class receiver(gr.hier_block2):
def __init__(self):
gr.hier_block2.__init__(self, "ofdm_tx",
gr.io_signature(1, 1, gr.sizeof_gr_complex),
gr.io_signature(1, 1, gr.sizeof_char))
symbol_settings = para.ofdm_symbol()
self.constellationP = helpers.get_constellation(settings.PAYLOAD_BPS)
self.constellationH = helpers.get_constellation(settings.HEADER_BPS)
detector = digital.ofdm_sync_sc_cfb(symbol_settings.get_fft_length(), symbol_settings.get_cp_length())
delayer = blocks.delay(gr.sizeof_gr_complex, symbol_settings.get_time_length_of_symbol)
oscillator = analog.frequency_modulator_fc(-2.0 / symbol_settings.get_fft_length())
splitter = digital.header_payload_demux(
3,
symbol_settings.get_fft_length(), symbol_settings.get_cp_length(),
settings.LENGTH_TAG_KEY,
"",
True
)
mixer = blocks.multiply_cc()
header_fft = fft.fft_vcc(symbol_settings.get_fft_length(),, True, (), True)
chanest = digital.ofdm_chanest_vcvc(symbol_settings._generate_sync_word_one(),symbol_settings._generate_sync_word_two(), 1)
header_equalizer = digital.ofdm_equalizer_simpledfe(
symbol_settings.get_fft_length(),,
self.constellationH.base(),
symbol_settings.get_carrier_tones(),
symbol_settings.get_pilot_tones(),
symbol_settings._generate_pilot_symbols(),
symbols_skipped=0,
)
self.connect(self,detector)
self.connect(self,delay, (mixer,0), (splitter,0))
self.connect((detector,0), oscillator, (mixer,1))
self.connect((detector,1),(splitter,1))
def __init__(self, ipp1="127.0.0.1", ipp2="127.0.0.1", ipp3="127.0.0.1", ipp4="127.0.0.1", iptx="127.0.0.1", samp_rate=10000):
gr.top_block.__init__(self, "OFDM Rx")
##################################################
# Parameters
##################################################
self.ipp1 = ipp1
self.ipp2 = ipp2
self.ipp3 = ipp3
self.ipp4 = ipp4
self.iptx = iptx
self.samp_rate = samp_rate
##################################################
# Variables
##################################################
self.pilot_symbols = pilot_symbols = ((1, 1, 1, -1,),)
self.pilot_carriers = pilot_carriers = ((-21, -7, 7, 21,),)
self.payload_mod = payload_mod = digital.constellation_qpsk()
self.packet_length_tag_key = packet_length_tag_key = "packet_len"
self.occupied_carriers = occupied_carriers = (range(-26, -21) + range(-20, -7) + range(-6, 0) + range(1, 7) + range(8, 21) + range(22, 27),)
self.length_tag_key = length_tag_key = "frame_len"
self.header_mod = header_mod = digital.constellation_bpsk()
self.fft_len = fft_len = 64
self.sync_word2 = sync_word2 = [0j, 0j, 0j, 0j, 0j, 0j, (-1+0j), (-1+0j), (-1+0j), (-1+0j), (1+0j), (1+0j), (-1+0j), (-1+0j), (-1+0j), (1+0j), (-1+0j), (1+0j), (1+0j), (1 +0j), (1+0j), (1+0j), (-1+0j), (-1+0j), (-1+0j), (-1+0j), (-1+0j), (1+0j), (-1+0j), (-1+0j), (1+0j), (-1+0j), 0j, (1+0j), (-1+0j), (1+0j), (1+0j), (1+0j), (-1+0j), (1+0j), (1+0j), (1+0j), (-1+0j), (1+0j), (1+0j), (1+0j), (1+0j), (-1+0j), (1+0j), (-1+0j), (-1+0j), (-1+0j), (1+0j), (-1+0j), (1+0j), (-1+0j), (-1+0j), (-1+0j), (-1+0j), 0j, 0j, 0j, 0j, 0j]
self.sync_word1 = sync_word1 = [0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 0., 0., 0., 0., 0.]
self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe(fft_len, payload_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols, 1)
self.packet_len = packet_len = 96
self.header_formatter = header_formatter = digital.packet_header_ofdm(occupied_carriers, n_syms=1, len_tag_key=packet_length_tag_key, frame_len_tag_key=length_tag_key, bits_per_header_sym=header_mod.bits_per_symbol(), bits_per_payload_sym=payload_mod.bits_per_symbol(), scramble_header=False)
self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe(fft_len, header_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols)
##################################################
# Blocks
##################################################
self.zeromq_push_sink_0_0_1_0 = zeromq.push_sink(gr.sizeof_gr_complex, 64, "tcp://"+ ipp2 + ":55521", 100, True)
self.zeromq_push_sink_0_0_1 = zeromq.push_sink(gr.sizeof_gr_complex, 64, "tcp://"+ ipp2 + ":55520", 100, True)
self.zeromq_pull_source_0_0_0 = zeromq.pull_source(gr.sizeof_char, 1, "tcp://"+ ipp1 + ":55511", 100, True)
self.zeromq_pull_source_0_0 = zeromq.pull_source(gr.sizeof_gr_complex, 1, "tcp://"+ ipp1 + ":55510", 100, True)
self.zeromq_pull_msg_source_0 = zeromq.pull_msg_source("tcp://"+ ipp3 + ":55530", 100)
self.digital_header_payload_demux_0 = digital.header_payload_demux(
3,
fft_len,
fft_len/4,
length_tag_key,
"",
True,
gr.sizeof_gr_complex,
"rx_time",
samp_rate,
(),
)
##################################################
# Connections
##################################################
self.msg_connect((self.zeromq_pull_msg_source_0, 'out'), (self.digital_header_payload_demux_0, 'header_data'))
self.connect((self.digital_header_payload_demux_0, 0), (self.zeromq_push_sink_0_0_1, 0))
self.connect((self.digital_header_payload_demux_0, 1), (self.zeromq_push_sink_0_0_1_0, 0))
self.connect((self.zeromq_pull_source_0_0, 0), (self.digital_header_payload_demux_0, 0))
self.connect((self.zeromq_pull_source_0_0_0, 0), (self.digital_header_payload_demux_0, 1))
def create_demux_input_blocks(self):
bw = (float(self.used_carriers) / float(self.fft_len)) / 2.0
tbw = bw * 0.08
filter_taps = firdes.low_pass(1.0, 1, bw + tbw, tbw,
firdes.WIN_HAMMING, 6.76)
self.fft_filter = filter.fft_filter_ccc(1, filter_taps, 1)
self.delay = blocks.delay(gr.sizeof_gr_complex,
self.fft_len + self.cp_len)
self.ofdm_sync = digital.ofdm_sync_sc_cfb(self.fft_len, self.cp_len,
False)
self.freq_modulator = analog.frequency_modulator_fc(-2.0 /
self.fft_len)
self.multiply = blocks.multiply_vcc(1)
header_len = 3 #In OFDM Symbols
self.header_payload_demux = digital.header_payload_demux(
header_len,
self.fft_len,
self.cp_len,
self.rx_length_tag_key,
"",
True,
gr.sizeof_gr_complex,
"rx_time",
self.samp_rate,
(),
0,
)
def test_001_t (self):
""" Simplest possible test: put in zeros, then header,
then payload, trigger signal, try to demux.
The return signal from the header parser is faked via _post()
Add in some tags for fun.
"""
n_zeros = 1
header = (1, 2, 3)
payload = tuple(range(5, 20))
data_signal = (0,) * n_zeros + header + payload
trigger_signal = [0,] * len(data_signal)
trigger_signal[n_zeros] = 1
# This is dropped:
testtag1 = make_tag('tag1', 0, 0)
# This goes on output 0, item 0:
testtag2 = make_tag('tag2', 23, n_zeros)
# This goes on output 0, item 2:
testtag3 = make_tag('tag3', 42, n_zeros + len(header) - 1)
# This goes on output 1, item 3:
testtag4 = make_tag('tag4', 314, n_zeros + len(header) + 3)
data_src = blocks.vector_source_f(
data_signal,
False,
tags=(testtag1, testtag2, testtag3, testtag4)
)
trigger_src = blocks.vector_source_b(trigger_signal, False)
hpd = digital.header_payload_demux(
len(header), 1, 0, "frame_len", "detect", False, gr.sizeof_float
)
mock_header_demod = HeaderToMessageBlock(
numpy.float32,
len(header),
[len(payload)]
)
self.assertEqual(pmt.length(hpd.message_ports_in()), 2) #extra system port defined for you
payload_sink = blocks.vector_sink_f()
header_sink = blocks.vector_sink_f()
self.connect_all_blocks(data_src, trigger_src, hpd, mock_header_demod, payload_sink, header_sink)
self.run_tb(payload_sink, len(payload), header_sink, len(header))
self.assertEqual(header_sink.data(), header)
self.assertEqual(payload_sink.data(), payload)
ptags_header = []
for tag in header_sink.tags():
ptag = gr.tag_to_python(tag)
ptags_header.append({'key': ptag.key, 'offset': ptag.offset})
expected_tags_header = [
{'key': 'tag2', 'offset': 0},
{'key': 'tag3', 'offset': 2},
]
self.assertEqual(expected_tags_header, ptags_header)
ptags_payload = []
for tag in payload_sink.tags():
ptag = gr.tag_to_python(tag)
ptags_payload.append({'key': ptag.key, 'offset': ptag.offset})
expected_tags_payload = [
{'key': 'frame_len', 'offset': 0},
{'key': 'tag4', 'offset': 3},
]
self.assertEqual(expected_tags_payload, ptags_payload)
def test_001_t (self):
""" Simplest possible test: put in zeros, then header,
then payload, trigger signal, try to demux.
The return signal from the header parser is faked via _post()
Add in some tags for fun.
"""
n_zeros = 1
header = (1, 2, 3)
payload = tuple(range(5, 20))
data_signal = (0,) * n_zeros + header + payload
trigger_signal = [0,] * len(data_signal)
trigger_signal[n_zeros] = 1
# This is dropped:
testtag1 = make_tag('tag1', 0, 0)
# This goes on output 0, item 0:
testtag2 = make_tag('tag2', 23, n_zeros)
# This goes on output 0, item 2:
testtag3 = make_tag('tag3', 42, n_zeros + len(header) - 1)
# This goes on output 1, item 3:
testtag4 = make_tag('tag4', 314, n_zeros + len(header) + 3)
data_src = blocks.vector_source_f(
data_signal,
False,
tags=(testtag1, testtag2, testtag3, testtag4)
)
trigger_src = blocks.vector_source_b(trigger_signal, False)
hpd = digital.header_payload_demux(
len(header), 1, 0, "frame_len", "detect", False, gr.sizeof_float
)
mock_header_demod = HeaderToMessageBlock(
numpy.float32,
len(header),
[len(payload)]
)
self.assertEqual(pmt.length(hpd.message_ports_in()), 2) #extra system port defined for you
payload_sink = blocks.vector_sink_f()
header_sink = blocks.vector_sink_f()
self.connect_all_blocks(data_src, trigger_src, hpd, mock_header_demod, payload_sink, header_sink)
self.run_tb(payload_sink, len(payload), header_sink, len(header))
self.assertEqual(header_sink.data(), header)
self.assertEqual(payload_sink.data(), payload)
ptags_header = []
for tag in header_sink.tags():
ptag = gr.tag_to_python(tag)
ptags_header.append({'key': ptag.key, 'offset': ptag.offset})
expected_tags_header = [
{'key': 'tag2', 'offset': 0},
{'key': 'tag3', 'offset': 2},
]
self.assertEqual(expected_tags_header, ptags_header)
ptags_payload = []
for tag in payload_sink.tags():
ptag = gr.tag_to_python(tag)
ptags_payload.append({'key': ptag.key, 'offset': ptag.offset})
expected_tags_payload = [
{'key': 'frame_len', 'offset': 0},
{'key': 'tag4', 'offset': 3},
]
self.assertEqual(expected_tags_payload, ptags_payload)
def test_001_t_tags (self):
""" Like the previous test, but use a trigger tag instead of
a trigger signal.
"""
n_zeros = 1
header = (1, 2, 3)
payload = tuple(range(5, 20))
data_signal = (0,) * n_zeros + header + payload
# Trigger tag
trigger_tag = make_tag('detect', True, n_zeros)
# This is dropped:
testtag1 = make_tag('tag1', 0, 0)
# This goes on output 0, item 0:
testtag2 = make_tag('tag2', 23, n_zeros)
# This goes on output 0, item 2:
testtag3 = make_tag('tag3', 42, n_zeros + len(header) - 1)
# This goes on output 1, item 3:
testtag4 = make_tag('tag4', 314, n_zeros + len(header) + 3)
data_src = blocks.vector_source_f(
data_signal,
False,
tags=(trigger_tag, testtag1, testtag2, testtag3, testtag4)
)
hpd = digital.header_payload_demux(
len(header), 1, 0, "frame_len", "detect", False, gr.sizeof_float
)
self.assertEqual(pmt.length(hpd.message_ports_in()), 2) #extra system port defined for you
header_sink = blocks.vector_sink_f()
payload_sink = blocks.vector_sink_f()
mock_header_demod = HeaderToMessageBlock(
numpy.float32,
len(header),
[len(payload)]
)
self.connect_all_blocks(data_src, None, hpd, mock_header_demod, payload_sink, header_sink)
self.run_tb(payload_sink, len(payload), header_sink, len(header))
# Check results
self.assertEqual(header_sink.data(), header)
self.assertEqual(payload_sink.data(), payload)
ptags_header = []
for tag in header_sink.tags():
ptag = gr.tag_to_python(tag)
ptags_header.append({'key': ptag.key, 'offset': ptag.offset})
expected_tags_header = [
{'key': 'tag2', 'offset': 0},
{'key': 'tag3', 'offset': 2},
]
self.assertEqual(expected_tags_header, ptags_header)
ptags_payload = []
for tag in payload_sink.tags():
ptag = gr.tag_to_python(tag)
ptags_payload.append({'key': ptag.key, 'offset': ptag.offset})
expected_tags_payload = [
{'key': 'frame_len', 'offset': 0},
{'key': 'tag4', 'offset': 3},
]
self.assertEqual(expected_tags_payload, ptags_payload)
def test_001_t_tags(self):
""" Like the previous test, but use a trigger tag instead of
a trigger signal.
"""
n_zeros = 1
header = (1, 2, 3)
payload = tuple(range(5, 20))
data_signal = (0,) * n_zeros + header + payload
# Trigger tag
trigger_tag = make_tag('detect', True, n_zeros)
# This is dropped:
testtag1 = make_tag('tag1', 0, 0)
# This goes on output 0, item 0:
testtag2 = make_tag('tag2', 23, n_zeros)
# This goes on output 0, item 2:
testtag3 = make_tag('tag3', 42, n_zeros + len(header) - 1)
# This goes on output 1, item 3:
testtag4 = make_tag('tag4', 314, n_zeros + len(header) + 3)
data_src = blocks.vector_source_f(
data_signal,
False,
tags=(trigger_tag, testtag1, testtag2, testtag3, testtag4)
)
hpd = digital.header_payload_demux(
len(header), 1, 0, "frame_len", "detect", False, gr.sizeof_float
)
self.assertEqual(pmt.length(hpd.message_ports_in()), 2) #extra system port defined for you
header_sink = blocks.vector_sink_f()
payload_sink = blocks.vector_sink_f()
mock_header_demod = HeaderToMessageBlock(
numpy.float32,
len(header),
[len(payload)]
)
self.connect_all_blocks(data_src, None, hpd, mock_header_demod, payload_sink, header_sink)
self.run_tb(payload_sink, len(payload), header_sink, len(header))
# Check results
self.assertEqual(header_sink.data(), header)
self.assertEqual(payload_sink.data(), payload)
ptags_header = []
for tag in header_sink.tags():
ptag = gr.tag_to_python(tag)
ptags_header.append({'key': ptag.key, 'offset': ptag.offset})
expected_tags_header = [
{'key': 'tag2', 'offset': 0},
{'key': 'tag3', 'offset': 2},
]
self.assertEqual(expected_tags_header, ptags_header)
ptags_payload = []
for tag in payload_sink.tags():
ptag = gr.tag_to_python(tag)
ptags_payload.append({'key': ptag.key, 'offset': ptag.offset})
expected_tags_payload = [
{'key': 'frame_len', 'offset': 0},
{'key': 'tag4', 'offset': 3},
]
self.assertEqual(expected_tags_payload, ptags_payload)
def test_003_t (self):
"""
Like test 1, but twice, plus one fail
"""
n_zeros = 5
header = (1, 2, 3)
header_fail = (-1, -2, -4) # Contents don't really matter
payload1 = tuple(range(5, 20))
payload2 = (42,)
data_signal = (0,) * n_zeros + header + payload1
trigger_signal = [0,] * len(data_signal) * 2
trigger_signal[n_zeros] = 1
trigger_signal[len(data_signal)] = 1
trigger_signal[len(data_signal)+len(header_fail)+n_zeros] = 1
tx_signal = data_signal + header_fail + (0,) * n_zeros + header + payload2 + (0,) * 1000
data_src = blocks.vector_source_f(tx_signal, False)
trigger_src = blocks.vector_source_b(trigger_signal, False)
hpd = digital.header_payload_demux(
len(header), 1, 0, "frame_len", "detect", False, gr.sizeof_float
)
self.assertEqual(pmt.length(hpd.message_ports_in()), 1)
header_sink = blocks.vector_sink_f()
payload_sink = blocks.vector_sink_f()
self.tb.connect(data_src, (hpd, 0))
self.tb.connect(trigger_src, (hpd, 1))
self.tb.connect((hpd, 0), header_sink)
self.tb.connect((hpd, 1), payload_sink)
self.tb.start()
time.sleep(.2) # Need this, otherwise, the next message is ignored
hpd.to_basic_block()._post(
pmt.intern('header_data'),
pmt.from_long(len(payload1))
)
while len(payload_sink.data()) < len(payload1):
time.sleep(.2)
hpd.to_basic_block()._post(
pmt.intern('header_data'),
pmt.PMT_F
)
# This next command is a bit of a showstopper, but there's no condition to check upon
# to see if the previous msg handling is finished
time.sleep(.7)
hpd.to_basic_block()._post(
pmt.intern('header_data'),
pmt.from_long(len(payload2))
)
while len(payload_sink.data()) < len(payload1) + len(payload2):
time.sleep(.2)
self.tb.stop()
self.tb.wait()
self.assertEqual(header_sink.data(), header + header_fail + header)
self.assertEqual(payload_sink.data(), payload1 + payload2)
def __init__(self, payload_len=96, sync_seq=[complex(1,0),complex(-1,0)], threshold=.8):
gr.hier_block2.__init__(self,
"generic_rx_path",
gr.io_signature(1, 1, gr.sizeof_gr_complex*1),
gr.io_signaturev(3, 3, [gr.sizeof_gr_complex*1, gr.sizeof_gr_complex*1, gr.sizeof_float*1]),
)
##################################################
# Parameters
##################################################
self.threshold = threshold
self.sync_seq = sync_seq
self.sync_header_len = len(sync_seq)
self.items_per_header_symbol = 1
self.payload_len = payload_len
##################################################
# Variables
##################################################
self.tag_len_name = tag_len_name = "packet_len"
##################################################
# Blocks
##################################################
self.frame_sync_0 = dctk.frame_sync (self.sync_seq, self.threshold)
self.digital_header_payload_demux_0 = digital.header_payload_demux(self.sync_header_len, self.items_per_header_symbol, 0, tag_len_name, "", False, gr.sizeof_gr_complex)
self.dctk_header_tag_generator_0 = dctk.header_tag_generator(self.sync_header_len, payload_len, tag_len_name)
self.blocks_float_to_char_0 = blocks.float_to_char(1, 1)
self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex*1, self.sync_header_len)
self.blocks_complex_to_float_0 = blocks.complex_to_float(1)
##################################################
# Connections
##################################################
self.connect((self, 0), (self.blocks_delay_0, 0))
self.connect((self, 0), (self.frame_sync_0, 0))
self.connect((self.blocks_delay_0, 0), (self.digital_header_payload_demux_0, 0))
self.connect((self.frame_sync_0, 1), (self.digital_header_payload_demux_0, 1))
self.connect((self.digital_header_payload_demux_0, 0), (self.blocks_complex_to_float_0, 0))
self.connect((self.blocks_complex_to_float_0, 0), (self.blocks_float_to_char_0, 0))
self.connect((self.blocks_float_to_char_0, 0), (self.dctk_header_tag_generator_0, 0))
self.connect((self.frame_sync_0, 0), (self, 2))
self.connect((self.digital_header_payload_demux_0, 1), (self, 1))
self.connect((self.digital_header_payload_demux_0, 0), (self, 0))
##################################################
# Asynch Message Connections
##################################################
self.msg_connect(self.dctk_header_tag_generator_0, "header_data", self.digital_header_payload_demux_0, "header_data")
def test_001_t (self):
""" Simplest possible test: put in zeros, then header,
then payload, trigger signal, try to demux.
The return signal from the header parser is faked via _post()
"""
n_zeros = 100
header = (1, 2, 3)
payload = tuple(range(17))
data_signal = (0,) * n_zeros + header + payload
trigger_signal = [0,] * len(data_signal)
trigger_signal[n_zeros] = 1
data_src = blocks.vector_source_f(data_signal, False)
trigger_src = blocks.vector_source_b(trigger_signal, False)
hpd = digital.header_payload_demux(
len(header), 1, 0, "frame_len", "detect", False, gr.sizeof_float
)
self.assertEqual(pmt.length(hpd.message_ports_in()), 1)
header_sink = blocks.vector_sink_f()
payload_sink = blocks.vector_sink_f()
self.tb.connect(data_src, (hpd, 0))
self.tb.connect(trigger_src, (hpd, 1))
self.tb.connect((hpd, 0), header_sink)
self.tb.connect((hpd, 1), payload_sink)
self.tb.start()
time.sleep(.2) # Need this, otherwise, the next message is ignored
hpd.to_basic_block()._post(
pmt.intern('header_data'),
pmt.from_long(len(payload))
)
while len(payload_sink.data()) < len(payload):
time.sleep(.2)
self.tb.stop()
self.tb.wait()
self.assertEqual(header_sink.data(), header)
self.assertEqual(payload_sink.data(), payload)
def test_001_t(self):
""" Simplest possible test: put in zeros, then header,
then payload, trigger signal, try to demux.
The return signal from the header parser is faked via _post()
"""
n_zeros = 100
header = (1, 2, 3)
payload = tuple(range(17))
data_signal = (0, ) * n_zeros + header + payload
trigger_signal = [
0,
] * len(data_signal)
trigger_signal[n_zeros] = 1
data_src = blocks.vector_source_f(data_signal, False)
trigger_src = blocks.vector_source_b(trigger_signal, False)
hpd = digital.header_payload_demux(len(header), 1, 0, "frame_len",
"detect", False, gr.sizeof_float)
self.assertEqual(pmt.length(hpd.message_ports_in()), 1)
header_sink = blocks.vector_sink_f()
payload_sink = blocks.vector_sink_f()
self.tb.connect(data_src, (hpd, 0))
self.tb.connect(trigger_src, (hpd, 1))
self.tb.connect((hpd, 0), header_sink)
self.tb.connect((hpd, 1), payload_sink)
self.tb.start()
time.sleep(.2) # Need this, otherwise, the next message is ignored
hpd.to_basic_block()._post(pmt.intern('header_data'),
pmt.from_long(len(payload)))
while len(payload_sink.data()) < len(payload):
time.sleep(.2)
self.tb.stop()
self.tb.wait()
self.assertEqual(header_sink.data(), header)
self.assertEqual(payload_sink.data(), payload)
def __init__(self,
pilot_symbols=((
1,
1,
1,
-1,
), ),
header_mod=digital.constellation_bpsk(),
payload_mod=digital.constellation_qpsk(),
sync_word2=[
0, 0, 0, 0, 0, 0, -1, -1, -1, -1, 1, 1, -1, -1, -1, 1, -1,
1, 1, 1, 1, 1, -1, -1, -1, -1, -1, 1, -1, -1, 1, -1, 0, 1,
-1, 1, 1, 1, -1, 1, 1, 1, -1, 1, 1, 1, 1, -1, 1, -1, -1,
-1, 1, -1, 1, -1, -1, -1, -1, 0, 0, 0, 0, 0
],
sync_word1=[
0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356,
0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., -1.41421356, 0.,
1.41421356, 0., -1.41421356, 0., -1.41421356, 0.,
-1.41421356, 0., -1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
1.41421356, 0., -1.41421356, 0., 1.41421356, 0.,
1.41421356, 0., 1.41421356, 0., -1.41421356, 0.,
1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 0., 0.,
0., 0., 0.
],
fft_len=64,
packet_len=1,
occupied_carriers=(range(-26, -21) + range(-20, -7) +
range(-6, 0) + range(1, 7) + range(8, 21) +
range(22, 27), ),
pilot_carriers=((
-21,
-7,
7,
21,
), ),
samp_rate=500000):
gr.hier_block2.__init__(
self,
"IA RX Phase 1",
gr.io_signature(1, 1, gr.sizeof_gr_complex * 1),
gr.io_signaturev(3, 3, [
gr.sizeof_gr_complex * fft_len, gr.sizeof_gr_complex * fft_len,
gr.sizeof_char * 1
]),
)
##################################################
# Parameters
##################################################
self.pilot_symbols = pilot_symbols
self.header_mod = header_mod
self.payload_mod = payload_mod
self.sync_word2 = sync_word2
self.sync_word1 = sync_word1
self.fft_len = fft_len
self.packet_len = packet_len
self.occupied_carriers = occupied_carriers
self.pilot_carriers = pilot_carriers
self.samp_rate = samp_rate
##################################################
# Variables
##################################################
self.packet_length_tag_key = packet_length_tag_key = "packet_len"
self.length_tag_key = length_tag_key = "frame_len"
self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe(
fft_len, payload_mod.base(), occupied_carriers, pilot_carriers,
pilot_symbols, 0, 1)
self.header_formatter = header_formatter = digital.packet_header_ofdm(
occupied_carriers,
n_syms=1,
len_tag_key=packet_length_tag_key,
frame_len_tag_key=length_tag_key,
bits_per_header_sym=header_mod.bits_per_symbol(),
bits_per_payload_sym=payload_mod.bits_per_symbol(),
scramble_header=False)
self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe(
fft_len, header_mod.base(), occupied_carriers, pilot_carriers,
pilot_symbols, 0, 1)
##################################################
# Blocks
##################################################
self.projectGT_ofdm_chanest1_vcvc_0 = projectGT.ofdm_chanest1_vcvc(
(sync_word1, sync_word2, sync_word2, sync_word2, sync_word2,
sync_word2), 1, fft_len, 0, 3, False)
self.projectGT_crc32_1_bb_0 = projectGT.crc32_1_bb(True, "packet_len")
self.projectGT_chnl_id_bvc_0 = projectGT.chnl_id_bvc(
fft_len, "packet_len")
self.fft_vxx_1 = fft.fft_vcc(fft_len, True, (), True, 1)
self.fft_vxx_0 = fft.fft_vcc(fft_len, True, (()), True, 1)
self.digital_packet_headerparser_b_0 = digital.packet_headerparser_b(
header_formatter.base())
self.digital_ofdm_sync_sc_cfb_0 = digital.ofdm_sync_sc_cfb(
fft_len, fft_len / 4, False)
self.digital_ofdm_serializer_vcc_payload = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key, packet_length_tag_key,
1, "", True)
self.digital_ofdm_serializer_vcc_header = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key, "", 0, "", True)
self.digital_ofdm_frame_equalizer_vcvc_1 = digital.ofdm_frame_equalizer_vcvc(
payload_equalizer.base(), fft_len / 4, length_tag_key, True, 0)
self.digital_ofdm_frame_equalizer_vcvc_0 = digital.ofdm_frame_equalizer_vcvc(
header_equalizer.base(), fft_len / 4, length_tag_key, True, 1)
self.digital_header_payload_demux_0 = digital.header_payload_demux(
7,
fft_len,
fft_len / 4,
length_tag_key,
"",
True,
gr.sizeof_gr_complex,
"rx_time",
samp_rate,
(),
)
self.digital_constellation_decoder_cb_1 = digital.constellation_decoder_cb(
payload_mod.base())
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(
header_mod.base())
self.blocks_tag_debug_0 = blocks.tag_debug(gr.sizeof_char * 1, "RX",
"")
self.blocks_tag_debug_0.set_display(False)
self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(
payload_mod.bits_per_symbol(), 8, packet_length_tag_key, True)
self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_gr_complex *
fft_len)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex * 1,
fft_len + fft_len / 4)
self.analog_frequency_modulator_fc_0 = analog.frequency_modulator_fc(
-2.0 / fft_len)
##################################################
# Connections
##################################################
self.msg_connect(self.digital_packet_headerparser_b_0, "header_data",
self.digital_header_payload_demux_0, "header_data")
self.connect((self.analog_frequency_modulator_fc_0, 0),
(self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_delay_0, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_multiply_xx_0, 0),
(self.digital_header_payload_demux_0, 0))
self.connect((self.blocks_repack_bits_bb_0, 0),
(self.blocks_tag_debug_0, 0))
self.connect((self.blocks_repack_bits_bb_0, 0),
(self.projectGT_chnl_id_bvc_0, 0))
self.connect((self.blocks_repack_bits_bb_0, 0),
(self.projectGT_crc32_1_bb_0, 0))
self.connect((self.digital_constellation_decoder_cb_0, 0),
(self.digital_packet_headerparser_b_0, 0))
self.connect((self.digital_constellation_decoder_cb_1, 0),
(self.blocks_repack_bits_bb_0, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_0, 0),
(self.digital_ofdm_serializer_vcc_header, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_1, 0),
(self.digital_ofdm_serializer_vcc_payload, 0))
self.connect((self.digital_ofdm_serializer_vcc_header, 0),
(self.digital_constellation_decoder_cb_0, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 0),
(self.analog_frequency_modulator_fc_0, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 1),
(self.digital_header_payload_demux_0, 1))
self.connect((self.fft_vxx_0, 0),
(self.projectGT_ofdm_chanest1_vcvc_0, 0))
self.connect((self.fft_vxx_1, 0),
(self.digital_ofdm_frame_equalizer_vcvc_1, 0))
self.connect((self, 0), (self.blocks_delay_0, 0))
self.connect((self, 0), (self.digital_ofdm_sync_sc_cfb_0, 0))
self.connect((self.projectGT_chnl_id_bvc_0, 1), (self, 0))
self.connect((self.projectGT_chnl_id_bvc_0, 0), (self, 1))
self.connect((self.projectGT_crc32_1_bb_0, 0), (self, 2))
self.connect((self.projectGT_ofdm_chanest1_vcvc_0, 1),
(self.blocks_null_sink_0, 0))
self.connect((self.projectGT_ofdm_chanest1_vcvc_0, 0),
(self.digital_ofdm_frame_equalizer_vcvc_0, 0))
self.connect((self.digital_header_payload_demux_0, 0),
(self.fft_vxx_0, 0))
self.connect((self.digital_ofdm_serializer_vcc_payload, 0),
(self.digital_constellation_decoder_cb_1, 0))
self.connect((self.digital_header_payload_demux_0, 1),
(self.fft_vxx_1, 0))
def __init__(
self, ipp1="127.0.0.1", ipp2="127.0.0.1", ipp3="127.0.0.1", ipp4="127.0.0.1", iptx="127.0.0.1", samp_rate=1000
):
gr.top_block.__init__(self, "OFDM Rx")
##################################################
# Parameters
##################################################
self.ipp1 = ipp1
self.ipp2 = ipp2
self.ipp3 = ipp3
self.ipp4 = ipp4
self.iptx = iptx
self.samp_rate = samp_rate
##################################################
# Variables
##################################################
self.pilot_symbols = pilot_symbols = ((1, 1, 1, -1),)
self.pilot_carriers = pilot_carriers = ((-21, -7, 7, 21),)
self.payload_mod = payload_mod = digital.constellation_qpsk()
self.packet_length_tag_key = packet_length_tag_key = "packet_len"
self.occupied_carriers = occupied_carriers = (
range(-26, -21) + range(-20, -7) + range(-6, 0) + range(1, 7) + range(8, 21) + range(22, 27),
)
self.length_tag_key = length_tag_key = "frame_len"
self.header_mod = header_mod = digital.constellation_bpsk()
self.fft_len = fft_len = 64
self.sync_word2 = sync_word2 = [
0j,
0j,
0j,
0j,
0j,
0j,
(-1 + 0j),
(-1 + 0j),
(-1 + 0j),
(-1 + 0j),
(1 + 0j),
(1 + 0j),
(-1 + 0j),
(-1 + 0j),
(-1 + 0j),
(1 + 0j),
(-1 + 0j),
(1 + 0j),
(1 + 0j),
(1 + 0j),
(1 + 0j),
(1 + 0j),
(-1 + 0j),
(-1 + 0j),
(-1 + 0j),
(-1 + 0j),
(-1 + 0j),
(1 + 0j),
(-1 + 0j),
(-1 + 0j),
(1 + 0j),
(-1 + 0j),
0j,
(1 + 0j),
(-1 + 0j),
(1 + 0j),
(1 + 0j),
(1 + 0j),
(-1 + 0j),
(1 + 0j),
(1 + 0j),
(1 + 0j),
(-1 + 0j),
(1 + 0j),
(1 + 0j),
(1 + 0j),
(1 + 0j),
(-1 + 0j),
(1 + 0j),
(-1 + 0j),
(-1 + 0j),
(-1 + 0j),
(1 + 0j),
(-1 + 0j),
(1 + 0j),
(-1 + 0j),
(-1 + 0j),
(-1 + 0j),
(-1 + 0j),
0j,
0j,
0j,
0j,
0j,
]
self.sync_word1 = sync_word1 = [
0.0,
0.0,
0.0,
0.0,
0.0,
0.0,
0.0,
1.41421356,
0.0,
-1.41421356,
0.0,
1.41421356,
0.0,
-1.41421356,
0.0,
-1.41421356,
0.0,
-1.41421356,
0.0,
1.41421356,
0.0,
-1.41421356,
0.0,
1.41421356,
0.0,
-1.41421356,
0.0,
-1.41421356,
0.0,
-1.41421356,
0.0,
-1.41421356,
0.0,
1.41421356,
0.0,
-1.41421356,
0.0,
1.41421356,
0.0,
1.41421356,
0.0,
1.41421356,
0.0,
-1.41421356,
0.0,
1.41421356,
0.0,
1.41421356,
0.0,
1.41421356,
0.0,
-1.41421356,
0.0,
1.41421356,
0.0,
1.41421356,
0.0,
1.41421356,
0.0,
0.0,
0.0,
0.0,
0.0,
0.0,
]
self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe(
fft_len, payload_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols, 1
)
self.packet_len = packet_len = 96
self.header_formatter = header_formatter = digital.packet_header_ofdm(
occupied_carriers,
n_syms=1,
len_tag_key=packet_length_tag_key,
frame_len_tag_key=length_tag_key,
bits_per_header_sym=header_mod.bits_per_symbol(),
bits_per_payload_sym=payload_mod.bits_per_symbol(),
scramble_header=False,
)
self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe(
fft_len, header_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols
)
##################################################
# Blocks
##################################################
self.zeromq_push_sink_0_0_1_0_0 = zeromq.push_sink(gr.sizeof_char, 1, "tcp://" + ipp3 + ":55530", 100, True)
self.zeromq_push_sink_0_0_1_0 = zeromq.push_sink(
gr.sizeof_gr_complex, 64, "tcp://" + ipp2 + ":55521", 100, True
)
self.zeromq_push_sink_0_0_1 = zeromq.push_sink(gr.sizeof_gr_complex, 64, "tcp://" + ipp2 + ":55520", 100, True)
self.zeromq_push_sink_0_0_0 = zeromq.push_sink(gr.sizeof_char, 1, "tcp://" + ipp1 + ":55511", 100, True)
self.zeromq_push_sink_0_0 = zeromq.push_sink(gr.sizeof_gr_complex, 1, "tcp://" + ipp1 + ":55510", 100, True)
self.zeromq_push_sink_0 = zeromq.push_sink(gr.sizeof_gr_complex, 1, "tcp://" + iptx + ":55500", 100, True)
self.zeromq_pull_source_0_0_0_0_0_0 = zeromq.pull_source(
gr.sizeof_gr_complex, 64, "tcp://" + ipp2 + ":55521", 100, True
)
self.zeromq_pull_source_0_0_0_0_0 = zeromq.pull_source(
gr.sizeof_gr_complex, 64, "tcp://" + ipp2 + ":55520", 100, True
)
self.zeromq_pull_source_0_0_0_0 = zeromq.pull_source(gr.sizeof_char, 1, "tcp://" + ipp3 + ":55530", 100, True)
self.zeromq_pull_source_0_0_0 = zeromq.pull_source(gr.sizeof_char, 1, "tcp://" + ipp1 + ":55511", 100, True)
self.zeromq_pull_source_0_0 = zeromq.pull_source(gr.sizeof_gr_complex, 1, "tcp://" + ipp1 + ":55510", 100, True)
self.zeromq_pull_source_0 = zeromq.pull_source(gr.sizeof_gr_complex, 1, "tcp://" + iptx + ":55500", 100, True)
self.my_random_source_limit_rate_0 = my.random_source_limit_rate(1000)
self.my_number_sync_timestamp_0 = my.number_sync_timestamp()
self.fft_vxx_1 = fft.fft_vcc(fft_len, True, (), True, 1)
self.fft_vxx_0 = fft.fft_vcc(fft_len, True, (()), True, 1)
self.digital_packet_headerparser_b_0 = digital.packet_headerparser_b(header_formatter.base())
self.digital_ofdm_tx_0 = digital.ofdm_tx(
fft_len=fft_len,
cp_len=fft_len / 4,
packet_length_tag_key=packet_length_tag_key,
occupied_carriers=occupied_carriers,
pilot_carriers=pilot_carriers,
pilot_symbols=pilot_symbols,
sync_word1=sync_word1,
sync_word2=sync_word2,
bps_header=1,
bps_payload=2,
rolloff=0,
debug_log=True,
scramble_bits=False,
)
self.digital_ofdm_sync_sc_cfb_0 = digital.ofdm_sync_sc_cfb(fft_len, fft_len / 4, False)
self.digital_ofdm_serializer_vcc_payload = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key, packet_length_tag_key, 1, "", True
)
self.digital_ofdm_serializer_vcc_header = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key, "", 0, "", True
)
self.digital_ofdm_frame_equalizer_vcvc_1 = digital.ofdm_frame_equalizer_vcvc(
payload_equalizer.base(), fft_len / 4, length_tag_key, True, 0
)
self.digital_ofdm_frame_equalizer_vcvc_0 = digital.ofdm_frame_equalizer_vcvc(
header_equalizer.base(), fft_len / 4, length_tag_key, True, 1
)
self.digital_ofdm_chanest_vcvc_0 = digital.ofdm_chanest_vcvc((sync_word1), (sync_word2), 1, 0, 3, False)
self.digital_header_payload_demux_0 = digital.header_payload_demux(
3, fft_len, fft_len / 4, length_tag_key, "", True, gr.sizeof_gr_complex, "rx_time", samp_rate, ()
)
self.digital_crc32_bb_0 = digital.crc32_bb(True, packet_length_tag_key, True)
self.digital_constellation_decoder_cb_1 = digital.constellation_decoder_cb(payload_mod.base())
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(header_mod.base())
self.channels_channel_model_0 = channels.channel_model(
noise_voltage=0.1,
frequency_offset=0 * 1.0 / fft_len,
epsilon=1.0,
taps=(1.0,),
noise_seed=0,
block_tags=True,
)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1, samp_rate, True)
self.blocks_tag_debug_1 = blocks.tag_debug(gr.sizeof_char * 1, "Rx Bytes", "")
self.blocks_tag_debug_1.set_display(True)
self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(
gr.sizeof_char, 1, packet_len, packet_length_tag_key
)
self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(
payload_mod.bits_per_symbol(), 8, packet_length_tag_key, True, gr.GR_LSB_FIRST
)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex * 1, fft_len + fft_len / 4)
self.analog_frequency_modulator_fc_0 = analog.frequency_modulator_fc(-2.0 / fft_len)
##################################################
# Connections
##################################################
self.msg_connect(
(self.digital_packet_headerparser_b_0, "header_data"), (self.digital_header_payload_demux_0, "header_data")
)
self.connect((self.analog_frequency_modulator_fc_0, 0), (self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_delay_0, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_multiply_xx_0, 0), (self.zeromq_push_sink_0_0, 0))
self.connect((self.blocks_repack_bits_bb_0, 0), (self.digital_crc32_bb_0, 0))
self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.digital_ofdm_tx_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.zeromq_push_sink_0, 0))
self.connect((self.channels_channel_model_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.digital_constellation_decoder_cb_0, 0), (self.zeromq_push_sink_0_0_1_0_0, 0))
self.connect((self.digital_constellation_decoder_cb_1, 0), (self.blocks_repack_bits_bb_0, 0))
self.connect((self.digital_crc32_bb_0, 0), (self.blocks_tag_debug_1, 0))
self.connect((self.digital_crc32_bb_0, 0), (self.my_number_sync_timestamp_0, 0))
self.connect((self.digital_header_payload_demux_0, 0), (self.zeromq_push_sink_0_0_1, 0))
self.connect((self.digital_header_payload_demux_0, 1), (self.zeromq_push_sink_0_0_1_0, 0))
self.connect((self.digital_ofdm_chanest_vcvc_0, 0), (self.digital_ofdm_frame_equalizer_vcvc_0, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_0, 0), (self.digital_ofdm_serializer_vcc_header, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_1, 0), (self.digital_ofdm_serializer_vcc_payload, 0))
self.connect((self.digital_ofdm_serializer_vcc_header, 0), (self.digital_constellation_decoder_cb_0, 0))
self.connect((self.digital_ofdm_serializer_vcc_payload, 0), (self.digital_constellation_decoder_cb_1, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 0), (self.analog_frequency_modulator_fc_0, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 1), (self.zeromq_push_sink_0_0_0, 0))
self.connect((self.digital_ofdm_tx_0, 0), (self.channels_channel_model_0, 0))
self.connect((self.fft_vxx_0, 0), (self.digital_ofdm_chanest_vcvc_0, 0))
self.connect((self.fft_vxx_1, 0), (self.digital_ofdm_frame_equalizer_vcvc_1, 0))
self.connect((self.my_random_source_limit_rate_0, 0), (self.blocks_stream_to_tagged_stream_0, 0))
self.connect((self.zeromq_pull_source_0, 0), (self.blocks_delay_0, 0))
self.connect((self.zeromq_pull_source_0, 0), (self.digital_ofdm_sync_sc_cfb_0, 0))
self.connect((self.zeromq_pull_source_0_0, 0), (self.digital_header_payload_demux_0, 0))
self.connect((self.zeromq_pull_source_0_0_0, 0), (self.digital_header_payload_demux_0, 1))
self.connect((self.zeromq_pull_source_0_0_0_0, 0), (self.digital_packet_headerparser_b_0, 0))
self.connect((self.zeromq_pull_source_0_0_0_0_0, 0), (self.fft_vxx_0, 0))
self.connect((self.zeromq_pull_source_0_0_0_0_0_0, 0), (self.fft_vxx_1, 0))
def __init__(self,len_tag_key, samp_rate, enable_crc):
gr.hier_block2.__init__(self,
"frame_decoder",
gr.io_signature(1, 1, gr.sizeof_char), # Input signature
gr.io_signature(1, 1, gr.sizeof_char)) # Output signature
self.len_tag_key = len_tag_key
self.samp_rate = samp_rate
# Set correlator. FIXME Modifiable access code
self.digital_correlate_access_code_tag_bb_0 \
= digital.correlate_access_code_tag_bb(
"1010110011011101101001001110001011110010100011000010000011111100",
0, "access")
self.digital_header_payload_demux_0 = digital.header_payload_demux(
32, # header size
1, # bits per symbol
0, # guard interval
len_tag_key, # length tag key
"access", # trigger tag key
False, # no idea
gr.sizeof_char, # item format
"rx_time", # timing tag key (irrelevant)
samp_rate, # sample rate
(""), # special tag keys
)
self.digital_packet_headerparser_b_default_0 \
= digital.packet_headerparser_b(32, len_tag_key)
self.blocks_repack_bits_bb_0 \
= blocks.repack_bits_bb(1, 8, len_tag_key,
False, gr.GR_MSB_FIRST)
if enable_crc:
self.digital_crc32_bb_0 \
= digital.crc32_bb(True, len_tag_key, True)
# Debug
self.tag_debug_correlator = blocks.tag_debug(gr.sizeof_char*1,
"Access code found.", "access");
#self.tag_debug_header = blocks.tag_debug(gr.sizeof_char*1,
# "Header correctly obtained", len_tag_key);
self.tag_debug_packet = blocks.tag_debug(gr.sizeof_char*1,
"Packet correctly obtained.", len_tag_key);
# Debug Message after the header was found
#self.blocks_message_debug_0 = blocks.message_debug()
#self.blocks_tagged_stream_to_pdu_0 \
# = blocks.tagged_stream_to_pdu(blocks.byte_t, len_tag_key)
# PDU Tag Multiplier
self.multiplay_length = orcatun.multiply_length_pdu(len_tag_key)
##################################################
# Connections
##################################################
# Correlator to Header/Payload Demux
# Correlator triggers the HPD with stream tags
self.connect((self.digital_correlate_access_code_tag_bb_0, 0),
(self.digital_header_payload_demux_0, 0))
self.connect((self.digital_correlate_access_code_tag_bb_0, 0),
(self.tag_debug_correlator,0))
# HPD to Header Parser
# Extracts the information from the header...
self.connect((self.digital_header_payload_demux_0, 0),
(self.digital_packet_headerparser_b_default_0, 0))
# ... and pass it back to the HPD
#self.msg_connect((self.digital_packet_headerparser_b_default_0,
# 'header_data'),
# (self.digital_header_payload_demux_0,
# 'header_data'))
self.msg_connect((self.digital_packet_headerparser_b_default_0,
'header_data'),
(self.multiplay_length, 'in'))
self.msg_connect((self.multiplay_length, 'out'),
(self.digital_header_payload_demux_0,
'header_data'))
# HPD payload to Repacker
self.connect((self.digital_header_payload_demux_0, 1),
(self.blocks_repack_bits_bb_0, 0))
# Repacker to Stream CRC32
# to check the CRC
if enable_crc:
self.connect((self.blocks_repack_bits_bb_0, 0),
(self.digital_crc32_bb_0, 0))
# Connect input and output
self.connect((self,0), (self.digital_correlate_access_code_tag_bb_0, 0))
if enable_crc:
self.connect((self.digital_crc32_bb_0, 0), (self,0))
else:
self.connect((self.blocks_repack_bits_bb_0, 0), (self,0))
# Debug
if enable_crc:
self.connect((self.digital_crc32_bb_0, 0), (self.tag_debug_packet, 0))
def __init__(self,
input_port_num="55555",
output_port_num="55556",
rx_bw=1e6,
rx_freq=2.2e9,
rx_gain=0.8,
serial_num="31C9237",
tx_bw=1e6,
tx_freq=2.2e9,
tx_gain=0.8):
gr.top_block.__init__(self, "tranceiver_ofdm_usrp_RS")
##################################################
# Parameters
##################################################
self.input_port_num = input_port_num
self.output_port_num = output_port_num
self.rx_bw = rx_bw
self.rx_freq = rx_freq
self.rx_gain = rx_gain
self.serial_num = serial_num
self.tx_bw = tx_bw
self.tx_freq = tx_freq
self.tx_gain = tx_gain
##################################################
# Variables
##################################################
self.packet_len = packet_len = 200
self.pilot_symbols = pilot_symbols = ((
1,
1,
1,
-1,
), )
self.pilot_carriers = pilot_carriers = ((
-21,
-7,
7,
21,
), )
self.payload_mod = payload_mod = digital.constellation_qpsk()
self.packet_length_tag_key = packet_length_tag_key = "packet_len"
self.occupied_carriers = occupied_carriers = (
list(range(-26, -21)) + list(range(-20, -7)) + list(range(-6, 0)) +
list(range(1, 7)) + list(range(8, 21)) + list(range(22, 27)), )
self.n = n = 255
self.length_tag_key = length_tag_key = "frame_len"
self.k = k = packet_len + 4
self.header_mod = header_mod = digital.constellation_bpsk()
self.fft_len = fft_len = 64
self.blocks_RS = blocks_RS = 1
self.t = t = int((n * blocks_RS - k) / 2)
self.sync_word2 = sync_word2 = [
0j, 0j, 0j, 0j, 0j, 0j, (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j),
(1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j),
(-1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j),
(-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j),
(-1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), 0j, (1 + 0j), (-1 + 0j),
(1 + 0j), (1 + 0j), (1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j),
(1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j),
(-1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j),
(-1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j),
0j, 0j, 0j, 0j, 0j
]
self.sync_word1 = sync_word1 = [
0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0.,
1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0.,
1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0.,
-1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
0., 0., 0., 0., 0.
]
self.samp_rate = samp_rate = 10000
self.rolloff = rolloff = 0
self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe(
fft_len, payload_mod.base(), occupied_carriers, pilot_carriers,
pilot_symbols, 1)
self.out_buf_size = out_buf_size = 0
self.header_formatter = header_formatter = digital.packet_header_ofdm(
occupied_carriers,
n_syms=1,
len_tag_key=packet_length_tag_key,
frame_len_tag_key=length_tag_key,
bits_per_header_sym=header_mod.bits_per_symbol(),
bits_per_payload_sym=payload_mod.bits_per_symbol(),
scramble_header=False)
self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe(
fft_len, header_mod.base(), occupied_carriers, pilot_carriers,
pilot_symbols)
self.hdr_format = hdr_format = digital.header_format_ofdm(
occupied_carriers,
1,
length_tag_key,
)
##################################################
# Blocks
##################################################
self.zeromq_sub_source_0 = zeromq.sub_source(
gr.sizeof_char, 1, "tcp://127.0.0.1:" + input_port_num, 100, False,
-1)
self.zeromq_pub_sink_0 = zeromq.pub_sink(gr.sizeof_char, 1,
"tcp://127.0.0.1:55556", 100,
False, -1)
self.uhd_usrp_source_0 = uhd.usrp_source(
",".join(("", "")),
uhd.stream_args(
cpu_format="fc32",
args='',
channels=list(range(0, 1)),
),
)
self.uhd_usrp_source_0.set_center_freq(rx_freq, 0)
self.uhd_usrp_source_0.set_normalized_gain(rx_gain, 0)
self.uhd_usrp_source_0.set_antenna('RX2', 0)
self.uhd_usrp_source_0.set_samp_rate(rx_bw)
self.uhd_usrp_source_0.set_time_now(uhd.time_spec(time.time()),
uhd.ALL_MBOARDS)
self.uhd_usrp_sink_0 = uhd.usrp_sink(
",".join(("", "")),
uhd.stream_args(
cpu_format="fc32",
args='',
channels=list(range(0, 1)),
),
packet_length_tag_key,
)
self.uhd_usrp_sink_0.set_center_freq(tx_freq, 0)
self.uhd_usrp_sink_0.set_normalized_gain(tx_gain, 0)
self.uhd_usrp_sink_0.set_antenna('TX/RX', 0)
self.uhd_usrp_sink_0.set_samp_rate(tx_bw)
self.uhd_usrp_sink_0.set_time_now(uhd.time_spec(time.time()),
uhd.ALL_MBOARDS)
self.foo_packet_pad2_0 = foo.packet_pad2(False, False, 0.001, 100,
1000)
self.fft_vxx_1 = fft.fft_vcc(fft_len, True, (), True, 1)
self.fft_vxx_0_0 = fft.fft_vcc(fft_len, False, (), True, 1)
self.fft_vxx_0 = fft.fft_vcc(fft_len, True, (), True, 1)
self.dtv_dvbt_reed_solomon_enc_0 = dtv.dvbt_reed_solomon_enc(
2, 8, 0x11d, n, k, t, 0, blocks_RS)
self.dtv_dvbt_reed_solomon_dec_0 = dtv.dvbt_reed_solomon_dec(
2, 8, 0x11d, n, k, t, 0, 1)
self.digital_protocol_formatter_bb_0 = digital.protocol_formatter_bb(
hdr_format, packet_length_tag_key)
self.digital_packet_headerparser_b_0 = digital.packet_headerparser_b(
header_formatter.base())
self.digital_ofdm_sync_sc_cfb_0 = digital.ofdm_sync_sc_cfb(
fft_len, fft_len // 4, False, 0.9)
self.digital_ofdm_serializer_vcc_payload = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key, packet_length_tag_key,
1, '', True)
self.digital_ofdm_serializer_vcc_header = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key, '', 0, '', True)
self.digital_ofdm_frame_equalizer_vcvc_1 = digital.ofdm_frame_equalizer_vcvc(
payload_equalizer.base(), fft_len // 4, length_tag_key, True, 0)
self.digital_ofdm_frame_equalizer_vcvc_0 = digital.ofdm_frame_equalizer_vcvc(
header_equalizer.base(), fft_len // 4, length_tag_key, True, 1)
self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer(
fft_len, fft_len + fft_len // 4, rolloff, packet_length_tag_key)
self.digital_ofdm_chanest_vcvc_0 = digital.ofdm_chanest_vcvc(
sync_word1, sync_word2, 1, 0, 3, False)
self.digital_ofdm_carrier_allocator_cvc_0 = digital.ofdm_carrier_allocator_cvc(
fft_len, occupied_carriers, pilot_carriers, pilot_symbols,
(sync_word1, sync_word2), packet_length_tag_key, True)
self.digital_header_payload_demux_0 = digital.header_payload_demux(
3, fft_len, fft_len // 4, length_tag_key, "", True,
gr.sizeof_gr_complex, "rx_time", samp_rate, (), 0)
self.digital_crc32_bb_0_0 = digital.crc32_bb(False,
packet_length_tag_key,
True)
self.digital_crc32_bb_0 = digital.crc32_bb(True, packet_length_tag_key,
True)
self.digital_constellation_decoder_cb_1 = digital.constellation_decoder_cb(
payload_mod.base())
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(
header_mod.base())
self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc(
payload_mod.points(), 1)
self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc(
header_mod.points(), 1)
self.blocks_vector_to_stream_0_0 = blocks.vector_to_stream(
gr.sizeof_char * 1, k)
self.blocks_vector_to_stream_0 = blocks.vector_to_stream(
gr.sizeof_char * 1, n)
self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux(
gr.sizeof_gr_complex * 1, packet_length_tag_key, 0)
self.blocks_tagged_stream_multiply_length_0_0 = blocks.tagged_stream_multiply_length(
gr.sizeof_char * 1, packet_length_tag_key, k / n)
self.blocks_tagged_stream_multiply_length_0 = blocks.tagged_stream_multiply_length(
gr.sizeof_char * 1, packet_length_tag_key, n / k)
self.blocks_stream_to_vector_1 = blocks.stream_to_vector(
gr.sizeof_char * 1, k)
self.blocks_stream_to_vector_0 = blocks.stream_to_vector(
gr.sizeof_char * 1, n)
self.blocks_stream_to_tagged_stream_0_0_0 = blocks.stream_to_tagged_stream(
gr.sizeof_char, 1, k, packet_length_tag_key)
self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(
gr.sizeof_char, 1, packet_len, packet_length_tag_key)
self.blocks_repack_bits_bb_0_1 = blocks.repack_bits_bb(
8, payload_mod.bits_per_symbol(), packet_length_tag_key, False,
gr.GR_LSB_FIRST)
self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb(
8, 1, packet_length_tag_key, False, gr.GR_LSB_FIRST)
self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(
payload_mod.bits_per_symbol(), 8, packet_length_tag_key, True,
gr.GR_LSB_FIRST)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_cc(0.05)
self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex * 1,
fft_len + fft_len // 4)
self.analog_frequency_modulator_fc_0 = analog.frequency_modulator_fc(
-2.0 / fft_len)
##################################################
# Connections
##################################################
self.msg_connect((self.digital_packet_headerparser_b_0, 'header_data'),
(self.digital_header_payload_demux_0, 'header_data'))
self.connect((self.analog_frequency_modulator_fc_0, 0),
(self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_delay_0, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.foo_packet_pad2_0, 0))
self.connect((self.blocks_multiply_xx_0, 0),
(self.digital_header_payload_demux_0, 0))
self.connect((self.blocks_repack_bits_bb_0, 0),
(self.blocks_stream_to_vector_0, 0))
self.connect((self.blocks_repack_bits_bb_0_0, 0),
(self.digital_chunks_to_symbols_xx_0, 0))
self.connect((self.blocks_repack_bits_bb_0_1, 0),
(self.digital_chunks_to_symbols_xx_0_0, 0))
self.connect((self.blocks_stream_to_tagged_stream_0, 0),
(self.digital_crc32_bb_0_0, 0))
self.connect((self.blocks_stream_to_tagged_stream_0_0_0, 0),
(self.blocks_tagged_stream_multiply_length_0_0, 0))
self.connect((self.blocks_stream_to_vector_0, 0),
(self.dtv_dvbt_reed_solomon_dec_0, 0))
self.connect((self.blocks_stream_to_vector_1, 0),
(self.dtv_dvbt_reed_solomon_enc_0, 0))
self.connect((self.blocks_tagged_stream_multiply_length_0, 0),
(self.blocks_repack_bits_bb_0_1, 0))
self.connect((self.blocks_tagged_stream_multiply_length_0, 0),
(self.digital_protocol_formatter_bb_0, 0))
self.connect((self.blocks_tagged_stream_multiply_length_0_0, 0),
(self.digital_crc32_bb_0, 0))
self.connect((self.blocks_tagged_stream_mux_0, 0),
(self.digital_ofdm_carrier_allocator_cvc_0, 0))
self.connect((self.blocks_vector_to_stream_0, 0),
(self.blocks_tagged_stream_multiply_length_0, 0))
self.connect((self.blocks_vector_to_stream_0_0, 0),
(self.blocks_stream_to_tagged_stream_0_0_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_0, 0),
(self.blocks_tagged_stream_mux_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_0_0, 0),
(self.blocks_tagged_stream_mux_0, 1))
self.connect((self.digital_constellation_decoder_cb_0, 0),
(self.digital_packet_headerparser_b_0, 0))
self.connect((self.digital_constellation_decoder_cb_1, 0),
(self.blocks_repack_bits_bb_0, 0))
self.connect((self.digital_crc32_bb_0, 0), (self.zeromq_pub_sink_0, 0))
self.connect((self.digital_crc32_bb_0_0, 0),
(self.blocks_stream_to_vector_1, 0))
self.connect((self.digital_header_payload_demux_0, 0),
(self.fft_vxx_0, 0))
self.connect((self.digital_header_payload_demux_0, 1),
(self.fft_vxx_1, 0))
self.connect((self.digital_ofdm_carrier_allocator_cvc_0, 0),
(self.fft_vxx_0_0, 0))
self.connect((self.digital_ofdm_chanest_vcvc_0, 0),
(self.digital_ofdm_frame_equalizer_vcvc_0, 0))
self.connect((self.digital_ofdm_cyclic_prefixer_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_0, 0),
(self.digital_ofdm_serializer_vcc_header, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_1, 0),
(self.digital_ofdm_serializer_vcc_payload, 0))
self.connect((self.digital_ofdm_serializer_vcc_header, 0),
(self.digital_constellation_decoder_cb_0, 0))
self.connect((self.digital_ofdm_serializer_vcc_payload, 0),
(self.digital_constellation_decoder_cb_1, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 0),
(self.analog_frequency_modulator_fc_0, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 1),
(self.digital_header_payload_demux_0, 1))
self.connect((self.digital_protocol_formatter_bb_0, 0),
(self.blocks_repack_bits_bb_0_0, 0))
self.connect((self.dtv_dvbt_reed_solomon_dec_0, 0),
(self.blocks_vector_to_stream_0_0, 0))
self.connect((self.dtv_dvbt_reed_solomon_enc_0, 0),
(self.blocks_vector_to_stream_0, 0))
self.connect((self.fft_vxx_0, 0),
(self.digital_ofdm_chanest_vcvc_0, 0))
self.connect((self.fft_vxx_0_0, 0),
(self.digital_ofdm_cyclic_prefixer_0, 0))
self.connect((self.fft_vxx_1, 0),
(self.digital_ofdm_frame_equalizer_vcvc_1, 0))
self.connect((self.foo_packet_pad2_0, 0), (self.uhd_usrp_sink_0, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.blocks_delay_0, 0))
self.connect((self.uhd_usrp_source_0, 0),
(self.digital_ofdm_sync_sc_cfb_0, 0))
self.connect((self.zeromq_sub_source_0, 0),
(self.blocks_stream_to_tagged_stream_0, 0))
def __init__(self, fft_len=_def_fft_len, cp_len=_def_cp_len,
frame_length_tag_key=_def_frame_length_tag_key,
packet_length_tag_key=_def_packet_length_tag_key,
packet_num_tag_key=_def_packet_num_tag_key,
occupied_carriers=_def_occupied_carriers,
pilot_carriers=_def_pilot_carriers,
pilot_symbols=_def_pilot_symbols,
bps_header=1,
bps_payload=1,
sync_word1=None,
sync_word2=None,
debug_log=False,
scramble_bits=False
):
gr.hier_block2.__init__(self, "ofdm_rx",
gr.io_signature(1, 1, gr.sizeof_gr_complex),
gr.io_signature(2, 2, gr.sizeof_char))
### Param init / sanity check ########################################
self.fft_len = fft_len
self.cp_len = cp_len
self.frame_length_tag_key = frame_length_tag_key
self.packet_length_tag_key = packet_length_tag_key
self.occupied_carriers = occupied_carriers
self.bps_header = bps_header
self.bps_payload = bps_payload
n_sync_words = 1
if sync_word1 is None:
self.sync_word1 = _make_sync_word1(fft_len, occupied_carriers, pilot_carriers)
else:
if len(sync_word1) != self.fft_len:
raise ValueError("Length of sync sequence(s) must be FFT length.")
self.sync_word1 = sync_word1
self.sync_word2 = ()
if sync_word2 is None:
self.sync_word2 = _make_sync_word2(fft_len, occupied_carriers, pilot_carriers)
n_sync_words = 2
elif len(sync_word2):
if len(sync_word2) != fft_len:
raise ValueError("Length of sync sequence(s) must be FFT length.")
self.sync_word2 = sync_word2
n_sync_words = 2
if scramble_bits:
self.scramble_seed = 0x7f
else:
self.scramble_seed = 0x00 # We deactivate the scrambler by init'ing it with zeros
### Sync ############################################################
sync_detect = digital.ofdm_sync_sc_cfb(fft_len, cp_len)
delay = blocks.delay(gr.sizeof_gr_complex, fft_len+cp_len)
oscillator = analog.frequency_modulator_fc(-2.0 / fft_len)
mixer = blocks.multiply_cc()
hpd = digital.header_payload_demux(
n_sync_words+1, # Number of OFDM symbols before payload (sync + 1 sym header)
fft_len, cp_len, # FFT length, guard interval
frame_length_tag_key, # Frame length tag key
"", # We're not using trigger tags
True # One output item is one OFDM symbol (False would output complex scalars)
)
self.connect(self, sync_detect)
self.connect(self, delay, (mixer, 0), (hpd, 0))
self.connect((sync_detect, 0), oscillator, (mixer, 1))
self.connect((sync_detect, 1), (hpd, 1))
if debug_log:
self.connect((sync_detect, 0), blocks.file_sink(gr.sizeof_float, 'freq-offset.dat'))
self.connect((sync_detect, 1), blocks.file_sink(gr.sizeof_char, 'sync-detect.dat'))
### Header demodulation ##############################################
header_fft = fft.fft_vcc(self.fft_len, True, (), True)
chanest = digital.ofdm_chanest_vcvc(self.sync_word1, self.sync_word2, 1)
header_constellation = _get_constellation(bps_header)
header_equalizer = digital.ofdm_equalizer_simpledfe(
fft_len,
header_constellation.base(),
occupied_carriers,
pilot_carriers,
pilot_symbols,
symbols_skipped=0,
)
header_eq = digital.ofdm_frame_equalizer_vcvc(
header_equalizer.base(),
cp_len,
self.frame_length_tag_key,
True,
1 # Header is 1 symbol long
)
header_serializer = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers,
self.frame_length_tag_key
)
header_demod = digital.constellation_decoder_cb(header_constellation.base())
header_formatter = digital.packet_header_ofdm(
occupied_carriers, 1,
packet_length_tag_key,
frame_length_tag_key,
packet_num_tag_key,
bps_header,
bps_payload,
scramble_header=scramble_bits
)
header_parser = digital.packet_headerparser_b(header_formatter.formatter())
self.connect(
(hpd, 0),
header_fft,
chanest,
header_eq,
header_serializer,
header_demod,
header_parser
)
self.msg_connect(header_parser, "header_data", hpd, "header_data")
if debug_log:
self.connect((chanest, 1), blocks.file_sink(gr.sizeof_gr_complex * fft_len, 'channel-estimate.dat'))
self.connect((chanest, 0), blocks.file_sink(gr.sizeof_gr_complex * fft_len, 'post-hdr-chanest.dat'))
self.connect((chanest, 0), blocks.tag_debug(gr.sizeof_gr_complex * fft_len, 'post-hdr-chanest'))
self.connect(header_eq, blocks.file_sink(gr.sizeof_gr_complex * fft_len, 'post-hdr-eq.dat'))
self.connect(header_serializer, blocks.file_sink(gr.sizeof_gr_complex, 'post-hdr-serializer.dat'))
self.connect(header_descrambler, blocks.file_sink(1, 'post-hdr-demod.dat'))
### Payload demod ####################################################
payload_fft = fft.fft_vcc(self.fft_len, True, (), True)
payload_constellation = _get_constellation(bps_payload)
payload_equalizer = digital.ofdm_equalizer_simpledfe(
fft_len,
payload_constellation.base(),
occupied_carriers,
pilot_carriers,
pilot_symbols,
symbols_skipped=1, # (that was already in the header)
alpha=0.1
)
payload_eq = digital.ofdm_frame_equalizer_vcvc(
payload_equalizer.base(),
cp_len,
self.frame_length_tag_key
)
payload_serializer = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers,
self.frame_length_tag_key,
self.packet_length_tag_key,
1 # Skip 1 symbol (that was already in the header)
)
payload_demod = digital.constellation_decoder_cb(payload_constellation.base())
self.payload_descrambler = digital.additive_scrambler_bb(
0x8a,
self.scramble_seed,
7,
0, # Don't reset after fixed length
bits_per_byte=8, # This is after packing
reset_tag_key=self.packet_length_tag_key
)
payload_pack = blocks.repack_bits_bb(bps_payload, 8, self.packet_length_tag_key, True)
self.crc = digital.crc32_bb(True, self.packet_length_tag_key)
self.connect(
(hpd, 1),
payload_fft,
payload_eq,
payload_serializer,
payload_demod,
payload_pack,
self.payload_descrambler,
self.crc,
self
)
self.connect((sync_detect, 1), (self, 1))
# Add snr logger
#snr = mofdm.ofdm_subchan_snr_vcvf(self.fft_len, self.cp_len, self.frame_length_tag_key,
# self.occupied_carriers, pilot_carriers, pilot_symbols, 0, True, debug=False)
#self.connect(payload_fft, snr, blocks.file_sink(gr.sizeof_float * fft_len, 'perchan-snr.dat'))
#rx_data = mofdm.ofdm_data_sink(self.packet_length_tag_key)
#self.connect(self.payload_descrambler, rx_data)
if debug_log:
self.connect((hpd, 1), blocks.tag_debug(gr.sizeof_gr_complex*fft_len, 'post-hpd'))
self.connect(payload_fft, blocks.file_sink(gr.sizeof_gr_complex*fft_len, 'post-payload-fft.dat'))
self.connect(payload_eq, blocks.file_sink(gr.sizeof_gr_complex*fft_len, 'post-payload-eq.dat'))
self.connect(payload_serializer, blocks.file_sink(gr.sizeof_gr_complex, 'post-payload-serializer.dat'))
self.connect(payload_demod, blocks.file_sink(1, 'post-payload-demod.dat'))
self.connect(payload_pack, blocks.file_sink(1, 'post-payload-pack.dat'))
self.connect(crc, blocks.file_sink(1, 'post-payload-crc.dat'))
def test_001_headerpadding_payload_offset (self):
""" Like test 1, but with header padding + payload offset. """
n_zeros = 3
header = (1, 2, 3)
header_padding = 1
payload_offset = -1
payload = tuple(range(5, 20))
data_signal = (0,) * n_zeros + header + payload + (0,) * 100
trigger_signal = [0] * len(data_signal)
trigger_signal[n_zeros] = 1
# This goes on output 1, item 3 + 1 (for payload offset)
testtag4 = make_tag('tag4', 314, n_zeros + len(header) + 3)
data_src = blocks.vector_source_f(
data_signal,
False,
tags=(testtag4,)
)
trigger_src = blocks.vector_source_b(trigger_signal, False)
hpd = digital.header_payload_demux(
len(header),
1, # Items per symbol
0, # Guard interval
"frame_len", # TSB tag key
"detect", # Trigger tag key
False, # No symbols please
gr.sizeof_float, # Item size
"", # Timing tag key
1.0, # Samp rate
(), # No special tags
header_padding
)
self.assertEqual(pmt.length(hpd.message_ports_in()), 2) #extra system port defined for you
header_sink = blocks.vector_sink_f()
payload_sink = blocks.vector_sink_f()
self.tb.connect(data_src, (hpd, 0))
self.tb.connect(trigger_src, (hpd, 1))
self.tb.connect((hpd, 0), header_sink)
self.tb.connect((hpd, 1), payload_sink)
self.tb.start()
time.sleep(.2) # Need this, otherwise, the next message is ignored
hpd.to_basic_block()._post(
pmt.intern('header_data'),
pmt.to_pmt({'frame_len': len(payload), 'payload_offset': payload_offset})
)
while len(payload_sink.data()) < len(payload):
time.sleep(.2)
self.tb.stop()
self.tb.wait()
# Header is now padded:
self.assertEqual(header_sink.data(), (0,) + header + (payload[0],))
# Payload is now offset:
self.assertEqual(
payload_sink.data(),
data_signal[n_zeros + len(header) + payload_offset:n_zeros + len(header) + payload_offset + len(payload)]
)
ptags_payload = {}
for tag in payload_sink.tags():
ptag = gr.tag_to_python(tag)
ptags_payload[ptag.key] = ptag.offset
expected_tags_payload = {
'frame_len': 0,
'payload_offset': 0,
'tag4': 3 - payload_offset,
}
self.assertEqual(expected_tags_payload, ptags_payload)
def __init__(self):
gr.top_block.__init__(self, "Novo")
Qt.QWidget.__init__(self)
self.setWindowTitle("Novo")
qtgui.util.check_set_qss()
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "novo")
self.restoreGeometry(
self.settings.value("geometry", type=QtCore.QByteArray))
##################################################
# Variables
##################################################
self.sps = sps = 2
self.nfilts = nfilts = 32
self.eb = eb = 0.22
self.tx_rrc_taps = tx_rrc_taps = firdes.root_raised_cosine(
nfilts, nfilts, 1.0, eb, 5 * sps * nfilts)
self.Const_HDR = Const_HDR = digital.constellation_calcdist(
(digital.psk_2()[0]), (digital.psk_2()[1]), 2, 1).base()
self.Const_HDR.gen_soft_dec_lut(8)
self.taps_per_filt = taps_per_filt = len(tx_rrc_taps) / nfilts
self.rxmod = rxmod = digital.generic_mod(Const_HDR, False, sps, True,
eb, False, False)
self.preamble = preamble = [
0xac, 0xdd, 0xa4, 0xe2, 0xf2, 0x8c, 0x20, 0xfc
]
self.mark_delays = mark_delays = [0, 0, 34, 56, 87, 119]
self.snc_threshold = snc_threshold = 0.9
self.samp_rate = samp_rate = 32000
self.rx_rrc_taps = rx_rrc_taps = firdes.root_raised_cosine(
nfilts, sps * nfilts, 1.0, eb, 11 * sps * nfilts)
self.packet_len_tag_key = packet_len_tag_key = "packet_length"
self.packet_len = packet_len = 100
self.ntaps = ntaps = len(tx_rrc_taps)
self.noise_voltage = noise_voltage = 1
self.modulated_sync_word = modulated_sync_word = digital.modulate_vector_bc(
rxmod.to_basic_block(), (preamble), ([1]))
self.mark_delay = mark_delay = mark_delays[sps]
self.hdr_format = hdr_format = digital.header_format_default(
digital.packet_utils.default_access_code, 1, 1)
self.freq_offset = freq_offset = 0
self.filt_delay = filt_delay = 1 + (taps_per_filt - 1) / 2
self.enc_hdr = enc_hdr = fec.dummy_encoder_make(8000)
self.enc = enc = fec.dummy_encoder_make(8000)
self.dec_hdr = dec_hdr = fec.dummy_decoder.make(8000)
self.Const_PLD = Const_PLD = digital.constellation_calcdist(
(digital.psk_2()[0]), (digital.psk_2()[1]), 2, 1).base()
self.Const_PLD.gen_soft_dec_lut(8)
##################################################
# Blocks
##################################################
self._noise_voltage_range = Range(0, 8, .05, 1, 200)
self._noise_voltage_win = RangeWidget(self._noise_voltage_range,
self.set_noise_voltage,
'Noise Amplitude',
"counter_slider", float)
self.top_grid_layout.addWidget(self._noise_voltage_win)
self._freq_offset_range = Range(-30, 30, .1, 0, 200)
self._freq_offset_win = RangeWidget(
self._freq_offset_range, self.set_freq_offset,
'Frequency Offset (Multiples of Sub-carrier spacing)',
"counter_slider", float)
self.top_grid_layout.addWidget(self._freq_offset_win)
self._snc_threshold_range = Range(0, 1, .05, 0.9, 200)
self._snc_threshold_win = RangeWidget(self._snc_threshold_range,
self.set_snc_threshold,
'S&C Threshold',
"counter_slider", float)
self.top_grid_layout.addWidget(self._snc_threshold_win)
self.qtgui_time_sink_x_0_0 = qtgui.time_sink_f(
packet_len * 3, #size
samp_rate, #samp_rate
'Tx Data', #name
1 #number of inputs
)
self.qtgui_time_sink_x_0_0.set_update_time(0.10)
self.qtgui_time_sink_x_0_0.set_y_axis(-1, 256)
self.qtgui_time_sink_x_0_0.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_0_0.enable_tags(-1, True)
self.qtgui_time_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS, 0.0,
0, 0, '')
self.qtgui_time_sink_x_0_0.enable_autoscale(False)
self.qtgui_time_sink_x_0_0.enable_grid(True)
self.qtgui_time_sink_x_0_0.enable_axis_labels(True)
self.qtgui_time_sink_x_0_0.enable_control_panel(False)
self.qtgui_time_sink_x_0_0.enable_stem_plot(False)
if not True:
self.qtgui_time_sink_x_0_0.disable_legend()
labels = ['', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "blue"
]
styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_time_sink_x_0_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_0_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_0_win = sip.wrapinstance(
self.qtgui_time_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_0_win)
self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
packet_len * 2, #size
samp_rate, #samp_rate
'Rx Data', #name
1 #number of inputs
)
self.qtgui_time_sink_x_0.set_update_time(0.10)
self.qtgui_time_sink_x_0.set_y_axis(-1, 1)
self.qtgui_time_sink_x_0.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_0.enable_tags(-1, True)
self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_TAG,
qtgui.TRIG_SLOPE_POS, 0.0, 0,
0, 'packet_length_tag_key')
self.qtgui_time_sink_x_0.enable_autoscale(True)
self.qtgui_time_sink_x_0.enable_grid(True)
self.qtgui_time_sink_x_0.enable_axis_labels(True)
self.qtgui_time_sink_x_0.enable_control_panel(False)
self.qtgui_time_sink_x_0.enable_stem_plot(False)
if not True:
self.qtgui_time_sink_x_0.disable_legend()
labels = ['', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "blue"
]
styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_time_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_win = sip.wrapinstance(
self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_win)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
'Rx Spectrum', #name
1 #number of inputs
)
self.qtgui_freq_sink_x_0.set_update_time(0.10)
self.qtgui_freq_sink_x_0.set_y_axis(-60, 10)
self.qtgui_freq_sink_x_0.set_y_label('Relative Gain', 'dB')
self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0,
"")
self.qtgui_freq_sink_x_0.enable_autoscale(False)
self.qtgui_freq_sink_x_0.enable_grid(True)
self.qtgui_freq_sink_x_0.set_fft_average(1.0)
self.qtgui_freq_sink_x_0.enable_axis_labels(True)
self.qtgui_freq_sink_x_0.enable_control_panel(False)
if not True:
self.qtgui_freq_sink_x_0.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_freq_sink_x_0.set_plot_pos_half(not True)
labels = ['Rx Spectrum', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "dark blue"
]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(
self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win)
self.pfb_arb_resampler_xxx_0_0 = pfb.arb_resampler_ccf(
sps, taps=(tx_rrc_taps), flt_size=nfilts)
self.pfb_arb_resampler_xxx_0_0.declare_sample_delay(filt_delay)
self.digital_protocol_parser_b_0 = digital.protocol_parser_b(
hdr_format)
self.digital_protocol_formatter_bb_0 = digital.protocol_formatter_bb(
hdr_format, packet_len_tag_key)
self.digital_pfb_clock_sync_xxx_0_1 = digital.pfb_clock_sync_ccf(
sps, 6.28 / 400.0, (rx_rrc_taps), nfilts, nfilts / 2, 1.5, 1)
self.digital_map_bb_1_0 = digital.map_bb((Const_PLD.pre_diff_code()))
self.digital_map_bb_1 = digital.map_bb((Const_HDR.pre_diff_code()))
self.digital_header_payload_demux_0 = digital.header_payload_demux(
hdr_format.header_nbits() / Const_HDR.bits_per_symbol(),
1,
0,
"payload symbols",
"time_est",
True,
gr.sizeof_gr_complex,
"rx_time",
sps,
"",
0,
)
self.digital_corr_est_cc_0_0 = digital.corr_est_cc(
(modulated_sync_word), 1, mark_delay, 0.999)
self.digital_constellation_soft_decoder_cf_0_1 = digital.constellation_soft_decoder_cf(
Const_PLD)
self.digital_constellation_soft_decoder_cf_0_0 = digital.constellation_soft_decoder_cf(
Const_HDR)
self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc(
(Const_PLD.points()), 1)
self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc(
(Const_HDR.points()), 1)
self.digital_burst_shaper_xx_0_0 = digital.burst_shaper_cc(
(firdes.window(firdes.WIN_HANN, 20, 0)), 0, filt_delay, True,
packet_len_tag_key)
(self.digital_burst_shaper_xx_0_0).set_block_alias("burst_shaper0")
self.digital_binary_slicer_fb_0_0 = digital.binary_slicer_fb()
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.channels_channel_model_0 = channels.channel_model(
noise_voltage=0,
frequency_offset=freq_offset * 1.0 / packet_len,
epsilon=1.0,
taps=(1.0 + 1.0j, ),
noise_seed=0,
block_tags=True)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
samp_rate, True)
self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux(
gr.sizeof_gr_complex * 1, packet_len_tag_key, 0)
self.blocks_tagged_stream_multiply_length_0_1 = blocks.tagged_stream_multiply_length(
gr.sizeof_gr_complex * 1, packet_len_tag_key, sps)
self.blocks_tag_debug_0_0_0 = blocks.tag_debug(gr.sizeof_char * 1,
'TAGGED', "")
self.blocks_tag_debug_0_0_0.set_display(True)
self.blocks_tag_debug_0_0 = blocks.tag_debug(gr.sizeof_gr_complex * 1,
'MUX', "")
self.blocks_tag_debug_0_0.set_display(True)
self.blocks_stream_to_tagged_stream_0_0 = blocks.stream_to_tagged_stream(
gr.sizeof_char, 1, packet_len, packet_len_tag_key)
self.blocks_repack_bits_bb_1_0 = blocks.repack_bits_bb(
1, 8, "", False, gr.GR_MSB_FIRST)
self.blocks_repack_bits_bb_1 = blocks.repack_bits_bb(
1, 8, "", False, gr.GR_MSB_FIRST)
self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb(
8, Const_PLD.bits_per_symbol(), packet_len_tag_key, False,
gr.GR_MSB_FIRST)
self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(
8, Const_HDR.bits_per_symbol(), packet_len_tag_key, False,
gr.GR_MSB_FIRST)
self.blocks_file_source_0 = blocks.file_source(
gr.sizeof_char * 1, '/home/andre/Desktop/trasmit_1_mb.txt', True)
self.blocks_file_source_0.set_begin_tag(pmt.PMT_NIL)
self.blocks_file_sink_0_0_0_0 = blocks.file_sink(
gr.sizeof_char * 1, 'depois.txt', False)
self.blocks_file_sink_0_0_0_0.set_unbuffered(False)
self.blocks_char_to_float_1_0_0 = blocks.char_to_float(1, 1)
self.blocks_char_to_float_1_0 = blocks.char_to_float(1, 1)
##################################################
# Connections
##################################################
self.msg_connect((self.digital_protocol_parser_b_0, 'info'),
(self.digital_header_payload_demux_0, 'header_data'))
self.connect((self.blocks_char_to_float_1_0, 0),
(self.qtgui_time_sink_x_0, 0))
self.connect((self.blocks_char_to_float_1_0_0, 0),
(self.qtgui_time_sink_x_0_0, 0))
self.connect((self.blocks_file_source_0, 0),
(self.blocks_stream_to_tagged_stream_0_0, 0))
self.connect((self.blocks_repack_bits_bb_0, 0),
(self.digital_map_bb_1, 0))
self.connect((self.blocks_repack_bits_bb_0_0, 0),
(self.digital_map_bb_1_0, 0))
self.connect((self.blocks_repack_bits_bb_1, 0),
(self.blocks_char_to_float_1_0, 0))
self.connect((self.blocks_repack_bits_bb_1, 0),
(self.blocks_file_sink_0_0_0_0, 0))
self.connect((self.blocks_repack_bits_bb_1_0, 0),
(self.digital_protocol_parser_b_0, 0))
self.connect((self.blocks_stream_to_tagged_stream_0_0, 0),
(self.blocks_char_to_float_1_0_0, 0))
self.connect((self.blocks_stream_to_tagged_stream_0_0, 0),
(self.blocks_repack_bits_bb_0_0, 0))
self.connect((self.blocks_stream_to_tagged_stream_0_0, 0),
(self.digital_protocol_formatter_bb_0, 0))
self.connect((self.blocks_tagged_stream_multiply_length_0_1, 0),
(self.channels_channel_model_0, 0))
self.connect((self.blocks_tagged_stream_mux_0, 0),
(self.blocks_tag_debug_0_0, 0))
self.connect((self.blocks_tagged_stream_mux_0, 0),
(self.digital_burst_shaper_xx_0_0, 0))
self.connect((self.blocks_throttle_0, 0),
(self.digital_corr_est_cc_0_0, 0))
self.connect((self.blocks_throttle_0, 0),
(self.qtgui_freq_sink_x_0, 0))
self.connect((self.channels_channel_model_0, 0),
(self.blocks_throttle_0, 0))
self.connect((self.digital_binary_slicer_fb_0, 0),
(self.blocks_repack_bits_bb_1, 0))
self.connect((self.digital_binary_slicer_fb_0_0, 0),
(self.blocks_repack_bits_bb_1_0, 0))
self.connect((self.digital_burst_shaper_xx_0_0, 0),
(self.pfb_arb_resampler_xxx_0_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_0, 0),
(self.blocks_tagged_stream_mux_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_0_0, 0),
(self.blocks_tagged_stream_mux_0, 1))
self.connect((self.digital_constellation_soft_decoder_cf_0_0, 0),
(self.digital_binary_slicer_fb_0_0, 0))
self.connect((self.digital_constellation_soft_decoder_cf_0_1, 0),
(self.digital_binary_slicer_fb_0, 0))
self.connect((self.digital_corr_est_cc_0_0, 0),
(self.digital_pfb_clock_sync_xxx_0_1, 0))
self.connect((self.digital_header_payload_demux_0, 0),
(self.digital_constellation_soft_decoder_cf_0_0, 0))
self.connect((self.digital_header_payload_demux_0, 1),
(self.digital_constellation_soft_decoder_cf_0_1, 0))
self.connect((self.digital_map_bb_1, 0),
(self.digital_chunks_to_symbols_xx_0, 0))
self.connect((self.digital_map_bb_1_0, 0),
(self.digital_chunks_to_symbols_xx_0_0, 0))
self.connect((self.digital_pfb_clock_sync_xxx_0_1, 0),
(self.digital_header_payload_demux_0, 0))
self.connect((self.digital_protocol_formatter_bb_0, 0),
(self.blocks_repack_bits_bb_0, 0))
self.connect((self.digital_protocol_formatter_bb_0, 0),
(self.blocks_tag_debug_0_0_0, 0))
self.connect((self.pfb_arb_resampler_xxx_0_0, 0),
(self.blocks_tagged_stream_multiply_length_0_1, 0))
def __init__(self):
gr.top_block.__init__(self, "OFDM Transceiver")
Qt.QWidget.__init__(self)
self.setWindowTitle("OFDM Transceiver")
qtgui.util.check_set_qss()
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "rx_ofdm")
try:
if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
self.restoreGeometry(
self.settings.value("geometry").toByteArray())
else:
self.restoreGeometry(self.settings.value("geometry"))
except:
pass
##################################################
# Variables
##################################################
self.pilot_symbols = pilot_symbols = ((
1,
1,
1,
-1,
), )
self.pilot_carriers = pilot_carriers = ((
-21,
-7,
7,
21,
), )
self.payload_mod = payload_mod = digital.constellation_qpsk()
self.packet_length_tag_key = packet_length_tag_key = "packet_len"
self.occupied_carriers = occupied_carriers = (
list(range(-26, -21)) + list(range(-20, -7)) + list(range(-6, 0)) +
list(range(1, 7)) + list(range(8, 21)) + list(range(22, 27)), )
self.num_syms = num_syms = 1
self.length_tag_key = length_tag_key = "frame_len"
self.header_mod = header_mod = digital.constellation_bpsk()
self.fft_len = fft_len = 64
self.tx_amp = tx_amp = 0.034
self.sync_word2 = sync_word2 = [
0j, 0j, 0j, 0j, 0j, 0j, (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j),
(1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j),
(-1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j),
(-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j),
(-1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), 0j, (1 + 0j), (-1 + 0j),
(1 + 0j), (1 + 0j), (1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j),
(1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j),
(-1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j),
(-1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j),
0j, 0j, 0j, 0j, 0j
]
self.sync_word1 = sync_word1 = [
0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0.,
1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0.,
1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0.,
-1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
0., 0., 0., 0., 0.
]
self.sc_select = sc_select = 0
self.samp_rate = samp_rate = 1e6
self.rx_gain = rx_gain = 30
self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_static(
fft_len, occupied_carriers, pilot_carriers, pilot_symbols, 0, True)
self.packet_len = packet_len = int(96 / 8 * num_syms)
self.offset = offset = 8
self.mp_gain = mp_gain = 0
self.mp_delay = mp_delay = 0
self.header_formatter = header_formatter = digital.packet_header_ofdm(
occupied_carriers,
n_syms=1,
len_tag_key=packet_length_tag_key,
frame_len_tag_key=length_tag_key,
bits_per_header_sym=header_mod.bits_per_symbol(),
bits_per_payload_sym=payload_mod.bits_per_symbol(),
scramble_header=False)
self.header_equalizer = header_equalizer = digital.ofdm_equalizer_static(
fft_len, occupied_carriers, pilot_carriers, pilot_symbols, 0, True)
self.freqc = freqc = 900e6
self.cp_delay = cp_delay = 0
##################################################
# Blocks
##################################################
self._tx_amp_range = Range(0.001, 0.1, .001, 0.034, 200)
self._tx_amp_win = RangeWidget(self._tx_amp_range, self.set_tx_amp,
'TX Amplitude', "counter_slider", float)
self.top_grid_layout.addWidget(self._tx_amp_win, 1, 0, 1, 8)
for r in range(1, 2):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 8):
self.top_grid_layout.setColumnStretch(c, 1)
self.tab_const = Qt.QTabWidget()
self.tab_const_widget_0 = Qt.QWidget()
self.tab_const_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.tab_const_widget_0)
self.tab_const_grid_layout_0 = Qt.QGridLayout()
self.tab_const_layout_0.addLayout(self.tab_const_grid_layout_0)
self.tab_const.addTab(self.tab_const_widget_0,
'Pre-Equalization (Single-Subcarrier)')
self.tab_const_widget_1 = Qt.QWidget()
self.tab_const_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.tab_const_widget_1)
self.tab_const_grid_layout_1 = Qt.QGridLayout()
self.tab_const_layout_1.addLayout(self.tab_const_grid_layout_1)
self.tab_const.addTab(self.tab_const_widget_1,
'Pre-Equalization (All Subcarriers)')
self.tab_const_widget_2 = Qt.QWidget()
self.tab_const_layout_2 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.tab_const_widget_2)
self.tab_const_grid_layout_2 = Qt.QGridLayout()
self.tab_const_layout_2.addLayout(self.tab_const_grid_layout_2)
self.tab_const.addTab(self.tab_const_widget_2,
'Post-Equalization (All Subcarriers)')
self.top_grid_layout.addWidget(self.tab_const, 2, 0, 8, 4)
for r in range(2, 10):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 4):
self.top_grid_layout.setColumnStretch(c, 1)
self._sc_select_range = Range(0, fft_len - 1, 1, 0, 200)
self._sc_select_win = RangeWidget(self._sc_select_range,
self.set_sc_select,
'Sub Carrier Select',
"counter_slider", float)
self.top_grid_layout.addWidget(self._sc_select_win, 12, 0, 1, 4)
for r in range(12, 13):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 4):
self.top_grid_layout.setColumnStretch(c, 1)
self._rx_gain_range = Range(0, 64, 1, 30, 200)
self._rx_gain_win = RangeWidget(self._rx_gain_range, self.set_rx_gain,
'RX Gain', "counter_slider", float)
self.top_grid_layout.addWidget(self._rx_gain_win, 0, 0, 1, 8)
for r in range(0, 1):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 8):
self.top_grid_layout.setColumnStretch(c, 1)
self._mp_gain_range = Range(0, 1, 0.001, 0, 200)
self._mp_gain_win = RangeWidget(self._mp_gain_range, self.set_mp_gain,
'Multipath Gain', "counter_slider",
float)
self.top_grid_layout.addWidget(self._mp_gain_win, 13, 0, 1, 4)
for r in range(13, 14):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 4):
self.top_grid_layout.setColumnStretch(c, 1)
self._mp_delay_range = Range(0, 32, 1, 0, 200)
self._mp_delay_win = RangeWidget(self._mp_delay_range,
self.set_mp_delay,
'Multipath Delay (Samples)',
"counter_slider", float)
self.top_grid_layout.addWidget(self._mp_delay_win, 13, 4, 1, 4)
for r in range(13, 14):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(4, 8):
self.top_grid_layout.setColumnStretch(c, 1)
self._cp_delay_range = Range(0, 3, 1, 0, 200)
self._cp_delay_win = RangeWidget(self._cp_delay_range,
self.set_cp_delay,
'CP Delay (samples)',
"counter_slider", float)
self.top_grid_layout.addWidget(self._cp_delay_win, 12, 4, 1, 4)
for r in range(12, 13):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(4, 8):
self.top_grid_layout.setColumnStretch(c, 1)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
fft_len, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"Channel Response", #name
1)
self.qtgui_freq_sink_x_0.set_update_time(0.10)
self.qtgui_freq_sink_x_0.set_y_axis(-100, 0)
self.qtgui_freq_sink_x_0.set_y_label('Relative Gain', 'dB')
self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0,
"")
self.qtgui_freq_sink_x_0.enable_autoscale(False)
self.qtgui_freq_sink_x_0.enable_grid(True)
self.qtgui_freq_sink_x_0.set_fft_average(0.1)
self.qtgui_freq_sink_x_0.enable_axis_labels(True)
self.qtgui_freq_sink_x_0.enable_control_panel(True)
labels = ['', '', '', '', '', '', '', '', '', '']
widths = [2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "dark blue"
]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in range(1):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(
self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win, 2, 4, 8,
4)
for r in range(2, 10):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(4, 8):
self.top_grid_layout.setColumnStretch(c, 1)
self.qtgui_const_sink_x_0_1 = qtgui.const_sink_c(
1024, #size
"", #name
1 #number of inputs
)
self.qtgui_const_sink_x_0_1.set_update_time(0.10)
self.qtgui_const_sink_x_0_1.set_y_axis(-2.5, 2.5)
self.qtgui_const_sink_x_0_1.set_x_axis(-2.5, 2.5)
self.qtgui_const_sink_x_0_1.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS, 0.0,
0, "")
self.qtgui_const_sink_x_0_1.enable_autoscale(False)
self.qtgui_const_sink_x_0_1.enable_grid(True)
self.qtgui_const_sink_x_0_1.enable_axis_labels(True)
labels = ['', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "red", "red", "red", "red", "red", "red", "red",
"red"
]
styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
markers = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in range(1):
if len(labels[i]) == 0:
self.qtgui_const_sink_x_0_1.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_const_sink_x_0_1.set_line_label(i, labels[i])
self.qtgui_const_sink_x_0_1.set_line_width(i, widths[i])
self.qtgui_const_sink_x_0_1.set_line_color(i, colors[i])
self.qtgui_const_sink_x_0_1.set_line_style(i, styles[i])
self.qtgui_const_sink_x_0_1.set_line_marker(i, markers[i])
self.qtgui_const_sink_x_0_1.set_line_alpha(i, alphas[i])
self._qtgui_const_sink_x_0_1_win = sip.wrapinstance(
self.qtgui_const_sink_x_0_1.pyqwidget(), Qt.QWidget)
self.tab_const_layout_1.addWidget(self._qtgui_const_sink_x_0_1_win)
self.qtgui_const_sink_x_0_0 = qtgui.const_sink_c(
1024, #size
"", #name
1 #number of inputs
)
self.qtgui_const_sink_x_0_0.set_update_time(0.10)
self.qtgui_const_sink_x_0_0.set_y_axis(-2.5, 2.5)
self.qtgui_const_sink_x_0_0.set_x_axis(-2.5, 2.5)
self.qtgui_const_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS, 0.0,
0, '')
self.qtgui_const_sink_x_0_0.enable_autoscale(False)
self.qtgui_const_sink_x_0_0.enable_grid(True)
self.qtgui_const_sink_x_0_0.enable_axis_labels(True)
labels = ['', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "red", "red", "red", "red", "red", "red", "red",
"red"
]
styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
markers = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in range(1):
if len(labels[i]) == 0:
self.qtgui_const_sink_x_0_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_const_sink_x_0_0.set_line_label(i, labels[i])
self.qtgui_const_sink_x_0_0.set_line_width(i, widths[i])
self.qtgui_const_sink_x_0_0.set_line_color(i, colors[i])
self.qtgui_const_sink_x_0_0.set_line_style(i, styles[i])
self.qtgui_const_sink_x_0_0.set_line_marker(i, markers[i])
self.qtgui_const_sink_x_0_0.set_line_alpha(i, alphas[i])
self._qtgui_const_sink_x_0_0_win = sip.wrapinstance(
self.qtgui_const_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.tab_const_layout_0.addWidget(self._qtgui_const_sink_x_0_0_win)
self.qtgui_const_sink_x_0 = qtgui.const_sink_c(
1024, #size
"", #name
1 #number of inputs
)
self.qtgui_const_sink_x_0.set_update_time(0.10)
self.qtgui_const_sink_x_0.set_y_axis(-2.5, 2.5)
self.qtgui_const_sink_x_0.set_x_axis(-2.5, 2.5)
self.qtgui_const_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS, 0.0,
0, "")
self.qtgui_const_sink_x_0.enable_autoscale(False)
self.qtgui_const_sink_x_0.enable_grid(True)
self.qtgui_const_sink_x_0.enable_axis_labels(True)
labels = ['', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "red", "red", "red", "red", "red", "red", "red",
"red"
]
styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
markers = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in range(1):
if len(labels[i]) == 0:
self.qtgui_const_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_const_sink_x_0.set_line_label(i, labels[i])
self.qtgui_const_sink_x_0.set_line_width(i, widths[i])
self.qtgui_const_sink_x_0.set_line_color(i, colors[i])
self.qtgui_const_sink_x_0.set_line_style(i, styles[i])
self.qtgui_const_sink_x_0.set_line_marker(i, markers[i])
self.qtgui_const_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_const_sink_x_0_win = sip.wrapinstance(
self.qtgui_const_sink_x_0.pyqwidget(), Qt.QWidget)
self.tab_const_layout_2.addWidget(self._qtgui_const_sink_x_0_win)
self._num_syms_range = Range(1, 20, 1, 1, 200)
self._num_syms_win = RangeWidget(self._num_syms_range,
self.set_num_syms,
'# of Symbols per Pkt',
"counter_slider", float)
self.top_grid_layout.addWidget(self._num_syms_win, 11, 0, 1, 8)
for r in range(11, 12):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 8):
self.top_grid_layout.setColumnStretch(c, 1)
self.iio_pluto_source_0 = iio.pluto_source('usb:1.4.5', int(freqc),
int(samp_rate), 20000000,
32768, True, True, True,
'manual', rx_gain, '', True)
self.iio_pluto_sink_0 = iio.pluto_sink('usb:1.3.5', int(freqc),
int(samp_rate), 20000000, 32768,
False, 10.0, '', True)
self.fft_vxx_1 = fft.fft_vcc(fft_len, True, (), True, 1)
self.fft_vxx_0 = fft.fft_vcc(fft_len, True, (), True, 1)
self.digital_packet_headerparser_b_0 = digital.packet_headerparser_b(
header_formatter.base())
self.digital_ofdm_tx_0 = digital.ofdm_tx(
fft_len=fft_len,
cp_len=fft_len // 4,
packet_length_tag_key=packet_length_tag_key,
occupied_carriers=occupied_carriers,
pilot_carriers=pilot_carriers,
pilot_symbols=pilot_symbols,
sync_word1=sync_word1,
sync_word2=sync_word2,
bps_header=1,
bps_payload=2,
rolloff=0,
debug_log=False,
scramble_bits=False)
self.digital_ofdm_sync_sc_cfb_0 = digital.ofdm_sync_sc_cfb(
fft_len, fft_len // 4, False, 0.9)
self.digital_ofdm_serializer_vcc_payload = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key, packet_length_tag_key,
1, '', True)
self.digital_ofdm_serializer_vcc_header = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key, '', 0, '', True)
self.digital_ofdm_frame_equalizer_vcvc_1 = digital.ofdm_frame_equalizer_vcvc(
payload_equalizer.base(), fft_len // 4, length_tag_key, True, 0)
self.digital_ofdm_frame_equalizer_vcvc_0 = digital.ofdm_frame_equalizer_vcvc(
header_equalizer.base(), fft_len // 4, length_tag_key, True, 1)
self.digital_ofdm_chanest_vcvc_0 = digital.ofdm_chanest_vcvc(
sync_word1, sync_word2, 1, 0, 3, False)
self.digital_header_payload_demux_0 = digital.header_payload_demux(
3, fft_len, fft_len // 4, length_tag_key, "", True,
gr.sizeof_gr_complex, "rx_time", int(samp_rate), (), 0)
self.digital_crc32_bb_0 = digital.crc32_bb(True, packet_length_tag_key,
True)
self.digital_constellation_decoder_cb_1 = digital.constellation_decoder_cb(
payload_mod.base())
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(
header_mod.base())
self.blocks_vector_to_stream_0_0_1 = blocks.vector_to_stream(
gr.sizeof_gr_complex * 1, 64)
self.blocks_vector_to_stream_0_0 = blocks.vector_to_stream(
gr.sizeof_gr_complex * 1, 64)
self.blocks_tag_debug_1 = blocks.tag_debug(gr.sizeof_char * 1,
'Rx Bytes', "")
self.blocks_tag_debug_1.set_display(False)
self.blocks_stream_to_vector_0 = blocks.stream_to_vector(
gr.sizeof_gr_complex * 1, 64)
self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(
gr.sizeof_char, 1, packet_len, packet_length_tag_key)
self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(
payload_mod.bits_per_symbol(), 8, packet_length_tag_key, True,
gr.GR_LSB_FIRST)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_multiply_const_vxx_1 = blocks.multiply_const_cc(mp_gain)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_cc(tx_amp)
self.blocks_keep_m_in_n_0 = blocks.keep_m_in_n(gr.sizeof_gr_complex, 1,
fft_len, sc_select)
self.blocks_delay_2 = blocks.delay(gr.sizeof_gr_complex * 1, mp_delay)
self.blocks_delay_1 = blocks.delay(gr.sizeof_gr_complex * 1, cp_delay)
self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex * 1,
fft_len + fft_len // 4)
self.blocks_add_xx_0 = blocks.add_vcc(1)
self.analog_random_source_x_0 = blocks.vector_source_b(
list(map(int, numpy.random.randint(0, 255, 1000))), True)
self.analog_frequency_modulator_fc_0 = analog.frequency_modulator_fc(
-2.0 / fft_len)
##################################################
# Connections
##################################################
self.msg_connect((self.digital_packet_headerparser_b_0, 'header_data'),
(self.digital_header_payload_demux_0, 'header_data'))
self.connect((self.analog_frequency_modulator_fc_0, 0),
(self.blocks_multiply_xx_0, 0))
self.connect((self.analog_random_source_x_0, 0),
(self.blocks_stream_to_tagged_stream_0, 0))
self.connect((self.blocks_add_xx_0, 0), (self.blocks_delay_0, 0))
self.connect((self.blocks_add_xx_0, 0),
(self.digital_ofdm_sync_sc_cfb_0, 0))
self.connect((self.blocks_delay_0, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_delay_1, 0),
(self.blocks_stream_to_vector_0, 0))
self.connect((self.blocks_delay_2, 0),
(self.blocks_multiply_const_vxx_1, 0))
self.connect((self.blocks_keep_m_in_n_0, 0),
(self.qtgui_const_sink_x_0_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.iio_pluto_sink_0, 0))
self.connect((self.blocks_multiply_const_vxx_1, 0),
(self.blocks_add_xx_0, 1))
self.connect((self.blocks_multiply_xx_0, 0),
(self.digital_header_payload_demux_0, 0))
self.connect((self.blocks_repack_bits_bb_0, 0),
(self.digital_crc32_bb_0, 0))
self.connect((self.blocks_stream_to_tagged_stream_0, 0),
(self.digital_ofdm_tx_0, 0))
self.connect((self.blocks_stream_to_vector_0, 0), (self.fft_vxx_1, 0))
self.connect((self.blocks_vector_to_stream_0_0, 0),
(self.blocks_delay_1, 0))
self.connect((self.blocks_vector_to_stream_0_0, 0),
(self.qtgui_freq_sink_x_0, 0))
self.connect((self.blocks_vector_to_stream_0_0_1, 0),
(self.blocks_keep_m_in_n_0, 0))
self.connect((self.blocks_vector_to_stream_0_0_1, 0),
(self.qtgui_const_sink_x_0_1, 0))
self.connect((self.digital_constellation_decoder_cb_0, 0),
(self.digital_packet_headerparser_b_0, 0))
self.connect((self.digital_constellation_decoder_cb_1, 0),
(self.blocks_repack_bits_bb_0, 0))
self.connect((self.digital_crc32_bb_0, 0),
(self.blocks_tag_debug_1, 0))
self.connect((self.digital_header_payload_demux_0, 1),
(self.blocks_vector_to_stream_0_0, 0))
self.connect((self.digital_header_payload_demux_0, 0),
(self.fft_vxx_0, 0))
self.connect((self.digital_ofdm_chanest_vcvc_0, 0),
(self.digital_ofdm_frame_equalizer_vcvc_0, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_0, 0),
(self.digital_ofdm_serializer_vcc_header, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_1, 0),
(self.digital_ofdm_serializer_vcc_payload, 0))
self.connect((self.digital_ofdm_serializer_vcc_header, 0),
(self.digital_constellation_decoder_cb_0, 0))
self.connect((self.digital_ofdm_serializer_vcc_payload, 0),
(self.digital_constellation_decoder_cb_1, 0))
self.connect((self.digital_ofdm_serializer_vcc_payload, 0),
(self.qtgui_const_sink_x_0, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 0),
(self.analog_frequency_modulator_fc_0, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 1),
(self.digital_header_payload_demux_0, 1))
self.connect((self.digital_ofdm_tx_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.fft_vxx_0, 0),
(self.digital_ofdm_chanest_vcvc_0, 0))
self.connect((self.fft_vxx_1, 0),
(self.blocks_vector_to_stream_0_0_1, 0))
self.connect((self.fft_vxx_1, 0),
(self.digital_ofdm_frame_equalizer_vcvc_1, 0))
self.connect((self.iio_pluto_source_0, 0), (self.blocks_add_xx_0, 0))
self.connect((self.iio_pluto_source_0, 0), (self.blocks_delay_2, 0))
def __init__(self, fD=10, id_user=0):
gr.top_block.__init__(self, "Polar Coding with Coded Caching")
##################################################
# Parameters
##################################################
self.fD = fD
self.id_user = id_user
##################################################
# Variables
##################################################
self.snr = snr = 14 + 20 * numpy.log10(4)
self.pilot_symbols = pilot_symbols = ((
1,
1,
1,
-1,
), )
self.pilot_carriers = pilot_carriers = ((
-21,
-7,
7,
21,
), )
self.payload_mod = payload_mod = digital.constellation_qpsk()
self.packet_length_tag_key = packet_length_tag_key = "packet_len"
self.occupied_carriers = occupied_carriers = (
range(-26, -21) + range(-20, -7) + range(-6, 0) + range(1, 7) +
range(8, 21) + range(22, 27), )
self.length_tag_key = length_tag_key = "frame_len"
self.header_mod = header_mod = digital.constellation_bpsk()
self.fft_len = fft_len = 64
self.variance = variance = 1 / pow(10, snr / 10.0)
self.sync_word2 = sync_word2 = [
0, 0, 0, 0, 0, 0, -1, -1, -1, -1, 1, 1, -1, -1, -1, 1, -1, 1, 1, 1,
1, 1, -1, -1, -1, -1, -1, 1, -1, -1, 1, -1, 0, 1, -1, 1, 1, 1, -1,
1, 1, 1, -1, 1, 1, 1, 1, -1, 1, -1, -1, -1, 1, -1, 1, -1, -1, -1,
-1, 0, 0, 0, 0, 0
]
self.sync_word1 = sync_word1 = [
0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0.,
1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0.,
1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0.,
-1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
0., 0., 0., 0., 0.
]
self.small_packet_len = small_packet_len = 52
self.samp_rate = samp_rate = int(1e6)
self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe(
fft_len, payload_mod.base(), occupied_carriers, pilot_carriers,
pilot_symbols, 0, 1)
self.header_formatter = header_formatter = digital.packet_header_ofdm(
occupied_carriers,
n_syms=1,
len_tag_key=packet_length_tag_key,
frame_len_tag_key=length_tag_key,
bits_per_header_sym=header_mod.bits_per_symbol(),
bits_per_payload_sym=payload_mod.bits_per_symbol(),
scramble_header=False)
self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe(
fft_len, header_mod.base(), occupied_carriers, pilot_carriers,
pilot_symbols, 0, 1)
self.gain = gain = 25
self.freq = freq = 2450e6
self.coderate = coderate = [1, 2, 2, 3, 4]
self.Users = Users = 4
self.Nbfiles = Nbfiles = 20
self.NbStrgUsers = NbStrgUsers = 1
self.NbChuncks = NbChuncks = 200
self.N = N = 2048
##################################################
# Blocks
##################################################
self.zeromq_sub_source_0 = zeromq.sub_source(gr.sizeof_gr_complex, 1,
'tcp://localhost:5565',
100, False, -1)
self.zeromq_sub_msg_source_0_0_0 = zeromq.sub_msg_source(
'tcp://localhost:5575', 10)
self.zeromq_sub_msg_source_0_0 = zeromq.sub_msg_source(
'tcp://localhost:5555', 10)
self.projectCACHE_ofdm_frame_equalizer1_vcvc_0 = projectCACHE.ofdm_frame_equalizer1_vcvc(
fft_len, fft_len / 4, length_tag_key, True, occupied_carriers,
pilot_carriers, pilot_symbols, 0, True)
self.projectCACHE_PolarDec_b_0_0 = projectCACHE.PolarDec_b(
N, Nbfiles, NbChuncks, id_user, Users, small_packet_len, 42,
coderate[id_user], packet_length_tag_key)
self.projectCACHE_PC_Error_Rate_0_0 = projectCACHE.PC_Error_Rate(
id_user, 200)
self.fft_vxx_1 = fft.fft_vcc(fft_len, True, (), True, 1)
self.fft_vxx_0 = fft.fft_vcc(fft_len, True, (()), True, 1)
self.digital_probe_mpsk_snr_est_c_0 = digital.probe_mpsk_snr_est_c(
3, 1000, 0.0001)
self.digital_packet_headerparser_b_0 = digital.packet_headerparser_b(
header_formatter.base())
self.digital_ofdm_sync_sc_cfb_0 = digital.ofdm_sync_sc_cfb(
fft_len, fft_len / 4, False, 0.9)
self.digital_ofdm_serializer_vcc_payload_0 = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key, packet_length_tag_key,
1, '', True)
self.digital_ofdm_serializer_vcc_payload = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key, packet_length_tag_key,
1, '', True)
self.digital_ofdm_serializer_vcc_header = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key, '', 0, '', True)
self.digital_ofdm_frame_equalizer_vcvc_0 = digital.ofdm_frame_equalizer_vcvc(
header_equalizer.base(), fft_len / 4, length_tag_key, True, 1)
self.digital_ofdm_chanest_vcvc_0 = digital.ofdm_chanest_vcvc(
(sync_word1), (sync_word2), 1, 0, 3, False)
self.digital_header_payload_demux_0 = digital.header_payload_demux(
3,
fft_len,
fft_len / 4,
length_tag_key,
"",
True,
gr.sizeof_gr_complex,
"rx_time",
samp_rate,
(),
0,
)
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(
header_mod.base())
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex * 1,
fft_len + fft_len / 4)
self.analog_frequency_modulator_fc_0 = analog.frequency_modulator_fc(
-2.0 / fft_len)
##################################################
# Connections
##################################################
self.msg_connect((self.digital_packet_headerparser_b_0, 'header_data'),
(self.digital_header_payload_demux_0, 'header_data'))
self.msg_connect((self.digital_probe_mpsk_snr_est_c_0, 'snr'),
(self.projectCACHE_PC_Error_Rate_0_0, 'SNR'))
self.msg_connect((self.zeromq_sub_msg_source_0_0, 'out'),
(self.projectCACHE_PC_Error_Rate_0_0, 'BER_INFO'))
self.msg_connect((self.zeromq_sub_msg_source_0_0_0, 'out'),
(self.projectCACHE_PC_Error_Rate_0_0, 'CH_USE'))
self.connect((self.analog_frequency_modulator_fc_0, 0),
(self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_delay_0, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_multiply_xx_0, 0),
(self.digital_header_payload_demux_0, 0))
self.connect((self.digital_constellation_decoder_cb_0, 0),
(self.digital_packet_headerparser_b_0, 0))
self.connect((self.digital_header_payload_demux_0, 0),
(self.fft_vxx_0, 0))
self.connect((self.digital_header_payload_demux_0, 1),
(self.fft_vxx_1, 0))
self.connect((self.digital_ofdm_chanest_vcvc_0, 0),
(self.digital_ofdm_frame_equalizer_vcvc_0, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_0, 0),
(self.digital_ofdm_serializer_vcc_header, 0))
self.connect((self.digital_ofdm_serializer_vcc_header, 0),
(self.digital_constellation_decoder_cb_0, 0))
self.connect((self.digital_ofdm_serializer_vcc_payload, 0),
(self.projectCACHE_PolarDec_b_0_0, 0))
self.connect((self.digital_ofdm_serializer_vcc_payload_0, 0),
(self.digital_probe_mpsk_snr_est_c_0, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 0),
(self.analog_frequency_modulator_fc_0, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 1),
(self.digital_header_payload_demux_0, 1))
self.connect((self.fft_vxx_0, 0),
(self.digital_ofdm_chanest_vcvc_0, 0))
self.connect((self.fft_vxx_1, 0),
(self.digital_ofdm_serializer_vcc_payload_0, 0))
self.connect((self.fft_vxx_1, 0),
(self.projectCACHE_ofdm_frame_equalizer1_vcvc_0, 0))
self.connect((self.projectCACHE_ofdm_frame_equalizer1_vcvc_0, 0),
(self.digital_ofdm_serializer_vcc_payload, 0))
self.connect((self.zeromq_sub_source_0, 0), (self.blocks_delay_0, 0))
self.connect((self.zeromq_sub_source_0, 0),
(self.digital_ofdm_sync_sc_cfb_0, 0))
def __init__(self, corr_tag_delay=131):
gr.top_block.__init__(self, "Lab3 BER")
Qt.QWidget.__init__(self)
self.setWindowTitle("Lab3 BER")
qtgui.util.check_set_qss()
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "lab3_ber")
try:
if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
self.restoreGeometry(
self.settings.value("geometry").toByteArray())
else:
self.restoreGeometry(self.settings.value("geometry"))
except:
pass
##################################################
# Parameters
##################################################
self.corr_tag_delay = corr_tag_delay
##################################################
# Variables
##################################################
self.rolloff = rolloff = 0.5
self.sps = sps = 4
self.snr_default = snr_default = 8.5
self.rolloff_ = rolloff_ = rolloff
self.payload_len = payload_len = 31
self.num_tag_key = num_tag_key = "packet_num"
self.nfilts_pfb = nfilts_pfb = 32
self.mark_delays = mark_delays = [0, 0, 34, 56, 87, 119]
self.len_tag_key = len_tag_key = "packet_length"
self.header_len = header_len = 32
self.cw_len = cw_len = 32
self.tag_s = tag_s = gr.tag_utils.python_to_tag(
(0, pmt.intern(len_tag_key), pmt.from_long(payload_len),
pmt.intern("vect_test_src")))
self.tag0 = tag0 = gr.tag_utils.python_to_tag(
(0, pmt.intern(len_tag_key), pmt.from_long(cw_len),
pmt.intern("vect_cw_src")))
self.sync_seq = sync_seq = [
1, 1, -1, 1, -1, 1, 1, 1, -1, -1, 1, -1, -1, -1, 1, -1, -1, 1, 1,
-1, 1, 1, -1, -1, -1, -1, 1, 1, -1, -1, 1, 1, 1, -1, -1, 1, 1, 1,
-1, -1, 1, -1, -1, 1, -1, 1, -1, 1, -1, -1, -1, 1, -1, 1, 1, -1,
-1, -1, 1, 1, 1, 1, 1, 1
]
self.snr_db = snr_db = snr_default
self.samp_rate = samp_rate = 1e3
self.rrc_filter = rrc_filter = firdes.root_raised_cosine(
4, sps, 1, rolloff_, 32 * sps + 1)
self.reset_ber = reset_ber = 0
self.pn_order = pn_order = np.round(np.log2(payload_len + 1))
self.pn6_padded = pn6_padded = [
1, 1, 1, 1, 1, 1, -1, 1, -1, 1, -1, 1, 1, -1, -1, 1, 1, -1, 1, 1,
1, -1, 1, 1, -1, 1, -1, -1, 1, -1, -1, 1, 1, 1, -1, -1, -1, 1, -1,
1, 1, 1, 1, -1, -1, 1, -1, 1, -1, -1, -1, 1, 1, -1, -1, -1, -1, 1,
-1, -1, -1 - 1 - 1, 0, 0, 0, 0, 0, 0, 0, 0, 0
]
self.pn6 = pn6 = [
1, 1, 1, 1, 1, 1, -1, 1, -1, 1, -1, 1, 1, -1, -1, 1, 1, -1, 1, 1,
1, -1, 1, 1, -1, 1, -1, -1, 1, -1, -1, 1, 1, 1, -1, -1, -1, 1, -1,
1, 1, 1, 1, -1, -1, 1, -1, 1, -1, -1, -1, 1, 1, -1, -1, -1, -1, 1,
-1, -1, -1 - 1 - 1
]
self.pn5 = pn5 = [
1, -1, 1, -1, 1, 1, 1, -1, 1, 1, -1, -1, -1, 1, 1, 1, 1, 1, -1, -1,
1, 1, -1, 1, -1, -1, 1, -1, -1, -1, -1
]
self.pi = pi = np.pi
self.pfb_filter = pfb_filter = firdes.root_raised_cosine(
nfilts_pfb, nfilts_pfb * sps, 1, rolloff_,
nfilts_pfb * 11 * sps + 1)
self.mark_delay = mark_delay = mark_delays[sps]
self.header_formatter_0 = header_formatter_0 = digital.packet_header_default(
header_len, len_tag_key, num_tag_key, 1)
self.header_formatter = header_formatter = digital.packet_header_default(
header_len, len_tag_key, num_tag_key, 1)
self.fc = fc = 900e6
self.const = const = digital.constellation_calcdist(
digital.psk_2()[0],
digital.psk_2()[1], 2, 1).base()
self.buffer_size = buffer_size = 32768
self.bFilter = bFilter = 1
self.agc_rate = agc_rate = 1e-4
##################################################
# Blocks
##################################################
self._snr_db_range = Range(0, 20, 0.5, snr_default, 200)
self._snr_db_win = RangeWidget(self._snr_db_range, self.set_snr_db,
'SNR (dB)', "counter_slider", float)
self.top_grid_layout.addWidget(self._snr_db_win)
self._rolloff__range = Range(0.01, 0.99, 0.01, rolloff, 200)
self._rolloff__win = RangeWidget(self._rolloff__range,
self.set_rolloff_, 'Beta (Excess BW)',
"counter_slider", float)
self.top_grid_layout.addWidget(self._rolloff__win)
_reset_ber_push_button = Qt.QPushButton('Reset BER')
_reset_ber_push_button = Qt.QPushButton('Reset BER')
self._reset_ber_choices = {'Pressed': 1, 'Released': 0}
_reset_ber_push_button.pressed.connect(
lambda: self.set_reset_ber(self._reset_ber_choices['Pressed']))
_reset_ber_push_button.released.connect(
lambda: self.set_reset_ber(self._reset_ber_choices['Released']))
self.top_grid_layout.addWidget(_reset_ber_push_button)
# Create the options list
self._bFilter_options = (
1,
2,
)
# Create the labels list
self._bFilter_labels = (
'Raised Cosine (Mis-Matched)',
'Root Raised Cosine (Matched)',
)
# Create the combo box
self._bFilter_tool_bar = Qt.QToolBar(self)
self._bFilter_tool_bar.addWidget(Qt.QLabel('TX Filter Select' + ": "))
self._bFilter_combo_box = Qt.QComboBox()
self._bFilter_tool_bar.addWidget(self._bFilter_combo_box)
for _label in self._bFilter_labels:
self._bFilter_combo_box.addItem(_label)
self._bFilter_callback = lambda i: Qt.QMetaObject.invokeMethod(
self._bFilter_combo_box, "setCurrentIndex",
Qt.Q_ARG("int", self._bFilter_options.index(i)))
self._bFilter_callback(self.bFilter)
self._bFilter_combo_box.currentIndexChanged.connect(
lambda i: self.set_bFilter(self._bFilter_options[i]))
# Create the radio buttons
self.top_grid_layout.addWidget(self._bFilter_tool_bar)
self._agc_rate_range = Range(1e-4, 1e-3, 1e-4, 1e-4, 200)
self._agc_rate_win = RangeWidget(self._agc_rate_range,
self.set_agc_rate, 'AGC Decay Rate',
"counter_slider", float)
self.top_grid_layout.addWidget(self._agc_rate_win)
self.wes_packet_tx_0 = wes_packet_tx(
cw_len=cw_len,
payload_len=payload_len,
samp_rate=samp_rate,
)
self.wes_ber_0 = wes.ber(1, reset_ber)
self.qtgui_number_sink_0_0 = qtgui.number_sink(gr.sizeof_float, 0,
qtgui.NUM_GRAPH_NONE, 1)
self.qtgui_number_sink_0_0.set_update_time(0.10)
self.qtgui_number_sink_0_0.set_title("# of Errors")
labels = ['', '', '', '', '', '', '', '', '', '']
units = ['', '', '', '', '', '', '', '', '', '']
colors = [("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black")]
factor = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
for i in range(1):
self.qtgui_number_sink_0_0.set_min(i, -1)
self.qtgui_number_sink_0_0.set_max(i, 1)
self.qtgui_number_sink_0_0.set_color(i, colors[i][0], colors[i][1])
if len(labels[i]) == 0:
self.qtgui_number_sink_0_0.set_label(i, "Data {0}".format(i))
else:
self.qtgui_number_sink_0_0.set_label(i, labels[i])
self.qtgui_number_sink_0_0.set_unit(i, units[i])
self.qtgui_number_sink_0_0.set_factor(i, factor[i])
self.qtgui_number_sink_0_0.enable_autoscale(False)
self._qtgui_number_sink_0_0_win = sip.wrapinstance(
self.qtgui_number_sink_0_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_number_sink_0_0_win)
self.qtgui_number_sink_0 = qtgui.number_sink(gr.sizeof_float, 0,
qtgui.NUM_GRAPH_HORIZ, 1)
self.qtgui_number_sink_0.set_update_time(0.10)
self.qtgui_number_sink_0.set_title("BER")
labels = ['', '', '', '', '', '', '', '', '', '']
units = ['', '', '', '', '', '', '', '', '', '']
colors = [("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black")]
factor = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
for i in range(1):
self.qtgui_number_sink_0.set_min(i, -1)
self.qtgui_number_sink_0.set_max(i, 1)
self.qtgui_number_sink_0.set_color(i, colors[i][0], colors[i][1])
if len(labels[i]) == 0:
self.qtgui_number_sink_0.set_label(i, "Data {0}".format(i))
else:
self.qtgui_number_sink_0.set_label(i, labels[i])
self.qtgui_number_sink_0.set_unit(i, units[i])
self.qtgui_number_sink_0.set_factor(i, factor[i])
self.qtgui_number_sink_0.enable_autoscale(False)
self._qtgui_number_sink_0_win = sip.wrapinstance(
self.qtgui_number_sink_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_number_sink_0_win)
self.qtgui_const_sink_x_0 = qtgui.const_sink_c(
1024, #size
"", #name
2 #number of inputs
)
self.qtgui_const_sink_x_0.set_update_time(0.10)
self.qtgui_const_sink_x_0.set_y_axis(-2, 2)
self.qtgui_const_sink_x_0.set_x_axis(-2, 2)
self.qtgui_const_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS, 0.0,
0, "")
self.qtgui_const_sink_x_0.enable_autoscale(False)
self.qtgui_const_sink_x_0.enable_grid(True)
self.qtgui_const_sink_x_0.enable_axis_labels(True)
labels = ['', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "red", "red", "red", "red", "red", "red", "red",
"red"
]
styles = [0, 1, 0, 0, 0, 0, 0, 0, 0, 0]
markers = [0, -1, 0, 0, 0, 0, 0, 0, 0, 0]
alphas = [1.0, 0.5, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in range(2):
if len(labels[i]) == 0:
self.qtgui_const_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_const_sink_x_0.set_line_label(i, labels[i])
self.qtgui_const_sink_x_0.set_line_width(i, widths[i])
self.qtgui_const_sink_x_0.set_line_color(i, colors[i])
self.qtgui_const_sink_x_0.set_line_style(i, styles[i])
self.qtgui_const_sink_x_0.set_line_marker(i, markers[i])
self.qtgui_const_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_const_sink_x_0_win = sip.wrapinstance(
self.qtgui_const_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_win)
self.pulse_shape_hier_0 = pulse_shape_hier(
bFilter=bFilter,
rect_taps=(1, 1, 1, 1),
roll_off=rolloff_,
sps=sps,
)
self.iio_pluto_source_0 = iio.pluto_source('', int(fc),
int(samp_rate * 1e3),
20000000, buffer_size, True,
True, True, 'manual', 18,
'', True)
self.iio_pluto_sink_0 = iio.pluto_sink('', int(fc),
int(samp_rate * 1e3), 20000000,
buffer_size, False, 10.0, '',
True)
self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(
sps, 2 * pi / 200, pfb_filter, nfilts_pfb, int(nfilts_pfb / 2),
0.5, 1)
self.digital_packet_headerparser_b_0_0 = digital.packet_headerparser_b(
header_formatter.formatter())
self.digital_header_payload_demux_0 = digital.header_payload_demux(
header_len, 1, 0, "packet_length", "corr_est", False,
gr.sizeof_gr_complex, "rx_time", 1, (), 0)
self.digital_glfsr_source_x_0 = digital.glfsr_source_b(
int(pn_order), True, 0, 1)
self.digital_diff_decoder_bb_0_0 = digital.diff_decoder_bb(2)
self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2)
self.digital_costas_loop_cc_0 = digital.costas_loop_cc(
2 * pi / 200, 2, False)
self.digital_corr_est_cc_0 = digital.corr_est_cc(
pn6_padded, 1, 64, 0.7, digital.THRESHOLD_ABSOLUTE)
self.digital_constellation_decoder_cb_0_0_0_0_0 = digital.constellation_decoder_cb(
const)
self.digital_constellation_decoder_cb_0_0_0_0 = digital.constellation_decoder_cb(
const)
self.blocks_add_xx_0 = blocks.add_vcc(1)
self.analog_noise_source_x_0 = analog.noise_source_c(
analog.GR_GAUSSIAN,
np.sqrt(2) * np.sqrt(0.5 / np.power(10, snr_db / 10)), 0)
self.analog_agc_xx_0 = analog.agc_cc(agc_rate, 1.0, 1.0)
self.analog_agc_xx_0.set_max_gain(65536)
##################################################
# Connections
##################################################
self.msg_connect(
(self.digital_packet_headerparser_b_0_0, 'header_data'),
(self.digital_header_payload_demux_0, 'header_data'))
self.connect((self.analog_agc_xx_0, 0),
(self.digital_costas_loop_cc_0, 0))
self.connect((self.analog_noise_source_x_0, 0),
(self.blocks_add_xx_0, 0))
self.connect((self.blocks_add_xx_0, 0),
(self.digital_constellation_decoder_cb_0_0_0_0_0, 0))
self.connect((self.blocks_add_xx_0, 0), (self.qtgui_const_sink_x_0, 0))
self.connect((self.blocks_add_xx_0, 0), (self.qtgui_const_sink_x_0, 1))
self.connect((self.digital_constellation_decoder_cb_0_0_0_0, 0),
(self.digital_diff_decoder_bb_0, 0))
self.connect((self.digital_constellation_decoder_cb_0_0_0_0_0, 0),
(self.digital_diff_decoder_bb_0_0, 0))
self.connect((self.digital_corr_est_cc_0, 0),
(self.digital_header_payload_demux_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0),
(self.digital_pfb_clock_sync_xxx_0, 0))
self.connect((self.digital_diff_decoder_bb_0, 0),
(self.digital_packet_headerparser_b_0_0, 0))
self.connect((self.digital_diff_decoder_bb_0_0, 0),
(self.wes_ber_0, 0))
self.connect((self.digital_glfsr_source_x_0, 0), (self.wes_ber_0, 1))
self.connect((self.digital_glfsr_source_x_0, 0),
(self.wes_packet_tx_0, 0))
self.connect((self.digital_header_payload_demux_0, 1),
(self.blocks_add_xx_0, 1))
self.connect((self.digital_header_payload_demux_0, 0),
(self.digital_constellation_decoder_cb_0_0_0_0, 0))
self.connect((self.digital_pfb_clock_sync_xxx_0, 0),
(self.digital_corr_est_cc_0, 0))
self.connect((self.iio_pluto_source_0, 0), (self.analog_agc_xx_0, 0))
self.connect((self.pulse_shape_hier_0, 0), (self.iio_pluto_sink_0, 0))
self.connect((self.wes_ber_0, 0), (self.qtgui_number_sink_0, 0))
self.connect((self.wes_ber_0, 1), (self.qtgui_number_sink_0_0, 0))
self.connect((self.wes_packet_tx_0, 0), (self.pulse_shape_hier_0, 0))
def __init__(self):
gr.top_block.__init__(self, "OFDM Rx")
Qt.QWidget.__init__(self)
self.setWindowTitle("OFDM Rx")
qtgui.util.check_set_qss()
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "rx_ofdm")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.pilot_symbols = pilot_symbols = ((
1,
1,
1,
-1,
), )
self.pilot_carriers = pilot_carriers = ((
-21,
-7,
7,
21,
), )
self.payload_mod = payload_mod = digital.constellation_qpsk()
self.packet_length_tag_key = packet_length_tag_key = "packet_len"
self.occupied_carriers = occupied_carriers = (
range(-26, -21) + range(-20, -7) + range(-6, 0) + range(1, 7) +
range(8, 21) + range(22, 27), )
self.length_tag_key = length_tag_key = "frame_len"
self.header_mod = header_mod = digital.constellation_bpsk()
self.fft_len = fft_len = 64
self.sync_word2 = sync_word2 = [
0j, 0j, 0j, 0j, 0j, 0j, (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j),
(1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j),
(-1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j),
(-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j),
(-1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), 0j, (1 + 0j), (-1 + 0j),
(1 + 0j), (1 + 0j), (1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j),
(1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j),
(-1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j),
(-1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j),
0j, 0j, 0j, 0j, 0j
]
self.sync_word1 = sync_word1 = [
0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0.,
1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0.,
1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0.,
-1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
0., 0., 0., 0., 0.
]
self.samp_rate = samp_rate = 500000
self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe(
fft_len, payload_mod.base(), occupied_carriers, pilot_carriers,
pilot_symbols, 1)
self.packet_len = packet_len = 96
self.header_formatter = header_formatter = digital.packet_header_ofdm(
occupied_carriers,
n_syms=1,
len_tag_key=packet_length_tag_key,
frame_len_tag_key=length_tag_key,
bits_per_header_sym=header_mod.bits_per_symbol(),
bits_per_payload_sym=payload_mod.bits_per_symbol(),
scramble_header=False)
self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe(
fft_len, header_mod.base(), occupied_carriers, pilot_carriers,
pilot_symbols)
##################################################
# Blocks
##################################################
self.uhd_usrp_source_0 = uhd.usrp_source(
",".join(("", "")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_source_0.set_samp_rate(samp_rate)
self.uhd_usrp_source_0.set_center_freq(2e9, 0)
self.uhd_usrp_source_0.set_gain(30, 0)
self.uhd_usrp_source_0.set_antenna('RX2', 0)
self.qtgui_time_sink_x_1 = qtgui.time_sink_f(
20, #size
samp_rate, #samp_rate
"", #name
1 #number of inputs
)
self.qtgui_time_sink_x_1.set_update_time(0.10)
self.qtgui_time_sink_x_1.set_y_axis(-1, 1)
self.qtgui_time_sink_x_1.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_1.enable_tags(-1, True)
self.qtgui_time_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS, 0.0, 0,
0, "")
self.qtgui_time_sink_x_1.enable_autoscale(True)
self.qtgui_time_sink_x_1.enable_grid(False)
self.qtgui_time_sink_x_1.enable_axis_labels(True)
self.qtgui_time_sink_x_1.enable_control_panel(False)
if not True:
self.qtgui_time_sink_x_1.disable_legend()
labels = ['', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "blue"
]
styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_time_sink_x_1.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_1.set_line_label(i, labels[i])
self.qtgui_time_sink_x_1.set_line_width(i, widths[i])
self.qtgui_time_sink_x_1.set_line_color(i, colors[i])
self.qtgui_time_sink_x_1.set_line_style(i, styles[i])
self.qtgui_time_sink_x_1.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_1.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_1_win = sip.wrapinstance(
self.qtgui_time_sink_x_1.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_time_sink_x_1_win)
self.qtgui_time_sink_x_0_0 = qtgui.time_sink_f(
200, #size
samp_rate, #samp_rate
"", #name
1 #number of inputs
)
self.qtgui_time_sink_x_0_0.set_update_time(0.10)
self.qtgui_time_sink_x_0_0.set_y_axis(-1, 2)
self.qtgui_time_sink_x_0_0.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_0_0.enable_tags(-1, True)
self.qtgui_time_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS, 0.0,
0, 0, "")
self.qtgui_time_sink_x_0_0.enable_autoscale(True)
self.qtgui_time_sink_x_0_0.enable_grid(False)
self.qtgui_time_sink_x_0_0.enable_axis_labels(True)
self.qtgui_time_sink_x_0_0.enable_control_panel(False)
if not True:
self.qtgui_time_sink_x_0_0.disable_legend()
labels = ['', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "blue"
]
styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_time_sink_x_0_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_0_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_0_win = sip.wrapinstance(
self.qtgui_time_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_time_sink_x_0_0_win)
self.meu_qpsk_demod_adapt_cb_0 = meu.qpsk_demod_adapt_cb()
self.meu_phase_finder_vci_0 = meu.phase_finder_vci(
fft_len / 4, fft_len)
self.fft_vxx_1 = fft.fft_vcc(fft_len, True, (), True, 1)
self.fft_vxx_0 = fft.fft_vcc(fft_len, True, (()), True, 1)
self.digital_packet_headerparser_b_0 = digital.packet_headerparser_b(
header_formatter.base())
self.digital_ofdm_sync_sc_cfb_0 = digital.ofdm_sync_sc_cfb(
fft_len, fft_len / 4, False)
self.digital_ofdm_serializer_vcc_payload = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key, packet_length_tag_key,
1, '', True)
self.digital_ofdm_serializer_vcc_header = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key, '', 0, '', True)
self.digital_ofdm_frame_equalizer_vcvc_1 = digital.ofdm_frame_equalizer_vcvc(
payload_equalizer.base(), fft_len / 4, length_tag_key, True, 0)
self.digital_ofdm_frame_equalizer_vcvc_0 = digital.ofdm_frame_equalizer_vcvc(
header_equalizer.base(), fft_len / 4, length_tag_key, True, 1)
self.digital_ofdm_chanest_vcvc_0 = digital.ofdm_chanest_vcvc(
(sync_word1), (sync_word2), 1, 0, 3, False)
self.digital_header_payload_demux_0 = digital.header_payload_demux(
3,
fft_len,
fft_len / 4,
length_tag_key,
"",
True,
gr.sizeof_gr_complex,
"rx_time",
samp_rate,
(),
0,
)
self.digital_crc32_bb_0_0 = digital.crc32_bb(True,
packet_length_tag_key,
False)
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(
header_mod.base())
self.blocks_uchar_to_float_0_0 = blocks.uchar_to_float()
self.blocks_tag_debug_1 = blocks.tag_debug(gr.sizeof_char * 1,
'Rx Bytes', "")
self.blocks_tag_debug_1.set_display(True)
self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb(
payload_mod.bits_per_symbol(), 8, packet_length_tag_key, True,
gr.GR_LSB_FIRST)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_int_to_float_0 = blocks.int_to_float(1, 1)
self.blocks_file_sink_0 = blocks.file_sink(
gr.sizeof_char * 1, '/home/jdmarques/prefix/testeteste.txt', False)
self.blocks_file_sink_0.set_unbuffered(False)
self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex * 1,
fft_len + fft_len / 4)
self.analog_frequency_modulator_fc_0 = analog.frequency_modulator_fc(
-2.0 / fft_len)
self.analog_const_source_x_0 = analog.sig_source_i(
0, analog.GR_CONST_WAVE, 0, 0, 1)
##################################################
# Connections
##################################################
self.msg_connect((self.digital_packet_headerparser_b_0, 'header_data'),
(self.digital_header_payload_demux_0, 'header_data'))
self.connect((self.analog_const_source_x_0, 0),
(self.meu_qpsk_demod_adapt_cb_0, 1))
self.connect((self.analog_frequency_modulator_fc_0, 0),
(self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_delay_0, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_int_to_float_0, 0),
(self.qtgui_time_sink_x_1, 0))
self.connect((self.blocks_multiply_xx_0, 0),
(self.digital_header_payload_demux_0, 0))
self.connect((self.blocks_repack_bits_bb_0_0, 0),
(self.blocks_uchar_to_float_0_0, 0))
self.connect((self.blocks_repack_bits_bb_0_0, 0),
(self.digital_crc32_bb_0_0, 0))
self.connect((self.blocks_uchar_to_float_0_0, 0),
(self.qtgui_time_sink_x_0_0, 0))
self.connect((self.digital_constellation_decoder_cb_0, 0),
(self.digital_packet_headerparser_b_0, 0))
self.connect((self.digital_crc32_bb_0_0, 0),
(self.blocks_file_sink_0, 0))
self.connect((self.digital_crc32_bb_0_0, 0),
(self.blocks_tag_debug_1, 0))
self.connect((self.digital_header_payload_demux_0, 0),
(self.fft_vxx_0, 0))
self.connect((self.digital_header_payload_demux_0, 1),
(self.fft_vxx_1, 0))
self.connect((self.digital_ofdm_chanest_vcvc_0, 0),
(self.digital_ofdm_frame_equalizer_vcvc_0, 0))
self.connect((self.digital_ofdm_chanest_vcvc_0, 0),
(self.meu_phase_finder_vci_0, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_0, 0),
(self.digital_ofdm_serializer_vcc_header, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_1, 0),
(self.digital_ofdm_serializer_vcc_payload, 0))
self.connect((self.digital_ofdm_serializer_vcc_header, 0),
(self.digital_constellation_decoder_cb_0, 0))
self.connect((self.digital_ofdm_serializer_vcc_payload, 0),
(self.meu_qpsk_demod_adapt_cb_0, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 0),
(self.analog_frequency_modulator_fc_0, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 1),
(self.digital_header_payload_demux_0, 1))
self.connect((self.fft_vxx_0, 0),
(self.digital_ofdm_chanest_vcvc_0, 0))
self.connect((self.fft_vxx_1, 0),
(self.digital_ofdm_frame_equalizer_vcvc_1, 0))
self.connect((self.meu_phase_finder_vci_0, 0),
(self.blocks_int_to_float_0, 0))
self.connect((self.meu_qpsk_demod_adapt_cb_0, 0),
(self.blocks_repack_bits_bb_0_0, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.blocks_delay_0, 0))
self.connect((self.uhd_usrp_source_0, 0),
(self.digital_ofdm_sync_sc_cfb_0, 0))
def __init__(self, samp_rate=10000):
gr.hier_block2.__init__(
self,
"Sync Radio Hier Grc",
gr.io_signaturev(2, 2,
[gr.sizeof_char * 1, gr.sizeof_gr_complex * 1]),
gr.io_signaturev(2, 2,
[gr.sizeof_char * 1, gr.sizeof_gr_complex * 1]),
)
##################################################
# Parameters
##################################################
self.samp_rate = samp_rate
##################################################
# Variables
##################################################
self.sync_word2 = sync_word2 = [
0j, 0j, 0j, 0j, 0j, 0j, 0j, 0j, 0j, 0j, 0j, 0j, 0j, 0j, 0j, 0j,
(1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j),
(1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j),
(-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j), 0j, (1 + 0j), (-1 + 0j),
(1 + 0j), (1 + 0j), (1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j),
(1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j),
(-1 + 0j), 0j, 0j, 0j, 0j, 0j, 0j, 0j, 0j, 0j, 0j, 0j, 0j, 0j, 0j,
0j, 0j
]
self.sync_word1 = sync_word1 = [
0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0,
0.0, 0.0, 0.0, 0.0, 1.42, 0.0, -1.42, 0.0, 1.42, 0.0, 1.42, 0.0,
1.42, 0.0, 1.42, 0.0, -1.42, 0.0, 1.42, 0.0, 1.42, 0.0, -1.42, 0.0,
1.42, 0.0, 1.42, 0.0, 1.42, 0.0, -1.42, 0.0, 1.42, 0.0, 1.42, 0.0,
0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0,
0.0, 0.0
]
self.pilot_symbols = pilot_symbols = ((
1,
-1,
), )
self.pilot_carriers = pilot_carriers = ((
-13,
12,
), )
self.payload_mod = payload_mod = digital.constellation_qpsk()
self.packet_length_tag_key = packet_length_tag_key = "packet_len"
self.occupied_carriers = occupied_carriers = ([
-16, -15, -14, -12, -11, -10, -9, -8, -7, -6, -5, -4, -3, -2, -1,
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15
], )
self.length_tag_key = length_tag_key = "frame_len"
self.header_mod = header_mod = digital.constellation_bpsk()
self.fft_len = fft_len = (len(sync_word1) + len(sync_word2)) / 2
self.rolloff = rolloff = 0
self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe(
fft_len, payload_mod.base(), occupied_carriers, pilot_carriers,
pilot_symbols, 1)
self.len_ocup_carr = len_ocup_carr = len(occupied_carriers[0])
self.header_formatter = header_formatter = digital.packet_header_ofdm(
occupied_carriers,
n_syms=1,
len_tag_key=packet_length_tag_key,
frame_len_tag_key=length_tag_key,
bits_per_header_sym=header_mod.bits_per_symbol(),
bits_per_payload_sym=payload_mod.bits_per_symbol(),
scramble_header=True)
self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe(
fft_len, header_mod.base(), occupied_carriers, pilot_carriers,
pilot_symbols)
self.forward_OOB = forward_OOB = [
0.005277622700213007, 0.03443705907448985, 0.1214101788557494,
0.29179662246081545, 0.52428014905364, 0.7350677973792328,
0.8210395030022875, 0.7350677973792348, 0.5242801490536404,
0.291796622460816, 0.1214101788557501, 0.03443705907448997,
0.005277622700213012
]
self.feedback_OOB = feedback_OOB = [
1.0, -1.0455317889337852, 3.9201525346250072, -3.9114761684448958,
6.54266144224035, -5.737287389902878, 5.820328302284336,
-4.134700802700442, 2.7949972248757664, -1.4584448495689168,
0.6358650797085171, -0.19847981428665007, 0.04200458351675313
]
self.cp_len = cp_len = fft_len / 4
self.active_carriers = active_carriers = len(occupied_carriers[0]) + 4
##################################################
# Blocks
##################################################
self.iir_filter_xxx_1 = filter.iir_filter_ccd((forward_OOB),
(feedback_OOB), False)
self.fft_vxx_txpath = fft.fft_vcc(fft_len, False, (()), True, 1)
self.fft_vxx_2_rxpath = fft.fft_vcc(fft_len, True, (), True, 1)
self.fft_vxx_1_rxpath = fft.fft_vcc(fft_len, True, (()), True, 1)
self.digital_packet_headerparser_b_rxpath = digital.packet_headerparser_b(
header_formatter.base())
self.digital_packet_headergenerator_bb_txpath = digital.packet_headergenerator_bb(
header_formatter.formatter(), "packet_len")
self.digital_ofdm_sync_sc_cfb_rxpath = digital.ofdm_sync_sc_cfb(
fft_len, fft_len / 4, False)
self.digital_ofdm_serializer_vcc_payload_rxpath = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key, packet_length_tag_key,
1, "", True)
self.digital_ofdm_serializer_vcc_header_rxpath = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key, "", 0, "", True)
self.digital_ofdm_frame_equalizer_vcvc_2_rxpath = digital.ofdm_frame_equalizer_vcvc(
payload_equalizer.base(), cp_len, length_tag_key, True, 0)
self.digital_ofdm_frame_equalizer_vcvc_1_rxpath = digital.ofdm_frame_equalizer_vcvc(
header_equalizer.base(), cp_len, length_tag_key, True, 1)
self.digital_ofdm_cyclic_prefixer_txpath = digital.ofdm_cyclic_prefixer(
fft_len, fft_len + cp_len, rolloff, packet_length_tag_key)
(self.digital_ofdm_cyclic_prefixer_txpath).set_min_output_buffer(24000)
self.digital_ofdm_chanest_vcvc_rxpath = digital.ofdm_chanest_vcvc(
(sync_word1), (sync_word2), 1, 0, 3, False)
self.digital_ofdm_carrier_allocator_cvc_txpath = digital.ofdm_carrier_allocator_cvc(
fft_len, occupied_carriers, pilot_carriers, pilot_symbols,
(sync_word1, sync_word2), packet_length_tag_key)
(self.digital_ofdm_carrier_allocator_cvc_txpath
).set_min_output_buffer(16000)
self.digital_header_payload_demux_rxpath = digital.header_payload_demux(
3,
fft_len,
cp_len,
length_tag_key,
"",
True,
gr.sizeof_gr_complex,
"rx_time",
samp_rate,
(),
)
#self.digital_crc32_bb_txpath = digital.crc32_bb(False, packet_length_tag_key)
#self.digital_crc32_bb_rxpath = digital.crc32_bb(True, packet_length_tag_key)
self.digital_constellation_decoder_cb_1_rxpath = digital.constellation_decoder_cb(
payload_mod.base())
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(
header_mod.base())
self.digital_chunks_to_symbols_x_txpath = digital.chunks_to_symbols_bc(
(payload_mod.points()), 1)
self.digital_chunks_to_symbols_txpath = digital.chunks_to_symbols_bc(
(header_mod.points()), 1)
self.blocks_tagged_stream_mux_txpath = blocks.tagged_stream_mux(
gr.sizeof_gr_complex * 1, packet_length_tag_key, 0)
(self.blocks_tagged_stream_mux_txpath).set_min_output_buffer(16000)
self.blocks_tag_gate_txpath = blocks.tag_gate(gr.sizeof_gr_complex * 1,
False)
self.blocks_repack_bits_bb_txpath = blocks.repack_bits_bb(
8, payload_mod.bits_per_symbol(), packet_length_tag_key, False)
self.blocks_repack_bits_bb_rxpath = blocks.repack_bits_bb(
payload_mod.bits_per_symbol(), 8, packet_length_tag_key, True)
self.blocks_multiply_xx_rxpath = blocks.multiply_vcc(1)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((.01, ))
self.blocks_delay_rxpath = blocks.delay(gr.sizeof_gr_complex * 1,
fft_len + fft_len / 4)
self.analog_frequency_modulator_fc_rxpath = analog.frequency_modulator_fc(
-2.0 / fft_len)
self.analog_agc2_xx_0 = analog.agc2_cc(1e-1, 1e-2, 1.0, 1.0)
self.analog_agc2_xx_0.set_max_gain(65536)
##################################################
# Connections
##################################################
self.connect((self.digital_ofdm_sync_sc_cfb_rxpath, 0),
(self.analog_frequency_modulator_fc_rxpath, 0))
self.connect((self.analog_agc2_xx_0, 0),
(self.digital_ofdm_sync_sc_cfb_rxpath, 0))
self.connect((self.analog_agc2_xx_0, 0), (self.blocks_delay_rxpath, 0))
self.connect((self.digital_packet_headergenerator_bb_txpath, 0),
(self.digital_chunks_to_symbols_txpath, 0))
self.connect((self.blocks_repack_bits_bb_txpath, 0),
(self.digital_chunks_to_symbols_x_txpath, 0))
self.connect((self.digital_chunks_to_symbols_txpath, 0),
(self.blocks_tagged_stream_mux_txpath, 0))
self.connect((self.digital_chunks_to_symbols_x_txpath, 0),
(self.blocks_tagged_stream_mux_txpath, 1))
self.connect((self.digital_ofdm_cyclic_prefixer_txpath, 0),
(self.blocks_tag_gate_txpath, 0))
self.connect((self.fft_vxx_txpath, 0),
(self.digital_ofdm_cyclic_prefixer_txpath, 0))
self.connect((self.blocks_tagged_stream_mux_txpath, 0),
(self.digital_ofdm_carrier_allocator_cvc_txpath, 0))
self.connect((self.digital_ofdm_carrier_allocator_cvc_txpath, 0),
(self.fft_vxx_txpath, 0))
self.connect((self.digital_header_payload_demux_rxpath, 0),
(self.fft_vxx_1_rxpath, 0))
self.connect((self.fft_vxx_1_rxpath, 0),
(self.digital_ofdm_chanest_vcvc_rxpath, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_1_rxpath, 0),
(self.digital_ofdm_serializer_vcc_header_rxpath, 0))
self.connect((self.digital_ofdm_chanest_vcvc_rxpath, 0),
(self.digital_ofdm_frame_equalizer_vcvc_1_rxpath, 0))
self.connect((self.digital_header_payload_demux_rxpath, 1),
(self.fft_vxx_2_rxpath, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_2_rxpath, 0),
(self.digital_ofdm_serializer_vcc_payload_rxpath, 0))
self.connect((self.fft_vxx_2_rxpath, 0),
(self.digital_ofdm_frame_equalizer_vcvc_2_rxpath, 0))
self.connect((self.digital_ofdm_serializer_vcc_payload_rxpath, 0),
(self.digital_constellation_decoder_cb_1_rxpath, 0))
self.connect((self.digital_constellation_decoder_cb_1_rxpath, 0),
(self.blocks_repack_bits_bb_rxpath, 0))
self.connect((self.digital_ofdm_serializer_vcc_header_rxpath, 0),
(self.digital_constellation_decoder_cb_0, 0))
self.connect((self.analog_frequency_modulator_fc_rxpath, 0),
(self.blocks_multiply_xx_rxpath, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_rxpath, 1),
(self.digital_header_payload_demux_rxpath, 1))
self.connect((self.blocks_multiply_xx_rxpath, 0),
(self.digital_header_payload_demux_rxpath, 0))
self.connect((self.blocks_delay_rxpath, 0),
(self.blocks_multiply_xx_rxpath, 1))
self.connect((self.digital_constellation_decoder_cb_0, 0),
(self.digital_packet_headerparser_b_rxpath, 0))
self.connect((self, 1), (self.analog_agc2_xx_0, 0))
self.connect((self.blocks_tag_gate_txpath, 0),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.iir_filter_xxx_1, 0), (self, 1))
'''
self.connect((self, 0), (self.digital_crc32_bb_txpath, 0))
self.connect((self.digital_crc32_bb_txpath, 0), (self.blocks_repack_bits_bb_txpath, 0))
self.connect((self.digital_crc32_bb_txpath, 0), (self.digital_packet_headergenerator_bb_txpath, 0))
'''
self.connect((self, 0), (self.blocks_repack_bits_bb_txpath, 0))
self.connect((self, 0),
(self.digital_packet_headergenerator_bb_txpath, 0))
'''
self.connect((self.blocks_repack_bits_bb_rxpath, 0), (self.digital_crc32_bb_rxpath, 0))
self.connect((self.digital_crc32_bb_rxpath, 0), (self, 0))
'''
self.connect((self.blocks_repack_bits_bb_rxpath, 0), (self, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.iir_filter_xxx_1, 0))
##################################################
# Asynch Message Connections
##################################################
self.msg_connect(self.digital_packet_headerparser_b_rxpath,
"header_data",
self.digital_header_payload_demux_rxpath,
"header_data")
def __init__(self):
gr.top_block.__init__(self, "SECUNDARY")
Qt.QWidget.__init__(self)
self.setWindowTitle("SECUNDARY")
qtgui.util.check_set_qss()
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "secundary")
try:
if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
self.restoreGeometry(
self.settings.value("geometry").toByteArray())
else:
self.restoreGeometry(self.settings.value("geometry"))
except:
pass
##################################################
# Variables
##################################################
self.pilot_symbols = pilot_symbols = ((
1,
1,
1,
-1,
), )
self.pilot_carriers = pilot_carriers = ((
-21,
-7,
7,
21,
), )
self.payload_mod = payload_mod = digital.constellation_bpsk()
self.packet_length_tag_key = packet_length_tag_key = "packet_len"
self.occupied_carriers = occupied_carriers = (
list(range(-26, -21)) + list(range(-20, -7)) + list(range(-6, 0)) +
list(range(1, 7)) + list(range(8, 21)) + list(range(22, 27)), )
self.length_tag_key = length_tag_key = "packet_len"
self.header_mod = header_mod = digital.constellation_bpsk()
self.fft_len = fft_len = 64
self.tx_gain = tx_gain = 50
self.sync_word2 = sync_word2 = [
0, 0, 0, 0, 0, 0, -1, -1, -1, -1, 1, 1, -1, -1, -1, 1, -1, 1, 1, 1,
1, 1, -1, -1, -1, -1, -1, 1, -1, -1, 1, -1, 0, 1, -1, 1, 1, 1, -1,
1, 1, 1, -1, 1, 1, 1, 1, -1, 1, -1, -1, -1, 1, -1, 1, -1, -1, -1,
-1, 0, 0, 0, 0, 0
]
self.sync_word1 = sync_word1 = [
0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0.,
1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0.,
1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0.,
-1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
0., 0., 0., 0., 0.
]
self.samp_rate = samp_rate = 1000000
self.rx_gain = rx_gain = 50
self.rolloff = rolloff = 0
self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe(
fft_len, payload_mod.base(), occupied_carriers, pilot_carriers,
pilot_symbols, 1)
self.header_formatter = header_formatter = digital.packet_header_ofdm(
occupied_carriers,
n_syms=1,
len_tag_key=packet_length_tag_key,
frame_len_tag_key=length_tag_key,
bits_per_header_sym=header_mod.bits_per_symbol(),
bits_per_payload_sym=payload_mod.bits_per_symbol(),
scramble_header=False)
self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe(
fft_len, header_mod.base(), occupied_carriers, pilot_carriers,
pilot_symbols)
self.hdr_format = hdr_format = digital.header_format_ofdm(
occupied_carriers,
1,
length_tag_key,
)
##################################################
# Blocks
##################################################
self._tx_gain_tool_bar = Qt.QToolBar(self)
self._tx_gain_tool_bar.addWidget(Qt.QLabel('tx_gain' + ": "))
self._tx_gain_line_edit = Qt.QLineEdit(str(self.tx_gain))
self._tx_gain_tool_bar.addWidget(self._tx_gain_line_edit)
self._tx_gain_line_edit.returnPressed.connect(lambda: self.set_tx_gain(
eng_notation.str_to_num(str(self._tx_gain_line_edit.text()))))
self.top_layout.addWidget(self._tx_gain_tool_bar)
self._rx_gain_tool_bar = Qt.QToolBar(self)
self._rx_gain_tool_bar.addWidget(Qt.QLabel('rx_gain' + ": "))
self._rx_gain_line_edit = Qt.QLineEdit(str(self.rx_gain))
self._rx_gain_tool_bar.addWidget(self._rx_gain_line_edit)
self._rx_gain_line_edit.returnPressed.connect(lambda: self.set_rx_gain(
eng_notation.str_to_num(str(self._rx_gain_line_edit.text()))))
self.top_layout.addWidget(self._rx_gain_tool_bar)
self.uhd_usrp_source_0_0_1 = uhd.usrp_source(
",".join(('serial=F5C243', "")),
uhd.stream_args(
cpu_format="fc32",
args='',
channels=list(range(0, 1)),
),
)
self.uhd_usrp_source_0_0_1.set_center_freq(2400000000, 0)
self.uhd_usrp_source_0_0_1.set_gain(rx_gain, 0)
self.uhd_usrp_source_0_0_1.set_antenna('RX2', 0)
self.uhd_usrp_source_0_0_1.set_samp_rate(samp_rate)
self.uhd_usrp_source_0_0_1.set_time_unknown_pps(uhd.time_spec())
self.uhd_usrp_source_0_0 = uhd.usrp_source(
",".join(('serial=F5C234', "")),
uhd.stream_args(
cpu_format="fc32",
args='',
channels=list(range(0, 1)),
),
)
self.uhd_usrp_source_0_0.set_center_freq(2450000000, 0)
self.uhd_usrp_source_0_0.set_gain(rx_gain, 0)
self.uhd_usrp_source_0_0.set_antenna('RX2', 0)
self.uhd_usrp_source_0_0.set_samp_rate(samp_rate)
self.uhd_usrp_source_0_0.set_time_unknown_pps(uhd.time_spec())
self.uhd_usrp_sink_0_0 = uhd.usrp_sink(
",".join(('serial=F5C234', "")),
uhd.stream_args(
cpu_format="fc32",
args='',
channels=list(range(0, 1)),
),
length_tag_key,
)
self.uhd_usrp_sink_0_0.set_center_freq(2400000000, 0)
self.uhd_usrp_sink_0_0.set_gain(tx_gain, 0)
self.uhd_usrp_sink_0_0.set_antenna('TX/RX', 0)
self.uhd_usrp_sink_0_0.set_samp_rate(samp_rate)
self.uhd_usrp_sink_0_0.set_time_unknown_pps(uhd.time_spec())
self.uhd_usrp_sink_0 = uhd.usrp_sink(
",".join(('serial=F5C243', "")),
uhd.stream_args(
cpu_format="fc32",
args='',
channels=list(range(0, 1)),
),
length_tag_key,
)
self.uhd_usrp_sink_0.set_center_freq(2450000000, 0)
self.uhd_usrp_sink_0.set_gain(tx_gain, 0)
self.uhd_usrp_sink_0.set_antenna('TX/RX', 0)
self.uhd_usrp_sink_0.set_samp_rate(samp_rate)
self.uhd_usrp_sink_0.set_time_unknown_pps(uhd.time_spec())
self.qtgui_sink_x_0_0 = qtgui.sink_c(
64, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
4000000000, #fc
50000, #bw
'SECUNDARY RX', #name
True, #plotfreq
True, #plotwaterfall
True, #plottime
True #plotconst
)
self.qtgui_sink_x_0_0.set_update_time(1.0 / 10)
self._qtgui_sink_x_0_0_win = sip.wrapinstance(
self.qtgui_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.qtgui_sink_x_0_0.enable_rf_freq(False)
self.top_layout.addWidget(self._qtgui_sink_x_0_0_win)
self.fft_vxx_1_0_0_0_0_0 = fft.fft_vcc(fft_len, True, (), True, 1)
self.fft_vxx_1_0_0_0_0 = fft.fft_vcc(fft_len, True, (), True, 1)
self.fft_vxx_0_0_0_0_0_0_0 = fft.fft_vcc(fft_len, True, (), True, 1)
self.fft_vxx_0_0_0_0_0_0 = fft.fft_vcc(fft_len, True, (), True, 1)
self.fft_vxx_0_0 = fft.fft_vcc(fft_len, False, (), True, 1)
self.fft_vxx_0 = fft.fft_vcc(fft_len, False, (), True, 1)
self.epy_block_0_0 = epy_block_0_0.mac()
self.epy_block_0 = epy_block_0.mac()
self.digital_protocol_formatter_bb_0_0 = digital.protocol_formatter_bb(
hdr_format, length_tag_key)
self.digital_protocol_formatter_bb_0 = digital.protocol_formatter_bb(
hdr_format, length_tag_key)
self.digital_packet_headerparser_b_0_0_0_0_0_0 = digital.packet_headerparser_b(
header_formatter.base())
self.digital_packet_headerparser_b_0_0_0_0_0 = digital.packet_headerparser_b(
header_formatter.base())
self.digital_ofdm_sync_sc_cfb_0_0_0_0_0_0 = digital.ofdm_sync_sc_cfb(
fft_len, fft_len // 4, False, 0.9)
self.digital_ofdm_sync_sc_cfb_0_0_0_0_0 = digital.ofdm_sync_sc_cfb(
fft_len, fft_len // 4, False, 0.9)
self.digital_ofdm_serializer_vcc_payload_0_0_0_0_0 = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key, packet_length_tag_key,
1, '', True)
self.digital_ofdm_serializer_vcc_payload_0_0_0_0 = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key, packet_length_tag_key,
1, '', True)
self.digital_ofdm_serializer_vcc_header_0_0_0_0_0 = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key, '', 0, '', True)
self.digital_ofdm_serializer_vcc_header_0_0_0_0 = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key, '', 0, '', True)
self.digital_ofdm_frame_equalizer_vcvc_1_0_0_0_0_0 = digital.ofdm_frame_equalizer_vcvc(
payload_equalizer.base(), fft_len // 4, length_tag_key, True, 0)
self.digital_ofdm_frame_equalizer_vcvc_1_0_0_0_0 = digital.ofdm_frame_equalizer_vcvc(
payload_equalizer.base(), fft_len // 4, length_tag_key, True, 0)
self.digital_ofdm_frame_equalizer_vcvc_0_0_0_0_0_0 = digital.ofdm_frame_equalizer_vcvc(
header_equalizer.base(), fft_len // 4, length_tag_key, True, 1)
self.digital_ofdm_frame_equalizer_vcvc_0_0_0_0_0 = digital.ofdm_frame_equalizer_vcvc(
header_equalizer.base(), fft_len // 4, length_tag_key, True, 1)
self.digital_ofdm_cyclic_prefixer_0_0 = digital.ofdm_cyclic_prefixer(
fft_len, fft_len + fft_len // 4, rolloff, length_tag_key)
self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer(
fft_len, fft_len + fft_len // 4, rolloff, length_tag_key)
self.digital_ofdm_chanest_vcvc_0_0_0_0_0_0 = digital.ofdm_chanest_vcvc(
sync_word1, sync_word2, 1, 0, 3, False)
self.digital_ofdm_chanest_vcvc_0_0_0_0_0 = digital.ofdm_chanest_vcvc(
sync_word1, sync_word2, 1, 0, 3, False)
self.digital_ofdm_carrier_allocator_cvc_0_0 = digital.ofdm_carrier_allocator_cvc(
fft_len, occupied_carriers, pilot_carriers, pilot_symbols,
(sync_word1, sync_word2), length_tag_key, True)
self.digital_ofdm_carrier_allocator_cvc_0 = digital.ofdm_carrier_allocator_cvc(
fft_len, occupied_carriers, pilot_carriers, pilot_symbols,
(sync_word1, sync_word2), length_tag_key, True)
self.digital_header_payload_demux_0_0_0_0_0_0 = digital.header_payload_demux(
3, fft_len, fft_len // 4, length_tag_key, "", True,
gr.sizeof_gr_complex, "rx_time", samp_rate, (), 0)
self.digital_header_payload_demux_0_0_0_0_0 = digital.header_payload_demux(
3, fft_len, fft_len // 4, length_tag_key, "", True,
gr.sizeof_gr_complex, "rx_time", samp_rate, (), 0)
self.digital_constellation_decoder_cb_1_0_0_0_0_0 = digital.constellation_decoder_cb(
payload_mod.base())
self.digital_constellation_decoder_cb_1_0_0_0_0 = digital.constellation_decoder_cb(
payload_mod.base())
self.digital_constellation_decoder_cb_0_0_0_0_0_0 = digital.constellation_decoder_cb(
header_mod.base())
self.digital_constellation_decoder_cb_0_0_0_0_0 = digital.constellation_decoder_cb(
header_mod.base())
self.digital_chunks_to_symbols_xx_0_1 = digital.chunks_to_symbols_bc(
header_mod.points(), 1)
self.digital_chunks_to_symbols_xx_0_0_0 = digital.chunks_to_symbols_bc(
payload_mod.points(), 1)
self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc(
payload_mod.points(), 1)
self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc(
header_mod.points(), 1)
self.blocks_tagged_stream_to_pdu_0_0_0_0 = blocks.tagged_stream_to_pdu(
blocks.byte_t, length_tag_key)
self.blocks_tagged_stream_to_pdu_0_0_0 = blocks.tagged_stream_to_pdu(
blocks.byte_t, length_tag_key)
self.blocks_tagged_stream_mux_0_0 = blocks.tagged_stream_mux(
gr.sizeof_gr_complex * 1, length_tag_key, 0)
self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux(
gr.sizeof_gr_complex * 1, length_tag_key, 0)
self.blocks_tag_gate_0_0 = blocks.tag_gate(gr.sizeof_gr_complex * 1,
True)
self.blocks_tag_gate_0_0.set_single_key("")
self.blocks_tag_gate_0 = blocks.tag_gate(gr.sizeof_gr_complex * 1,
True)
self.blocks_tag_gate_0.set_single_key("")
self.blocks_repack_bits_bb_0_2_0 = blocks.repack_bits_bb(
8, payload_mod.bits_per_symbol(), length_tag_key, False,
gr.GR_LSB_FIRST)
self.blocks_repack_bits_bb_0_2 = blocks.repack_bits_bb(
8, payload_mod.bits_per_symbol(), length_tag_key, False,
gr.GR_LSB_FIRST)
self.blocks_repack_bits_bb_0_1_0_0_0_0_0 = blocks.repack_bits_bb(
payload_mod.bits_per_symbol(), 8, packet_length_tag_key, True,
gr.GR_LSB_FIRST)
self.blocks_repack_bits_bb_0_1_0_0_0_0 = blocks.repack_bits_bb(
payload_mod.bits_per_symbol(), 8, packet_length_tag_key, True,
gr.GR_LSB_FIRST)
self.blocks_repack_bits_bb_0_0_1_0 = blocks.repack_bits_bb(
8, 1, length_tag_key, False, gr.GR_LSB_FIRST)
self.blocks_repack_bits_bb_0_0_1 = blocks.repack_bits_bb(
8, 1, length_tag_key, False, gr.GR_LSB_FIRST)
self.blocks_pdu_to_tagged_stream_0_0_0 = blocks.pdu_to_tagged_stream(
blocks.byte_t, length_tag_key)
self.blocks_pdu_to_tagged_stream_0_0 = blocks.pdu_to_tagged_stream(
blocks.byte_t, length_tag_key)
self.blocks_multiply_xx_0_0_0_0_0_0 = blocks.multiply_vcc(1)
self.blocks_multiply_xx_0_0_0_0_0 = blocks.multiply_vcc(1)
self.blocks_multiply_const_vxx_0_0 = blocks.multiply_const_cc(50e-3)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_cc(50e-3)
self.blocks_message_strobe_0 = blocks.message_strobe(
pmt.intern("TEST"), 1000)
self.blocks_message_debug_0 = blocks.message_debug()
self.blocks_delay_0_0_0_0_0_0 = blocks.delay(gr.sizeof_gr_complex * 1,
fft_len + fft_len // 4)
self.blocks_delay_0_0_0_0_0 = blocks.delay(gr.sizeof_gr_complex * 1,
fft_len + fft_len // 4)
self.analog_frequency_modulator_fc_0_0_0_0_0_0 = analog.frequency_modulator_fc(
-2.0 / fft_len)
self.analog_frequency_modulator_fc_0_0_0_0_0 = analog.frequency_modulator_fc(
-2.0 / fft_len)
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_message_strobe_0, 'strobe'),
(self.epy_block_0_0, 'time_unit'))
self.msg_connect((self.blocks_tagged_stream_to_pdu_0_0_0, 'pdus'),
(self.blocks_message_debug_0, 'print_pdu'))
self.msg_connect((self.blocks_tagged_stream_to_pdu_0_0_0, 'pdus'),
(self.epy_block_0_0, 'ack'))
self.msg_connect((self.blocks_tagged_stream_to_pdu_0_0_0_0, 'pdus'),
(self.epy_block_0, 'packet'))
self.msg_connect(
(self.digital_packet_headerparser_b_0_0_0_0_0, 'header_data'),
(self.digital_header_payload_demux_0_0_0_0_0, 'header_data'))
self.msg_connect(
(self.digital_packet_headerparser_b_0_0_0_0_0_0, 'header_data'),
(self.digital_header_payload_demux_0_0_0_0_0_0, 'header_data'))
self.msg_connect((self.epy_block_0, 'ack'),
(self.blocks_pdu_to_tagged_stream_0_0, 'pdus'))
self.msg_connect((self.epy_block_0_0, 'transmit_packet'),
(self.blocks_pdu_to_tagged_stream_0_0_0, 'pdus'))
self.msg_connect((self.epy_block_0_0, 'channel_up'),
(self.uhd_usrp_sink_0_0, 'command'))
self.msg_connect((self.epy_block_0_0, 'channel_down'),
(self.uhd_usrp_source_0_0, 'command'))
self.connect((self.analog_frequency_modulator_fc_0_0_0_0_0, 0),
(self.blocks_multiply_xx_0_0_0_0_0, 0))
self.connect((self.analog_frequency_modulator_fc_0_0_0_0_0_0, 0),
(self.blocks_multiply_xx_0_0_0_0_0_0, 0))
self.connect((self.blocks_delay_0_0_0_0_0, 0),
(self.blocks_multiply_xx_0_0_0_0_0, 1))
self.connect((self.blocks_delay_0_0_0_0_0_0, 0),
(self.blocks_multiply_xx_0_0_0_0_0_0, 1))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.blocks_tag_gate_0, 0))
self.connect((self.blocks_multiply_const_vxx_0_0, 0),
(self.blocks_tag_gate_0_0, 0))
self.connect((self.blocks_multiply_xx_0_0_0_0_0, 0),
(self.digital_header_payload_demux_0_0_0_0_0, 0))
self.connect((self.blocks_multiply_xx_0_0_0_0_0_0, 0),
(self.digital_header_payload_demux_0_0_0_0_0_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_0_0, 0),
(self.blocks_repack_bits_bb_0_2, 0))
self.connect((self.blocks_pdu_to_tagged_stream_0_0, 0),
(self.digital_protocol_formatter_bb_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_0_0_0, 0),
(self.blocks_repack_bits_bb_0_2_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_0_0_0, 0),
(self.digital_protocol_formatter_bb_0_0, 0))
self.connect((self.blocks_repack_bits_bb_0_0_1, 0),
(self.digital_chunks_to_symbols_xx_0, 0))
self.connect((self.blocks_repack_bits_bb_0_0_1_0, 0),
(self.digital_chunks_to_symbols_xx_0_1, 0))
self.connect((self.blocks_repack_bits_bb_0_1_0_0_0_0, 0),
(self.blocks_tagged_stream_to_pdu_0_0_0, 0))
self.connect((self.blocks_repack_bits_bb_0_1_0_0_0_0_0, 0),
(self.blocks_tagged_stream_to_pdu_0_0_0_0, 0))
self.connect((self.blocks_repack_bits_bb_0_2, 0),
(self.digital_chunks_to_symbols_xx_0_0, 0))
self.connect((self.blocks_repack_bits_bb_0_2_0, 0),
(self.digital_chunks_to_symbols_xx_0_0_0, 0))
self.connect((self.blocks_tag_gate_0, 0), (self.uhd_usrp_sink_0, 0))
self.connect((self.blocks_tag_gate_0_0, 0),
(self.uhd_usrp_sink_0_0, 0))
self.connect((self.blocks_tagged_stream_mux_0, 0),
(self.digital_ofdm_carrier_allocator_cvc_0, 0))
self.connect((self.blocks_tagged_stream_mux_0_0, 0),
(self.digital_ofdm_carrier_allocator_cvc_0_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_0, 0),
(self.blocks_tagged_stream_mux_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_0_0, 0),
(self.blocks_tagged_stream_mux_0, 1))
self.connect((self.digital_chunks_to_symbols_xx_0_0_0, 0),
(self.blocks_tagged_stream_mux_0_0, 1))
self.connect((self.digital_chunks_to_symbols_xx_0_1, 0),
(self.blocks_tagged_stream_mux_0_0, 0))
self.connect((self.digital_constellation_decoder_cb_0_0_0_0_0, 0),
(self.digital_packet_headerparser_b_0_0_0_0_0, 0))
self.connect((self.digital_constellation_decoder_cb_0_0_0_0_0_0, 0),
(self.digital_packet_headerparser_b_0_0_0_0_0_0, 0))
self.connect((self.digital_constellation_decoder_cb_1_0_0_0_0, 0),
(self.blocks_repack_bits_bb_0_1_0_0_0_0, 0))
self.connect((self.digital_constellation_decoder_cb_1_0_0_0_0_0, 0),
(self.blocks_repack_bits_bb_0_1_0_0_0_0_0, 0))
self.connect((self.digital_header_payload_demux_0_0_0_0_0, 0),
(self.fft_vxx_0_0_0_0_0_0, 0))
self.connect((self.digital_header_payload_demux_0_0_0_0_0, 1),
(self.fft_vxx_1_0_0_0_0, 0))
self.connect((self.digital_header_payload_demux_0_0_0_0_0_0, 0),
(self.fft_vxx_0_0_0_0_0_0_0, 0))
self.connect((self.digital_header_payload_demux_0_0_0_0_0_0, 1),
(self.fft_vxx_1_0_0_0_0_0, 0))
self.connect((self.digital_ofdm_carrier_allocator_cvc_0, 0),
(self.fft_vxx_0, 0))
self.connect((self.digital_ofdm_carrier_allocator_cvc_0_0, 0),
(self.fft_vxx_0_0, 0))
self.connect((self.digital_ofdm_chanest_vcvc_0_0_0_0_0, 0),
(self.digital_ofdm_frame_equalizer_vcvc_0_0_0_0_0, 0))
self.connect((self.digital_ofdm_chanest_vcvc_0_0_0_0_0_0, 0),
(self.digital_ofdm_frame_equalizer_vcvc_0_0_0_0_0_0, 0))
self.connect((self.digital_ofdm_cyclic_prefixer_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.digital_ofdm_cyclic_prefixer_0_0, 0),
(self.blocks_multiply_const_vxx_0_0, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_0_0_0_0_0, 0),
(self.digital_ofdm_serializer_vcc_header_0_0_0_0, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_0_0_0_0_0_0, 0),
(self.digital_ofdm_serializer_vcc_header_0_0_0_0_0, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_1_0_0_0_0, 0),
(self.digital_ofdm_serializer_vcc_payload_0_0_0_0, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_1_0_0_0_0_0, 0),
(self.digital_ofdm_serializer_vcc_payload_0_0_0_0_0, 0))
self.connect((self.digital_ofdm_serializer_vcc_header_0_0_0_0, 0),
(self.digital_constellation_decoder_cb_0_0_0_0_0, 0))
self.connect((self.digital_ofdm_serializer_vcc_header_0_0_0_0_0, 0),
(self.digital_constellation_decoder_cb_0_0_0_0_0_0, 0))
self.connect((self.digital_ofdm_serializer_vcc_payload_0_0_0_0, 0),
(self.digital_constellation_decoder_cb_1_0_0_0_0, 0))
self.connect((self.digital_ofdm_serializer_vcc_payload_0_0_0_0_0, 0),
(self.digital_constellation_decoder_cb_1_0_0_0_0_0, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0_0_0_0_0, 0),
(self.analog_frequency_modulator_fc_0_0_0_0_0, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0_0_0_0_0, 1),
(self.digital_header_payload_demux_0_0_0_0_0, 1))
self.connect((self.digital_ofdm_sync_sc_cfb_0_0_0_0_0_0, 0),
(self.analog_frequency_modulator_fc_0_0_0_0_0_0, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0_0_0_0_0_0, 1),
(self.digital_header_payload_demux_0_0_0_0_0_0, 1))
self.connect((self.digital_protocol_formatter_bb_0, 0),
(self.blocks_repack_bits_bb_0_0_1, 0))
self.connect((self.digital_protocol_formatter_bb_0_0, 0),
(self.blocks_repack_bits_bb_0_0_1_0, 0))
self.connect((self.fft_vxx_0, 0),
(self.digital_ofdm_cyclic_prefixer_0, 0))
self.connect((self.fft_vxx_0_0, 0),
(self.digital_ofdm_cyclic_prefixer_0_0, 0))
self.connect((self.fft_vxx_0_0_0_0_0_0, 0),
(self.digital_ofdm_chanest_vcvc_0_0_0_0_0, 0))
self.connect((self.fft_vxx_0_0_0_0_0_0_0, 0),
(self.digital_ofdm_chanest_vcvc_0_0_0_0_0_0, 0))
self.connect((self.fft_vxx_1_0_0_0_0, 0),
(self.digital_ofdm_frame_equalizer_vcvc_1_0_0_0_0, 0))
self.connect((self.fft_vxx_1_0_0_0_0_0, 0),
(self.digital_ofdm_frame_equalizer_vcvc_1_0_0_0_0_0, 0))
self.connect((self.uhd_usrp_source_0_0, 0),
(self.blocks_delay_0_0_0_0_0, 0))
self.connect((self.uhd_usrp_source_0_0, 0),
(self.digital_ofdm_sync_sc_cfb_0_0_0_0_0, 0))
self.connect((self.uhd_usrp_source_0_0, 0), (self.qtgui_sink_x_0_0, 0))
self.connect((self.uhd_usrp_source_0_0_1, 0),
(self.blocks_delay_0_0_0_0_0_0, 0))
self.connect((self.uhd_usrp_source_0_0_1, 0),
(self.digital_ofdm_sync_sc_cfb_0_0_0_0_0_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Simu Chaine")
Qt.QWidget.__init__(self)
self.setWindowTitle("Simu Chaine")
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "simu_chaine")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.pilot_symbols = pilot_symbols = ((
1,
1,
1,
-1,
), )
self.pilot_carriers = pilot_carriers = ((
-21,
-7,
7,
21,
), )
self.payload_mod = payload_mod = digital.constellation_qpsk()
self.packet_length_tag_key = packet_length_tag_key = "packet_len"
self.occupied_carriers = occupied_carriers = (
range(-26, -21) + range(-20, -7) + range(-6, 0) + range(1, 7) +
range(8, 21) + range(22, 27), )
self.length_tag_key = length_tag_key = "frame_len"
self.header_mod = header_mod = digital.constellation_bpsk()
self.fft_len = fft_len = 64
self.sync_word2 = sync_word2 = [
0j, 0j, 0j, 0j, 0j, 0j, (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j),
(1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j),
(-1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j),
(-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j),
(-1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), 0j, (1 + 0j), (-1 + 0j),
(1 + 0j), (1 + 0j), (1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j),
(1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j),
(-1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j),
(-1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j),
0j, 0j, 0j, 0j, 0j
]
self.sync_word1 = sync_word1 = [
0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0.,
1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0.,
1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0.,
-1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
0., 0., 0., 0., 0.
]
self.samp_rate = samp_rate = 5000000
self.rolloff = rolloff = 0
self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe(
fft_len, payload_mod.base(), occupied_carriers, pilot_carriers,
pilot_symbols, 1)
self.packet_len = packet_len = 96
self.header_formatter = header_formatter = digital.packet_header_ofdm(
occupied_carriers,
n_syms=1,
len_tag_key=packet_length_tag_key,
frame_len_tag_key=length_tag_key,
bits_per_header_sym=header_mod.bits_per_symbol(),
bits_per_payload_sym=payload_mod.bits_per_symbol(),
scramble_header=False)
self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe(
fft_len, header_mod.base(), occupied_carriers, pilot_carriers,
pilot_symbols)
##################################################
# Blocks
##################################################
self.uhd_usrp_source_0 = uhd.usrp_source(
",".join(("serial=30CEEB2", "")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_source_0.set_samp_rate(samp_rate)
self.uhd_usrp_source_0.set_center_freq(2.492e9, 0)
self.uhd_usrp_source_0.set_gain(40, 0)
self.uhd_usrp_source_0.set_antenna("TX/RX", 0)
self.uhd_usrp_sink_0 = uhd.usrp_sink(
",".join(("serial=30CEECB", "")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
packet_length_tag_key,
)
self.uhd_usrp_sink_0.set_samp_rate(samp_rate)
self.uhd_usrp_sink_0.set_center_freq(2.492e9, 0)
self.uhd_usrp_sink_0.set_gain(100, 0)
self.uhd_usrp_sink_0.set_antenna("TX/RX", 0)
self.qtgui_time_sink_x_2 = qtgui.time_sink_c(
1024, #size
samp_rate, #samp_rate
"", #name
1 #number of inputs
)
self.qtgui_time_sink_x_2.set_update_time(0.10)
self.qtgui_time_sink_x_2.set_y_axis(-1, 1)
self.qtgui_time_sink_x_2.set_y_label("Amplitude", "")
self.qtgui_time_sink_x_2.enable_tags(-1, True)
self.qtgui_time_sink_x_2.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS, 0.0, 0,
0, "")
self.qtgui_time_sink_x_2.enable_autoscale(False)
self.qtgui_time_sink_x_2.enable_grid(False)
self.qtgui_time_sink_x_2.enable_control_panel(False)
if not True:
self.qtgui_time_sink_x_2.disable_legend()
labels = ["", "", "", "", "", "", "", "", "", ""]
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "blue"
]
styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(2 * 1):
if len(labels[i]) == 0:
if (i % 2 == 0):
self.qtgui_time_sink_x_2.set_line_label(
i, "Re{{Data {0}}}".format(i / 2))
else:
self.qtgui_time_sink_x_2.set_line_label(
i, "Im{{Data {0}}}".format(i / 2))
else:
self.qtgui_time_sink_x_2.set_line_label(i, labels[i])
self.qtgui_time_sink_x_2.set_line_width(i, widths[i])
self.qtgui_time_sink_x_2.set_line_color(i, colors[i])
self.qtgui_time_sink_x_2.set_line_style(i, styles[i])
self.qtgui_time_sink_x_2.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_2.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_2_win = sip.wrapinstance(
self.qtgui_time_sink_x_2.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_time_sink_x_2_win)
self.qtgui_time_sink_x_1 = qtgui.time_sink_c(
1024, #size
samp_rate, #samp_rate
"Rx", #name
1 #number of inputs
)
self.qtgui_time_sink_x_1.set_update_time(0.10)
self.qtgui_time_sink_x_1.set_y_axis(-1, 1)
self.qtgui_time_sink_x_1.set_y_label("Amplitude", "")
self.qtgui_time_sink_x_1.enable_tags(-1, True)
self.qtgui_time_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS, 0.0, 0,
0, "")
self.qtgui_time_sink_x_1.enable_autoscale(False)
self.qtgui_time_sink_x_1.enable_grid(False)
self.qtgui_time_sink_x_1.enable_control_panel(False)
if not True:
self.qtgui_time_sink_x_1.disable_legend()
labels = ["", "", "", "", "", "", "", "", "", ""]
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "blue"
]
styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(2 * 1):
if len(labels[i]) == 0:
if (i % 2 == 0):
self.qtgui_time_sink_x_1.set_line_label(
i, "Re{{Data {0}}}".format(i / 2))
else:
self.qtgui_time_sink_x_1.set_line_label(
i, "Im{{Data {0}}}".format(i / 2))
else:
self.qtgui_time_sink_x_1.set_line_label(i, labels[i])
self.qtgui_time_sink_x_1.set_line_width(i, widths[i])
self.qtgui_time_sink_x_1.set_line_color(i, colors[i])
self.qtgui_time_sink_x_1.set_line_style(i, styles[i])
self.qtgui_time_sink_x_1.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_1.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_1_win = sip.wrapinstance(
self.qtgui_time_sink_x_1.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_time_sink_x_1_win)
self.qtgui_time_sink_x_0 = qtgui.time_sink_c(
1024, #size
samp_rate, #samp_rate
"", #name
1 #number of inputs
)
self.qtgui_time_sink_x_0.set_update_time(0.10)
self.qtgui_time_sink_x_0.set_y_axis(-1, 1)
self.qtgui_time_sink_x_0.set_y_label("Amplitude", "")
self.qtgui_time_sink_x_0.enable_tags(-1, True)
self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS, 0.0, 0,
0, "")
self.qtgui_time_sink_x_0.enable_autoscale(False)
self.qtgui_time_sink_x_0.enable_grid(False)
self.qtgui_time_sink_x_0.enable_control_panel(False)
if not True:
self.qtgui_time_sink_x_0.disable_legend()
labels = ["", "", "", "", "", "", "", "", "", ""]
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "blue"
]
styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(2 * 1):
if len(labels[i]) == 0:
if (i % 2 == 0):
self.qtgui_time_sink_x_0.set_line_label(
i, "Re{{Data {0}}}".format(i / 2))
else:
self.qtgui_time_sink_x_0.set_line_label(
i, "Im{{Data {0}}}".format(i / 2))
else:
self.qtgui_time_sink_x_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_win = sip.wrapinstance(
self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_time_sink_x_0_win)
self.pir_print_bytes_bb_0 = pir.print_bytes_bb()
self.fft_vxx_1 = fft.fft_vcc(fft_len, True, (), True, 1)
self.fft_vxx_0_0 = fft.fft_vcc(fft_len, False, (()), True, 1)
self.fft_vxx_0 = fft.fft_vcc(fft_len, True, (()), True, 1)
self.digital_packet_headerparser_b_0 = digital.packet_headerparser_b(
header_formatter.base())
self.digital_packet_headergenerator_bb_0 = digital.packet_headergenerator_bb(
header_formatter.formatter(), packet_length_tag_key)
self.digital_ofdm_sync_sc_cfb_0 = digital.ofdm_sync_sc_cfb(
fft_len, fft_len / 4, False)
self.digital_ofdm_serializer_vcc_payload = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key, packet_length_tag_key,
1, "", True)
self.digital_ofdm_serializer_vcc_header = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key, "", 0, "", True)
self.digital_ofdm_frame_equalizer_vcvc_1 = digital.ofdm_frame_equalizer_vcvc(
payload_equalizer.base(), fft_len / 4, length_tag_key, True, 0)
self.digital_ofdm_frame_equalizer_vcvc_0 = digital.ofdm_frame_equalizer_vcvc(
header_equalizer.base(), fft_len / 4, length_tag_key, True, 1)
self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer(
fft_len, fft_len + fft_len / 4, rolloff, packet_length_tag_key)
self.digital_ofdm_chanest_vcvc_0 = digital.ofdm_chanest_vcvc(
(sync_word1), (sync_word2), 1, 0, 3, False)
self.digital_ofdm_carrier_allocator_cvc_0 = digital.ofdm_carrier_allocator_cvc(
fft_len, occupied_carriers, pilot_carriers, pilot_symbols,
(sync_word1, sync_word2), packet_length_tag_key)
self.digital_header_payload_demux_0 = digital.header_payload_demux(
3,
fft_len,
fft_len / 4,
length_tag_key,
"",
True,
gr.sizeof_gr_complex,
"rx_time",
samp_rate,
(),
)
self.digital_crc32_bb_0_0 = digital.crc32_bb(False,
packet_length_tag_key,
True)
self.digital_crc32_bb_0 = digital.crc32_bb(True, packet_length_tag_key,
True)
self.digital_corr_est_cc_0 = digital.corr_est_cc(
((0.00000 - 0.00000j, -0.23756 + 0.06817j, 0.02455 - 0.06790j,
-0.02923 + 0.05414j, 0.00701 - 0.10558j, 0.07080 - 0.00739j,
0.04334 + 0.00660j, -0.11691 + 0.08759j, 0.09375 + 0.06250j,
0.04313 - 0.10143j, 0.00862 - 0.03317j, -0.05702 + 0.07170j,
-0.09857 - 0.09157j, 0.02654 + 0.03204j, -0.03675 - 0.04537j,
0.06443 + 0.17533j, 0.04419 + 0.00000j, 0.06443 - 0.17533j,
-0.03675 + 0.04537j, 0.02654 - 0.03204j, -0.09857 + 0.09157j,
-0.05702 - 0.07170j, 0.00862 + 0.03317j, 0.04313 + 0.10143j,
0.09375 - 0.06250j, -0.11691 - 0.08759j, 0.04334 - 0.00660j,
0.07080 + 0.00739j, 0.00701 + 0.10558j, -0.02923 - 0.05414j,
0.02455 + 0.06790j, -0.23756 - 0.06817j, 0.00000 + 0.00000j,
0.23756 - 0.06817j, -0.02455 + 0.06790j, 0.02923 - 0.05414j,
-0.00701 + 0.10558j, -0.07080 + 0.00739j, -0.04334 - 0.00660j,
0.11691 - 0.08759j, -0.09375 - 0.06250j, -0.04313 + 0.10143j,
-0.00862 + 0.03317j, 0.05702 - 0.07170j, 0.09857 + 0.09157j,
-0.02654 - 0.03204j, 0.03675 + 0.04537j, -0.06443 - 0.17533j,
-0.04419 + 0.00000j, -0.06443 + 0.17533j, 0.03675 - 0.04537j,
-0.02654 + 0.03204j, 0.09857 - 0.09157j, 0.05702 + 0.07170j,
-0.00862 - 0.03317j, -0.04313 - 0.10143j, -0.09375 + 0.06250j,
0.11691 + 0.08759j, -0.04334 + 0.00660j, -0.07080 - 0.00739j,
-0.00701 - 0.10558j, 0.02923 + 0.05414j, -0.02455 - 0.06790j,
0.23756 + 0.06817j, 0.00000 - 0.00000j, -0.23756 + 0.06817j,
0.02455 - 0.06790j, -0.02923 + 0.05414j, 0.00701 - 0.10558j,
0.07080 - 0.00739j, 0.04334 + 0.00660j, -0.11691 + 0.08759j,
0.09375 + 0.06250j, 0.04313 - 0.10143j, 0.00862 - 0.03317j,
-0.05702 + 0.07170j, -0.09857 - 0.09157j, 0.02654 + 0.03204j,
-0.03675 - 0.04537j, 0.06443 + 0.17533j, 0.06250 + 0.03125j,
-0.10790 - 0.08255j, 0.00182 + 0.03337j, 0.09586 - 0.07711j,
0.06872 + 0.05573j, 0.00373 + 0.04257j, -0.03565 - 0.03853j,
-0.14193 + 0.01821j, -0.15089 - 0.03504j, 0.14492 - 0.01154j,
0.07984 + 0.05798j, -0.06544 - 0.02403j, 0.10927 - 0.05236j,
0.14303 + 0.12879j, -0.04601 - 0.13003j, -0.11594 + 0.05444j,
-0.06250 + 0.00000j, -0.11594 - 0.05444j, -0.04601 + 0.13003j,
0.14303 - 0.12879j, 0.10927 + 0.05236j, -0.06544 + 0.02403j,
0.07984 - 0.05798j, 0.14492 + 0.01154j, -0.15089 + 0.03504j,
-0.14193 - 0.01821j, -0.03565 + 0.03853j, 0.00373 - 0.04257j,
0.06872 - 0.05573j, 0.09586 + 0.07711j, 0.00182 - 0.03337j,
-0.10790 + 0.08255j, 0.06250 - 0.03125j, -0.00527 - 0.11799j,
0.00182 + 0.05304j, 0.05923 + 0.02687j, -0.09460 + 0.11347j,
0.06227 - 0.14667j, -0.03565 + 0.03377j, -0.10488 - 0.05448j,
0.02589 + 0.09754j, 0.06134 - 0.07480j, 0.07984 + 0.06226j,
-0.02766 + 0.02419j, 0.04162 - 0.02844j, -0.09425 - 0.14799j,
-0.04601 + 0.09145j, 0.09289 + 0.12172j, -0.06250 + 0.00000j,
0.09289 - 0.12172j, -0.04601 - 0.09145j, -0.09425 + 0.14799j,
0.04162 + 0.02844j, -0.02766 - 0.02419j, 0.07984 - 0.06226j,
0.06134 + 0.07480j, 0.02589 - 0.09754j, -0.10488 + 0.05448j,
-0.03565 - 0.03377j, 0.06227 + 0.14667j, -0.09460 - 0.11347j,
0.05923 - 0.02687j, 0.00182 - 0.05304j, -0.00527 + 0.11799j,
0.06250 + 0.03125j, -0.10790 - 0.08255j, 0.00182 + 0.03337j,
0.09586 - 0.07711j, 0.06872 + 0.05573j, 0.00373 + 0.04257j,
-0.03565 - 0.03853j, -0.14193 + 0.01821j, -0.15089 - 0.03504j,
0.14492 - 0.01154j, 0.07984 + 0.05798j, -0.06544 - 0.02403j,
0.10927 - 0.05236j, 0.14303 + 0.12879j, -0.04601 - 0.13003j,
-0.11594 + 0.05444j)), 1, 0, 0.999999999)
self.digital_constellation_decoder_cb_1 = digital.constellation_decoder_cb(
payload_mod.base())
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(
header_mod.base())
self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc(
(payload_mod.points()), 1)
self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc(
(header_mod.points()), 1)
self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux(
gr.sizeof_gr_complex * 1, "packet_len", 0)
self.blocks_tag_gate_0 = blocks.tag_gate(gr.sizeof_gr_complex * 1,
True)
self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb(
8, payload_mod.bits_per_symbol(), packet_length_tag_key, False,
gr.GR_LSB_FIRST)
self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(
payload_mod.bits_per_symbol(), 8, packet_length_tag_key, True,
gr.GR_LSB_FIRST)
self.blocks_null_sink_1 = blocks.null_sink(gr.sizeof_char * 1)
self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_gr_complex * 1)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((0.05, ))
self.blocks_file_sink_1 = blocks.file_sink(
gr.sizeof_char * 1, "/home/rhidra/pir/test/test_modules/out.txt",
False)
self.blocks_file_sink_1.set_unbuffered(False)
self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex * 1,
fft_len + fft_len / 4)
self.analog_random_source_x_0 = blocks.vector_source_b(
map(int, numpy.random.randint(0, 255, 1000)), True)
self.analog_frequency_modulator_fc_0 = analog.frequency_modulator_fc(
-2.0 / fft_len)
##################################################
# Connections
##################################################
self.msg_connect((self.digital_packet_headerparser_b_0, 'header_data'),
(self.digital_header_payload_demux_0, 'header_data'))
self.connect((self.analog_frequency_modulator_fc_0, 0),
(self.blocks_multiply_xx_0, 0))
self.connect((self.analog_random_source_x_0, 0),
(self.digital_crc32_bb_0_0, 0))
self.connect((self.analog_random_source_x_0, 0),
(self.pir_print_bytes_bb_0, 0))
self.connect((self.blocks_delay_0, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.blocks_tag_gate_0, 0))
self.connect((self.blocks_multiply_xx_0, 0),
(self.digital_corr_est_cc_0, 0))
self.connect((self.blocks_multiply_xx_0, 0),
(self.digital_header_payload_demux_0, 0))
self.connect((self.blocks_repack_bits_bb_0, 0),
(self.digital_crc32_bb_0, 0))
self.connect((self.blocks_repack_bits_bb_0_0, 0),
(self.digital_chunks_to_symbols_xx_0_0, 0))
self.connect((self.blocks_tag_gate_0, 0),
(self.qtgui_time_sink_x_2, 0))
self.connect((self.blocks_tag_gate_0, 0), (self.uhd_usrp_sink_0, 0))
self.connect((self.blocks_tagged_stream_mux_0, 0),
(self.digital_ofdm_carrier_allocator_cvc_0, 0))
self.connect((self.blocks_tagged_stream_mux_0, 0),
(self.qtgui_time_sink_x_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_0, 0),
(self.blocks_tagged_stream_mux_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_0_0, 0),
(self.blocks_tagged_stream_mux_0, 1))
self.connect((self.digital_constellation_decoder_cb_0, 0),
(self.digital_packet_headerparser_b_0, 0))
self.connect((self.digital_constellation_decoder_cb_1, 0),
(self.blocks_repack_bits_bb_0, 0))
self.connect((self.digital_corr_est_cc_0, 0),
(self.blocks_null_sink_0, 0))
self.connect((self.digital_crc32_bb_0, 0),
(self.blocks_file_sink_1, 0))
self.connect((self.digital_crc32_bb_0, 0),
(self.blocks_null_sink_1, 0))
self.connect((self.digital_crc32_bb_0_0, 0),
(self.blocks_repack_bits_bb_0_0, 0))
self.connect((self.digital_crc32_bb_0_0, 0),
(self.digital_packet_headergenerator_bb_0, 0))
self.connect((self.digital_header_payload_demux_0, 0),
(self.fft_vxx_0, 0))
self.connect((self.digital_header_payload_demux_0, 1),
(self.fft_vxx_1, 0))
self.connect((self.digital_ofdm_carrier_allocator_cvc_0, 0),
(self.fft_vxx_0_0, 0))
self.connect((self.digital_ofdm_chanest_vcvc_0, 0),
(self.digital_ofdm_frame_equalizer_vcvc_0, 0))
self.connect((self.digital_ofdm_cyclic_prefixer_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_0, 0),
(self.digital_ofdm_serializer_vcc_header, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_1, 0),
(self.digital_ofdm_serializer_vcc_payload, 0))
self.connect((self.digital_ofdm_serializer_vcc_header, 0),
(self.digital_constellation_decoder_cb_0, 0))
self.connect((self.digital_ofdm_serializer_vcc_payload, 0),
(self.digital_constellation_decoder_cb_1, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 0),
(self.analog_frequency_modulator_fc_0, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 1),
(self.digital_header_payload_demux_0, 1))
self.connect((self.digital_packet_headergenerator_bb_0, 0),
(self.digital_chunks_to_symbols_xx_0, 0))
self.connect((self.fft_vxx_0, 0),
(self.digital_ofdm_chanest_vcvc_0, 0))
self.connect((self.fft_vxx_0_0, 0),
(self.digital_ofdm_cyclic_prefixer_0, 0))
self.connect((self.fft_vxx_1, 0),
(self.digital_ofdm_frame_equalizer_vcvc_1, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.blocks_delay_0, 0))
self.connect((self.uhd_usrp_source_0, 0),
(self.digital_ofdm_sync_sc_cfb_0, 0))
self.connect((self.uhd_usrp_source_0, 0),
(self.qtgui_time_sink_x_1, 0))
def __init__(self): grc_wxgui.top_block_gui.__init__(self, title="OFDM Rx") _icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png" self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY)) ################################################## # Variables ################################################## self.occupied_carriers = occupied_carriers = (range(-26, -21) + range(-20, -7) + range(-6, 0) + range(1, 7) + range(8, 21) + range(22, 27),) self.length_tag_name = length_tag_name = "frame_len" self.sync_word2 = sync_word2 = (0, 0, 0, 0, 0, 1, 1, -1.0, -1, 1.0, 1, 1.0, -1, -1.0, -1, 1.0, 1, -1.0, 1, 1.0, 1, -1.0, -1, -1.0, -1, 1.0, -1, 1.0, -1, 1.0, 1, -1.0, 0, 1.0, 1, -1.0, 1, 1.0, -1, -1.0, 1, -1.0, -1, -1.0, 1, 1.0, 1, -1.0, 1, 1.0, -1, 1.0, -1, -1.0, -1, 1.0, 1, -1.0, 0, 0, 0, 0, 0, 0) self.sync_word1 = sync_word1 = (0, 0, 0, 0, 0, 0, 0, -1.0, 0, 1.0, 0, 1.0, 0, -1.0, 0, 1.0, 0, -1.0, 0, 1.0, 0, -1.0, 0, -1.0, 0, 1.0, 0, 1.0, 0, 1.0, 0, -1.0, 0, 1.0, 0, -1.0, 0, 1.0, 0, -1.0, 0, -1.0, 0, -1.0, 0, 1.0, 0, -1.0, 0, 1.0, 0, 1.0, 0, -1.0, 0, 1.0, 0, -1.0, 0, 0, 0, 0, 0, 0) self.samp_rate = samp_rate = 3200000 self.pilot_symbols = pilot_symbols = ((1, 1, 1, -1,),) self.pilot_carriers = pilot_carriers = ((-21, -7, 7, 21,),) self.payload_mod = payload_mod = digital.constellation_qpsk() self.header_mod = header_mod = digital.constellation_bpsk() self.header_formatter = header_formatter = digital.packet_header_ofdm(occupied_carriers, 1, length_tag_name) self.fft_len = fft_len = 64 ################################################## # Blocks ################################################## self.gr_delay_0 = gr.delay(gr.sizeof_gr_complex*1, fft_len+fft_len/4) self.fft_vxx_0_0 = fft.fft_vcc(fft_len, True, (), True, 1) self.fft_vxx_0 = fft.fft_vcc(fft_len, True, (), True, 1) self.digital_packet_headerparser_b_0 = digital.packet_headerparser_b(header_formatter.formatter()) self.digital_ofdm_sync_sc_cfb_0 = digital.ofdm_sync_sc_cfb(fft_len, fft_len/4, False) self.digital_ofdm_serializer_vcc_1 = digital.ofdm_serializer_vcc(fft_len, occupied_carriers, "length_tag_key", "", 1, "", True) self.digital_ofdm_serializer_vcc_0 = digital.ofdm_serializer_vcc(fft_len, occupied_carriers, length_tag_name, "", 0, "", True) self.digital_ofdm_frame_equalizer_vcvc_0_0 = digital.ofdm_frame_equalizer_vcvc(digital.ofdm_equalizer_simpledfe(fft_len, header_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols).base(), fft_len/4, length_tag_name, True, 0) self.digital_ofdm_frame_equalizer_vcvc_0 = digital.ofdm_frame_equalizer_vcvc(digital.ofdm_equalizer_simpledfe(fft_len, header_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols, 2).base(), fft_len/4, "length_tag_key", False, 0) self.digital_ofdm_chanest_vcvc_0 = digital.ofdm_chanest_vcvc((sync_word1), (sync_word2), 2, 0, -1, False) self.digital_header_payload_demux_0 = digital.header_payload_demux(3, fft_len, fft_len/4, length_tag_name, "", True, gr.sizeof_gr_complex) self.digital_constellation_decoder_cb_0_0 = digital.constellation_decoder_cb(header_mod.base()) self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(payload_mod.base()) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate) self.blocks_tag_debug_0 = blocks.tag_debug(gr.sizeof_char*1, "Rx Packets") self.blocks_multiply_xx_0 = blocks.multiply_vcc(1) self.analog_noise_source_x_0 = analog.noise_source_c(analog.GR_GAUSSIAN, 1, 0) self.analog_frequency_modulator_fc_0 = analog.frequency_modulator_fc(-2.0/fft_len) ################################################## # Connections ################################################## self.connect((self.digital_ofdm_frame_equalizer_vcvc_0_0, 0), (self.digital_ofdm_serializer_vcc_0, 0)) self.connect((self.digital_header_payload_demux_0, 0), (self.fft_vxx_0, 0)) self.connect((self.fft_vxx_0, 0), (self.digital_ofdm_chanest_vcvc_0, 0)) self.connect((self.digital_ofdm_chanest_vcvc_0, 0), (self.digital_ofdm_frame_equalizer_vcvc_0_0, 0)) self.connect((self.digital_constellation_decoder_cb_0_0, 0), (self.digital_packet_headerparser_b_0, 0)) self.connect((self.digital_ofdm_serializer_vcc_0, 0), (self.digital_constellation_decoder_cb_0_0, 0)) self.connect((self.digital_constellation_decoder_cb_0, 0), (self.blocks_tag_debug_0, 0)) self.connect((self.fft_vxx_0_0, 0), (self.digital_ofdm_frame_equalizer_vcvc_0, 0)) self.connect((self.digital_ofdm_frame_equalizer_vcvc_0, 0), (self.digital_ofdm_serializer_vcc_1, 0)) self.connect((self.digital_header_payload_demux_0, 1), (self.fft_vxx_0_0, 0)) self.connect((self.digital_ofdm_serializer_vcc_1, 0), (self.digital_constellation_decoder_cb_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.digital_ofdm_sync_sc_cfb_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.gr_delay_0, 0)) self.connect((self.analog_noise_source_x_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.analog_frequency_modulator_fc_0, 0), (self.blocks_multiply_xx_0, 0)) self.connect((self.digital_ofdm_sync_sc_cfb_0, 0), (self.analog_frequency_modulator_fc_0, 0)) self.connect((self.gr_delay_0, 0), (self.blocks_multiply_xx_0, 1)) self.connect((self.digital_ofdm_sync_sc_cfb_0, 1), (self.digital_header_payload_demux_0, 1)) self.connect((self.blocks_multiply_xx_0, 0), (self.digital_header_payload_demux_0, 0)) ################################################## # Asynch Message Connections ################################################## self.msg_connect(self.digital_packet_headerparser_b_0, "header_data", self.digital_header_payload_demux_0, "header_data")
def test_001_t_tags (self):
""" Like the previous test, but use a trigger tag instead of
a trigger signal.
"""
n_zeros = 1
header = (1, 2, 3)
payload = tuple(range(5, 20))
data_signal = (0,) * n_zeros + header + payload
# Trigger tag
trigger_tag = gr.tag_t()
trigger_tag.offset = n_zeros
trigger_tag.key = pmt.string_to_symbol('detect')
trigger_tag.value = pmt.PMT_T
# This is dropped:
testtag1 = gr.tag_t()
testtag1.offset = 0
testtag1.key = pmt.string_to_symbol('tag1')
testtag1.value = pmt.from_long(0)
# This goes on output 0, item 0:
testtag2 = gr.tag_t()
testtag2.offset = n_zeros
testtag2.key = pmt.string_to_symbol('tag2')
testtag2.value = pmt.from_long(23)
# This goes on output 0, item 2:
testtag3 = gr.tag_t()
testtag3.offset = n_zeros + len(header) - 1
testtag3.key = pmt.string_to_symbol('tag3')
testtag3.value = pmt.from_long(42)
# This goes on output 1, item 3:
testtag4 = gr.tag_t()
testtag4.offset = n_zeros + len(header) + 3
testtag4.key = pmt.string_to_symbol('tag4')
testtag4.value = pmt.from_long(314)
data_src = blocks.vector_source_f(
data_signal,
False,
tags=(trigger_tag, testtag1, testtag2, testtag3, testtag4)
)
hpd = digital.header_payload_demux(
len(header), 1, 0, "frame_len", "detect", False, gr.sizeof_float
)
self.assertEqual(pmt.length(hpd.message_ports_in()), 2) #extra system port defined for you
header_sink = blocks.vector_sink_f()
payload_sink = blocks.vector_sink_f()
self.tb.connect(data_src, (hpd, 0))
self.tb.connect((hpd, 0), header_sink)
self.tb.connect((hpd, 1), payload_sink)
self.tb.start()
time.sleep(.2) # Need this, otherwise, the next message is ignored
hpd.to_basic_block()._post(
pmt.intern('header_data'),
pmt.from_long(len(payload))
)
while len(payload_sink.data()) < len(payload):
time.sleep(.2)
self.tb.stop()
self.tb.wait()
self.assertEqual(header_sink.data(), header)
self.assertEqual(payload_sink.data(), payload)
ptags_header = []
for tag in header_sink.tags():
ptag = gr.tag_to_python(tag)
ptags_header.append({'key': ptag.key, 'offset': ptag.offset})
expected_tags_header = [
{'key': 'tag2', 'offset': 0},
{'key': 'tag3', 'offset': 2},
]
self.assertEqual(expected_tags_header, ptags_header)
ptags_payload = []
for tag in payload_sink.tags():
ptag = gr.tag_to_python(tag)
ptags_payload.append({'key': ptag.key, 'offset': ptag.offset})
expected_tags_payload = [
{'key': 'frame_len', 'offset': 0},
{'key': 'tag4', 'offset': 3},
]
self.assertEqual(expected_tags_payload, ptags_payload)
def test_001_headerpadding (self):
""" Like test 1, but with header padding. """
n_zeros = 3
header = (1, 2, 3)
header_padding = 1
payload = tuple(range(5, 20))
data_signal = (0,) * n_zeros + header + payload
trigger_signal = [0] * len(data_signal)
trigger_signal[n_zeros] = 1
# This is dropped:
testtag1 = make_tag('tag1', 0, 0)
# This goes on output 0, item 0:
testtag2 = make_tag('tag2', 23, n_zeros)
# This goes on output 0, item 2:
testtag3 = make_tag('tag3', 42, n_zeros + len(header) - 1)
# This goes on output 1, item 3:
testtag4 = make_tag('tag4', 314, n_zeros + len(header) + 3)
data_src = blocks.vector_source_f(
data_signal,
False,
tags=(testtag1, testtag2, testtag3, testtag4)
)
trigger_src = blocks.vector_source_b(trigger_signal, False)
hpd = digital.header_payload_demux(
len(header),
1, # Items per symbol
0, # Guard interval
"frame_len", # TSB tag key
"detect", # Trigger tag key
False, # No symbols please
gr.sizeof_float, # Item size
"", # Timing tag key
1.0, # Samp rate
(), # No special tags
header_padding
)
mock_header_demod = HeaderToMessageBlock(
numpy.float32,
len(header),
[len(payload)]
)
header_sink = blocks.vector_sink_f()
payload_sink = blocks.vector_sink_f()
self.connect_all_blocks(data_src, trigger_src, hpd, mock_header_demod, payload_sink, header_sink)
self.run_tb(payload_sink, len(payload), header_sink, len(header)+2)
# Check values
# Header now is padded:
self.assertEqual(header_sink.data(), (0,) + header + (payload[0],))
self.assertEqual(payload_sink.data(), payload)
ptags_header = []
for tag in header_sink.tags():
ptag = gr.tag_to_python(tag)
ptags_header.append({'key': ptag.key, 'offset': ptag.offset})
expected_tags_header = [
{'key': 'tag2', 'offset': 1},
{'key': 'tag3', 'offset': 3},
]
self.assertEqual(expected_tags_header, ptags_header)
ptags_payload = []
for tag in payload_sink.tags():
ptag = gr.tag_to_python(tag)
ptags_payload.append({'key': ptag.key, 'offset': ptag.offset})
expected_tags_payload = [
{'key': 'frame_len', 'offset': 0},
{'key': 'tag4', 'offset': 3},
]
self.assertEqual(expected_tags_payload, ptags_payload)
def __init__(self):
gr.top_block.__init__(self, "OFDM Rx")
##################################################
# Variables
##################################################
self.pilot_symbols = pilot_symbols = ((
1,
1,
1,
-1,
), )
self.pilot_carriers = pilot_carriers = ((
-21,
-7,
7,
21,
), )
self.payload_mod = payload_mod = digital.constellation_qpsk()
self.packet_length_tag_key = packet_length_tag_key = "packet_len"
self.occupied_carriers = occupied_carriers = (
range(-26, -21) + range(-20, -7) + range(-6, 0) + range(1, 7) +
range(8, 21) + range(22, 27), )
self.length_tag_key = length_tag_key = "frame_len"
self.header_mod = header_mod = digital.constellation_bpsk()
self.fft_len = fft_len = 64
self.sync_word2 = sync_word2 = [
0j, 0j, 0j, 0j, 0j, 0j, (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j),
(1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j),
(-1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j),
(-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j),
(-1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), 0j, (1 + 0j), (-1 + 0j),
(1 + 0j), (1 + 0j), (1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j),
(1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j),
(-1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j),
(-1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j),
0j, 0j, 0j, 0j, 0j
]
self.sync_word1 = sync_word1 = [
0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0.,
1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0.,
1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0.,
-1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
0., 0., 0., 0., 0.
]
self.samp_rate = samp_rate = 1000000
self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe(
fft_len, payload_mod.base(), occupied_carriers, pilot_carriers,
pilot_symbols, 1)
self.packet_len = packet_len = 1000
self.header_formatter = header_formatter = digital.packet_header_ofdm(
occupied_carriers,
n_syms=1,
len_tag_key=packet_length_tag_key,
frame_len_tag_key=length_tag_key,
bits_per_header_sym=header_mod.bits_per_symbol(),
bits_per_payload_sym=payload_mod.bits_per_symbol(),
scramble_header=False)
self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe(
fft_len, header_mod.base(), occupied_carriers, pilot_carriers,
pilot_symbols)
self.band_width = band_width = 20000000
##################################################
# Blocks
##################################################
self.pluto_source_0 = iio.pluto_source('192.168.2.1', 500000000,
samp_rate, band_width, 0x8000,
True, True, True, "slow_attack",
64.0, '', True)
self.fft_vxx_1 = fft.fft_vcc(fft_len, True, (), True, 1)
self.fft_vxx_0 = fft.fft_vcc(fft_len, True, (()), True, 1)
self.digital_packet_headerparser_b_0 = digital.packet_headerparser_b(
header_formatter.base())
self.digital_ofdm_sync_sc_cfb_0 = digital.ofdm_sync_sc_cfb(
fft_len, fft_len / 4, False, 0.9)
self.digital_ofdm_serializer_vcc_payload = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key, packet_length_tag_key,
1, '', True)
self.digital_ofdm_serializer_vcc_header = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key, '', 0, '', True)
self.digital_ofdm_frame_equalizer_vcvc_1 = digital.ofdm_frame_equalizer_vcvc(
payload_equalizer.base(), fft_len / 4, length_tag_key, True, 0)
self.digital_ofdm_frame_equalizer_vcvc_0 = digital.ofdm_frame_equalizer_vcvc(
header_equalizer.base(), fft_len / 4, length_tag_key, True, 1)
self.digital_ofdm_chanest_vcvc_0 = digital.ofdm_chanest_vcvc(
(sync_word1), (sync_word2), 1, 0, 3, False)
self.digital_header_payload_demux_0 = digital.header_payload_demux(
3,
fft_len,
fft_len / 4,
length_tag_key,
"",
True,
gr.sizeof_gr_complex,
"rx_time",
samp_rate,
(),
0,
)
self.digital_crc32_bb_0 = digital.crc32_bb(True, packet_length_tag_key,
True)
self.digital_constellation_decoder_cb_1 = digital.constellation_decoder_cb(
payload_mod.base())
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(
header_mod.base())
self.blocks_udp_sink_0 = blocks.udp_sink(gr.sizeof_char * 1,
'192.168.2.10', 8088, 1472,
True)
self.blocks_tag_debug_1 = blocks.tag_debug(gr.sizeof_char * 1,
'Rx Bytes', "")
self.blocks_tag_debug_1.set_display(True)
self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(
payload_mod.bits_per_symbol(), 8, packet_length_tag_key, True,
gr.GR_LSB_FIRST)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex * 1,
fft_len + fft_len / 4)
self.analog_frequency_modulator_fc_0 = analog.frequency_modulator_fc(
-2.0 / fft_len)
##################################################
# Connections
##################################################
self.msg_connect((self.digital_packet_headerparser_b_0, 'header_data'),
(self.digital_header_payload_demux_0, 'header_data'))
self.connect((self.analog_frequency_modulator_fc_0, 0),
(self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_delay_0, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_multiply_xx_0, 0),
(self.digital_header_payload_demux_0, 0))
self.connect((self.blocks_repack_bits_bb_0, 0),
(self.digital_crc32_bb_0, 0))
self.connect((self.digital_constellation_decoder_cb_0, 0),
(self.digital_packet_headerparser_b_0, 0))
self.connect((self.digital_constellation_decoder_cb_1, 0),
(self.blocks_repack_bits_bb_0, 0))
self.connect((self.digital_crc32_bb_0, 0),
(self.blocks_tag_debug_1, 0))
self.connect((self.digital_crc32_bb_0, 0), (self.blocks_udp_sink_0, 0))
self.connect((self.digital_header_payload_demux_0, 0),
(self.fft_vxx_0, 0))
self.connect((self.digital_header_payload_demux_0, 1),
(self.fft_vxx_1, 0))
self.connect((self.digital_ofdm_chanest_vcvc_0, 0),
(self.digital_ofdm_frame_equalizer_vcvc_0, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_0, 0),
(self.digital_ofdm_serializer_vcc_header, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_1, 0),
(self.digital_ofdm_serializer_vcc_payload, 0))
self.connect((self.digital_ofdm_serializer_vcc_header, 0),
(self.digital_constellation_decoder_cb_0, 0))
self.connect((self.digital_ofdm_serializer_vcc_payload, 0),
(self.digital_constellation_decoder_cb_1, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 0),
(self.analog_frequency_modulator_fc_0, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 1),
(self.digital_header_payload_demux_0, 1))
self.connect((self.fft_vxx_0, 0),
(self.digital_ofdm_chanest_vcvc_0, 0))
self.connect((self.fft_vxx_1, 0),
(self.digital_ofdm_frame_equalizer_vcvc_1, 0))
self.connect((self.pluto_source_0, 0), (self.blocks_delay_0, 0))
self.connect((self.pluto_source_0, 0),
(self.digital_ofdm_sync_sc_cfb_0, 0))
def test_004_fuzz(self):
"""
Long random test
"""
def create_signal(
n_bursts,
header_len,
max_gap,
max_burstsize,
fail_rate,
):
signal = []
indexes = []
burst_sizes = []
total_payload_len = 0
for _ in range(n_bursts):
gap_size = random.randint(0, max_gap)
signal += [0] * gap_size
is_failure = random.random() < fail_rate
if not is_failure:
burst_size = random.randint(0, max_burstsize)
else:
burst_size = 0
total_payload_len += burst_size
indexes += [len(signal)]
signal += [1] * header_len
signal += [2] * burst_size
burst_sizes += [burst_size]
return (signal, indexes, total_payload_len, burst_sizes)
def indexes_to_triggers(indexes, signal_len):
"""
Convert indexes to a mix of trigger signals and tags
"""
trigger_signal = [0] * signal_len
trigger_tags = []
for index in indexes:
if random.random() > 0.5:
trigger_signal[index] = 1
else:
trigger_tags += [make_tag('detect', True, index)]
return (trigger_signal, trigger_tags)
### Go, go, go
# Uncomment this if you want true randomness -- good for actual fuzzing
# The divide-by-20 means we'll usually get the same random seed
# between the first run and the XML run.
# random_seed = int(time.time() / 20)
# random.seed(random_seed)
# print("Random seed: {0}".format(random_seed))
n_bursts = 400
header_len = 5
max_gap = 50
max_burstsize = 100
fail_rate = 0.05
signal, indexes, total_payload_len, burst_sizes = create_signal(
n_bursts, header_len, max_gap, max_burstsize, fail_rate
)
trigger_signal, trigger_tags = indexes_to_triggers(indexes, len(signal))
# Flow graph
data_src = blocks.vector_source_f(
signal, False,
tags=trigger_tags
)
trigger_src = blocks.vector_source_b(trigger_signal, False)
hpd = digital.header_payload_demux(
header_len=header_len,
items_per_symbol=1,
guard_interval=0,
length_tag_key="frame_len",
trigger_tag_key="detect",
output_symbols=False,
itemsize=gr.sizeof_float,
timing_tag_key='rx_time',
samp_rate=1.0,
special_tags=('rx_freq',),
)
mock_header_demod = HeaderToMessageBlock(
numpy.float32,
header_len,
burst_sizes
)
header_sink = blocks.vector_sink_f()
payload_sink = blocks.vector_sink_f()
self.connect_all_blocks(data_src, trigger_src, hpd, mock_header_demod, payload_sink, header_sink)
self.run_tb(payload_sink, total_payload_len, header_sink, header_len*n_bursts)
self.assertEqual(header_sink.data(), tuple([1]*header_len*n_bursts))
self.assertEqual(payload_sink.data(), tuple([2]*total_payload_len))
def test_001_headerpadding (self):
""" Like test 1, but with header padding. """
n_zeros = 3
header = (1, 2, 3)
header_padding = 1
payload = tuple(range(5, 20))
data_signal = (0,) * n_zeros + header + payload
trigger_signal = [0] * len(data_signal)
trigger_signal[n_zeros] = 1
# This is dropped:
testtag1 = make_tag('tag1', 0, 0)
# This goes on output 0, item 0:
testtag2 = make_tag('tag2', 23, n_zeros)
# This goes on output 0, item 2:
testtag3 = make_tag('tag3', 42, n_zeros + len(header) - 1)
# This goes on output 1, item 3:
testtag4 = make_tag('tag4', 314, n_zeros + len(header) + 3)
data_src = blocks.vector_source_f(
data_signal,
False,
tags=(testtag1, testtag2, testtag3, testtag4)
)
trigger_src = blocks.vector_source_b(trigger_signal, False)
hpd = digital.header_payload_demux(
len(header),
1, # Items per symbol
0, # Guard interval
"frame_len", # TSB tag key
"detect", # Trigger tag key
False, # No symbols please
gr.sizeof_float, # Item size
"", # Timing tag key
1.0, # Samp rate
(), # No special tags
header_padding
)
mock_header_demod = HeaderToMessageBlock(
numpy.float32,
len(header),
[len(payload)]
)
header_sink = blocks.vector_sink_f()
payload_sink = blocks.vector_sink_f()
self.connect_all_blocks(data_src, trigger_src, hpd, mock_header_demod, payload_sink, header_sink)
self.run_tb(payload_sink, len(payload), header_sink, len(header)+2)
# Check values
# Header now is padded:
self.assertEqual(header_sink.data(), (0,) + header + (payload[0],))
self.assertEqual(payload_sink.data(), payload)
ptags_header = []
for tag in header_sink.tags():
ptag = gr.tag_to_python(tag)
ptags_header.append({'key': ptag.key, 'offset': ptag.offset})
expected_tags_header = [
{'key': 'tag2', 'offset': 1},
{'key': 'tag3', 'offset': 3},
]
self.assertEqual(expected_tags_header, ptags_header)
ptags_payload = []
for tag in payload_sink.tags():
ptag = gr.tag_to_python(tag)
ptags_payload.append({'key': ptag.key, 'offset': ptag.offset})
expected_tags_payload = [
{'key': 'frame_len', 'offset': 0},
{'key': 'tag4', 'offset': 3},
]
self.assertEqual(expected_tags_payload, ptags_payload)
def __init__(self):
gr.top_block.__init__(self, "OFDM Tx")
Qt.QWidget.__init__(self)
self.setWindowTitle("OFDM Tx")
qtgui.util.check_set_qss()
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "tx_ofdm_updated")
try:
if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
self.restoreGeometry(self.settings.value("geometry").toByteArray())
else:
self.restoreGeometry(self.settings.value("geometry"))
except:
pass
##################################################
# Variables
##################################################
self.pilot_symbols = pilot_symbols = ((1, 1, 1, -1,),)
self.pilot_carriers = pilot_carriers = ((-21, -7, 7, 21,),)
self.payload_mod = payload_mod = digital.constellation_bpsk()
self.packet_length_tag_key = packet_length_tag_key = "packet_len"
self.occupied_carriers = occupied_carriers = (list(range(-26, -21)) + list(range(-20, -7)) + list(range(-6, 0)) + list(range(1, 7)) + list(range(8, 21)) + list(range(22, 27)),)
self.length_tag_key = length_tag_key = "packet_len"
self.header_mod = header_mod = digital.constellation_bpsk()
self.fft_len = fft_len = 64
self.tx_probe = tx_probe = 0
self.sync_word2_0 = sync_word2_0 = [0j, 0j, 0j, 0j, 0j, 0j, (-1+0j), (-1+0j), (-1+0j), (-1+0j), (1+0j), (1+0j), (-1+0j), (-1+0j), (-1+0j), (1+0j), (-1+0j), (1+0j), (1+0j), (1 +0j), (1+0j), (1+0j), (-1+0j), (-1+0j), (-1+0j), (-1+0j), (-1+0j), (1+0j), (-1+0j), (-1+0j), (1+0j), (-1+0j), 0j, (1+0j), (-1+0j), (1+0j), (1+0j), (1+0j), (-1+0j), (1+0j), (1+0j), (1+0j), (-1+0j), (1+0j), (1+0j), (1+0j), (1+0j), (-1+0j), (1+0j), (-1+0j), (-1+0j), (-1+0j), (1+0j), (-1+0j), (1+0j), (-1+0j), (-1+0j), (-1+0j), (-1+0j), 0j, 0j, 0j, 0j, 0j]
self.sync_word2 = sync_word2 = [0, 0, 0, 0, 0, 0, -1, -1, -1, -1, 1, 1, -1, -1, -1, 1, -1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, 1, -1, -1, 1, -1, 0, 1, -1, 1, 1, 1, -1, 1, 1, 1, -1, 1, 1, 1, 1, -1, 1, -1, -1, -1, 1, -1, 1, -1, -1, -1, -1, 0, 0, 0, 0, 0]
self.sync_word1_0 = sync_word1_0 = [0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 0., 0., 0., 0., 0.]
self.sync_word1 = sync_word1 = [0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 0., 0., 0., 0., 0.]
self.samp_rate = samp_rate = 50000
self.rx_probe = rx_probe = 0
self.rolloff = rolloff = 0
self.pilot_symbols_0 = pilot_symbols_0 = ((1, 1, 1, -1,),)
self.pilot_carriers_0 = pilot_carriers_0 = ((-21, -7, 7, 21,),)
self.payload_mod_0 = payload_mod_0 = digital.constellation_qpsk()
self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe(fft_len, payload_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols, 1)
self.packet_len_0 = packet_len_0 = 96
self.packet_len = packet_len = 96
self.output_signal = output_signal = 0
self.og_signal_probe = og_signal_probe = 0
self.occupied_carriers_0 = occupied_carriers_0 = (list(range(-26, -21)) + list(range(-20, -7)) + list(range(-6, 0)) + list(range(1, 7)) + list(range(8, 21)) + list(range(22, 27)),)
self.length_tag_key_0 = length_tag_key_0 = "frame_len"
self.input_signal = input_signal = 0
self.header_mod_0 = header_mod_0 = digital.constellation_bpsk()
self.header_formatter = header_formatter = digital.packet_header_ofdm(occupied_carriers, n_syms=1, len_tag_key=packet_length_tag_key, frame_len_tag_key=length_tag_key, bits_per_header_sym=header_mod.bits_per_symbol(), bits_per_payload_sym=payload_mod.bits_per_symbol(), scramble_header=False)
self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe(fft_len, header_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols)
self.hdr_format = hdr_format = digital.header_format_ofdm(occupied_carriers, 1, length_tag_key,)
self.fft_len_0 = fft_len_0 = 64
self.decoded_probe = decoded_probe = 0
##################################################
# Blocks
##################################################
self.blocks_probe_signal_x_4 = blocks.probe_signal_c()
self.blocks_probe_signal_x_3 = blocks.probe_signal_c()
self.blocks_probe_signal_x_2 = blocks.probe_signal_b()
self.blocks_probe_signal_x_0_1 = blocks.probe_signal_b()
self.blocks_probe_signal_x_0_0_0 = blocks.probe_signal_c()
self.blocks_probe_signal_x_0_0 = blocks.probe_signal_c()
def _tx_probe_probe():
global transmitted_data
while True:
val = self.blocks_probe_signal_x_0_0.level()
transmitted_data = val
try:
self.set_tx_probe(val)
except AttributeError:
pass
time.sleep(1.0 / (10))
_tx_probe_thread = threading.Thread(target=_tx_probe_probe)
_tx_probe_thread.daemon = True
_tx_probe_thread.start()
def _rx_probe_probe():
global received_data
while True:
val = self.blocks_probe_signal_x_3.level()
received_data = val
try:
self.set_rx_probe(val)
except AttributeError:
pass
time.sleep(1.0 / (10))
_rx_probe_thread = threading.Thread(target=_rx_probe_probe)
_rx_probe_thread.daemon = True
_rx_probe_thread.start()
self.qtgui_time_sink_x_0_0 = qtgui.time_sink_c(
1024, #size
samp_rate, #samp_rate
'Scope Plot', #name
1 #number of inputs
)
self.qtgui_time_sink_x_0_0.set_update_time(0.10)
self.qtgui_time_sink_x_0_0.set_y_axis(-1, 1)
self.qtgui_time_sink_x_0_0.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_0_0.enable_tags(True)
self.qtgui_time_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
self.qtgui_time_sink_x_0_0.enable_autoscale(True)
self.qtgui_time_sink_x_0_0.enable_grid(False)
self.qtgui_time_sink_x_0_0.enable_axis_labels(True)
self.qtgui_time_sink_x_0_0.enable_control_panel(False)
self.qtgui_time_sink_x_0_0.enable_stem_plot(False)
labels = ['Scope Plot', '', '', '', '',
'', '', '', '', '']
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ['blue', 'red', 'green', 'black', 'cyan',
'magenta', 'yellow', 'dark red', 'dark green', 'dark blue']
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
styles = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1,
-1, -1, -1, -1, -1]
for i in range(2):
if len(labels[i]) == 0:
if (i % 2 == 0):
self.qtgui_time_sink_x_0_0.set_line_label(i, "Re{{Data {0}}}".format(i/2))
else:
self.qtgui_time_sink_x_0_0.set_line_label(i, "Im{{Data {0}}}".format(i/2))
else:
self.qtgui_time_sink_x_0_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_0_win)
self.qtgui_time_sink_x_0 = qtgui.time_sink_c(
1024, #size
samp_rate, #samp_rate
'Scope Plot', #name
1 #number of inputs
)
self.qtgui_time_sink_x_0.set_update_time(0.10)
self.qtgui_time_sink_x_0.set_y_axis(-1, 1)
self.qtgui_time_sink_x_0.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_0.enable_tags(True)
self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
self.qtgui_time_sink_x_0.enable_autoscale(True)
self.qtgui_time_sink_x_0.enable_grid(False)
self.qtgui_time_sink_x_0.enable_axis_labels(True)
self.qtgui_time_sink_x_0.enable_control_panel(False)
self.qtgui_time_sink_x_0.enable_stem_plot(False)
labels = ['Scope Plot', '', '', '', '',
'', '', '', '', '']
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ['blue', 'red', 'green', 'black', 'cyan',
'magenta', 'yellow', 'dark red', 'dark green', 'dark blue']
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
styles = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1,
-1, -1, -1, -1, -1]
for i in range(2):
if len(labels[i]) == 0:
if (i % 2 == 0):
self.qtgui_time_sink_x_0.set_line_label(i, "Re{{Data {0}}}".format(i/2))
else:
self.qtgui_time_sink_x_0.set_line_label(i, "Im{{Data {0}}}".format(i/2))
else:
self.qtgui_time_sink_x_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_win)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
'FFT Plot', #name
1
)
self.qtgui_freq_sink_x_0.set_update_time(0.10)
self.qtgui_freq_sink_x_0.set_y_axis(-140, 10)
self.qtgui_freq_sink_x_0.set_y_label('Relative Gain', 'dB')
self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "")
self.qtgui_freq_sink_x_0.enable_autoscale(True)
self.qtgui_freq_sink_x_0.enable_grid(False)
self.qtgui_freq_sink_x_0.set_fft_average(1.0)
self.qtgui_freq_sink_x_0.enable_axis_labels(True)
self.qtgui_freq_sink_x_0.enable_control_panel(False)
labels = ['', '', '', '', '',
'', '', '', '', '']
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ["blue", "red", "green", "black", "cyan",
"magenta", "yellow", "dark red", "dark green", "dark blue"]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
for i in range(1):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win)
def _output_signal_probe():
global output_data
while True:
val = self.blocks_probe_signal_x_0_1.level()
output_data = val
try:
self.set_output_signal(val)
except AttributeError:
pass
# time.sleep(1.0 / (10))
time.sleep(0.0911)
_output_signal_thread = threading.Thread(target=_output_signal_probe)
_output_signal_thread.daemon = True
_output_signal_thread.start()
def _og_signal_probe_probe():
global encoded_data
while True:
val = self.blocks_probe_signal_x_0_0_0.level()
encoded_data = val
try:
self.set_og_signal_probe(val)
except AttributeError:
pass
time.sleep(1.0 / (10))
_og_signal_probe_thread = threading.Thread(target=_og_signal_probe_probe)
_og_signal_probe_thread.daemon = True
_og_signal_probe_thread.start()
def _input_signal_probe():
global input_data
while True:
val = self.blocks_probe_signal_x_2.level()
input_data = val
try:
self.set_input_signal(val)
except AttributeError:
pass
time.sleep(1.0 / (10))
_input_signal_thread = threading.Thread(target=_input_signal_probe)
_input_signal_thread.daemon = True
_input_signal_thread.start()
self.fft_vxx_1 = fft.fft_vcc(fft_len, True, (), True, 1)
self.fft_vxx_0_0 = fft.fft_vcc(fft_len, True, (), True, 1)
self.fft_vxx_0 = fft.fft_vcc(fft_len, False, (), True, 1)
self.digital_protocol_formatter_bb_0 = digital.protocol_formatter_bb(hdr_format, length_tag_key)
self.digital_packet_headerparser_b_0 = digital.packet_headerparser_b(header_formatter.base())
self.digital_ofdm_sync_sc_cfb_0 = digital.ofdm_sync_sc_cfb(fft_len, fft_len//4, False, 0.9)
self.digital_ofdm_serializer_vcc_payload = digital.ofdm_serializer_vcc(fft_len, occupied_carriers, length_tag_key, packet_length_tag_key, 1, '', True)
self.digital_ofdm_serializer_vcc_header = digital.ofdm_serializer_vcc(fft_len, occupied_carriers, length_tag_key, '', 0, '', True)
self.digital_ofdm_frame_equalizer_vcvc_1 = digital.ofdm_frame_equalizer_vcvc(payload_equalizer.base(), fft_len//4, length_tag_key, True, 0)
self.digital_ofdm_frame_equalizer_vcvc_0 = digital.ofdm_frame_equalizer_vcvc(header_equalizer.base(), fft_len//4, length_tag_key, True, 1)
self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer(fft_len, fft_len + fft_len//4, rolloff, length_tag_key)
self.digital_ofdm_chanest_vcvc_0 = digital.ofdm_chanest_vcvc(sync_word1, sync_word2, 1, 0, 3, False)
self.digital_ofdm_carrier_allocator_cvc_0 = digital.ofdm_carrier_allocator_cvc( fft_len, occupied_carriers, pilot_carriers, pilot_symbols, (sync_word1, sync_word2), length_tag_key, True)
self.digital_header_payload_demux_0 = digital.header_payload_demux(
3,
fft_len,
fft_len//4,
length_tag_key,
"",
True,
gr.sizeof_gr_complex,
"rx_time",
samp_rate,
(),
0)
self.digital_crc32_bb_0_0 = digital.crc32_bb(True, packet_length_tag_key, True)
self.digital_crc32_bb_0 = digital.crc32_bb(False, length_tag_key, True)
self.digital_constellation_decoder_cb_1 = digital.constellation_decoder_cb(payload_mod.base())
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(header_mod.base())
self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc(payload_mod.points(), 1)
self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc(header_mod.points(), 1)
def _decoded_probe_probe():
global decoded_signal
while True:
val = self.blocks_probe_signal_x_4.level()
decoded_signal = val
try:
self.set_decoded_probe(val)
except AttributeError:
pass
# time.sleep(1.0 / (10))
time.sleep(0.0911)
_decoded_probe_thread = threading.Thread(target=_decoded_probe_probe)
_decoded_probe_thread.daemon = True
_decoded_probe_thread.start()
self.channels_channel_model_0_0 = channels.channel_model(
noise_voltage=0.15,
frequency_offset=0 * 1.0/fft_len,
epsilon=1.0,
taps=[1.0 + 1.0j],
noise_seed=0,
block_tags=True)
self.blocks_throttle_0_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux(gr.sizeof_gr_complex*1, length_tag_key, 0)
self.blocks_tag_gate_0 = blocks.tag_gate(gr.sizeof_gr_complex * 1, False)
self.blocks_tag_gate_0.set_single_key("")
self.blocks_tag_debug_1 = blocks.tag_debug(gr.sizeof_char*1, 'Rx Bytes', "")
self.blocks_tag_debug_1.set_display(True)
self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(gr.sizeof_char, 1, packet_len, length_tag_key)
self.blocks_repack_bits_bb_0_1 = blocks.repack_bits_bb(payload_mod.bits_per_symbol(), 8, packet_length_tag_key, True, gr.GR_LSB_FIRST)
self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb(8, 1, length_tag_key, False, gr.GR_LSB_FIRST)
self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(8, payload_mod.bits_per_symbol(), length_tag_key, False, gr.GR_LSB_FIRST)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_cc(0.05)
self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex*1, fft_len+fft_len//4)
self.analog_random_source_x_0 = blocks.vector_source_b(list(map(int, numpy.random.randint(0, 255, 1000))), True)
self.analog_frequency_modulator_fc_0 = analog.frequency_modulator_fc(-2.0/fft_len)
##################################################
# Connections
##################################################
self.msg_connect((self.digital_packet_headerparser_b_0, u'header_data'), (self.digital_header_payload_demux_0, u'header_data'))
self.connect((self.analog_frequency_modulator_fc_0, 0), (self.blocks_multiply_xx_0, 0))
self.connect((self.analog_random_source_x_0, 0), (self.blocks_probe_signal_x_2, 0))
self.connect((self.analog_random_source_x_0, 0), (self.blocks_stream_to_tagged_stream_0, 0))
self.connect((self.blocks_delay_0, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.blocks_tag_gate_0, 0))
self.connect((self.blocks_multiply_xx_0, 0), (self.digital_header_payload_demux_0, 0))
self.connect((self.blocks_repack_bits_bb_0, 0), (self.digital_chunks_to_symbols_xx_0_0, 0))
self.connect((self.blocks_repack_bits_bb_0_0, 0), (self.digital_chunks_to_symbols_xx_0, 0))
self.connect((self.blocks_repack_bits_bb_0_1, 0), (self.blocks_probe_signal_x_0_1, 0))
self.connect((self.blocks_repack_bits_bb_0_1, 0), (self.digital_crc32_bb_0_0, 0))
self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.digital_crc32_bb_0, 0))
self.connect((self.blocks_tag_gate_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_tagged_stream_mux_0, 0), (self.blocks_probe_signal_x_0_0_0, 0))
self.connect((self.blocks_tagged_stream_mux_0, 0), (self.digital_ofdm_carrier_allocator_cvc_0, 0))
self.connect((self.blocks_tagged_stream_mux_0, 0), (self.qtgui_time_sink_x_0_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.blocks_probe_signal_x_0_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.channels_channel_model_0_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.qtgui_freq_sink_x_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.qtgui_time_sink_x_0, 0))
self.connect((self.blocks_throttle_0_0, 0), (self.blocks_delay_0, 0))
self.connect((self.blocks_throttle_0_0, 0), (self.blocks_probe_signal_x_3, 0))
self.connect((self.blocks_throttle_0_0, 0), (self.digital_ofdm_sync_sc_cfb_0, 0))
self.connect((self.channels_channel_model_0_0, 0), (self.blocks_throttle_0_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_0, 0), (self.blocks_tagged_stream_mux_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_0_0, 0), (self.blocks_tagged_stream_mux_0, 1))
self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_packet_headerparser_b_0, 0))
self.connect((self.digital_constellation_decoder_cb_1, 0), (self.blocks_repack_bits_bb_0_1, 0))
self.connect((self.digital_crc32_bb_0, 0), (self.blocks_repack_bits_bb_0, 0))
self.connect((self.digital_crc32_bb_0, 0), (self.digital_protocol_formatter_bb_0, 0))
self.connect((self.digital_crc32_bb_0_0, 0), (self.blocks_tag_debug_1, 0))
self.connect((self.digital_header_payload_demux_0, 0), (self.fft_vxx_0_0, 0))
self.connect((self.digital_header_payload_demux_0, 1), (self.fft_vxx_1, 0))
self.connect((self.digital_ofdm_carrier_allocator_cvc_0, 0), (self.fft_vxx_0, 0))
self.connect((self.digital_ofdm_chanest_vcvc_0, 0), (self.digital_ofdm_frame_equalizer_vcvc_0, 0))
self.connect((self.digital_ofdm_cyclic_prefixer_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_0, 0), (self.digital_ofdm_serializer_vcc_header, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_1, 0), (self.digital_ofdm_serializer_vcc_payload, 0))
self.connect((self.digital_ofdm_serializer_vcc_header, 0), (self.digital_constellation_decoder_cb_0, 0))
self.connect((self.digital_ofdm_serializer_vcc_payload, 0), (self.blocks_probe_signal_x_4, 0))
self.connect((self.digital_ofdm_serializer_vcc_payload, 0), (self.digital_constellation_decoder_cb_1, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 0), (self.analog_frequency_modulator_fc_0, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 1), (self.digital_header_payload_demux_0, 1))
self.connect((self.digital_protocol_formatter_bb_0, 0), (self.blocks_repack_bits_bb_0_0, 0))
self.connect((self.fft_vxx_0, 0), (self.digital_ofdm_cyclic_prefixer_0, 0))
self.connect((self.fft_vxx_0_0, 0), (self.digital_ofdm_chanest_vcvc_0, 0))
self.connect((self.fft_vxx_1, 0), (self.digital_ofdm_frame_equalizer_vcvc_1, 0))
def test_001_headerpadding_payload_offset (self):
""" Like test 1, but with header padding + payload offset. """
n_zeros = 3
header = (1, 2, 3)
header_padding = 1
payload_offset = -1
payload = tuple(range(5, 20))
data_signal = (0,) * n_zeros + header + payload + (0,) * 100
trigger_signal = [0] * len(data_signal)
trigger_signal[n_zeros] = 1
# This goes on output 1, item 3 + 1 (for payload offset)
testtag4 = make_tag('tag4', 314, n_zeros + len(header) + 3)
data_src = blocks.vector_source_f(
data_signal,
False,
tags=(testtag4,)
)
trigger_src = blocks.vector_source_b(trigger_signal, False)
hpd = digital.header_payload_demux(
len(header),
1, # Items per symbol
0, # Guard interval
"frame_len", # TSB tag key
"detect", # Trigger tag key
False, # No symbols please
gr.sizeof_float, # Item size
"", # Timing tag key
1.0, # Samp rate
(), # No special tags
header_padding
)
self.assertEqual(pmt.length(hpd.message_ports_in()), 2) #extra system port defined for you
header_sink = blocks.vector_sink_f()
payload_sink = blocks.vector_sink_f()
self.tb.connect(data_src, (hpd, 0))
self.tb.connect(trigger_src, (hpd, 1))
self.tb.connect((hpd, 0), header_sink)
self.tb.connect((hpd, 1), payload_sink)
self.tb.start()
time.sleep(.2) # Need this, otherwise, the next message is ignored
hpd.to_basic_block()._post(
pmt.intern('header_data'),
pmt.to_pmt({'frame_len': len(payload), 'payload_offset': payload_offset})
)
while len(payload_sink.data()) < len(payload):
time.sleep(.2)
self.tb.stop()
self.tb.wait()
# Header is now padded:
self.assertEqual(header_sink.data(), (0,) + header + (payload[0],))
# Payload is now offset:
self.assertEqual(
payload_sink.data(),
data_signal[n_zeros + len(header) + payload_offset:n_zeros + len(header) + payload_offset + len(payload)]
)
ptags_payload = {}
for tag in payload_sink.tags():
ptag = gr.tag_to_python(tag)
ptags_payload[ptag.key] = ptag.offset
expected_tags_payload = {
'frame_len': 0,
'payload_offset': 0,
'tag4': 3 - payload_offset,
}
self.assertEqual(expected_tags_payload, ptags_payload)
def test_002_symbols (self):
"""
Same as before, but operate on symbols
"""
n_zeros = 1
items_per_symbol = 3
gi = 1
n_symbols = 4
header = (1, 2, 3)
payload = (1, 2, 3)
data_signal = (0,) * n_zeros + (0,) + header + ((0,) + payload) * n_symbols
trigger_signal = [0,] * len(data_signal)
trigger_signal[n_zeros] = 1
# This is dropped:
testtag1 = gr.tag_t()
testtag1.offset = 0
testtag1.key = pmt.string_to_symbol('tag1')
testtag1.value = pmt.from_long(0)
# This goes on output 0, item 0 (from the GI)
testtag2 = gr.tag_t()
testtag2.offset = n_zeros
testtag2.key = pmt.string_to_symbol('tag2')
testtag2.value = pmt.from_long(23)
# This goes on output 0, item 0 (middle of the header symbol)
testtag3 = gr.tag_t()
testtag3.offset = n_zeros + gi + 1
testtag3.key = pmt.string_to_symbol('tag3')
testtag3.value = pmt.from_long(42)
# This goes on output 1, item 1 (middle of the first payload symbol)
testtag4 = gr.tag_t()
testtag4.offset = n_zeros + (gi + items_per_symbol) * 2 + 1
testtag4.key = pmt.string_to_symbol('tag4')
testtag4.value = pmt.from_long(314)
data_src = blocks.vector_source_f(data_signal, False, tags=(testtag1, testtag2, testtag3, testtag4))
trigger_src = blocks.vector_source_b(trigger_signal, False)
hpd = digital.header_payload_demux(
len(header) / items_per_symbol, # Header length (in symbols)
items_per_symbol, # Items per symbols
gi, # Items per guard time
"frame_len", # Frame length tag key
"detect", # Trigger tag key
True, # Output symbols (not items)
gr.sizeof_float # Bytes per item
)
self.assertEqual(pmt.length(hpd.message_ports_in()), 1)
header_sink = blocks.vector_sink_f(items_per_symbol)
payload_sink = blocks.vector_sink_f(items_per_symbol)
self.tb.connect(data_src, (hpd, 0))
self.tb.connect(trigger_src, (hpd, 1))
self.tb.connect((hpd, 0), header_sink)
self.tb.connect((hpd, 1), payload_sink)
self.tb.start()
time.sleep(.2) # Need this, otherwise, the next message is ignored
hpd.to_basic_block()._post(
pmt.intern('header_data'),
pmt.from_long(n_symbols)
)
while len(payload_sink.data()) < len(payload) * n_symbols:
time.sleep(.2)
self.tb.stop()
self.tb.wait()
self.assertEqual(header_sink.data(), header)
self.assertEqual(payload_sink.data(), payload * n_symbols)
ptags_header = []
for tag in header_sink.tags():
ptag = gr.tag_to_python(tag)
ptags_header.append({'key': ptag.key, 'offset': ptag.offset})
expected_tags_header = [
{'key': 'tag2', 'offset': 0},
{'key': 'tag3', 'offset': 0},
]
self.assertEqual(expected_tags_header, ptags_header)
ptags_payload = []
for tag in payload_sink.tags():
ptag = gr.tag_to_python(tag)
ptags_payload.append({'key': ptag.key, 'offset': ptag.offset})
expected_tags_payload = [
{'key': 'frame_len', 'offset': 0},
{'key': 'tag4', 'offset': 1},
]
self.assertEqual(expected_tags_payload, ptags_payload)
def test_002_symbols(self):
"""
Same as before, but operate on symbols
"""
n_zeros = 1
items_per_symbol = 3
gi = 1
n_symbols = 4
header = (1, 2, 3)
payload = (1, 2, 3)
data_signal = (0, ) * n_zeros + (0, ) + header + (
(0, ) + payload) * n_symbols
trigger_signal = [
0,
] * len(data_signal)
trigger_signal[n_zeros] = 1
# This is dropped:
testtag1 = gr.tag_t()
testtag1.offset = 0
testtag1.key = pmt.string_to_symbol('tag1')
testtag1.value = pmt.from_long(0)
# This goes on output 0, item 0 (from the GI)
testtag2 = gr.tag_t()
testtag2.offset = n_zeros
testtag2.key = pmt.string_to_symbol('tag2')
testtag2.value = pmt.from_long(23)
# This goes on output 0, item 0 (middle of the header symbol)
testtag3 = gr.tag_t()
testtag3.offset = n_zeros + gi + 1
testtag3.key = pmt.string_to_symbol('tag3')
testtag3.value = pmt.from_long(42)
# This goes on output 1, item 1 (middle of the first payload symbol)
testtag4 = gr.tag_t()
testtag4.offset = n_zeros + (gi + items_per_symbol) * 2 + 1
testtag4.key = pmt.string_to_symbol('tag4')
testtag4.value = pmt.from_long(314)
data_src = blocks.vector_source_f(data_signal,
False,
tags=(testtag1, testtag2, testtag3,
testtag4))
trigger_src = blocks.vector_source_b(trigger_signal, False)
hpd = digital.header_payload_demux(
len(header) / items_per_symbol, # Header length (in symbols)
items_per_symbol, # Items per symbols
gi, # Items per guard time
"frame_len", # Frame length tag key
"detect", # Trigger tag key
True, # Output symbols (not items)
gr.sizeof_float # Bytes per item
)
self.assertEqual(pmt.length(hpd.message_ports_in()),
2) #extra system port defined for you
header_sink = blocks.vector_sink_f(items_per_symbol)
payload_sink = blocks.vector_sink_f(items_per_symbol)
self.tb.connect(data_src, (hpd, 0))
self.tb.connect(trigger_src, (hpd, 1))
self.tb.connect((hpd, 0), header_sink)
self.tb.connect((hpd, 1), payload_sink)
self.tb.start()
time.sleep(.2) # Need this, otherwise, the next message is ignored
hpd.to_basic_block()._post(pmt.intern('header_data'),
pmt.from_long(n_symbols))
while len(payload_sink.data()) < len(payload) * n_symbols:
time.sleep(.2)
self.tb.stop()
self.tb.wait()
self.assertEqual(header_sink.data(), header)
self.assertEqual(payload_sink.data(), payload * n_symbols)
ptags_header = []
for tag in header_sink.tags():
ptag = gr.tag_to_python(tag)
ptags_header.append({'key': ptag.key, 'offset': ptag.offset})
expected_tags_header = [
{
'key': 'tag2',
'offset': 0
},
{
'key': 'tag3',
'offset': 0
},
]
self.assertEqual(expected_tags_header, ptags_header)
ptags_payload = []
for tag in payload_sink.tags():
ptag = gr.tag_to_python(tag)
ptags_payload.append({'key': ptag.key, 'offset': ptag.offset})
expected_tags_payload = [
{
'key': 'frame_len',
'offset': 0
},
{
'key': 'tag4',
'offset': 1
},
]
self.assertEqual(expected_tags_payload, ptags_payload)
def test_001_t (self):
""" Simplest possible test: put in zeros, then header,
then payload, trigger signal, try to demux.
The return signal from the header parser is faked via _post()
Add in some tags for fun.
"""
n_zeros = 1
header = (1, 2, 3)
payload = tuple(range(5, 20))
data_signal = (0,) * n_zeros + header + payload
trigger_signal = [0,] * len(data_signal)
trigger_signal[n_zeros] = 1
# This is dropped:
testtag1 = gr.tag_t()
testtag1.offset = 0
testtag1.key = pmt.string_to_symbol('tag1')
testtag1.value = pmt.from_long(0)
# This goes on output 0, item 0:
testtag2 = gr.tag_t()
testtag2.offset = n_zeros
testtag2.key = pmt.string_to_symbol('tag2')
testtag2.value = pmt.from_long(23)
# This goes on output 0, item 2:
testtag3 = gr.tag_t()
testtag3.offset = n_zeros + len(header) - 1
testtag3.key = pmt.string_to_symbol('tag3')
testtag3.value = pmt.from_long(42)
# This goes on output 1, item 3:
testtag4 = gr.tag_t()
testtag4.offset = n_zeros + len(header) + 3
testtag4.key = pmt.string_to_symbol('tag4')
testtag4.value = pmt.from_long(314)
data_src = blocks.vector_source_f(data_signal, False, tags=(testtag1, testtag2, testtag3, testtag4))
trigger_src = blocks.vector_source_b(trigger_signal, False)
hpd = digital.header_payload_demux(
len(header), 1, 0, "frame_len", "detect", False, gr.sizeof_float
)
self.assertEqual(pmt.length(hpd.message_ports_in()), 1)
header_sink = blocks.vector_sink_f()
payload_sink = blocks.vector_sink_f()
self.tb.connect(data_src, (hpd, 0))
self.tb.connect(trigger_src, (hpd, 1))
self.tb.connect((hpd, 0), header_sink)
self.tb.connect((hpd, 1), payload_sink)
self.tb.start()
time.sleep(.2) # Need this, otherwise, the next message is ignored
hpd.to_basic_block()._post(
pmt.intern('header_data'),
pmt.from_long(len(payload))
)
while len(payload_sink.data()) < len(payload):
time.sleep(.2)
self.tb.stop()
self.tb.wait()
self.assertEqual(header_sink.data(), header)
self.assertEqual(payload_sink.data(), payload)
ptags_header = []
for tag in header_sink.tags():
ptag = gr.tag_to_python(tag)
ptags_header.append({'key': ptag.key, 'offset': ptag.offset})
expected_tags_header = [
{'key': 'tag2', 'offset': 0},
{'key': 'tag3', 'offset': 2},
]
self.assertEqual(expected_tags_header, ptags_header)
ptags_payload = []
for tag in payload_sink.tags():
ptag = gr.tag_to_python(tag)
ptags_payload.append({'key': ptag.key, 'offset': ptag.offset})
expected_tags_payload = [
{'key': 'frame_len', 'offset': 0},
{'key': 'tag4', 'offset': 3},
]
self.assertEqual(expected_tags_payload, ptags_payload)
def test_001_t(self):
""" Simplest possible test: put in zeros, then header,
then payload, trigger signal, try to demux.
The return signal from the header parser is faked via _post()
Add in some tags for fun.
"""
n_zeros = 1
header = (1, 2, 3)
payload = tuple(range(5, 20))
data_signal = (0, ) * n_zeros + header + payload
trigger_signal = [
0,
] * len(data_signal)
trigger_signal[n_zeros] = 1
# This is dropped:
testtag1 = gr.tag_t()
testtag1.offset = 0
testtag1.key = pmt.string_to_symbol('tag1')
testtag1.value = pmt.from_long(0)
# This goes on output 0, item 0:
testtag2 = gr.tag_t()
testtag2.offset = n_zeros
testtag2.key = pmt.string_to_symbol('tag2')
testtag2.value = pmt.from_long(23)
# This goes on output 0, item 2:
testtag3 = gr.tag_t()
testtag3.offset = n_zeros + len(header) - 1
testtag3.key = pmt.string_to_symbol('tag3')
testtag3.value = pmt.from_long(42)
# This goes on output 1, item 3:
testtag4 = gr.tag_t()
testtag4.offset = n_zeros + len(header) + 3
testtag4.key = pmt.string_to_symbol('tag4')
testtag4.value = pmt.from_long(314)
data_src = blocks.vector_source_f(data_signal,
False,
tags=(testtag1, testtag2, testtag3,
testtag4))
trigger_src = blocks.vector_source_b(trigger_signal, False)
hpd = digital.header_payload_demux(len(header), 1, 0, "frame_len",
"detect", False, gr.sizeof_float)
self.assertEqual(pmt.length(hpd.message_ports_in()),
2) #extra system port defined for you
header_sink = blocks.vector_sink_f()
payload_sink = blocks.vector_sink_f()
self.tb.connect(data_src, (hpd, 0))
self.tb.connect(trigger_src, (hpd, 1))
self.tb.connect((hpd, 0), header_sink)
self.tb.connect((hpd, 1), payload_sink)
self.tb.start()
time.sleep(.2) # Need this, otherwise, the next message is ignored
hpd.to_basic_block()._post(pmt.intern('header_data'),
pmt.from_long(len(payload)))
while len(payload_sink.data()) < len(payload):
time.sleep(.2)
self.tb.stop()
self.tb.wait()
self.assertEqual(header_sink.data(), header)
self.assertEqual(payload_sink.data(), payload)
ptags_header = []
for tag in header_sink.tags():
ptag = gr.tag_to_python(tag)
ptags_header.append({'key': ptag.key, 'offset': ptag.offset})
expected_tags_header = [
{
'key': 'tag2',
'offset': 0
},
{
'key': 'tag3',
'offset': 2
},
]
self.assertEqual(expected_tags_header, ptags_header)
ptags_payload = []
for tag in payload_sink.tags():
ptag = gr.tag_to_python(tag)
ptags_payload.append({'key': ptag.key, 'offset': ptag.offset})
expected_tags_payload = [
{
'key': 'frame_len',
'offset': 0
},
{
'key': 'tag4',
'offset': 3
},
]
self.assertEqual(expected_tags_payload, ptags_payload)
def __init__(self):
gr.top_block.__init__(self, "OFDM Rx")
##################################################
# Variables
##################################################
self.pilot_symbols = pilot_symbols = ((
1,
1,
1,
-1,
), )
self.pilot_carriers = pilot_carriers = ((
-21,
-7,
7,
21,
), )
self.payload_mod = payload_mod = digital.constellation_qpsk()
self.packet_length_tag_key = packet_length_tag_key = "packet_len"
self.occupied_carriers = occupied_carriers = (
range(-26, -21) + range(-20, -7) + range(-6, 0) + range(1, 7) +
range(8, 21) + range(22, 27), )
self.length_tag_key = length_tag_key = "frame_len"
self.header_mod = header_mod = digital.constellation_bpsk()
self.fft_len = fft_len = 64
self.sync_word2 = sync_word2 = [
0j, 0j, 0j, 0j, 0j, 0j, (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j),
(1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j),
(-1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j),
(-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j),
(-1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), 0j, (1 + 0j), (-1 + 0j),
(1 + 0j), (1 + 0j), (1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j),
(1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j),
(-1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j),
(-1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j),
0j, 0j, 0j, 0j, 0j
]
self.sync_word1 = sync_word1 = [
0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0.,
1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0.,
1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0.,
-1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
0., 0., 0., 0., 0.
]
self.samp_rate = samp_rate = 5000000
self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe(
fft_len, payload_mod.base(), occupied_carriers, pilot_carriers,
pilot_symbols, 1)
self.packet_len = packet_len = 96
self.header_formatter = header_formatter = digital.packet_header_ofdm(
occupied_carriers,
n_syms=1,
len_tag_key=packet_length_tag_key,
frame_len_tag_key=length_tag_key,
bits_per_header_sym=header_mod.bits_per_symbol(),
bits_per_payload_sym=payload_mod.bits_per_symbol(),
scramble_header=False)
self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe(
fft_len, header_mod.base(), occupied_carriers, pilot_carriers,
pilot_symbols)
##################################################
# Blocks
##################################################
self.nutaq_rtdex_source_0 = nutaq.rtdex_source(
"nutaq_carrier_perseus_0", gr.sizeof_short, 1, 3)
self.nutaq_rtdex_source_0.set_type(0)
self.nutaq_rtdex_source_0.set_packet_size(8192)
self.nutaq_rtdex_source_0.set_channels("1")
self.nutaq_radio420_tx_0_0 = nutaq.radio420_tx(
"nutaq_carrier_perseus_0", 1, 0)
self.nutaq_radio420_tx_0_0.set_default_enable(1)
self.nutaq_radio420_tx_0_0.set_default_tx_freq(2590000000)
self.nutaq_radio420_tx_0_0.set_default_reference(0)
self.nutaq_radio420_tx_0_0.set_default_datarate(samp_rate * 2)
self.nutaq_radio420_tx_0_0.set_default_calibrate(1)
self.nutaq_radio420_tx_0_0.set_default_band(1)
self.nutaq_radio420_tx_0_0.set_default_update_rate(1)
self.nutaq_radio420_tx_0_0.set_default_tx_vga1_gain(-10)
self.nutaq_radio420_tx_0_0.set_default_tx_vga2_gain(15)
self.nutaq_radio420_tx_0_0.set_default_tx_gain3(3)
self.nutaq_radio420_tx_0_0.set_default_tx_lpf_bandwidth(4)
self.nutaq_radio420_tx_0_0.set_default_ref_clk_ctrl(0)
self.nutaq_radio420_tx_0_0.set_default_rf_ctrl(0)
self.nutaq_radio420_tx_0_0.set_default_tx_gain_ctrl(0)
self.nutaq_radio420_tx_0_0.set_default_pll_cpld_ctrl(0)
self.nutaq_radio420_rx_0_0 = nutaq.radio420_rx(
"nutaq_carrier_perseus_0", 1, 1)
self.nutaq_radio420_rx_0_0.set_default_enable(1)
self.nutaq_radio420_rx_0_0.set_default_rx_freq(2490000000)
self.nutaq_radio420_rx_0_0.set_default_reference(0)
self.nutaq_radio420_rx_0_0.set_default_datarate(samp_rate * 2)
self.nutaq_radio420_rx_0_0.set_default_calibrate(1)
self.nutaq_radio420_rx_0_0.set_default_band(1)
self.nutaq_radio420_rx_0_0.set_default_update_rate(1)
self.nutaq_radio420_rx_0_0.set_default_rx_lna_gain(2)
self.nutaq_radio420_rx_0_0.set_default_rx_vga1_gain(2)
self.nutaq_radio420_rx_0_0.set_default_rx_gain2(20)
self.nutaq_radio420_rx_0_0.set_default_rx_gain3(8)
self.nutaq_radio420_rx_0_0.set_default_rx_rf_filter(2)
self.nutaq_radio420_rx_0_0.set_default_rx_lpf_bandwidth(4)
self.nutaq_radio420_rx_0_0.set_default_ref_clk_ctrl(0)
self.nutaq_radio420_rx_0_0.set_default_rf_ctrl(0)
self.nutaq_radio420_rx_0_0.set_default_rx_gain_ctrl(0)
self.nutaq_radio420_rx_0_0.set_default_pll_cpld_ctrl(0)
self.nutaq_custom_register_0_1 = nutaq.custom_register(
"nutaq_carrier_perseus_0", 6)
self.nutaq_custom_register_0_1.set_index(1)
self.nutaq_custom_register_0_1.set_default_value(6)
self.nutaq_custom_register_0_1.set_update_rate(1)
self.nutaq_custom_register_0_0 = nutaq.custom_register(
"nutaq_carrier_perseus_0", 5)
self.nutaq_custom_register_0_0.set_index(3)
self.nutaq_custom_register_0_0.set_update_rate(1)
self.nutaq_custom_register_0 = nutaq.custom_register(
"nutaq_carrier_perseus_0", 5)
self.nutaq_custom_register_0.set_index(4)
self.nutaq_custom_register_0.set_update_rate(1)
self.nutaq_carrier_perseus_0 = nutaq.carrier(
0, "nutaq_carrier_perseus_0", "192.168.0.101")
self.fft_vxx_1 = fft.fft_vcc(fft_len, True, (), True, 1)
self.fft_vxx_0 = fft.fft_vcc(fft_len, True, (()), True, 1)
self.digital_packet_headerparser_b_0 = digital.packet_headerparser_b(
header_formatter.base())
self.digital_ofdm_sync_sc_cfb_0 = digital.ofdm_sync_sc_cfb(
fft_len, fft_len / 4, False)
self.digital_ofdm_serializer_vcc_payload = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key, packet_length_tag_key,
1, "", True)
self.digital_ofdm_serializer_vcc_header = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key, "", 0, "", True)
self.digital_ofdm_frame_equalizer_vcvc_1 = digital.ofdm_frame_equalizer_vcvc(
payload_equalizer.base(), fft_len / 4, length_tag_key, True, 0)
self.digital_ofdm_frame_equalizer_vcvc_0 = digital.ofdm_frame_equalizer_vcvc(
header_equalizer.base(), fft_len / 4, length_tag_key, True, 1)
self.digital_ofdm_chanest_vcvc_0 = digital.ofdm_chanest_vcvc(
(sync_word1), (sync_word2), 1, 0, 3, False)
self.digital_header_payload_demux_0 = digital.header_payload_demux(
3,
fft_len,
fft_len / 4,
length_tag_key,
"",
True,
gr.sizeof_gr_complex,
"rx_time",
samp_rate,
(),
)
self.digital_crc32_bb_0 = digital.crc32_bb(True, packet_length_tag_key,
True)
self.digital_constellation_decoder_cb_1 = digital.constellation_decoder_cb(
payload_mod.base())
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(
header_mod.base())
self.blocks_tag_debug_1 = blocks.tag_debug(gr.sizeof_char * 1,
"Rx Bytes", "packet_num")
self.blocks_tag_debug_1.set_display(True)
self.blocks_short_to_float_0_0 = blocks.short_to_float(1, 2047)
self.blocks_short_to_float_0 = blocks.short_to_float(1, 2047)
self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(
payload_mod.bits_per_symbol(), 8, packet_length_tag_key, True,
gr.GR_LSB_FIRST)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_float_to_complex_0 = blocks.float_to_complex(1)
self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex * 1,
fft_len + fft_len / 4)
self.blocks_deinterleave_0 = blocks.deinterleave(
gr.sizeof_short * 1, 1)
self.analog_frequency_modulator_fc_0 = analog.frequency_modulator_fc(
-2.0 / fft_len)
self.analog_const_source_x_0 = analog.sig_source_i(
0, analog.GR_CONST_WAVE, 0, 0, 1)
##################################################
# Connections
##################################################
self.msg_connect((self.digital_packet_headerparser_b_0, 'header_data'),
(self.digital_header_payload_demux_0, 'header_data'))
self.connect((self.analog_const_source_x_0, 0),
(self.nutaq_custom_register_0_0, 0))
self.connect((self.analog_frequency_modulator_fc_0, 0),
(self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_deinterleave_0, 0),
(self.blocks_short_to_float_0, 0))
self.connect((self.blocks_deinterleave_0, 1),
(self.blocks_short_to_float_0_0, 0))
self.connect((self.blocks_delay_0, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_float_to_complex_0, 0),
(self.blocks_delay_0, 0))
self.connect((self.blocks_float_to_complex_0, 0),
(self.digital_ofdm_sync_sc_cfb_0, 0))
self.connect((self.blocks_multiply_xx_0, 0),
(self.digital_header_payload_demux_0, 0))
self.connect((self.blocks_repack_bits_bb_0, 0),
(self.digital_crc32_bb_0, 0))
self.connect((self.blocks_short_to_float_0, 0),
(self.blocks_float_to_complex_0, 0))
self.connect((self.blocks_short_to_float_0_0, 0),
(self.blocks_float_to_complex_0, 1))
self.connect((self.digital_constellation_decoder_cb_0, 0),
(self.digital_packet_headerparser_b_0, 0))
self.connect((self.digital_constellation_decoder_cb_1, 0),
(self.blocks_repack_bits_bb_0, 0))
self.connect((self.digital_crc32_bb_0, 0),
(self.blocks_tag_debug_1, 0))
self.connect((self.digital_header_payload_demux_0, 0),
(self.fft_vxx_0, 0))
self.connect((self.digital_header_payload_demux_0, 1),
(self.fft_vxx_1, 0))
self.connect((self.digital_ofdm_chanest_vcvc_0, 0),
(self.digital_ofdm_frame_equalizer_vcvc_0, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_0, 0),
(self.digital_ofdm_serializer_vcc_header, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_1, 0),
(self.digital_ofdm_serializer_vcc_payload, 0))
self.connect((self.digital_ofdm_serializer_vcc_header, 0),
(self.digital_constellation_decoder_cb_0, 0))
self.connect((self.digital_ofdm_serializer_vcc_payload, 0),
(self.digital_constellation_decoder_cb_1, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 0),
(self.analog_frequency_modulator_fc_0, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 1),
(self.digital_header_payload_demux_0, 1))
self.connect((self.fft_vxx_0, 0),
(self.digital_ofdm_chanest_vcvc_0, 0))
self.connect((self.fft_vxx_1, 0),
(self.digital_ofdm_frame_equalizer_vcvc_1, 0))
self.connect((self.nutaq_rtdex_source_0, 0),
(self.blocks_deinterleave_0, 0))
def __init__(self, samp_rate=10000):
gr.hier_block2.__init__(
self, "Sync Radio Hier Grc",
gr.io_signaturev(2, 2, [gr.sizeof_char*1, gr.sizeof_gr_complex*1]),
gr.io_signaturev(2, 2, [gr.sizeof_char*1, gr.sizeof_gr_complex*1]),
)
##################################################
# Parameters
##################################################
self.samp_rate = samp_rate
##################################################
# Variables
##################################################
self.sync_word2 = sync_word2 = [0j,0j,0j,0j,0j,0j,0j,0j,0j,0j,0j,0j,0j,0j,0j,0j,(1+0j),(-1+0j),(-1+0j),(-1+0j),(1+0j),(-1+0j),(1+0j),(-1+0j),(-1+0j),(-1+0j),(-1+0j),(-1+0j),(-1+0j),(-1+0j),(-1+0j),(1+0j),0j,(1+0j),(-1+0j),(1+0j),(1+0j),(1+0j),(-1+0j),(1+0j),(1+0j),(1+0j),(-1+0j),(1+0j),(1+0j),(1+0j),(1+0j),(-1+0j),0j,0j,0j,0j,0j,0j,0j,0j,0j,0j,0j,0j,0j,0j,0j,0j]
self.sync_word1 = sync_word1 = [0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,1.42,0.0,-1.42,0.0,1.42,0.0,1.42,0.0,1.42,0.0,1.42,0.0,-1.42,0.0,1.42,0.0,1.42,0.0,-1.42,0.0,1.42,0.0,1.42,0.0,1.42,0.0,-1.42,0.0,1.42,0.0,1.42,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0]
self.pilot_symbols = pilot_symbols = ((1, -1,),)
self.pilot_carriers = pilot_carriers = ((-13, 12,),)
self.payload_mod = payload_mod = digital.constellation_qpsk()
self.packet_length_tag_key = packet_length_tag_key = "packet_len"
self.occupied_carriers = occupied_carriers = ([-16, -15, -14, -12, -11, -10, -9, -8, -7, -6, -5, -4, -3, -2, -1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15],)
self.length_tag_key = length_tag_key = "frame_len"
self.header_mod = header_mod = digital.constellation_bpsk()
self.fft_len = fft_len = (len(sync_word1)+len(sync_word2))/2
self.rolloff = rolloff = 0
self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe(fft_len, payload_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols, 1)
self.len_ocup_carr = len_ocup_carr = len(occupied_carriers[0])
self.header_formatter = header_formatter = digital.packet_header_ofdm(occupied_carriers, n_syms=1, len_tag_key=packet_length_tag_key, frame_len_tag_key=length_tag_key, bits_per_header_sym=header_mod.bits_per_symbol(), bits_per_payload_sym=payload_mod.bits_per_symbol(), scramble_header=True)
self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe(fft_len, header_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols)
self.forward_OOB = forward_OOB = [0.005277622700213007, 0.03443705907448985, 0.1214101788557494, 0.29179662246081545, 0.52428014905364, 0.7350677973792328, 0.8210395030022875, 0.7350677973792348, 0.5242801490536404, 0.291796622460816, 0.1214101788557501, 0.03443705907448997, 0.005277622700213012]
self.feedback_OOB = feedback_OOB = [1.0, -1.0455317889337852, 3.9201525346250072, -3.9114761684448958, 6.54266144224035, -5.737287389902878, 5.820328302284336, -4.134700802700442, 2.7949972248757664, -1.4584448495689168, 0.6358650797085171, -0.19847981428665007, 0.04200458351675313]
self.cp_len = cp_len = fft_len/4
self.active_carriers = active_carriers = len(occupied_carriers[0])+4
##################################################
# Blocks
##################################################
self.iir_filter_xxx_1 = filter.iir_filter_ccd((forward_OOB), (feedback_OOB), False)
self.fft_vxx_txpath = fft.fft_vcc(fft_len, False, (()), True, 1)
self.fft_vxx_2_rxpath = fft.fft_vcc(fft_len, True, (), True, 1)
self.fft_vxx_1_rxpath = fft.fft_vcc(fft_len, True, (()), True, 1)
self.digital_packet_headerparser_b_rxpath = digital.packet_headerparser_b(header_formatter.base())
self.digital_packet_headergenerator_bb_txpath = digital.packet_headergenerator_bb(header_formatter.formatter(), "packet_len")
self.digital_ofdm_sync_sc_cfb_rxpath = digital.ofdm_sync_sc_cfb(fft_len, fft_len/4, False)
self.digital_ofdm_serializer_vcc_payload_rxpath = digital.ofdm_serializer_vcc(fft_len, occupied_carriers, length_tag_key, packet_length_tag_key, 1, "", True)
self.digital_ofdm_serializer_vcc_header_rxpath = digital.ofdm_serializer_vcc(fft_len, occupied_carriers, length_tag_key, "", 0, "", True)
self.digital_ofdm_frame_equalizer_vcvc_2_rxpath = digital.ofdm_frame_equalizer_vcvc(payload_equalizer.base(), cp_len, length_tag_key, True, 0)
self.digital_ofdm_frame_equalizer_vcvc_1_rxpath = digital.ofdm_frame_equalizer_vcvc(header_equalizer.base(), cp_len, length_tag_key, True, 1)
self.digital_ofdm_cyclic_prefixer_txpath = digital.ofdm_cyclic_prefixer(fft_len, fft_len+cp_len, rolloff, packet_length_tag_key)
(self.digital_ofdm_cyclic_prefixer_txpath).set_min_output_buffer(24000)
self.digital_ofdm_chanest_vcvc_rxpath = digital.ofdm_chanest_vcvc((sync_word1), (sync_word2), 1, 0, 3, False)
self.digital_ofdm_carrier_allocator_cvc_txpath = digital.ofdm_carrier_allocator_cvc(fft_len, occupied_carriers, pilot_carriers, pilot_symbols, (sync_word1, sync_word2), packet_length_tag_key)
(self.digital_ofdm_carrier_allocator_cvc_txpath).set_min_output_buffer(16000)
self.digital_header_payload_demux_rxpath = digital.header_payload_demux(
3,
fft_len,
cp_len,
length_tag_key,
"",
True,
gr.sizeof_gr_complex,
"rx_time",
samp_rate,
(),
)
#self.digital_crc32_bb_txpath = digital.crc32_bb(False, packet_length_tag_key)
#self.digital_crc32_bb_rxpath = digital.crc32_bb(True, packet_length_tag_key)
self.digital_constellation_decoder_cb_1_rxpath = digital.constellation_decoder_cb(payload_mod.base())
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(header_mod.base())
self.digital_chunks_to_symbols_x_txpath = digital.chunks_to_symbols_bc((payload_mod.points()), 1)
self.digital_chunks_to_symbols_txpath = digital.chunks_to_symbols_bc((header_mod.points()), 1)
self.blocks_tagged_stream_mux_txpath = blocks.tagged_stream_mux(gr.sizeof_gr_complex*1, packet_length_tag_key, 0)
(self.blocks_tagged_stream_mux_txpath).set_min_output_buffer(16000)
self.blocks_tag_gate_txpath = blocks.tag_gate(gr.sizeof_gr_complex * 1, False)
self.blocks_repack_bits_bb_txpath = blocks.repack_bits_bb(8, payload_mod.bits_per_symbol(), packet_length_tag_key, False)
self.blocks_repack_bits_bb_rxpath = blocks.repack_bits_bb(payload_mod.bits_per_symbol(), 8, packet_length_tag_key, True)
self.blocks_multiply_xx_rxpath = blocks.multiply_vcc(1)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((.01, ))
self.blocks_delay_rxpath = blocks.delay(gr.sizeof_gr_complex*1, fft_len+fft_len/4)
self.analog_frequency_modulator_fc_rxpath = analog.frequency_modulator_fc(-2.0/fft_len)
self.analog_agc2_xx_0 = analog.agc2_cc(1e-1, 1e-2, 1.0, 1.0)
self.analog_agc2_xx_0.set_max_gain(65536)
##################################################
# Connections
##################################################
self.connect((self.digital_ofdm_sync_sc_cfb_rxpath, 0), (self.analog_frequency_modulator_fc_rxpath, 0))
self.connect((self.analog_agc2_xx_0, 0), (self.digital_ofdm_sync_sc_cfb_rxpath, 0))
self.connect((self.analog_agc2_xx_0, 0), (self.blocks_delay_rxpath, 0))
self.connect((self.digital_packet_headergenerator_bb_txpath, 0), (self.digital_chunks_to_symbols_txpath, 0))
self.connect((self.blocks_repack_bits_bb_txpath, 0), (self.digital_chunks_to_symbols_x_txpath, 0))
self.connect((self.digital_chunks_to_symbols_txpath, 0), (self.blocks_tagged_stream_mux_txpath, 0))
self.connect((self.digital_chunks_to_symbols_x_txpath, 0), (self.blocks_tagged_stream_mux_txpath, 1))
self.connect((self.digital_ofdm_cyclic_prefixer_txpath, 0), (self.blocks_tag_gate_txpath, 0))
self.connect((self.fft_vxx_txpath, 0), (self.digital_ofdm_cyclic_prefixer_txpath, 0))
self.connect((self.blocks_tagged_stream_mux_txpath, 0), (self.digital_ofdm_carrier_allocator_cvc_txpath, 0))
self.connect((self.digital_ofdm_carrier_allocator_cvc_txpath, 0), (self.fft_vxx_txpath, 0))
self.connect((self.digital_header_payload_demux_rxpath, 0), (self.fft_vxx_1_rxpath, 0))
self.connect((self.fft_vxx_1_rxpath, 0), (self.digital_ofdm_chanest_vcvc_rxpath, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_1_rxpath, 0), (self.digital_ofdm_serializer_vcc_header_rxpath, 0))
self.connect((self.digital_ofdm_chanest_vcvc_rxpath, 0), (self.digital_ofdm_frame_equalizer_vcvc_1_rxpath, 0))
self.connect((self.digital_header_payload_demux_rxpath, 1), (self.fft_vxx_2_rxpath, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_2_rxpath, 0), (self.digital_ofdm_serializer_vcc_payload_rxpath, 0))
self.connect((self.fft_vxx_2_rxpath, 0), (self.digital_ofdm_frame_equalizer_vcvc_2_rxpath, 0))
self.connect((self.digital_ofdm_serializer_vcc_payload_rxpath, 0), (self.digital_constellation_decoder_cb_1_rxpath, 0))
self.connect((self.digital_constellation_decoder_cb_1_rxpath, 0), (self.blocks_repack_bits_bb_rxpath, 0))
self.connect((self.digital_ofdm_serializer_vcc_header_rxpath, 0), (self.digital_constellation_decoder_cb_0, 0))
self.connect((self.analog_frequency_modulator_fc_rxpath, 0), (self.blocks_multiply_xx_rxpath, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_rxpath, 1), (self.digital_header_payload_demux_rxpath, 1))
self.connect((self.blocks_multiply_xx_rxpath, 0), (self.digital_header_payload_demux_rxpath, 0))
self.connect((self.blocks_delay_rxpath, 0), (self.blocks_multiply_xx_rxpath, 1))
self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_packet_headerparser_b_rxpath, 0))
self.connect((self, 1), (self.analog_agc2_xx_0, 0))
self.connect((self.blocks_tag_gate_txpath, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.iir_filter_xxx_1, 0), (self, 1))
'''
self.connect((self, 0), (self.digital_crc32_bb_txpath, 0))
self.connect((self.digital_crc32_bb_txpath, 0), (self.blocks_repack_bits_bb_txpath, 0))
self.connect((self.digital_crc32_bb_txpath, 0), (self.digital_packet_headergenerator_bb_txpath, 0))
'''
self.connect((self, 0), (self.blocks_repack_bits_bb_txpath, 0))
self.connect((self, 0), (self.digital_packet_headergenerator_bb_txpath, 0))
'''
self.connect((self.blocks_repack_bits_bb_rxpath, 0), (self.digital_crc32_bb_rxpath, 0))
self.connect((self.digital_crc32_bb_rxpath, 0), (self, 0))
'''
self.connect((self.blocks_repack_bits_bb_rxpath, 0), (self, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.iir_filter_xxx_1, 0))
##################################################
# Asynch Message Connections
##################################################
self.msg_connect(self.digital_packet_headerparser_b_rxpath, "header_data", self.digital_header_payload_demux_rxpath, "header_data")
def __init__(self):
gr.top_block.__init__(self, "OFDM Rx")
Qt.QWidget.__init__(self)
self.setWindowTitle("OFDM Rx")
qtgui.util.check_set_qss()
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "rx_ofdm")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.pilot_symbols = pilot_symbols = ((
1,
1,
1,
-1,
), )
self.pilot_carriers = pilot_carriers = ((
-21,
-7,
7,
21,
), )
self.payload_mod = payload_mod = digital.constellation_qpsk()
self.packet_length_tag_key = packet_length_tag_key = "packet_len"
self.occupied_carriers = occupied_carriers = (
range(-26, -21) + range(-20, -7) + range(-6, 0) + range(1, 7) +
range(8, 21) + range(22, 27), )
self.length_tag_key = length_tag_key = "frame_len"
self.header_mod = header_mod = digital.constellation_bpsk()
self.fft_len = fft_len = 64
self.sync_word2 = sync_word2 = [
0j, 0j, 0j, 0j, 0j, 0j, (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j),
(1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j),
(-1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j),
(-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j),
(-1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), 0j, (1 + 0j), (-1 + 0j),
(1 + 0j), (1 + 0j), (1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j),
(1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j),
(-1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j),
(-1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j),
0j, 0j, 0j, 0j, 0j
]
self.sync_word1 = sync_word1 = [
0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0.,
1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0.,
1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0.,
-1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
0., 0., 0., 0., 0.
]
self.samp_rate = samp_rate = 10000
self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe(
fft_len, payload_mod.base(), occupied_carriers, pilot_carriers,
pilot_symbols, 1)
self.packet_len = packet_len = 96
self.header_formatter = header_formatter = digital.packet_header_ofdm(
occupied_carriers,
n_syms=1,
len_tag_key=packet_length_tag_key,
frame_len_tag_key=length_tag_key,
bits_per_header_sym=header_mod.bits_per_symbol(),
bits_per_payload_sym=payload_mod.bits_per_symbol(),
scramble_header=False)
self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe(
fft_len, header_mod.base(), occupied_carriers, pilot_carriers,
pilot_symbols)
##################################################
# Blocks
##################################################
self.qtgui_waterfall_sink_x_0 = qtgui.waterfall_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"", #name
1 #number of inputs
)
self.qtgui_waterfall_sink_x_0.set_update_time(0.10)
self.qtgui_waterfall_sink_x_0.enable_grid(False)
self.qtgui_waterfall_sink_x_0.enable_axis_labels(True)
if not True:
self.qtgui_waterfall_sink_x_0.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_waterfall_sink_x_0.set_plot_pos_half(not True)
labels = ['', '', '', '', '', '', '', '', '', '']
colors = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_waterfall_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_waterfall_sink_x_0.set_line_label(i, labels[i])
self.qtgui_waterfall_sink_x_0.set_color_map(i, colors[i])
self.qtgui_waterfall_sink_x_0.set_line_alpha(i, alphas[i])
self.qtgui_waterfall_sink_x_0.set_intensity_range(-140, 10)
self._qtgui_waterfall_sink_x_0_win = sip.wrapinstance(
self.qtgui_waterfall_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_waterfall_sink_x_0_win)
self.qtgui_time_sink_x_1 = qtgui.time_sink_f(
20, #size
samp_rate, #samp_rate
"", #name
1 #number of inputs
)
self.qtgui_time_sink_x_1.set_update_time(0.10)
self.qtgui_time_sink_x_1.set_y_axis(-1, 1)
self.qtgui_time_sink_x_1.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_1.enable_tags(-1, True)
self.qtgui_time_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS, 0.0, 0,
0, "")
self.qtgui_time_sink_x_1.enable_autoscale(True)
self.qtgui_time_sink_x_1.enable_grid(False)
self.qtgui_time_sink_x_1.enable_axis_labels(True)
self.qtgui_time_sink_x_1.enable_control_panel(False)
if not True:
self.qtgui_time_sink_x_1.disable_legend()
labels = ['', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "blue"
]
styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_time_sink_x_1.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_1.set_line_label(i, labels[i])
self.qtgui_time_sink_x_1.set_line_width(i, widths[i])
self.qtgui_time_sink_x_1.set_line_color(i, colors[i])
self.qtgui_time_sink_x_1.set_line_style(i, styles[i])
self.qtgui_time_sink_x_1.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_1.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_1_win = sip.wrapinstance(
self.qtgui_time_sink_x_1.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_time_sink_x_1_win)
self.qtgui_time_sink_x_0_0 = qtgui.time_sink_f(
200, #size
samp_rate, #samp_rate
"", #name
1 #number of inputs
)
self.qtgui_time_sink_x_0_0.set_update_time(0.10)
self.qtgui_time_sink_x_0_0.set_y_axis(-1, 2)
self.qtgui_time_sink_x_0_0.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_0_0.enable_tags(-1, True)
self.qtgui_time_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS, 0.0,
0, 0, "")
self.qtgui_time_sink_x_0_0.enable_autoscale(True)
self.qtgui_time_sink_x_0_0.enable_grid(False)
self.qtgui_time_sink_x_0_0.enable_axis_labels(True)
self.qtgui_time_sink_x_0_0.enable_control_panel(False)
if not True:
self.qtgui_time_sink_x_0_0.disable_legend()
labels = ['', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "blue"
]
styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_time_sink_x_0_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_0_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_0_win = sip.wrapinstance(
self.qtgui_time_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_time_sink_x_0_0_win)
self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
200, #size
samp_rate, #samp_rate
"", #name
1 #number of inputs
)
self.qtgui_time_sink_x_0.set_update_time(0.10)
self.qtgui_time_sink_x_0.set_y_axis(-1, 2)
self.qtgui_time_sink_x_0.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_0.enable_tags(-1, True)
self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS, 0.0, 0,
0, "")
self.qtgui_time_sink_x_0.enable_autoscale(True)
self.qtgui_time_sink_x_0.enable_grid(False)
self.qtgui_time_sink_x_0.enable_axis_labels(True)
self.qtgui_time_sink_x_0.enable_control_panel(False)
if not True:
self.qtgui_time_sink_x_0.disable_legend()
labels = ['', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "blue"
]
styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_time_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_win = sip.wrapinstance(
self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_time_sink_x_0_win)
self.meu_qpsk_demod_adapt_cb_0 = meu.qpsk_demod_adapt_cb()
self.meu_phase_finder_vci_0 = meu.phase_finder_vci(
fft_len / 4, fft_len)
self.fft_vxx_1 = fft.fft_vcc(fft_len, True, (), True, 1)
self.fft_vxx_0 = fft.fft_vcc(fft_len, True, (()), True, 1)
self.digital_packet_headerparser_b_0 = digital.packet_headerparser_b(
header_formatter.base())
self.digital_ofdm_tx_0 = digital.ofdm_tx(
fft_len=fft_len,
cp_len=fft_len / 4,
packet_length_tag_key=packet_length_tag_key,
occupied_carriers=occupied_carriers,
pilot_carriers=pilot_carriers,
pilot_symbols=pilot_symbols,
sync_word1=sync_word1,
sync_word2=sync_word2,
bps_header=1,
bps_payload=2,
rolloff=0,
debug_log=True,
scramble_bits=False)
self.digital_ofdm_sync_sc_cfb_0 = digital.ofdm_sync_sc_cfb(
fft_len, fft_len / 4, False)
self.digital_ofdm_serializer_vcc_payload = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key, packet_length_tag_key,
1, '', True)
self.digital_ofdm_serializer_vcc_header = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key, '', 0, '', True)
self.digital_ofdm_frame_equalizer_vcvc_1 = digital.ofdm_frame_equalizer_vcvc(
payload_equalizer.base(), fft_len / 4, length_tag_key, True, 0)
self.digital_ofdm_frame_equalizer_vcvc_0 = digital.ofdm_frame_equalizer_vcvc(
header_equalizer.base(), fft_len / 4, length_tag_key, True, 1)
self.digital_ofdm_chanest_vcvc_0 = digital.ofdm_chanest_vcvc(
(sync_word1), (sync_word2), 1, 0, 3, False)
self.digital_header_payload_demux_0 = digital.header_payload_demux(
3,
fft_len,
fft_len / 4,
length_tag_key,
"",
True,
gr.sizeof_gr_complex,
"rx_time",
samp_rate,
(),
0,
)
self.digital_crc32_bb_0_0 = digital.crc32_bb(True,
packet_length_tag_key,
False)
self.digital_crc32_bb_0 = digital.crc32_bb(True, packet_length_tag_key,
True)
self.digital_constellation_decoder_cb_1 = digital.constellation_decoder_cb(
payload_mod.base())
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(
header_mod.base())
self.channels_channel_model_0 = channels.channel_model(
noise_voltage=100e-12,
frequency_offset=1,
epsilon=1.0,
taps=(1.0, ),
noise_seed=0,
block_tags=True)
self.blocks_uchar_to_float_0_0 = blocks.uchar_to_float()
self.blocks_uchar_to_float_0 = blocks.uchar_to_float()
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
samp_rate, True)
self.blocks_tag_debug_1 = blocks.tag_debug(gr.sizeof_char * 1,
'Rx Bytes', "")
self.blocks_tag_debug_1.set_display(True)
self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(
gr.sizeof_char, 1, packet_len, packet_length_tag_key)
self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb(
payload_mod.bits_per_symbol(), 8, packet_length_tag_key, True,
gr.GR_LSB_FIRST)
self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(
payload_mod.bits_per_symbol(), 8, packet_length_tag_key, True,
gr.GR_LSB_FIRST)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_int_to_float_0 = blocks.int_to_float(1, 1)
self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex * 1,
fft_len + fft_len / 4)
self.analog_random_source_x_0 = blocks.vector_source_b(
map(int, numpy.random.randint(0, 255, 1000)), True)
self.analog_frequency_modulator_fc_0 = analog.frequency_modulator_fc(
-2.0 / fft_len)
##################################################
# Connections
##################################################
self.msg_connect((self.digital_packet_headerparser_b_0, 'header_data'),
(self.digital_header_payload_demux_0, 'header_data'))
self.connect((self.analog_frequency_modulator_fc_0, 0),
(self.blocks_multiply_xx_0, 0))
self.connect((self.analog_random_source_x_0, 0),
(self.blocks_stream_to_tagged_stream_0, 0))
self.connect((self.blocks_delay_0, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_int_to_float_0, 0),
(self.qtgui_time_sink_x_1, 0))
self.connect((self.blocks_multiply_xx_0, 0),
(self.digital_header_payload_demux_0, 0))
self.connect((self.blocks_repack_bits_bb_0, 0),
(self.digital_crc32_bb_0, 0))
self.connect((self.blocks_repack_bits_bb_0_0, 0),
(self.blocks_uchar_to_float_0_0, 0))
self.connect((self.blocks_repack_bits_bb_0_0, 0),
(self.digital_crc32_bb_0_0, 0))
self.connect((self.blocks_stream_to_tagged_stream_0, 0),
(self.digital_ofdm_tx_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.blocks_delay_0, 0))
self.connect((self.blocks_throttle_0, 0),
(self.digital_ofdm_sync_sc_cfb_0, 0))
self.connect((self.blocks_uchar_to_float_0, 0),
(self.qtgui_time_sink_x_0, 0))
self.connect((self.blocks_uchar_to_float_0_0, 0),
(self.qtgui_time_sink_x_0_0, 0))
self.connect((self.channels_channel_model_0, 0),
(self.blocks_throttle_0, 0))
self.connect((self.digital_constellation_decoder_cb_0, 0),
(self.digital_packet_headerparser_b_0, 0))
self.connect((self.digital_constellation_decoder_cb_1, 0),
(self.blocks_repack_bits_bb_0, 0))
self.connect((self.digital_crc32_bb_0, 0),
(self.blocks_uchar_to_float_0, 0))
self.connect((self.digital_crc32_bb_0_0, 0),
(self.blocks_tag_debug_1, 0))
self.connect((self.digital_header_payload_demux_0, 0),
(self.fft_vxx_0, 0))
self.connect((self.digital_header_payload_demux_0, 1),
(self.fft_vxx_1, 0))
self.connect((self.digital_ofdm_chanest_vcvc_0, 0),
(self.digital_ofdm_frame_equalizer_vcvc_0, 0))
self.connect((self.digital_ofdm_chanest_vcvc_0, 0),
(self.meu_phase_finder_vci_0, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_0, 0),
(self.digital_ofdm_serializer_vcc_header, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_1, 0),
(self.digital_ofdm_serializer_vcc_payload, 0))
self.connect((self.digital_ofdm_serializer_vcc_header, 0),
(self.digital_constellation_decoder_cb_0, 0))
self.connect((self.digital_ofdm_serializer_vcc_payload, 0),
(self.digital_constellation_decoder_cb_1, 0))
self.connect((self.digital_ofdm_serializer_vcc_payload, 0),
(self.meu_qpsk_demod_adapt_cb_0, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 0),
(self.analog_frequency_modulator_fc_0, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 1),
(self.digital_header_payload_demux_0, 1))
self.connect((self.digital_ofdm_tx_0, 0),
(self.channels_channel_model_0, 0))
self.connect((self.fft_vxx_0, 0),
(self.digital_ofdm_chanest_vcvc_0, 0))
self.connect((self.fft_vxx_1, 0),
(self.digital_ofdm_frame_equalizer_vcvc_1, 0))
self.connect((self.meu_phase_finder_vci_0, 0),
(self.blocks_int_to_float_0, 0))
self.connect((self.meu_phase_finder_vci_0, 0),
(self.meu_qpsk_demod_adapt_cb_0, 1))
self.connect((self.meu_qpsk_demod_adapt_cb_0, 0),
(self.blocks_repack_bits_bb_0_0, 0))
def __init__(self):
gr.top_block.__init__(self, "OFDM_TX_RX_1")
Qt.QWidget.__init__(self)
self.setWindowTitle("OFDM_TX_RX_1")
qtgui.util.check_set_qss()
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "OFDM_TX_RX_1")
try:
if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
self.restoreGeometry(self.settings.value("geometry").toByteArray())
else:
self.restoreGeometry(self.settings.value("geometry"))
except:
pass
##################################################
# Variables
##################################################
self.pilot_symbols = pilot_symbols = ((1, 1, 1, -1,),)
self.pilot_carriers = pilot_carriers = ((-21, -7, 7, 21,),)
self.payload_mod = payload_mod = digital.constellation_qpsk()
self.packet_length_tag_key = packet_length_tag_key = "packet_len"
self.occupied_carriers = occupied_carriers = (list(range(-26, -21)) + list(range(-20, -7)) + list(range(-6, 0)) + list(range(1, 7)) + list(range(8, 21)) + list(range(22, 27)),)
self.length_tag_key_rx = length_tag_key_rx = "frame_len"
self.header_mod = header_mod = digital.constellation_bpsk()
self.fft_len = fft_len = 64
self.sync_word2 = sync_word2 = [0, 0, 0, 0, 0, 0, -1, -1, -1, -1, 1, 1, -1, -1, -1, 1, -1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, 1, -1, -1, 1, -1, 0, 1, -1, 1, 1, 1, -1, 1, 1, 1, -1, 1, 1, 1, 1, -1, 1, -1, -1, -1, 1, -1, 1, -1, -1, -1, -1, 0, 0, 0, 0, 0]
self.sync_word1 = sync_word1 = [0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 0., 0., 0., 0., 0.]
self.samp_rate = samp_rate = 1000000
self.rolloff = rolloff = 0
self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe(fft_len, payload_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols, 1)
self.packet_len = packet_len = 30
self.length_tag_key = length_tag_key = "packet_len"
self.header_len = header_len = 10
self.header_formatter = header_formatter = digital.packet_header_ofdm(occupied_carriers, n_syms=1, len_tag_key=packet_length_tag_key, frame_len_tag_key=length_tag_key_rx, bits_per_header_sym=header_mod.bits_per_symbol(), bits_per_payload_sym=payload_mod.bits_per_symbol(), scramble_header=False)
self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe(fft_len, header_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols)
##################################################
# Blocks
##################################################
self.uhd_usrp_source_0 = uhd.usrp_source(
",".join(("", "")),
uhd.stream_args(
cpu_format="fc32",
args='',
channels=[],
),
)
self.uhd_usrp_source_0.set_center_freq(3.555e9, 0)
self.uhd_usrp_source_0.set_gain(36, 0)
self.uhd_usrp_source_0.set_antenna('RX2', 0)
self.uhd_usrp_source_0.set_bandwidth(0.5e6, 0)
self.uhd_usrp_source_0.set_samp_rate(samp_rate)
self.uhd_usrp_source_0.set_time_unknown_pps(uhd.time_spec())
self.qtgui_time_sink_x_0 = qtgui.time_sink_c(
1024, #size
samp_rate, #samp_rate
"", #name
1 #number of inputs
)
self.qtgui_time_sink_x_0.set_update_time(0.10)
self.qtgui_time_sink_x_0.set_y_axis(-1, 1)
self.qtgui_time_sink_x_0.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_0.enable_tags(True)
self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
self.qtgui_time_sink_x_0.enable_autoscale(False)
self.qtgui_time_sink_x_0.enable_grid(False)
self.qtgui_time_sink_x_0.enable_axis_labels(True)
self.qtgui_time_sink_x_0.enable_control_panel(False)
self.qtgui_time_sink_x_0.enable_stem_plot(False)
labels = ['Signal 1', 'Signal 2', 'Signal 3', 'Signal 4', 'Signal 5',
'Signal 6', 'Signal 7', 'Signal 8', 'Signal 9', 'Signal 10']
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ['blue', 'red', 'green', 'black', 'cyan',
'magenta', 'yellow', 'dark red', 'dark green', 'dark blue']
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
styles = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1,
-1, -1, -1, -1, -1]
for i in range(2):
if len(labels[i]) == 0:
if (i % 2 == 0):
self.qtgui_time_sink_x_0.set_line_label(i, "Re{{Data {0}}}".format(i/2))
else:
self.qtgui_time_sink_x_0.set_line_label(i, "Im{{Data {0}}}".format(i/2))
else:
self.qtgui_time_sink_x_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_win)
self.fft_vxx_1 = fft.fft_vcc(fft_len, True, (), True, 1)
self.fft_vxx_0_0 = fft.fft_vcc(fft_len, True, (), True, 1)
self.digital_packet_headerparser_b_0 = digital.packet_headerparser_b(header_formatter.base())
self.digital_ofdm_sync_sc_cfb_0 = digital.ofdm_sync_sc_cfb(fft_len, 16, False, 0.9)
self.digital_ofdm_serializer_vcc_payload = digital.ofdm_serializer_vcc(fft_len, occupied_carriers, length_tag_key_rx, packet_length_tag_key, 1, '', True)
self.digital_ofdm_serializer_vcc_header = digital.ofdm_serializer_vcc(fft_len, occupied_carriers, length_tag_key_rx, '', 0, '', True)
self.digital_ofdm_frame_equalizer_vcvc_1 = digital.ofdm_frame_equalizer_vcvc(payload_equalizer.base(), 16, length_tag_key_rx, True, 0)
self.digital_ofdm_frame_equalizer_vcvc_0 = digital.ofdm_frame_equalizer_vcvc(header_equalizer.base(), 16, length_tag_key_rx, True, 1)
self.digital_ofdm_chanest_vcvc_0 = digital.ofdm_chanest_vcvc(sync_word1, sync_word2, 1, 0, 3, False)
self.digital_header_payload_demux_0 = digital.header_payload_demux(
3,
fft_len,
16,
length_tag_key_rx,
"",
True,
gr.sizeof_gr_complex,
"rx_time",
samp_rate,
(),
0)
self.digital_crc32_bb_0_0 = digital.crc32_bb(True, packet_length_tag_key, True)
self.digital_constellation_decoder_cb_1 = digital.constellation_decoder_cb(payload_mod.base())
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(header_mod.base())
self.blocks_tag_debug_1 = blocks.tag_debug(gr.sizeof_char*1, 'Rx Bytes', "")
self.blocks_tag_debug_1.set_display(False)
self.blocks_repack_bits_bb_0_1 = blocks.repack_bits_bb(payload_mod.bits_per_symbol(), 8, packet_length_tag_key, True, gr.GR_LSB_FIRST)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char*1, '/tmp/rx.txt', False)
self.blocks_file_sink_0.set_unbuffered(True)
self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex*1, 80)
self.analog_frequency_modulator_fc_0 = analog.frequency_modulator_fc(-2.0/fft_len)
##################################################
# Connections
##################################################
self.msg_connect((self.digital_packet_headerparser_b_0, 'header_data'), (self.digital_header_payload_demux_0, 'header_data'))
self.connect((self.analog_frequency_modulator_fc_0, 0), (self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_delay_0, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_multiply_xx_0, 0), (self.digital_header_payload_demux_0, 0))
self.connect((self.blocks_repack_bits_bb_0_1, 0), (self.digital_crc32_bb_0_0, 0))
self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_packet_headerparser_b_0, 0))
self.connect((self.digital_constellation_decoder_cb_1, 0), (self.blocks_repack_bits_bb_0_1, 0))
self.connect((self.digital_crc32_bb_0_0, 0), (self.blocks_file_sink_0, 0))
self.connect((self.digital_crc32_bb_0_0, 0), (self.blocks_tag_debug_1, 0))
self.connect((self.digital_header_payload_demux_0, 0), (self.fft_vxx_0_0, 0))
self.connect((self.digital_header_payload_demux_0, 1), (self.fft_vxx_1, 0))
self.connect((self.digital_ofdm_chanest_vcvc_0, 0), (self.digital_ofdm_frame_equalizer_vcvc_0, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_0, 0), (self.digital_ofdm_serializer_vcc_header, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_1, 0), (self.digital_ofdm_serializer_vcc_payload, 0))
self.connect((self.digital_ofdm_serializer_vcc_header, 0), (self.digital_constellation_decoder_cb_0, 0))
self.connect((self.digital_ofdm_serializer_vcc_payload, 0), (self.digital_constellation_decoder_cb_1, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 0), (self.analog_frequency_modulator_fc_0, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 1), (self.digital_header_payload_demux_0, 1))
self.connect((self.fft_vxx_0_0, 0), (self.digital_ofdm_chanest_vcvc_0, 0))
self.connect((self.fft_vxx_1, 0), (self.digital_ofdm_frame_equalizer_vcvc_1, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.blocks_delay_0, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.digital_ofdm_sync_sc_cfb_0, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.qtgui_time_sink_x_0, 0))
def __init__(
self,
pilot_carriers=((-40, -14, 13, 39),),
pilot_symbols=((1, 1, 1, -1),),
occupied_carriers=(
[
-54,
-53,
-52,
-51,
-50,
-49,
-48,
-47,
-46,
-45,
-44,
-43,
-42,
-41,
-39,
-38,
-37,
-36,
-35,
-34,
-33,
-32,
-31,
-30,
-29,
-28,
-27,
-26,
-25,
-24,
-23,
-22,
-21,
-20,
-19,
-18,
-17,
-16,
-15,
-13,
-12,
-11,
-10,
-9,
-8,
-7,
-6,
-5,
-4,
-3,
-2,
-1,
1,
2,
3,
4,
5,
6,
7,
8,
9,
10,
11,
12,
14,
15,
16,
17,
18,
19,
20,
21,
22,
23,
24,
25,
26,
27,
28,
29,
30,
31,
32,
33,
34,
35,
36,
37,
38,
40,
41,
42,
43,
44,
45,
46,
47,
48,
49,
50,
51,
52,
53,
],
),
samp_rate=10000,
payload_mod="qpsk",
sync_word1=[
0.0,
0.0,
0.0,
0.0,
0.0,
0.0,
0.0,
0.0,
0.0,
0.0,
0.0,
-1.42,
0.0,
-1.42,
0.0,
-1.42,
0.0,
1.42,
0.0,
1.42,
0.0,
-1.42,
0.0,
-1.42,
0.0,
-1.42,
0.0,
1.42,
0.0,
-1.42,
0.0,
1.42,
0.0,
1.42,
0.0,
1.42,
0.0,
1.42,
0.0,
1.42,
0.0,
-1.42,
0.0,
-1.42,
0.0,
-1.42,
0.0,
-1.42,
0.0,
-1.42,
0.0,
1.42,
0.0,
-1.42,
0.0,
-1.42,
0.0,
1.42,
0.0,
-1.42,
0.0,
1.42,
0.0,
-1.42,
0.0,
1.42,
0.0,
-1.42,
0.0,
1.42,
0.0,
1.42,
0.0,
1.42,
0.0,
-1.42,
0.0,
1.42,
0.0,
1.42,
0.0,
1.42,
0.0,
-1.42,
0.0,
1.42,
0.0,
1.42,
0.0,
1.42,
0.0,
1.42,
0.0,
-1.42,
0.0,
1.42,
0.0,
-1.42,
0.0,
-1.42,
0.0,
-1.42,
0.0,
1.42,
0.0,
-1.42,
0.0,
1.42,
0.0,
-1.42,
0.0,
-1.42,
0.0,
-1.42,
0.0,
-1.42,
0.0,
-1.42,
0.0,
0.0,
0.0,
0.0,
0.0,
0.0,
0.0,
0.0,
0.0,
0.0,
],
sync_word2=[
0j,
0j,
0j,
0j,
0j,
0j,
0j,
0j,
0j,
0j,
(-1 + 0j),
(1 + 0j),
(-1 + 0j),
(-1 + 0j),
(1 + 0j),
(1 + 0j),
(1 + 0j),
(1 + 0j),
(1 + 0j),
(1 + 0j),
(1 + 0j),
(1 + 0j),
(-1 + 0j),
(-1 + 0j),
(1 + 0j),
(-1 + 0j),
(-1 + 0j),
(-1 + 0j),
(-1 + 0j),
(1 + 0j),
(-1 + 0j),
(1 + 0j),
(-1 + 0j),
(-1 + 0j),
(-1 + 0j),
(1 + 0j),
(-1 + 0j),
(1 + 0j),
(-1 + 0j),
(1 + 0j),
(-1 + 0j),
(1 + 0j),
(1 + 0j),
(-1 + 0j),
(1 + 0j),
(-1 + 0j),
(-1 + 0j),
(-1 + 0j),
(-1 + 0j),
(-1 + 0j),
(-1 + 0j),
(-1 + 0j),
(-1 + 0j),
(-1 + 0j),
(-1 + 0j),
(-1 + 0j),
(1 + 0j),
(1 + 0j),
(-1 + 0j),
(-1 + 0j),
(-1 + 0j),
(-1 + 0j),
(-1 + 0j),
(-1 + 0j),
0j,
(1 + 0j),
(-1 + 0j),
(1 + 0j),
(1 + 0j),
(1 + 0j),
(-1 + 0j),
(1 + 0j),
(1 + 0j),
(1 + 0j),
(-1 + 0j),
(1 + 0j),
(1 + 0j),
(1 + 0j),
(1 + 0j),
(-1 + 0j),
(1 + 0j),
(-1 + 0j),
(-1 + 0j),
(-1 + 0j),
(1 + 0j),
(-1 + 0j),
(1 + 0j),
(-1 + 0j),
(-1 + 0j),
(-1 + 0j),
(-1 + 0j),
(-1 + 0j),
(-1 + 0j),
(-1 + 0j),
(-1 + 0j),
(1 + 0j),
(1 + 0j),
(-1 + 0j),
(-1 + 0j),
(-1 + 0j),
(1 + 0j),
(-1 + 0j),
(1 + 0j),
(1 + 0j),
(1 + 0j),
(1 + 0j),
(1 + 0j),
(-1 + 0j),
(-1 + 0j),
(-1 + 0j),
(-1 + 0j),
(-1 + 0j),
(1 + 0j),
(-1 + 0j),
(-1 + 0j),
(1 + 0j),
(-1 + 0j),
(1 + 0j),
0j,
0j,
0j,
0j,
0j,
0j,
0j,
0j,
0j,
0j,
],
scramble_mode=0,
crc_mode=0,
clipper_mode=0,
filter_mode=1,
clipping_factor=10,
):
gr.hier_block2.__init__(
self,
"Ofdm Radio Hier",
gr.io_signaturev(2, 2, [gr.sizeof_char * 1, gr.sizeof_gr_complex * 1]),
gr.io_signaturev(2, 2, [gr.sizeof_char * 1, gr.sizeof_gr_complex * 1]),
)
##################################################
# Parameters
##################################################
self.pilot_carriers = pilot_carriers
self.pilot_symbols = pilot_symbols
self.occupied_carriers = occupied_carriers
self.samp_rate = samp_rate
self.sync_word1 = sync_word1
self.sync_word2 = sync_word2
self.scramble_mode = scramble_mode
self.crc_mode = crc_mode
self.clipping_factor = clipping_factor
self.clipper_mode = clipper_mode
self.filter_mode = filter_mode
if payload_mod == "qpsk":
self.payload_mod = payload_mod = digital.constellation_qpsk()
elif payload_mod == "qam16":
self.payload_mod = payload_mod = digital.qam.qam_constellation(16, True, "none", False)
elif payload_mod == "bpsk":
self.payload_mod = payload_mod = digital.constellation_bpsk()
##################################################
# Variables
##################################################
self.packet_length_tag_key = packet_length_tag_key = "packet_len"
self.length_tag_key = length_tag_key = "frame_len"
self.header_mod = header_mod = digital.constellation_bpsk()
self.fft_len = fft_len = (len(sync_word1) + len(sync_word2)) / 2
self.scramble_seed = scramble_seed = 0x7F
self.rolloff = rolloff = 0
self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe(
fft_len, payload_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols, 1
)
self.len_ocup_carr = len_ocup_carr = len(occupied_carriers[0])
self.header_formatter = header_formatter = digital.packet_header_ofdm(
occupied_carriers,
n_syms=1,
len_tag_key=packet_length_tag_key,
frame_len_tag_key=length_tag_key,
bits_per_header_sym=header_mod.bits_per_symbol(),
bits_per_payload_sym=payload_mod.bits_per_symbol(),
scramble_header=True,
)
self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe(
fft_len, header_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols
)
self.forward_OOB = forward_OOB = [
0.40789374966665903,
3.2351160543115207,
11.253435139165413,
22.423991613997735,
27.99555756436666,
22.423991613997735,
11.253435139165425,
3.235116054311531,
0.40789374966666014,
]
self.feedback_OOB = feedback_OOB = [
1.0,
6.170110168740749,
16.888669609673336,
26.73762881119027,
26.75444043101795,
17.322358010203928,
7.091659316015212,
1.682084643429639,
0.17795354282083842,
]
self.cp_len_0 = cp_len_0 = fft_len / 4
self.cp_len = cp_len = fft_len / 4
self.active_carriers = active_carriers = len(occupied_carriers[0]) + 4
##################################################
# Blocks
##################################################
self.ofdm_tools_clipper_0 = ofdm_tools.clipper_cc(clipping_factor)
self.iir_filter_xxx_1 = filter.iir_filter_ccd((forward_OOB), (feedback_OOB), False)
self.fft_vxx_txpath = fft.fft_vcc(fft_len, False, (()), True, 1)
self.fft_vxx_2_rxpath = fft.fft_vcc(fft_len, True, (), True, 1)
self.fft_vxx_1_rxpath = fft.fft_vcc(fft_len, True, (()), True, 1)
self.digital_packet_headerparser_b_rxpath = digital.packet_headerparser_b(header_formatter.base())
self.digital_packet_headergenerator_bb_txpath = digital.packet_headergenerator_bb(
header_formatter.formatter(), "packet_len"
)
self.digital_ofdm_sync_sc_cfb_rxpath = digital.ofdm_sync_sc_cfb(fft_len, fft_len / 4, False)
self.digital_ofdm_serializer_vcc_payload_rxpath = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key, packet_length_tag_key, 1, "", True
)
self.digital_ofdm_serializer_vcc_header_rxpath = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key, "", 0, "", True
)
self.digital_ofdm_frame_equalizer_vcvc_2_rxpath = digital.ofdm_frame_equalizer_vcvc(
payload_equalizer.base(), cp_len, length_tag_key, True, 0
)
self.digital_ofdm_frame_equalizer_vcvc_1_rxpath = digital.ofdm_frame_equalizer_vcvc(
header_equalizer.base(), cp_len, length_tag_key, True, 1
)
self.digital_ofdm_cyclic_prefixer_txpath = digital.ofdm_cyclic_prefixer(
fft_len, fft_len + cp_len, rolloff, packet_length_tag_key
)
(self.digital_ofdm_cyclic_prefixer_txpath).set_min_output_buffer(24000)
self.digital_ofdm_chanest_vcvc_rxpath = digital.ofdm_chanest_vcvc((sync_word1), (sync_word2), 1, 0, 3, False)
self.digital_ofdm_carrier_allocator_cvc_txpath = digital.ofdm_carrier_allocator_cvc(
fft_len, occupied_carriers, pilot_carriers, pilot_symbols, (sync_word1, sync_word2), packet_length_tag_key
)
(self.digital_ofdm_carrier_allocator_cvc_txpath).set_min_output_buffer(16000)
self.digital_header_payload_demux_rxpath = digital.header_payload_demux(
3, fft_len, cp_len, length_tag_key, "", True, gr.sizeof_gr_complex, "rx_time", samp_rate, ()
)
self.digital_crc32_bb_txpath = digital.crc32_bb(False, packet_length_tag_key)
self.digital_crc32_bb_rxpath = digital.crc32_bb(True, packet_length_tag_key)
self.digital_constellation_decoder_cb_1_rxpath = digital.constellation_decoder_cb(payload_mod.base())
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(header_mod.base())
self.digital_chunks_to_symbols_x_txpath = digital.chunks_to_symbols_bc((payload_mod.points()), 1)
self.digital_chunks_to_symbols_txpath = digital.chunks_to_symbols_bc((header_mod.points()), 1)
self.digital_additive_scrambler_bb_txpath_0 = digital.additive_scrambler_bb(
0x8A, 0x7F, 7, 0, bits_per_byte=8, reset_tag_key=self.packet_length_tag_key
)
self.digital_additive_scrambler_bb_rxpath_0 = digital.additive_scrambler_bb(
0x8A, 0x7F, 7, 0, bits_per_byte=8, reset_tag_key=self.packet_length_tag_key
)
self.blocks_tagged_stream_mux_txpath = blocks.tagged_stream_mux(
gr.sizeof_gr_complex * 1, packet_length_tag_key, 0
)
(self.blocks_tagged_stream_mux_txpath).set_min_output_buffer(16000)
self.blocks_tag_gate_txpath = blocks.tag_gate(gr.sizeof_gr_complex * 1, False)
self.blocks_repack_bits_bb_txpath = blocks.repack_bits_bb(
8, payload_mod.bits_per_symbol(), packet_length_tag_key, False
)
self.blocks_repack_bits_bb_rxpath = blocks.repack_bits_bb(
payload_mod.bits_per_symbol(), 8, packet_length_tag_key, True
)
self.blocks_multiply_xx_rxpath = blocks.multiply_vcc(1)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((0.01,))
self.blocks_delay_rxpath = blocks.delay(gr.sizeof_gr_complex * 1, fft_len + fft_len / 4)
self.blks2_selector_0_2 = grc_blks2.selector(
item_size=gr.sizeof_gr_complex * 1, num_inputs=2, num_outputs=1, input_index=clipper_mode, output_index=0
)
self.blks2_selector_0_1 = grc_blks2.selector(
item_size=gr.sizeof_char * 1, num_inputs=2, num_outputs=1, input_index=scramble_mode, output_index=0
)
self.blks2_selector_0_0_0 = grc_blks2.selector(
item_size=gr.sizeof_char * 1, num_inputs=2, num_outputs=1, input_index=scramble_mode, output_index=0
)
self.blks2_selector_0_0 = grc_blks2.selector(
item_size=gr.sizeof_char * 1, num_inputs=2, num_outputs=1, input_index=crc_mode, output_index=0
)
self.blks2_selector_0 = grc_blks2.selector(
item_size=gr.sizeof_char * 1, num_inputs=2, num_outputs=1, input_index=crc_mode, output_index=0
)
self.blks2_selector_0_2_0 = grc_blks2.selector(
item_size=gr.sizeof_gr_complex * 1, num_inputs=2, num_outputs=1, input_index=filter_mode, output_index=0
)
self.analog_frequency_modulator_fc_rxpath = analog.frequency_modulator_fc(-2.0 / fft_len)
self.analog_agc2_xx_0 = analog.agc2_cc(1e-1, 1e-2, 1.0, 1.0)
self.analog_agc2_xx_0.set_max_gain(65536)
##################################################
# Connections
##################################################
self.connect((self.digital_ofdm_sync_sc_cfb_rxpath, 0), (self.analog_frequency_modulator_fc_rxpath, 0))
self.connect((self.analog_agc2_xx_0, 0), (self.digital_ofdm_sync_sc_cfb_rxpath, 0))
self.connect((self.analog_agc2_xx_0, 0), (self.blocks_delay_rxpath, 0))
self.connect((self.digital_packet_headergenerator_bb_txpath, 0), (self.digital_chunks_to_symbols_txpath, 0))
self.connect((self.blocks_repack_bits_bb_txpath, 0), (self.digital_chunks_to_symbols_x_txpath, 0))
self.connect((self.digital_chunks_to_symbols_txpath, 0), (self.blocks_tagged_stream_mux_txpath, 0))
self.connect((self.digital_chunks_to_symbols_x_txpath, 0), (self.blocks_tagged_stream_mux_txpath, 1))
self.connect((self.digital_ofdm_cyclic_prefixer_txpath, 0), (self.blocks_tag_gate_txpath, 0))
self.connect((self.fft_vxx_txpath, 0), (self.digital_ofdm_cyclic_prefixer_txpath, 0))
self.connect((self.blocks_tagged_stream_mux_txpath, 0), (self.digital_ofdm_carrier_allocator_cvc_txpath, 0))
self.connect((self.digital_ofdm_carrier_allocator_cvc_txpath, 0), (self.fft_vxx_txpath, 0))
self.connect((self.digital_header_payload_demux_rxpath, 0), (self.fft_vxx_1_rxpath, 0))
self.connect((self.fft_vxx_1_rxpath, 0), (self.digital_ofdm_chanest_vcvc_rxpath, 0))
self.connect(
(self.digital_ofdm_frame_equalizer_vcvc_1_rxpath, 0), (self.digital_ofdm_serializer_vcc_header_rxpath, 0)
)
self.connect((self.digital_ofdm_chanest_vcvc_rxpath, 0), (self.digital_ofdm_frame_equalizer_vcvc_1_rxpath, 0))
self.connect((self.digital_header_payload_demux_rxpath, 1), (self.fft_vxx_2_rxpath, 0))
self.connect(
(self.digital_ofdm_frame_equalizer_vcvc_2_rxpath, 0), (self.digital_ofdm_serializer_vcc_payload_rxpath, 0)
)
self.connect((self.fft_vxx_2_rxpath, 0), (self.digital_ofdm_frame_equalizer_vcvc_2_rxpath, 0))
self.connect(
(self.digital_ofdm_serializer_vcc_payload_rxpath, 0), (self.digital_constellation_decoder_cb_1_rxpath, 0)
)
self.connect((self.digital_constellation_decoder_cb_1_rxpath, 0), (self.blocks_repack_bits_bb_rxpath, 0))
self.connect((self.digital_ofdm_serializer_vcc_header_rxpath, 0), (self.digital_constellation_decoder_cb_0, 0))
self.connect((self.analog_frequency_modulator_fc_rxpath, 0), (self.blocks_multiply_xx_rxpath, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_rxpath, 1), (self.digital_header_payload_demux_rxpath, 1))
self.connect((self.blocks_multiply_xx_rxpath, 0), (self.digital_header_payload_demux_rxpath, 0))
self.connect((self.blocks_delay_rxpath, 0), (self.blocks_multiply_xx_rxpath, 1))
self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_packet_headerparser_b_rxpath, 0))
self.connect((self, 0), (self.digital_crc32_bb_txpath, 0))
self.connect((self, 1), (self.analog_agc2_xx_0, 0))
self.connect((self.blocks_tag_gate_txpath, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self, 0), (self.blks2_selector_0, 0))
self.connect((self.digital_crc32_bb_txpath, 0), (self.blks2_selector_0, 1))
self.connect((self.blks2_selector_0_1, 0), (self.blocks_repack_bits_bb_txpath, 0))
self.connect((self.blks2_selector_0, 0), (self.digital_packet_headergenerator_bb_txpath, 0))
self.connect((self.blks2_selector_0, 0), (self.digital_additive_scrambler_bb_txpath_0, 0))
self.connect((self.digital_additive_scrambler_bb_txpath_0, 0), (self.blks2_selector_0_1, 1))
self.connect((self.blks2_selector_0, 0), (self.blks2_selector_0_1, 0))
self.connect((self.digital_crc32_bb_rxpath, 0), (self.blks2_selector_0_0, 1))
self.connect((self.digital_additive_scrambler_bb_rxpath_0, 0), (self.blks2_selector_0_0_0, 1))
self.connect((self.blocks_repack_bits_bb_rxpath, 0), (self.digital_additive_scrambler_bb_rxpath_0, 0))
self.connect((self.blocks_repack_bits_bb_rxpath, 0), (self.blks2_selector_0_0_0, 0))
self.connect((self.blks2_selector_0_0_0, 0), (self.digital_crc32_bb_rxpath, 0))
self.connect((self.blks2_selector_0_0_0, 0), (self.blks2_selector_0_0, 0))
self.connect((self.blks2_selector_0_0, 0), (self, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.ofdm_tools_clipper_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.blks2_selector_0_2, 0))
self.connect(self.blks2_selector_0_2, self.iir_filter_xxx_1)
self.connect(self.blks2_selector_0_2, (self.blks2_selector_0_2_0, 0))
self.connect(self.iir_filter_xxx_1, (self.blks2_selector_0_2_0, 1))
self.connect(self.blks2_selector_0_2_0, (self, 1))
self.connect((self.ofdm_tools_clipper_0, 0), (self.blks2_selector_0_2, 1))
##################################################
# Asynch Message Connections
##################################################
self.msg_connect(
self.digital_packet_headerparser_b_rxpath,
"header_data",
self.digital_header_payload_demux_rxpath,
"header_data",
)
def __init__(self):
gr.top_block.__init__(self, "OFDM Rx")
Qt.QWidget.__init__(self)
self.setWindowTitle("OFDM Rx")
qtgui.util.check_set_qss()
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "rx_ofdm")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.pilot_symbols = pilot_symbols = ((
1,
1,
1,
-1,
), )
self.pilot_carriers = pilot_carriers = ((
-21,
-7,
7,
21,
), )
self.payload_mod = payload_mod = digital.constellation_qpsk()
self.packet_length_tag_key = packet_length_tag_key = "packet_len"
self.occupied_carriers = occupied_carriers = (
range(-26, -21) + range(-20, -7) + range(-6, 0) + range(1, 7) +
range(8, 21) + range(22, 27), )
self.length_tag_key = length_tag_key = "frame_len"
self.header_mod = header_mod = digital.constellation_bpsk()
self.fft_len = fft_len = 64
self.tun_gain = tun_gain = 30
self.sync_word2 = sync_word2 = [
0j, 0j, 0j, 0j, 0j, 0j, (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j),
(1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j),
(-1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j),
(-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j),
(-1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), 0j, (1 + 0j), (-1 + 0j),
(1 + 0j), (1 + 0j), (1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j),
(1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j),
(-1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j),
(-1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j),
0j, 0j, 0j, 0j, 0j
]
self.sync_word1 = sync_word1 = [
0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0.,
1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0.,
1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0.,
-1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
0., 0., 0., 0., 0.
]
self.samp_rate = samp_rate = 2000000
self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe(
fft_len, payload_mod.base(), occupied_carriers, pilot_carriers,
pilot_symbols, 1)
self.packet_len = packet_len = 478
self.header_formatter = header_formatter = digital.packet_header_ofdm(
occupied_carriers,
n_syms=1,
len_tag_key=packet_length_tag_key,
frame_len_tag_key=length_tag_key,
bits_per_header_sym=header_mod.bits_per_symbol(),
bits_per_payload_sym=payload_mod.bits_per_symbol(),
scramble_header=False)
self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe(
fft_len, header_mod.base(), occupied_carriers, pilot_carriers,
pilot_symbols)
##################################################
# Blocks
##################################################
self._tun_gain_range = Range(0, 50, 2, 30, 200)
self._tun_gain_win = RangeWidget(self._tun_gain_range,
self.set_tun_gain, "tun_gain",
"counter_slider", float)
self.top_grid_layout.addWidget(self._tun_gain_win)
self.uhd_usrp_source_0 = uhd.usrp_source(
",".join(("serial=31DD6FA", "")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_source_0.set_samp_rate(3e6)
self.uhd_usrp_source_0.set_center_freq(1e9, 0)
self.uhd_usrp_source_0.set_gain(tun_gain, 0)
self.uhd_usrp_source_0.set_antenna('TX/RX', 0)
self.qtgui_sink_x_0 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
1E9, #fc
samp_rate, #bw
"", #name
True, #plotfreq
True, #plotwaterfall
True, #plottime
True, #plotconst
)
self.qtgui_sink_x_0.set_update_time(1.0 / 10)
self._qtgui_sink_x_0_win = sip.wrapinstance(
self.qtgui_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_sink_x_0_win)
self.qtgui_sink_x_0.enable_rf_freq(False)
self.fft_vxx_1 = fft.fft_vcc(fft_len, True, (), True, 1)
self.fft_vxx_0 = fft.fft_vcc(fft_len, True, (()), True, 1)
self.digital_packet_headerparser_b_0 = digital.packet_headerparser_b(
header_formatter.base())
self.digital_ofdm_sync_sc_cfb_0 = digital.ofdm_sync_sc_cfb(
fft_len, fft_len / 4, False, 0.9)
self.digital_ofdm_serializer_vcc_payload = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key, packet_length_tag_key,
1, '', True)
self.digital_ofdm_serializer_vcc_header = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key, '', 0, '', True)
self.digital_ofdm_frame_equalizer_vcvc_1 = digital.ofdm_frame_equalizer_vcvc(
payload_equalizer.base(), fft_len / 4, length_tag_key, True, 0)
self.digital_ofdm_frame_equalizer_vcvc_0 = digital.ofdm_frame_equalizer_vcvc(
header_equalizer.base(), fft_len / 4, length_tag_key, True, 1)
self.digital_ofdm_chanest_vcvc_0 = digital.ofdm_chanest_vcvc(
(sync_word1), (sync_word2), 1, 0, 3, False)
self.digital_header_payload_demux_0 = digital.header_payload_demux(
3,
fft_len,
fft_len / 4,
length_tag_key,
"",
True,
gr.sizeof_gr_complex,
"rx_time",
samp_rate,
(),
0,
)
self.digital_crc32_bb_0 = digital.crc32_bb(True, packet_length_tag_key,
True)
self.digital_constellation_decoder_cb_1 = digital.constellation_decoder_cb(
payload_mod.base())
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(
header_mod.base())
self.blocks_uchar_to_float_0 = blocks.uchar_to_float()
self.blocks_tag_debug_1 = blocks.tag_debug(gr.sizeof_char * 1,
'Rx Bytes', "")
self.blocks_tag_debug_1.set_display(True)
self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(
payload_mod.bits_per_symbol(), 8, packet_length_tag_key, True,
gr.GR_LSB_FIRST)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_file_sink_0 = blocks.file_sink(
gr.sizeof_float * 1, '/home/csy/worktest/yan/specturm_data0',
False)
self.blocks_file_sink_0.set_unbuffered(True)
self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex * 1,
fft_len + fft_len / 4)
self.analog_frequency_modulator_fc_0 = analog.frequency_modulator_fc(
-2.0 / fft_len)
##################################################
# Connections
##################################################
self.msg_connect((self.digital_packet_headerparser_b_0, 'header_data'),
(self.digital_header_payload_demux_0, 'header_data'))
self.connect((self.analog_frequency_modulator_fc_0, 0),
(self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_delay_0, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_multiply_xx_0, 0),
(self.digital_header_payload_demux_0, 0))
self.connect((self.blocks_repack_bits_bb_0, 0),
(self.digital_crc32_bb_0, 0))
self.connect((self.blocks_uchar_to_float_0, 0),
(self.blocks_file_sink_0, 0))
self.connect((self.digital_constellation_decoder_cb_0, 0),
(self.digital_packet_headerparser_b_0, 0))
self.connect((self.digital_constellation_decoder_cb_1, 0),
(self.blocks_repack_bits_bb_0, 0))
self.connect((self.digital_crc32_bb_0, 0),
(self.blocks_tag_debug_1, 0))
self.connect((self.digital_crc32_bb_0, 0),
(self.blocks_uchar_to_float_0, 0))
self.connect((self.digital_header_payload_demux_0, 0),
(self.fft_vxx_0, 0))
self.connect((self.digital_header_payload_demux_0, 1),
(self.fft_vxx_1, 0))
self.connect((self.digital_ofdm_chanest_vcvc_0, 0),
(self.digital_ofdm_frame_equalizer_vcvc_0, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_0, 0),
(self.digital_ofdm_serializer_vcc_header, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_1, 0),
(self.digital_ofdm_serializer_vcc_payload, 0))
self.connect((self.digital_ofdm_serializer_vcc_header, 0),
(self.digital_constellation_decoder_cb_0, 0))
self.connect((self.digital_ofdm_serializer_vcc_payload, 0),
(self.digital_constellation_decoder_cb_1, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 0),
(self.analog_frequency_modulator_fc_0, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 1),
(self.digital_header_payload_demux_0, 1))
self.connect((self.fft_vxx_0, 0),
(self.digital_ofdm_chanest_vcvc_0, 0))
self.connect((self.fft_vxx_1, 0),
(self.digital_ofdm_frame_equalizer_vcvc_1, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.blocks_delay_0, 0))
self.connect((self.uhd_usrp_source_0, 0),
(self.digital_ofdm_sync_sc_cfb_0, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.qtgui_sink_x_0, 0))
def test_003_t (self):
"""
Like test 1, but twice, plus one fail
"""
### Tx Data
n_zeros = 5
header = (1, 2, 3)
header_fail = (-1, -2, -4) # Contents don't really matter
payload1 = tuple(range(5, 20))
payload2 = (42,)
sampling_rate = 2
data_signal = (0,) * n_zeros + header + payload1
trigger_signal = [0,] * len(data_signal) * 2
trigger_signal[n_zeros] = 1
trigger_signal[len(data_signal)] = 1
trigger_signal[len(data_signal)+len(header_fail)+n_zeros] = 1
print("Triggers at: {0} {1} {2}".format(
n_zeros,
len(data_signal),
len(data_signal)+len(header_fail)+n_zeros)
)
tx_signal = data_signal + \
header_fail + (0,) * n_zeros + \
header + payload2 + (0,) * 1000
# Timing tag: This is preserved and updated:
timing_tag = make_tag('rx_time', (0, 0), 0)
# Rx freq tags:
rx_freq_tag1 = make_tag('rx_freq', 1.0, 0)
rx_freq_tag2 = make_tag('rx_freq', 1.5, 29)
rx_freq_tag3 = make_tag('rx_freq', 2.0, 30)
### Flow graph
data_src = blocks.vector_source_f(
tx_signal, False,
tags=(timing_tag, rx_freq_tag1, rx_freq_tag2, rx_freq_tag3)
)
trigger_src = blocks.vector_source_b(trigger_signal, False)
hpd = digital.header_payload_demux(
header_len=len(header),
items_per_symbol=1,
guard_interval=0,
length_tag_key="frame_len",
trigger_tag_key="detect",
output_symbols=False,
itemsize=gr.sizeof_float,
timing_tag_key='rx_time',
samp_rate=sampling_rate,
special_tags=('rx_freq',),
)
self.assertEqual(pmt.length(hpd.message_ports_in()), 2) #extra system port defined for you
header_sink = blocks.vector_sink_f()
payload_sink = blocks.vector_sink_f()
self.tb.connect(data_src, (hpd, 0))
self.tb.connect(trigger_src, (hpd, 1))
self.tb.connect((hpd, 0), header_sink)
self.tb.connect((hpd, 1), payload_sink)
self.tb.start()
time.sleep(.2) # Need this, otherwise, the next message is ignored
hpd.to_basic_block()._post(
pmt.intern('header_data'),
pmt.from_long(len(payload1))
)
while len(payload_sink.data()) < len(payload1):
time.sleep(.2)
hpd.to_basic_block()._post(
pmt.intern('header_data'),
pmt.PMT_F
)
# This next command is a bit of a showstopper, but there's no condition to check upon
# to see if the previous msg handling is finished
time.sleep(.7)
hpd.to_basic_block()._post(
pmt.intern('header_data'),
pmt.from_long(len(payload2))
)
while len(payload_sink.data()) < len(payload1) + len(payload2):
time.sleep(.2)
self.tb.stop()
self.tb.wait()
# Signal description:
# 0: 5 zeros
# 5: header 1
# 8: payload 1 (length: 15)
# 23: header 2 (fail)
# 26: 5 zeros
# 31: header 3
# 34: payload 2 (length 1)
# 35: 1000 zeros
self.assertEqual(header_sink.data(), header + header_fail + header)
self.assertEqual(payload_sink.data(), payload1 + payload2)
tags_payload = [gr.tag_to_python(x) for x in payload_sink.tags()]
tags_payload = sorted([(x.offset, x.key, x.value) for x in tags_payload])
tags_expected_payload = [
(0, 'frame_len', len(payload1)),
(len(payload1), 'frame_len', len(payload2)),
]
tags_header = [gr.tag_to_python(x) for x in header_sink.tags()]
tags_header = sorted([(x.offset, x.key, x.value) for x in tags_header])
tags_expected_header = [
(0, 'rx_freq', 1.0),
(0, 'rx_time', (2, 0.5)), # Hard coded time value :( Is n_zeros/sampling_rate
(len(header), 'rx_freq', 1.0),
(len(header), 'rx_time', (11, .5)), # Hard coded time value :(. See above.
(2*len(header), 'rx_freq', 2.0),
(2*len(header), 'rx_time', (15, .5)), # Hard coded time value :(. See above.
]
self.assertEqual(tags_header, tags_expected_header)
self.assertEqual(tags_payload, tags_expected_payload)
def __init__(self,
fft_len=_def_fft_len,
cp_len=_def_cp_len,
frame_length_tag_key=_def_frame_length_tag_key,
packet_length_tag_key=_def_packet_length_tag_key,
packet_num_tag_key=_def_packet_num_tag_key,
occupied_carriers=_def_occupied_carriers,
pilot_carriers=_def_pilot_carriers,
pilot_symbols=_def_pilot_symbols,
bps_header=1,
bps_payload=1,
sync_word1=None,
sync_word2=None,
debug_log=False,
scramble_bits=False):
gr.hier_block2.__init__(self, "ofdm_rx",
gr.io_signature(1, 1, gr.sizeof_gr_complex),
gr.io_signature(2, 2, gr.sizeof_char))
### Param init / sanity check ########################################
self.fft_len = fft_len
self.cp_len = cp_len
self.frame_length_tag_key = frame_length_tag_key
self.packet_length_tag_key = packet_length_tag_key
self.occupied_carriers = occupied_carriers
self.bps_header = bps_header
self.bps_payload = bps_payload
n_sync_words = 1
if sync_word1 is None:
self.sync_word1 = _make_sync_word1(fft_len, occupied_carriers,
pilot_carriers)
else:
if len(sync_word1) != self.fft_len:
raise ValueError(
"Length of sync sequence(s) must be FFT length.")
self.sync_word1 = sync_word1
self.sync_word2 = ()
if sync_word2 is None:
self.sync_word2 = _make_sync_word2(fft_len, occupied_carriers,
pilot_carriers)
n_sync_words = 2
elif len(sync_word2):
if len(sync_word2) != fft_len:
raise ValueError(
"Length of sync sequence(s) must be FFT length.")
self.sync_word2 = sync_word2
n_sync_words = 2
if scramble_bits:
self.scramble_seed = 0x7f
else:
self.scramble_seed = 0x00 # We deactivate the scrambler by init'ing it with zeros
### Sync ############################################################
sync_detect = digital.ofdm_sync_sc_cfb(fft_len, cp_len)
delay = blocks.delay(gr.sizeof_gr_complex, fft_len + cp_len)
oscillator = analog.frequency_modulator_fc(-2.0 / fft_len)
mixer = blocks.multiply_cc()
hpd = digital.header_payload_demux(
n_sync_words +
1, # Number of OFDM symbols before payload (sync + 1 sym header)
fft_len,
cp_len, # FFT length, guard interval
frame_length_tag_key, # Frame length tag key
"", # We're not using trigger tags
True # One output item is one OFDM symbol (False would output complex scalars)
)
self.connect(self, sync_detect)
self.connect(self, delay, (mixer, 0), (hpd, 0))
self.connect((sync_detect, 0), oscillator, (mixer, 1))
self.connect((sync_detect, 1), (hpd, 1))
if debug_log:
self.connect((sync_detect, 0),
blocks.file_sink(gr.sizeof_float, 'freq-offset.dat'))
self.connect((sync_detect, 1),
blocks.file_sink(gr.sizeof_char, 'sync-detect.dat'))
### Header demodulation ##############################################
header_fft = fft.fft_vcc(self.fft_len, True, (), True)
chanest = digital.ofdm_chanest_vcvc(self.sync_word1, self.sync_word2,
1)
header_constellation = _get_constellation(bps_header)
header_equalizer = digital.ofdm_equalizer_simpledfe(
fft_len,
header_constellation.base(),
occupied_carriers,
pilot_carriers,
pilot_symbols,
symbols_skipped=0,
)
header_eq = digital.ofdm_frame_equalizer_vcvc(
header_equalizer.base(),
cp_len,
self.frame_length_tag_key,
True,
1 # Header is 1 symbol long
)
header_serializer = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, self.frame_length_tag_key)
header_demod = digital.constellation_decoder_cb(
header_constellation.base())
header_formatter = digital.packet_header_ofdm(
occupied_carriers,
1,
packet_length_tag_key,
frame_length_tag_key,
packet_num_tag_key,
bps_header,
bps_payload,
scramble_header=scramble_bits)
header_parser = digital.packet_headerparser_b(
header_formatter.formatter())
self.connect((hpd, 0), header_fft, chanest, header_eq,
header_serializer, header_demod, header_parser)
self.msg_connect(header_parser, "header_data", hpd, "header_data")
if debug_log:
self.connect((chanest, 1),
blocks.file_sink(gr.sizeof_gr_complex * fft_len,
'channel-estimate.dat'))
self.connect((chanest, 0),
blocks.file_sink(gr.sizeof_gr_complex * fft_len,
'post-hdr-chanest.dat'))
self.connect((chanest, 0),
blocks.tag_debug(gr.sizeof_gr_complex * fft_len,
'post-hdr-chanest'))
self.connect(
header_eq,
blocks.file_sink(gr.sizeof_gr_complex * fft_len,
'post-hdr-eq.dat'))
self.connect(
header_serializer,
blocks.file_sink(gr.sizeof_gr_complex,
'post-hdr-serializer.dat'))
self.connect(header_descrambler,
blocks.file_sink(1, 'post-hdr-demod.dat'))
### Payload demod ####################################################
payload_fft = fft.fft_vcc(self.fft_len, True, (), True)
payload_constellation = _get_constellation(bps_payload)
payload_equalizer = digital.ofdm_equalizer_simpledfe(
fft_len,
payload_constellation.base(),
occupied_carriers,
pilot_carriers,
pilot_symbols,
symbols_skipped=1, # (that was already in the header)
alpha=0.1)
payload_eq = digital.ofdm_frame_equalizer_vcvc(
payload_equalizer.base(), cp_len, self.frame_length_tag_key)
payload_serializer = digital.ofdm_serializer_vcc(
fft_len,
occupied_carriers,
self.frame_length_tag_key,
self.packet_length_tag_key,
1 # Skip 1 symbol (that was already in the header)
)
payload_demod = digital.constellation_decoder_cb(
payload_constellation.base())
self.payload_descrambler = digital.additive_scrambler_bb(
0x8a,
self.scramble_seed,
7,
0, # Don't reset after fixed length
bits_per_byte=8, # This is after packing
reset_tag_key=self.packet_length_tag_key)
payload_pack = blocks.repack_bits_bb(bps_payload, 8,
self.packet_length_tag_key, True)
self.crc = digital.crc32_bb(True, self.packet_length_tag_key)
self.connect((hpd, 1), payload_fft, payload_eq, payload_serializer,
payload_demod, payload_pack, self.payload_descrambler,
self.crc, self)
self.connect((sync_detect, 1), (self, 1))
# Add snr logger
#snr = mofdm.ofdm_subchan_snr_vcvf(self.fft_len, self.cp_len, self.frame_length_tag_key,
# self.occupied_carriers, pilot_carriers, pilot_symbols, 0, True, debug=False)
#self.connect(payload_fft, snr, blocks.file_sink(gr.sizeof_float * fft_len, 'perchan-snr.dat'))
#rx_data = mofdm.ofdm_data_sink(self.packet_length_tag_key)
#self.connect(self.payload_descrambler, rx_data)
if debug_log:
self.connect((hpd, 1),
blocks.tag_debug(gr.sizeof_gr_complex * fft_len,
'post-hpd'))
self.connect(
payload_fft,
blocks.file_sink(gr.sizeof_gr_complex * fft_len,
'post-payload-fft.dat'))
self.connect(
payload_eq,
blocks.file_sink(gr.sizeof_gr_complex * fft_len,
'post-payload-eq.dat'))
self.connect(
payload_serializer,
blocks.file_sink(gr.sizeof_gr_complex,
'post-payload-serializer.dat'))
self.connect(payload_demod,
blocks.file_sink(1, 'post-payload-demod.dat'))
self.connect(payload_pack,
blocks.file_sink(1, 'post-payload-pack.dat'))
self.connect(crc, blocks.file_sink(1, 'post-payload-crc.dat'))
def test_003_t(self):
"""
Like test 1, but twice, plus one fail
"""
### Tx Data
n_zeros = 5
header = (1, 2, 3)
header_fail = (-1, -2, -4) # Contents don't really matter
payload1 = tuple(range(5, 20))
payload2 = (42, )
sampling_rate = 2
data_signal = (0, ) * n_zeros + header + payload1
trigger_signal = [
0,
] * len(data_signal) * 2
trigger_signal[n_zeros] = 1
trigger_signal[len(data_signal)] = 1
trigger_signal[len(data_signal) + len(header_fail) + n_zeros] = 1
tx_signal = data_signal + header_fail + (
0, ) * n_zeros + header + payload2 + (0, ) * 1000
# Timing tag: This is preserved and updated:
timing_tag = gr.tag_t()
timing_tag.offset = 0
timing_tag.key = pmt.string_to_symbol('rx_time')
timing_tag.value = pmt.to_pmt((0, 0))
# Rx freq tags:
rx_freq_tag1 = gr.tag_t()
rx_freq_tag1.offset = 0
rx_freq_tag1.key = pmt.string_to_symbol('rx_freq')
rx_freq_tag1.value = pmt.from_double(1.0)
rx_freq_tag2 = gr.tag_t()
rx_freq_tag2.offset = 29
rx_freq_tag2.key = pmt.string_to_symbol('rx_freq')
rx_freq_tag2.value = pmt.from_double(1.5)
rx_freq_tag3 = gr.tag_t()
rx_freq_tag3.offset = 30
rx_freq_tag3.key = pmt.string_to_symbol('rx_freq')
rx_freq_tag3.value = pmt.from_double(2.0)
### Flow graph
data_src = blocks.vector_source_f(tx_signal,
False,
tags=(timing_tag, rx_freq_tag1,
rx_freq_tag2, rx_freq_tag3))
trigger_src = blocks.vector_source_b(trigger_signal, False)
hpd = digital.header_payload_demux(
header_len=len(header),
items_per_symbol=1,
guard_interval=0,
length_tag_key="frame_len",
trigger_tag_key="detect",
output_symbols=False,
itemsize=gr.sizeof_float,
timing_tag_key='rx_time',
samp_rate=sampling_rate,
special_tags=('rx_freq', ),
)
self.assertEqual(pmt.length(hpd.message_ports_in()),
2) #extra system port defined for you
header_sink = blocks.vector_sink_f()
payload_sink = blocks.vector_sink_f()
self.tb.connect(data_src, (hpd, 0))
self.tb.connect(trigger_src, (hpd, 1))
self.tb.connect((hpd, 0), header_sink)
self.tb.connect((hpd, 1), payload_sink)
self.tb.start()
time.sleep(.2) # Need this, otherwise, the next message is ignored
hpd.to_basic_block()._post(pmt.intern('header_data'),
pmt.from_long(len(payload1)))
while len(payload_sink.data()) < len(payload1):
time.sleep(.2)
hpd.to_basic_block()._post(pmt.intern('header_data'), pmt.PMT_F)
# This next command is a bit of a showstopper, but there's no condition to check upon
# to see if the previous msg handling is finished
time.sleep(.7)
hpd.to_basic_block()._post(pmt.intern('header_data'),
pmt.from_long(len(payload2)))
while len(payload_sink.data()) < len(payload1) + len(payload2):
time.sleep(.2)
self.tb.stop()
self.tb.wait()
# Signal description:
# 0: 5 zeros
# 5: header 1
# 8: payload 1 (length: 15)
# 23: header 2 (fail)
# 26: 5 zeros
# 31: header 3
# 34: payload 2 (length 1)
# 35: 1000 zeros
self.assertEqual(header_sink.data(), header + header_fail + header)
self.assertEqual(payload_sink.data(), payload1 + payload2)
tags_payload = [gr.tag_to_python(x) for x in payload_sink.tags()]
tags_payload = sorted([(x.offset, x.key, x.value)
for x in tags_payload])
tags_expected_payload = [
(0, 'frame_len', len(payload1)),
(len(payload1), 'frame_len', len(payload2)),
]
tags_header = [gr.tag_to_python(x) for x in header_sink.tags()]
tags_header = sorted([(x.offset, x.key, x.value) for x in tags_header])
tags_expected_header = [
(0, 'rx_freq', 1.0),
(0, 'rx_time',
(2, 0.5)), # Hard coded time value :( Is n_zeros/sampling_rate
(len(header), 'rx_freq', 1.0),
(len(header), 'rx_time',
(11, .5)), # Hard coded time value :(. See above.
(2 * len(header), 'rx_freq', 2.0),
(2 * len(header), 'rx_time',
(15, .5)), # Hard coded time value :(. See above.
]
self.assertEqual(tags_header, tags_expected_header)
self.assertEqual(tags_payload, tags_expected_payload)
def test_004_fuzz(self):
"""
Long random test
"""
def create_signal(
n_bursts,
header_len,
max_gap,
max_burstsize,
fail_rate,
):
signal = []
indexes = []
burst_sizes = []
total_payload_len = 0
for burst_count in range(n_bursts):
gap_size = random.randint(0, max_gap)
signal += [0] * gap_size
is_failure = random.random() < fail_rate
if not is_failure:
burst_size = random.randint(0, max_burstsize)
else:
burst_size = 0
total_payload_len += burst_size
indexes += [len(signal)]
signal += [1] * header_len
signal += [2] * burst_size
burst_sizes += [burst_size]
return (signal, indexes, total_payload_len, burst_sizes)
def indexes_to_triggers(indexes, signal_len):
"""
Convert indexes to a mix of trigger signals and tags
"""
trigger_signal = [0] * signal_len
trigger_tags = []
for index in indexes:
if random.random() > 0.5:
trigger_signal[index] = 1
else:
trigger_tags += [make_tag('detect', True, index)]
return (trigger_signal, trigger_tags)
### Go, go, go
# The divide-by-20 means we'll usually get the same random seed
# between the first run and the XML run.
random_seed = int(time.time() / 20)
random.seed(random_seed)
print("Random seed: {0}".format(random_seed))
n_bursts = 400
header_len = 5
max_gap = 50
max_burstsize = 100
fail_rate = 0.05
signal, indexes, total_payload_len, burst_sizes = create_signal(
n_bursts, header_len, max_gap, max_burstsize, fail_rate
)
trigger_signal, trigger_tags = indexes_to_triggers(indexes, len(signal))
# Flow graph
data_src = blocks.vector_source_f(
signal, False,
tags=trigger_tags
)
trigger_src = blocks.vector_source_b(trigger_signal, False)
hpd = digital.header_payload_demux(
header_len=header_len,
items_per_symbol=1,
guard_interval=0,
length_tag_key="frame_len",
trigger_tag_key="detect",
output_symbols=False,
itemsize=gr.sizeof_float,
timing_tag_key='rx_time',
samp_rate=1.0,
special_tags=('rx_freq',),
)
mock_header_demod = HeaderToMessageBlock(
numpy.float32,
header_len,
burst_sizes
)
header_sink = blocks.vector_sink_f()
payload_sink = blocks.vector_sink_f()
self.connect_all_blocks(data_src, trigger_src, hpd, mock_header_demod, payload_sink, header_sink)
self.run_tb(payload_sink, total_payload_len, header_sink, header_len*n_bursts)
self.assertEqual(header_sink.data(), tuple([1]*header_len*n_bursts))
self.assertEqual(payload_sink.data(), tuple([2]*total_payload_len))
def __init__(self):
gr.top_block.__init__(self, "Send Test Rx")
##################################################
# Variables
##################################################
self.pilot_symbols = pilot_symbols = ((1, 1, 1, -1,),)
self.pilot_carriers = pilot_carriers = ((-21, -7, 7, 21,),)
self.payload_mod = payload_mod = digital.constellation_qpsk()
self.packet_length_tag_key = packet_length_tag_key = "packet_len"
self.occupied_carriers = occupied_carriers = (range(-26, -21) + range(-20, -7) + range(-6, 0) + range(1, 7) + range(8, 21) + range(22, 27),)
self.length_tag_key = length_tag_key = "frame_len"
self.header_mod = header_mod = digital.constellation_bpsk()
self.fft_len = fft_len = 64
self.sync_word2 = sync_word2 = [0j, 0j, 0j, 0j, 0j, 0j, (-1+0j), (-1+0j), (-1+0j), (-1+0j), (1+0j), (1+0j), (-1+0j), (-1+0j), (-1+0j), (1+0j), (-1+0j), (1+0j), (1+0j), (1 +0j), (1+0j), (1+0j), (-1+0j), (-1+0j), (-1+0j), (-1+0j), (-1+0j), (1+0j), (-1+0j), (-1+0j), (1+0j), (-1+0j), 0j, (1+0j), (-1+0j), (1+0j), (1+0j), (1+0j), (-1+0j), (1+0j), (1+0j), (1+0j), (-1+0j), (1+0j), (1+0j), (1+0j), (1+0j), (-1+0j), (1+0j), (-1+0j), (-1+0j), (-1+0j), (1+0j), (-1+0j), (1+0j), (-1+0j), (-1+0j), (-1+0j), (-1+0j), 0j, 0j, 0j, 0j, 0j]
self.sync_word1 = sync_word1 = [0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 0., 0., 0., 0., 0.]
self.samp_rate = samp_rate = 5000000
self.rolloff = rolloff = 0
self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe(fft_len, payload_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols, 1)
self.packet_len = packet_len = 96
self.header_formatter = header_formatter = digital.packet_header_ofdm(occupied_carriers, n_syms=1, len_tag_key=packet_length_tag_key, frame_len_tag_key=length_tag_key, bits_per_header_sym=header_mod.bits_per_symbol(), bits_per_payload_sym=payload_mod.bits_per_symbol(), scramble_header=False)
self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe(fft_len, header_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols)
##################################################
# Blocks
##################################################
self.uhd_usrp_source_0 = uhd.usrp_source(
",".join(("serial=30CEECB", "")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_source_0.set_samp_rate(samp_rate)
self.uhd_usrp_source_0.set_center_freq(2.492e9, 0)
self.uhd_usrp_source_0.set_gain(40, 0)
self.uhd_usrp_source_0.set_antenna("TX/RX", 0)
self.pir_get_timestamp_delta_cm_0 = pir.get_timestamp_delta_cm()
self.fft_vxx_0 = fft.fft_vcc(fft_len, True, (()), True, 1)
self.digital_packet_headerparser_b_0 = digital.packet_headerparser_b(header_formatter.base())
self.digital_ofdm_sync_sc_cfb_0 = digital.ofdm_sync_sc_cfb(fft_len, fft_len/4, False)
self.digital_ofdm_serializer_vcc_header_0 = digital.ofdm_serializer_vcc(fft_len, occupied_carriers, length_tag_key, "", 0, "", True)
self.digital_ofdm_serializer_vcc_header = digital.ofdm_serializer_vcc(fft_len, occupied_carriers, length_tag_key, "", 0, "", True)
self.digital_ofdm_frame_equalizer_vcvc_0 = digital.ofdm_frame_equalizer_vcvc(header_equalizer.base(), fft_len/4, length_tag_key, True, 1)
self.digital_ofdm_chanest_vcvc_0 = digital.ofdm_chanest_vcvc((sync_word1), (sync_word2), 1, 0, 3, False)
self.digital_header_payload_demux_0 = digital.header_payload_demux(
3,
fft_len,
fft_len/4,
length_tag_key,
"",
True,
gr.sizeof_gr_complex,
"rx_time",
samp_rate,
(),
)
self.digital_corr_est_cc_0 = digital.corr_est_cc(((0.00000 - 0.00000j, -0.23756 + 0.06817j, 0.02455 - 0.06790j, -0.02923 + 0.05414j, 0.00701 - 0.10558j, 0.07080 - 0.00739j, 0.04334 + 0.00660j, -0.11691 + 0.08759j, 0.09375 + 0.06250j, 0.04313 - 0.10143j, 0.00862 - 0.03317j, -0.05702 + 0.07170j, -0.09857 - 0.09157j, 0.02654 + 0.03204j, -0.03675 - 0.04537j, 0.06443 + 0.17533j, 0.04419 + 0.00000j, 0.06443 - 0.17533j, -0.03675 + 0.04537j, 0.02654 - 0.03204j, -0.09857 + 0.09157j, -0.05702 - 0.07170j, 0.00862 + 0.03317j, 0.04313 + 0.10143j, 0.09375 - 0.06250j, -0.11691 - 0.08759j, 0.04334 - 0.00660j, 0.07080 + 0.00739j, 0.00701 + 0.10558j, -0.02923 - 0.05414j, 0.02455 + 0.06790j, -0.23756 - 0.06817j, 0.00000 + 0.00000j, 0.23756 - 0.06817j, -0.02455 + 0.06790j, 0.02923 - 0.05414j, -0.00701 + 0.10558j, -0.07080 + 0.00739j, -0.04334 - 0.00660j, 0.11691 - 0.08759j, -0.09375 - 0.06250j, -0.04313 + 0.10143j, -0.00862 + 0.03317j, 0.05702 - 0.07170j, 0.09857 + 0.09157j, -0.02654 - 0.03204j, 0.03675 + 0.04537j, -0.06443 - 0.17533j, -0.04419 + 0.00000j, -0.06443 + 0.17533j, 0.03675 - 0.04537j, -0.02654 + 0.03204j, 0.09857 - 0.09157j, 0.05702 + 0.07170j, -0.00862 - 0.03317j, -0.04313 - 0.10143j, -0.09375 + 0.06250j, 0.11691 + 0.08759j, -0.04334 + 0.00660j, -0.07080 - 0.00739j, -0.00701 - 0.10558j, 0.02923 + 0.05414j, -0.02455 - 0.06790j, 0.23756 + 0.06817j, 0.00000 - 0.00000j, -0.23756 + 0.06817j, 0.02455 - 0.06790j, -0.02923 + 0.05414j, 0.00701 - 0.10558j, 0.07080 - 0.00739j, 0.04334 + 0.00660j, -0.11691 + 0.08759j, 0.09375 + 0.06250j, 0.04313 - 0.10143j, 0.00862 - 0.03317j, -0.05702 + 0.07170j, -0.09857 - 0.09157j, 0.02654 + 0.03204j, -0.03675 - 0.04537j, 0.06443 + 0.17533j, 0.06250 + 0.03125j, -0.10790 - 0.08255j, 0.00182 + 0.03337j, 0.09586 - 0.07711j, 0.06872 + 0.05573j, 0.00373 + 0.04257j, -0.03565 - 0.03853j, -0.14193 + 0.01821j, -0.15089 - 0.03504j, 0.14492 - 0.01154j, 0.07984 + 0.05798j, -0.06544 - 0.02403j, 0.10927 - 0.05236j, 0.14303 + 0.12879j, -0.04601 - 0.13003j, -0.11594 + 0.05444j, -0.06250 + 0.00000j, -0.11594 - 0.05444j, -0.04601 + 0.13003j, 0.14303 - 0.12879j, 0.10927 + 0.05236j, -0.06544 + 0.02403j, 0.07984 - 0.05798j, 0.14492 + 0.01154j, -0.15089 + 0.03504j, -0.14193 - 0.01821j, -0.03565 + 0.03853j, 0.00373 - 0.04257j, 0.06872 - 0.05573j, 0.09586 + 0.07711j, 0.00182 - 0.03337j, -0.10790 + 0.08255j, 0.06250 - 0.03125j, -0.00527 - 0.11799j, 0.00182 + 0.05304j, 0.05923 + 0.02687j, -0.09460 + 0.11347j, 0.06227 - 0.14667j, -0.03565 + 0.03377j, -0.10488 - 0.05448j, 0.02589 + 0.09754j, 0.06134 - 0.07480j, 0.07984 + 0.06226j, -0.02766 + 0.02419j, 0.04162 - 0.02844j, -0.09425 - 0.14799j, -0.04601 + 0.09145j, 0.09289 + 0.12172j, -0.06250 + 0.00000j, 0.09289 - 0.12172j, -0.04601 - 0.09145j, -0.09425 + 0.14799j, 0.04162 + 0.02844j, -0.02766 - 0.02419j, 0.07984 - 0.06226j, 0.06134 + 0.07480j, 0.02589 - 0.09754j, -0.10488 + 0.05448j, -0.03565 - 0.03377j, 0.06227 + 0.14667j, -0.09460 - 0.11347j, 0.05923 - 0.02687j, 0.00182 - 0.05304j, -0.00527 + 0.11799j, 0.06250 + 0.03125j, -0.10790 - 0.08255j, 0.00182 + 0.03337j, 0.09586 - 0.07711j, 0.06872 + 0.05573j, 0.00373 + 0.04257j, -0.03565 - 0.03853j, -0.14193 + 0.01821j, -0.15089 - 0.03504j, 0.14492 - 0.01154j, 0.07984 + 0.05798j, -0.06544 - 0.02403j, 0.10927 - 0.05236j, 0.14303 + 0.12879j, -0.04601 - 0.13003j, -0.11594 + 0.05444j)), 1, 0, 0.999999999)
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(header_mod.base())
self.blocks_tag_gate_0 = blocks.tag_gate(gr.sizeof_gr_complex * 1, False)
self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_gr_complex*1)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_message_debug_0 = blocks.message_debug()
self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex*1, fft_len+fft_len/4)
self.analog_frequency_modulator_fc_0 = analog.frequency_modulator_fc(-2.0/fft_len)
##################################################
# Connections
##################################################
self.msg_connect((self.digital_packet_headerparser_b_0, 'header_data'), (self.digital_header_payload_demux_0, 'header_data'))
self.msg_connect((self.pir_get_timestamp_delta_cm_0, 'out'), (self.blocks_message_debug_0, 'print'))
self.connect((self.analog_frequency_modulator_fc_0, 0), (self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_delay_0, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_multiply_xx_0, 0), (self.digital_corr_est_cc_0, 0))
self.connect((self.blocks_multiply_xx_0, 0), (self.digital_header_payload_demux_0, 0))
self.connect((self.blocks_tag_gate_0, 0), (self.blocks_delay_0, 0))
self.connect((self.blocks_tag_gate_0, 0), (self.digital_ofdm_sync_sc_cfb_0, 0))
self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_packet_headerparser_b_0, 0))
self.connect((self.digital_corr_est_cc_0, 0), (self.pir_get_timestamp_delta_cm_0, 0))
self.connect((self.digital_header_payload_demux_0, 1), (self.digital_ofdm_serializer_vcc_header_0, 0))
self.connect((self.digital_header_payload_demux_0, 0), (self.fft_vxx_0, 0))
self.connect((self.digital_ofdm_chanest_vcvc_0, 0), (self.digital_ofdm_frame_equalizer_vcvc_0, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_0, 0), (self.digital_ofdm_serializer_vcc_header, 0))
self.connect((self.digital_ofdm_serializer_vcc_header, 0), (self.digital_constellation_decoder_cb_0, 0))
self.connect((self.digital_ofdm_serializer_vcc_header_0, 0), (self.blocks_null_sink_0, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 0), (self.analog_frequency_modulator_fc_0, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 1), (self.digital_header_payload_demux_0, 1))
self.connect((self.fft_vxx_0, 0), (self.digital_ofdm_chanest_vcvc_0, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.blocks_tag_gate_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Test Rx Time")
Qt.QWidget.__init__(self)
self.setWindowTitle("Test Rx Time")
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "test_rx_time")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 500e3
##################################################
# Blocks
##################################################
self.uhd_usrp_source_0 = uhd.usrp_source(
device_addr="",
stream_args=uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_source_0.set_samp_rate(samp_rate)
self.uhd_usrp_source_0.set_center_freq(400e6, 0)
self.uhd_usrp_source_0.set_gain(0, 0)
self.digital_header_payload_demux_0 = digital.header_payload_demux(
5,
1,
0,
"frame_len",
"",
False,
gr.sizeof_gr_complex,
"rx_time",
int(samp_rate),
(),
)
self.blocks_vector_source_x_0 = blocks.vector_source_b((0, 0, 0, 1,) + (0,) * 9999, True, 1, [])
self.blocks_tag_debug_0 = blocks.tag_debug(gr.sizeof_gr_complex*1, "Header Info", ""); self.blocks_tag_debug_0.set_display(True)
self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_gr_complex*1)
self.blocks_message_strobe_0 = blocks.message_strobe(pmt.from_long(100), 10)
##################################################
# Connections
##################################################
self.connect((self.uhd_usrp_source_0, 0), (self.digital_header_payload_demux_0, 0))
self.connect((self.blocks_vector_source_x_0, 0), (self.digital_header_payload_demux_0, 1))
self.connect((self.digital_header_payload_demux_0, 0), (self.blocks_tag_debug_0, 0))
self.connect((self.digital_header_payload_demux_0, 1), (self.blocks_null_sink_0, 0))
##################################################
# Asynch Message Connections
##################################################
self.msg_connect(self.blocks_message_strobe_0, "strobe", self.digital_header_payload_demux_0, "header_data")
