def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Vv019 Norot")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 8000000
##################################################
# Blocks
##################################################
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.GetWin(),
baseband_freq=429000000,
y_per_div=20,
y_divs=10,
ref_level=10,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title="FFT Plot",
peak_hold=False,
size=(600,600),
)
self.Add(self.wxgui_fftsink2_0.win)
self.dvbt2_pilotgenerator_cc_0 = dvbt2.pilotgenerator_cc(dvbt2.CARRIERS_EXTENDED, dvbt2.FFTSIZE_32K_T2GI, dvbt2.PILOT_PP7, dvbt2.GI_1_128, 59, dvbt2.PAPR_OFF, dvbt2.VERSION_111, dvbt2.PREAMBLE_T2_SISO, dvbt2.MISO_TX1, dvbt2.EQUALIZATION_OFF, dvbt2.BANDWIDTH_1_7_MHZ, 32768)
self.dvbt2_p1insertion_cc_0 = dvbt2.p1insertion_cc(dvbt2.CARRIERS_EXTENDED, dvbt2.FFTSIZE_32K_T2GI, dvbt2.GI_1_128, 59, dvbt2.PREAMBLE_T2_SISO, dvbt2.SHOWLEVELS_OFF, 3.3)
self.dvbt2_modulator_bc_0 = dvbt2.modulator_bc(dvbt2.FECFRAME_NORMAL, dvbt2.MOD_256QAM, dvbt2.ROTATION_OFF)
self.dvbt2_ldpc_bb_0 = dvbt2.ldpc_bb(dvbt2.FECFRAME_NORMAL, dvbt2.C3_5)
self.dvbt2_interleaver_bb_0 = dvbt2.interleaver_bb(dvbt2.FECFRAME_NORMAL, dvbt2.C3_5, dvbt2.MOD_256QAM)
self.dvbt2_freqinterleaver_cc_0 = dvbt2.freqinterleaver_cc(dvbt2.CARRIERS_EXTENDED, dvbt2.FFTSIZE_32K_T2GI, dvbt2.PILOT_PP7, dvbt2.GI_1_128, 59, dvbt2.PAPR_OFF, dvbt2.VERSION_111, dvbt2.PREAMBLE_T2_SISO, )
self.dvbt2_framemapper_cc_0 = dvbt2.framemapper_cc(dvbt2.FECFRAME_NORMAL, dvbt2.C3_5, dvbt2.MOD_256QAM, dvbt2.ROTATION_OFF, 202, 3, dvbt2.CARRIERS_EXTENDED, dvbt2.FFTSIZE_32K_T2GI, dvbt2.GI_1_128, dvbt2.L1_MOD_64QAM, dvbt2.PILOT_PP7, 2, 59, dvbt2.PAPR_OFF, dvbt2.VERSION_111, dvbt2.PREAMBLE_T2_SISO, dvbt2.INPUTMODE_NORMAL, dvbt2.RESERVED_OFF, dvbt2.L1_SCRAMBLED_OFF, dvbt2.INBAND_OFF)
self.dvbt2_cellinterleaver_cc_0 = dvbt2.cellinterleaver_cc(dvbt2.FECFRAME_NORMAL, dvbt2.MOD_256QAM, 202, 3)
self.dvbt2_bch_bb_0 = dvbt2.bch_bb(dvbt2.FECFRAME_NORMAL, dvbt2.C3_5)
self.dvbt2_bbscrambler_bb_0 = dvbt2.bbscrambler_bb(dvbt2.FECFRAME_NORMAL, dvbt2.C3_5)
self.dvbt2_bbheader_bb_0 = dvbt2.bbheader_bb(dvbt2.FECFRAME_NORMAL, dvbt2.C3_5, dvbt2.INPUTMODE_HIEFF, dvbt2.INBAND_OFF, 168, 4000000)
self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer(32768, 32768+32768/128, 0, "")
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, "/home/re/xfer/vv019.ts", True)
##################################################
# Connections
##################################################
self.connect((self.blocks_file_source_0, 0), (self.dvbt2_bbheader_bb_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.wxgui_fftsink2_0, 0))
self.connect((self.digital_ofdm_cyclic_prefixer_0, 0), (self.dvbt2_p1insertion_cc_0, 0))
self.connect((self.dvbt2_bbheader_bb_0, 0), (self.dvbt2_bbscrambler_bb_0, 0))
self.connect((self.dvbt2_bbscrambler_bb_0, 0), (self.dvbt2_bch_bb_0, 0))
self.connect((self.dvbt2_bch_bb_0, 0), (self.dvbt2_ldpc_bb_0, 0))
self.connect((self.dvbt2_cellinterleaver_cc_0, 0), (self.dvbt2_framemapper_cc_0, 0))
self.connect((self.dvbt2_framemapper_cc_0, 0), (self.dvbt2_freqinterleaver_cc_0, 0))
self.connect((self.dvbt2_freqinterleaver_cc_0, 0), (self.dvbt2_pilotgenerator_cc_0, 0))
self.connect((self.dvbt2_interleaver_bb_0, 0), (self.dvbt2_modulator_bc_0, 0))
self.connect((self.dvbt2_ldpc_bb_0, 0), (self.dvbt2_interleaver_bb_0, 0))
self.connect((self.dvbt2_modulator_bc_0, 0), (self.dvbt2_cellinterleaver_cc_0, 0))
self.connect((self.dvbt2_p1insertion_cc_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.dvbt2_pilotgenerator_cc_0, 0), (self.digital_ofdm_cyclic_prefixer_0, 0))
def test_with_tags_2s_rolloff(self):
" With tags and a 2-sample rolloff "
fft_len = 8
cp_len = 2
tag_name = "length"
expected_result = (7.0/2, 8, 1, 2, 3, 4, 5, 6, 7, 8, # 1.0/2
7.0/2+1.0/2, 8, 1, 2, 3, 4, 5, 6, 7, 8, 1.0/2)
tag = gr.tag_t()
tag.offset = 0
tag.key = pmt.string_to_symbol(tag_name)
tag.value = pmt.from_long(2)
tag2 = gr.tag_t()
tag2.offset = 1
tag2.key = pmt.string_to_symbol("random_tag")
tag2.value = pmt.from_long(42)
src = blocks.vector_source_c(range(1, fft_len+1) * 2, False, fft_len, (tag, tag2))
cp = digital.ofdm_cyclic_prefixer(fft_len, fft_len + cp_len, 2, tag_name)
sink = blocks.vector_sink_c()
self.tb.connect(src, cp, sink)
self.tb.run()
self.assertEqual(sink.data(), expected_result)
tags = [gr.tag_to_python(x) for x in sink.tags()]
tags = sorted([(x.offset, x.key, x.value) for x in tags])
expected_tags = [
(0, tag_name, len(expected_result)),
(fft_len+cp_len, "random_tag", 42)
]
self.assertEqual(tags, expected_tags)
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Vv034 Dtg016")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 8000000
##################################################
# Blocks
##################################################
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.GetWin(),
baseband_freq=429000000,
y_per_div=20,
y_divs=10,
ref_level=10,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title="FFT Plot",
peak_hold=False,
size=(600,600),
)
self.Add(self.wxgui_fftsink2_0.win)
self.dvbt2_pilotgenerator_cc_0 = dvbt2.pilotgenerator_cc(dvbt2.CARRIERS_NORMAL, dvbt2.FFTSIZE_4K, dvbt2.PILOT_PP5, dvbt2.GI_1_16, 500, dvbt2.PAPR_OFF, dvbt2.VERSION_111, dvbt2.PREAMBLE_T2_SISO, dvbt2.MISO_TX1, dvbt2.EQUALIZATION_OFF, dvbt2.BANDWIDTH_1_7_MHZ, 4096)
self.dvbt2_p1insertion_cc_0 = dvbt2.p1insertion_cc(dvbt2.CARRIERS_NORMAL, dvbt2.FFTSIZE_4K, dvbt2.GI_1_16, 500, dvbt2.PREAMBLE_T2_SISO, dvbt2.SHOWLEVELS_OFF, 3.3)
self.dvbt2_modulator_bc_0 = dvbt2.modulator_bc(dvbt2.FECFRAME_SHORT, dvbt2.MOD_QPSK, dvbt2.ROTATION_ON)
self.dvbt2_ldpc_bb_0 = dvbt2.ldpc_bb(dvbt2.FECFRAME_SHORT, dvbt2.C4_5)
self.dvbt2_interleaver_bb_0 = dvbt2.interleaver_bb(dvbt2.FECFRAME_SHORT, dvbt2.C4_5, dvbt2.MOD_QPSK)
self.dvbt2_freqinterleaver_cc_0 = dvbt2.freqinterleaver_cc(dvbt2.CARRIERS_NORMAL, dvbt2.FFTSIZE_4K, dvbt2.PILOT_PP5, dvbt2.GI_1_16, 500, dvbt2.PAPR_OFF, dvbt2.VERSION_111, dvbt2.PREAMBLE_T2_SISO, )
self.dvbt2_framemapper_cc_0 = dvbt2.framemapper_cc(dvbt2.FECFRAME_SHORT, dvbt2.C4_5, dvbt2.MOD_QPSK, dvbt2.ROTATION_ON, 204, 0, dvbt2.CARRIERS_NORMAL, dvbt2.FFTSIZE_4K, dvbt2.GI_1_16, dvbt2.L1_MOD_QPSK, dvbt2.PILOT_PP5, 2, 500, dvbt2.PAPR_OFF, dvbt2.VERSION_111, dvbt2.PREAMBLE_T2_SISO, dvbt2.INPUTMODE_NORMAL, dvbt2.RESERVED_OFF, dvbt2.L1_SCRAMBLED_OFF, dvbt2.INBAND_OFF)
self.dvbt2_cellinterleaver_cc_0 = dvbt2.cellinterleaver_cc(dvbt2.FECFRAME_SHORT, dvbt2.MOD_QPSK, 204, 0)
self.dvbt2_bch_bb_0 = dvbt2.bch_bb(dvbt2.FECFRAME_SHORT, dvbt2.C4_5)
self.dvbt2_bbscrambler_bb_0 = dvbt2.bbscrambler_bb(dvbt2.FECFRAME_SHORT, dvbt2.C4_5)
self.dvbt2_bbheader_bb_0 = dvbt2.bbheader_bb(dvbt2.FECFRAME_SHORT, dvbt2.C4_5, dvbt2.INPUTMODE_HIEFF, dvbt2.INBAND_OFF, 168, 4000000)
self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer(4096, 4096+4096/16, 0, "")
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, "/home/re/xfer/vv034.ts", True)
##################################################
# Connections
##################################################
self.connect((self.blocks_file_source_0, 0), (self.dvbt2_bbheader_bb_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.wxgui_fftsink2_0, 0))
self.connect((self.digital_ofdm_cyclic_prefixer_0, 0), (self.dvbt2_p1insertion_cc_0, 0))
self.connect((self.dvbt2_bbheader_bb_0, 0), (self.dvbt2_bbscrambler_bb_0, 0))
self.connect((self.dvbt2_bbscrambler_bb_0, 0), (self.dvbt2_bch_bb_0, 0))
self.connect((self.dvbt2_bch_bb_0, 0), (self.dvbt2_ldpc_bb_0, 0))
self.connect((self.dvbt2_cellinterleaver_cc_0, 0), (self.dvbt2_framemapper_cc_0, 0))
self.connect((self.dvbt2_framemapper_cc_0, 0), (self.dvbt2_freqinterleaver_cc_0, 0))
self.connect((self.dvbt2_freqinterleaver_cc_0, 0), (self.dvbt2_pilotgenerator_cc_0, 0))
self.connect((self.dvbt2_interleaver_bb_0, 0), (self.dvbt2_modulator_bc_0, 0))
self.connect((self.dvbt2_ldpc_bb_0, 0), (self.dvbt2_interleaver_bb_0, 0))
self.connect((self.dvbt2_modulator_bc_0, 0), (self.dvbt2_cellinterleaver_cc_0, 0))
self.connect((self.dvbt2_p1insertion_cc_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.dvbt2_pilotgenerator_cc_0, 0), (self.digital_ofdm_cyclic_prefixer_0, 0))
def test_wo_tags_2s_rolloff(self):
" No tags, but have a 2-sample rolloff "
fft_len = 8
cp_len = 2
rolloff = 2
expected_result = (
7.0 / 2,
8,
1,
2,
3,
4,
5,
6,
7,
8, # 1.0/2
7.0 / 2 + 1.0 / 2,
8,
1,
2,
3,
4,
5,
6,
7,
8)
src = blocks.vector_source_c(range(1, fft_len + 1) * 2, False, fft_len)
cp = digital.ofdm_cyclic_prefixer(fft_len, fft_len + cp_len, rolloff)
sink = blocks.vector_sink_c()
self.tb.connect(src, cp, sink)
self.tb.run()
self.assertEqual(sink.data(), expected_result)
def test_001_t(self):
# set up fg
test_len = 1000
fft_len = 100
cp_len = fft_len / 4
in_data = list(range(0, fft_len)) * (test_len // fft_len)
src = blocks.vector_source_c(in_data)
s2v = blocks.stream_to_vector(8, fft_len)
s2ts = blocks.stream_to_tagged_stream(8, fft_len, test_len / fft_len,
'packet_len')
cp_add = digital.ofdm_cyclic_prefixer(fft_len, fft_len + cp_len, 0,
'packet_len')
cp_remove = radar.ofdm_cyclic_prefix_remover_cvc(
fft_len, cp_len, 'packet_len')
v2s = blocks.vector_to_stream(8, fft_len)
snk = blocks.vector_sink_c()
self.tb.connect(src, s2v, s2ts, cp_add, cp_remove, v2s, snk)
self.tb.run()
# check data
out_data = snk.data()
out_data_real = [0] * len(out_data)
for k in range(len(out_data)):
out_data_real[k] = out_data[k].real
for k in range(len(in_data)):
self.assertEqual(in_data[k], out_data_real[k])
def __init__(self):
gr.hier_block2.__init__(self, "ofdm_tx",
gr.io_signature(1, 1, gr.sizeof_char),
gr.io_signature(1, 1, gr.sizeof_gr_complex))
self.sequencr = aux.insert_sequence_numbers_bb()
self.encoder = aux.encoder_reed_solomon_bb()
self.framer = blocks.stream_to_tagged_stream(
gr.sizeof_char, 1, config.get_bytes_per_frame(),
LEN_TAG_KEY) #divide the incoming data streams in frames
self.connect(self, self.sequencr, self.encoder, self.framer)
#We can do some byte scrambling if needed (variable modulus modulation )
self.unpacker_data_stream = blocks.repack_bits_bb( #modulation of the data (split the bytes, and modulate the split bytes
8, config.get_bits_per_symbol(), LEN_TAG_KEY)
self.modulator_data_stream = digital.chunks_to_symbols_bc(
config.get_constellation().points())
self.connect(self.framer, self.unpacker_data_stream,
self.modulator_data_stream)
self.allocator = digital.ofdm_carrier_allocator_cvc(
config.get_fft_length(),
occupied_carriers=config.get_data_tones(),
pilot_carriers=config.get_pilot_tones(),
pilot_symbols=config.get_pilot_symbols(),
sync_words=config.get_preambles(),
len_tag_key=LEN_TAG_KEY)
self.connect(self.modulator_data_stream, self.allocator)
self.fft_block = fft.fft_vcc(config.get_fft_length(), False, (), True)
self.connect(self.allocator, self.fft_block)
self.prefixer = digital.ofdm_cyclic_prefixer(
config.get_fft_length(),
config.get_cp_length() + config.get_fft_length(), 0, LEN_TAG_KEY)
self.burst_handler = aux.add_zeros_cc(
14, 104) #digital.burst_shaper_cc([],1040,1040,False, LEN_TAG_KEY)
self.connect(self.fft_block, self.prefixer, self.burst_handler)
self.connect(self.burst_handler, self)
def test_001_t (self):
# set up fg
test_len = 1000
fft_len = 100;
cp_len = fft_len/4
in_data = range(0,fft_len)*(test_len/fft_len);
src = blocks.vector_source_c(in_data)
s2v = blocks.stream_to_vector(8,fft_len)
s2ts = blocks.stream_to_tagged_stream(8,fft_len,test_len/fft_len,'packet_len')
cp_add = digital.ofdm_cyclic_prefixer(fft_len,fft_len+cp_len,0,'packet_len')
cp_remove = radar.ofdm_cyclic_prefix_remover_cvc(fft_len,cp_len,'packet_len')
v2s = blocks.vector_to_stream(8,fft_len)
snk = blocks.vector_sink_c()
self.tb.connect(src,s2v,s2ts,cp_add,cp_remove,v2s,snk)
self.tb.run ()
# check data
out_data = snk.data()
out_data_real = [0]*len(out_data)
for k in range(len(out_data)):
out_data_real[k] = out_data[k].real
for k in range(len(in_data)):
self.assertEqual(in_data[k],out_data_real[k])
def __init__(self,
N_id_1,
N_id_2,
slot0=True,
N_re=128,
N_cp_ts=144,
freq_corr=0):
top = gr.top_block("foo")
source = gr.vector_source_c(range(0, N_re), False, N_re)
source.set_data(gen_sss_fd(N_id_1, N_id_2, N_re).get_sss(slot0))
fft = gr.fft_vcc(N_re, False, window.blackmanharris(1024), True)
cp = digital.ofdm_cyclic_prefixer(N_re, N_re + N_cp_ts * N_re / 2048)
if freq_corr != 0:
freq_corr = gr.freq_xlating_fir_filter_ccf(1, 1, freq_corr,
15000 * N_re)
sink = gr.vector_sink_c(1)
top.connect(source, fft, cp)
if freq_corr != 0:
top.connect(cp, freq_corr, sink)
else:
top.connect(cp, sink)
top.run()
self.data = sink.data()
def create_ofdm_blocks(self):
self.carrier_allocator = digital.ofdm_carrier_allocator_cvc(
self.fft_len, self.occupied_carriers, self.pilot_carriers,
self.pilot_symbols, self.sync_words, self.len_tag_key)
self.ifft = fft.fft_vcc(self.fft_len, False, (), True, 1)
ofdm_len = self.fft_len + self.cp_len
self.ofdm_cyclic_prefixer = digital.ofdm_cyclic_prefixer(
self.fft_len, ofdm_len, 0, self.len_tag_key)
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Top Block")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 32000
##################################################
# Blocks
##################################################
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=70,
decimation=64,
taps=None,
fractional_bw=None,
)
self.osmosdr_sink_0 = osmosdr.sink( args="numchan=" + str(1) + " " + "bladerf=0,buffers=128,buflen=32768" )
self.osmosdr_sink_0.set_sample_rate(10e6)
self.osmosdr_sink_0.set_center_freq(800e6, 0)
self.osmosdr_sink_0.set_freq_corr(0, 0)
self.osmosdr_sink_0.set_gain(19, 0)
self.osmosdr_sink_0.set_if_gain(0, 0)
self.osmosdr_sink_0.set_bb_gain(0, 0)
self.osmosdr_sink_0.set_antenna("", 0)
self.osmosdr_sink_0.set_bandwidth(0, 0)
self.fft_vxx_0 = fft.fft_vcc(2048, False, (window.rectangular(2048)), True, 10)
self.dvbt_symbol_inner_interleaver_0 = dvbt.symbol_inner_interleaver(1512, dvbt.T2k, 1)
self.dvbt_reference_signals_0 = dvbt.reference_signals(gr.sizeof_gr_complex, 1512, 2048, dvbt.QAM16, dvbt.NH, dvbt.C1_2, dvbt.C1_2, dvbt.G1_32, dvbt.T2k, 0, 0)
self.dvbt_reed_solomon_enc_0 = dvbt.reed_solomon_enc(2, 8, 0x11d, 255, 239, 8, 51, 8)
self.dvbt_inner_coder_0 = dvbt.inner_coder(1, 1512, dvbt.QAM16, dvbt.NH, dvbt.C1_2)
self.dvbt_energy_dispersal_0 = dvbt.energy_dispersal(1)
self.dvbt_dvbt_map_0 = dvbt.dvbt_map(1512, dvbt.QAM16, dvbt.NH, dvbt.T2k, 1)
self.dvbt_convolutional_interleaver_0 = dvbt.convolutional_interleaver(136, 12, 17)
self.dvbt_bit_inner_interleaver_0 = dvbt.bit_inner_interleaver(1512, dvbt.QAM16, dvbt.NH, dvbt.T2k)
self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer(2048, 2048+64, 0, "")
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((0.0022097087, ))
self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, "test.ts", True)
##################################################
# Connections
##################################################
self.connect((self.blocks_file_source_0, 0), (self.dvbt_energy_dispersal_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.rational_resampler_xxx_0, 0))
self.connect((self.digital_ofdm_cyclic_prefixer_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.dvbt_bit_inner_interleaver_0, 0), (self.dvbt_symbol_inner_interleaver_0, 0))
self.connect((self.dvbt_convolutional_interleaver_0, 0), (self.dvbt_inner_coder_0, 0))
self.connect((self.dvbt_dvbt_map_0, 0), (self.dvbt_reference_signals_0, 0))
self.connect((self.dvbt_energy_dispersal_0, 0), (self.dvbt_reed_solomon_enc_0, 0))
self.connect((self.dvbt_inner_coder_0, 0), (self.dvbt_bit_inner_interleaver_0, 0))
self.connect((self.dvbt_reed_solomon_enc_0, 0), (self.dvbt_convolutional_interleaver_0, 0))
self.connect((self.dvbt_reference_signals_0, 0), (self.fft_vxx_0, 0))
self.connect((self.dvbt_symbol_inner_interleaver_0, 0), (self.dvbt_dvbt_map_0, 0))
self.connect((self.fft_vxx_0, 0), (self.digital_ofdm_cyclic_prefixer_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.osmosdr_sink_0, 0))
def test_with_tags_2s_rolloff_multiples_cps(self):
"Two CP lengths, 2-sample rolloff and tags."
fft_len = 8
cp_lengths = (3, 2, 2)
rolloff = 2
tag_name = "ts_last"
expected_result = [
6.0 / 2,
7,
8,
1,
2,
3,
4,
5,
6,
7,
8, # 1
7.0 / 2 + 1.0 / 2,
8,
1,
2,
3,
4,
5,
6,
7,
8,
1.0 / 2 # Last tail
]
# First test tag
tag0 = gr.tag_t()
tag0.offset = 0
tag0.key = pmt.string_to_symbol("first_tag")
tag0.value = pmt.from_long(24)
# Second test tag
tag1 = gr.tag_t()
tag1.offset = 1
tag1.key = pmt.string_to_symbol("second_tag")
tag1.value = pmt.from_long(42)
src = blocks.vector_source_c(
list(range(1, fft_len + 1)) * 2, False, fft_len, (tag0, tag1))
cp = digital.ofdm_cyclic_prefixer(fft_len, cp_lengths, rolloff,
tag_name)
sink = blocks.tsb_vector_sink_c(tsb_key=tag_name)
self.tb.connect(
src,
blocks.stream_to_tagged_stream(gr.sizeof_gr_complex, fft_len, 2,
tag_name), cp, sink)
self.tb.run()
self.assertEqual(sink.data()[0], expected_result)
tags = [gr.tag_to_python(x) for x in sink.tags()]
tags = sorted([(x.offset, x.key, x.value) for x in tags])
expected_tags = [(0, "first_tag", 24),
(fft_len + cp_lengths[0], "second_tag", 42)]
self.assertEqual(tags, expected_tags)
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Vv009 4Kfft")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = (8000000.0 * 8) / 7
##################################################
# Blocks
##################################################
self.osmosdr_sink_0 = osmosdr.sink( args="numchan=" + str(1) + " " + "bladerf=0,buffers=128,buflen=32768" )
self.osmosdr_sink_0.set_sample_rate(samp_rate)
self.osmosdr_sink_0.set_center_freq(429e6, 0)
self.osmosdr_sink_0.set_freq_corr(0, 0)
self.osmosdr_sink_0.set_gain(18, 0)
self.osmosdr_sink_0.set_if_gain(0, 0)
self.osmosdr_sink_0.set_bb_gain(-8, 0)
self.osmosdr_sink_0.set_antenna("", 0)
self.osmosdr_sink_0.set_bandwidth(8750000, 0)
self.dvbt2_pilotgenerator_cc_0 = dvbt2.pilotgenerator_cc(dvbt2.CARRIERS_NORMAL, dvbt2.FFTSIZE_4K, dvbt2.PILOT_PP7, dvbt2.GI_1_32, 100, dvbt2.PAPR_OFF, dvbt2.VERSION_111, dvbt2.PREAMBLE_T2_SISO, dvbt2.MISO_TX1, dvbt2.EQUALIZATION_ON, dvbt2.BANDWIDTH_8_0_MHZ, 4096)
self.dvbt2_p1insertion_cc_0 = dvbt2.p1insertion_cc(dvbt2.CARRIERS_NORMAL, dvbt2.FFTSIZE_4K, dvbt2.GI_1_32, 100, dvbt2.PREAMBLE_T2_SISO, dvbt2.SHOWLEVELS_OFF, 3.3)
self.dvbt2_modulator_bc_0 = dvbt2.modulator_bc(dvbt2.FECFRAME_NORMAL, dvbt2.MOD_64QAM, dvbt2.ROTATION_ON)
self.dvbt2_ldpc_bb_0 = dvbt2.ldpc_bb(dvbt2.FECFRAME_NORMAL, dvbt2.C2_3)
self.dvbt2_interleaver_bb_0 = dvbt2.interleaver_bb(dvbt2.FECFRAME_NORMAL, dvbt2.C2_3, dvbt2.MOD_64QAM)
self.dvbt2_freqinterleaver_cc_0 = dvbt2.freqinterleaver_cc(dvbt2.CARRIERS_NORMAL, dvbt2.FFTSIZE_4K, dvbt2.PILOT_PP7, dvbt2.GI_1_32, 100, dvbt2.PAPR_OFF, dvbt2.VERSION_111, dvbt2.PREAMBLE_T2_SISO, )
self.dvbt2_framemapper_cc_0 = dvbt2.framemapper_cc(dvbt2.FECFRAME_NORMAL, dvbt2.C2_3, dvbt2.MOD_64QAM, dvbt2.ROTATION_ON, 31, 3, dvbt2.CARRIERS_NORMAL, dvbt2.FFTSIZE_4K, dvbt2.GI_1_32, dvbt2.L1_MOD_16QAM, dvbt2.PILOT_PP7, 2, 100, dvbt2.PAPR_OFF, dvbt2.VERSION_111, dvbt2.PREAMBLE_T2_SISO, dvbt2.INPUTMODE_NORMAL, dvbt2.RESERVED_OFF, dvbt2.L1_SCRAMBLED_OFF, dvbt2.INBAND_OFF)
self.dvbt2_cellinterleaver_cc_0 = dvbt2.cellinterleaver_cc(dvbt2.FECFRAME_NORMAL, dvbt2.MOD_64QAM, 31, 3)
self.dvbt2_bch_bb_0 = dvbt2.bch_bb(dvbt2.FECFRAME_NORMAL, dvbt2.C2_3)
self.dvbt2_bbscrambler_bb_0 = dvbt2.bbscrambler_bb(dvbt2.FECFRAME_NORMAL, dvbt2.C2_3)
self.dvbt2_bbheader_bb_0 = dvbt2.bbheader_bb(dvbt2.FECFRAME_NORMAL, dvbt2.C2_3, dvbt2.INPUTMODE_NORMAL, dvbt2.INBAND_OFF, 168, 4000000)
self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer(4096, 4096+4096/32, 0, "")
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((0.2, ))
self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, "/run/shm/adv4k64qam.ts", True)
##################################################
# Connections
##################################################
self.connect((self.blocks_file_source_0, 0), (self.dvbt2_bbheader_bb_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.osmosdr_sink_0, 0))
self.connect((self.digital_ofdm_cyclic_prefixer_0, 0), (self.dvbt2_p1insertion_cc_0, 0))
self.connect((self.dvbt2_bbheader_bb_0, 0), (self.dvbt2_bbscrambler_bb_0, 0))
self.connect((self.dvbt2_bbscrambler_bb_0, 0), (self.dvbt2_bch_bb_0, 0))
self.connect((self.dvbt2_bch_bb_0, 0), (self.dvbt2_ldpc_bb_0, 0))
self.connect((self.dvbt2_cellinterleaver_cc_0, 0), (self.dvbt2_framemapper_cc_0, 0))
self.connect((self.dvbt2_framemapper_cc_0, 0), (self.dvbt2_freqinterleaver_cc_0, 0))
self.connect((self.dvbt2_freqinterleaver_cc_0, 0), (self.dvbt2_pilotgenerator_cc_0, 0))
self.connect((self.dvbt2_interleaver_bb_0, 0), (self.dvbt2_modulator_bc_0, 0))
self.connect((self.dvbt2_ldpc_bb_0, 0), (self.dvbt2_interleaver_bb_0, 0))
self.connect((self.dvbt2_modulator_bc_0, 0), (self.dvbt2_cellinterleaver_cc_0, 0))
self.connect((self.dvbt2_p1insertion_cc_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.dvbt2_pilotgenerator_cc_0, 0), (self.digital_ofdm_cyclic_prefixer_0, 0))
def test_wo_tags_no_rolloff(self):
" The easiest test: make sure the CP is added correctly. "
fft_len = 8
cp_len = 2
expected_result = (6, 7, 0, 1, 2, 3, 4, 5, 6, 7, 6, 7, 0, 1, 2, 3, 4,
5, 6, 7)
src = blocks.vector_source_c(range(fft_len) * 2, False, fft_len)
cp = digital.ofdm_cyclic_prefixer(fft_len, fft_len + cp_len)
sink = blocks.vector_sink_c()
self.tb.connect(src, cp, sink)
self.tb.run()
self.assertEqual(sink.data(), expected_result)
def test_wo_tags_no_rolloff(self):
" The easiest test: make sure the CP is added correctly. "
fft_len = 8
cp_len = 2
expected_result = (6, 7, 0, 1, 2, 3, 4, 5, 6, 7,
6, 7, 0, 1, 2, 3, 4, 5, 6, 7)
src = blocks.vector_source_c(list(range(fft_len)) * 2, False, fft_len)
cp = digital.ofdm_cyclic_prefixer(fft_len, fft_len + cp_len)
sink = blocks.vector_sink_c()
self.tb.connect(src, cp, sink)
self.tb.run()
self.assertEqual(sink.data(), expected_result)
def test_wo_tags_2s_rolloff(self):
" No tags, but have a 2-sample rolloff "
fft_len = 8
cp_len = 2
rolloff = 2
expected_result = (7.0 / 2, 8, 1, 2, 3, 4, 5, 6, 7, 8, # 1.0/2
7.0 / 2+1.0 / 2, 8, 1, 2, 3, 4, 5, 6, 7, 8)
src = blocks.vector_source_c(list(range(1, fft_len+1)) * 2, False, fft_len)
cp = digital.ofdm_cyclic_prefixer(fft_len, fft_len + cp_len, rolloff)
sink = blocks.vector_sink_c()
self.tb.connect(src, cp, sink)
self.tb.run()
self.assertEqual(sink.data(), expected_result)
def test_with_tags_2s_rolloff(self):
" With tags and a 2-sample rolloff "
fft_len = 8
cp_len = 2
tag_name = "length"
expected_result = (
7.0 / 2,
8,
1,
2,
3,
4,
5,
6,
7,
8, # 1.0/2
7.0 / 2 + 1.0 / 2,
8,
1,
2,
3,
4,
5,
6,
7,
8,
1.0 / 2)
tag = gr.tag_t()
tag.offset = 0
tag.key = pmt.string_to_symbol(tag_name)
tag.value = pmt.from_long(2)
tag2 = gr.tag_t()
tag2.offset = 1
tag2.key = pmt.string_to_symbol("random_tag")
tag2.value = pmt.from_long(42)
src = blocks.vector_source_c(
range(1, fft_len + 1) * 2, False, fft_len, (tag, tag2))
cp = digital.ofdm_cyclic_prefixer(fft_len, fft_len + cp_len, 2,
tag_name)
sink = blocks.vector_sink_c()
self.tb.connect(src, cp, sink)
self.tb.run()
self.assertEqual(sink.data(), expected_result)
tags = [gr.tag_to_python(x) for x in sink.tags()]
tags = sorted([(x.offset, x.key, x.value) for x in tags])
expected_tags = [(0, tag_name, len(expected_result)),
(fft_len + cp_len, "random_tag", 42)]
self.assertEqual(tags, expected_tags)
def test_two(self):
tb = gr.top_block()
MTU = 4000
tagname = "length"
packets = (
(0, 0, 0, 0)*32,
#(0, 0, 1, 0)*16,
#(1, 1, 1, 0)*4,
)
data, tags = ofdm.utils.packets_to_vectors(packets, tagname)
constellation = digital.bpsk_constellation()
src = gr.vector_source_b(data, tags, False, 1)
tag_scaler1 = ofdm.scale_tags(1, tagname, 0.125)
packer = gr.unpacked_to_packed_bb(1, gr.GR_MSB_FIRST)
crc = ofdm.crc32_bb(False, MTU, tagname)
tag_scaler2 = ofdm.scale_tags(1, tagname, 8)
unpacker = gr.packed_to_unpacked_bb(1, gr.GR_MSB_FIRST)
mod1 = digital.chunks_to_symbols_bc(constellation.points())
mod2 = digital.chunks_to_symbols_bc(constellation.points())
occupied_carriers = ((1, 2, 4, 5),)
fft_len = 16
header = ofdm.ofdm_header_bb(len(occupied_carriers[0]))
mux1 = ofdm.tagged_stream_mux(gr.sizeof_gr_complex, 2, tagname, MTU)
mux2 = ofdm.tagged_stream_mux(gr.sizeof_gr_complex*fft_len, 2, tagname, MTU)
ifft = fft.fft_vcc(fft_len, forward=False, window=[1]*fft_len)
cp_len = 4
rolloff_len = 2
cp = digital.ofdm_cyclic_prefixer(fft_len, fft_len+cp_len, rolloff_len, tagname, MTU)
pilot_symbols = ((1j,),)
pilot_carriers = ((3,),)
alloc = ofdm.carrier_allocator_cvc(fft_len,
occupied_carriers,
pilot_carriers,
pilot_symbols,
tagname)
snk = gr.vector_sink_c()
sync_packet = [0, 1, 0, 1, 0, 1] + [0]*10
sync_data, sync_tags = ofdm.utils.packets_to_vectors([sync_packet], tagname, vlen=fft_len)
sync_header = gr.vector_source_c(sync_data, sync_tags, True, fft_len)
tb.connect(src, tag_scaler1, packer, crc, tag_scaler2, unpacker, mod1, (mux1, 1))
tb.connect(crc, header, mod2, (mux1, 0))
tb.connect(mux1, alloc, (mux2, 1))
tb.connect(sync_header, (mux2, 0))
tb.connect(mux2, ifft, cp, snk)
#tb.connect(src, tag_scaler1, packer, crc, tag_scaler2, unpacker, mod1, alloc, snk)
tb.run()
def test_with_tags_2s_rolloff(self):
" With tags and a 2-sample rolloff "
fft_len = 8
cp_len = 2
tag_name = "ts_last"
expected_result = [
7.0 / 2,
8,
1,
2,
3,
4,
5,
6,
7,
8, # 1.0/2
7.0 / 2 + 1.0 / 2,
8,
1,
2,
3,
4,
5,
6,
7,
8,
1.0 / 2
]
tag2 = gr.tag_t()
tag2.offset = 1
tag2.key = pmt.string_to_symbol("random_tag")
tag2.value = pmt.from_long(42)
src = blocks.vector_source_c(
list(range(1, fft_len + 1)) * 2, False, fft_len, (tag2, ))
cp = digital.ofdm_cyclic_prefixer(fft_len, fft_len + cp_len, 2,
tag_name)
sink = blocks.tsb_vector_sink_c(tsb_key=tag_name)
self.tb.connect(
src,
blocks.stream_to_tagged_stream(gr.sizeof_gr_complex, fft_len, 2,
tag_name), cp, sink)
self.tb.run()
self.assertEqual(sink.data()[0], expected_result)
tags = [gr.tag_to_python(x) for x in sink.tags()]
tags = sorted([(x.offset, x.key, x.value) for x in tags])
expected_tags = [(fft_len + cp_len, "random_tag", 42)]
self.assertEqual(tags, expected_tags)
def __init__(self, options):
"""
@param options: parsed raw.ofdm_params
"""
self.params = ofdm_params(options)
params = self.params
gr.hier_block2.__init__(
self,
"ofdm_mod",
gr.io_signature2(2, 2, gr.sizeof_gr_complex * params.data_tones,
gr.sizeof_char), # Input signature
gr.io_signature(1, 1, gr.sizeof_gr_complex)) # Output signature
win = [] #[1 for i in range(self._fft_length)]
# see gr_fft_vcc_fftw that it works differently if win = [1 1 1 ...]
self.mapper = raw.ofdm_mapper(params.padded_carriers)
self.preambles = digital.ofdm_insert_preamble(params.fft_length,
params.padded_preambles)
self.ifft = gr.fft_vcc(params.fft_length, False, win, True)
self.cp_adder = digital.ofdm_cyclic_prefixer(
params.fft_length, params.fft_length + params.cp_length)
self.scale = gr.multiply_const_cc(1.0 / math.sqrt(params.fft_length))
self.connect((self, 0), self.mapper, (self.preambles, 0))
self.connect((self, 1), (self.preambles, 1))
self.connect(self.preambles, self.ifft, self.cp_adder, self.scale,
self)
if options.log:
self.connect(
self.mapper,
gr.file_sink(gr.sizeof_gr_complex * params.fft_length,
"tx-map.dat"))
self.connect(
self.preambles,
gr.file_sink(gr.sizeof_gr_complex * params.fft_length,
"tx-pre.dat"))
self.connect(
self.ifft,
gr.file_sink(gr.sizeof_gr_complex * params.fft_length,
"tx-ifft.dat"))
self.connect(self.cp_adder,
gr.file_sink(gr.sizeof_gr_complex, "tx-cp.dat"))
def __init__(self, N_id_1, N_id_2, slot0=True, N_re=128, N_cp_ts=144, freq_corr=0):
top = gr.top_block("foo");
source = gr.vector_source_c(range(0,N_re), False, N_re)
source.set_data(gen_sss_fd(N_id_1, N_id_2, N_re).get_sss(slot0));
fft = gr.fft_vcc(N_re, False, window.blackmanharris(1024), True)
cp = digital.ofdm_cyclic_prefixer(N_re, N_re+N_cp_ts*N_re/2048)
if freq_corr != 0:
freq_corr = gr.freq_xlating_fir_filter_ccf(1, 1, freq_corr, 15000*N_re)
sink = gr.vector_sink_c(1)
top.connect(source, fft, cp)
if freq_corr != 0:
top.connect(cp, freq_corr, sink)
else:
top.connect(cp, sink)
top.run()
self.data = sink.data()
def __init__(self, N_id_2, N_re=128, N_cp_ts=144, freq_corr=0, repeat=False):
gr.hier_block2.__init__(
self, "PSS source time-domain",
gr.io_signature(0, 0, 0),
gr.io_signature(1, 1, gr.sizeof_gr_complex),
)
self.pss_fd = pss_source_fd(N_id_2, N_re, repeat);
self.fft = gr.fft_vcc(N_re, False, window.blackmanharris(1024), True)
self.cp = digital.ofdm_cyclic_prefixer(N_re, N_re+N_cp_ts*N_re/2048)
if freq_corr != 0:
self.freq_corr = gr.freq_xlating_fir_filter_ccf(1, 1, freq_corr, 15000*N_re)
self.connect(self.pss_fd, self.fft, self.cp)
if freq_corr != 0:
self.connect(self.cp, self.freq_corr, self)
else:
self.connect(self.cp, self)
def __init__(self,
fft_size=64,
paquete_tam=96,
rolloff=0,
samp_rate=100000):
gr.hier_block2.__init__(
self,
"Cyclicprefix",
gr.io_signature(1, 1, gr.sizeof_gr_complex * 64),
gr.io_signature(1, 1, gr.sizeof_gr_complex * 1),
)
##################################################
# Parameters
##################################################
self.fft_size = fft_size
self.paquete_tam = paquete_tam
self.rolloff = rolloff
self.samp_rate = samp_rate
##################################################
# Variables
##################################################
self.length_tag_key = length_tag_key = "paquete_tam"
##################################################
# Blocks
##################################################
self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer(
fft_size, fft_size + fft_size / 4, rolloff, length_tag_key)
self.blocks_tag_gate_0 = blocks.tag_gate(gr.sizeof_gr_complex * 1,
False)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((0.05, ))
##################################################
# Connections
##################################################
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.blocks_tag_gate_0, 0))
self.connect((self.blocks_tag_gate_0, 0), (self, 0))
self.connect((self.digital_ofdm_cyclic_prefixer_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self, 0), (self.digital_ofdm_cyclic_prefixer_0, 0))
def __init__(self, fft_len, cp_len, packet_len_tag,
scale=1, verbose=True):
gr.hier_block2.__init__(self,
"ofdm_frames_to_basebandsignal_vcc",
gr.io_signature(1, 1, fft_len*gr.sizeof_gr_complex),
gr.io_signature(1, 1, gr.sizeof_gr_complex)
)
self.fft_len = fft_len
self.cp_len = cp_len
self.scale = scale
self.packet_len_tag = packet_len_tag
self.scaler = mimoots.ofdm_scale_symbol_vcvc(
symbol_len=self.fft_len,
scale=self.scale
)
self.cyclic_prefixer = digital.ofdm_cyclic_prefixer(
input_size=self.fft_len,
output_size=self.fft_len+cp_len,
rolloff_len=0,
len_tag_key=self.packet_len_tag
)
# Define blocks and connect them
self.connect(self, self.scaler, self.cyclic_prefixer, self)
if verbose==True:
self.connect(self, blocks.file_sink(
itemsize=self.fft_len*gr.sizeof_gr_complex,
filename='ofdm_frames_to_basebandsignal_input.gr')
)
self.connect(self.scaler, blocks.file_sink(
itemsize=self.fft_len*gr.sizeof_gr_complex,
filename='ofdm_frames_to_basebandsignal_scaler.gr')
)
self.connect(self.cyclic_prefixer, blocks.file_sink(
itemsize=gr.sizeof_gr_complex,
filename='ofdm_frames_to_basebandsignal_cyclic_prefixer.gr')
)
def __init__(self, fft_len, cp_len, packet_len_tag, scale=1, verbose=True):
gr.hier_block2.__init__(
self, "ofdm_frames_to_basebandsignal_vcc",
gr.io_signature(1, 1, fft_len * gr.sizeof_gr_complex),
gr.io_signature(1, 1, gr.sizeof_gr_complex))
self.fft_len = fft_len
self.cp_len = cp_len
self.scale = scale
self.packet_len_tag = packet_len_tag
self.scaler = mimoots.ofdm_scale_symbol_vcvc(symbol_len=self.fft_len,
scale=self.scale)
self.cyclic_prefixer = digital.ofdm_cyclic_prefixer(
input_size=self.fft_len,
output_size=self.fft_len + cp_len,
rolloff_len=0,
len_tag_key=self.packet_len_tag)
# Define blocks and connect them
self.connect(self, self.scaler, self.cyclic_prefixer, self)
if verbose == True:
self.connect(
self,
blocks.file_sink(
itemsize=self.fft_len * gr.sizeof_gr_complex,
filename='ofdm_frames_to_basebandsignal_input.gr'))
self.connect(
self.scaler,
blocks.file_sink(
itemsize=self.fft_len * gr.sizeof_gr_complex,
filename='ofdm_frames_to_basebandsignal_scaler.gr'))
self.connect(
self.cyclic_prefixer,
blocks.file_sink(
itemsize=gr.sizeof_gr_complex,
filename='ofdm_frames_to_basebandsignal_cyclic_prefixer.gr'
))
def __init__(self, mod_name="", fft_len=32):
gr.hier_block2.__init__(self, mod_name, gr.io_signature(0, 0, 0),
gr.io_signature(1, 1, gr.sizeof_gr_complex))
self.random_source = \
blocks.vector_source_b(
map(int, np.random.randint(0, 255, int(1e6))), True
)
self.null = blocks.null_source(gr.sizeof_gr_complex * 1)
self.rolloff = 2
self.fft_len = fft_len
self.mult = blocks.multiply_const_vcc(
(1.0 / np.sqrt(self.fft_len / 2), ))
self.s2v = blocks.stream_to_vector(gr.sizeof_gr_complex * 1,
self.fft_len)
self.mux = blocks.stream_mux(
gr.sizeof_gr_complex * 1,
(self.fft_len / 4, self.fft_len / 2, self.fft_len / 4))
self.fft = fft.fft_vcc(self.fft_len, False, (()), True, 1)
self.cp = digital.ofdm_cyclic_prefixer(self.fft_len,
self.fft_len + self.fft_len / 4,
self.rolloff, '')
def __init__(self, options):
"""
@param options: parsed raw.ofdm_params
"""
self.params = ofdm_params(options)
params = self.params
gr.hier_block2.__init__(self, "ofdm_mod",
gr.io_signature2(2, 2, gr.sizeof_gr_complex*params.data_tones, gr.sizeof_char), # Input signature
gr.io_signature(1, 1, gr.sizeof_gr_complex)) # Output signature
win = [] #[1 for i in range(self._fft_length)]
# see gr_fft_vcc_fftw that it works differently if win = [1 1 1 ...]
self.mapper = raw.ofdm_mapper(params.padded_carriers)
self.preambles = digital.ofdm_insert_preamble(params.fft_length, params.padded_preambles)
self.ifft = gr.fft_vcc(params.fft_length, False, win, True)
self.cp_adder = digital.ofdm_cyclic_prefixer(params.fft_length, params.fft_length + params.cp_length)
self.scale = gr.multiply_const_cc(1.0 / math.sqrt(params.fft_length))
self.connect((self,0), self.mapper, (self.preambles,0))
self.connect((self,1), (self.preambles,1))
self.connect(self.preambles, self.ifft, self.cp_adder, self.scale, self)
if options.log:
self.connect(self.mapper,
gr.file_sink(gr.sizeof_gr_complex*params.fft_length,
"tx-map.dat"))
self.connect(self.preambles,
gr.file_sink(gr.sizeof_gr_complex*params.fft_length,
"tx-pre.dat"))
self.connect(self.ifft,
gr.file_sink(gr.sizeof_gr_complex*params.fft_length,
"tx-ifft.dat"))
self.connect(self.cp_adder,
gr.file_sink(gr.sizeof_gr_complex,
"tx-cp.dat"))
def test_with_tags_2s_rolloff(self):
" With tags and a 2-sample rolloff "
fft_len = 8
cp_len = 2
tag_name = "ts_last"
expected_result = (7.0 / 2, 8, 1, 2, 3, 4, 5, 6, 7, 8, # 1.0/2
7.0 / 2+1.0 / 2, 8, 1, 2, 3, 4, 5, 6, 7, 8, 1.0 / 2)
tag2 = gr.tag_t()
tag2.offset = 1
tag2.key = pmt.string_to_symbol("random_tag")
tag2.value = pmt.from_long(42)
src = blocks.vector_source_c(list(range(1, fft_len+1)) * 2, False, fft_len, (tag2,))
cp = digital.ofdm_cyclic_prefixer(fft_len, fft_len + cp_len, 2, tag_name)
sink = blocks.tsb_vector_sink_c(tsb_key=tag_name)
self.tb.connect(src, blocks.stream_to_tagged_stream(gr.sizeof_gr_complex, fft_len, 2, tag_name), cp, sink)
self.tb.run()
self.assertEqual(sink.data()[0], expected_result)
tags = [gr.tag_to_python(x) for x in sink.tags()]
tags = sorted([(x.offset, x.key, x.value) for x in tags])
expected_tags = [
(fft_len+cp_len, "random_tag", 42)
]
self.assertEqual(tags, expected_tags)
def __init__(self,DRMParameters):
gr.top_block.__init__(self, "DRM Transmitter 1")
##################################################
# Variables
##################################################
self.text_message = text_message = DRMParameters.text_msg
self.station_label = station_label = DRMParameters.station_label
self.msc_prot_level_2 = msc_prot_level_2 = 1
self.long_interl = long_interl = True
self.audio_sample_rate = audio_sample_rate = DRMParameters.audio_samp*1000
self.SO = SO = DRMParameters.so
self.RM = RM = DRMParameters.rm
self.tp = tp = drm.transm_params(RM, SO, False, 0, DRMParameters.msc_mod, 0, msc_prot_level_2, DRMParameters.sdc_mod, 0, long_interl, audio_sample_rate, station_label, text_message)
self.samp_rate = samp_rate = 48e3
self.usrp_addr = DRMParameters.usrp_id
self.output_name = DRMParameters.output_name
self.center_freq = DRMParameters.center_freq*1e6
self.audio_file = DRMParameters.audio_file
##################################################
# Blocks
##################################################
if DRMParameters.uhd_found:
self.uhd_usrp_sink_0 = uhd.usrp_sink(
",".join((self.usrp_addr, "")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_sink_0.set_samp_rate(samp_rate * 250 / 48)
self.uhd_usrp_sink_0.set_center_freq(self.center_freq, 0)
self.uhd_usrp_sink_0.set_gain(0, 0)
self.uhd_usrp_sink_0.set_antenna("TXA", 0)
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=250,
decimation=48,
taps=None,
fractional_bw=None,
)
self.fft_vxx_0 = fft.fft_vcc(tp.ofdm().nfft(), False, (), True, 1)
self.drm_scrambler_bb_0_1 = drm.scrambler_bb(tp.sdc().L())
self.drm_scrambler_bb_0_0 = drm.scrambler_bb(tp.fac().L())
self.drm_scrambler_bb_0 = drm.scrambler_bb(tp.msc().L_MUX())
self.drm_mlc_fac_bc = drm.make_mlc(
channel_type="FAC",
tp=tp
)
#SDC Configuration
self.drm_mlc_sdc_bc= drm.make_mlc(
channel_type="SDC",
tp=tp
)
#MSC Configuration
self.drm_mlc_msc_bc = drm.make_mlc(
channel_type="MSC",
tp=tp
)
self.drm_interleaver_cc_0 = drm.interleaver_cc((tp.msc().cell_interl_seq()), long_interl, drm.INTL_DEPTH_DRM)
self.drm_generate_sdc_b_0 = drm.generate_sdc_b(tp)
self.drm_generate_fac_b_0 = drm.generate_fac_b(tp)
self.drm_audio_encoder_sb_0 = drm.audio_encoder_sb(tp)
self.digital_ofdm_cyclic_prefixer_1 = digital.ofdm_cyclic_prefixer(tp.ofdm().nfft(), tp.ofdm().nfft()+tp.ofdm().nfft()*tp.ofdm().cp_ratio_enum()/tp.ofdm().cp_ratio_denom(), 0, "")
self.cell_mapping_cc_0 = drm.cell_mapping_cc(tp, (tp.msc().N_MUX() * tp.ofdm().M_TF() * 8, tp.sdc().N() * 8, tp.fac().N() * tp.ofdm().M_TF() * 8))
self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_float*1)
if DRMParameters.pulse_audio:
self.audio_source_1 = audio.source(audio_sample_rate, "", True)
else:
self.blocks_wavfile_source_0 = blocks.wavfile_source(self.audio_file, False)
if DRMParameters.gen_output:
self.blocks_wavfile_sink_0 = blocks.wavfile_sink(self.output_name, 1, 48000, 16)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_multiply_const_vxx_1 = blocks.multiply_const_vcc((7e-3, ))
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((32768, ))
self.blocks_complex_to_real_0 = blocks.complex_to_real(1)
self.analog_sig_source_x_0 = analog.sig_source_c(samp_rate, analog.GR_COS_WAVE, 7000, 1, 0)
##################################################
# Connections
##################################################
self.connect((self.analog_sig_source_x_0, 0), (self.blocks_multiply_xx_0, 1))
if DRMParameters.gen_output:
self.connect((self.blocks_complex_to_real_0, 0), (self.blocks_wavfile_sink_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.drm_audio_encoder_sb_0, 0))
self.connect((self.blocks_multiply_const_vxx_1, 0), (self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_multiply_xx_0, 0), (self.blocks_complex_to_real_0, 0))
if DRMParameters.pulse_audio:
self.connect((self.audio_source_1, 0), (self.blocks_multiply_const_vxx_0, 0))
else:
self.connect((self.blocks_wavfile_source_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.cell_mapping_cc_0, 0), (self.fft_vxx_0, 0))
self.connect((self.digital_ofdm_cyclic_prefixer_1, 0), (self.blocks_multiply_const_vxx_1, 0))
self.connect((self.drm_audio_encoder_sb_0, 0), (self.drm_scrambler_bb_0, 0))
self.connect((self.drm_generate_fac_b_0, 0), (self.drm_scrambler_bb_0_0, 0))
self.connect((self.drm_generate_sdc_b_0, 0), (self.drm_scrambler_bb_0_1, 0))
self.connect((self.drm_interleaver_cc_0, 0), (self.cell_mapping_cc_0, 0))
self.connect((self.drm_mlc_msc_bc, 0), (self.drm_interleaver_cc_0, 0))
self.connect((self.drm_mlc_sdc_bc, 0), (self.cell_mapping_cc_0, 1))
self.connect((self.drm_mlc_fac_bc, 0), (self.cell_mapping_cc_0, 2))
self.connect((self.drm_scrambler_bb_0, 0), (self.drm_mlc_msc_bc, 0))
self.connect((self.drm_scrambler_bb_0_0, 0), (self.drm_mlc_fac_bc, 0))
self.connect((self.drm_scrambler_bb_0_1, 0), (self.drm_mlc_sdc_bc, 0))
self.connect((self.fft_vxx_0, 0), (self.digital_ofdm_cyclic_prefixer_1, 0))
if DRMParameters.uhd_found:
self.connect((self.rational_resampler_xxx_0, 0), (self.uhd_usrp_sink_0, 0))
self.connect((self.blocks_multiply_const_vxx_1, 0), (self.rational_resampler_xxx_0, 0))
self.connect((self.blocks_complex_to_real_0, 0), (self.blocks_null_sink_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_sink_0 = uhd.usrp_sink(
",".join(("", "")),
uhd.stream_args(
cpu_format="fc32",
args='',
channels=[],
),
'',
)
self.uhd_usrp_sink_0.set_center_freq(3.555e9, 0)
self.uhd_usrp_sink_0.set_gain(31, 0)
self.uhd_usrp_sink_0.set_antenna('TX/RX', 0)
self.uhd_usrp_sink_0.set_bandwidth(0.5e6, 0)
self.uhd_usrp_sink_0.set_samp_rate(samp_rate)
self.uhd_usrp_sink_0.set_time_unknown_pps(uhd.time_spec())
self.fft_vxx_0 = fft.fft_vcc(fft_len, False, (), True, 1)
self.digital_protocol_formatter_bb_0 = digital.protocol_formatter_bb(
digital.header_format_ofdm(
occupied_carriers,
1,
length_tag_key,
), length_tag_key)
self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer(
fft_len, fft_len + 16, rolloff, length_tag_key)
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_crc32_bb_0 = digital.crc32_bb(False, length_tag_key, True)
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, length_tag_key, 0)
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_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_const_vxx_0 = blocks.multiply_const_cc(0.05)
self.blocks_file_source_0 = blocks.file_source(
gr.sizeof_char * 1,
'/local/repository/gnuradio/file_to_transmit.txt', False, 0, 0)
self.blocks_file_source_0.set_begin_tag(pmt.PMT_NIL)
##################################################
# Connections
##################################################
self.connect((self.blocks_file_source_0, 0),
(self.blocks_stream_to_tagged_stream_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.uhd_usrp_sink_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_stream_to_tagged_stream_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.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_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_ofdm_carrier_allocator_cvc_0, 0),
(self.fft_vxx_0, 0))
self.connect((self.digital_ofdm_cyclic_prefixer_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
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))
def __init__(self):
gr.top_block.__init__(self, "Top Block")
Qt.QWidget.__init__(self)
self.setWindowTitle("Top Block")
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", "top_block")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 32000
self.period = period = 50
self.pdu_length = pdu_length = 1000
self.out_buf_size = out_buf_size = 96000
self.header_formatter = header_formatter = ieee802_11.wifi_signal_field()
self.encoding = encoding = 0
##################################################
# Blocks
##################################################
self._period_range = Range(1, 10000, 1, 50, 200)
self._period_win = RangeWidget(self._period_range, self.set_period, "period", "counter_slider", float)
self.top_layout.addWidget(self._period_win)
self._pdu_length_range = Range(10, 1500, 1, 1000, 200)
self._pdu_length_win = RangeWidget(self._pdu_length_range, self.set_pdu_length, "pdu_length", "counter_slider", int)
self.top_layout.addWidget(self._pdu_length_win)
self._encoding_options = (0, 1, 2, )
self._encoding_labels = ("BPSK 1/2" , "BPSK 3/4", "QPSK 1/2", )
self._encoding_tool_bar = Qt.QToolBar(self)
self._encoding_tool_bar.addWidget(Qt.QLabel("Encoding"+": "))
self._encoding_combo_box = Qt.QComboBox()
self._encoding_tool_bar.addWidget(self._encoding_combo_box)
for label in self._encoding_labels: self._encoding_combo_box.addItem(label)
self._encoding_callback = lambda i: Qt.QMetaObject.invokeMethod(self._encoding_combo_box, "setCurrentIndex", Qt.Q_ARG("int", self._encoding_options.index(i)))
self._encoding_callback(self.encoding)
self._encoding_combo_box.currentIndexChanged.connect(
lambda i: self.set_encoding(self._encoding_options[i]))
self.top_layout.addWidget(self._encoding_tool_bar)
self.qtgui_time_sink_x_0_0_0_1_0_1 = qtgui.time_sink_c(
2**10, #size
samp_rate, #samp_rate
"", #name
1 #number of inputs
)
self.qtgui_time_sink_x_0_0_0_1_0_1.set_update_time(1)
self.qtgui_time_sink_x_0_0_0_1_0_1.set_y_axis(-0.1, 1000)
self.qtgui_time_sink_x_0_0_0_1_0_1.set_y_label("Amplitude", "")
self.qtgui_time_sink_x_0_0_0_1_0_1.enable_tags(-1, True)
self.qtgui_time_sink_x_0_0_0_1_0_1.set_trigger_mode(qtgui.TRIG_MODE_NORM, qtgui.TRIG_SLOPE_POS, 0.001, 5e-3, 0, "FISTOR")
self.qtgui_time_sink_x_0_0_0_1_0_1.enable_autoscale(True)
self.qtgui_time_sink_x_0_0_0_1_0_1.enable_grid(True)
self.qtgui_time_sink_x_0_0_0_1_0_1.enable_control_panel(False)
if not True:
self.qtgui_time_sink_x_0_0_0_1_0_1.disable_legend()
labels = ["correlation I", "correlation Q", "correlation_big", "", "",
"", "", "", "", ""]
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_0_0_1_0_1.set_line_label(i, "Re{{Data {0}}}".format(i/2))
else:
self.qtgui_time_sink_x_0_0_0_1_0_1.set_line_label(i, "Im{{Data {0}}}".format(i/2))
else:
self.qtgui_time_sink_x_0_0_0_1_0_1.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0_0_0_1_0_1.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0_0_0_1_0_1.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0_0_0_1_0_1.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0_0_0_1_0_1.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0_0_0_1_0_1.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_0_0_1_0_1_win = sip.wrapinstance(self.qtgui_time_sink_x_0_0_0_1_0_1.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_time_sink_x_0_0_0_1_0_1_win)
self.ieee802_11_ofdm_mapper_0 = ieee802_11.ofdm_mapper(encoding, False)
self.ieee802_11_ofdm_mac_0 = ieee802_11.ofdm_mac(([0x23, 0x23, 0x23, 0x23, 0x23, 0x23]), ([0x42, 0x42, 0x42, 0x42, 0x42, 0x42]), ([0xff, 0xff, 0xff, 0xff, 0xff, 255]))
(self.ieee802_11_ofdm_mac_0).set_processor_affinity([3])
(self.ieee802_11_ofdm_mac_0).set_min_output_buffer(96000)
self.ieee802_11_chunks_to_symbols_xx_0 = ieee802_11.chunks_to_symbols()
(self.ieee802_11_chunks_to_symbols_xx_0).set_min_output_buffer(96000)
self.foo_packet_pad2_0 = foo.packet_pad2(False, False, 0.0001, 5000, 5000)
(self.foo_packet_pad2_0).set_processor_affinity([3])
(self.foo_packet_pad2_0).set_min_output_buffer(96000)
self.fft_vxx_0_0 = fft.fft_vcc(64, False, (tuple([1/52**.5] * 64)), True, 1)
(self.fft_vxx_0_0).set_min_output_buffer(96000)
self.digital_packet_headergenerator_bb_0 = digital.packet_headergenerator_bb(header_formatter.formatter(), "packet_len")
self.digital_ofdm_cyclic_prefixer_0_0 = digital.ofdm_cyclic_prefixer(64, 64+16, 2, "packet_len")
(self.digital_ofdm_cyclic_prefixer_0_0).set_min_output_buffer(96000)
self.digital_ofdm_carrier_allocator_cvc_0_0_0 = digital.ofdm_carrier_allocator_cvc(64, (range(-26, -21) + range(-20, -7) + range(-6, 0) + range(1, 7) + range(8, 21) + range(22, 27),), ((-21, -7, 7, 21), ), ((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), (-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), (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), (-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), (-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), (-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), (-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), (-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, 0.0, 0.0, 0.0, 0.0, (1.4719601443879746+1.4719601443879746j), 0.0, 0.0, 0.0, (-1.4719601443879746-1.4719601443879746j), 0.0, 0.0, 0.0, (1.4719601443879746+1.4719601443879746j), 0.0, 0.0, 0.0, (-1.4719601443879746-1.4719601443879746j), 0.0, 0.0, 0.0, (-1.4719601443879746-1.4719601443879746j), 0.0, 0.0, 0.0, (1.4719601443879746+1.4719601443879746j), 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, (-1.4719601443879746-1.4719601443879746j), 0.0, 0.0, 0.0, (-1.4719601443879746-1.4719601443879746j), 0.0, 0.0, 0.0, (1.4719601443879746+1.4719601443879746j), 0.0, 0.0, 0.0, (1.4719601443879746+1.4719601443879746j), 0.0, 0.0, 0.0, (1.4719601443879746+1.4719601443879746j), 0.0, 0.0, 0.0, (1.4719601443879746+1.4719601443879746j), 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, (1.4719601443879746+1.4719601443879746j), 0.0, 0.0, 0.0, (-1.4719601443879746-1.4719601443879746j), 0.0, 0.0, 0.0, (1.4719601443879746+1.4719601443879746j), 0.0, 0.0, 0.0, (-1.4719601443879746-1.4719601443879746j), 0.0, 0.0, 0.0, (-1.4719601443879746-1.4719601443879746j), 0.0, 0.0, 0.0, (1.4719601443879746+1.4719601443879746j), 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, (-1.4719601443879746-1.4719601443879746j), 0.0, 0.0, 0.0, (-1.4719601443879746-1.4719601443879746j), 0.0, 0.0, 0.0, (1.4719601443879746+1.4719601443879746j), 0.0, 0.0, 0.0, (1.4719601443879746+1.4719601443879746j), 0.0, 0.0, 0.0, (1.4719601443879746+1.4719601443879746j), 0.0, 0.0, 0.0, (1.4719601443879746+1.4719601443879746j), 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0), (0, 0j, 0, 0j, 0, 0j, -1, 1j, -1, 1j, -1, 1j, -1, -1j, 1, 1j, 1, -1j, -1, 1j, 1, 1j, 1, 1j, 1, 1j, -1, (-0-1j), 1, -1j, -1, 1j, 0, -1j, 1, (-0-1j), 1, -1j, 1, 1j, -1, -1j, 1, (-0-1j), -1, 1j, 1, 1j, 1, 1j, 1, 1j, -1, -1j, 1, 1j, 1, -1j, -1, 0j, 0, 0j, 0, 0j), (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)), "packet_len")
(self.digital_ofdm_carrier_allocator_cvc_0_0_0).set_min_output_buffer(96000)
self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc(([-1, 1]), 1)
self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux(gr.sizeof_gr_complex*1, "packet_len", 1)
(self.blocks_tagged_stream_mux_0).set_min_output_buffer(96000)
self.blocks_message_strobe_0_0 = blocks.message_strobe(pmt.intern("".join("x" for i in range(pdu_length)) + "1234"), period)
(self.blocks_message_strobe_0_0).set_processor_affinity([3])
(self.blocks_message_strobe_0_0).set_min_output_buffer(96000)
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_message_strobe_0_0, 'strobe'), (self.ieee802_11_ofdm_mac_0, 'app in'))
self.msg_connect((self.ieee802_11_ofdm_mac_0, 'phy out'), (self.ieee802_11_ofdm_mapper_0, 'in'))
self.connect((self.blocks_tagged_stream_mux_0, 0), (self.digital_ofdm_carrier_allocator_cvc_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_ofdm_carrier_allocator_cvc_0_0_0, 0), (self.fft_vxx_0_0, 0))
self.connect((self.digital_ofdm_cyclic_prefixer_0_0, 0), (self.foo_packet_pad2_0, 0))
self.connect((self.digital_packet_headergenerator_bb_0, 0), (self.digital_chunks_to_symbols_xx_0, 0))
self.connect((self.fft_vxx_0_0, 0), (self.digital_ofdm_cyclic_prefixer_0_0, 0))
self.connect((self.foo_packet_pad2_0, 0), (self.qtgui_time_sink_x_0_0_0_1_0_1, 0))
self.connect((self.ieee802_11_chunks_to_symbols_xx_0, 0), (self.blocks_tagged_stream_mux_0, 1))
self.connect((self.ieee802_11_ofdm_mapper_0, 0), (self.digital_packet_headergenerator_bb_0, 0))
self.connect((self.ieee802_11_ofdm_mapper_0, 0), (self.ieee802_11_chunks_to_symbols_xx_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,
data=[
[],
],
fft_len=64,
cp_len=16,
nofdm_symbols=10,
nofdm_frames=1,
ofdm_symbol_scale=1,
constellation=digital.constellation_bpsk(),
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), ),
pilot_symbols=tuple([
(1, -1, 1, -1),
]),
scale=1.0,
seq_seed=42,
debug=False):
gr.hier_block2.__init__(
self,
"ofdm_create_frames_bc",
gr.io_signature(0, 0, 0), # Input signature
gr.io_signature(1, 1, gr.sizeof_gr_complex)) # Output signature
# =====================================================================
# Generate class-members
# =====================================================================
self._def_occupied_carriers = occupied_carriers
self._def_pilot_carriers = pilot_carriers
self._def_pilot_symbols = pilot_symbols
self._seq_seed = seq_seed
self.data = data
self.fft_len = fft_len
self.cp_len = cp_len
self.ofdm_symbol_scale = ofdm_symbol_scale
self.constellation = constellation
self.packet_len_tag = "packet_length"
self.frame_length_tag_key = "frame_length"
self.nofdm_symbols = nofdm_symbols
self.nofdm_frames = nofdm_frames
self.scale = scale
self.debug = debug
# =====================================================================
# Create data to convert into OFDM-Frames
# =====================================================================
random.seed(self._seq_seed)
self.data_len = utils.ofdm_get_data_len(
nofdm_symbols=self.nofdm_symbols,
noccupied_carriers=len(self._def_occupied_carriers[0]),
constellation=constellation)
if debug == True:
print 'Frames: {}'.format(self.nofdm_frames)
print 'Länge: {}'.format(self.data_len)
(data_tosend,
tags) = packet_utils.packets_to_vectors(self.data,
self.packet_len_tag)
# ===================================================================
# Create all blocks
# ===================================================================
self.data_source = blocks.vector_source_b(data=data_tosend,
vlen=1,
tags=tags,
repeat=False)
self.payload_unpack = blocks.repack_bits_bb(
k=8,
l=self.constellation.bits_per_symbol(),
len_tag_key=self.packet_len_tag)
self.payload_mod = digital.chunks_to_symbols_bc(
symbol_table=self.constellation.points())
self.allocator = digital.ofdm_carrier_allocator_cvc(
fft_len=self.fft_len,
occupied_carriers=self._def_occupied_carriers,
pilot_carriers=self._def_pilot_carriers,
pilot_symbols=self._def_pilot_symbols,
sync_words=[
utils.ofdm_make_sync_word1(self.fft_len,
self._def_occupied_carriers,
self._def_pilot_carriers),
utils.ofdm_make_sync_word2(self.fft_len,
self._def_occupied_carriers,
self._def_pilot_carriers),
],
len_tag_key=self.packet_len_tag)
self.ffter = fft.fft_vcc(fft_size=self.fft_len,
forward=False,
window=(),
shift=True)
self.scale = mimoots.ofdm_scale_symbol_vcvc(symbol_len=self.fft_len,
scale=self.scale)
self.cyclic_prefixer = digital.ofdm_cyclic_prefixer(
input_size=self.fft_len,
output_size=self.fft_len + cp_len,
rolloff_len=0,
len_tag_key=self.packet_len_tag)
# ===================================================================
# Connect all blocks
# ===================================================================
self.connect(self.data_source, self.payload_unpack, self.payload_mod,
self.allocator, self.ffter, self.scale,
self.cyclic_prefixer, self)
#self.connect(
# self.data_source, self.payload_mod, self.payload_unpack,
# self.allocator, self.ffter, self.scale, self.cyclic_prefixer,
# self
#)
# ===================================================================
# Debug-Output
# ===================================================================
if self.debug == True:
self.connect(
self.data_source,
blocks.file_sink(gr.sizeof_char, 'create-data_source.dat'))
self.connect(
self.payload_unpack,
blocks.file_sink(gr.sizeof_char, 'create-payload_unpack.dat'))
self.connect(
self.payload_mod,
blocks.file_sink(gr.sizeof_gr_complex,
'create-payload_mod.dat'))
self.connect(
self.allocator,
blocks.file_sink(self.fft_len * gr.sizeof_gr_complex,
'create-allocator.dat'))
self.connect(
self.ffter,
blocks.file_sink(self.fft_len * gr.sizeof_gr_complex,
'create-ffter.dat'))
self.connect(
self.scale,
blocks.file_sink(self.fft_len * gr.sizeof_gr_complex,
'create-scale.dat'))
self.connect(
self.cyclic_prefixer,
blocks.file_sink(gr.sizeof_gr_complex,
'create-cyclic_prefixer.dat'))
def __init__(self, fft_len=_def_fft_len, cp_len=_def_cp_len,
packet_length_tag_key=_def_packet_length_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,
rolloff=0,
debug_log=False,
scramble_bits=False
):
gr.hier_block2.__init__(self, "ofdm_tx",
gr.io_signature(1, 1, gr.sizeof_char),
gr.io_signature(1, 1, gr.sizeof_gr_complex))
### Param init / sanity check ########################################
self.fft_len = fft_len
self.cp_len = cp_len
self.packet_length_tag_key = packet_length_tag_key
self.occupied_carriers = occupied_carriers
self.pilot_carriers = pilot_carriers
self.pilot_symbols = pilot_symbols
self.bps_header = bps_header
self.bps_payload = bps_payload
self.sync_word1 = sync_word1
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_words = [self.sync_word1,]
if sync_word2 is None:
self.sync_word2 = _make_sync_word2(fft_len, occupied_carriers, pilot_carriers)
else:
self.sync_word2 = sync_word2
if len(self.sync_word2):
if len(self.sync_word2) != fft_len:
raise ValueError("Length of sync sequence(s) must be FFT length.")
self.sync_word2 = list(self.sync_word2)
self.sync_words.append(self.sync_word2)
if scramble_bits:
self.scramble_seed = 0x7f
else:
self.scramble_seed = 0x00 # We deactivate the scrambler by init'ing it with zeros
### Header modulation ################################################
header_constellation = _get_constellation(bps_header)
header_mod = digital.chunks_to_symbols_bc(header_constellation.points())
formatter_object = digital.packet_header_ofdm(
occupied_carriers=occupied_carriers, n_syms=1,
bits_per_header_sym=self.bps_header,
bits_per_payload_sym=self.bps_payload,
scramble_header=scramble_bits
)
header_gen = digital.packet_headergenerator_bb(formatter_object.base(), self.packet_length_tag_key)
header_payload_mux = blocks.tagged_stream_mux(
itemsize=gr.sizeof_gr_complex*1,
lengthtagname=self.packet_length_tag_key,
tag_preserve_head_pos=1 # Head tags on the payload stream stay on the head
)
self.connect(
self,
header_gen,
header_mod,
(header_payload_mux, 0)
)
### Payload modulation ###############################################
payload_constellation = _get_constellation(bps_payload)
payload_mod = digital.chunks_to_symbols_bc(payload_constellation.points())
payload_scrambler = digital.additive_scrambler_bb(
0x8a,
self.scramble_seed,
7,
0, # Don't reset after fixed length (let the reset tag do that)
bits_per_byte=8, # This is before unpacking
reset_tag_key=self.packet_length_tag_key
)
payload_unpack = blocks.repack_bits_bb(
8, # Unpack 8 bits per byte
bps_payload,
self.packet_length_tag_key
)
self.connect(
self,
payload_scrambler,
payload_unpack,
payload_mod,
(header_payload_mux, 1)
)
### Create OFDM frame ################################################
allocator = digital.ofdm_carrier_allocator_cvc(
self.fft_len,
occupied_carriers=self.occupied_carriers,
pilot_carriers=self.pilot_carriers,
pilot_symbols=self.pilot_symbols,
sync_words=self.sync_words,
len_tag_key=self.packet_length_tag_key
)
ffter = fft.fft_vcc(
self.fft_len,
False, # Inverse FFT
(), # No window
True # Shift
)
cyclic_prefixer = digital.ofdm_cyclic_prefixer(
self.fft_len,
self.fft_len+self.cp_len,
rolloff,
self.packet_length_tag_key
)
cyclic_prefixer.set_min_output_buffer(16000)
self.connect(header_payload_mux, allocator, ffter, cyclic_prefixer, self)
def __init__(self, chan_est=0):
gr.top_block.__init__(self, "Wifi Tx Rx")
Qt.QWidget.__init__(self)
self.setWindowTitle("Wifi Tx Rx")
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", "wifi_tx_rx")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Parameters
##################################################
self.chan_est = chan_est
##################################################
# Variables
##################################################
self.window_size = window_size = 48
self.threshold = threshold = 1000
self.sync_length = sync_length = 320
self.samp_rate = samp_rate = 5e5
self.period = period = 10
self.pdu_length = pdu_length = 30
self.out_buf_size = out_buf_size = 96000
self.header_formatter = header_formatter = ieee802_11.wifi_signal_field(
)
self.freq_sin = freq_sin = 1000
self.freq = freq = 943e6
self.encoding = encoding = 0
self.decimation = decimation = 40
##################################################
# Blocks
##################################################
self._period_range = Range(1, 10000, 1, 10, 200)
self._period_win = RangeWidget(self._period_range, self.set_period,
"period", "counter_slider", float)
self.top_layout.addWidget(self._period_win)
self._pdu_length_range = Range(10, 1500, 1, 30, 200)
self._pdu_length_win = RangeWidget(self._pdu_length_range,
self.set_pdu_length, "pdu_length",
"counter_slider", int)
self.top_layout.addWidget(self._pdu_length_win)
self._encoding_options = (
0,
1,
2,
)
self._encoding_labels = (
"BPSK 1/2",
"BPSK 3/4",
"QPSK 1/2",
)
self._encoding_tool_bar = Qt.QToolBar(self)
self._encoding_tool_bar.addWidget(Qt.QLabel("Encoding" + ": "))
self._encoding_combo_box = Qt.QComboBox()
self._encoding_tool_bar.addWidget(self._encoding_combo_box)
for label in self._encoding_labels:
self._encoding_combo_box.addItem(label)
self._encoding_callback = lambda i: Qt.QMetaObject.invokeMethod(
self._encoding_combo_box, "setCurrentIndex",
Qt.Q_ARG("int", self._encoding_options.index(i)))
self._encoding_callback(self.encoding)
self._encoding_combo_box.currentIndexChanged.connect(
lambda i: self.set_encoding(self._encoding_options[i]))
self.top_layout.addWidget(self._encoding_tool_bar)
self.qtgui_time_sink_x_2 = qtgui.time_sink_f(
32, #size
100, #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, 110)
self.qtgui_time_sink_x_2.set_y_label("Frame error rata", "")
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(True)
self.qtgui_time_sink_x_2.enable_control_panel(False)
if not True:
self.qtgui_time_sink_x_2.disable_legend()
labels = ["Packets Reveiced", "", "", "", "", "", "", "", "", ""]
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_2.set_line_label(
i, "Data {0}".format(i))
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_2).set_processor_affinity([3])
self.qtgui_time_sink_x_0_0_0_1_0_1 = qtgui.time_sink_c(
2**10, #size
samp_rate / 1000, #samp_rate
"", #name
1 #number of inputs
)
self.qtgui_time_sink_x_0_0_0_1_0_1.set_update_time(1)
self.qtgui_time_sink_x_0_0_0_1_0_1.set_y_axis(-0.1, 1000)
self.qtgui_time_sink_x_0_0_0_1_0_1.set_y_label("Generated Samples", "")
self.qtgui_time_sink_x_0_0_0_1_0_1.enable_tags(-1, True)
self.qtgui_time_sink_x_0_0_0_1_0_1.set_trigger_mode(
qtgui.TRIG_MODE_NORM, qtgui.TRIG_SLOPE_POS, 0.001, 5e-3, 0,
"FISTOR")
self.qtgui_time_sink_x_0_0_0_1_0_1.enable_autoscale(True)
self.qtgui_time_sink_x_0_0_0_1_0_1.enable_grid(True)
self.qtgui_time_sink_x_0_0_0_1_0_1.enable_control_panel(False)
if not True:
self.qtgui_time_sink_x_0_0_0_1_0_1.disable_legend()
labels = [
"correlation I", "correlation Q", "correlation_big", "", "", "",
"", "", "", ""
]
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_0_0_1_0_1.set_line_label(
i, "Re{{Data {0}}}".format(i / 2))
else:
self.qtgui_time_sink_x_0_0_0_1_0_1.set_line_label(
i, "Im{{Data {0}}}".format(i / 2))
else:
self.qtgui_time_sink_x_0_0_0_1_0_1.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0_0_0_1_0_1.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0_0_0_1_0_1.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0_0_0_1_0_1.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0_0_0_1_0_1.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0_0_0_1_0_1.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_0_0_1_0_1_win = sip.wrapinstance(
self.qtgui_time_sink_x_0_0_0_1_0_1.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_time_sink_x_0_0_0_1_0_1_win)
self.qtgui_number_sink_0 = qtgui.number_sink(gr.sizeof_float, 0.99,
qtgui.NUM_GRAPH_HORIZ, 1)
self.qtgui_number_sink_0.set_update_time(0.0000010)
self.qtgui_number_sink_0.set_title("Frame error Rata")
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 xrange(1):
self.qtgui_number_sink_0.set_min(i, 0)
self.qtgui_number_sink_0.set_max(i, 100)
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_layout.addWidget(self._qtgui_number_sink_0_win)
(self.qtgui_number_sink_0).set_processor_affinity([3])
self.nutaq_rtdex_source_0 = nutaq.rtdex_source(
"nutaq_carrier_perseus_0", gr.sizeof_int, 1, 0)
self.nutaq_rtdex_source_0.set_type(0)
self.nutaq_rtdex_source_0.set_packet_size(8192)
self.nutaq_rtdex_source_0.set_channels("0")
(self.nutaq_rtdex_source_0).set_processor_affinity([1])
self.nutaq_rtdex_sink_0 = nutaq.rtdex_sink("nutaq_carrier_perseus_0",
gr.sizeof_short, 1, 1)
self.nutaq_rtdex_sink_0.set_type(0)
self.nutaq_rtdex_sink_0.set_packet_size(8192)
self.nutaq_rtdex_sink_0.set_channels("0")
(self.nutaq_rtdex_sink_0).set_processor_affinity([3])
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(943e6)
self.nutaq_radio420_tx_0_0.set_default_reference(0)
self.nutaq_radio420_tx_0_0.set_default_datarate(samp_rate * 2 *
decimation)
self.nutaq_radio420_tx_0_0.set_default_calibrate(0)
self.nutaq_radio420_tx_0_0.set_default_band(0)
self.nutaq_radio420_tx_0_0.set_default_update_rate(1)
self.nutaq_radio420_tx_0_0.set_default_tx_vga1_gain(-15)
self.nutaq_radio420_tx_0_0.set_default_tx_vga2_gain(5)
self.nutaq_radio420_tx_0_0.set_default_tx_gain3(0)
self.nutaq_radio420_tx_0_0.set_default_tx_lpf_bandwidth(2)
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 = nutaq.radio420_rx("nutaq_carrier_perseus_0",
1, 1)
self.nutaq_radio420_rx_0.set_default_enable(1)
self.nutaq_radio420_rx_0.set_default_rx_freq(943e6)
self.nutaq_radio420_rx_0.set_default_reference(0)
self.nutaq_radio420_rx_0.set_default_datarate(samp_rate * 2 *
decimation)
self.nutaq_radio420_rx_0.set_default_calibrate(0)
self.nutaq_radio420_rx_0.set_default_band(0)
self.nutaq_radio420_rx_0.set_default_update_rate(1)
self.nutaq_radio420_rx_0.set_default_rx_lna_gain(3)
self.nutaq_radio420_rx_0.set_default_rx_vga1_gain(3)
self.nutaq_radio420_rx_0.set_default_rx_gain2(0)
self.nutaq_radio420_rx_0.set_default_rx_gain3(3)
self.nutaq_radio420_rx_0.set_default_rx_rf_filter(2)
self.nutaq_radio420_rx_0.set_default_rx_lpf_bandwidth(2)
self.nutaq_radio420_rx_0.set_default_ref_clk_ctrl(0)
self.nutaq_radio420_rx_0.set_default_rf_ctrl(0)
self.nutaq_radio420_rx_0.set_default_rx_gain_ctrl(0)
self.nutaq_radio420_rx_0.set_default_pll_cpld_ctrl(0)
self.nutaq_custom_register_0_2 = nutaq.custom_register(
"nutaq_carrier_perseus_0", 4)
self.nutaq_custom_register_0_2.set_index(0)
self.nutaq_custom_register_0_2.set_default_value(
int((4e6) / samp_rate / 40 * (2**32)))
self.nutaq_custom_register_0_2.set_update_rate(1)
self.nutaq_custom_register_0_1 = nutaq.custom_register(
"nutaq_carrier_perseus_0", 4)
self.nutaq_custom_register_0_1.set_index(2)
self.nutaq_custom_register_0_1.set_update_rate(1)
self.nutaq_custom_register_0_0_1 = nutaq.custom_register(
"nutaq_carrier_perseus_0", 5)
self.nutaq_custom_register_0_0_1.set_index(3)
self.nutaq_custom_register_0_0_1.set_default_value(7)
self.nutaq_custom_register_0_0_1.set_update_rate(1)
self.nutaq_custom_register_0_0_0 = nutaq.custom_register(
"nutaq_carrier_perseus_0", 5)
self.nutaq_custom_register_0_0_0.set_index(6)
self.nutaq_custom_register_0_0_0.set_default_value(600)
self.nutaq_custom_register_0_0_0.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(4)
self.nutaq_custom_register_0_0.set_update_rate(1)
self.nutaq_custom_register_0 = nutaq.custom_register(
"nutaq_carrier_perseus_0", 4)
self.nutaq_custom_register_0.set_index(1)
self.nutaq_custom_register_0.set_default_value(3)
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.ieee802_11_ofdm_sync_short_0 = ieee802_11.ofdm_sync_short(
0.56, 2, False, False)
(self.ieee802_11_ofdm_sync_short_0).set_processor_affinity([3])
(self.ieee802_11_ofdm_sync_short_0).set_min_output_buffer(96000)
self.ieee802_11_ofdm_sync_long_0 = ieee802_11.ofdm_sync_long(
sync_length, False, False)
(self.ieee802_11_ofdm_sync_long_0).set_processor_affinity([3])
(self.ieee802_11_ofdm_sync_long_0).set_min_output_buffer(96000)
self.ieee802_11_ofdm_parse_mac_0 = ieee802_11.ofdm_parse_mac(
False, True)
(self.ieee802_11_ofdm_parse_mac_0).set_processor_affinity([3])
(self.ieee802_11_ofdm_parse_mac_0).set_min_output_buffer(96000)
self.ieee802_11_ofdm_mapper_0 = ieee802_11.ofdm_mapper(encoding, False)
self.ieee802_11_ofdm_mac_0 = ieee802_11.ofdm_mac(
([0x23, 0x23, 0x23, 0x23, 0x23, 0x23]),
([0x42, 0x42, 0x42, 0x42, 0x42, 0x42]),
([0xff, 0xff, 0xff, 0xff, 0xff, 255]))
(self.ieee802_11_ofdm_mac_0).set_processor_affinity([3])
(self.ieee802_11_ofdm_mac_0).set_min_output_buffer(96000)
self.ieee802_11_ofdm_equalize_symbols_0 = ieee802_11.ofdm_equalize_symbols(
chan_est, False)
(self.ieee802_11_ofdm_equalize_symbols_0).set_processor_affinity([3])
(self.ieee802_11_ofdm_equalize_symbols_0).set_min_output_buffer(96000)
self.ieee802_11_ofdm_decode_signal_0 = ieee802_11.ofdm_decode_signal(
False, False)
(self.ieee802_11_ofdm_decode_signal_0).set_processor_affinity([3])
(self.ieee802_11_ofdm_decode_signal_0).set_min_output_buffer(96000)
self.ieee802_11_ofdm_decode_mac_0 = ieee802_11.ofdm_decode_mac(
False, False)
(self.ieee802_11_ofdm_decode_mac_0).set_processor_affinity([3])
(self.ieee802_11_ofdm_decode_mac_0).set_min_output_buffer(96000)
self.ieee802_11_moving_average_xx_1 = ieee802_11.moving_average_ff(
window_size + 16)
(self.ieee802_11_moving_average_xx_1).set_processor_affinity([3])
(self.ieee802_11_moving_average_xx_1).set_min_output_buffer(96000)
self.ieee802_11_moving_average_xx_0 = ieee802_11.moving_average_cc(
window_size)
(self.ieee802_11_moving_average_xx_0).set_processor_affinity([3])
(self.ieee802_11_moving_average_xx_0).set_min_output_buffer(96000)
self.ieee802_11_chunks_to_symbols_xx_0 = ieee802_11.chunks_to_symbols()
(self.ieee802_11_chunks_to_symbols_xx_0).set_min_output_buffer(96000)
self._freq_sin_range = Range(-2.5e5, 2.5e5, 500, 1000, 200)
self._freq_sin_win = RangeWidget(self._freq_sin_range,
self.set_freq_sin, "freq_sin",
"counter_slider", float)
self.top_layout.addWidget(self._freq_sin_win)
self.foo_packet_pad2_0_0 = foo.packet_pad2(False, False, 0.0001,
100000, 100000)
(self.foo_packet_pad2_0_0).set_processor_affinity([3])
(self.foo_packet_pad2_0_0).set_min_output_buffer(262144)
self.fft_vxx_0_0 = fft.fft_vcc(64, False, (tuple([1 / 52**.5] * 64)),
True, 1)
(self.fft_vxx_0_0).set_min_output_buffer(96000)
self.fft_vxx_0 = fft.fft_vcc(64, True, (window.rectangular(64)), True,
1)
(self.fft_vxx_0).set_processor_affinity([3])
(self.fft_vxx_0).set_min_output_buffer(96000)
self.digital_packet_headergenerator_bb_0 = digital.packet_headergenerator_bb(
header_formatter.formatter(), "packet_len")
self.digital_ofdm_cyclic_prefixer_0_0 = digital.ofdm_cyclic_prefixer(
64, 64 + 16, 2, "packet_len")
(self.digital_ofdm_cyclic_prefixer_0_0).set_min_output_buffer(96000)
self.digital_ofdm_carrier_allocator_cvc_0_0_0 = digital.ofdm_carrier_allocator_cvc(
64, (range(-26, -21) + range(-20, -7) + range(-6, 0) +
range(1, 7) + range(8, 21) + range(22, 27), ),
((-21, -7, 7, 21), ),
((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), (-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), (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), (-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), (-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), (-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), (-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), (-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, 0.0, 0.0, 0.0, 0.0,
(1.4719601443879746 + 1.4719601443879746j), 0.0, 0.0, 0.0,
(-1.4719601443879746 - 1.4719601443879746j), 0.0, 0.0, 0.0,
(1.4719601443879746 + 1.4719601443879746j), 0.0, 0.0, 0.0,
(-1.4719601443879746 - 1.4719601443879746j), 0.0, 0.0, 0.0,
(-1.4719601443879746 - 1.4719601443879746j), 0.0, 0.0, 0.0,
(1.4719601443879746 +
1.4719601443879746j), 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0,
(-1.4719601443879746 - 1.4719601443879746j), 0.0, 0.0, 0.0,
(-1.4719601443879746 - 1.4719601443879746j), 0.0, 0.0, 0.0,
(1.4719601443879746 + 1.4719601443879746j), 0.0, 0.0, 0.0,
(1.4719601443879746 + 1.4719601443879746j), 0.0, 0.0, 0.0,
(1.4719601443879746 + 1.4719601443879746j), 0.0, 0.0, 0.0,
(1.4719601443879746 +
1.4719601443879746j), 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,
(1.4719601443879746 + 1.4719601443879746j), 0.0, 0.0, 0.0,
(-1.4719601443879746 - 1.4719601443879746j), 0.0, 0.0, 0.0,
(1.4719601443879746 + 1.4719601443879746j), 0.0, 0.0, 0.0,
(-1.4719601443879746 - 1.4719601443879746j), 0.0, 0.0, 0.0,
(-1.4719601443879746 - 1.4719601443879746j), 0.0, 0.0, 0.0,
(1.4719601443879746 +
1.4719601443879746j), 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0,
(-1.4719601443879746 - 1.4719601443879746j), 0.0, 0.0, 0.0,
(-1.4719601443879746 - 1.4719601443879746j), 0.0, 0.0, 0.0,
(1.4719601443879746 + 1.4719601443879746j), 0.0, 0.0, 0.0,
(1.4719601443879746 + 1.4719601443879746j), 0.0, 0.0, 0.0,
(1.4719601443879746 + 1.4719601443879746j), 0.0, 0.0, 0.0,
(1.4719601443879746 +
1.4719601443879746j), 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0),
(0, 0j, 0, 0j, 0, 0j, -1, 1j, -1, 1j, -1, 1j, -1, -1j, 1, 1j, 1,
-1j, -1, 1j, 1, 1j, 1, 1j, 1, 1j, -1,
(-0 - 1j), 1, -1j, -1, 1j, 0, -1j, 1,
(-0 - 1j), 1, -1j, 1, 1j, -1, -1j, 1, (-0 - 1j), -1, 1j, 1, 1j,
1, 1j, 1, 1j, -1, -1j, 1, 1j, 1, -1j, -1, 0j, 0, 0j, 0, 0j),
(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)), "packet_len")
(self.digital_ofdm_carrier_allocator_cvc_0_0_0
).set_min_output_buffer(96000)
self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc(
([-1, 1]), 1)
self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux(
gr.sizeof_gr_complex * 1, "packet_len", 1)
(self.blocks_tagged_stream_mux_0).set_min_output_buffer(96000)
self.blocks_stream_to_vector_0 = blocks.stream_to_vector(
gr.sizeof_gr_complex * 1, 64)
(self.blocks_stream_to_vector_0).set_processor_affinity([3])
(self.blocks_stream_to_vector_0).set_min_output_buffer(96000)
self.blocks_pdu_to_tagged_stream_0 = blocks.pdu_to_tagged_stream(
blocks.float_t, "packet_len")
(self.blocks_pdu_to_tagged_stream_0).set_processor_affinity([3])
(self.blocks_pdu_to_tagged_stream_0).set_min_output_buffer(96000)
self.blocks_null_sink_0_0_0 = blocks.null_sink(gr.sizeof_gr_complex *
1)
self.blocks_null_sink_0_0 = blocks.null_sink(gr.sizeof_int * 1)
self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_float * 1)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
(self.blocks_multiply_xx_0).set_processor_affinity([3])
(self.blocks_multiply_xx_0).set_min_output_buffer(96000)
self.blocks_message_strobe_0_0 = blocks.message_strobe(
pmt.intern("".join("x" for i in range(pdu_length)) + "1234"),
period)
(self.blocks_message_strobe_0_0).set_processor_affinity([3])
(self.blocks_message_strobe_0_0).set_min_output_buffer(96000)
self.blocks_interleave_0 = blocks.interleave(gr.sizeof_short * 1, 1)
(self.blocks_interleave_0).set_processor_affinity([3])
self.blocks_float_to_short_0_0_0 = blocks.float_to_short(1, 2**11 - 1)
(self.blocks_float_to_short_0_0_0).set_processor_affinity([3])
self.blocks_float_to_short_0_0 = blocks.float_to_short(1, 2**11 - 1)
(self.blocks_float_to_short_0_0).set_processor_affinity([3])
self.blocks_float_to_complex_0 = blocks.float_to_complex(1)
(self.blocks_float_to_complex_0).set_processor_affinity([2])
self.blocks_divide_xx_0 = blocks.divide_ff(1)
(self.blocks_divide_xx_0).set_processor_affinity([3])
(self.blocks_divide_xx_0).set_min_output_buffer(96000)
self.blocks_delay_0_0 = blocks.delay(gr.sizeof_gr_complex * 1, 16)
(self.blocks_delay_0_0).set_processor_affinity([3])
(self.blocks_delay_0_0).set_min_output_buffer(96000)
self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex * 1,
sync_length)
(self.blocks_delay_0).set_processor_affinity([3])
(self.blocks_delay_0).set_min_output_buffer(96000)
self.blocks_deinterleave_0 = blocks.deinterleave(gr.sizeof_int * 1, 1)
(self.blocks_deinterleave_0).set_processor_affinity([1])
(self.blocks_deinterleave_0).set_min_output_buffer(32768)
self.blocks_conjugate_cc_0 = blocks.conjugate_cc()
(self.blocks_conjugate_cc_0).set_processor_affinity([3])
(self.blocks_conjugate_cc_0).set_min_output_buffer(96000)
self.blocks_complex_to_mag_squared_0 = blocks.complex_to_mag_squared(1)
(self.blocks_complex_to_mag_squared_0).set_processor_affinity([3])
(self.blocks_complex_to_mag_squared_0).set_min_output_buffer(96000)
self.blocks_complex_to_mag_0 = blocks.complex_to_mag(1)
(self.blocks_complex_to_mag_0).set_processor_affinity([3])
(self.blocks_complex_to_mag_0).set_min_output_buffer(96000)
self.blocks_complex_to_float_0 = blocks.complex_to_float(1)
(self.blocks_complex_to_float_0).set_processor_affinity([3])
(self.blocks_complex_to_float_0).set_min_output_buffer(16384)
self.COWN_syncher2_0 = COWN.syncher2()
(self.COWN_syncher2_0).set_processor_affinity([1])
self.COWN_resta_0 = COWN.resta()
(self.COWN_resta_0).set_processor_affinity([1])
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_message_strobe_0_0, 'strobe'),
(self.ieee802_11_ofdm_mac_0, 'app in'))
self.msg_connect((self.ieee802_11_ofdm_decode_mac_0, 'out'),
(self.ieee802_11_ofdm_parse_mac_0, 'in'))
self.msg_connect((self.ieee802_11_ofdm_mac_0, 'phy out'),
(self.ieee802_11_ofdm_mapper_0, 'in'))
self.msg_connect((self.ieee802_11_ofdm_parse_mac_0, 'fer'),
(self.blocks_pdu_to_tagged_stream_0, 'pdus'))
self.connect((self.COWN_resta_0, 0), (self.blocks_null_sink_0_0, 0))
self.connect((self.COWN_syncher2_0, 0),
(self.blocks_deinterleave_0, 0))
self.connect((self.blocks_complex_to_float_0, 0),
(self.blocks_float_to_short_0_0, 0))
self.connect((self.blocks_complex_to_float_0, 1),
(self.blocks_float_to_short_0_0_0, 0))
self.connect((self.blocks_complex_to_mag_0, 0),
(self.blocks_divide_xx_0, 0))
self.connect((self.blocks_complex_to_mag_squared_0, 0),
(self.ieee802_11_moving_average_xx_1, 0))
self.connect((self.blocks_conjugate_cc_0, 0),
(self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_deinterleave_0, 3), (self.COWN_resta_0, 0))
self.connect((self.blocks_deinterleave_0, 2),
(self.blocks_float_to_complex_0, 1))
self.connect((self.blocks_deinterleave_0, 1),
(self.blocks_float_to_complex_0, 0))
self.connect((self.blocks_deinterleave_0, 0),
(self.blocks_null_sink_0, 0))
self.connect((self.blocks_delay_0, 0),
(self.ieee802_11_ofdm_sync_long_0, 1))
self.connect((self.blocks_delay_0_0, 0),
(self.blocks_conjugate_cc_0, 0))
self.connect((self.blocks_delay_0_0, 0),
(self.ieee802_11_ofdm_sync_short_0, 0))
self.connect((self.blocks_divide_xx_0, 0),
(self.ieee802_11_ofdm_sync_short_0, 2))
self.connect((self.blocks_float_to_complex_0, 0),
(self.blocks_complex_to_mag_squared_0, 0))
self.connect((self.blocks_float_to_complex_0, 0),
(self.blocks_delay_0_0, 0))
self.connect((self.blocks_float_to_complex_0, 0),
(self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_float_to_short_0_0, 0),
(self.blocks_interleave_0, 0))
self.connect((self.blocks_float_to_short_0_0_0, 0),
(self.blocks_interleave_0, 1))
self.connect((self.blocks_interleave_0, 0),
(self.nutaq_rtdex_sink_0, 0))
self.connect((self.blocks_multiply_xx_0, 0),
(self.ieee802_11_moving_average_xx_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_0, 0),
(self.qtgui_number_sink_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_0, 0),
(self.qtgui_time_sink_x_2, 0))
self.connect((self.blocks_stream_to_vector_0, 0), (self.fft_vxx_0, 0))
self.connect((self.blocks_tagged_stream_mux_0, 0),
(self.digital_ofdm_carrier_allocator_cvc_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_ofdm_carrier_allocator_cvc_0_0_0, 0),
(self.fft_vxx_0_0, 0))
self.connect((self.digital_ofdm_cyclic_prefixer_0_0, 0),
(self.foo_packet_pad2_0_0, 0))
self.connect((self.digital_ofdm_cyclic_prefixer_0_0, 0),
(self.qtgui_time_sink_x_0_0_0_1_0_1, 0))
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.ieee802_11_ofdm_equalize_symbols_0, 0))
self.connect((self.fft_vxx_0_0, 0),
(self.digital_ofdm_cyclic_prefixer_0_0, 0))
self.connect((self.foo_packet_pad2_0_0, 0),
(self.blocks_complex_to_float_0, 0))
self.connect((self.ieee802_11_chunks_to_symbols_xx_0, 0),
(self.blocks_tagged_stream_mux_0, 1))
self.connect((self.ieee802_11_moving_average_xx_0, 0),
(self.blocks_complex_to_mag_0, 0))
self.connect((self.ieee802_11_moving_average_xx_0, 0),
(self.ieee802_11_ofdm_sync_short_0, 1))
self.connect((self.ieee802_11_moving_average_xx_1, 0),
(self.blocks_divide_xx_0, 1))
self.connect((self.ieee802_11_ofdm_decode_signal_0, 0),
(self.ieee802_11_ofdm_decode_mac_0, 0))
self.connect((self.ieee802_11_ofdm_equalize_symbols_0, 0),
(self.ieee802_11_ofdm_decode_signal_0, 0))
self.connect((self.ieee802_11_ofdm_mapper_0, 0),
(self.digital_packet_headergenerator_bb_0, 0))
self.connect((self.ieee802_11_ofdm_mapper_0, 0),
(self.ieee802_11_chunks_to_symbols_xx_0, 0))
self.connect((self.ieee802_11_ofdm_sync_long_0, 0),
(self.blocks_stream_to_vector_0, 0))
self.connect((self.ieee802_11_ofdm_sync_short_0, 0),
(self.blocks_delay_0, 0))
self.connect((self.ieee802_11_ofdm_sync_short_0, 0),
(self.blocks_null_sink_0_0_0, 0))
self.connect((self.ieee802_11_ofdm_sync_short_0, 0),
(self.ieee802_11_ofdm_sync_long_0, 0))
self.connect((self.nutaq_rtdex_source_0, 0), (self.COWN_syncher2_0, 0))
def __init__(self):
gr.top_block.__init__(self, "OFDM Tx")
##################################################
# 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_key = length_tag_key = "packet_len"
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 = 5000000
self.rolloff = rolloff = 0
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_len = packet_len = 96
self.header_mod = header_mod = digital.constellation_bpsk()
self.header_formatter = header_formatter = digital.packet_header_ofdm(
occupied_carriers, 1, length_tag_key)
self.fft_len = fft_len = 64
##################################################
# Blocks
##################################################
self.uhd_usrp_sink_0 = uhd.usrp_sink(
",".join(("", "")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_sink_0.set_samp_rate(samp_rate)
self.uhd_usrp_sink_0.set_center_freq(2490000000, 0)
self.uhd_usrp_sink_0.set_gain(20, 0)
self.uhd_usrp_sink_0.set_antenna("TX/RX", 0)
self.fft_vxx_0 = fft.fft_vcc(fft_len, False, (()), True, 1)
self.digital_packet_headergenerator_bb_0 = digital.packet_headergenerator_bb(
header_formatter.formatter(), "packet_len")
self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer(
fft_len, fft_len + fft_len / 4, rolloff, length_tag_key)
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)
self.digital_crc32_bb_0 = digital.crc32_bb(False, length_tag_key, True)
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, length_tag_key, 0)
self.blocks_tag_gate_0 = blocks.tag_gate(gr.sizeof_gr_complex * 1,
False)
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 = blocks.repack_bits_bb(
8, payload_mod.bits_per_symbol(), length_tag_key, False,
gr.GR_LSB_FIRST)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((0.05, ))
self.analog_random_source_x_0 = blocks.vector_source_b(
map(int, numpy.random.randint(0, 255, 1000)), True)
##################################################
# Connections
##################################################
self.connect((self.analog_random_source_x_0, 0),
(self.blocks_stream_to_tagged_stream_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.blocks_tag_gate_0, 0))
self.connect((self.blocks_repack_bits_bb_0, 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))
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.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_crc32_bb_0, 0),
(self.blocks_repack_bits_bb_0, 0))
self.connect((self.digital_crc32_bb_0, 0),
(self.digital_packet_headergenerator_bb_0, 0))
self.connect((self.digital_ofdm_carrier_allocator_cvc_0, 0),
(self.fft_vxx_0, 0))
self.connect((self.digital_ofdm_cyclic_prefixer_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
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_cyclic_prefixer_0, 0))
def __init__(self, options, payload='', msgq_limit=2, pad_for_usrp=False):
"""
Hierarchical block for sending packets
Packets to be sent are enqueued by calling send_pkt.
The output is the complex modulated signal at baseband.
@param options: pass modulation options from higher layers (fft length, occupied tones, etc.)
@param msgq_limit: maximum number of messages in message queue
@type msgq_limit: int
@param pad_for_usrp: If true, packets are padded such that they end up a multiple of 128 samples
"""
gr.hier_block2.__init__(self, "ofdm_mod",
gr.io_signature(0, 0, 0), # Input signature
gr.io_signature(1, 1, gr.sizeof_gr_complex)) # Output signature
self._fft_length = 64
self._total_sub_carriers = 53
self._data_subcarriers = 48
self._cp_length = 16
self._regime = options.regime
self._symbol_length = self._fft_length + self._cp_length
self._role = options.role
# assuming we have 100Ms/s going to the USRP2 and 80 samples per symbol
# we can calculate the OFDM symboltime (in microseconds)
# depending on the interpolation factor
self._symbol_time = options.interp*(self._fft_length+self._cp_length)/100
win = []
if(self._regime == "1" or self._regime == "2"):
rotated_const = ofdm_packet_utils.bpsk(self)
elif (self._regime == "3" or self._regime == "4"):
rotated_const = ofdm_packet_utils.qpsk(self)
elif(self._regime == "5" or self._regime == "6"):
rotated_const = ofdm_packet_utils.qam16(self)
elif(self._regime == "7" or self._regime == "8"):
rotated_const = ofdm_packet_utils.qam64(self)
# map groups of bits to complex symbols
self._pkt_input = ftw.ofdm_mapper(rotated_const, msgq_limit, self._data_subcarriers, self._fft_length)
# insert pilot symbols (use pnc block * by lzyou)
if self._role == 'A':
print " >>> [FPNC]: *A* Insert Pilot"
self.pilot = ftw.pnc_ofdm_pilot_cc(self._data_subcarriers, 1)
elif self._role == 'B':
print " >>> [FPNC]: *B* Insert Pilot"
self.pilot = ftw.pnc_ofdm_pilot_cc(self._data_subcarriers, 2)
else:
print " >>> [FTW ]: Insert Pilot"
self.pilot = ftw.ofdm_pilot_cc(self._data_subcarriers)
# just for test
#self.pilot = ftw.pnc_ofdm_pilot_cc(self._data_subcarriers, 1)
#self.pilot = ftw.pnc_ofdm_pilot_cc(self._data_subcarriers, 2)
# move subcarriers to their designated place and insert DC
self.cmap = ftw.ofdm_cmap_cc(self._fft_length, self._total_sub_carriers)
# inverse fast fourier transform
self.ifft = gr.fft_vcc(self._fft_length, False, win, False)
# add cyclic prefix
from gnuradio import digital
self.cp_adder = digital.ofdm_cyclic_prefixer(self._fft_length, self._symbol_length)
self.connect(gr.null_source(gr.sizeof_char), (self.cp_adder, 1)) # Note: dirty modification to accomdate the API change
# scale accordingly
self.scale = gr.multiply_const_cc(1.0 / math.sqrt(self._fft_length))
# we need to know the number of OFDM data symbols for preamble and zerogap
info = ofdm_packet_utils.get_info(payload, options.regime, self._symbol_time)
N_sym = info["N_sym"]
# add training sequence (modify by lzyou)
if self._role == 'A':
print " >>> [FPNC]: *A* Insert Preamble"
self.preamble= ofdm_packet_utils.insert_preamble(self._symbol_length, N_sym, 'A')
elif self._role == 'B':
print " >>> [FPNC]: *B* Insert Preamble"
self.preamble= ofdm_packet_utils.insert_preamble(self._symbol_length, N_sym, 'B')
else:
print " >>> [FTW ]: Insert Preamble"
self.preamble= ofdm_packet_utils.insert_preamble(self._symbol_length, N_sym)
# append zero samples at the end (receiver needs that to decode)
if self._role == None:
print " >>> [FTW ]: Insert Zerogap"
self.zerogap = ofdm_packet_utils.insert_zerogap(self._symbol_length, N_sym)
else:
print " >>> [FPNC]: Insert Zerogap"
self.zerogap = ofdm_packet_utils.insert_zerogap(self._symbol_length, N_sym, 'FPNC')
self.s2v = gr.stream_to_vector(gr.sizeof_gr_complex , self._symbol_length)
self.v2s = gr.vector_to_stream(gr.sizeof_gr_complex , self._symbol_length)
# swap real and immaginary component before sending (GNURadio/USRP2 bug!)
if options.swapIQ == True:
self.gr_complex_to_imag_0 = gr.complex_to_imag(1)
self.gr_complex_to_real_0 = gr.complex_to_real(1)
self.gr_float_to_complex_0 = gr.float_to_complex(1)
self.connect((self.v2s, 0), (self.gr_complex_to_imag_0, 0))
self.connect((self.v2s, 0), (self.gr_complex_to_real_0, 0))
self.connect((self.gr_complex_to_real_0, 0), (self.gr_float_to_complex_0, 1))
self.connect((self.gr_complex_to_imag_0, 0), (self.gr_float_to_complex_0, 0))
self.connect((self.gr_float_to_complex_0, 0), (self))
elif options.swapIQ == False:
self.gr_complex_to_imag_0 = gr.complex_to_imag(1)
self.gr_complex_to_real_0 = gr.complex_to_real(1)
self.gr_float_to_complex_0 = gr.float_to_complex(1)
self.connect((self.v2s, 0), (self.gr_complex_to_imag_0, 0))
self.connect((self.v2s, 0), (self.gr_complex_to_real_0, 0))
self.connect((self.gr_complex_to_imag_0, 0), (self.gr_float_to_complex_0, 1))
self.connect((self.gr_complex_to_real_0, 0), (self.gr_float_to_complex_0, 0))
self.connect((self.gr_float_to_complex_0, 0), (self))
# connect the blocks
self.connect((self._pkt_input, 0), (self.pilot, 0))
self.connect((self._pkt_input,1), (self.preamble, 1))
self.connect((self.preamble,1), (self.zerogap, 1))
self.connect(self.pilot, self.cmap, self.ifft, self.cp_adder, self.scale, self.s2v, self.preamble, self.zerogap, self.v2s)
if options.log:
self.connect((self._pkt_input), gr.file_sink(gr.sizeof_gr_complex * self._data_subcarriers, "ofdm_mapper.dat"))
self.connect(self.pilot, gr.file_sink(gr.sizeof_gr_complex * (5 + self._data_subcarriers), "ofdm_pilot.dat"))
self.connect(self.cmap, gr.file_sink(gr.sizeof_gr_complex * self._fft_length, "ofdm_cmap.dat"))
self.connect(self.ifft, gr.file_sink(gr.sizeof_gr_complex * self._fft_length, "ofdm_ifft.dat"))
self.connect(self.cp_adder, gr.file_sink(gr.sizeof_gr_complex, "ofdm_cp_adder.dat"))
self.connect(self.scale, gr.file_sink(gr.sizeof_gr_complex, "ofdm_scale.dat"))
self.connect(self.preamble, gr.file_sink(gr.sizeof_gr_complex * self._symbol_length, "ofdm_preamble.dat"))
self.connect(self.zerogap, gr.file_sink(gr.sizeof_gr_complex * self._symbol_length, "ofdm_zerogap.dat"))
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 main(args):
d = 'Transmit a DVB-T signal using the bladeRF and gr-dtv'
parser = argparse.ArgumentParser()
mode_help = '# of carriers. Options: t2k, t8k (default).'
parser.add_argument('-m', '--mode', dest='mode', default='t8k',
type=str, help=mode_help)
ch_help = 'channel width in MHz. Options: 5, 6, 7, 8 (default).'
parser.add_argument('-c', '--channel', dest='channel', default=8,
metavar='CH', type=int, help=ch_help)
const_help = 'constellation. qpsk, qam16, qam64 (default).'
parser.add_argument('-C', '--cons', dest='cons', default='qam64',
metavar='TYPE', type=str, help=const_help)
rate_help = 'Viterbi rate. 1/2, 2/3, 3/4, 5/6, 7/8 (default).'
parser.add_argument('-r', '--rate', dest='rate', default='7/8',
type=str, help=rate_help)
guard_help = 'guard interval. 1/32 (default), 1/16, 1/8, 1/4.'
parser.add_argument('-g', '--guard', dest='interval', default='1/32',
metavar='D', type=str, help=guard_help)
freq_help = 'center frequency (Hz). Default is 429e6.'
parser.add_argument('-f', '--freq', dest='freq', default=429e6,
type=float, help=freq_help)
vga1_help = 'bladeRF TXVGA1 gain. Default is -6.'
parser.add_argument('--txvga1', dest='txvga1', default=-6,
metavar='gain', type=int, help=vga1_help)
vga2_help = 'bladeRF TXVGA2 gain. Default is 9.'
parser.add_argument('--txvga2', dest='txvga2', default=9,
metavar='gain', type=int, help=vga2_help)
outfile_help = 'write to specified file.'
parser.add_argument('-o', '--output', dest='outfile', default=None,
metavar='OUT', type=str, help=outfile_help)
parser.add_argument('infile', metavar='input-file', type=str,
help='Input file')
args = parser.parse_args()
print args
if args.mode.lower() == 't2k':
mode = dtv.T2k
elif args.mode.lower() == 't8k':
mode = dtv.T8k
else:
sys.stderr.write('Invalid mode provided: ' + args.mode + '\n')
sys.exit(1)
if args.channel < 5 or args.channel > 8:
sys.stderr.write('Invalid channel: ' + str(args.channel) + '\n')
sys.exit(1)
else:
channel_mhz = args.channel
if args.cons.lower() == 'qpsk':
constellation = dtv.MOD_QPSK
elif args.cons.lower() == 'qam16':
constellation = dtv.MOD_16QAM
elif args.cons.lower() == 'qam64':
constellation = dtv.MOD_64QAM
else:
sys.stderr.write('Invalid constellation type: ' + args.cons + '\n')
sys.exit(1)
if args.rate == '1/2':
code_rate = dtv.C1_2
elif args.rate == '2/3':
code_rate = dtv.C2_3
elif args.rate == '3/4':
code_rate = dtv.C3_4
elif args.rate == '5/6':
code_rate = dtv.C5_6
elif args.rate == '7/8':
code_rate = dtv.C7_8
else:
sys.stderr.write('Invalid Viterbi rate: ' + args.rate + '\n')
sys.exit(1)
if args.interval == '1/32':
guard_interval = dtv.GI_1_32
elif args.interval == '1/16':
guard_interval = dtv.GI_1_16
elif args.interval == '1/8':
guard_interval = dtv.GI_1_8
elif args.interval == '1/4':
guard_interval = dtv.GI_1_4
else:
sys.stderr.write('Invalid guard interval: ' + args.interval + '\n')
sys.exit(1)
if args.freq < 300e6 or args.freq > 3.8e9:
sys.stderr.write('Invalid center frequency: ' + str(args.freq) + '\n')
sys.exit(1)
else:
center_freq = int(args.freq)
if args.txvga1 < -35 or args.txvga1 > -4:
sys.stderr.write('Invalid bladeRF TXVGA1 gain: ' +
str(args.txvga1) + '\n')
sys.exit(1)
else:
txvga1_gain = args.txvga1
if args.txvga2 < 0 or args.txvga2 > 25:
sys.stderr.write('Invalid bladeRF TXVGA2 gain: ' +
str(args.txvga2) + '\n')
sys.exit(1)
else:
txvga2_gain = args.txvga2
infile = args.infile
outfile = args.outfile
symbol_rate = channel_mhz * 8000000.0 / 7
if mode == dtv.T2k:
factor = 1
carriers = 2048
elif mode == dtv.T8k:
factor = 4
carriers = 8192
if guard_interval == dtv.GI_1_32:
gi = carriers / 32
elif guard_interval == dtv.GI_1_16:
gi = carriers / 16
elif guard_interval == dtv.GI_1_8:
gi = carriers / 8
elif guard_interval == dtv.GI_1_4:
gi = carriers / 4
if channel_mhz == 8:
bandwidth = 8750000
elif channel_mhz == 7:
bandwidth = 7000000
elif channel_mhz == 6:
bandwidth = 6000000
elif channel_mhz == 5:
bandwidth = 5000000
else:
bandwidth = 8750000
tb = gr.top_block()
src = blocks.file_source(gr.sizeof_char, infile, True)
dtv_dvbt_energy_dispersal = dtv.dvbt_energy_dispersal(1 * factor)
dtv_dvbt_reed_solomon_enc = dtv.dvbt_reed_solomon_enc(2, 8, 0x11d, 255, 239, 8, 51, (8 * factor))
dtv_dvbt_convolutional_interleaver = dtv.dvbt_convolutional_interleaver((136 * factor), 12, 17)
dtv_dvbt_inner_coder = dtv.dvbt_inner_coder(1, (1512 * factor), constellation, dtv.NH, code_rate)
dtv_dvbt_bit_inner_interleaver = dtv.dvbt_bit_inner_interleaver((1512 * factor), constellation, dtv.NH, mode)
dtv_dvbt_symbol_inner_interleaver = dtv.dvbt_symbol_inner_interleaver((1512 * factor), mode, 1)
dtv_dvbt_map = dtv.dvbt_map((1512 * factor), constellation, dtv.NH, mode, 1)
dtv_dvbt_reference_signals = dtv.dvbt_reference_signals(gr.sizeof_gr_complex, (1512 * factor), carriers, constellation, dtv.NH, code_rate, code_rate, guard_interval, mode, 0, 0)
fft_vxx = fft.fft_vcc(carriers, False, (window.rectangular(carriers)), True, 10)
digital_ofdm_cyclic_prefixer = digital.ofdm_cyclic_prefixer(carriers, carriers+(gi), 0, "")
blocks_multiply_const_vxx = blocks.multiply_const_vcc((0.0022097087, ))
out = osmosdr.sink(args="bladerf=0,buffers=128,buflen=32768")
out.set_sample_rate(symbol_rate)
out.set_center_freq(center_freq, 0)
out.set_freq_corr(0, 0)
out.set_gain(txvga2_gain, 0)
out.set_bb_gain(txvga1_gain, 0)
out.set_bandwidth(bandwidth, 0)
tb.connect(src, dtv_dvbt_energy_dispersal)
tb.connect(dtv_dvbt_energy_dispersal, dtv_dvbt_reed_solomon_enc)
tb.connect(dtv_dvbt_reed_solomon_enc, dtv_dvbt_convolutional_interleaver)
tb.connect(dtv_dvbt_convolutional_interleaver, dtv_dvbt_inner_coder)
tb.connect(dtv_dvbt_inner_coder, dtv_dvbt_bit_inner_interleaver)
tb.connect(dtv_dvbt_bit_inner_interleaver, dtv_dvbt_symbol_inner_interleaver)
tb.connect(dtv_dvbt_symbol_inner_interleaver, dtv_dvbt_map)
tb.connect(dtv_dvbt_map, dtv_dvbt_reference_signals)
tb.connect(dtv_dvbt_reference_signals, fft_vxx)
tb.connect(fft_vxx, digital_ofdm_cyclic_prefixer)
tb.connect(digital_ofdm_cyclic_prefixer, blocks_multiply_const_vxx)
tb.connect(blocks_multiply_const_vxx, out)
if outfile:
dst = blocks.file_sink(gr.sizeof_gr_complex, outfile)
tb.connect(blocks_multiply_const_vxx, dst)
tb.run()
def main(args):
nargs = len(args)
if nargs == 1:
infile = args[0]
outfile = None
elif nargs == 2:
infile = args[0]
outfile = args[1]
else:
sys.stderr.write("Usage: dvbt-blade.py input_file [output_file]\n");
sys.exit(1)
channel_mhz = 6
mode = dvbt.T2k
code_rate = dvbt.C1_2
constellation = dvbt.QPSK
symbol_rate = channel_mhz * 8000000.0 / 7
center_freq = 441000000
txvga1_gain = -4
txvga2_gain = 25
if mode == dvbt.T2k:
factor = 1
carriers = 2048
elif mode == dvbt.T8k:
factor = 4
carriers = 8192
if channel_mhz == 8:
bandwidth = 8750000
elif channel_mhz == 7:
bandwidth = 7000000
elif channel_mhz == 6:
bandwidth = 6000000
elif channel_mhz == 5:
bandwidth = 5000000
else:
bandwidth = 8750000
tb = gr.top_block()
src = blocks.file_source(gr.sizeof_char, infile, True)
dvbt_energy_dispersal = dvbt.energy_dispersal(1 * factor)
dvbt_reed_solomon_enc = dvbt.reed_solomon_enc(2, 8, 0x11d, 255, 239, 8, 51, (8 * factor))
dvbt_convolutional_interleaver = dvbt.convolutional_interleaver((136 * factor), 12, 17)
dvbt_inner_coder = dvbt.inner_coder(1, (1512 * factor), constellation, dvbt.NH, code_rate)
dvbt_bit_inner_interleaver = dvbt.bit_inner_interleaver((1512 * factor), constellation, dvbt.NH, mode)
dvbt_symbol_inner_interleaver = dvbt.symbol_inner_interleaver((1512 * factor), mode, 1)
dvbt_dvbt_map = dvbt.dvbt_map((1512 * factor), constellation, dvbt.NH, mode, 1)
dvbt_reference_signals = dvbt.reference_signals(gr.sizeof_gr_complex, (1512 * factor), carriers, constellation, dvbt.NH, code_rate, code_rate, dvbt.G1_32, mode, 0, 0)
fft_vxx = fft.fft_vcc(carriers, False, (window.rectangular(carriers)), True, 10)
digital_ofdm_cyclic_prefixer = digital.ofdm_cyclic_prefixer(carriers, carriers+(64 * factor), 0, "")
blocks_multiply_const_vxx = blocks.multiply_const_vcc((0.0022097087 * 2.5, ))
out = osmosdr.sink(args="bladerf=0,buffers=128,buflen=32768")
out.set_sample_rate(symbol_rate)
out.set_center_freq(center_freq, 0)
out.set_freq_corr(0, 0)
out.set_gain(txvga2_gain, 0)
out.set_bb_gain(txvga1_gain, 0)
out.set_bandwidth(bandwidth, 0)
tb.connect(src, dvbt_energy_dispersal)
tb.connect(dvbt_energy_dispersal, dvbt_reed_solomon_enc)
tb.connect(dvbt_reed_solomon_enc, dvbt_convolutional_interleaver)
tb.connect(dvbt_convolutional_interleaver, dvbt_inner_coder)
tb.connect(dvbt_inner_coder, dvbt_bit_inner_interleaver)
tb.connect(dvbt_bit_inner_interleaver, dvbt_symbol_inner_interleaver)
tb.connect(dvbt_symbol_inner_interleaver, dvbt_dvbt_map)
tb.connect(dvbt_dvbt_map, dvbt_reference_signals)
tb.connect(dvbt_reference_signals, fft_vxx)
tb.connect(fft_vxx, digital_ofdm_cyclic_prefixer)
tb.connect(digital_ofdm_cyclic_prefixer, blocks_multiply_const_vxx)
tb.connect(blocks_multiply_const_vxx, out)
if outfile:
dst = blocks.file_sink(gr.sizeof_gr_complex, outfile)
tb.connect(blocks_multiply_const_vxx, dst)
tb.run()
src = blocks.file_source(gr.sizeof_char, infile, True)
log.debug("source block initialized")
dvbt2_bbheader = dvbt2.bbheader_bb(frame_size, code_rate, input_mode, dvbt2.INBAND_OFF, fec_blocks, 4000000)
dvbt2_bbscrambler = dvbt2.bbscrambler_bb(frame_size, code_rate)
dvbt2_bch = dvbt2.bch_bb(frame_size, code_rate)
dvbt2_ldpc = dvbt2.ldpc_bb(frame_size, code_rate)
dvbt2_interleaver = dvbt2.interleaver_bb(frame_size, code_rate, constellation)
dvbt2_modulator = dvbt2.modulator_bc(frame_size, constellation, rotation)
dvbt2_cellinterleaver = dvbt2.cellinterleaver_cc(frame_size, constellation, fec_blocks, ti_blocks)
dvbt2_framemapper = dvbt2.framemapper_cc(frame_size, code_rate, constellation, rotation, fec_blocks, ti_blocks, carrier_mode, fft_size, guard_interval, l1_constellation, pilot_pattern, 2, data_symbols, papr_mode, version, mode, input_mode, dvbt2.RESERVED_OFF, dvbt2.L1_SCRAMBLED_OFF, dvbt2.INBAND_OFF)
dvbt2_freqinterleaver = dvbt2.freqinterleaver_cc(carrier_mode, fft_size, pilot_pattern, guard_interval, data_symbols, papr_mode, version, mode)
dvbt2_pilotgenerator = dvbt2.pilotgenerator_cc(carrier_mode, fft_size, pilot_pattern, guard_interval, data_symbols, papr_mode, version, mode, dvbt2.MISO_TX1, dvbt2.EQUALIZATION_ON, equalization_bandwidth, fftsize)
dvbt2_paprtr = dvbt2.paprtr_cc(carrier_mode, fft_size, pilot_pattern, guard_interval, data_symbols, papr_mode, version, papr_vclip, papr_iterations, fftsize)
digital_ofdm_cyclic_prefixer = digital.ofdm_cyclic_prefixer(fftsize, fftsize+(gi), 0, "")
dvbt2_p1insertion = dvbt2.p1insertion_cc(carrier_mode, fft_size, guard_interval, data_symbols, mode, dvbt2.SHOWLEVELS_OFF, 3.31)
blocks_multiply_const = blocks.multiply_const_vcc((0.2, ))
log.debug("DVB-T2 blocks initialized")
out = osmosdr.sink(args="numchan=1")
out.set_sample_rate(samp_rate)
out.set_center_freq(center_freq, 0)
out.set_freq_corr(0, 0)
out.set_gain(rf_gain, 0)
out.set_if_gain(if_gain, 0)
out.set_bb_gain(bb_gain, 0)
out.set_antenna("", 0)
out.set_bandwidth(bandwidth, 0)
log.debug("Output block initialized")
def __init__(self, dab_params, verbose=False, debug=False): """ Hierarchical block for OFDM modulation @param dab_params DAB parameter object (dab.parameters.dab_parameters) @param debug enables debug output to files """ dp = dab_params gr.hier_block2.__init__(self,"ofdm_mod", gr.io_signature2(2, 2, gr.sizeof_char*dp.num_carriers/4, gr.sizeof_char), # input signature gr.io_signature (1, 1, gr.sizeof_gr_complex)) # output signature # symbol mapping self.mapper = dab.qpsk_mapper_vbc(dp.num_carriers) # add pilot symbol self.insert_pilot = dab.ofdm_insert_pilot_vcc(dp.prn) # phase sum self.sum_phase = dab.sum_phasor_trig_vcc(dp.num_carriers) # frequency interleaving self.interleave = dab.frequency_interleaver_vcc(dp.frequency_interleaving_sequence_array) # add central carrier & move to middle self.move_and_insert_carrier = dab.ofdm_move_and_insert_zero(dp.fft_length, dp.num_carriers) # ifft self.ifft = fft.fft_vcc(dp.fft_length, False, [], True) # cyclic prefixer self.prefixer = digital.ofdm_cyclic_prefixer(dp.fft_length, dp.symbol_length) # convert back to vectors self.s2v = blocks.stream_to_vector(gr.sizeof_gr_complex, dp.symbol_length) # add null symbol self.insert_null = dab.insert_null_symbol(dp.ns_length, dp.symbol_length) # # connect it all # # data self.connect((self,0), self.mapper, (self.insert_pilot,0), (self.sum_phase,0), self.interleave, self.move_and_insert_carrier, self.ifft, self.prefixer, self.s2v, (self.insert_null,0)) self.connect(self.insert_null, self) # control signal (frame start) self.connect((self,1), (self.insert_pilot,1), (self.sum_phase,1), (self.insert_null,1)) if debug: self.connect(self.mapper, blocks.file_sink(gr.sizeof_gr_complex*dp.num_carriers, "debug/generated_signal_mapper.dat")) self.connect(self.insert_pilot, blocks.file_sink(gr.sizeof_gr_complex*dp.num_carriers, "debug/generated_signal_insert_pilot.dat")) self.connect(self.sum_phase, blocks.file_sink(gr.sizeof_gr_complex*dp.num_carriers, "debug/generated_signal_sum_phase.dat")) self.connect(self.interleave, blocks.file_sink(gr.sizeof_gr_complex*dp.num_carriers, "debug/generated_signal_interleave.dat")) self.connect(self.move_and_insert_carrier, blocks.file_sink(gr.sizeof_gr_complex*dp.fft_length, "debug/generated_signal_move_and_insert_carrier.dat")) self.connect(self.ifft, blocks.file_sink(gr.sizeof_gr_complex*dp.fft_length, "debug/generated_signal_ifft.dat")) self.connect(self.prefixer, blocks.file_sink(gr.sizeof_gr_complex, "debug/generated_signal_prefixer.dat")) self.connect(self.insert_null, blocks.file_sink(gr.sizeof_gr_complex, "debug/generated_signal.dat"))
def __init__(self):
gr.top_block.__init__(self, "Simulator Ofdm")
Qt.QWidget.__init__(self)
self.setWindowTitle("Simulator Ofdm")
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", "simulator_ofdm")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 5000000
self.packet_len = packet_len = 2**9
self.occupied_carriers_all = occupied_carriers_all = (range(-26, 27), )
self.fft_len = fft_len = 2**6
self.zeropadding_fac = zeropadding_fac = 2
self.velocity = velocity = 500
self.value_range = value_range = 100
self.v_max = v_max = 2000
self.transpose_len = transpose_len = int(
np.ceil(packet_len * 4.0 / len(occupied_carriers_all[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.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.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 = "packet_len"
self.discarded_carriers = discarded_carriers = []
self.center_freq = center_freq = 2.45e9
self.R_max = R_max = 3e8 / 2 / samp_rate * fft_len
##################################################
# Blocks
##################################################
self._velocity_range = Range(-v_max, v_max, 1, 500, 200)
self._velocity_win = RangeWidget(self._velocity_range,
self.set_velocity, 'Velocity',
"counter_slider", float)
self.top_grid_layout.addWidget(self._velocity_win, 0, 1, 1, 1)
for r in range(0, 1):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(1, 2):
self.top_grid_layout.setColumnStretch(c, 1)
self._value_range_range = Range(0.1, R_max, 1, 100, 200)
self._value_range_win = RangeWidget(self._value_range_range,
self.set_value_range, 'range',
"counter_slider", float)
self.top_grid_layout.addWidget(self._value_range_win, 0, 0, 1, 1)
for r in range(0, 1):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 1):
self.top_grid_layout.setColumnStretch(c, 1)
self.radar_transpose_matrix_vcvc_0_0 = radar.transpose_matrix_vcvc(
transpose_len, fft_len * zeropadding_fac, "packet_len")
(self.radar_transpose_matrix_vcvc_0_0).set_min_output_buffer(78)
self.radar_transpose_matrix_vcvc_0 = radar.transpose_matrix_vcvc(
fft_len * zeropadding_fac, transpose_len, "packet_len")
(self.radar_transpose_matrix_vcvc_0).set_min_output_buffer(256)
self.radar_static_target_simulator_cc_0 = radar.static_target_simulator_cc(
(value_range, ), (velocity, ), (1e25, ), (0, ), (0, ), samp_rate,
center_freq, -10, True, True, "packet_len")
(self.radar_static_target_simulator_cc_0).set_min_output_buffer(6240)
self.radar_qtgui_spectrogram_plot_0 = radar.qtgui_spectrogram_plot(
fft_len * zeropadding_fac, 500, 'value_range', 'Velocity',
'OFDM Radar', (0, R_max), (0, v_max), (-15, -12), True,
"packet_len")
self.radar_print_results_0 = radar.print_results(False, "")
self.radar_os_cfar_2d_vc_0 = radar.os_cfar_2d_vc(
fft_len * zeropadding_fac, (10, 10), (0, 0), 0.78, 30,
"packet_len")
self.radar_ofdm_divide_vcvc_0 = radar.ofdm_divide_vcvc(
fft_len, (fft_len - len(discarded_carriers)) * zeropadding_fac,
(()), 0, "packet_len")
(self.radar_ofdm_divide_vcvc_0).set_min_output_buffer(78)
self.radar_ofdm_cyclic_prefix_remover_cvc_0 = radar.ofdm_cyclic_prefix_remover_cvc(
fft_len, fft_len / 4, "packet_len")
(self.radar_ofdm_cyclic_prefix_remover_cvc_0).set_min_output_buffer(78)
self.radar_estimator_ofdm_0 = radar.estimator_ofdm(
'range', fft_len * zeropadding_fac, (0, R_max), 'velocity',
transpose_len, (0, v_max, -v_max, 0), True)
self.fft_vxx_0_1_0 = fft.fft_vcc(
transpose_len, False, (window.blackmanharris(transpose_len)),
False, 1)
self.fft_vxx_0_1 = fft.fft_vcc(
fft_len * zeropadding_fac, True,
(window.blackmanharris(fft_len * zeropadding_fac)), False, 1)
self.fft_vxx_0_0 = fft.fft_vcc(fft_len, True, (()), True, 1)
(self.fft_vxx_0_0).set_min_output_buffer(78)
self.fft_vxx_0 = fft.fft_vcc(fft_len, False, (()), True, 1)
self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer(
fft_len, fft_len + fft_len / 4, 0, length_tag_key)
(self.digital_ofdm_cyclic_prefixer_0).set_min_output_buffer(6240)
self.digital_ofdm_carrier_allocator_cvc_0 = digital.ofdm_carrier_allocator_cvc(
fft_len, occupied_carriers_all, ((), ), ((), ), (), length_tag_key)
(self.digital_ofdm_carrier_allocator_cvc_0).set_min_output_buffer(78)
self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc(
(payload_mod.points()), 1)
(self.digital_chunks_to_symbols_xx_0_0).set_min_output_buffer(4096)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char * 1, samp_rate,
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 = blocks.repack_bits_bb(
8, payload_mod.bits_per_symbol(), length_tag_key, False,
gr.GR_LSB_FIRST)
self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_float * fft_len *
zeropadding_fac)
self.blocks_nlog10_ff_0 = blocks.nlog10_ff(1,
fft_len * zeropadding_fac,
0)
self.blocks_complex_to_mag_squared_0 = blocks.complex_to_mag_squared(
fft_len * zeropadding_fac)
self.blocks_add_xx_0 = blocks.add_vcc(1)
self.analog_random_source_x_0 = blocks.vector_source_b(
map(int, numpy.random.randint(0, 255, 1000)), True)
self.analog_noise_source_x_0 = analog.noise_source_c(
analog.GR_GAUSSIAN, 0.1, 0)
##################################################
# Connections
##################################################
self.msg_connect((self.radar_estimator_ofdm_0, 'Msg out'),
(self.radar_print_results_0, 'Msg in'))
self.msg_connect((self.radar_os_cfar_2d_vc_0, 'Msg out'),
(self.radar_estimator_ofdm_0, 'Msg in'))
self.connect((self.analog_noise_source_x_0, 0),
(self.blocks_add_xx_0, 0))
self.connect((self.analog_random_source_x_0, 0),
(self.blocks_throttle_0, 0))
self.connect((self.blocks_add_xx_0, 0),
(self.radar_ofdm_cyclic_prefix_remover_cvc_0, 0))
self.connect((self.blocks_complex_to_mag_squared_0, 0),
(self.blocks_nlog10_ff_0, 0))
self.connect((self.blocks_nlog10_ff_0, 0),
(self.blocks_null_sink_0, 0))
self.connect((self.blocks_nlog10_ff_0, 0),
(self.radar_qtgui_spectrogram_plot_0, 0))
self.connect((self.blocks_repack_bits_bb_0, 0),
(self.digital_chunks_to_symbols_xx_0_0, 0))
self.connect((self.blocks_stream_to_tagged_stream_0, 0),
(self.blocks_repack_bits_bb_0, 0))
self.connect((self.blocks_throttle_0, 0),
(self.blocks_stream_to_tagged_stream_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_0_0, 0),
(self.digital_ofdm_carrier_allocator_cvc_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),
(self.radar_ofdm_divide_vcvc_0, 0))
self.connect((self.digital_ofdm_cyclic_prefixer_0, 0),
(self.radar_static_target_simulator_cc_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.radar_ofdm_divide_vcvc_0, 1))
self.connect((self.fft_vxx_0_1, 0),
(self.radar_transpose_matrix_vcvc_0, 0))
self.connect((self.fft_vxx_0_1_0, 0),
(self.radar_transpose_matrix_vcvc_0_0, 0))
self.connect((self.radar_ofdm_cyclic_prefix_remover_cvc_0, 0),
(self.fft_vxx_0_0, 0))
self.connect((self.radar_ofdm_divide_vcvc_0, 0), (self.fft_vxx_0_1, 0))
self.connect((self.radar_static_target_simulator_cc_0, 0),
(self.blocks_add_xx_0, 1))
self.connect((self.radar_transpose_matrix_vcvc_0, 0),
(self.fft_vxx_0_1_0, 0))
self.connect((self.radar_transpose_matrix_vcvc_0_0, 0),
(self.blocks_complex_to_mag_squared_0, 0))
self.connect((self.radar_transpose_matrix_vcvc_0_0, 0),
(self.radar_os_cfar_2d_vc_0, 0))
def __init__(self, filename="tx-test.32fc"):
grc_wxgui.top_block_gui.__init__(self, title="SWiFi TX")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Parameters
##################################################
self.filename = filename
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 20e6
self.mult = mult = 1
self.lo_offset = lo_offset = 0
self.gain = gain = 25
self.freq = freq = 2.462e9
self.encoding = encoding = 3
##################################################
# Blocks
##################################################
_mult_sizer = wx.BoxSizer(wx.VERTICAL)
self._mult_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_mult_sizer,
value=self.mult,
callback=self.set_mult,
label='mult',
converter=forms.float_converter(),
proportion=0,
)
self._mult_slider = forms.slider(
parent=self.GetWin(),
sizer=_mult_sizer,
value=self.mult,
callback=self.set_mult,
minimum=0,
maximum=2,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_mult_sizer)
self.swifi_wifi_conv_encoder_0 = swifi.wifi_conv_encoder("phy")
self.swifi_scrambler_0_0 = swifi.scrambler(True, "phy")
self.swifi_sample_adder_0 = swifi.sample_adder(100, 11, 320)
self.swifi_phy_frame_generator_0 = swifi.phy_frame_generator(
"phy", "packet_len")
self.swifi_mac_frame_generator_0 = swifi.mac_frame_generator(
"phy", 11, 100)
self.swifi_interleaver_0_0 = swifi.interleaver(True, "phy")
self.swifi_chunks_to_symbols_0_0 = swifi.chunks_to_symbols("phy")
self.swifi_bit_stealer_0_0 = swifi.bit_stealer("phy")
self.swifi_bit_packer_0_0 = swifi.bit_packer("phy", 1)
self._samp_rate_chooser = forms.radio_buttons(
parent=self.GetWin(),
value=self.samp_rate,
callback=self.set_samp_rate,
label="Sample Rate",
choices=[10e6, 20e6],
labels=["10 Mhz", "20 Mhz"],
style=wx.RA_HORIZONTAL,
)
self.Add(self._samp_rate_chooser)
self._lo_offset_chooser = forms.drop_down(
parent=self.GetWin(),
value=self.lo_offset,
callback=self.set_lo_offset,
label="LO Offset",
choices=[0, 6e9, 11e9],
labels=['0 MHz', '6 MHz', '11 MHz'],
)
self.Add(self._lo_offset_chooser)
_gain_sizer = wx.BoxSizer(wx.VERTICAL)
self._gain_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_gain_sizer,
value=self.gain,
callback=self.set_gain,
label='gain',
converter=forms.float_converter(),
proportion=0,
)
self._gain_slider = forms.slider(
parent=self.GetWin(),
sizer=_gain_sizer,
value=self.gain,
callback=self.set_gain,
minimum=0,
maximum=100,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_gain_sizer)
self._freq_chooser = forms.drop_down(
parent=self.GetWin(),
value=self.freq,
callback=self.set_freq,
label="Channel",
choices=[
2412000000.0, 2417000000.0, 2422000000.0, 2427000000.0,
2432000000.0, 2437000000.0, 2442000000.0, 2447000000.0,
2452000000.0, 2457000000.0, 2462000000.0, 2467000000.0,
2472000000.0, 2484000000.0, 5170000000.0, 5180000000.0,
5190000000.0, 5200000000.0, 5210000000.0, 5220000000.0,
5230000000.0, 5240000000.0, 5260000000.0, 5280000000.0,
5300000000.0, 5320000000.0, 5500000000.0, 5520000000.0,
5540000000.0, 5560000000.0, 5580000000.0, 5600000000.0,
5620000000.0, 5640000000.0, 5660000000.0, 5680000000.0,
5700000000.0, 5745000000.0, 5765000000.0, 5785000000.0,
5805000000.0, 5825000000.0, 5860000000.0, 5870000000.0,
5880000000.0, 5890000000.0, 5900000000.0, 5910000000.0,
5920000000.0
],
labels=[
' 1 | 2412.0 | 11g', ' 2 | 2417.0 | 11g',
' 3 | 2422.0 | 11g', ' 4 | 2427.0 | 11g',
' 5 | 2432.0 | 11g', ' 6 | 2437.0 | 11g',
' 7 | 2442.0 | 11g', ' 8 | 2447.0 | 11g',
' 9 | 2452.0 | 11g', ' 10 | 2457.0 | 11g',
' 11 | 2462.0 | 11g', ' 12 | 2467.0 | 11g',
' 13 | 2472.0 | 11g', ' 14 | 2484.0 | 11g',
' 34 | 5170.0 | 11a', ' 36 | 5180.0 | 11a',
' 38 | 5190.0 | 11a', ' 40 | 5200.0 | 11a',
' 42 | 5210.0 | 11a', ' 44 | 5220.0 | 11a',
' 46 | 5230.0 | 11a', ' 48 | 5240.0 | 11a',
' 52 | 5260.0 | 11a', ' 56 | 5280.0 | 11a',
' 58 | 5300.0 | 11a', ' 60 | 5320.0 | 11a',
'100 | 5500.0 | 11a', '104 | 5520.0 | 11a',
'108 | 5540.0 | 11a', '112 | 5560.0 | 11a',
'116 | 5580.0 | 11a', '120 | 5600.0 | 11a',
'124 | 5620.0 | 11a', '128 | 5640.0 | 11a',
'132 | 5660.0 | 11a', '136 | 5680.0 | 11a',
'140 | 5700.0 | 11a', '149 | 5745.0 | 11a',
'153 | 5765.0 | 11a', '157 | 5785.0 | 11a',
'161 | 5805.0 | 11a', '165 | 5825.0 | 11a',
'172 | 5860.0 | 11p', '174 | 5870.0 | 11p',
'176 | 5880.0 | 11p', '178 | 5890.0 | 11p',
'180 | 5900.0 | 11p', '182 | 5910.0 | 11p',
'184 | 5920.0 | 11p'
],
)
self.Add(self._freq_chooser)
self.fft_vxx_0_0 = fft.fft_vcc(64, False, (tuple([1.0 / 64] * 64)),
True, 1)
self._encoding_chooser = forms.radio_buttons(
parent=self.GetWin(),
value=self.encoding,
callback=self.set_encoding,
label="Encoding",
choices=[0, 1, 2, 3, 4, 5, 6, 7],
labels=[
"BPSK 1/2", "BPSK 3/4", "QPSK 1/2", "QPSK 3/4", "16QAM 1/2",
"16QAM 3/4", "64QAM 2/3", "64QAM 3/4"
],
style=wx.RA_HORIZONTAL,
)
self.Add(self._encoding_chooser)
self.digital_ofdm_cyclic_prefixer_0_0 = digital.ofdm_cyclic_prefixer(
64, 64 + 16, 2, "")
(self.digital_ofdm_cyclic_prefixer_0_0).set_min_output_buffer(100000)
self.digital_ofdm_carrier_allocator_cvc_0_0_0 = digital.ofdm_carrier_allocator_cvc(
64, (range(-26, -21) + range(-20, -7) + range(-6, 0) +
range(1, 7) + range(8, 21) + range(22, 27), ),
((-21, -7, 7, 21), ),
((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), (-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), (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), (-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), (-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), (-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), (-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), (-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, 0.0, 0.0, 0.0, 0.0,
(1.4719601443879746 + 1.4719601443879746j), 0.0, 0.0, 0.0,
(-1.4719601443879746 - 1.4719601443879746j), 0.0, 0.0, 0.0,
(1.4719601443879746 + 1.4719601443879746j), 0.0, 0.0, 0.0,
(-1.4719601443879746 - 1.4719601443879746j), 0.0, 0.0, 0.0,
(-1.4719601443879746 - 1.4719601443879746j), 0.0, 0.0, 0.0,
(1.4719601443879746 +
1.4719601443879746j), 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0,
(-1.4719601443879746 - 1.4719601443879746j), 0.0, 0.0, 0.0,
(-1.4719601443879746 - 1.4719601443879746j), 0.0, 0.0, 0.0,
(1.4719601443879746 + 1.4719601443879746j), 0.0, 0.0, 0.0,
(1.4719601443879746 + 1.4719601443879746j), 0.0, 0.0, 0.0,
(1.4719601443879746 + 1.4719601443879746j), 0.0, 0.0, 0.0,
(1.4719601443879746 +
1.4719601443879746j), 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,
(1.4719601443879746 + 1.4719601443879746j), 0.0, 0.0, 0.0,
(-1.4719601443879746 - 1.4719601443879746j), 0.0, 0.0, 0.0,
(1.4719601443879746 + 1.4719601443879746j), 0.0, 0.0, 0.0,
(-1.4719601443879746 - 1.4719601443879746j), 0.0, 0.0, 0.0,
(-1.4719601443879746 - 1.4719601443879746j), 0.0, 0.0, 0.0,
(1.4719601443879746 +
1.4719601443879746j), 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0,
(-1.4719601443879746 - 1.4719601443879746j), 0.0, 0.0, 0.0,
(-1.4719601443879746 - 1.4719601443879746j), 0.0, 0.0, 0.0,
(1.4719601443879746 + 1.4719601443879746j), 0.0, 0.0, 0.0,
(1.4719601443879746 + 1.4719601443879746j), 0.0, 0.0, 0.0,
(1.4719601443879746 + 1.4719601443879746j), 0.0, 0.0, 0.0,
(1.4719601443879746 +
1.4719601443879746j), 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0),
(0, 0j, 0, 0j, 0, 0j, -1, 1j, -1, 1j, -1, 1j, -1, -1j, 1, 1j, 1,
-1j, -1, 1j, 1, 1j, 1, 1j, 1, 1j, -1,
(-0 - 1j), 1, -1j, -1, 1j, 0, -1j, 1,
(-0 - 1j), 1, -1j, 1, 1j, -1, -1j, 1, (-0 - 1j), -1, 1j, 1, 1j,
1, 1j, 1, 1j, -1, -1j, 1, 1j, 1, -1j, -1, 0j, 0, 0j, 0, 0j),
(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)), "packet_len")
(self.digital_ofdm_carrier_allocator_cvc_0_0_0
).set_min_output_buffer(10000)
self.blocks_vector_source_x_1 = blocks.vector_source_b([
ord(x) for x in tuple(
"0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789"
)
], False, 1, [])
self.blocks_packed_to_unpacked_xx_0 = blocks.packed_to_unpacked_bb(
1, gr.GR_LSB_FIRST)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((mult, ))
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_gr_complex * 1,
filename, False)
self.blocks_file_sink_0.set_unbuffered(True)
##################################################
# Connections
##################################################
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.swifi_sample_adder_0, 0))
self.connect((self.blocks_packed_to_unpacked_xx_0, 0),
(self.swifi_scrambler_0_0, 0))
self.connect((self.blocks_vector_source_x_1, 0),
(self.swifi_mac_frame_generator_0, 0))
self.connect((self.digital_ofdm_carrier_allocator_cvc_0_0_0, 0),
(self.fft_vxx_0_0, 0))
self.connect((self.digital_ofdm_cyclic_prefixer_0_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.fft_vxx_0_0, 0),
(self.digital_ofdm_cyclic_prefixer_0_0, 0))
self.connect((self.swifi_bit_packer_0_0, 0),
(self.swifi_chunks_to_symbols_0_0, 0))
self.connect((self.swifi_bit_stealer_0_0, 0),
(self.swifi_interleaver_0_0, 0))
self.connect((self.swifi_chunks_to_symbols_0_0, 0),
(self.digital_ofdm_carrier_allocator_cvc_0_0_0, 0))
self.connect((self.swifi_interleaver_0_0, 0),
(self.swifi_bit_packer_0_0, 0))
self.connect((self.swifi_mac_frame_generator_0, 0),
(self.swifi_phy_frame_generator_0, 0))
self.connect((self.swifi_phy_frame_generator_0, 0),
(self.blocks_packed_to_unpacked_xx_0, 0))
self.connect((self.swifi_sample_adder_0, 0),
(self.blocks_file_sink_0, 0))
self.connect((self.swifi_scrambler_0_0, 0),
(self.swifi_wifi_conv_encoder_0, 0))
self.connect((self.swifi_wifi_conv_encoder_0, 0),
(self.swifi_bit_stealer_0_0, 0))
def test_wo_tags_2s_rolloff_multiple_cps(self):
"Two CP lengths, 2-sample rolloff and no tags."
fft_len = 8
cp_lengths = (3, 2, 2)
rolloff = 2
expected_result = [
6.0 / 2,
7,
8,
1,
2,
3,
4,
5,
6,
7,
8, # 1
7.0 / 2 + 1.0 / 2,
8,
1,
2,
3,
4,
5,
6,
7,
8, # 2
7.0 / 2 + 1.0 / 2,
8,
1,
2,
3,
4,
5,
6,
7,
8, # 3
6.0 / 2 + 1.0 / 2,
7,
8,
1,
2,
3,
4,
5,
6,
7,
8, # 4
7.0 / 2 + 1.0 / 2,
8,
1,
2,
3,
4,
5,
6,
7,
8 # 5
]
src = blocks.vector_source_c(
list(range(1, fft_len + 1)) * 5, False, fft_len)
cp = digital.ofdm_cyclic_prefixer(fft_len, cp_lengths, rolloff)
sink = blocks.vector_sink_c()
self.tb.connect(src, cp, sink)
self.tb.run()
self.assertEqual(sink.data(), expected_result)
def __init__(self, center_freq, sbx_db_tx_gain, sbx_db_rx_gain, bb_ampl,
dir_filename1, dir_filename2):
gr.top_block.__init__(self)
##################################################
# Variables
##################################################
self.TxParams = TxParams = struct({
'NFFT': 2048,
'UsedSC': 1680,
'CPlen': 512,
'Ovx': 6,
'N': 5000,
'SampRate': 100e6 / 50.0,
'CenterFreq': center_freq
})
self.lo_offset = lo_offset = 3.0 * TxParams.SampRate
##################################################
# Blocks
##################################################
self.uhd_usrp_source_0 = uhd.usrp_source(
",".join(("addr=192.168.10.2", "")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_source_0.set_samp_rate(TxParams.SampRate)
self.uhd_usrp_source_0.set_center_freq(TxParams.CenterFreq, 0)
self.uhd_usrp_source_0.set_gain(sbx_db_rx_gain, 0)
self.uhd_usrp_sink_0 = uhd.usrp_sink(
",".join(("addr=192.168.10.2", "")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_sink_0.set_samp_rate(TxParams.SampRate)
self.uhd_usrp_sink_0.set_center_freq(
uhd.tune_request(TxParams.CenterFreq,
rf_freq=(TxParams.CenterFreq + lo_offset),
rf_freq_policy=uhd.tune_request.POLICY_MANUAL), 0)
self.uhd_usrp_sink_0.set_gain(sbx_db_tx_gain, 0)
self.logpwrfft_x_0 = logpwrfft.logpwrfft_c(
sample_rate=TxParams.SampRate,
fft_size=8192,
ref_scale=2,
frame_rate=30,
avg_alpha=1.0,
average=False,
)
self.dpd_Agilent_N1996A_0 = dpd.Agilent_N1996A('169.254.251.20',
TxParams.CenterFreq,
TxParams.SampRate,
5.1e3, 1001)
self.blocks_file_sink_1 = blocks.file_sink(gr.sizeof_float * 8192,
dir_filename2, False)
self.blocks_file_sink_1.set_unbuffered(False)
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char * 4096,
dir_filename1, False)
self.blocks_file_sink_0.set_unbuffered(False)
self.hier_dpd_elliptic_filter_0 = hier_dpd_elliptic_filter()
self.dpd_upsample_0 = dpd.upsample(ovx=TxParams.Ovx, )
self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer(
TxParams.NFFT, (TxParams.NFFT + TxParams.CPlen), 32, '')
self.blocks_multiply_const_vxx_1 = blocks.multiply_const_vcc(
(bb_ampl, ))
self.basic_qpskofdm_tx_withoutCP_0 = dpd.basic_qpskofdm_tx_withoutCP(
N=TxParams.N,
NFFT=TxParams.NFFT,
used_sc=TxParams.UsedSC,
syms_filename='/tmp/qpsk_syms.bin')
##################################################
# Connections
##################################################
self.connect((self.basic_qpskofdm_tx_withoutCP_0, 0),
(self.digital_ofdm_cyclic_prefixer_0, 0))
self.connect((self.blocks_multiply_const_vxx_1, 0),
(self.uhd_usrp_sink_0, 0))
self.connect((self.digital_ofdm_cyclic_prefixer_0, 0),
(self.dpd_upsample_0, 0))
self.connect((self.dpd_upsample_0, 0),
(self.hier_dpd_elliptic_filter_0, 0))
self.connect((self.hier_dpd_elliptic_filter_0, 0),
(self.blocks_multiply_const_vxx_1, 0))
self.connect((self.logpwrfft_x_0, 0), (self.blocks_file_sink_1, 0))
self.connect((self.dpd_Agilent_N1996A_0, 0),
(self.blocks_file_sink_0, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.logpwrfft_x_0, 0))
def main(args):
nargs = len(args)
if nargs == 1:
infile = args[0]
outfile = None
elif nargs == 2:
infile = args[0]
outfile = args[1]
else:
sys.stderr.write("Usage: dvbt-hackrf.py infile [output_file]\n");
sys.exit(1)
## Config Options
config = DVBTConfig('dvbt.conf')
# DVB-T Parameters
channel_mhz = config.get_channel_mhz()
mode = config.get_mode()
code_rate = config.get_code_rate()
constellation = config.get_constellation()
guard_interval = config.get_guard_interval()
# Hack-RF Parameters
center_freq = config.get_center_freq()
rf_gain = config.get_hackrf_rf_gain()
if_gain = config.get_hackrf_if_gain()
bb_gain = config.get_hackrf_bb_gain()
##
samp_rate = 10000000.0
if mode == dvbt.T2k:
factor = 1
carriers = 2048
elif mode == dvbt.T8k:
factor = 4
carriers = 8192
if guard_interval == dvbt.G1_32:
gi = carriers / 32
elif guard_interval == dvbt.G1_16:
gi = carriers / 16
elif guard_interval == dvbt.G1_8:
gi = carriers / 8
elif guard_interval == dvbt.G1_4:
gi = carriers / 4
if channel_mhz == 8:
bandwidth = 8750000
elif channel_mhz == 7:
bandwidth = 7000000
elif channel_mhz == 6:
bandwidth = 6000000
elif channel_mhz == 5:
bandwidth = 5000000
else:
bandwidth = 8750000
log=gr.logger("dvbt-hackrf")
log.set_level("DEBUG");
log.debug("logger initilized")
tb = gr.top_block()
log.debug("top block initialized")
src = blocks.file_source(gr.sizeof_char, infile, True)
log.debug("source block initialized")
dvbt_energy_dispersal = dvbt.energy_dispersal(1 * factor)
dvbt_reed_solomon_enc = dvbt.reed_solomon_enc(2, 8, 0x11d, 255, 239, 8, 51, (8 * factor))
dvbt_convolutional_interleaver = dvbt.convolutional_interleaver((136 * factor), 12, 17)
dvbt_inner_coder = dvbt.inner_coder(1, (1512 * factor), constellation, dvbt.NH, code_rate)
dvbt_bit_inner_interleaver = dvbt.bit_inner_interleaver((1512 * factor), constellation, dvbt.NH, mode)
dvbt_symbol_inner_interleaver = dvbt.symbol_inner_interleaver((1512 * factor), mode, 1)
dvbt_dvbt_map = dvbt.dvbt_map((1512 * factor), constellation, dvbt.NH, mode, 1)
dvbt_reference_signals = dvbt.reference_signals(gr.sizeof_gr_complex, (1512 * factor), carriers, constellation, dvbt.NH, code_rate, code_rate, dvbt.G1_32, mode, 0, 0)
fft_vxx = fft.fft_vcc(carriers, False, (window.rectangular(carriers)), True, 10)
digital_ofdm_cyclic_prefixer = digital.ofdm_cyclic_prefixer(carriers, carriers+(gi), 0, "")
rational_resampler_xxx = filter.rational_resampler_ccc(interpolation=70, decimation=64, taps=None, fractional_bw=None)
blocks_multiply_const_vxx = blocks.multiply_const_vcc((0.0022097087, ))
log.debug("DVB-T blocks initialized")
out = osmosdr.sink(args="numchan=1")
out.set_sample_rate(samp_rate)
out.set_center_freq(center_freq, 0)
out.set_freq_corr(0, 0)
out.set_gain(rf_gain, 0)
out.set_if_gain(if_gain, 0)
out.set_bb_gain(bb_gain, 0)
out.set_antenna("", 0)
out.set_bandwidth(0, 0)
log.debug("Output block initialized")
tb.connect(src, dvbt_energy_dispersal)
tb.connect(dvbt_energy_dispersal, dvbt_reed_solomon_enc)
tb.connect(dvbt_reed_solomon_enc, dvbt_convolutional_interleaver)
tb.connect(dvbt_convolutional_interleaver, dvbt_inner_coder)
tb.connect(dvbt_inner_coder, dvbt_bit_inner_interleaver)
tb.connect(dvbt_bit_inner_interleaver, dvbt_symbol_inner_interleaver)
tb.connect(dvbt_symbol_inner_interleaver, dvbt_dvbt_map)
tb.connect(dvbt_dvbt_map, dvbt_reference_signals)
tb.connect(dvbt_reference_signals, fft_vxx)
tb.connect(fft_vxx, digital_ofdm_cyclic_prefixer)
tb.connect(digital_ofdm_cyclic_prefixer, blocks_multiply_const_vxx)
tb.connect(blocks_multiply_const_vxx, rational_resampler_xxx)
tb.connect(rational_resampler_xxx, out)
log.debug("all blocks connected")
if outfile:
dst = blocks.file_sink(gr.sizeof_gr_complex, outfile)
tb.connect(blocks_multiply_const_vxx, dst)
log.debug("running gnuradio")
tb.run()
def __init__(self):
gr.top_block.__init__(self, "Dvbt Tx")
##################################################
# Variables
##################################################
self._bandwidth_config = ConfigParser.ConfigParser()
self._bandwidth_config.read('./dvbt.conf')
try:
bandwidth = self._bandwidth_config.getint('dvbt', 'bandwidth')
except:
bandwidth = 8000000
self.bandwidth = bandwidth
self.samp_rate = samp_rate = (bandwidth / 7) * 8
self._rf_gain_config = ConfigParser.ConfigParser()
self._rf_gain_config.read('./dvbt.conf')
try:
rf_gain = self._rf_gain_config.getint('hackrf', 'rf_gain')
except:
rf_gain = 0
self.rf_gain = rf_gain
self._mode_config = ConfigParser.ConfigParser()
self._mode_config.read('./dvbt.conf')
try:
mode = self._mode_config.get('dvbt', 'mode')
except:
mode = 0
self.mode = mode
self._if_gain_config = ConfigParser.ConfigParser()
self._if_gain_config.read('./dvbt.conf')
try:
if_gain = self._if_gain_config.getint('hackrf', 'if_gain')
except:
if_gain = 0
self.if_gain = if_gain
self._guard_interval_config = ConfigParser.ConfigParser()
self._guard_interval_config.read('./dvbt.conf')
try:
guard_interval = self._guard_interval_config.get(
'dvbt', 'guard_interval')
except:
guard_interval = 0
self.guard_interval = guard_interval
self._frequency_config = ConfigParser.ConfigParser()
self._frequency_config.read('./dvbt.conf')
try:
frequency = self._frequency_config.getint('hackrf', 'frequency')
except:
frequency = 858000000
self.frequency = frequency
self._constellation_config = ConfigParser.ConfigParser()
self._constellation_config.read('./dvbt.conf')
try:
constellation = self._constellation_config.get(
'dvbt', 'constellation')
except:
constellation = 0
self.constellation = constellation
self._coderate_config = ConfigParser.ConfigParser()
self._coderate_config.read('./dvbt.conf')
try:
coderate = self._coderate_config.get('dvbt', 'coderate')
except:
coderate = 0
self.coderate = coderate
infile = str(sys.argv[1])
#Constellation QPSK 16QAM 64QAM
if constellation == "QPSK":
const = dtv.MOD_QPSK
elif constellation == "16QAM":
const = dtv.MOD_16QAM
elif constellation == "64QAM":
const = dtv.MOD_64QAM
else:
sys.stderr.write(
"CONSTELLATION IN CONFIG WRONG! Values: QPSK, 16QAM or 64QAM \n"
)
sys.exit(1)
# Coderate 1/2 2/3 3/4 5/6 7/8
if coderate == "1/2":
codr = dtv.C1_2
elif coderate == "2/3":
codr = dtv.C2_3
elif coderate == "3/4":
codr = dtv.C3_4
elif coderate == "5/6":
codr = dtv.C5_6
elif coderate == "7/8":
codr = dtv.C7_8
else:
sys.stderr.write(
"CODERATE IN CONFIG WRONG! Values: 1/2, 2/3, 3/4, 5/6 or 7/8 \n"
)
sys.exit(1)
if mode == "2k":
factor = 1
carriers = 2048
modus = dtv.T2k
elif mode == "8k":
factor = 4
carriers = 8192
modus = dtv.T8k
else:
sys.stderr.write("MODE IN CONFIG WRONG! Values: 2k or 8k \n")
sys.exit(1)
#guard_interval dtv.GI_1_32 1/4 1/8 1/16 1/32
if guard_interval == "1/4":
guardi = dtv.GI_1_4
gi = carriers / 4
elif guard_interval == "1/8":
guardi = dtv.GI_1_8
gi = carriers / 8
elif guard_interval == "1/16":
guardi = dtv.GI_1_16
gi = carriers / 16
elif guard_interval == "1/32":
guardi = dtv.GI_1_32
gi = carriers / 32
else:
sys.stderr.write(
"GUARD_INTERVAL IN CONFIG WRONG! Values: 1/4, 1/8, 1/16 or 1/32 \n"
)
sys.exit(1)
##################################################
# Blocks
##################################################
self.osmosdr_sink_0 = osmosdr.sink(args="numchan=" + str(1) + " " + '')
self.osmosdr_sink_0.set_sample_rate(samp_rate)
self.osmosdr_sink_0.set_center_freq(frequency, 0)
self.osmosdr_sink_0.set_freq_corr(0, 0)
self.osmosdr_sink_0.set_gain(rf_gain, 0)
self.osmosdr_sink_0.set_if_gain(if_gain, 0)
self.osmosdr_sink_0.set_bb_gain(0, 0)
self.osmosdr_sink_0.set_antenna('', 0)
self.osmosdr_sink_0.set_bandwidth(0, 0)
self.fft_vxx_0 = fft.fft_vcc(carriers, False,
(window.rectangular(carriers)), True, 1)
self.dtv_dvbt_symbol_inner_interleaver_0 = dtv.dvbt_symbol_inner_interleaver(
(1512 * factor), modus, 1)
self.dtv_dvbt_reference_signals_0 = dtv.dvbt_reference_signals(
gr.sizeof_gr_complex, (1512 * factor), carriers, const, dtv.NH,
codr, codr, guardi, modus, 1, 0)
self.dtv_dvbt_reed_solomon_enc_0 = dtv.dvbt_reed_solomon_enc(
2, 8, 0x11d, 255, 239, 8, 51, (8 * factor))
self.dtv_dvbt_map_0 = dtv.dvbt_map((1512 * factor), const, dtv.NH,
modus, 1)
self.dtv_dvbt_inner_coder_0 = dtv.dvbt_inner_coder(
1, (1512 * factor), const, dtv.NH, codr)
self.dtv_dvbt_energy_dispersal_0 = dtv.dvbt_energy_dispersal(1 *
factor)
self.dtv_dvbt_convolutional_interleaver_0 = dtv.dvbt_convolutional_interleaver(
(136 * factor), 12, 17)
self.dtv_dvbt_bit_inner_interleaver_0 = dtv.dvbt_bit_inner_interleaver(
(1512 * factor), const, dtv.NH, modus)
self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer(
carriers, carriers + (gi), 0, '')
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc(
(0.0022097087, ))
if infile == "-":
self.blocks_file_descriptor_source_0 = blocks.file_descriptor_source(
gr.sizeof_char * 1, 0, True)
else:
self.blocks_file_source_0 = blocks.file_source(
gr.sizeof_char * 1, infile, True)
##################################################
# Connections
##################################################
if infile == "-":
self.connect((self.blocks_file_descriptor_source_0, 0),
(self.dtv_dvbt_energy_dispersal_0, 0))
else:
self.connect((self.blocks_file_source_0, 0),
(self.dtv_dvbt_energy_dispersal_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.osmosdr_sink_0, 0))
self.connect((self.digital_ofdm_cyclic_prefixer_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.dtv_dvbt_bit_inner_interleaver_0, 0),
(self.dtv_dvbt_symbol_inner_interleaver_0, 0))
self.connect((self.dtv_dvbt_convolutional_interleaver_0, 0),
(self.dtv_dvbt_inner_coder_0, 0))
self.connect((self.dtv_dvbt_energy_dispersal_0, 0),
(self.dtv_dvbt_reed_solomon_enc_0, 0))
self.connect((self.dtv_dvbt_inner_coder_0, 0),
(self.dtv_dvbt_bit_inner_interleaver_0, 0))
self.connect((self.dtv_dvbt_map_0, 0),
(self.dtv_dvbt_reference_signals_0, 0))
self.connect((self.dtv_dvbt_reed_solomon_enc_0, 0),
(self.dtv_dvbt_convolutional_interleaver_0, 0))
self.connect((self.dtv_dvbt_reference_signals_0, 0),
(self.fft_vxx_0, 0))
self.connect((self.dtv_dvbt_symbol_inner_interleaver_0, 0),
(self.dtv_dvbt_map_0, 0))
self.connect((self.fft_vxx_0, 0),
(self.digital_ofdm_cyclic_prefixer_0, 0))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Top Block")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 32000
##################################################
# Blocks
##################################################
self.wxgui_scopesink2_0 = scopesink2.scope_sink_c(
self.GetWin(),
title="Scope Plot",
sample_rate=samp_rate,
v_scale=0,
v_offset=0,
t_scale=0,
ac_couple=False,
xy_mode=True,
num_inputs=1,
trig_mode=wxgui.TRIG_MODE_AUTO,
y_axis_label="Counts",
)
self.Add(self.wxgui_scopesink2_0.win)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.GetWin(),
baseband_freq=1200e6,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=10e6,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title="FFT Plot",
peak_hold=False,
)
self.Add(self.wxgui_fftsink2_0.win)
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=70,
decimation=64,
taps=None,
fractional_bw=None,
)
self.fft_vxx_0 = fft.fft_vcc(2048, False, (window.rectangular(2048)), True, 10)
self.dvbt_symbol_inner_interleaver_0 = dvbt.symbol_inner_interleaver(1512, dvbt.T2k, 1)
self.dvbt_reference_signals_0 = dvbt.reference_signals(gr.sizeof_gr_complex, 1512, 2048, dvbt.QAM16, dvbt.NH, dvbt.C1_2, dvbt.C1_2, dvbt.G1_32, dvbt.T2k, 0, 0)
self.dvbt_reed_solomon_enc_0 = dvbt.reed_solomon_enc(2, 8, 0x11d, 255, 239, 8, 51, 8)
self.dvbt_inner_coder_0 = dvbt.inner_coder(1, 1512, dvbt.QAM16, dvbt.NH, dvbt.C1_2)
self.dvbt_energy_dispersal_0 = dvbt.energy_dispersal(1)
self.dvbt_dvbt_map_0 = dvbt.dvbt_map(1512, dvbt.QAM16, dvbt.NH, dvbt.T2k, 1)
self.dvbt_convolutional_interleaver_0 = dvbt.convolutional_interleaver(136, 12, 17)
self.dvbt_bit_inner_interleaver_0 = dvbt.bit_inner_interleaver(1512, dvbt.QAM16, dvbt.NH, dvbt.T2k)
self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer(2048, 2048+64, 0, "")
self.blocks_vector_to_stream_0 = blocks.vector_to_stream(gr.sizeof_gr_complex*1, 2048)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((0.0022097087, ))
self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, "test.ts", True)
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_gr_complex*1, "testBB.bin", False)
self.blocks_file_sink_0.set_unbuffered(False)
##################################################
# Connections
##################################################
self.connect((self.blocks_file_source_0, 0), (self.dvbt_energy_dispersal_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.rational_resampler_xxx_0, 0))
self.connect((self.blocks_vector_to_stream_0, 0), (self.wxgui_scopesink2_0, 0))
self.connect((self.digital_ofdm_cyclic_prefixer_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.dvbt_bit_inner_interleaver_0, 0), (self.dvbt_symbol_inner_interleaver_0, 0))
self.connect((self.dvbt_convolutional_interleaver_0, 0), (self.dvbt_inner_coder_0, 0))
self.connect((self.dvbt_dvbt_map_0, 0), (self.dvbt_reference_signals_0, 0))
self.connect((self.dvbt_energy_dispersal_0, 0), (self.dvbt_reed_solomon_enc_0, 0))
self.connect((self.dvbt_inner_coder_0, 0), (self.dvbt_bit_inner_interleaver_0, 0))
self.connect((self.dvbt_reed_solomon_enc_0, 0), (self.dvbt_convolutional_interleaver_0, 0))
self.connect((self.dvbt_reference_signals_0, 0), (self.blocks_vector_to_stream_0, 0))
self.connect((self.dvbt_reference_signals_0, 0), (self.fft_vxx_0, 0))
self.connect((self.dvbt_symbol_inner_interleaver_0, 0), (self.dvbt_dvbt_map_0, 0))
self.connect((self.fft_vxx_0, 0), (self.digital_ofdm_cyclic_prefixer_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.blocks_file_sink_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.wxgui_fftsink2_0, 0))
def test_wo_tags_no_rolloff_multiple_cps(self):
"Two CP lengths, no rolloff and no tags."
fft_len = 8
cp_lengths = (3, 2, 2)
expected_result = [
5,
6,
7,
0,
1,
2,
3,
4,
5,
6,
7, # 1
6,
7,
0,
1,
2,
3,
4,
5,
6,
7, # 2
6,
7,
0,
1,
2,
3,
4,
5,
6,
7, # 3
5,
6,
7,
0,
1,
2,
3,
4,
5,
6,
7, # 4
6,
7,
0,
1,
2,
3,
4,
5,
6,
7, # 5
]
src = blocks.vector_source_c(list(range(fft_len)) * 5, False, fft_len)
cp = digital.ofdm_cyclic_prefixer(fft_len, cp_lengths)
sink = blocks.vector_sink_c()
self.tb.connect(src, cp, sink)
self.tb.run()
self.assertEqual(sink.data(), expected_result)
def main(args):
d = 'Transmit a DVB-T signal using the bladeRF and gr-dtv'
parser = argparse.ArgumentParser()
mode_help = '# of carriers. Options: t2k, t8k (default).'
parser.add_argument('-m',
'--mode',
dest='mode',
default='t8k',
type=str,
help=mode_help)
ch_help = 'channel width in MHz. Options: 5, 6, 7, 8 (default).'
parser.add_argument('-c',
'--channel',
dest='channel',
default=8,
metavar='CH',
type=int,
help=ch_help)
const_help = 'constellation. qpsk, qam16, qam64 (default).'
parser.add_argument('-C',
'--cons',
dest='cons',
default='qam64',
metavar='TYPE',
type=str,
help=const_help)
rate_help = 'Viterbi rate. 1/2, 2/3, 3/4, 5/6, 7/8 (default).'
parser.add_argument('-r',
'--rate',
dest='rate',
default='7/8',
type=str,
help=rate_help)
guard_help = 'guard interval. 1/32 (default), 1/16, 1/8, 1/4.'
parser.add_argument('-g',
'--guard',
dest='interval',
default='1/32',
metavar='D',
type=str,
help=guard_help)
freq_help = 'center frequency (Hz). Default is 429e6.'
parser.add_argument('-f',
'--freq',
dest='freq',
default=429e6,
type=float,
help=freq_help)
vga1_help = 'bladeRF TXVGA1 gain. Default is -6.'
parser.add_argument('--txvga1',
dest='txvga1',
default=-6,
metavar='gain',
type=int,
help=vga1_help)
vga2_help = 'bladeRF TXVGA2 gain. Default is 9.'
parser.add_argument('--txvga2',
dest='txvga2',
default=9,
metavar='gain',
type=int,
help=vga2_help)
outfile_help = 'write to specified file.'
parser.add_argument('-o',
'--output',
dest='outfile',
default=None,
metavar='OUT',
type=str,
help=outfile_help)
parser.add_argument('infile',
metavar='input-file',
type=str,
help='Input file')
args = parser.parse_args()
print args
if args.mode.lower() == 't2k':
mode = dtv.T2k
elif args.mode.lower() == 't8k':
mode = dtv.T8k
else:
sys.stderr.write('Invalid mode provided: ' + args.mode + '\n')
sys.exit(1)
if args.channel < 5 or args.channel > 8:
sys.stderr.write('Invalid channel: ' + str(args.channel) + '\n')
sys.exit(1)
else:
channel_mhz = args.channel
if args.cons.lower() == 'qpsk':
constellation = dtv.MOD_QPSK
elif args.cons.lower() == 'qam16':
constellation = dtv.MOD_16QAM
elif args.cons.lower() == 'qam64':
constellation = dtv.MOD_64QAM
else:
sys.stderr.write('Invalid constellation type: ' + args.cons + '\n')
sys.exit(1)
if args.rate == '1/2':
code_rate = dtv.C1_2
elif args.rate == '2/3':
code_rate = dtv.C2_3
elif args.rate == '3/4':
code_rate = dtv.C3_4
elif args.rate == '5/6':
code_rate = dtv.C5_6
elif args.rate == '7/8':
code_rate = dtv.C7_8
else:
sys.stderr.write('Invalid Viterbi rate: ' + args.rate + '\n')
sys.exit(1)
if args.interval == '1/32':
guard_interval = dtv.GI_1_32
elif args.interval == '1/16':
guard_interval = dtv.GI_1_16
elif args.interval == '1/8':
guard_interval = dtv.GI_1_8
elif args.interval == '1/4':
guard_interval = dtv.GI_1_4
else:
sys.stderr.write('Invalid guard interval: ' + args.interval + '\n')
sys.exit(1)
if args.freq < 300e6 or args.freq > 3.8e9:
sys.stderr.write('Invalid center frequency: ' + str(args.freq) + '\n')
sys.exit(1)
else:
center_freq = int(args.freq)
if args.txvga1 < -35 or args.txvga1 > -4:
sys.stderr.write('Invalid bladeRF TXVGA1 gain: ' + str(args.txvga1) +
'\n')
sys.exit(1)
else:
txvga1_gain = args.txvga1
if args.txvga2 < 0 or args.txvga2 > 25:
sys.stderr.write('Invalid bladeRF TXVGA2 gain: ' + str(args.txvga2) +
'\n')
sys.exit(1)
else:
txvga2_gain = args.txvga2
infile = args.infile
outfile = args.outfile
symbol_rate = channel_mhz * 8000000.0 / 7
if mode == dtv.T2k:
factor = 1
carriers = 2048
elif mode == dtv.T8k:
factor = 4
carriers = 8192
if guard_interval == dtv.GI_1_32:
gi = carriers / 32
elif guard_interval == dtv.GI_1_16:
gi = carriers / 16
elif guard_interval == dtv.GI_1_8:
gi = carriers / 8
elif guard_interval == dtv.GI_1_4:
gi = carriers / 4
if channel_mhz == 8:
bandwidth = 8750000
elif channel_mhz == 7:
bandwidth = 7000000
elif channel_mhz == 6:
bandwidth = 6000000
elif channel_mhz == 5:
bandwidth = 5000000
else:
bandwidth = 8750000
tb = gr.top_block()
src = blocks.file_source(gr.sizeof_char, infile, True)
dtv_dvbt_energy_dispersal = dtv.dvbt_energy_dispersal(1 * factor)
dtv_dvbt_reed_solomon_enc = dtv.dvbt_reed_solomon_enc(
2, 8, 0x11d, 255, 239, 8, 51, (8 * factor))
dtv_dvbt_convolutional_interleaver = dtv.dvbt_convolutional_interleaver(
(136 * factor), 12, 17)
dtv_dvbt_inner_coder = dtv.dvbt_inner_coder(1, (1512 * factor),
constellation, dtv.NH,
code_rate)
dtv_dvbt_bit_inner_interleaver = dtv.dvbt_bit_inner_interleaver(
(1512 * factor), constellation, dtv.NH, mode)
dtv_dvbt_symbol_inner_interleaver = dtv.dvbt_symbol_inner_interleaver(
(1512 * factor), mode, 1)
dtv_dvbt_map = dtv.dvbt_map((1512 * factor), constellation, dtv.NH, mode,
1)
dtv_dvbt_reference_signals = dtv.dvbt_reference_signals(
gr.sizeof_gr_complex, (1512 * factor), carriers, constellation, dtv.NH,
code_rate, code_rate, guard_interval, mode, 0, 0)
fft_vxx = fft.fft_vcc(carriers, False, (window.rectangular(carriers)),
True, 10)
digital_ofdm_cyclic_prefixer = digital.ofdm_cyclic_prefixer(
carriers, carriers + (gi), 0, "")
blocks_multiply_const_vxx = blocks.multiply_const_vcc((0.0022097087, ))
out = osmosdr.sink(args="bladerf=0,buffers=128,buflen=32768")
out.set_sample_rate(symbol_rate)
out.set_center_freq(center_freq, 0)
out.set_freq_corr(0, 0)
out.set_gain(txvga2_gain, 0)
out.set_bb_gain(txvga1_gain, 0)
out.set_bandwidth(bandwidth, 0)
tb.connect(src, dtv_dvbt_energy_dispersal)
tb.connect(dtv_dvbt_energy_dispersal, dtv_dvbt_reed_solomon_enc)
tb.connect(dtv_dvbt_reed_solomon_enc, dtv_dvbt_convolutional_interleaver)
tb.connect(dtv_dvbt_convolutional_interleaver, dtv_dvbt_inner_coder)
tb.connect(dtv_dvbt_inner_coder, dtv_dvbt_bit_inner_interleaver)
tb.connect(dtv_dvbt_bit_inner_interleaver,
dtv_dvbt_symbol_inner_interleaver)
tb.connect(dtv_dvbt_symbol_inner_interleaver, dtv_dvbt_map)
tb.connect(dtv_dvbt_map, dtv_dvbt_reference_signals)
tb.connect(dtv_dvbt_reference_signals, fft_vxx)
tb.connect(fft_vxx, digital_ofdm_cyclic_prefixer)
tb.connect(digital_ofdm_cyclic_prefixer, blocks_multiply_const_vxx)
tb.connect(blocks_multiply_const_vxx, out)
if outfile:
dst = blocks.file_sink(gr.sizeof_gr_complex, outfile)
tb.connect(blocks_multiply_const_vxx, dst)
tb.run()
def __init__(self,DRMParameters):
gr.top_block.__init__(self, "DRM Transmitter 1")
##################################################
# Variables
##################################################
self.text_message = text_message = DRMParameters.text_msg
self.station_label = station_label = DRMParameters.station_label
self.msc_prot_level_2 = msc_prot_level_2 = 1
self.long_interl = long_interl = True
self.audio_sample_rate = audio_sample_rate = DRMParameters.audio_samp*1000
self.SO = SO = DRMParameters.so
self.RM = RM = DRMParameters.rm
self.tp = tp = drm.transm_params(RM, SO, False, 0, False, DRMParameters.msc_mod, 0, msc_prot_level_2, DRMParameters.sdc_mod, 0, long_interl, audio_sample_rate, station_label, text_message)
self.samp_rate = samp_rate = 48e3
self.usrp_addr = DRMParameters.usrp_id
self.output_name = DRMParameters.output_name
self.center_freq = DRMParameters.center_freq*1e6
self.audio_file = DRMParameters.audio_file
##################################################
# Blocks
##################################################
if DRMParameters.uhd_found:
self.uhd_usrp_sink_0 = uhd.usrp_sink(
",".join((self.usrp_addr, "")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_sink_0.set_samp_rate(samp_rate * 250 / 48)
self.uhd_usrp_sink_0.set_center_freq(self.center_freq, 0)
self.uhd_usrp_sink_0.set_gain(0, 0)
self.uhd_usrp_sink_0.set_antenna("TXA", 0)
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=250,
decimation=48,
taps=None,
fractional_bw=None,
)
self.fft_vxx_0 = fft.fft_vcc(tp.ofdm().nfft(), False, (), True, 1)
self.drm_scrambler_bb_0_1 = drm.scrambler_bb(tp.sdc().L())
self.drm_scrambler_bb_0_0 = drm.scrambler_bb(tp.fac().L())
self.drm_scrambler_bb_0 = drm.scrambler_bb(tp.msc().L_MUX())
self.drm_mlc_4qam_bc_0_0 = drm_mlc_4qam_bc(
bits_per_symbol=tp.fac().mod_order(),
denom_mother_code_rate=drm.DENOM_MOTHER_CODE,
gen_poly=(91, 121, 101, 91, 121, 101),
interl_seq=tp.fac().bit_interl_seq_0_2(),
map_tab=tp.cfg().ptables().d_QAM4,
n_tailbits=drm.N_TAILBITS / drm.DENOM_MOTHER_CODE,
pp=tp.fac().punct_pat_0(),
pp_tail=tp.fac().punct_pat_0(),
vlen_in=tp.fac().L(),
vlen_out=tp.fac().N(),
)
#SDC Configuration
if DRMParameters.sdc_mod == 0:
self.drm_mlc_sdc_bc= drm_mlc_16qam_bc(
vlen_in=tp.sdc().L(),
vlen_out=tp.sdc().N(),
n_tailbits=drm.N_TAILBITS / drm.DENOM_MOTHER_CODE,
denom_mother_code_rate=drm.DENOM_MOTHER_CODE,
gen_poly=(91, 121, 101, 91, 121, 101),
bits_per_symbol=tp.sdc().mod_order(),
map_tab=tp.cfg().ptables().d_QAM16,
pp_0=tp.sdc().punct_pat_0(),
interl_seq_0_2=tp.sdc().bit_interl_seq_0_2(),
interl_seq_1_2=tp.sdc().bit_interl_seq_1_2(),
pp_1_tail=tp.sdc().punct_pat_tail_1(),
pp_1=tp.sdc().punct_pat_1(),
pp_0_tail=tp.sdc().punct_pat_tail_0(),
M_total=tp.sdc().M_total(),
part_len_top=tp.sdc().M_total()[0],
part_len_bot=tp.sdc().M_total()[1],
)
else:
self.drm_mlc_sdc_bc = drm_mlc_4qam_bc(
vlen_in=tp.sdc().L(),
vlen_out=tp.sdc().N(),
n_tailbits=drm.N_TAILBITS / drm.DENOM_MOTHER_CODE,
denom_mother_code_rate=drm.DENOM_MOTHER_CODE,
map_tab=tp.cfg().ptables().d_QAM4,
interl_seq=tp.sdc().bit_interl_seq_0_2(),
bits_per_symbol=tp.sdc().mod_order(),
pp=tp.sdc().punct_pat_0(),
pp_tail=tp.sdc().punct_pat_tail_0(),
gen_poly=(91, 121, 101, 91, 121, 101),
)
#MSC Configuration
if DRMParameters.msc_mod == 2:
self.drm_mlc_msc_bc = drm_mlc_64qam_sm_bc(
vlen_in=tp.msc().L_MUX(),
n_tailbits=drm.N_TAILBITS / drm.DENOM_MOTHER_CODE,
denom_mother_code_rate=drm.DENOM_MOTHER_CODE,
gen_poly=(91, 121, 101, 91, 121, 101),
vlen_out=tp.msc().N_MUX(),
bits_per_symbol=tp.msc().mod_order(),
map_tab=tp.cfg().ptables().d_QAM64SM,
pp_0=tp.msc().punct_pat_0_2(),
pp_0_tail=tp.msc().punct_pat_tail_0_2(),
pp_1=tp.msc().punct_pat_1_2(),
pp_1_tail=tp.msc().punct_pat_tail_1_2(),
pp_2=tp.msc().punct_pat_2_2(),
pp_2_tail=tp.msc().punct_pat_tail_2_2(),
interl_seq_0_2=tp.msc().bit_interl_seq_0_2(),
interl_seq_2_2=tp.msc().bit_interl_seq_2_2(),
interl_seq_1_2=tp.msc().bit_interl_seq_1_2(),
M_total=tp.msc().M_total(),
part_len_bot=tp.msc().M_total()[2],
part_len_top=tp.msc().M_total()[0],
part_len_mid=tp.msc().M_total()[1],
)
else:
self.drm_mlc_msc_bc = drm_mlc_16qam_bc(
vlen_in=tp.msc().L_MUX(),
vlen_out=tp.msc().N_MUX(),
n_tailbits=drm.N_TAILBITS / drm.DENOM_MOTHER_CODE,
denom_mother_code_rate=drm.DENOM_MOTHER_CODE,
gen_poly=(91, 121, 101, 91, 121, 101),
bits_per_symbol=tp.msc().mod_order(),
map_tab=tp.cfg().ptables().d_QAM16,
pp_0=tp.msc().punct_pat_0_2(),
interl_seq_0_2=tp.msc().bit_interl_seq_0_2(),
interl_seq_1_2=tp.msc().bit_interl_seq_1_2(),
pp_1_tail=tp.msc().punct_pat_tail_1_2(),
pp_1=tp.msc().punct_pat_1_2(),
pp_0_tail=tp.msc().punct_pat_tail_0_2(),
M_total=tp.msc().M_total(),
part_len_top=tp.msc().M_total()[0],
part_len_bot=tp.msc().M_total()[1],
)
self.drm_interleaver_cc_0 = drm.interleaver_cc((tp.msc().cell_interl_seq()), long_interl, drm.INTL_DEPTH_DRM)
self.drm_generate_sdc_b_0 = drm.generate_sdc_b(tp)
self.drm_generate_fac_b_0 = drm.generate_fac_b(tp)
self.drm_audio_encoder_sb_0 = drm.audio_encoder_sb(tp)
self.digital_ofdm_cyclic_prefixer_1 = digital.ofdm_cyclic_prefixer(tp.ofdm().nfft(), tp.ofdm().nfft()+tp.ofdm().nfft()/4, 0, "")
self.cell_mapping_cc_0 = drm.cell_mapping_cc(tp, (tp.msc().N_MUX() * tp.ofdm().M_TF() * 8, tp.sdc().N() * 8, tp.fac().N() * tp.ofdm().M_TF() * 8))
self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_float*1)
if DRMParameters.pulse_audio:
self.audio_source_1 = audio.source(audio_sample_rate, "", True)
else:
self.blocks_wavfile_source_0 = blocks.wavfile_source(self.audio_file, False)
if DRMParameters.gen_output:
self.blocks_wavfile_sink_0 = blocks.wavfile_sink(self.output_name, 1, 48000, 16)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_multiply_const_vxx_1 = blocks.multiply_const_vcc((7e-3, ))
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((32768, ))
self.blocks_complex_to_real_0 = blocks.complex_to_real(1)
self.analog_sig_source_x_0 = analog.sig_source_c(samp_rate, analog.GR_COS_WAVE, 7000, 1, 0)
##################################################
# Connections
##################################################
self.connect((self.analog_sig_source_x_0, 0), (self.blocks_multiply_xx_0, 1))
if DRMParameters.gen_output:
self.connect((self.blocks_complex_to_real_0, 0), (self.blocks_wavfile_sink_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.drm_audio_encoder_sb_0, 0))
self.connect((self.blocks_multiply_const_vxx_1, 0), (self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_multiply_xx_0, 0), (self.blocks_complex_to_real_0, 0))
if DRMParameters.pulse_audio:
self.connect((self.audio_source_1, 0), (self.blocks_multiply_const_vxx_0, 0))
else:
self.connect((self.blocks_wavfile_source_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.cell_mapping_cc_0, 0), (self.fft_vxx_0, 0))
self.connect((self.digital_ofdm_cyclic_prefixer_1, 0), (self.blocks_multiply_const_vxx_1, 0))
self.connect((self.drm_audio_encoder_sb_0, 0), (self.drm_scrambler_bb_0, 0))
self.connect((self.drm_generate_fac_b_0, 0), (self.drm_scrambler_bb_0_0, 0))
self.connect((self.drm_generate_sdc_b_0, 0), (self.drm_scrambler_bb_0_1, 0))
self.connect((self.drm_interleaver_cc_0, 0), (self.cell_mapping_cc_0, 0))
self.connect((self.drm_mlc_msc_bc, 0), (self.drm_interleaver_cc_0, 0))
self.connect((self.drm_mlc_sdc_bc, 0), (self.cell_mapping_cc_0, 1))
self.connect((self.drm_mlc_4qam_bc_0_0, 0), (self.cell_mapping_cc_0, 2))
self.connect((self.drm_scrambler_bb_0, 0), (self.drm_mlc_msc_bc, 0))
self.connect((self.drm_scrambler_bb_0_0, 0), (self.drm_mlc_4qam_bc_0_0, 0))
self.connect((self.drm_scrambler_bb_0_1, 0), (self.drm_mlc_sdc_bc, 0))
self.connect((self.fft_vxx_0, 0), (self.digital_ofdm_cyclic_prefixer_1, 0))
if DRMParameters.uhd_found:
self.connect((self.rational_resampler_xxx_0, 0), (self.uhd_usrp_sink_0, 0))
self.connect((self.blocks_multiply_const_vxx_1, 0), (self.rational_resampler_xxx_0, 0))
self.connect((self.blocks_complex_to_real_0, 0), (self.blocks_null_sink_0, 0))
def test_000(self):
infile = ts_in_file
outfile = "vv.cfile"
testfile = complex_out_file
file_source = blocks.file_source(gr.sizeof_char*1, infile, False, 0, 0)
file_source.set_begin_tag(pmt.PMT_NIL)
bbheader = dtv.dvb_bbheader_bb(
dtv.STANDARD_DVBT2,
dtv.FECFRAME_NORMAL,
dtv.C2_3,
dtv.RO_0_35,
dtv.INPUTMODE_NORMAL,
dtv.INBAND_OFF,
168,
4000000)
bbscrambler = dtv.dvb_bbscrambler_bb(
dtv.STANDARD_DVBT2,
dtv.FECFRAME_NORMAL,
dtv.C2_3)
bch = dtv.dvb_bch_bb(
dtv.STANDARD_DVBT2,
dtv.FECFRAME_NORMAL,
dtv.C2_3)
ldpc = dtv.dvb_ldpc_bb(
dtv.STANDARD_DVBT2,
dtv.FECFRAME_NORMAL,
dtv.C2_3,
dtv.MOD_OTHER)
interleaver = dtv.dvbt2_interleaver_bb(
dtv.FECFRAME_NORMAL,
dtv.C2_3,
dtv.MOD_64QAM)
modulator = dtv.dvbt2_modulator_bc(
dtv.FECFRAME_NORMAL,
dtv.MOD_64QAM,
dtv.ROTATION_ON)
cellinterleaver = dtv.dvbt2_cellinterleaver_cc(
dtv.FECFRAME_NORMAL,
dtv.MOD_64QAM,
2,
3)
framemapper = dtv.dvbt2_framemapper_cc(
dtv.FECFRAME_NORMAL,
dtv.C2_3,
dtv.MOD_64QAM,
dtv.ROTATION_ON,
2,
3,
dtv.CARRIERS_NORMAL,
dtv.FFTSIZE_4K,
dtv.GI_1_32,
dtv.L1_MOD_16QAM,
dtv.PILOT_PP7,
2,
7,
dtv.PAPR_TR,
dtv.VERSION_111,
dtv.PREAMBLE_T2_SISO,
dtv.INPUTMODE_NORMAL,
dtv.RESERVED_OFF,
dtv.L1_SCRAMBLED_OFF,
dtv.INBAND_OFF)
freqinterleaver = dtv.dvbt2_freqinterleaver_cc(
dtv.CARRIERS_NORMAL,
dtv.FFTSIZE_4K,
dtv.PILOT_PP7,
dtv.GI_1_32,
7,
dtv.PAPR_TR,
dtv.VERSION_111,
dtv.PREAMBLE_T2_SISO
)
pilotgenerator = dtv.dvbt2_pilotgenerator_cc(
dtv.CARRIERS_NORMAL,
dtv.FFTSIZE_4K,
dtv.PILOT_PP7,
dtv.GI_1_32,
7,
dtv.PAPR_TR,
dtv.VERSION_111,
dtv.PREAMBLE_T2_SISO,
dtv.MISO_TX1,
dtv.EQUALIZATION_OFF,
dtv.BANDWIDTH_8_0_MHZ,
4096
)
paprtr = dtv.dvbt2_paprtr_cc(
dtv.CARRIERS_NORMAL,
dtv.FFTSIZE_4K,
dtv.PILOT_PP7,
dtv.GI_1_32,
7,
dtv.PAPR_TR,
dtv.VERSION_111,
3.0,
10,
4096
)
ofdm_cyclic_prefixer = digital.ofdm_cyclic_prefixer(
4096,
4096 + 4096 // 32,
0,
'')
p1insertion = dtv.dvbt2_p1insertion_cc(
dtv.CARRIERS_NORMAL,
dtv.FFTSIZE_4K,
dtv.GI_1_32,
7,
dtv.PREAMBLE_T2_SISO,
dtv.SHOWLEVELS_OFF,
3.01
)
file_sink = blocks.file_sink(gr.sizeof_gr_complex*1, outfile, False)
file_sink.set_unbuffered(True)
self.tb.connect(
file_source,
bbheader,
bbscrambler,
bch,
ldpc,
interleaver,
modulator,
cellinterleaver,
framemapper,
freqinterleaver,
pilotgenerator,
paprtr,
ofdm_cyclic_prefixer,
p1insertion,
file_sink)
self.tb.run()
file_sink.close()
self.assertEqual(getsize(outfile), getsize(testfile))
out_data = np.fromfile(outfile, dtype=np.float32)
expected_data = np.fromfile(testfile, dtype=np.float32)
os.remove(outfile)
self.assertFloatTuplesAlmostEqual(out_data, expected_data, 5)
pass
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Vv018 Miso")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = (8000000.0) * 8 / 7
##################################################
# Blocks
##################################################
self.osmosdr_sink_0 = osmosdr.sink( args="numchan=" + str(1) + " " + "bladerf=0,buffers=128,buflen=32768" )
self.osmosdr_sink_0.set_sample_rate(samp_rate)
self.osmosdr_sink_0.set_center_freq(429e6, 0)
self.osmosdr_sink_0.set_freq_corr(0, 0)
self.osmosdr_sink_0.set_gain(18, 0)
self.osmosdr_sink_0.set_if_gain(0, 0)
self.osmosdr_sink_0.set_bb_gain(-8, 0)
self.osmosdr_sink_0.set_antenna("", 0)
self.osmosdr_sink_0.set_bandwidth(8750000, 0)
self.dvbt2_pilotgenerator_cc_1 = dvbt2.pilotgenerator_cc(dvbt2.CARRIERS_EXTENDED, dvbt2.FFTSIZE_32K, dvbt2.PILOT_PP2, dvbt2.GI_1_16, 19, dvbt2.PAPR_OFF, dvbt2.VERSION_111, dvbt2.PREAMBLE_T2_MISO, dvbt2.MISO_TX1, dvbt2.EQUALIZATION_ON, dvbt2.BANDWIDTH_8_0_MHZ, 32768)
self.dvbt2_pilotgenerator_cc_0 = dvbt2.pilotgenerator_cc(dvbt2.CARRIERS_EXTENDED, dvbt2.FFTSIZE_32K, dvbt2.PILOT_PP2, dvbt2.GI_1_16, 19, dvbt2.PAPR_OFF, dvbt2.VERSION_111, dvbt2.PREAMBLE_T2_MISO, dvbt2.MISO_TX2, dvbt2.EQUALIZATION_ON, dvbt2.BANDWIDTH_8_0_MHZ, 32768)
self.dvbt2_p1insertion_cc_0_0 = dvbt2.p1insertion_cc(dvbt2.CARRIERS_EXTENDED, dvbt2.FFTSIZE_32K, dvbt2.GI_1_16, 19, dvbt2.PREAMBLE_T2_MISO, dvbt2.SHOWLEVELS_OFF, 3.3)
self.dvbt2_p1insertion_cc_0 = dvbt2.p1insertion_cc(dvbt2.CARRIERS_EXTENDED, dvbt2.FFTSIZE_32K, dvbt2.GI_1_16, 19, dvbt2.PREAMBLE_T2_MISO, dvbt2.SHOWLEVELS_OFF, 3.3)
self.dvbt2_modulator_bc_0 = dvbt2.modulator_bc(dvbt2.FECFRAME_NORMAL, dvbt2.MOD_256QAM, dvbt2.ROTATION_ON)
self.dvbt2_miso_cc_0 = dvbt2.miso_cc(dvbt2.CARRIERS_EXTENDED, dvbt2.FFTSIZE_32K, dvbt2.PILOT_PP2, dvbt2.GI_1_16, 19, dvbt2.PAPR_OFF, )
self.dvbt2_ldpc_bb_0 = dvbt2.ldpc_bb(dvbt2.FECFRAME_NORMAL, dvbt2.C5_6)
self.dvbt2_interleaver_bb_0 = dvbt2.interleaver_bb(dvbt2.FECFRAME_NORMAL, dvbt2.C5_6, dvbt2.MOD_256QAM)
self.dvbt2_freqinterleaver_cc_0 = dvbt2.freqinterleaver_cc(dvbt2.CARRIERS_EXTENDED, dvbt2.FFTSIZE_32K, dvbt2.PILOT_PP2, dvbt2.GI_1_16, 19, dvbt2.PAPR_OFF, dvbt2.VERSION_111, dvbt2.PREAMBLE_T2_MISO, )
self.dvbt2_framemapper_cc_0 = dvbt2.framemapper_cc(dvbt2.FECFRAME_NORMAL, dvbt2.C5_6, dvbt2.MOD_256QAM, dvbt2.ROTATION_ON, 61, 1, dvbt2.CARRIERS_EXTENDED, dvbt2.FFTSIZE_32K, dvbt2.GI_1_16, dvbt2.L1_MOD_64QAM, dvbt2.PILOT_PP2, 2, 19, dvbt2.PAPR_OFF, dvbt2.VERSION_111, dvbt2.PREAMBLE_T2_MISO, dvbt2.INPUTMODE_NORMAL, dvbt2.RESERVED_OFF, dvbt2.L1_SCRAMBLED_OFF, dvbt2.INBAND_OFF)
self.dvbt2_cellinterleaver_cc_0 = dvbt2.cellinterleaver_cc(dvbt2.FECFRAME_NORMAL, dvbt2.MOD_256QAM, 61, 1)
self.dvbt2_bch_bb_0 = dvbt2.bch_bb(dvbt2.FECFRAME_NORMAL, dvbt2.C5_6)
self.dvbt2_bbscrambler_bb_0 = dvbt2.bbscrambler_bb(dvbt2.FECFRAME_NORMAL, dvbt2.C5_6)
self.dvbt2_bbheader_bb_0 = dvbt2.bbheader_bb(dvbt2.FECFRAME_NORMAL, dvbt2.C5_6, dvbt2.INPUTMODE_HIEFF, dvbt2.INBAND_OFF, 168, 4000000)
self.digital_ofdm_cyclic_prefixer_0_0 = digital.ofdm_cyclic_prefixer(32768, 32768+32768/16, 0, "")
self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer(32768, 32768+32768/16, 0, "")
self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_gr_complex*1)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((0.2, ))
self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, "/run/shm/adv32kmiso.ts", False)
##################################################
# Connections
##################################################
self.connect((self.blocks_file_source_0, 0), (self.dvbt2_bbheader_bb_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.osmosdr_sink_0, 0))
self.connect((self.digital_ofdm_cyclic_prefixer_0, 0), (self.dvbt2_p1insertion_cc_0, 0))
self.connect((self.digital_ofdm_cyclic_prefixer_0_0, 0), (self.dvbt2_p1insertion_cc_0_0, 0))
self.connect((self.dvbt2_bbheader_bb_0, 0), (self.dvbt2_bbscrambler_bb_0, 0))
self.connect((self.dvbt2_bbscrambler_bb_0, 0), (self.dvbt2_bch_bb_0, 0))
self.connect((self.dvbt2_bch_bb_0, 0), (self.dvbt2_ldpc_bb_0, 0))
self.connect((self.dvbt2_cellinterleaver_cc_0, 0), (self.dvbt2_framemapper_cc_0, 0))
self.connect((self.dvbt2_framemapper_cc_0, 0), (self.dvbt2_freqinterleaver_cc_0, 0))
self.connect((self.dvbt2_freqinterleaver_cc_0, 0), (self.dvbt2_miso_cc_0, 0))
self.connect((self.dvbt2_interleaver_bb_0, 0), (self.dvbt2_modulator_bc_0, 0))
self.connect((self.dvbt2_ldpc_bb_0, 0), (self.dvbt2_interleaver_bb_0, 0))
self.connect((self.dvbt2_miso_cc_0, 1), (self.dvbt2_pilotgenerator_cc_0, 0))
self.connect((self.dvbt2_miso_cc_0, 0), (self.dvbt2_pilotgenerator_cc_1, 0))
self.connect((self.dvbt2_modulator_bc_0, 0), (self.dvbt2_cellinterleaver_cc_0, 0))
self.connect((self.dvbt2_p1insertion_cc_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.dvbt2_p1insertion_cc_0_0, 0), (self.blocks_null_sink_0, 0))
self.connect((self.dvbt2_pilotgenerator_cc_0, 0), (self.digital_ofdm_cyclic_prefixer_0, 0))
self.connect((self.dvbt2_pilotgenerator_cc_1, 0), (self.digital_ofdm_cyclic_prefixer_0_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, "Dvbt2 Master")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = (8000000.0 * 8) / 7
self._rf_gain_config = ConfigParser.ConfigParser()
self._rf_gain_config.read('./dvbt2.conf')
try:
rf_gain = self._rf_gain_config.getint('hackrf', 'rf-gain')
except:
rf_gain = 0
self.rf_gain = rf_gain
self._if_gain_config = ConfigParser.ConfigParser()
self._if_gain_config.read('./dvbt2.conf')
try:
if_gain = self._if_gain_config.getint('hackrf', 'if-gain')
except:
if_gain = 0
self.if_gain = if_gain
self._center_freq_config = ConfigParser.ConfigParser()
self._center_freq_config.read('./dvbt2.conf')
try:
center_freq = self._center_freq_config.getint(
'hackrf', 'frequency')
except:
center_freq = 0
self.center_freq = center_freq
self._band_width_config = ConfigParser.ConfigParser()
self._band_width_config.read('./dvbt2.conf')
try:
band_width = self._band_width_config.getint('hackrf', 'bandwidth')
except:
band_width = 0
self.band_width = band_width
self._VERSION_config = ConfigParser.ConfigParser()
self._VERSION_config.read('./dvbt2.conf')
try:
VERSION = self._VERSION_config.getint('dvbt2', 'version')
except:
VERSION = 0
self.VERSION = VERSION
self._PREAMBLE_config = ConfigParser.ConfigParser()
self._PREAMBLE_config.read('./dvbt2.conf')
try:
PREAMBLE = self._PREAMBLE_config.get('dvbt2', 'preamble')
except:
PREAMBLE = '0'
self.PREAMBLE = PREAMBLE
self._PILOT_config = ConfigParser.ConfigParser()
self._PILOT_config.read('./dvbt2.conf')
try:
PILOT = self._PILOT_config.getint('dvbt2', 'pilot-pattern')
except:
PILOT = 0
self.PILOT = PILOT
self._PAPR_config = ConfigParser.ConfigParser()
self._PAPR_config.read('./dvbt2.conf')
try:
PAPR = self._PAPR_config.get('dvbt2', 'papr')
except:
PAPR = '0'
self.PAPR = PAPR
self._L1MOD_config = ConfigParser.ConfigParser()
self._L1MOD_config.read('./dvbt2.conf')
try:
L1MOD = self._L1MOD_config.get('dvbt2', 'L1-mod')
except:
L1MOD = '0'
self.L1MOD = L1MOD
self._GI_config = ConfigParser.ConfigParser()
self._GI_config.read('./dvbt2.conf')
try:
GI = self._GI_config.get('dvbt2', 'guard-interval')
except:
GI = '0'
self.GI = GI
self._FFTSIZE_config = ConfigParser.ConfigParser()
self._FFTSIZE_config.read('./dvbt2.conf')
try:
FFTSIZE = self._FFTSIZE_config.get('dvbt2', 'fft-size')
except:
FFTSIZE = '0'
self.FFTSIZE = FFTSIZE
self._FECBLKS_config = ConfigParser.ConfigParser()
self._FECBLKS_config.read('./dvbt2.conf')
try:
FECBLKS = self._FECBLKS_config.getint('dvbt2', 'fec-blocks')
except:
FECBLKS = 0
self.FECBLKS = FECBLKS
self._DATASYM_config = ConfigParser.ConfigParser()
self._DATASYM_config.read('./dvbt2.conf')
try:
DATASYM = self._DATASYM_config.getint('dvbt2', 'datasymbols')
except:
DATASYM = 0
self.DATASYM = DATASYM
self._CONSTELLATION_config = ConfigParser.ConfigParser()
self._CONSTELLATION_config.read('./dvbt2.conf')
try:
CONSTELLATION = self._CONSTELLATION_config.get(
'dvbt2', 'constellation')
except:
CONSTELLATION = '0'
self.CONSTELLATION = CONSTELLATION
self._CODERATE_config = ConfigParser.ConfigParser()
self._CODERATE_config.read('./dvbt2.conf')
try:
CODERATE = self._CODERATE_config.get('dvbt2', 'coderate')
except:
CODERATE = '0'
self.CODERATE = CODERATE
self._CARREXT_config = ConfigParser.ConfigParser()
self._CARREXT_config.read('./dvbt2.conf')
try:
CARREXT = self._CARREXT_config.get('dvbt2', 'ext-carriers')
except:
CARREXT = '0'
self.CARREXT = CARREXT
infile = str(sys.argv[1])
if VERSION == 111:
ver = dtv.VERSION_111
elif VERSION == 131:
ver = dtv.VERSION_131
else:
sys.stderr.write("VERSION IN CONFIG WRONG! Values: 111 or 131 \n")
sys.exit(1)
if PREAMBLE == "SISO":
preamb = dtv.PREAMBLE_T2_SISO
elif PREAMBLE == "MISO":
preamb = dtv.PREAMBLE_T2_MISO
else:
sys.stderr.write(
"PREAMBLE IN CONFIG WRONG! Values: SISO or MISO \n")
sys.exit(1)
if PILOT == 1:
pil = dtv.PILOT_PP1
elif PILOT == 2:
pil = dtv.PILOT_PP2
elif PILOT == 3:
pil = dtv.PILOT_PP3
elif PILOT == 4:
pil = dtv.PILOT_PP4
elif PILOT == 5:
pil = dtv.PILOT_PP5
elif PILOT == 6:
pil = dtv.PILOT_PP6
elif PILOT == 7:
pil = dtv.PILOT_PP7
elif PILOT == 8:
pil = dtv.PILOT_PP8
else:
sys.stderr.write(
"PILOT-PATTERN IN CONFIG WRONG! Values: 1, 2, 3, 4, 5, 6, 7 or 8 \n"
)
sys.exit(1)
if PAPR == "on":
pap = dtv.PAPR_ON
elif PAPR == "off":
pap = dtv.PAPR_OFF
else:
sys.stderr.write("PAPR IN CONFIG WRONG! Values: on or off \n")
sys.exit(1)
if L1MOD == "QPSK":
l1m = dtv.L1_MOD_QPSK
elif L1MOD == "BPSK":
l1m = dtv.L1_MOD_BPSK
elif L1MOD == "16QAM":
l1m = dtv.L1_MOD_16QAM
elif L1MOD == "64QAM":
l1m = dtv.L1_MOD_64QAM
else:
sys.stderr.write(
"L1-MOD IN CONFIG WRONG! Values: QPSK, BPSK, 16QAM or 64QAM \n"
)
sys.exit(1)
if GI == "1/32":
gint = dtv.GI_1_32
mul = 1
div = 32
elif GI == "1/16":
gint = dtv.GI_1_16
mul = 1
div = 16
elif GI == "1/8":
gint = dtv.GI_1_8
mul = 1
div = 8
elif GI == "1/4":
gint = dtv.GI_1_4
mul = 1
div = 4
elif GI == "1/128":
gint = dtv.GI_1_128
mul = 1
div = 128
elif GI == "19/128":
gint = dtv.GI_19_128
mul = 19
div = 128
elif GI == "19/256":
gint = dtv.GI_19_256
mul = 19
div = 256
else:
sys.stderr.write(
"GUARD-INTERVAL IN CONFIG WRONG! Values: 1/32, 1/16, 1/8, 1/4, 1/128, 19/128, 19/256 \n"
)
sys.exit(1)
if FFTSIZE == "16k":
ffts = dtv.FFTSIZE_16K
fft_length = 16384
elif FFTSIZE == "32k":
ffts = dtv.FFTSIZE_32K
fft_length = 32768
else:
sys.stderr.write("FFTSIZE IN CONFIG WRONG! Values: 16k or 32k \n")
sys.exit(1)
if CONSTELLATION == "QPSK":
const = dtv.MOD_QPSK
elif CONSTELLATION == "16QAM":
const = dtv.MOD_16QAM
elif CONSTELLATION == "64QAM":
const = dtv.MOD_64QAM
elif CONSTELLATION == "256QAM":
const = dtv.MOD_256QAM
else:
sys.stderr.write(
"CONSTELLATION IN CONFIG WRONG! Values: QPSK 16QAM 64QAM 256QAM \n"
)
sys.exit(1)
if CODERATE == "1/2":
codr = dtv.C1_2
elif CODERATE == "2/5":
codr = dtv.C2_5
elif CODERATE == "3/5":
codr = dtv.C3_5
elif CODERATE == "2/3":
codr = dtv.C2_3
elif CODERATE == "3/4":
codr = dtv.C3_4
elif CODERATE == "4/5":
codr = dtv.C4_5
elif CODERATE == "5/6":
codr = dtv.C5_6
else:
sys.stderr.write(
"CODERATE IN CONFIG WRONG! Values: 1/2 2/5 3/5 2/3 3/4 4/5 5/6 \n"
)
sys.exit(1)
if CARREXT == "on":
extcarr = dtv.CARRIERS_EXTENDED
elif CARREXT == "off":
extcarr = dtv.CARRIERS_NORMAL
else:
sys.stderr.write(
"EXT-CARRIERS IN CONFIG WRONG! Values: on or off \n")
sys.exit(1)
cp_length = fft_length + (fft_length * mul) / div
##################################################
# Blocks
##################################################
self.osmosdr_sink_0 = osmosdr.sink(args="numchan=" + str(1) + " " +
'hackrf,buffers=128,buflen=32768')
self.osmosdr_sink_0.set_sample_rate(samp_rate)
self.osmosdr_sink_0.set_center_freq(center_freq, 0)
self.osmosdr_sink_0.set_freq_corr(0, 0)
self.osmosdr_sink_0.set_gain(rf_gain, 0)
self.osmosdr_sink_0.set_if_gain(if_gain, 0)
self.osmosdr_sink_0.set_bb_gain(0, 0)
self.osmosdr_sink_0.set_antenna('', 0)
self.osmosdr_sink_0.set_bandwidth(band_width, 0)
self.dtv_dvbt2_pilotgenerator_cc_0 = dtv.dvbt2_pilotgenerator_cc(
extcarr, ffts, pil, gint, DATASYM, pap, ver, preamb, dtv.MISO_TX1,
dtv.EQUALIZATION_OFF, dtv.BANDWIDTH_8_0_MHZ, fft_length)
self.dtv_dvbt2_p1insertion_cc_0 = dtv.dvbt2_p1insertion_cc(
extcarr, ffts, gint, DATASYM, preamb, dtv.SHOWLEVELS_OFF, 3.3)
self.dtv_dvbt2_modulator_bc_0 = dtv.dvbt2_modulator_bc(
dtv.FECFRAME_NORMAL, const, dtv.ROTATION_OFF)
self.dtv_dvbt2_interleaver_bb_0 = dtv.dvbt2_interleaver_bb(
dtv.FECFRAME_NORMAL, codr, const)
self.dtv_dvbt2_freqinterleaver_cc_0 = dtv.dvbt2_freqinterleaver_cc(
extcarr, ffts, pil, gint, DATASYM, pap, ver, preamb)
self.dtv_dvbt2_framemapper_cc_0 = dtv.dvbt2_framemapper_cc(
dtv.FECFRAME_NORMAL, codr, const, dtv.ROTATION_OFF, FECBLKS, 3,
extcarr, ffts, gint, l1m, pil, 2, DATASYM, pap, ver, preamb,
dtv.INPUTMODE_NORMAL, dtv.RESERVED_OFF, dtv.L1_SCRAMBLED_OFF,
dtv.INBAND_OFF)
self.dtv_dvbt2_cellinterleaver_cc_0 = dtv.dvbt2_cellinterleaver_cc(
dtv.FECFRAME_NORMAL, const, FECBLKS, 3)
self.dtv_dvb_ldpc_bb_0 = dtv.dvb_ldpc_bb(dtv.STANDARD_DVBT2,
dtv.FECFRAME_NORMAL, codr,
dtv.MOD_OTHER)
self.dtv_dvb_bch_bb_0 = dtv.dvb_bch_bb(dtv.STANDARD_DVBT2,
dtv.FECFRAME_NORMAL, codr)
self.dtv_dvb_bbscrambler_bb_0 = dtv.dvb_bbscrambler_bb(
dtv.STANDARD_DVBT2, dtv.FECFRAME_NORMAL, codr)
self.dtv_dvb_bbheader_bb_0 = dtv.dvb_bbheader_bb(
dtv.STANDARD_DVBT2, dtv.FECFRAME_NORMAL, codr, dtv.RO_0_35,
dtv.INPUTMODE_HIEFF, dtv.INBAND_OFF, 168, 4000000)
self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer(
fft_length, cp_length, 0, '')
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((0.2, ))
if infile == "-":
self.blocks_file_descriptor_source_0 = blocks.file_descriptor_source(
gr.sizeof_char * 1, 0, True)
else:
self.blocks_file_source_0 = blocks.file_source(
gr.sizeof_char * 1, infile, True)
##################################################
# Connections
##################################################
if infile == "-":
self.connect((self.blocks_file_descriptor_source_0, 0),
(self.dtv_dvb_bbheader_bb_0, 0))
else:
self.connect((self.blocks_file_source_0, 0),
(self.dtv_dvb_bbheader_bb_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.osmosdr_sink_0, 0))
self.connect((self.digital_ofdm_cyclic_prefixer_0, 0),
(self.dtv_dvbt2_p1insertion_cc_0, 0))
self.connect((self.dtv_dvb_bbheader_bb_0, 0),
(self.dtv_dvb_bbscrambler_bb_0, 0))
self.connect((self.dtv_dvb_bbscrambler_bb_0, 0),
(self.dtv_dvb_bch_bb_0, 0))
self.connect((self.dtv_dvb_bch_bb_0, 0), (self.dtv_dvb_ldpc_bb_0, 0))
self.connect((self.dtv_dvb_ldpc_bb_0, 0),
(self.dtv_dvbt2_interleaver_bb_0, 0))
self.connect((self.dtv_dvbt2_cellinterleaver_cc_0, 0),
(self.dtv_dvbt2_framemapper_cc_0, 0))
self.connect((self.dtv_dvbt2_framemapper_cc_0, 0),
(self.dtv_dvbt2_freqinterleaver_cc_0, 0))
self.connect((self.dtv_dvbt2_freqinterleaver_cc_0, 0),
(self.dtv_dvbt2_pilotgenerator_cc_0, 0))
self.connect((self.dtv_dvbt2_interleaver_bb_0, 0),
(self.dtv_dvbt2_modulator_bc_0, 0))
self.connect((self.dtv_dvbt2_modulator_bc_0, 0),
(self.dtv_dvbt2_cellinterleaver_cc_0, 0))
self.connect((self.dtv_dvbt2_p1insertion_cc_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.dtv_dvbt2_pilotgenerator_cc_0, 0),
(self.digital_ofdm_cyclic_prefixer_0, 0))
def create_ofdm_blocks(self):
self.carrier_allocator = digital.ofdm_carrier_allocator_cvc(self.fft_len, self.occupied_carriers,
self.pilot_carriers, self.pilot_symbols, self.sync_words, self.len_tag_key)
self.ifft = fft.fft_vcc(self.fft_len, False, (), True, 1)
ofdm_len = self.fft_len + self.cp_len
self.ofdm_cyclic_prefixer = digital.ofdm_cyclic_prefixer(self.fft_len, ofdm_len, 0, self.len_tag_key)
def main(args):
nargs = len(args)
if nargs == 1:
port = int(args[0])
outfile = None
elif nargs == 2:
port = int(args[0])
outfile = args[1]
else:
sys.stderr.write("Usage: dvbt-hackrf.py port [output_file]\n");
sys.exit(1)
channel_mhz = 6
mode = dtv.T2k
code_rate = dtv.C1_2
constellation = dtv.MOD_QPSK
guard_interval = dtv.GI_1_32
symbol_rate = channel_mhz * 8000000.0 / 7
center_freq = 441000000
rf_gain = 14
if_gain = 40
if mode == dtv.T2k:
factor = 1
carriers = 2048
elif mode == dtv.T8k:
factor = 4
carriers = 8192
if guard_interval == dtv.GI_1_32:
gi = carriers / 32
elif guard_interval == dtv.GI_1_16:
gi = carriers / 16
elif guard_interval == dtv.GI_1_8:
gi = carriers / 8
elif guard_interval == dtv.GI_1_4:
gi = carriers / 4
if channel_mhz == 8:
bandwidth = 8750000
elif channel_mhz == 7:
bandwidth = 7000000
elif channel_mhz == 6:
bandwidth = 6000000
elif channel_mhz == 5:
bandwidth = 5000000
else:
bandwidth = 8750000
tb = gr.top_block()
src = grc_blks2.tcp_source(gr.sizeof_char*1, "127.0.0.1", port, True)
dvbt_energy_dispersal = dtv.dvbt_energy_dispersal(1 * factor)
dvbt_reed_solomon_enc = dtv.dvbt_reed_solomon_enc(2, 8, 0x11d, 255, 239, 8, 51, (8 * factor))
dvbt_convolutional_interleaver = dtv.dvbt_convolutional_interleaver((136 * factor), 12, 17)
dvbt_inner_coder = dtv.dvbt_inner_coder(1, (1512 * factor), constellation, dtv.NH, code_rate)
dvbt_bit_inner_interleaver = dtv.dvbt_bit_inner_interleaver((1512 * factor), constellation, dtv.NH, mode)
dvbt_symbol_inner_interleaver = dtv.dvbt_symbol_inner_interleaver((1512 * factor), mode, 1)
dvbt_map = dtv.dvbt_map((1512 * factor), constellation, dtv.NH, mode, 1)
dvbt_reference_signals = dtv.dvbt_reference_signals(gr.sizeof_gr_complex, (1512 * factor), carriers, constellation, dtv.NH, code_rate, code_rate, dtv.GI_1_32, mode, 0, 0)
fft_vxx = fft.fft_vcc(carriers, False, (window.rectangular(carriers)), True, 10)
digital_ofdm_cyclic_prefixer = digital.ofdm_cyclic_prefixer(carriers, carriers+(gi), 0, "")
blocks_multiply_const_vxx = blocks.multiply_const_vcc((0.0022097087 * 2.5, ))
out = osmosdr.sink()
out.set_sample_rate(symbol_rate)
out.set_center_freq(center_freq, 0)
out.set_freq_corr(0, 0)
out.set_gain(rf_gain, 0)
out.set_if_gain(if_gain, 0)
out.set_bandwidth(bandwidth, 0)
tb.connect(src, dvbt_energy_dispersal)
tb.connect(dvbt_energy_dispersal, dvbt_reed_solomon_enc)
tb.connect(dvbt_reed_solomon_enc, dvbt_convolutional_interleaver)
tb.connect(dvbt_convolutional_interleaver, dvbt_inner_coder)
tb.connect(dvbt_inner_coder, dvbt_bit_inner_interleaver)
tb.connect(dvbt_bit_inner_interleaver, dvbt_symbol_inner_interleaver)
tb.connect(dvbt_symbol_inner_interleaver, dvbt_map)
tb.connect(dvbt_map, dvbt_reference_signals)
tb.connect(dvbt_reference_signals, fft_vxx)
tb.connect(fft_vxx, digital_ofdm_cyclic_prefixer)
tb.connect(digital_ofdm_cyclic_prefixer, blocks_multiply_const_vxx)
tb.connect(blocks_multiply_const_vxx, out)
if outfile:
dst = blocks.file_sink(gr.sizeof_gr_complex, outfile)
tb.connect(blocks_multiply_const_vxx, dst)
tb.run()
def __init__(self, options, msgq_limit=2, pad_for_usrp=True):
"""
Hierarchical block for sending packets
Packets to be sent are enqueued by calling send_pkt.
The output is the complex modulated signal at baseband.
Args:
options: pass modulation options from higher layers (fft length, occupied tones, etc.)
msgq_limit: maximum number of messages in message queue (int)
pad_for_usrp: If true, packets are padded such that they end up a multiple of 128 samples
"""
gr.hier_block2.__init__(self, "ofdm_mod",
gr.io_signature(0, 0, 0), # Input signature
gr.io_signature(1, 1, gr.sizeof_gr_complex)) # Output signature
self._pad_for_usrp = pad_for_usrp
self._modulation = options.modulation
self._fft_length = options.fft_length
self._occupied_tones = options.occupied_tones
self._cp_length = options.cp_length
win = [] #[1 for i in range(self._fft_length)]
# Use freq domain to get doubled-up known symbol for correlation in time domain
zeros_on_left = int(math.ceil((self._fft_length - self._occupied_tones)/2.0))
ksfreq = known_symbols_4512_3[0:self._occupied_tones]
for i in range(len(ksfreq)):
if((zeros_on_left + i) & 1):
ksfreq[i] = 0
# hard-coded known symbols
preambles = (ksfreq,)
padded_preambles = list()
for pre in preambles:
padded = self._fft_length*[0,]
padded[zeros_on_left : zeros_on_left + self._occupied_tones] = pre
padded_preambles.append(padded)
symbol_length = options.fft_length + options.cp_length
mods = {"bpsk": 2, "qpsk": 4, "8psk": 8, "qam8": 8, "qam16": 16, "qam64": 64, "qam256": 256}
arity = mods[self._modulation]
rot = 1
if self._modulation == "qpsk":
rot = (0.707+0.707j)
# FIXME: pass the constellation objects instead of just the points
if(self._modulation.find("psk") >= 0):
constel = psk.psk_constellation(arity)
rotated_const = map(lambda pt: pt * rot, constel.points())
elif(self._modulation.find("qam") >= 0):
constel = qam.qam_constellation(arity)
rotated_const = map(lambda pt: pt * rot, constel.points())
#print rotated_const
self._pkt_input = digital.ofdm_mapper_bcv(rotated_const,
msgq_limit,
options.occupied_tones,
options.fft_length)
self.preambles = digital.ofdm_insert_preamble(self._fft_length,
padded_preambles)
self.ifft = fft.fft_vcc(self._fft_length, False, win, True)
self.cp_adder = digital.ofdm_cyclic_prefixer(self._fft_length,
symbol_length)
self.scale = blocks.multiply_const_cc(1.0 / math.sqrt(self._fft_length))
self.connect((self._pkt_input, 0), (self.preambles, 0))
self.connect((self._pkt_input, 1), (self.preambles, 1))
self.connect(self.preambles, self.ifft, self.cp_adder, self.scale, self)
