def set_occupied_carriers(self, occupied_carriers):
self.occupied_carriers = occupied_carriers
self.set_hdr_format(
digital.header_format_ofdm(
self.occupied_carriers,
1,
self.length_tag_key,
))
self.set_header_equalizer(
digital.ofdm_equalizer_simpledfe(self.fft_len, header_mod.base(),
self.occupied_carriers,
self.pilot_carriers,
self.pilot_symbols))
self.set_header_formatter(
digital.packet_header_ofdm(
self.occupied_carriers,
n_syms=1,
len_tag_key=self.packet_length_tag_key,
frame_len_tag_key=self.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.set_payload_equalizer(
digital.ofdm_equalizer_simpledfe(self.fft_len, payload_mod.base(),
self.occupied_carriers,
self.pilot_carriers,
self.pilot_symbols, 1))
def create_header_blocks(self):
hdr_format = digital.header_format_ofdm(self.occupied_carriers, 1, self.len_tag_key)
self.protocol_formatter = digital.protocol_formatter_bb(hdr_format, self.len_tag_key)
self.repack_bits_hdr = blocks.repack_bits_bb(8, self.header_const.bits_per_symbol(),
self.len_tag_key, True, gr.GR_LSB_FIRST)
self.hdr_modulation = digital.chunks_to_symbols_bc(self.header_const.points(), 1)
def set_occupied_carriers(self, occupied_carriers):
self.occupied_carriers = occupied_carriers
self.set_hdr_format(
digital.header_format_ofdm(
self.occupied_carriers,
1,
self.length_tag_key,
))
def set_length_tag_key(self, length_tag_key):
self.length_tag_key = length_tag_key
self.set_hdr_format(
digital.header_format_ofdm(
self.occupied_carriers,
1,
self.length_tag_key,
))
def create_header_blocks(self):
hdr_format = digital.header_format_ofdm(self.occupied_carriers, 1,
self.len_tag_key)
self.protocol_formatter = digital.protocol_formatter_bb(
hdr_format, self.len_tag_key)
self.repack_bits_hdr = blocks.repack_bits_bb(
8, self.header_const.bits_per_symbol(), self.len_tag_key, True,
gr.GR_LSB_FIRST)
self.hdr_modulation = digital.chunks_to_symbols_bc(
self.header_const.points(), 1)
def __init__(self,
length_tag_key="package_size",
mod_encabezado=digital.constellation_bpsk(),
occupied_carriers=(range(-27, -21) + range(-20, -7) +
range(-6, 0) + range(1, 7) + range(8, 21) +
range(22, 28), ),
package_size=96):
gr.hier_block2.__init__(
self,
"HeaderModulator",
gr.io_signature(1, 1, gr.sizeof_char * 1),
gr.io_signature(1, 1, gr.sizeof_gr_complex * 1),
)
##################################################
# Parameters
##################################################
self.length_tag_key = length_tag_key
self.mod_encabezado = mod_encabezado
self.occupied_carriers = occupied_carriers
self.package_size = package_size
##################################################
# Variables
##################################################
self.hdr_format = hdr_format = digital.header_format_ofdm(
occupied_carriers,
1,
length_tag_key,
)
##################################################
# Blocks
##################################################
self.digital_protocol_formatter_bb_0 = digital.protocol_formatter_bb(
hdr_format, length_tag_key)
self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc(
(mod_encabezado.points()), 1)
self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(
gr.sizeof_char, 1, package_size, length_tag_key)
self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb(
8, 1, length_tag_key, False, gr.GR_LSB_FIRST)
##################################################
# Connections
##################################################
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_protocol_formatter_bb_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_0, 0), (self, 0))
self.connect((self.digital_protocol_formatter_bb_0, 0),
(self.blocks_repack_bits_bb_0_0, 0))
self.connect((self, 0), (self.blocks_stream_to_tagged_stream_0, 0))
def set_length_tag_key(self, length_tag_key):
self.length_tag_key = length_tag_key
self.set_hdr_format(
digital.header_format_ofdm(
self.occupied_carriers,
1,
self.length_tag_key,
))
self.set_header_formatter(
digital.packet_header_ofdm(
self.occupied_carriers,
n_syms=1,
len_tag_key=self.packet_length_tag_key,
frame_len_tag_key=self.length_tag_key,
bits_per_header_sym=header_mod.bits_per_symbol(),
bits_per_payload_sym=payload_mod.bits_per_symbol(),
scramble_header=False))
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 = 1000000
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.hdr_format = hdr_format = digital.header_format_ofdm(
occupied_carriers,
1,
length_tag_key,
)
self.fft_len = fft_len = 64
self.band_width = band_width = 20000000
##################################################
# Blocks
##################################################
self.pluto_sink_0 = iio.pluto_sink('193.168.2.1', 500000000, samp_rate,
band_width, 0x8000, False, 10.0, '',
True)
self.fft_vxx_0 = fft.fft_vcc(fft_len, False, (()), True, 1)
self.digital_protocol_formatter_bb_0 = digital.protocol_formatter_bb(
hdr_format, length_tag_key)
self.digital_ofdm_rx_0 = digital.ofdm_rx(
fft_len=fft_len,
cp_len=fft_len / 4,
frame_length_tag_key='frame_' + "length",
packet_length_tag_key="length",
occupied_carriers=occupied_carriers,
pilot_carriers=pilot_carriers,
pilot_symbols=pilot_symbols,
sync_word1=sync_word1,
sync_word2=sync_word2,
bps_header=1,
bps_payload=2,
debug_log=False,
scramble_bits=False)
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.channels_channel_model_0 = channels.channel_model(
noise_voltage=0.0,
frequency_offset=0.0,
epsilon=1.0,
taps=(1.0 + 1.0j, ),
noise_seed=0,
block_tags=True)
self.blocks_udp_source_0 = blocks.udp_source(gr.sizeof_char * 1,
'0.0.0.0', 1234, 1472,
True)
self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux(
gr.sizeof_gr_complex * 1, length_tag_key, 0)
self.blocks_tag_gate_0 = blocks.tag_gate(gr.sizeof_gr_complex * 1,
False)
self.blocks_tag_gate_0.set_single_key("")
self.blocks_tag_debug_0 = blocks.tag_debug(gr.sizeof_char * 1,
"Rx'd Packets", "")
self.blocks_tag_debug_0.set_display(True)
self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(
gr.sizeof_char, 1, packet_len, length_tag_key)
self.blocks_repack_bits_bb_0_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_vcc((0.05, ))
##################################################
# Connections
##################################################
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_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_tag_gate_0, 0),
(self.channels_channel_model_0, 0))
self.connect((self.blocks_tag_gate_0, 0), (self.pluto_sink_0, 0))
self.connect((self.blocks_tagged_stream_mux_0, 0),
(self.digital_ofdm_carrier_allocator_cvc_0, 0))
self.connect((self.blocks_udp_source_0, 0),
(self.blocks_stream_to_tagged_stream_0, 0))
self.connect((self.channels_channel_model_0, 0),
(self.digital_ofdm_rx_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_ofdm_rx_0, 0), (self.blocks_tag_debug_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, doc, ip="127.0.0.1"):
gr.top_block.__init__(self, "RL Mod training")
self.doc = doc
self.plot_lst = []
self.widget_lst = []
##################################################
# Parameters
##################################################
self.ip = ip
##################################################
# Variables
##################################################
self.pilot_symbols = pilot_symbols = ((1, 1, 1, -1,),)
self.pilot_carriers = pilot_carriers = ((-21, -7, 7, 21,),)
self.packet_length_tag_key = packet_length_tag_key = "packet_length"
self.occupied_carriers = occupied_carriers = (list(range(-22, -21)) + list(range(-20, -7)) + list(range(-6, 0)) + list(range(1, 7)) + list(range(8, 21)) + list(range(22, 23)),)
self.length_tag_key_0 = length_tag_key_0 = "frame_len"
self.length_tag_key = length_tag_key = "packet_len"
self.header_mod = header_mod = digital.constellation_bpsk()
self.fft_len = fft_len = 64
self.bits_per_symbol = bits_per_symbol = 4
self.variable_0 = variable_0 = len(occupied_carriers[0])
self.tx_lr = tx_lr = -3
self.tx_explo = tx_explo = 0.15
self.training_mod = training_mod = 1
self.timestamp = timestamp = '1'
self.t_state = t_state = 1
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 = 0.3e6
self.rolloff = rolloff = 0
self.puncpat = puncpat = '11'
self.payload_mod = payload_mod = digital.qam_constellation(constellation_points=2**bits_per_symbol)
self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_static(fft_len, occupied_carriers, pilot_carriers, pilot_symbols, 1)
self.packet_len = packet_len = 400
self.ldpc_enc = ldpc_enc = fec.ldpc_encoder_make(gr.prefix() + "/share/gnuradio/fec/ldpc/" + "n_0100_k_0042_gap_02.alist")
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_0, bits_per_header_sym=header_mod.bits_per_symbol(), bits_per_payload_sym=8, scramble_header=False)
self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe(fft_len, header_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols)
self.hdr_format = hdr_format = digital.header_format_ofdm(occupied_carriers, 1, length_tag_key,)
self.gain = gain = 10
self.freq = freq = 900e6
self.bits_per_symbol_0 = bits_per_symbol_0 = len(occupied_carriers[0])
##################################################
# Blocks
##################################################
self.tx_lr_slider = bokehgui.slider(self.widget_lst, 'TX Learning rate (log)' +":", -5, 0, 0.1, 1, -3)
self.tx_lr_slider.add_callback(lambda attr, old, new: self.set_tx_lr(new))
self.tx_explo_slider = bokehgui.slider(self.widget_lst, 'TX Exploration noise' +":", 0.001, 0.5, 0.001, 1, 0.15)
self.tx_explo_slider.add_callback(lambda attr, old, new: self.set_tx_explo(new))
self.training_mod_textbox = bokehgui.textbox(self.widget_lst, str(1), 'Alternate training every' +": ")
self.training_mod_textbox.add_callback(
lambda attr, old, new: self.set_training_mod(int(new)))
self._t_state_options = [ 1, 0, ]
self._t_state_labels = [ 'On', 'Off', ]
self.t_state_radiobutton = bokehgui.radiobutton(self.widget_lst, None, self._t_state_labels, inline = True)
self.t_state_radiobutton.add_callback(
lambda new: self.set_t_state(int(self._t_state_options[new])))
self.gain_slider = bokehgui.slider(self.widget_lst, 'Amplitude' +":", 0, 90, 0.5, 1, 10)
self.gain_slider.add_callback(lambda attr, old, new: self.set_gain(new))
self.zeromq_sub_msg_source_0_1 = zeromq.sub_msg_source("tcp://"+ip+":50002", 100)
self.zeromq_pub_msg_sink_0_0 = zeromq.pub_msg_sink('tcp://*:50001', 100)
self.uhd_usrp_sink_0 = uhd.usrp_sink(
",".join(("", "")),
uhd.stream_args(
cpu_format="fc32",
args='',
channels=list(range(0,1)),
),
length_tag_key,
)
self.uhd_usrp_sink_0.set_samp_rate(samp_rate)
self.uhd_usrp_sink_0.set_time_now(uhd.time_spec(time.time()), uhd.ALL_MBOARDS)
self.uhd_usrp_sink_0.set_center_freq(freq, 0)
self.uhd_usrp_sink_0.set_antenna('TX/RX', 0)
self.uhd_usrp_sink_0.set_gain(gain, 0)
self.timestamp_textbox = bokehgui.textbox(self.widget_lst, str('1'), 'Load timestamp' +": ")
self.timestamp_textbox.add_callback(
lambda attr, old, new: self.set_timestamp(str(new)))
self.learning_tag_numerotation_0 = learning.tag_numerotation('packet_num', packet_len, 4096, "bb")
self.learning_rl_mod_0 = learning.rl_mod('packet_num', bits_per_symbol, packet_len, 1, training_mod, 10**tx_lr , tx_explo, t_state , '/home/cyrille/Gnu-Radio/modules/gr-learning/examples/saved_models')
self.fft_vxx_0_0 = fft.fft_vcc(fft_len, False, (), True, 1)
self.fec_extended_encoder_1_0_0 = fec.extended_encoder(encoder_obj_list=ldpc_enc, threading= None, puncpat=puncpat)
self.digital_protocol_formatter_bb_0 = digital.protocol_formatter_bb(hdr_format, length_tag_key)
self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer(
fft_len,
fft_len + fft_len//4,
rolloff,
length_tag_key)
self.digital_ofdm_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_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc(header_mod.points(), 1)
self.bokehgui_time_const_x_0 = bokehgui.time_sink_c_proc(1024, samp_rate, "Transmitted noiseless constellation", 1)
self.bokehgui_time_const_x_0_plot = bokehgui.const_sink_c(self.doc, self.plot_lst, self.bokehgui_time_const_x_0, is_message = False)
labels = ['', '', '', '', '',
'', '', '', '', '']
legend_list = []
for i in range( 1 ):
if len(labels[i]) == 0:
if(i % 2 == 0):
legend_list.append("Re{{Data {0}}}".format(i/2))
else:
legend_list.append("Im{{Data {0}}}".format(i/2))
else:
legend_list.append(labels[i])
self.bokehgui_time_const_x_0_plot.initialize(update_time = 500,
legend_list = legend_list)
self.bokehgui_time_const_x_0_plot.set_y_axis([-2, 2])
self.bokehgui_time_const_x_0_plot.set_y_label('Q Channel' + '(' +""+')')
self.bokehgui_time_const_x_0_plot.set_x_label('I Channel' + '(' +""+')')
self.bokehgui_time_const_x_0_plot.enable_tags(-1, False)
self.bokehgui_time_const_x_0_plot.set_trigger_mode(bokehgui.TRIG_MODE_FREE, bokehgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
self.bokehgui_time_const_x_0_plot.enable_grid(False)
self.bokehgui_time_const_x_0_plot.enable_axis_labels(True)
self.bokehgui_time_const_x_0_plot.disable_legend(not True)
self.bokehgui_time_const_x_0_plot.set_layout(*((0,1,2,2)))
colors = ["blue", "red", "green", "black", "cyan",
"magenta", "yellow", "blue", "blue", "blue"]
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
markers = ['o', 'o', 'o', 'o', 'o',
'o', 'o', 'o', 'o', 'o']
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
for i in range( 1 ):
self.bokehgui_time_const_x_0_plot.format_line(i, colors[i], widths[i], 'None', markers[i], alphas[i])
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char*1, samp_rate/6,True)
self.blocks_tagged_stream_to_pdu_0_0_0 = blocks.tagged_stream_to_pdu(blocks.byte_t, 'packet_len')
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_0 = blocks.stream_to_tagged_stream(gr.sizeof_char, 1, packet_len, length_tag_key)
self.blocks_repack_bits_bb_0_0_0 = blocks.repack_bits_bb(8, 1, length_tag_key, False, gr.GR_LSB_FIRST)
self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb(1, bits_per_symbol, '', False, gr.GR_LSB_FIRST)
self.blocks_multiply_const_xx_0 = blocks.multiply_const_cc(0.01, 1)
self.analog_random_source_x_0_0 = blocks.vector_source_b(list(map(int, numpy.random.randint(0, 2, 1000))), True)
if self.widget_lst:
input_t = bokehgui.bokeh_layout.widgetbox(self.widget_lst)
widgetbox = bokehgui.bokeh_layout.WidgetLayout(input_t)
widgetbox.set_layout(*((0, 0, 2, 1)))
list_obj = [widgetbox] + self.plot_lst
else:
list_obj = self.plot_lst
layout_t = bokehgui.bokeh_layout.create_layout(list_obj, "fixed")
self.doc.add_root(layout_t)
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_tagged_stream_to_pdu_0_0_0, 'pdus'), (self.zeromq_pub_msg_sink_0_0, 'in'))
self.msg_connect((self.zeromq_sub_msg_source_0_1, 'out'), (self.learning_rl_mod_0, 'losses'))
self.connect((self.analog_random_source_x_0_0, 0), (self.fec_extended_encoder_1_0_0, 0))
self.connect((self.blocks_multiply_const_xx_0, 0), (self.uhd_usrp_sink_0, 0))
self.connect((self.blocks_repack_bits_bb_0_0, 0), (self.blocks_stream_to_tagged_stream_0_0, 0))
self.connect((self.blocks_repack_bits_bb_0_0_0, 0), (self.digital_chunks_to_symbols_xx_0, 0))
self.connect((self.blocks_stream_to_tagged_stream_0_0, 0), (self.digital_protocol_formatter_bb_0, 0))
self.connect((self.blocks_stream_to_tagged_stream_0_0, 0), (self.learning_tag_numerotation_0, 0))
self.connect((self.blocks_tagged_stream_mux_0, 0), (self.digital_ofdm_carrier_allocator_cvc_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.blocks_tagged_stream_to_pdu_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), (self.fft_vxx_0_0, 0))
self.connect((self.digital_ofdm_cyclic_prefixer_0, 0), (self.blocks_multiply_const_xx_0, 0))
self.connect((self.digital_protocol_formatter_bb_0, 0), (self.blocks_repack_bits_bb_0_0_0, 0))
self.connect((self.fec_extended_encoder_1_0_0, 0), (self.blocks_repack_bits_bb_0_0, 0))
self.connect((self.fft_vxx_0_0, 0), (self.digital_ofdm_cyclic_prefixer_0, 0))
self.connect((self.learning_rl_mod_0, 0), (self.blocks_tagged_stream_mux_0, 1))
self.connect((self.learning_rl_mod_0, 1), (self.bokehgui_time_const_x_0, 0))
self.connect((self.learning_tag_numerotation_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.learning_tag_numerotation_0, 0), (self.learning_rl_mod_0, 0))
def set_occupied_carriers(self, occupied_carriers):
self.occupied_carriers = occupied_carriers
self.set_hdr_format(digital.header_format_ofdm(self.occupied_carriers, 1, "packet_len",))
def __init__(self,
input_port_num="55555",
output_port_num="55556",
rx_bw=1e6,
rx_freq=2.2e9,
rx_gain=0.8,
serial_num="31C9237",
tx_bw=1e6,
tx_freq=2.2e9,
tx_gain=0.8):
gr.top_block.__init__(self, "tranceiver_ofdm_usrp_RS")
##################################################
# Parameters
##################################################
self.input_port_num = input_port_num
self.output_port_num = output_port_num
self.rx_bw = rx_bw
self.rx_freq = rx_freq
self.rx_gain = rx_gain
self.serial_num = serial_num
self.tx_bw = tx_bw
self.tx_freq = tx_freq
self.tx_gain = tx_gain
##################################################
# Variables
##################################################
self.packet_len = packet_len = 200
self.pilot_symbols = pilot_symbols = ((
1,
1,
1,
-1,
), )
self.pilot_carriers = pilot_carriers = ((
-21,
-7,
7,
21,
), )
self.payload_mod = payload_mod = digital.constellation_qpsk()
self.packet_length_tag_key = packet_length_tag_key = "packet_len"
self.occupied_carriers = occupied_carriers = (
list(range(-26, -21)) + list(range(-20, -7)) + list(range(-6, 0)) +
list(range(1, 7)) + list(range(8, 21)) + list(range(22, 27)), )
self.n = n = 255
self.length_tag_key = length_tag_key = "frame_len"
self.k = k = packet_len + 4
self.header_mod = header_mod = digital.constellation_bpsk()
self.fft_len = fft_len = 64
self.blocks_RS = blocks_RS = 1
self.t = t = int((n * blocks_RS - k) / 2)
self.sync_word2 = sync_word2 = [
0j, 0j, 0j, 0j, 0j, 0j, (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j),
(1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j),
(-1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j),
(-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j),
(-1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), 0j, (1 + 0j), (-1 + 0j),
(1 + 0j), (1 + 0j), (1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j),
(1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j),
(-1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j),
(-1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j),
0j, 0j, 0j, 0j, 0j
]
self.sync_word1 = sync_word1 = [
0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0.,
1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0.,
1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0.,
-1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
0., 0., 0., 0., 0.
]
self.samp_rate = samp_rate = 10000
self.rolloff = rolloff = 0
self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe(
fft_len, payload_mod.base(), occupied_carriers, pilot_carriers,
pilot_symbols, 1)
self.out_buf_size = out_buf_size = 0
self.header_formatter = header_formatter = digital.packet_header_ofdm(
occupied_carriers,
n_syms=1,
len_tag_key=packet_length_tag_key,
frame_len_tag_key=length_tag_key,
bits_per_header_sym=header_mod.bits_per_symbol(),
bits_per_payload_sym=payload_mod.bits_per_symbol(),
scramble_header=False)
self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe(
fft_len, header_mod.base(), occupied_carriers, pilot_carriers,
pilot_symbols)
self.hdr_format = hdr_format = digital.header_format_ofdm(
occupied_carriers,
1,
length_tag_key,
)
##################################################
# Blocks
##################################################
self.zeromq_sub_source_0 = zeromq.sub_source(
gr.sizeof_char, 1, "tcp://127.0.0.1:" + input_port_num, 100, False,
-1)
self.zeromq_pub_sink_0 = zeromq.pub_sink(gr.sizeof_char, 1,
"tcp://127.0.0.1:55556", 100,
False, -1)
self.uhd_usrp_source_0 = uhd.usrp_source(
",".join(("", "")),
uhd.stream_args(
cpu_format="fc32",
args='',
channels=list(range(0, 1)),
),
)
self.uhd_usrp_source_0.set_center_freq(rx_freq, 0)
self.uhd_usrp_source_0.set_normalized_gain(rx_gain, 0)
self.uhd_usrp_source_0.set_antenna('RX2', 0)
self.uhd_usrp_source_0.set_samp_rate(rx_bw)
self.uhd_usrp_source_0.set_time_now(uhd.time_spec(time.time()),
uhd.ALL_MBOARDS)
self.uhd_usrp_sink_0 = uhd.usrp_sink(
",".join(("", "")),
uhd.stream_args(
cpu_format="fc32",
args='',
channels=list(range(0, 1)),
),
packet_length_tag_key,
)
self.uhd_usrp_sink_0.set_center_freq(tx_freq, 0)
self.uhd_usrp_sink_0.set_normalized_gain(tx_gain, 0)
self.uhd_usrp_sink_0.set_antenna('TX/RX', 0)
self.uhd_usrp_sink_0.set_samp_rate(tx_bw)
self.uhd_usrp_sink_0.set_time_now(uhd.time_spec(time.time()),
uhd.ALL_MBOARDS)
self.foo_packet_pad2_0 = foo.packet_pad2(False, False, 0.001, 100,
1000)
self.fft_vxx_1 = fft.fft_vcc(fft_len, True, (), True, 1)
self.fft_vxx_0_0 = fft.fft_vcc(fft_len, False, (), True, 1)
self.fft_vxx_0 = fft.fft_vcc(fft_len, True, (), True, 1)
self.dtv_dvbt_reed_solomon_enc_0 = dtv.dvbt_reed_solomon_enc(
2, 8, 0x11d, n, k, t, 0, blocks_RS)
self.dtv_dvbt_reed_solomon_dec_0 = dtv.dvbt_reed_solomon_dec(
2, 8, 0x11d, n, k, t, 0, 1)
self.digital_protocol_formatter_bb_0 = digital.protocol_formatter_bb(
hdr_format, packet_length_tag_key)
self.digital_packet_headerparser_b_0 = digital.packet_headerparser_b(
header_formatter.base())
self.digital_ofdm_sync_sc_cfb_0 = digital.ofdm_sync_sc_cfb(
fft_len, fft_len // 4, False, 0.9)
self.digital_ofdm_serializer_vcc_payload = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key, packet_length_tag_key,
1, '', True)
self.digital_ofdm_serializer_vcc_header = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key, '', 0, '', True)
self.digital_ofdm_frame_equalizer_vcvc_1 = digital.ofdm_frame_equalizer_vcvc(
payload_equalizer.base(), fft_len // 4, length_tag_key, True, 0)
self.digital_ofdm_frame_equalizer_vcvc_0 = digital.ofdm_frame_equalizer_vcvc(
header_equalizer.base(), fft_len // 4, length_tag_key, True, 1)
self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer(
fft_len, fft_len + fft_len // 4, rolloff, packet_length_tag_key)
self.digital_ofdm_chanest_vcvc_0 = digital.ofdm_chanest_vcvc(
sync_word1, sync_word2, 1, 0, 3, False)
self.digital_ofdm_carrier_allocator_cvc_0 = digital.ofdm_carrier_allocator_cvc(
fft_len, occupied_carriers, pilot_carriers, pilot_symbols,
(sync_word1, sync_word2), packet_length_tag_key, True)
self.digital_header_payload_demux_0 = digital.header_payload_demux(
3, fft_len, fft_len // 4, length_tag_key, "", True,
gr.sizeof_gr_complex, "rx_time", samp_rate, (), 0)
self.digital_crc32_bb_0_0 = digital.crc32_bb(False,
packet_length_tag_key,
True)
self.digital_crc32_bb_0 = digital.crc32_bb(True, packet_length_tag_key,
True)
self.digital_constellation_decoder_cb_1 = digital.constellation_decoder_cb(
payload_mod.base())
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(
header_mod.base())
self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc(
payload_mod.points(), 1)
self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc(
header_mod.points(), 1)
self.blocks_vector_to_stream_0_0 = blocks.vector_to_stream(
gr.sizeof_char * 1, k)
self.blocks_vector_to_stream_0 = blocks.vector_to_stream(
gr.sizeof_char * 1, n)
self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux(
gr.sizeof_gr_complex * 1, packet_length_tag_key, 0)
self.blocks_tagged_stream_multiply_length_0_0 = blocks.tagged_stream_multiply_length(
gr.sizeof_char * 1, packet_length_tag_key, k / n)
self.blocks_tagged_stream_multiply_length_0 = blocks.tagged_stream_multiply_length(
gr.sizeof_char * 1, packet_length_tag_key, n / k)
self.blocks_stream_to_vector_1 = blocks.stream_to_vector(
gr.sizeof_char * 1, k)
self.blocks_stream_to_vector_0 = blocks.stream_to_vector(
gr.sizeof_char * 1, n)
self.blocks_stream_to_tagged_stream_0_0_0 = blocks.stream_to_tagged_stream(
gr.sizeof_char, 1, k, packet_length_tag_key)
self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(
gr.sizeof_char, 1, packet_len, packet_length_tag_key)
self.blocks_repack_bits_bb_0_1 = blocks.repack_bits_bb(
8, payload_mod.bits_per_symbol(), packet_length_tag_key, False,
gr.GR_LSB_FIRST)
self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb(
8, 1, packet_length_tag_key, False, gr.GR_LSB_FIRST)
self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(
payload_mod.bits_per_symbol(), 8, packet_length_tag_key, True,
gr.GR_LSB_FIRST)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_cc(0.05)
self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex * 1,
fft_len + fft_len // 4)
self.analog_frequency_modulator_fc_0 = analog.frequency_modulator_fc(
-2.0 / fft_len)
##################################################
# Connections
##################################################
self.msg_connect((self.digital_packet_headerparser_b_0, 'header_data'),
(self.digital_header_payload_demux_0, 'header_data'))
self.connect((self.analog_frequency_modulator_fc_0, 0),
(self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_delay_0, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.foo_packet_pad2_0, 0))
self.connect((self.blocks_multiply_xx_0, 0),
(self.digital_header_payload_demux_0, 0))
self.connect((self.blocks_repack_bits_bb_0, 0),
(self.blocks_stream_to_vector_0, 0))
self.connect((self.blocks_repack_bits_bb_0_0, 0),
(self.digital_chunks_to_symbols_xx_0, 0))
self.connect((self.blocks_repack_bits_bb_0_1, 0),
(self.digital_chunks_to_symbols_xx_0_0, 0))
self.connect((self.blocks_stream_to_tagged_stream_0, 0),
(self.digital_crc32_bb_0_0, 0))
self.connect((self.blocks_stream_to_tagged_stream_0_0_0, 0),
(self.blocks_tagged_stream_multiply_length_0_0, 0))
self.connect((self.blocks_stream_to_vector_0, 0),
(self.dtv_dvbt_reed_solomon_dec_0, 0))
self.connect((self.blocks_stream_to_vector_1, 0),
(self.dtv_dvbt_reed_solomon_enc_0, 0))
self.connect((self.blocks_tagged_stream_multiply_length_0, 0),
(self.blocks_repack_bits_bb_0_1, 0))
self.connect((self.blocks_tagged_stream_multiply_length_0, 0),
(self.digital_protocol_formatter_bb_0, 0))
self.connect((self.blocks_tagged_stream_multiply_length_0_0, 0),
(self.digital_crc32_bb_0, 0))
self.connect((self.blocks_tagged_stream_mux_0, 0),
(self.digital_ofdm_carrier_allocator_cvc_0, 0))
self.connect((self.blocks_vector_to_stream_0, 0),
(self.blocks_tagged_stream_multiply_length_0, 0))
self.connect((self.blocks_vector_to_stream_0_0, 0),
(self.blocks_stream_to_tagged_stream_0_0_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_0, 0),
(self.blocks_tagged_stream_mux_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_0_0, 0),
(self.blocks_tagged_stream_mux_0, 1))
self.connect((self.digital_constellation_decoder_cb_0, 0),
(self.digital_packet_headerparser_b_0, 0))
self.connect((self.digital_constellation_decoder_cb_1, 0),
(self.blocks_repack_bits_bb_0, 0))
self.connect((self.digital_crc32_bb_0, 0), (self.zeromq_pub_sink_0, 0))
self.connect((self.digital_crc32_bb_0_0, 0),
(self.blocks_stream_to_vector_1, 0))
self.connect((self.digital_header_payload_demux_0, 0),
(self.fft_vxx_0, 0))
self.connect((self.digital_header_payload_demux_0, 1),
(self.fft_vxx_1, 0))
self.connect((self.digital_ofdm_carrier_allocator_cvc_0, 0),
(self.fft_vxx_0_0, 0))
self.connect((self.digital_ofdm_chanest_vcvc_0, 0),
(self.digital_ofdm_frame_equalizer_vcvc_0, 0))
self.connect((self.digital_ofdm_cyclic_prefixer_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_0, 0),
(self.digital_ofdm_serializer_vcc_header, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_1, 0),
(self.digital_ofdm_serializer_vcc_payload, 0))
self.connect((self.digital_ofdm_serializer_vcc_header, 0),
(self.digital_constellation_decoder_cb_0, 0))
self.connect((self.digital_ofdm_serializer_vcc_payload, 0),
(self.digital_constellation_decoder_cb_1, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 0),
(self.analog_frequency_modulator_fc_0, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 1),
(self.digital_header_payload_demux_0, 1))
self.connect((self.digital_protocol_formatter_bb_0, 0),
(self.blocks_repack_bits_bb_0_0, 0))
self.connect((self.dtv_dvbt_reed_solomon_dec_0, 0),
(self.blocks_vector_to_stream_0_0, 0))
self.connect((self.dtv_dvbt_reed_solomon_enc_0, 0),
(self.blocks_vector_to_stream_0, 0))
self.connect((self.fft_vxx_0, 0),
(self.digital_ofdm_chanest_vcvc_0, 0))
self.connect((self.fft_vxx_0_0, 0),
(self.digital_ofdm_cyclic_prefixer_0, 0))
self.connect((self.fft_vxx_1, 0),
(self.digital_ofdm_frame_equalizer_vcvc_1, 0))
self.connect((self.foo_packet_pad2_0, 0), (self.uhd_usrp_sink_0, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.blocks_delay_0, 0))
self.connect((self.uhd_usrp_source_0, 0),
(self.digital_ofdm_sync_sc_cfb_0, 0))
self.connect((self.zeromq_sub_source_0, 0),
(self.blocks_stream_to_tagged_stream_0, 0))
def __init__(self):
gr.top_block.__init__(self, "OFDM Tx")
Qt.QWidget.__init__(self)
self.setWindowTitle("OFDM Tx")
qtgui.util.check_set_qss()
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "tx_ofdm_updated")
try:
if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
self.restoreGeometry(self.settings.value("geometry").toByteArray())
else:
self.restoreGeometry(self.settings.value("geometry"))
except:
pass
##################################################
# Variables
##################################################
self.pilot_symbols = pilot_symbols = ((1, 1, 1, -1,),)
self.pilot_carriers = pilot_carriers = ((-21, -7, 7, 21,),)
self.payload_mod = payload_mod = digital.constellation_bpsk()
self.packet_length_tag_key = packet_length_tag_key = "packet_len"
self.occupied_carriers = occupied_carriers = (list(range(-26, -21)) + list(range(-20, -7)) + list(range(-6, 0)) + list(range(1, 7)) + list(range(8, 21)) + list(range(22, 27)),)
self.length_tag_key = length_tag_key = "packet_len"
self.header_mod = header_mod = digital.constellation_bpsk()
self.fft_len = fft_len = 64
self.tx_probe = tx_probe = 0
self.sync_word2_0 = sync_word2_0 = [0j, 0j, 0j, 0j, 0j, 0j, (-1+0j), (-1+0j), (-1+0j), (-1+0j), (1+0j), (1+0j), (-1+0j), (-1+0j), (-1+0j), (1+0j), (-1+0j), (1+0j), (1+0j), (1 +0j), (1+0j), (1+0j), (-1+0j), (-1+0j), (-1+0j), (-1+0j), (-1+0j), (1+0j), (-1+0j), (-1+0j), (1+0j), (-1+0j), 0j, (1+0j), (-1+0j), (1+0j), (1+0j), (1+0j), (-1+0j), (1+0j), (1+0j), (1+0j), (-1+0j), (1+0j), (1+0j), (1+0j), (1+0j), (-1+0j), (1+0j), (-1+0j), (-1+0j), (-1+0j), (1+0j), (-1+0j), (1+0j), (-1+0j), (-1+0j), (-1+0j), (-1+0j), 0j, 0j, 0j, 0j, 0j]
self.sync_word2 = sync_word2 = [0, 0, 0, 0, 0, 0, -1, -1, -1, -1, 1, 1, -1, -1, -1, 1, -1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, 1, -1, -1, 1, -1, 0, 1, -1, 1, 1, 1, -1, 1, 1, 1, -1, 1, 1, 1, 1, -1, 1, -1, -1, -1, 1, -1, 1, -1, -1, -1, -1, 0, 0, 0, 0, 0]
self.sync_word1_0 = sync_word1_0 = [0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 0., 0., 0., 0., 0.]
self.sync_word1 = sync_word1 = [0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 0., 0., 0., 0., 0.]
self.samp_rate = samp_rate = 50000
self.rx_probe = rx_probe = 0
self.rolloff = rolloff = 0
self.pilot_symbols_0 = pilot_symbols_0 = ((1, 1, 1, -1,),)
self.pilot_carriers_0 = pilot_carriers_0 = ((-21, -7, 7, 21,),)
self.payload_mod_0 = payload_mod_0 = digital.constellation_qpsk()
self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe(fft_len, payload_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols, 1)
self.packet_len_0 = packet_len_0 = 96
self.packet_len = packet_len = 96
self.output_signal = output_signal = 0
self.og_signal_probe = og_signal_probe = 0
self.occupied_carriers_0 = occupied_carriers_0 = (list(range(-26, -21)) + list(range(-20, -7)) + list(range(-6, 0)) + list(range(1, 7)) + list(range(8, 21)) + list(range(22, 27)),)
self.length_tag_key_0 = length_tag_key_0 = "frame_len"
self.input_signal = input_signal = 0
self.header_mod_0 = header_mod_0 = digital.constellation_bpsk()
self.header_formatter = header_formatter = digital.packet_header_ofdm(occupied_carriers, n_syms=1, len_tag_key=packet_length_tag_key, frame_len_tag_key=length_tag_key, bits_per_header_sym=header_mod.bits_per_symbol(), bits_per_payload_sym=payload_mod.bits_per_symbol(), scramble_header=False)
self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe(fft_len, header_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols)
self.hdr_format = hdr_format = digital.header_format_ofdm(occupied_carriers, 1, length_tag_key,)
self.fft_len_0 = fft_len_0 = 64
self.decoded_probe = decoded_probe = 0
##################################################
# Blocks
##################################################
self.blocks_probe_signal_x_4 = blocks.probe_signal_c()
self.blocks_probe_signal_x_3 = blocks.probe_signal_c()
self.blocks_probe_signal_x_2 = blocks.probe_signal_b()
self.blocks_probe_signal_x_0_1 = blocks.probe_signal_b()
self.blocks_probe_signal_x_0_0_0 = blocks.probe_signal_c()
self.blocks_probe_signal_x_0_0 = blocks.probe_signal_c()
def _tx_probe_probe():
global transmitted_data
while True:
val = self.blocks_probe_signal_x_0_0.level()
transmitted_data = val
try:
self.set_tx_probe(val)
except AttributeError:
pass
time.sleep(1.0 / (10))
_tx_probe_thread = threading.Thread(target=_tx_probe_probe)
_tx_probe_thread.daemon = True
_tx_probe_thread.start()
def _rx_probe_probe():
global received_data
while True:
val = self.blocks_probe_signal_x_3.level()
received_data = val
try:
self.set_rx_probe(val)
except AttributeError:
pass
time.sleep(1.0 / (10))
_rx_probe_thread = threading.Thread(target=_rx_probe_probe)
_rx_probe_thread.daemon = True
_rx_probe_thread.start()
self.qtgui_time_sink_x_0_0 = qtgui.time_sink_c(
1024, #size
samp_rate, #samp_rate
'Scope Plot', #name
1 #number of inputs
)
self.qtgui_time_sink_x_0_0.set_update_time(0.10)
self.qtgui_time_sink_x_0_0.set_y_axis(-1, 1)
self.qtgui_time_sink_x_0_0.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_0_0.enable_tags(True)
self.qtgui_time_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
self.qtgui_time_sink_x_0_0.enable_autoscale(True)
self.qtgui_time_sink_x_0_0.enable_grid(False)
self.qtgui_time_sink_x_0_0.enable_axis_labels(True)
self.qtgui_time_sink_x_0_0.enable_control_panel(False)
self.qtgui_time_sink_x_0_0.enable_stem_plot(False)
labels = ['Scope Plot', '', '', '', '',
'', '', '', '', '']
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ['blue', 'red', 'green', 'black', 'cyan',
'magenta', 'yellow', 'dark red', 'dark green', 'dark blue']
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
styles = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1,
-1, -1, -1, -1, -1]
for i in range(2):
if len(labels[i]) == 0:
if (i % 2 == 0):
self.qtgui_time_sink_x_0_0.set_line_label(i, "Re{{Data {0}}}".format(i/2))
else:
self.qtgui_time_sink_x_0_0.set_line_label(i, "Im{{Data {0}}}".format(i/2))
else:
self.qtgui_time_sink_x_0_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_0_win)
self.qtgui_time_sink_x_0 = qtgui.time_sink_c(
1024, #size
samp_rate, #samp_rate
'Scope Plot', #name
1 #number of inputs
)
self.qtgui_time_sink_x_0.set_update_time(0.10)
self.qtgui_time_sink_x_0.set_y_axis(-1, 1)
self.qtgui_time_sink_x_0.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_0.enable_tags(True)
self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
self.qtgui_time_sink_x_0.enable_autoscale(True)
self.qtgui_time_sink_x_0.enable_grid(False)
self.qtgui_time_sink_x_0.enable_axis_labels(True)
self.qtgui_time_sink_x_0.enable_control_panel(False)
self.qtgui_time_sink_x_0.enable_stem_plot(False)
labels = ['Scope Plot', '', '', '', '',
'', '', '', '', '']
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ['blue', 'red', 'green', 'black', 'cyan',
'magenta', 'yellow', 'dark red', 'dark green', 'dark blue']
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
styles = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1,
-1, -1, -1, -1, -1]
for i in range(2):
if len(labels[i]) == 0:
if (i % 2 == 0):
self.qtgui_time_sink_x_0.set_line_label(i, "Re{{Data {0}}}".format(i/2))
else:
self.qtgui_time_sink_x_0.set_line_label(i, "Im{{Data {0}}}".format(i/2))
else:
self.qtgui_time_sink_x_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_win)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
'FFT Plot', #name
1
)
self.qtgui_freq_sink_x_0.set_update_time(0.10)
self.qtgui_freq_sink_x_0.set_y_axis(-140, 10)
self.qtgui_freq_sink_x_0.set_y_label('Relative Gain', 'dB')
self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "")
self.qtgui_freq_sink_x_0.enable_autoscale(True)
self.qtgui_freq_sink_x_0.enable_grid(False)
self.qtgui_freq_sink_x_0.set_fft_average(1.0)
self.qtgui_freq_sink_x_0.enable_axis_labels(True)
self.qtgui_freq_sink_x_0.enable_control_panel(False)
labels = ['', '', '', '', '',
'', '', '', '', '']
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ["blue", "red", "green", "black", "cyan",
"magenta", "yellow", "dark red", "dark green", "dark blue"]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
for i in range(1):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win)
def _output_signal_probe():
global output_data
while True:
val = self.blocks_probe_signal_x_0_1.level()
output_data = val
try:
self.set_output_signal(val)
except AttributeError:
pass
# time.sleep(1.0 / (10))
time.sleep(0.0911)
_output_signal_thread = threading.Thread(target=_output_signal_probe)
_output_signal_thread.daemon = True
_output_signal_thread.start()
def _og_signal_probe_probe():
global encoded_data
while True:
val = self.blocks_probe_signal_x_0_0_0.level()
encoded_data = val
try:
self.set_og_signal_probe(val)
except AttributeError:
pass
time.sleep(1.0 / (10))
_og_signal_probe_thread = threading.Thread(target=_og_signal_probe_probe)
_og_signal_probe_thread.daemon = True
_og_signal_probe_thread.start()
def _input_signal_probe():
global input_data
while True:
val = self.blocks_probe_signal_x_2.level()
input_data = val
try:
self.set_input_signal(val)
except AttributeError:
pass
time.sleep(1.0 / (10))
_input_signal_thread = threading.Thread(target=_input_signal_probe)
_input_signal_thread.daemon = True
_input_signal_thread.start()
self.fft_vxx_1 = fft.fft_vcc(fft_len, True, (), True, 1)
self.fft_vxx_0_0 = fft.fft_vcc(fft_len, True, (), True, 1)
self.fft_vxx_0 = fft.fft_vcc(fft_len, False, (), True, 1)
self.digital_protocol_formatter_bb_0 = digital.protocol_formatter_bb(hdr_format, length_tag_key)
self.digital_packet_headerparser_b_0 = digital.packet_headerparser_b(header_formatter.base())
self.digital_ofdm_sync_sc_cfb_0 = digital.ofdm_sync_sc_cfb(fft_len, fft_len//4, False, 0.9)
self.digital_ofdm_serializer_vcc_payload = digital.ofdm_serializer_vcc(fft_len, occupied_carriers, length_tag_key, packet_length_tag_key, 1, '', True)
self.digital_ofdm_serializer_vcc_header = digital.ofdm_serializer_vcc(fft_len, occupied_carriers, length_tag_key, '', 0, '', True)
self.digital_ofdm_frame_equalizer_vcvc_1 = digital.ofdm_frame_equalizer_vcvc(payload_equalizer.base(), fft_len//4, length_tag_key, True, 0)
self.digital_ofdm_frame_equalizer_vcvc_0 = digital.ofdm_frame_equalizer_vcvc(header_equalizer.base(), fft_len//4, length_tag_key, True, 1)
self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer(fft_len, fft_len + fft_len//4, rolloff, length_tag_key)
self.digital_ofdm_chanest_vcvc_0 = digital.ofdm_chanest_vcvc(sync_word1, sync_word2, 1, 0, 3, False)
self.digital_ofdm_carrier_allocator_cvc_0 = digital.ofdm_carrier_allocator_cvc( fft_len, occupied_carriers, pilot_carriers, pilot_symbols, (sync_word1, sync_word2), length_tag_key, True)
self.digital_header_payload_demux_0 = digital.header_payload_demux(
3,
fft_len,
fft_len//4,
length_tag_key,
"",
True,
gr.sizeof_gr_complex,
"rx_time",
samp_rate,
(),
0)
self.digital_crc32_bb_0_0 = digital.crc32_bb(True, packet_length_tag_key, True)
self.digital_crc32_bb_0 = digital.crc32_bb(False, length_tag_key, True)
self.digital_constellation_decoder_cb_1 = digital.constellation_decoder_cb(payload_mod.base())
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(header_mod.base())
self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc(payload_mod.points(), 1)
self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc(header_mod.points(), 1)
def _decoded_probe_probe():
global decoded_signal
while True:
val = self.blocks_probe_signal_x_4.level()
decoded_signal = val
try:
self.set_decoded_probe(val)
except AttributeError:
pass
# time.sleep(1.0 / (10))
time.sleep(0.0911)
_decoded_probe_thread = threading.Thread(target=_decoded_probe_probe)
_decoded_probe_thread.daemon = True
_decoded_probe_thread.start()
self.channels_channel_model_0_0 = channels.channel_model(
noise_voltage=0.15,
frequency_offset=0 * 1.0/fft_len,
epsilon=1.0,
taps=[1.0 + 1.0j],
noise_seed=0,
block_tags=True)
self.blocks_throttle_0_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux(gr.sizeof_gr_complex*1, length_tag_key, 0)
self.blocks_tag_gate_0 = blocks.tag_gate(gr.sizeof_gr_complex * 1, False)
self.blocks_tag_gate_0.set_single_key("")
self.blocks_tag_debug_1 = blocks.tag_debug(gr.sizeof_char*1, 'Rx Bytes', "")
self.blocks_tag_debug_1.set_display(True)
self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(gr.sizeof_char, 1, packet_len, length_tag_key)
self.blocks_repack_bits_bb_0_1 = blocks.repack_bits_bb(payload_mod.bits_per_symbol(), 8, packet_length_tag_key, True, gr.GR_LSB_FIRST)
self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb(8, 1, length_tag_key, False, gr.GR_LSB_FIRST)
self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(8, payload_mod.bits_per_symbol(), length_tag_key, False, gr.GR_LSB_FIRST)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_cc(0.05)
self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex*1, fft_len+fft_len//4)
self.analog_random_source_x_0 = blocks.vector_source_b(list(map(int, numpy.random.randint(0, 255, 1000))), True)
self.analog_frequency_modulator_fc_0 = analog.frequency_modulator_fc(-2.0/fft_len)
##################################################
# Connections
##################################################
self.msg_connect((self.digital_packet_headerparser_b_0, u'header_data'), (self.digital_header_payload_demux_0, u'header_data'))
self.connect((self.analog_frequency_modulator_fc_0, 0), (self.blocks_multiply_xx_0, 0))
self.connect((self.analog_random_source_x_0, 0), (self.blocks_probe_signal_x_2, 0))
self.connect((self.analog_random_source_x_0, 0), (self.blocks_stream_to_tagged_stream_0, 0))
self.connect((self.blocks_delay_0, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.blocks_tag_gate_0, 0))
self.connect((self.blocks_multiply_xx_0, 0), (self.digital_header_payload_demux_0, 0))
self.connect((self.blocks_repack_bits_bb_0, 0), (self.digital_chunks_to_symbols_xx_0_0, 0))
self.connect((self.blocks_repack_bits_bb_0_0, 0), (self.digital_chunks_to_symbols_xx_0, 0))
self.connect((self.blocks_repack_bits_bb_0_1, 0), (self.blocks_probe_signal_x_0_1, 0))
self.connect((self.blocks_repack_bits_bb_0_1, 0), (self.digital_crc32_bb_0_0, 0))
self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.digital_crc32_bb_0, 0))
self.connect((self.blocks_tag_gate_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_tagged_stream_mux_0, 0), (self.blocks_probe_signal_x_0_0_0, 0))
self.connect((self.blocks_tagged_stream_mux_0, 0), (self.digital_ofdm_carrier_allocator_cvc_0, 0))
self.connect((self.blocks_tagged_stream_mux_0, 0), (self.qtgui_time_sink_x_0_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.blocks_probe_signal_x_0_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.channels_channel_model_0_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.qtgui_freq_sink_x_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.qtgui_time_sink_x_0, 0))
self.connect((self.blocks_throttle_0_0, 0), (self.blocks_delay_0, 0))
self.connect((self.blocks_throttle_0_0, 0), (self.blocks_probe_signal_x_3, 0))
self.connect((self.blocks_throttle_0_0, 0), (self.digital_ofdm_sync_sc_cfb_0, 0))
self.connect((self.channels_channel_model_0_0, 0), (self.blocks_throttle_0_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_0, 0), (self.blocks_tagged_stream_mux_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_0_0, 0), (self.blocks_tagged_stream_mux_0, 1))
self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_packet_headerparser_b_0, 0))
self.connect((self.digital_constellation_decoder_cb_1, 0), (self.blocks_repack_bits_bb_0_1, 0))
self.connect((self.digital_crc32_bb_0, 0), (self.blocks_repack_bits_bb_0, 0))
self.connect((self.digital_crc32_bb_0, 0), (self.digital_protocol_formatter_bb_0, 0))
self.connect((self.digital_crc32_bb_0_0, 0), (self.blocks_tag_debug_1, 0))
self.connect((self.digital_header_payload_demux_0, 0), (self.fft_vxx_0_0, 0))
self.connect((self.digital_header_payload_demux_0, 1), (self.fft_vxx_1, 0))
self.connect((self.digital_ofdm_carrier_allocator_cvc_0, 0), (self.fft_vxx_0, 0))
self.connect((self.digital_ofdm_chanest_vcvc_0, 0), (self.digital_ofdm_frame_equalizer_vcvc_0, 0))
self.connect((self.digital_ofdm_cyclic_prefixer_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_0, 0), (self.digital_ofdm_serializer_vcc_header, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_1, 0), (self.digital_ofdm_serializer_vcc_payload, 0))
self.connect((self.digital_ofdm_serializer_vcc_header, 0), (self.digital_constellation_decoder_cb_0, 0))
self.connect((self.digital_ofdm_serializer_vcc_payload, 0), (self.blocks_probe_signal_x_4, 0))
self.connect((self.digital_ofdm_serializer_vcc_payload, 0), (self.digital_constellation_decoder_cb_1, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 0), (self.analog_frequency_modulator_fc_0, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 1), (self.digital_header_payload_demux_0, 1))
self.connect((self.digital_protocol_formatter_bb_0, 0), (self.blocks_repack_bits_bb_0_0, 0))
self.connect((self.fft_vxx_0, 0), (self.digital_ofdm_cyclic_prefixer_0, 0))
self.connect((self.fft_vxx_0_0, 0), (self.digital_ofdm_chanest_vcvc_0, 0))
self.connect((self.fft_vxx_1, 0), (self.digital_ofdm_frame_equalizer_vcvc_1, 0))
def __init__(self):
gr.top_block.__init__(self, "Split 1")
##################################################
# Variables
##################################################
self.pilot_carriers = pilot_carriers = ((-27, -14, -7, 7, 14, 27),)
self.pattern2 = pattern2 = [1, -1, 1, -1]
self.pattern1 = pattern1 = [0., 1.41421356, 0., -1.41421356]
self.occupied_carriers = occupied_carriers = (sorted(tuple(set([x for x in range(-26, 27)]) - set(pilot_carriers[0]) - set([0,]))),)
self.fft_len = fft_len = 64
self.zcpu = zcpu = psutil
self._xmlrpcport_config = ConfigParser.ConfigParser()
self._xmlrpcport_config.read('default')
try: xmlrpcport = self._xmlrpcport_config.getint("split1", "xmlrpcport")
except: xmlrpcport = 8080
self.xmlrpcport = xmlrpcport
self._usrpip_config = ConfigParser.ConfigParser()
self._usrpip_config.read('./default')
try: usrpip = self._usrpip_config.get("usrp_hydra", "ip")
except: usrpip = "127.0.0.1"
self.usrpip = usrpip
self._timeout_config = ConfigParser.ConfigParser()
self._timeout_config.read('./default')
try: timeout = self._timeout_config.getint("global", "zmqtimeout")
except: timeout = 100
self.timeout = timeout
self.sync_word2 = sync_word2 = [0., 0., 0., 0., 0., 0.,] + pattern2 * ((fft_len-12)/len(pattern2)) +[0., 0., 0., 0., 0., 0.,]
self.sync_word1 = sync_word1 = [0., 0., 0., 0., 0., 0.,] + pattern1 * ((fft_len-12)/len(pattern1)) +[0., 0., 0., 0., 0., 0.,]
self._rxport_config = ConfigParser.ConfigParser()
self._rxport_config.read('./default')
try: rxport = self._rxport_config.get("usrp_hydra", "rxport1")
except: rxport = "2666"
self.rxport = rxport
self.rateRx = rateRx = 0
self.rate1 = rate1 = 0
self.rate0 = rate0 = 0
self.pilot_symbols = pilot_symbols = ((-1,1, 1, -1, -1, -1),)
self._payloadport_config = ConfigParser.ConfigParser()
self._payloadport_config.read('./default')
try: payloadport = self._payloadport_config.get("split1", "payloadport")
except: payloadport = "2101"
self.payloadport = payloadport
self.payload_mod = payload_mod = digital.constellation_bpsk()
self._maxnoutput_config = ConfigParser.ConfigParser()
self._maxnoutput_config.read('./default')
try: maxnoutput = self._maxnoutput_config.getint("global", "maxnoutput")
except: maxnoutput = 100
self.maxnoutput = maxnoutput
self.iq_rxrate = iq_rxrate = 0
self._ip_config = ConfigParser.ConfigParser()
self._ip_config.read('./default')
try: ip = self._ip_config.get("split1", "ip")
except: ip = "127.0.0.1"
self.ip = ip
self._headerport_config = ConfigParser.ConfigParser()
self._headerport_config.read('./default')
try: headerport = self._headerport_config.get("split1", "headerport")
except: headerport = "2100"
self.headerport = headerport
self.header_mod = header_mod = digital.constellation_bpsk()
self.hdr_format = hdr_format = digital.header_format_ofdm(occupied_carriers, 1, "packet_len",)
self.cpu_percent = cpu_percent = 0
##################################################
# Blocks
##################################################
self.probe1_1_0 = blocks.probe_rate(gr.sizeof_char*1, 500.0, 0.15)
self.probe1_1 = blocks.probe_rate(gr.sizeof_char*1, 500.0, 0.15)
self.probe1_0 = blocks.probe_rate(gr.sizeof_char*1, 500.0, 0.15)
self.ziq_rxrate = blocks.probe_rate(gr.sizeof_gr_complex*1, 2000, 0.15)
self.zeromq_push_sink_1 = zeromq.push_sink(gr.sizeof_char, 1, "tcp://" + ip + ":" + payloadport, timeout, True, -1)
self.zeromq_push_sink_0 = zeromq.push_sink(gr.sizeof_char, 1, "tcp://" + ip + ":" + headerport, timeout, True, -1)
self.zeromq_pull_source_0 = zeromq.pull_source(gr.sizeof_gr_complex, 1, "tcp://" + usrpip + ":" + rxport, 100, True, -1)
self.xmlrpc_server_0 = SimpleXMLRPCServer.SimpleXMLRPCServer(('127.0.0.1', xmlrpcport), allow_none=True)
self.xmlrpc_server_0.register_instance(self)
self.xmlrpc_server_0_thread = threading.Thread(target=self.xmlrpc_server_0.serve_forever)
self.xmlrpc_server_0_thread.daemon = True
self.xmlrpc_server_0_thread.start()
def _rateRx_probe():
while True:
val = self.probe1_1_0.rate()
try:
self.set_rateRx(val)
except AttributeError:
pass
time.sleep(1.0 / (10))
_rateRx_thread = threading.Thread(target=_rateRx_probe)
_rateRx_thread.daemon = True
_rateRx_thread.start()
def _rate1_probe():
while True:
val = self.probe1_1.rate()
try:
self.set_rate1(val)
except AttributeError:
pass
time.sleep(1.0 / (10))
_rate1_thread = threading.Thread(target=_rate1_probe)
_rate1_thread.daemon = True
_rate1_thread.start()
def _rate0_probe():
while True:
val = self.probe1_0.rate()
try:
self.set_rate0(val)
except AttributeError:
pass
time.sleep(1.0 / (10))
_rate0_thread = threading.Thread(target=_rate0_probe)
_rate0_thread.daemon = True
_rate0_thread.start()
def _iq_rxrate_probe():
while True:
val = self.ziq_rxrate.rate()
try:
self.set_iq_rxrate(val)
except AttributeError:
pass
time.sleep(1.0 / (10))
_iq_rxrate_thread = threading.Thread(target=_iq_rxrate_probe)
_iq_rxrate_thread.daemon = True
_iq_rxrate_thread.start()
self.digital_protocol_formatter_bb_0 = digital.protocol_formatter_bb(hdr_format, "packet_len")
self.digital_ofdm_rx_0 = digital.ofdm_rx(
fft_len=fft_len, cp_len=16,
frame_length_tag_key='frame_'+"packet_len",
packet_length_tag_key="packet_len",
occupied_carriers=occupied_carriers,
pilot_carriers=pilot_carriers,
pilot_symbols=pilot_symbols,
sync_word1=sync_word1,
sync_word2=sync_word2,
bps_header=1,
bps_payload=1,
debug_log=False,
scramble_bits=False
)
self.digital_crc32_bb_0 = digital.crc32_bb(False, "packet_len", True)
def _cpu_percent_probe():
while True:
val = self.zcpu.cpu_percent()
try:
self.set_cpu_percent(val)
except AttributeError:
pass
time.sleep(1.0 / (1))
_cpu_percent_thread = threading.Thread(target=_cpu_percent_probe)
_cpu_percent_thread.daemon = True
_cpu_percent_thread.start()
self.blocks_throttle_0_0 = blocks.throttle(gr.sizeof_char*1, 200e3,True)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char*1, 200e3,True)
self.blocks_tag_debug_0 = blocks.tag_debug(gr.sizeof_char*1, "RX'd Packets", ""); self.blocks_tag_debug_0.set_display(True)
self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(gr.sizeof_char, 1, 100, "packet_len")
self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb(8, 1, "packet_len", False, gr.GR_LSB_FIRST)
self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(8, payload_mod.bits_per_symbol(), "packet_len", False, gr.GR_LSB_FIRST)
self.analog_random_source_x_0 = blocks.vector_source_b(map(int, numpy.random.randint(0, 100, 1000)), True)
##################################################
# Connections
##################################################
self.connect((self.analog_random_source_x_0, 0), (self.blocks_stream_to_tagged_stream_0, 0))
self.connect((self.blocks_repack_bits_bb_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_repack_bits_bb_0, 0), (self.probe1_1, 0))
self.connect((self.blocks_repack_bits_bb_0_0, 0), (self.probe1_0, 0))
self.connect((self.blocks_repack_bits_bb_0_0, 0), (self.zeromq_push_sink_0, 0))
self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.digital_crc32_bb_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.zeromq_push_sink_1, 0))
self.connect((self.blocks_throttle_0_0, 0), (self.blocks_repack_bits_bb_0_0, 0))
self.connect((self.digital_crc32_bb_0, 0), (self.blocks_repack_bits_bb_0, 0))
self.connect((self.digital_crc32_bb_0, 0), (self.digital_protocol_formatter_bb_0, 0))
self.connect((self.digital_ofdm_rx_0, 0), (self.blocks_tag_debug_0, 0))
self.connect((self.digital_ofdm_rx_0, 0), (self.probe1_1_0, 0))
self.connect((self.digital_protocol_formatter_bb_0, 0), (self.blocks_throttle_0_0, 0))
self.connect((self.zeromq_pull_source_0, 0), (self.digital_ofdm_rx_0, 0))
self.connect((self.zeromq_pull_source_0, 0), (self.ziq_rxrate, 0))
def __init__(self):
gr.top_block.__init__(self, "OFDM Tx")
Qt.QWidget.__init__(self)
self.setWindowTitle("OFDM Tx")
qtgui.util.check_set_qss()
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "ofdm_tx_virtualsource_qt")
self.restoreGeometry(
self.settings.value("geometry", type=QtCore.QByteArray))
##################################################
# 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 = 100000
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.hdr_format = hdr_format = digital.header_format_ofdm(
occupied_carriers,
1,
length_tag_key,
)
self.fft_len = fft_len = 64
##################################################
# Blocks
##################################################
self.qtgui_time_sink_x_0 = qtgui.time_sink_c(
1024, #size
samp_rate, #samp_rate
'Scope Plot', #name
1 #number of inputs
)
self.qtgui_time_sink_x_0.set_update_time(0.10)
self.qtgui_time_sink_x_0.set_y_axis(-1, 1)
self.qtgui_time_sink_x_0.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_0.enable_tags(-1, True)
self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS, 0.0, 0,
0, "")
self.qtgui_time_sink_x_0.enable_autoscale(True)
self.qtgui_time_sink_x_0.enable_grid(False)
self.qtgui_time_sink_x_0.enable_axis_labels(True)
self.qtgui_time_sink_x_0.enable_control_panel(False)
self.qtgui_time_sink_x_0.enable_stem_plot(False)
if not True:
self.qtgui_time_sink_x_0.disable_legend()
labels = ['Scope Plot', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "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):
if len(labels[i]) == 0:
if (i % 2 == 0):
self.qtgui_time_sink_x_0.set_line_label(
i, "Re{{Data {0}}}".format(i / 2))
else:
self.qtgui_time_sink_x_0.set_line_label(
i, "Im{{Data {0}}}".format(i / 2))
else:
self.qtgui_time_sink_x_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_win = sip.wrapinstance(
self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_win)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
'FFT Plot', #name
1 #number of inputs
)
self.qtgui_freq_sink_x_0.set_update_time(0.10)
self.qtgui_freq_sink_x_0.set_y_axis(-140, 10)
self.qtgui_freq_sink_x_0.set_y_label('Relative Gain', 'dB')
self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0,
"")
self.qtgui_freq_sink_x_0.enable_autoscale(True)
self.qtgui_freq_sink_x_0.enable_grid(False)
self.qtgui_freq_sink_x_0.set_fft_average(1.0)
self.qtgui_freq_sink_x_0.enable_axis_labels(True)
self.qtgui_freq_sink_x_0.enable_control_panel(False)
if not True:
self.qtgui_freq_sink_x_0.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_freq_sink_x_0.set_plot_pos_half(not True)
labels = ['', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "dark blue"
]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(
self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win)
self.qtgui_const_sink_x_0 = qtgui.const_sink_c(
1024, #size
"", #name
1 #number of inputs
)
self.qtgui_const_sink_x_0.set_update_time(0.10)
self.qtgui_const_sink_x_0.set_y_axis(-2, 2)
self.qtgui_const_sink_x_0.set_x_axis(-2, 2)
self.qtgui_const_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS, 0.0,
0, "")
self.qtgui_const_sink_x_0.enable_autoscale(False)
self.qtgui_const_sink_x_0.enable_grid(False)
self.qtgui_const_sink_x_0.enable_axis_labels(True)
if not True:
self.qtgui_const_sink_x_0.disable_legend()
labels = ['', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "red", "red", "red", "red", "red", "red", "red",
"red"
]
styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
markers = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_const_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_const_sink_x_0.set_line_label(i, labels[i])
self.qtgui_const_sink_x_0.set_line_width(i, widths[i])
self.qtgui_const_sink_x_0.set_line_color(i, colors[i])
self.qtgui_const_sink_x_0.set_line_style(i, styles[i])
self.qtgui_const_sink_x_0.set_line_marker(i, markers[i])
self.qtgui_const_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_const_sink_x_0_win = sip.wrapinstance(
self.qtgui_const_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_win)
self.fft_vxx_0 = fft.fft_vcc(fft_len, False, (()), True, 1)
self.digital_protocol_formatter_bb_0 = digital.protocol_formatter_bb(
hdr_format, length_tag_key)
self.digital_ofdm_rx_0 = digital.ofdm_rx(
fft_len=fft_len,
cp_len=fft_len / 4,
frame_length_tag_key='frame_' + "length",
packet_length_tag_key="length",
occupied_carriers=occupied_carriers,
pilot_carriers=pilot_carriers,
pilot_symbols=pilot_symbols,
sync_word1=sync_word1,
sync_word2=sync_word2,
bps_header=1,
bps_payload=2,
debug_log=False,
scramble_bits=False)
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.channels_channel_model_0 = channels.channel_model(
noise_voltage=0.0,
frequency_offset=0.0,
epsilon=1.0,
taps=(1.0 + 1.0j, ),
noise_seed=0,
block_tags=True)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
samp_rate, True)
self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux(
gr.sizeof_gr_complex * 1, length_tag_key, 0)
self.blocks_tag_gate_0 = blocks.tag_gate(gr.sizeof_gr_complex * 1,
False)
self.blocks_tag_gate_0.set_single_key("")
self.blocks_tag_debug_0 = blocks.tag_debug(gr.sizeof_char * 1,
"Rx'd Packets", "")
self.blocks_tag_debug_0.set_display(True)
self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(
gr.sizeof_char, 1, packet_len, length_tag_key)
self.blocks_repack_bits_bb_0_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_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_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_tag_gate_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_tagged_stream_mux_0, 0),
(self.digital_ofdm_carrier_allocator_cvc_0, 0))
self.connect((self.blocks_throttle_0, 0),
(self.channels_channel_model_0, 0))
self.connect((self.blocks_throttle_0, 0),
(self.qtgui_const_sink_x_0, 0))
self.connect((self.blocks_throttle_0, 0),
(self.qtgui_freq_sink_x_0, 0))
self.connect((self.blocks_throttle_0, 0),
(self.qtgui_time_sink_x_0, 0))
self.connect((self.channels_channel_model_0, 0),
(self.digital_ofdm_rx_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_ofdm_rx_0, 0), (self.blocks_tag_debug_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, "SECUNDARY")
Qt.QWidget.__init__(self)
self.setWindowTitle("SECUNDARY")
qtgui.util.check_set_qss()
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "secundary")
try:
if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
self.restoreGeometry(
self.settings.value("geometry").toByteArray())
else:
self.restoreGeometry(self.settings.value("geometry"))
except:
pass
##################################################
# Variables
##################################################
self.pilot_symbols = pilot_symbols = ((
1,
1,
1,
-1,
), )
self.pilot_carriers = pilot_carriers = ((
-21,
-7,
7,
21,
), )
self.payload_mod = payload_mod = digital.constellation_bpsk()
self.packet_length_tag_key = packet_length_tag_key = "packet_len"
self.occupied_carriers = occupied_carriers = (
list(range(-26, -21)) + list(range(-20, -7)) + list(range(-6, 0)) +
list(range(1, 7)) + list(range(8, 21)) + list(range(22, 27)), )
self.length_tag_key = length_tag_key = "packet_len"
self.header_mod = header_mod = digital.constellation_bpsk()
self.fft_len = fft_len = 64
self.tx_gain = tx_gain = 50
self.sync_word2 = sync_word2 = [
0, 0, 0, 0, 0, 0, -1, -1, -1, -1, 1, 1, -1, -1, -1, 1, -1, 1, 1, 1,
1, 1, -1, -1, -1, -1, -1, 1, -1, -1, 1, -1, 0, 1, -1, 1, 1, 1, -1,
1, 1, 1, -1, 1, 1, 1, 1, -1, 1, -1, -1, -1, 1, -1, 1, -1, -1, -1,
-1, 0, 0, 0, 0, 0
]
self.sync_word1 = sync_word1 = [
0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0.,
1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0.,
1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0.,
-1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
0., 0., 0., 0., 0.
]
self.samp_rate = samp_rate = 1000000
self.rx_gain = rx_gain = 50
self.rolloff = rolloff = 0
self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe(
fft_len, payload_mod.base(), occupied_carriers, pilot_carriers,
pilot_symbols, 1)
self.header_formatter = header_formatter = digital.packet_header_ofdm(
occupied_carriers,
n_syms=1,
len_tag_key=packet_length_tag_key,
frame_len_tag_key=length_tag_key,
bits_per_header_sym=header_mod.bits_per_symbol(),
bits_per_payload_sym=payload_mod.bits_per_symbol(),
scramble_header=False)
self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe(
fft_len, header_mod.base(), occupied_carriers, pilot_carriers,
pilot_symbols)
self.hdr_format = hdr_format = digital.header_format_ofdm(
occupied_carriers,
1,
length_tag_key,
)
##################################################
# Blocks
##################################################
self._tx_gain_tool_bar = Qt.QToolBar(self)
self._tx_gain_tool_bar.addWidget(Qt.QLabel('tx_gain' + ": "))
self._tx_gain_line_edit = Qt.QLineEdit(str(self.tx_gain))
self._tx_gain_tool_bar.addWidget(self._tx_gain_line_edit)
self._tx_gain_line_edit.returnPressed.connect(lambda: self.set_tx_gain(
eng_notation.str_to_num(str(self._tx_gain_line_edit.text()))))
self.top_layout.addWidget(self._tx_gain_tool_bar)
self._rx_gain_tool_bar = Qt.QToolBar(self)
self._rx_gain_tool_bar.addWidget(Qt.QLabel('rx_gain' + ": "))
self._rx_gain_line_edit = Qt.QLineEdit(str(self.rx_gain))
self._rx_gain_tool_bar.addWidget(self._rx_gain_line_edit)
self._rx_gain_line_edit.returnPressed.connect(lambda: self.set_rx_gain(
eng_notation.str_to_num(str(self._rx_gain_line_edit.text()))))
self.top_layout.addWidget(self._rx_gain_tool_bar)
self.uhd_usrp_source_0_0_1 = uhd.usrp_source(
",".join(('serial=F5C243', "")),
uhd.stream_args(
cpu_format="fc32",
args='',
channels=list(range(0, 1)),
),
)
self.uhd_usrp_source_0_0_1.set_center_freq(2400000000, 0)
self.uhd_usrp_source_0_0_1.set_gain(rx_gain, 0)
self.uhd_usrp_source_0_0_1.set_antenna('RX2', 0)
self.uhd_usrp_source_0_0_1.set_samp_rate(samp_rate)
self.uhd_usrp_source_0_0_1.set_time_unknown_pps(uhd.time_spec())
self.uhd_usrp_source_0_0 = uhd.usrp_source(
",".join(('serial=F5C234', "")),
uhd.stream_args(
cpu_format="fc32",
args='',
channels=list(range(0, 1)),
),
)
self.uhd_usrp_source_0_0.set_center_freq(2450000000, 0)
self.uhd_usrp_source_0_0.set_gain(rx_gain, 0)
self.uhd_usrp_source_0_0.set_antenna('RX2', 0)
self.uhd_usrp_source_0_0.set_samp_rate(samp_rate)
self.uhd_usrp_source_0_0.set_time_unknown_pps(uhd.time_spec())
self.uhd_usrp_sink_0_0 = uhd.usrp_sink(
",".join(('serial=F5C234', "")),
uhd.stream_args(
cpu_format="fc32",
args='',
channels=list(range(0, 1)),
),
length_tag_key,
)
self.uhd_usrp_sink_0_0.set_center_freq(2400000000, 0)
self.uhd_usrp_sink_0_0.set_gain(tx_gain, 0)
self.uhd_usrp_sink_0_0.set_antenna('TX/RX', 0)
self.uhd_usrp_sink_0_0.set_samp_rate(samp_rate)
self.uhd_usrp_sink_0_0.set_time_unknown_pps(uhd.time_spec())
self.uhd_usrp_sink_0 = uhd.usrp_sink(
",".join(('serial=F5C243', "")),
uhd.stream_args(
cpu_format="fc32",
args='',
channels=list(range(0, 1)),
),
length_tag_key,
)
self.uhd_usrp_sink_0.set_center_freq(2450000000, 0)
self.uhd_usrp_sink_0.set_gain(tx_gain, 0)
self.uhd_usrp_sink_0.set_antenna('TX/RX', 0)
self.uhd_usrp_sink_0.set_samp_rate(samp_rate)
self.uhd_usrp_sink_0.set_time_unknown_pps(uhd.time_spec())
self.qtgui_sink_x_0_0 = qtgui.sink_c(
64, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
4000000000, #fc
50000, #bw
'SECUNDARY RX', #name
True, #plotfreq
True, #plotwaterfall
True, #plottime
True #plotconst
)
self.qtgui_sink_x_0_0.set_update_time(1.0 / 10)
self._qtgui_sink_x_0_0_win = sip.wrapinstance(
self.qtgui_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.qtgui_sink_x_0_0.enable_rf_freq(False)
self.top_layout.addWidget(self._qtgui_sink_x_0_0_win)
self.fft_vxx_1_0_0_0_0_0 = fft.fft_vcc(fft_len, True, (), True, 1)
self.fft_vxx_1_0_0_0_0 = fft.fft_vcc(fft_len, True, (), True, 1)
self.fft_vxx_0_0_0_0_0_0_0 = fft.fft_vcc(fft_len, True, (), True, 1)
self.fft_vxx_0_0_0_0_0_0 = fft.fft_vcc(fft_len, True, (), True, 1)
self.fft_vxx_0_0 = fft.fft_vcc(fft_len, False, (), True, 1)
self.fft_vxx_0 = fft.fft_vcc(fft_len, False, (), True, 1)
self.epy_block_0_0 = epy_block_0_0.mac()
self.epy_block_0 = epy_block_0.mac()
self.digital_protocol_formatter_bb_0_0 = digital.protocol_formatter_bb(
hdr_format, length_tag_key)
self.digital_protocol_formatter_bb_0 = digital.protocol_formatter_bb(
hdr_format, length_tag_key)
self.digital_packet_headerparser_b_0_0_0_0_0_0 = digital.packet_headerparser_b(
header_formatter.base())
self.digital_packet_headerparser_b_0_0_0_0_0 = digital.packet_headerparser_b(
header_formatter.base())
self.digital_ofdm_sync_sc_cfb_0_0_0_0_0_0 = digital.ofdm_sync_sc_cfb(
fft_len, fft_len // 4, False, 0.9)
self.digital_ofdm_sync_sc_cfb_0_0_0_0_0 = digital.ofdm_sync_sc_cfb(
fft_len, fft_len // 4, False, 0.9)
self.digital_ofdm_serializer_vcc_payload_0_0_0_0_0 = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key, packet_length_tag_key,
1, '', True)
self.digital_ofdm_serializer_vcc_payload_0_0_0_0 = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key, packet_length_tag_key,
1, '', True)
self.digital_ofdm_serializer_vcc_header_0_0_0_0_0 = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key, '', 0, '', True)
self.digital_ofdm_serializer_vcc_header_0_0_0_0 = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key, '', 0, '', True)
self.digital_ofdm_frame_equalizer_vcvc_1_0_0_0_0_0 = digital.ofdm_frame_equalizer_vcvc(
payload_equalizer.base(), fft_len // 4, length_tag_key, True, 0)
self.digital_ofdm_frame_equalizer_vcvc_1_0_0_0_0 = digital.ofdm_frame_equalizer_vcvc(
payload_equalizer.base(), fft_len // 4, length_tag_key, True, 0)
self.digital_ofdm_frame_equalizer_vcvc_0_0_0_0_0_0 = digital.ofdm_frame_equalizer_vcvc(
header_equalizer.base(), fft_len // 4, length_tag_key, True, 1)
self.digital_ofdm_frame_equalizer_vcvc_0_0_0_0_0 = digital.ofdm_frame_equalizer_vcvc(
header_equalizer.base(), fft_len // 4, length_tag_key, True, 1)
self.digital_ofdm_cyclic_prefixer_0_0 = digital.ofdm_cyclic_prefixer(
fft_len, fft_len + fft_len // 4, rolloff, length_tag_key)
self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer(
fft_len, fft_len + fft_len // 4, rolloff, length_tag_key)
self.digital_ofdm_chanest_vcvc_0_0_0_0_0_0 = digital.ofdm_chanest_vcvc(
sync_word1, sync_word2, 1, 0, 3, False)
self.digital_ofdm_chanest_vcvc_0_0_0_0_0 = digital.ofdm_chanest_vcvc(
sync_word1, sync_word2, 1, 0, 3, False)
self.digital_ofdm_carrier_allocator_cvc_0_0 = digital.ofdm_carrier_allocator_cvc(
fft_len, occupied_carriers, pilot_carriers, pilot_symbols,
(sync_word1, sync_word2), length_tag_key, True)
self.digital_ofdm_carrier_allocator_cvc_0 = digital.ofdm_carrier_allocator_cvc(
fft_len, occupied_carriers, pilot_carriers, pilot_symbols,
(sync_word1, sync_word2), length_tag_key, True)
self.digital_header_payload_demux_0_0_0_0_0_0 = digital.header_payload_demux(
3, fft_len, fft_len // 4, length_tag_key, "", True,
gr.sizeof_gr_complex, "rx_time", samp_rate, (), 0)
self.digital_header_payload_demux_0_0_0_0_0 = digital.header_payload_demux(
3, fft_len, fft_len // 4, length_tag_key, "", True,
gr.sizeof_gr_complex, "rx_time", samp_rate, (), 0)
self.digital_constellation_decoder_cb_1_0_0_0_0_0 = digital.constellation_decoder_cb(
payload_mod.base())
self.digital_constellation_decoder_cb_1_0_0_0_0 = digital.constellation_decoder_cb(
payload_mod.base())
self.digital_constellation_decoder_cb_0_0_0_0_0_0 = digital.constellation_decoder_cb(
header_mod.base())
self.digital_constellation_decoder_cb_0_0_0_0_0 = digital.constellation_decoder_cb(
header_mod.base())
self.digital_chunks_to_symbols_xx_0_1 = digital.chunks_to_symbols_bc(
header_mod.points(), 1)
self.digital_chunks_to_symbols_xx_0_0_0 = digital.chunks_to_symbols_bc(
payload_mod.points(), 1)
self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc(
payload_mod.points(), 1)
self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc(
header_mod.points(), 1)
self.blocks_tagged_stream_to_pdu_0_0_0_0 = blocks.tagged_stream_to_pdu(
blocks.byte_t, length_tag_key)
self.blocks_tagged_stream_to_pdu_0_0_0 = blocks.tagged_stream_to_pdu(
blocks.byte_t, length_tag_key)
self.blocks_tagged_stream_mux_0_0 = blocks.tagged_stream_mux(
gr.sizeof_gr_complex * 1, length_tag_key, 0)
self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux(
gr.sizeof_gr_complex * 1, length_tag_key, 0)
self.blocks_tag_gate_0_0 = blocks.tag_gate(gr.sizeof_gr_complex * 1,
True)
self.blocks_tag_gate_0_0.set_single_key("")
self.blocks_tag_gate_0 = blocks.tag_gate(gr.sizeof_gr_complex * 1,
True)
self.blocks_tag_gate_0.set_single_key("")
self.blocks_repack_bits_bb_0_2_0 = blocks.repack_bits_bb(
8, payload_mod.bits_per_symbol(), length_tag_key, False,
gr.GR_LSB_FIRST)
self.blocks_repack_bits_bb_0_2 = blocks.repack_bits_bb(
8, payload_mod.bits_per_symbol(), length_tag_key, False,
gr.GR_LSB_FIRST)
self.blocks_repack_bits_bb_0_1_0_0_0_0_0 = blocks.repack_bits_bb(
payload_mod.bits_per_symbol(), 8, packet_length_tag_key, True,
gr.GR_LSB_FIRST)
self.blocks_repack_bits_bb_0_1_0_0_0_0 = blocks.repack_bits_bb(
payload_mod.bits_per_symbol(), 8, packet_length_tag_key, True,
gr.GR_LSB_FIRST)
self.blocks_repack_bits_bb_0_0_1_0 = blocks.repack_bits_bb(
8, 1, length_tag_key, False, gr.GR_LSB_FIRST)
self.blocks_repack_bits_bb_0_0_1 = blocks.repack_bits_bb(
8, 1, length_tag_key, False, gr.GR_LSB_FIRST)
self.blocks_pdu_to_tagged_stream_0_0_0 = blocks.pdu_to_tagged_stream(
blocks.byte_t, length_tag_key)
self.blocks_pdu_to_tagged_stream_0_0 = blocks.pdu_to_tagged_stream(
blocks.byte_t, length_tag_key)
self.blocks_multiply_xx_0_0_0_0_0_0 = blocks.multiply_vcc(1)
self.blocks_multiply_xx_0_0_0_0_0 = blocks.multiply_vcc(1)
self.blocks_multiply_const_vxx_0_0 = blocks.multiply_const_cc(50e-3)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_cc(50e-3)
self.blocks_message_strobe_0 = blocks.message_strobe(
pmt.intern("TEST"), 1000)
self.blocks_message_debug_0 = blocks.message_debug()
self.blocks_delay_0_0_0_0_0_0 = blocks.delay(gr.sizeof_gr_complex * 1,
fft_len + fft_len // 4)
self.blocks_delay_0_0_0_0_0 = blocks.delay(gr.sizeof_gr_complex * 1,
fft_len + fft_len // 4)
self.analog_frequency_modulator_fc_0_0_0_0_0_0 = analog.frequency_modulator_fc(
-2.0 / fft_len)
self.analog_frequency_modulator_fc_0_0_0_0_0 = analog.frequency_modulator_fc(
-2.0 / fft_len)
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_message_strobe_0, 'strobe'),
(self.epy_block_0_0, 'time_unit'))
self.msg_connect((self.blocks_tagged_stream_to_pdu_0_0_0, 'pdus'),
(self.blocks_message_debug_0, 'print_pdu'))
self.msg_connect((self.blocks_tagged_stream_to_pdu_0_0_0, 'pdus'),
(self.epy_block_0_0, 'ack'))
self.msg_connect((self.blocks_tagged_stream_to_pdu_0_0_0_0, 'pdus'),
(self.epy_block_0, 'packet'))
self.msg_connect(
(self.digital_packet_headerparser_b_0_0_0_0_0, 'header_data'),
(self.digital_header_payload_demux_0_0_0_0_0, 'header_data'))
self.msg_connect(
(self.digital_packet_headerparser_b_0_0_0_0_0_0, 'header_data'),
(self.digital_header_payload_demux_0_0_0_0_0_0, 'header_data'))
self.msg_connect((self.epy_block_0, 'ack'),
(self.blocks_pdu_to_tagged_stream_0_0, 'pdus'))
self.msg_connect((self.epy_block_0_0, 'transmit_packet'),
(self.blocks_pdu_to_tagged_stream_0_0_0, 'pdus'))
self.msg_connect((self.epy_block_0_0, 'channel_up'),
(self.uhd_usrp_sink_0_0, 'command'))
self.msg_connect((self.epy_block_0_0, 'channel_down'),
(self.uhd_usrp_source_0_0, 'command'))
self.connect((self.analog_frequency_modulator_fc_0_0_0_0_0, 0),
(self.blocks_multiply_xx_0_0_0_0_0, 0))
self.connect((self.analog_frequency_modulator_fc_0_0_0_0_0_0, 0),
(self.blocks_multiply_xx_0_0_0_0_0_0, 0))
self.connect((self.blocks_delay_0_0_0_0_0, 0),
(self.blocks_multiply_xx_0_0_0_0_0, 1))
self.connect((self.blocks_delay_0_0_0_0_0_0, 0),
(self.blocks_multiply_xx_0_0_0_0_0_0, 1))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.blocks_tag_gate_0, 0))
self.connect((self.blocks_multiply_const_vxx_0_0, 0),
(self.blocks_tag_gate_0_0, 0))
self.connect((self.blocks_multiply_xx_0_0_0_0_0, 0),
(self.digital_header_payload_demux_0_0_0_0_0, 0))
self.connect((self.blocks_multiply_xx_0_0_0_0_0_0, 0),
(self.digital_header_payload_demux_0_0_0_0_0_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_0_0, 0),
(self.blocks_repack_bits_bb_0_2, 0))
self.connect((self.blocks_pdu_to_tagged_stream_0_0, 0),
(self.digital_protocol_formatter_bb_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_0_0_0, 0),
(self.blocks_repack_bits_bb_0_2_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_0_0_0, 0),
(self.digital_protocol_formatter_bb_0_0, 0))
self.connect((self.blocks_repack_bits_bb_0_0_1, 0),
(self.digital_chunks_to_symbols_xx_0, 0))
self.connect((self.blocks_repack_bits_bb_0_0_1_0, 0),
(self.digital_chunks_to_symbols_xx_0_1, 0))
self.connect((self.blocks_repack_bits_bb_0_1_0_0_0_0, 0),
(self.blocks_tagged_stream_to_pdu_0_0_0, 0))
self.connect((self.blocks_repack_bits_bb_0_1_0_0_0_0_0, 0),
(self.blocks_tagged_stream_to_pdu_0_0_0_0, 0))
self.connect((self.blocks_repack_bits_bb_0_2, 0),
(self.digital_chunks_to_symbols_xx_0_0, 0))
self.connect((self.blocks_repack_bits_bb_0_2_0, 0),
(self.digital_chunks_to_symbols_xx_0_0_0, 0))
self.connect((self.blocks_tag_gate_0, 0), (self.uhd_usrp_sink_0, 0))
self.connect((self.blocks_tag_gate_0_0, 0),
(self.uhd_usrp_sink_0_0, 0))
self.connect((self.blocks_tagged_stream_mux_0, 0),
(self.digital_ofdm_carrier_allocator_cvc_0, 0))
self.connect((self.blocks_tagged_stream_mux_0_0, 0),
(self.digital_ofdm_carrier_allocator_cvc_0_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_0, 0),
(self.blocks_tagged_stream_mux_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_0_0, 0),
(self.blocks_tagged_stream_mux_0, 1))
self.connect((self.digital_chunks_to_symbols_xx_0_0_0, 0),
(self.blocks_tagged_stream_mux_0_0, 1))
self.connect((self.digital_chunks_to_symbols_xx_0_1, 0),
(self.blocks_tagged_stream_mux_0_0, 0))
self.connect((self.digital_constellation_decoder_cb_0_0_0_0_0, 0),
(self.digital_packet_headerparser_b_0_0_0_0_0, 0))
self.connect((self.digital_constellation_decoder_cb_0_0_0_0_0_0, 0),
(self.digital_packet_headerparser_b_0_0_0_0_0_0, 0))
self.connect((self.digital_constellation_decoder_cb_1_0_0_0_0, 0),
(self.blocks_repack_bits_bb_0_1_0_0_0_0, 0))
self.connect((self.digital_constellation_decoder_cb_1_0_0_0_0_0, 0),
(self.blocks_repack_bits_bb_0_1_0_0_0_0_0, 0))
self.connect((self.digital_header_payload_demux_0_0_0_0_0, 0),
(self.fft_vxx_0_0_0_0_0_0, 0))
self.connect((self.digital_header_payload_demux_0_0_0_0_0, 1),
(self.fft_vxx_1_0_0_0_0, 0))
self.connect((self.digital_header_payload_demux_0_0_0_0_0_0, 0),
(self.fft_vxx_0_0_0_0_0_0_0, 0))
self.connect((self.digital_header_payload_demux_0_0_0_0_0_0, 1),
(self.fft_vxx_1_0_0_0_0_0, 0))
self.connect((self.digital_ofdm_carrier_allocator_cvc_0, 0),
(self.fft_vxx_0, 0))
self.connect((self.digital_ofdm_carrier_allocator_cvc_0_0, 0),
(self.fft_vxx_0_0, 0))
self.connect((self.digital_ofdm_chanest_vcvc_0_0_0_0_0, 0),
(self.digital_ofdm_frame_equalizer_vcvc_0_0_0_0_0, 0))
self.connect((self.digital_ofdm_chanest_vcvc_0_0_0_0_0_0, 0),
(self.digital_ofdm_frame_equalizer_vcvc_0_0_0_0_0_0, 0))
self.connect((self.digital_ofdm_cyclic_prefixer_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.digital_ofdm_cyclic_prefixer_0_0, 0),
(self.blocks_multiply_const_vxx_0_0, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_0_0_0_0_0, 0),
(self.digital_ofdm_serializer_vcc_header_0_0_0_0, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_0_0_0_0_0_0, 0),
(self.digital_ofdm_serializer_vcc_header_0_0_0_0_0, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_1_0_0_0_0, 0),
(self.digital_ofdm_serializer_vcc_payload_0_0_0_0, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_1_0_0_0_0_0, 0),
(self.digital_ofdm_serializer_vcc_payload_0_0_0_0_0, 0))
self.connect((self.digital_ofdm_serializer_vcc_header_0_0_0_0, 0),
(self.digital_constellation_decoder_cb_0_0_0_0_0, 0))
self.connect((self.digital_ofdm_serializer_vcc_header_0_0_0_0_0, 0),
(self.digital_constellation_decoder_cb_0_0_0_0_0_0, 0))
self.connect((self.digital_ofdm_serializer_vcc_payload_0_0_0_0, 0),
(self.digital_constellation_decoder_cb_1_0_0_0_0, 0))
self.connect((self.digital_ofdm_serializer_vcc_payload_0_0_0_0_0, 0),
(self.digital_constellation_decoder_cb_1_0_0_0_0_0, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0_0_0_0_0, 0),
(self.analog_frequency_modulator_fc_0_0_0_0_0, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0_0_0_0_0, 1),
(self.digital_header_payload_demux_0_0_0_0_0, 1))
self.connect((self.digital_ofdm_sync_sc_cfb_0_0_0_0_0_0, 0),
(self.analog_frequency_modulator_fc_0_0_0_0_0_0, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0_0_0_0_0_0, 1),
(self.digital_header_payload_demux_0_0_0_0_0_0, 1))
self.connect((self.digital_protocol_formatter_bb_0, 0),
(self.blocks_repack_bits_bb_0_0_1, 0))
self.connect((self.digital_protocol_formatter_bb_0_0, 0),
(self.blocks_repack_bits_bb_0_0_1_0, 0))
self.connect((self.fft_vxx_0, 0),
(self.digital_ofdm_cyclic_prefixer_0, 0))
self.connect((self.fft_vxx_0_0, 0),
(self.digital_ofdm_cyclic_prefixer_0_0, 0))
self.connect((self.fft_vxx_0_0_0_0_0_0, 0),
(self.digital_ofdm_chanest_vcvc_0_0_0_0_0, 0))
self.connect((self.fft_vxx_0_0_0_0_0_0_0, 0),
(self.digital_ofdm_chanest_vcvc_0_0_0_0_0_0, 0))
self.connect((self.fft_vxx_1_0_0_0_0, 0),
(self.digital_ofdm_frame_equalizer_vcvc_1_0_0_0_0, 0))
self.connect((self.fft_vxx_1_0_0_0_0_0, 0),
(self.digital_ofdm_frame_equalizer_vcvc_1_0_0_0_0_0, 0))
self.connect((self.uhd_usrp_source_0_0, 0),
(self.blocks_delay_0_0_0_0_0, 0))
self.connect((self.uhd_usrp_source_0_0, 0),
(self.digital_ofdm_sync_sc_cfb_0_0_0_0_0, 0))
self.connect((self.uhd_usrp_source_0_0, 0), (self.qtgui_sink_x_0_0, 0))
self.connect((self.uhd_usrp_source_0_0_1, 0),
(self.blocks_delay_0_0_0_0_0_0, 0))
self.connect((self.uhd_usrp_source_0_0_1, 0),
(self.digital_ofdm_sync_sc_cfb_0_0_0_0_0_0, 0))
def __init__(self):
gr.top_block.__init__(self, "OFDM Tx")
Qt.QWidget.__init__(self)
self.setWindowTitle("OFDM Tx")
qtgui.util.check_set_qss()
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "tx_ofdm")
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 = "packet_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 = 100000
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)
self.hdr_format = hdr_format = digital.header_format_ofdm(occupied_carriers, 1, length_tag_key,)
##################################################
# Blocks
##################################################
self.qtgui_time_sink_x_1 = qtgui.time_sink_f(
20, #size
samp_rate, #samp_rate
"", #name
1 #number of inputs
)
self.qtgui_time_sink_x_1.set_update_time(0.10)
self.qtgui_time_sink_x_1.set_y_axis(-1, 1)
self.qtgui_time_sink_x_1.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_1.enable_tags(-1, True)
self.qtgui_time_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
self.qtgui_time_sink_x_1.enable_autoscale(True)
self.qtgui_time_sink_x_1.enable_grid(False)
self.qtgui_time_sink_x_1.enable_axis_labels(True)
self.qtgui_time_sink_x_1.enable_control_panel(False)
if not True:
self.qtgui_time_sink_x_1.disable_legend()
labels = ['', '', '', '', '',
'', '', '', '', '']
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ["blue", "red", "green", "black", "cyan",
"magenta", "yellow", "dark red", "dark green", "blue"]
styles = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1,
-1, -1, -1, -1, -1]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_time_sink_x_1.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_1.set_line_label(i, labels[i])
self.qtgui_time_sink_x_1.set_line_width(i, widths[i])
self.qtgui_time_sink_x_1.set_line_color(i, colors[i])
self.qtgui_time_sink_x_1.set_line_style(i, styles[i])
self.qtgui_time_sink_x_1.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_1.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_1_win = sip.wrapinstance(self.qtgui_time_sink_x_1.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_time_sink_x_1_win)
self.qtgui_time_sink_x_0_0_0 = qtgui.time_sink_f(
200, #size
samp_rate, #samp_rate
"É ESTE", #name
1 #number of inputs
)
self.qtgui_time_sink_x_0_0_0.set_update_time(0.10)
self.qtgui_time_sink_x_0_0_0.set_y_axis(-1, 2)
self.qtgui_time_sink_x_0_0_0.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_0_0_0.enable_tags(-1, True)
self.qtgui_time_sink_x_0_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
self.qtgui_time_sink_x_0_0_0.enable_autoscale(True)
self.qtgui_time_sink_x_0_0_0.enable_grid(False)
self.qtgui_time_sink_x_0_0_0.enable_axis_labels(True)
self.qtgui_time_sink_x_0_0_0.enable_control_panel(False)
if not True:
self.qtgui_time_sink_x_0_0_0.disable_legend()
labels = ['', '', '', '', '',
'', '', '', '', '']
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ["blue", "red", "green", "black", "cyan",
"magenta", "yellow", "dark red", "dark green", "blue"]
styles = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1,
-1, -1, -1, -1, -1]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_time_sink_x_0_0_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_0_0_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0_0_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0_0_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0_0_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0_0_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0_0_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_0_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0_0_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_time_sink_x_0_0_0_win)
self.qtgui_time_sink_x_0 = qtgui.time_sink_c(
1024, #size
samp_rate, #samp_rate
'Scope Plot', #name
1 #number of inputs
)
self.qtgui_time_sink_x_0.set_update_time(0.10)
self.qtgui_time_sink_x_0.set_y_axis(-1, 1)
self.qtgui_time_sink_x_0.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_0.enable_tags(-1, True)
self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
self.qtgui_time_sink_x_0.enable_autoscale(True)
self.qtgui_time_sink_x_0.enable_grid(False)
self.qtgui_time_sink_x_0.enable_axis_labels(True)
self.qtgui_time_sink_x_0.enable_control_panel(False)
if not True:
self.qtgui_time_sink_x_0.disable_legend()
labels = ['Scope Plot', '', '', '', '',
'', '', '', '', '']
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ["blue", "red", "green", "black", "cyan",
"magenta", "yellow", "dark red", "dark green", "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):
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.meu_qpsk_modulator_adapt_cb_0 = meu.qpsk_modulator_adapt_cb()
self.meu_qpsk_demod_adapt_cb_0 = meu.qpsk_demod_adapt_cb()
self.meu_phase_finder_vci_0 = meu.phase_finder_vci(fft_len/4, fft_len)
self.fft_vxx_1 = fft.fft_vcc(fft_len, True, (), True, 1)
self.fft_vxx_0_0 = fft.fft_vcc(fft_len, True, (()), True, 1)
self.fft_vxx_0 = fft.fft_vcc(fft_len, False, (()), True, 1)
self.digital_protocol_formatter_bb_0 = digital.protocol_formatter_bb(hdr_format, length_tag_key)
self.digital_packet_headerparser_b_0 = digital.packet_headerparser_b(header_formatter.base())
self.digital_ofdm_sync_sc_cfb_0 = digital.ofdm_sync_sc_cfb(fft_len, fft_len/4, False)
self.digital_ofdm_serializer_vcc_payload = digital.ofdm_serializer_vcc(fft_len, occupied_carriers, length_tag_key, packet_length_tag_key, 1, '', True)
self.digital_ofdm_serializer_vcc_header = digital.ofdm_serializer_vcc(fft_len, occupied_carriers, length_tag_key, '', 0, '', True)
self.digital_ofdm_frame_equalizer_vcvc_1 = digital.ofdm_frame_equalizer_vcvc(payload_equalizer.base(), fft_len/4, length_tag_key, True, 0)
self.digital_ofdm_frame_equalizer_vcvc_0 = digital.ofdm_frame_equalizer_vcvc(header_equalizer.base(), fft_len/4, length_tag_key, True, 1)
self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer(fft_len, fft_len+fft_len/4, rolloff, length_tag_key)
self.digital_ofdm_chanest_vcvc_0 = digital.ofdm_chanest_vcvc((sync_word1), (sync_word2), 1, 0, 3, False)
self.digital_ofdm_carrier_allocator_cvc_0 = digital.ofdm_carrier_allocator_cvc(fft_len, occupied_carriers, pilot_carriers, pilot_symbols, (sync_word1, sync_word2), length_tag_key)
self.digital_header_payload_demux_0 = digital.header_payload_demux(
3,
fft_len,
fft_len/4,
length_tag_key,
"",
True,
gr.sizeof_gr_complex,
"rx_time",
samp_rate,
(),
0,
)
self.digital_crc32_bb_0_0 = digital.crc32_bb(True, packet_length_tag_key, False)
self.digital_crc32_bb_0 = digital.crc32_bb(False, length_tag_key, True)
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(header_mod.base())
self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc((header_mod.points()), 1)
self.channels_channel_model_0_0 = channels.channel_model(
noise_voltage=100e-12,
frequency_offset=1,
epsilon=1.0,
taps=(1.0, ),
noise_seed=0,
block_tags=True
)
self.blocks_uchar_to_float_0_0 = blocks.uchar_to_float()
self.blocks_throttle_0_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux(gr.sizeof_gr_complex*1, length_tag_key, 0)
self.blocks_tag_gate_0 = blocks.tag_gate(gr.sizeof_gr_complex * 1, False)
self.blocks_tag_gate_0.set_single_key("")
self.blocks_tag_debug_1 = blocks.tag_debug(gr.sizeof_char*1, 'Rx Bytes', ""); self.blocks_tag_debug_1.set_display(True)
self.blocks_tag_debug_0 = blocks.tag_debug(gr.sizeof_gr_complex*1, '', ""); self.blocks_tag_debug_0.set_display(True)
self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(gr.sizeof_char, 1, packet_len, length_tag_key)
self.blocks_repack_bits_bb_0_0_0 = blocks.repack_bits_bb(payload_mod.bits_per_symbol(), 8, packet_length_tag_key, True, gr.GR_LSB_FIRST)
self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb(8, 1, length_tag_key, False, gr.GR_LSB_FIRST)
self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(8, payload_mod.bits_per_symbol(), length_tag_key, False, gr.GR_LSB_FIRST)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((0.05, ))
self.blocks_int_to_float_0 = blocks.int_to_float(1, 1)
self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex*1, fft_len+fft_len/4)
self.analog_random_source_x_0 = blocks.vector_source_b(map(int, numpy.random.randint(0, 255, 1000)), True)
self.analog_frequency_modulator_fc_0 = analog.frequency_modulator_fc(-2.0/fft_len)
self.analog_const_source_x_0_0 = analog.sig_source_i(0, analog.GR_CONST_WAVE, 0, 0, 1)
self.analog_const_source_x_0 = analog.sig_source_i(0, analog.GR_CONST_WAVE, 0, 0, 1)
##################################################
# Connections
##################################################
self.msg_connect((self.digital_packet_headerparser_b_0, 'header_data'), (self.digital_header_payload_demux_0, 'header_data'))
self.connect((self.analog_const_source_x_0, 0), (self.meu_qpsk_modulator_adapt_cb_0, 1))
self.connect((self.analog_const_source_x_0_0, 0), (self.meu_qpsk_demod_adapt_cb_0, 1))
self.connect((self.analog_frequency_modulator_fc_0, 0), (self.blocks_multiply_xx_0, 0))
self.connect((self.analog_random_source_x_0, 0), (self.blocks_stream_to_tagged_stream_0, 0))
self.connect((self.blocks_delay_0, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_int_to_float_0, 0), (self.qtgui_time_sink_x_1, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.blocks_tag_gate_0, 0))
self.connect((self.blocks_multiply_xx_0, 0), (self.digital_header_payload_demux_0, 0))
self.connect((self.blocks_repack_bits_bb_0, 0), (self.meu_qpsk_modulator_adapt_cb_0, 0))
self.connect((self.blocks_repack_bits_bb_0_0, 0), (self.digital_chunks_to_symbols_xx_0, 0))
self.connect((self.blocks_repack_bits_bb_0_0_0, 0), (self.blocks_uchar_to_float_0_0, 0))
self.connect((self.blocks_repack_bits_bb_0_0_0, 0), (self.digital_crc32_bb_0_0, 0))
self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.digital_crc32_bb_0, 0))
self.connect((self.blocks_tag_gate_0, 0), (self.channels_channel_model_0_0, 0))
self.connect((self.blocks_tag_gate_0, 0), (self.qtgui_time_sink_x_0, 0))
self.connect((self.blocks_tagged_stream_mux_0, 0), (self.digital_ofdm_carrier_allocator_cvc_0, 0))
self.connect((self.blocks_throttle_0_0, 0), (self.blocks_delay_0, 0))
self.connect((self.blocks_throttle_0_0, 0), (self.digital_ofdm_sync_sc_cfb_0, 0))
self.connect((self.blocks_uchar_to_float_0_0, 0), (self.qtgui_time_sink_x_0_0_0, 0))
self.connect((self.channels_channel_model_0_0, 0), (self.blocks_throttle_0_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_0, 0), (self.blocks_tagged_stream_mux_0, 0))
self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_packet_headerparser_b_0, 0))
self.connect((self.digital_crc32_bb_0, 0), (self.blocks_repack_bits_bb_0, 0))
self.connect((self.digital_crc32_bb_0, 0), (self.digital_protocol_formatter_bb_0, 0))
self.connect((self.digital_crc32_bb_0_0, 0), (self.blocks_tag_debug_1, 0))
self.connect((self.digital_header_payload_demux_0, 0), (self.fft_vxx_0_0, 0))
self.connect((self.digital_header_payload_demux_0, 1), (self.fft_vxx_1, 0))
self.connect((self.digital_ofdm_carrier_allocator_cvc_0, 0), (self.fft_vxx_0, 0))
self.connect((self.digital_ofdm_chanest_vcvc_0, 0), (self.digital_ofdm_frame_equalizer_vcvc_0, 0))
self.connect((self.digital_ofdm_chanest_vcvc_0, 0), (self.meu_phase_finder_vci_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.blocks_tag_debug_0, 0))
self.connect((self.digital_ofdm_serializer_vcc_header, 0), (self.digital_constellation_decoder_cb_0, 0))
self.connect((self.digital_ofdm_serializer_vcc_payload, 0), (self.meu_qpsk_demod_adapt_cb_0, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 0), (self.analog_frequency_modulator_fc_0, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 1), (self.digital_header_payload_demux_0, 1))
self.connect((self.digital_protocol_formatter_bb_0, 0), (self.blocks_repack_bits_bb_0_0, 0))
self.connect((self.fft_vxx_0, 0), (self.digital_ofdm_cyclic_prefixer_0, 0))
self.connect((self.fft_vxx_0_0, 0), (self.digital_ofdm_chanest_vcvc_0, 0))
self.connect((self.fft_vxx_1, 0), (self.digital_ofdm_frame_equalizer_vcvc_1, 0))
self.connect((self.meu_phase_finder_vci_0, 0), (self.blocks_int_to_float_0, 0))
self.connect((self.meu_qpsk_demod_adapt_cb_0, 0), (self.blocks_repack_bits_bb_0_0_0, 0))
self.connect((self.meu_qpsk_modulator_adapt_cb_0, 0), (self.blocks_tagged_stream_mux_0, 1))
def __init__(self):
gr.top_block.__init__(self, "OFDM Tx")
Qt.QWidget.__init__(self)
self.setWindowTitle("OFDM Tx")
qtgui.util.check_set_qss()
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "tx_ofdm")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# 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 = 100000
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 = 478
self.header_mod = header_mod = digital.constellation_bpsk()
self.hdr_format = hdr_format = digital.header_format_ofdm(
occupied_carriers,
1,
length_tag_key,
)
self.fft_len = fft_len = 64
##################################################
# Blocks
##################################################
self.uhd_usrp_sink_0 = uhd.usrp_sink(
",".join(('serial= 31DDAA6', "")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_sink_0.set_samp_rate(3000000)
self.uhd_usrp_sink_0.set_center_freq(1E9, 0)
self.uhd_usrp_sink_0.set_gain(50, 0)
self.uhd_usrp_sink_0.set_antenna('TX/RX', 0)
self.qtgui_time_sink_x_0 = qtgui.time_sink_c(
1024, #size
samp_rate, #samp_rate
'Scope Plot', #name
1 #number of inputs
)
self.qtgui_time_sink_x_0.set_update_time(0.10)
self.qtgui_time_sink_x_0.set_y_axis(-1, 1)
self.qtgui_time_sink_x_0.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_0.enable_tags(-1, True)
self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS, 0.0, 0,
0, "")
self.qtgui_time_sink_x_0.enable_autoscale(True)
self.qtgui_time_sink_x_0.enable_grid(False)
self.qtgui_time_sink_x_0.enable_axis_labels(True)
self.qtgui_time_sink_x_0.enable_control_panel(False)
self.qtgui_time_sink_x_0.enable_stem_plot(False)
if not True:
self.qtgui_time_sink_x_0.disable_legend()
labels = ['Scope Plot', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "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):
if len(labels[i]) == 0:
if (i % 2 == 0):
self.qtgui_time_sink_x_0.set_line_label(
i, "Re{{Data {0}}}".format(i / 2))
else:
self.qtgui_time_sink_x_0.set_line_label(
i, "Im{{Data {0}}}".format(i / 2))
else:
self.qtgui_time_sink_x_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_win = sip.wrapinstance(
self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_win)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
'FFT Plot', #name
1 #number of inputs
)
self.qtgui_freq_sink_x_0.set_update_time(0.10)
self.qtgui_freq_sink_x_0.set_y_axis(-140, 10)
self.qtgui_freq_sink_x_0.set_y_label('Relative Gain', 'dB')
self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0,
"")
self.qtgui_freq_sink_x_0.enable_autoscale(True)
self.qtgui_freq_sink_x_0.enable_grid(False)
self.qtgui_freq_sink_x_0.set_fft_average(1.0)
self.qtgui_freq_sink_x_0.enable_axis_labels(True)
self.qtgui_freq_sink_x_0.enable_control_panel(False)
if not True:
self.qtgui_freq_sink_x_0.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_freq_sink_x_0.set_plot_pos_half(not True)
labels = ['', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "dark blue"
]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(
self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win)
self.fft_vxx_0 = fft.fft_vcc(fft_len, False, (()), True, 1)
self.digital_protocol_formatter_bb_0 = digital.protocol_formatter_bb(
hdr_format, length_tag_key)
self.digital_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_tag_gate_0.set_single_key("")
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_vcc((0.05, ))
self.blocks_file_source_0 = blocks.file_source(
gr.sizeof_char * 1,
'/home/csy/worktest/spectrum_sense/mydatafile/mydata_v2.log', True)
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.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_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_tag_gate_0, 0),
(self.qtgui_freq_sink_x_0, 0))
self.connect((self.blocks_tag_gate_0, 0),
(self.qtgui_time_sink_x_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_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")
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", "top_block")
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.sro = sro = 0
self.samp_rate = samp_rate = 500000
self.samp_per_sym = samp_per_sym = 2
self.rolloff = rolloff = 0
self.pream = pream = (mapper.preamble_generator(32, 511,
1033)).get_preamble()
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)
self.hdr_format = hdr_format = digital.header_format_ofdm(
occupied_carriers,
1,
length_tag_key,
)
self.frame_width_with_crc32 = frame_width_with_crc32 = 2016 + 32 + 32
self.frame_width = frame_width = 1024 * 2
self.cfo = cfo = 1e-2
self.SNR = SNR = 15
##################################################
# Blocks
##################################################
self._sro_range = Range(-1e-1, 1e-1, 1e-3, 0, 200)
self._sro_win = RangeWidget(self._sro_range, self.set_sro,
'Sample Rate Offset', "counter_slider",
float)
self.top_grid_layout.addWidget(self._sro_win)
self._cfo_range = Range(-1e-1, 1e-1, 1e-3, 1e-2, 200)
self._cfo_win = RangeWidget(self._cfo_range, self.set_cfo,
'Freq Offset', "counter_slider", float)
self.top_grid_layout.addWidget(self._cfo_win)
self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
1024, #size
samp_rate, #samp_rate
'Scope Plot', #name
1 #number of inputs
)
self.qtgui_time_sink_x_0.set_update_time(0.10)
self.qtgui_time_sink_x_0.set_y_axis(-1, 1)
self.qtgui_time_sink_x_0.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_0.enable_tags(-1, True)
self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS, 0.0, 0,
0, "")
self.qtgui_time_sink_x_0.enable_autoscale(True)
self.qtgui_time_sink_x_0.enable_grid(False)
self.qtgui_time_sink_x_0.enable_axis_labels(True)
self.qtgui_time_sink_x_0.enable_control_panel(False)
if not True:
self.qtgui_time_sink_x_0.disable_legend()
labels = ['', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "blue"
]
styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_time_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_win = sip.wrapinstance(
self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_win)
self.qtgui_freq_sink_x_0_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
'Tx Spectrum', #name
1 #number of inputs
)
self.qtgui_freq_sink_x_0_0.set_update_time(0.10)
self.qtgui_freq_sink_x_0_0.set_y_axis(-140, 10)
self.qtgui_freq_sink_x_0_0.set_y_label('Relative Gain', 'dB')
self.qtgui_freq_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0,
0, "")
self.qtgui_freq_sink_x_0_0.enable_autoscale(False)
self.qtgui_freq_sink_x_0_0.enable_grid(False)
self.qtgui_freq_sink_x_0_0.set_fft_average(1.0)
self.qtgui_freq_sink_x_0_0.enable_axis_labels(True)
self.qtgui_freq_sink_x_0_0.enable_control_panel(False)
if not True:
self.qtgui_freq_sink_x_0_0.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_freq_sink_x_0_0.set_plot_pos_half(not True)
labels = ['Rx Spectrum', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "dark blue"
]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_0_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_0_win = sip.wrapinstance(
self.qtgui_freq_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_0_win)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
'Rx Spectrum', #name
1 #number of inputs
)
self.qtgui_freq_sink_x_0.set_update_time(0.10)
self.qtgui_freq_sink_x_0.set_y_axis(-140, 10)
self.qtgui_freq_sink_x_0.set_y_label('Relative Gain', 'dB')
self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0,
"")
self.qtgui_freq_sink_x_0.enable_autoscale(False)
self.qtgui_freq_sink_x_0.enable_grid(False)
self.qtgui_freq_sink_x_0.set_fft_average(1.0)
self.qtgui_freq_sink_x_0.enable_axis_labels(True)
self.qtgui_freq_sink_x_0.enable_control_panel(False)
if not True:
self.qtgui_freq_sink_x_0.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_freq_sink_x_0.set_plot_pos_half(not True)
labels = ['Rx Spectrum', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "dark blue"
]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(
self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win)
self.mapper_prbs_source_b_0 = mapper.prbs_source_b(
"PRBS31", packet_len)
self.mapper_prbs_sink_b_0 = mapper.prbs_sink_b("PRBS31", packet_len)
self.digital_ofdm_tx_0 = digital.ofdm_tx(
fft_len=fft_len,
cp_len=fft_len / 4,
packet_length_tag_key=packet_length_tag_key,
occupied_carriers=occupied_carriers,
pilot_carriers=pilot_carriers,
pilot_symbols=pilot_symbols,
sync_word1=sync_word1,
sync_word2=sync_word2,
bps_header=1,
bps_payload=2,
rolloff=0,
debug_log=True,
scramble_bits=False)
self.digital_ofdm_rx_0 = digital.ofdm_rx(
fft_len=fft_len,
cp_len=fft_len / 4,
frame_length_tag_key='frame_' + "length",
packet_length_tag_key="length",
occupied_carriers=occupied_carriers,
pilot_carriers=pilot_carriers,
pilot_symbols=pilot_symbols,
sync_word1=sync_word1,
sync_word2=sync_word2,
bps_header=1,
bps_payload=2,
debug_log=False,
scramble_bits=False)
self.channels_channel_model_0 = channels.channel_model(
noise_voltage=0.1,
frequency_offset=cfo,
epsilon=1.0 + sro,
taps=(1.0, ),
noise_seed=0,
block_tags=True)
self.blocks_uchar_to_float_0 = blocks.uchar_to_float()
self.blocks_throttle_0_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
samp_rate, True)
self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(
gr.sizeof_char, 1, packet_len, packet_length_tag_key)
self._SNR_tool_bar = Qt.QToolBar(self)
self._SNR_tool_bar.addWidget(Qt.QLabel('SNR' + ": "))
self._SNR_line_edit = Qt.QLineEdit(str(self.SNR))
self._SNR_tool_bar.addWidget(self._SNR_line_edit)
self._SNR_line_edit.returnPressed.connect(lambda: self.set_SNR(
eng_notation.str_to_num(str(self._SNR_line_edit.text().toAscii())))
)
self.top_grid_layout.addWidget(self._SNR_tool_bar)
##################################################
# Connections
##################################################
self.connect((self.blocks_stream_to_tagged_stream_0, 0),
(self.digital_ofdm_tx_0, 0))
self.connect((self.blocks_throttle_0_0, 0),
(self.channels_channel_model_0, 0))
self.connect((self.blocks_uchar_to_float_0, 0),
(self.qtgui_time_sink_x_0, 0))
self.connect((self.channels_channel_model_0, 0),
(self.digital_ofdm_rx_0, 0))
self.connect((self.channels_channel_model_0, 0),
(self.qtgui_freq_sink_x_0, 0))
self.connect((self.digital_ofdm_rx_0, 0),
(self.blocks_uchar_to_float_0, 0))
self.connect((self.digital_ofdm_rx_0, 0),
(self.mapper_prbs_sink_b_0, 0))
self.connect((self.digital_ofdm_tx_0, 0),
(self.blocks_throttle_0_0, 0))
self.connect((self.digital_ofdm_tx_0, 0),
(self.qtgui_freq_sink_x_0_0, 0))
self.connect((self.mapper_prbs_source_b_0, 0),
(self.blocks_stream_to_tagged_stream_0, 0))
def __init__(self, doc, ip="127.0.0.1"):
gr.top_block.__init__(self, "RL Demod training")
self.doc = doc
self.plot_lst = []
self.widget_lst = []
##################################################
# Parameters
##################################################
self.ip = ip
##################################################
# Variables
##################################################
self.pilot_symbols = pilot_symbols = ((
1,
1,
1,
-1,
), )
self.pilot_carriers = pilot_carriers = ((
-21,
-7,
7,
21,
), )
self.packet_length_tag_key = packet_length_tag_key = "packet_length"
self.occupied_carriers = occupied_carriers = (
list(range(-22, -21)) + list(range(-20, -7)) + list(range(-6, 0)) +
list(range(1, 7)) + list(range(8, 21)) + list(range(22, 23)), )
self.length_tag_key_0 = length_tag_key_0 = "frame_len"
self.length_tag_key = length_tag_key = "packet_len"
self.header_mod = header_mod = digital.constellation_bpsk()
self.fft_len = fft_len = 64
self.errors = errors = 0
self.bits_per_symbol = bits_per_symbol = 4
self.ber = ber = 0
self.variable_qtgui_label_0_0_val = variable_qtgui_label_0_0 = ber
self.variable_qtgui_label_0_val = variable_qtgui_label_0 = errors
self.variable_0 = variable_0 = len(occupied_carriers[0])
self.training_mod = training_mod = 1
self.timestamp = timestamp = '1'
self.t_state = t_state = 1
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.snr_stop = snr_stop = 29
self.snr_step = snr_step = 0.5
self.snr_start = snr_start = 0
self.samp_rate = samp_rate = 0.3e6
self.rx_lr = rx_lr = -2
self.rolloff = rolloff = 0
self.puncpat = puncpat = '11'
self.payload_mod = payload_mod = digital.qam_constellation(
constellation_points=2**bits_per_symbol)
self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_static(
fft_len, occupied_carriers, pilot_carriers, pilot_symbols, 1)
self.packet_len = packet_len = 400
self.mag = mag = 10
self.ldpc_enc = ldpc_enc = fec.ldpc_encoder_make(
gr.prefix() + "/share/gnuradio/fec/ldpc/" +
"n_0100_k_0042_gap_02.alist")
self.ldpc_dec = ldpc_dec = fec.ldpc_decoder.make(
gr.prefix() + "/share/gnuradio/fec/ldpc/" +
"n_0100_k_0042_gap_02.alist", 0.5, 50)
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_0,
bits_per_header_sym=header_mod.bits_per_symbol(),
bits_per_payload_sym=8,
scramble_header=False)
self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe(
fft_len, header_mod.base(), occupied_carriers, pilot_carriers,
pilot_symbols)
self.hdr_format = hdr_format = digital.header_format_ofdm(
occupied_carriers,
1,
length_tag_key,
)
self.gain_rx = gain_rx = 5
self.freq = freq = 900e6
self.bits_per_symbol_0 = bits_per_symbol_0 = len(occupied_carriers[0])
##################################################
# Blocks
##################################################
self.training_mod_textbox = bokehgui.textbox(
self.widget_lst, str(1), 'Alternate training every' + ": ")
self.training_mod_textbox.add_callback(
lambda attr, old, new: self.set_training_mod(int(new)))
self._t_state_options = [
1,
0,
]
self._t_state_labels = [
'On',
'Off',
]
self.t_state_radiobutton = bokehgui.radiobutton(self.widget_lst,
None,
self._t_state_labels,
inline=True)
self.t_state_radiobutton.add_callback(
lambda new: self.set_t_state(int(self._t_state_options[new])))
self.rx_lr_slider = bokehgui.slider(self.widget_lst,
'RX Learning rate (log)' + ":", -5,
0, 0.1, 1, -2)
self.rx_lr_slider.add_callback(
lambda attr, old, new: self.set_rx_lr(new))
self.mag_slider = bokehgui.slider(self.widget_lst, 'Eb/N0' + ":", 0,
40, 0.1, 1, 10)
self.mag_slider.add_callback(lambda attr, old, new: self.set_mag(new))
self.learning_ber_bf_0 = learning.ber_bf(False, 100, -7.0, 1)
self.gain_rx_slider = bokehgui.slider(self.widget_lst,
'Amplitude Rx' + ":", 0, 90, 0.5,
1, 5)
self.gain_rx_slider.add_callback(
lambda attr, old, new: self.set_gain_rx(new))
self.blocks_probe_signal_x_0 = blocks.probe_signal_f()
self.zeromq_sub_msg_source_0_0 = zeromq.sub_msg_source(
"tcp://" + ip + ":50001", 1000)
self.zeromq_pub_msg_sink_0_0_0 = zeromq.pub_msg_sink(
'tcp://*:50002', 1000)
self.variable_qtgui_label_0_0 = bokehgui.label(
self.widget_lst, str(variable_qtgui_label_0_0), 'BER' + ": ")
self.variable_qtgui_label_0 = bokehgui.label(
self.widget_lst, str(variable_qtgui_label_0), 'Error count' + ": ")
self.uhd_usrp_source_0 = uhd.usrp_source(
",".join(("", "")),
uhd.stream_args(
cpu_format="fc32",
args='',
channels=list(range(0, 1)),
),
)
self.uhd_usrp_source_0.set_samp_rate(samp_rate)
self.uhd_usrp_source_0.set_time_now(uhd.time_spec(time.time()),
uhd.ALL_MBOARDS)
self.uhd_usrp_source_0.set_center_freq(freq, 0)
self.uhd_usrp_source_0.set_antenna("TX/RX", 0)
self.uhd_usrp_source_0.set_rx_agc(False, 0)
self.uhd_usrp_source_0.set_gain(gain_rx, 0)
self.timestamp_textbox = bokehgui.textbox(self.widget_lst, str('1'),
'Load timestamp' + ": ")
self.timestamp_textbox.add_callback(
lambda attr, old, new: self.set_timestamp(str(new)))
self.learning_dl_demod_0 = learning.dl_demod(
'packet_num', False, bits_per_symbol, packet_len, 20, training_mod,
10**rx_lr, t_state,
'/home/cyrille/Gnu-Radio/modules/gr-learning/examples/saved_models'
)
self.learning_align_0 = learning.align('packet_num', packet_len, 1, 48)
self.fft_vxx_1 = fft.fft_vcc(fft_len, True, (), True, 1)
self.fft_vxx_0 = fft.fft_vcc(fft_len, True, (), True, 1)
def _errors_probe():
while True:
val = self.learning_ber_bf_0.total_errors()
try:
self.set_errors(val)
except AttributeError:
pass
time.sleep(1.0 / (0.5))
_errors_thread = threading.Thread(target=_errors_probe)
_errors_thread.daemon = True
_errors_thread.start()
self.digital_packet_headerparser_b_0 = digital.packet_headerparser_b(
header_formatter.base())
self.digital_ofdm_sync_sc_cfb_0 = digital.ofdm_sync_sc_cfb(
fft_len, fft_len // 4, False, 0.9)
self.digital_ofdm_serializer_vcc_payload = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key_0,
packet_length_tag_key, 1, '', True)
self.digital_ofdm_serializer_vcc_header = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key_0, '', 0, '', True)
self.digital_ofdm_frame_equalizer_vcvc_1 = digital.ofdm_frame_equalizer_vcvc(
payload_equalizer.base(), fft_len // 4, length_tag_key_0, True, 0)
self.digital_ofdm_frame_equalizer_vcvc_0 = digital.ofdm_frame_equalizer_vcvc(
header_equalizer.base(), fft_len // 4, length_tag_key_0, True, 1)
self.digital_ofdm_chanest_vcvc_0 = digital.ofdm_chanest_vcvc(
sync_word1, sync_word2, 1, 0, 3, False)
self.digital_header_payload_demux_0 = digital.header_payload_demux(
3, fft_len, fft_len // 4, length_tag_key_0, "", True,
gr.sizeof_gr_complex, "rx_time", int(samp_rate), (), 0)
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(
header_mod.base())
self.bokehgui_time_sink_x_0 = bokehgui.time_sink_f_proc(
1024, samp_rate, "Decoded minus label", 1)
self.bokehgui_time_sink_x_0_plot = bokehgui.time_sink_f(
self.doc,
self.plot_lst,
self.bokehgui_time_sink_x_0,
is_message=False)
labels = ['', '', '', '', '', '', '', '', '', '']
legend_list = []
for i in range(1):
if len(labels[i]) == 0:
legend_list.append("Data {0}".format(i))
else:
legend_list.append(labels[i])
self.bokehgui_time_sink_x_0_plot.initialize(log_x=False,
log_y=False,
update_time=500,
legend_list=legend_list)
self.bokehgui_time_sink_x_0_plot.set_y_axis([-10, 10])
self.bokehgui_time_sink_x_0_plot.set_y_label('Difference' + '(' + "" +
')')
self.bokehgui_time_sink_x_0_plot.set_x_label('Symbol' + '(' + "" + ')')
self.bokehgui_time_sink_x_0_plot.enable_tags(-1, True)
self.bokehgui_time_sink_x_0_plot.set_trigger_mode(
bokehgui.TRIG_MODE_FREE, bokehgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
self.bokehgui_time_sink_x_0_plot.enable_grid(False)
self.bokehgui_time_sink_x_0_plot.enable_axis_labels(True)
self.bokehgui_time_sink_x_0_plot.disable_legend(not True)
self.bokehgui_time_sink_x_0_plot.set_layout(*((2, 0, 1, 3)))
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"blue", "blue", "blue"
]
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
styles = [
"solid", "solid", "solid", "solid", "solid", "solid", "solid",
"solid", "solid", "solid"
]
markers = [None, None, None, None, None, None, None, None, None, None]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in range(1):
self.bokehgui_time_sink_x_0_plot.format_line(
i, colors[i], widths[i], styles[i], markers[i], alphas[i])
self.bokehgui_time_const_x_0 = bokehgui.time_sink_c_proc(
1024, samp_rate, "Received noisy constellation", 1)
self.bokehgui_time_const_x_0_plot = bokehgui.const_sink_c(
self.doc,
self.plot_lst,
self.bokehgui_time_const_x_0,
is_message=False)
labels = ['', '', '', '', '', '', '', '', '', '']
legend_list = []
for i in range(1):
if len(labels[i]) == 0:
if (i % 2 == 0):
legend_list.append("Re{{Data {0}}}".format(i / 2))
else:
legend_list.append("Im{{Data {0}}}".format(i / 2))
else:
legend_list.append(labels[i])
self.bokehgui_time_const_x_0_plot.initialize(update_time=500,
legend_list=legend_list)
self.bokehgui_time_const_x_0_plot.set_y_axis([-2, 2])
self.bokehgui_time_const_x_0_plot.set_y_label('Q Channel' + '(' + "" +
')')
self.bokehgui_time_const_x_0_plot.set_x_label('I Channel' + '(' + "" +
')')
self.bokehgui_time_const_x_0_plot.enable_tags(-1, False)
self.bokehgui_time_const_x_0_plot.set_trigger_mode(
bokehgui.TRIG_MODE_FREE, bokehgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
self.bokehgui_time_const_x_0_plot.enable_grid(True)
self.bokehgui_time_const_x_0_plot.enable_axis_labels(True)
self.bokehgui_time_const_x_0_plot.disable_legend(not True)
self.bokehgui_time_const_x_0_plot.set_layout(*((0, 1, 2, 2)))
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"blue", "blue", "blue"
]
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
markers = ['o', 'o', 'o', 'o', 'o', 'o', 'o', 'o', 'o', 'o']
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in range(1):
self.bokehgui_time_const_x_0_plot.format_line(
i, colors[i], widths[i], 'None', markers[i], alphas[i])
self.bokehgui_frequency_sink_x_0 = bokehgui.freq_sink_c_proc(
1024, firdes.WIN_BLACKMAN_hARRIS, freq, samp_rate, "Rx signal", 1)
self.bokehgui_frequency_sink_x_0_plot = bokehgui.freq_sink_c(
self.doc,
self.plot_lst,
self.bokehgui_frequency_sink_x_0,
is_message=False)
labels = ['', '', '', '', '', '', '', '', '', '']
legend_list = []
for i in range(1):
if len(labels[i]) == 0:
legend_list.append("Data {0}".format(i))
else:
legend_list.append(labels[i])
self.bokehgui_frequency_sink_x_0_plot.initialize(
update_time=100, legend_list=legend_list)
self.bokehgui_frequency_sink_x_0_plot.set_y_axis([-140, 10])
self.bokehgui_frequency_sink_x_0_plot.set_y_label('Relative Gain' +
'(' + 'dB' + ')')
self.bokehgui_frequency_sink_x_0_plot.set_x_label('Frequency' + '(' +
"Hz" + ')')
self.bokehgui_frequency_sink_x_0_plot.set_trigger_mode(
bokehgui.TRIG_MODE_FREE, 0.0, 0, "")
self.bokehgui_frequency_sink_x_0_plot.enable_grid(False)
self.bokehgui_frequency_sink_x_0_plot.enable_axis_labels(True)
self.bokehgui_frequency_sink_x_0_plot.disable_legend(not True)
self.bokehgui_frequency_sink_x_0_plot.set_layout(*((3, 0, 1, 3)))
self.bokehgui_frequency_sink_x_0_plot.enable_max_hold()
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "dark blue"
]
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
styles = [
"solid", "solid", "solid", "solid", "solid", "solid", "solid",
"solid", "solid", "solid"
]
markers = [None, None, None, None, None, None, None, None, None, None]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in range(1):
self.bokehgui_frequency_sink_x_0_plot.format_line(
i, colors[i], widths[i], styles[i], markers[i], alphas[i])
self.blocks_sub_xx_0 = blocks.sub_ff(1)
self.blocks_repack_bits_bb_0_0_1_1 = blocks.repack_bits_bb(
bits_per_symbol, 1, '', False, gr.GR_LSB_FIRST)
self.blocks_repack_bits_bb_0_0_1 = blocks.repack_bits_bb(
bits_per_symbol, 1, '', False, gr.GR_LSB_FIRST)
self.blocks_pdu_to_tagged_stream_0_0 = blocks.pdu_to_tagged_stream(
blocks.byte_t, 'packet_len')
self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_float *
bits_per_symbol)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex * 1,
fft_len + 0 * (fft_len // 4) + 10)
self.blocks_char_to_float_0_0_0 = blocks.char_to_float(1, 1)
self.blocks_char_to_float_0_0 = blocks.char_to_float(1, 1)
self.blocks_add_xx_0 = blocks.add_vcc(1)
def _ber_probe():
while True:
val = self.blocks_probe_signal_x_0.level()
try:
self.set_ber(val)
except AttributeError:
pass
time.sleep(1.0 / (0.5))
_ber_thread = threading.Thread(target=_ber_probe)
_ber_thread.daemon = True
_ber_thread.start()
self.analog_noise_source_x_0 = analog.noise_source_c(
analog.GR_GAUSSIAN,
np.sqrt(10**(np.log10(1 / bits_per_symbol) - (mag / 10.0))) * 1,
-1)
self.analog_frequency_modulator_fc_0 = analog.frequency_modulator_fc(
-2.0 / fft_len)
if self.widget_lst:
input_t = bokehgui.bokeh_layout.widgetbox(self.widget_lst)
widgetbox = bokehgui.bokeh_layout.WidgetLayout(input_t)
widgetbox.set_layout(*((0, 0, 2, 1)))
list_obj = [widgetbox] + self.plot_lst
else:
list_obj = self.plot_lst
layout_t = bokehgui.bokeh_layout.create_layout(list_obj,
"stretch_both")
self.doc.add_root(layout_t)
##################################################
# Connections
##################################################
self.msg_connect((self.digital_packet_headerparser_b_0, 'header_data'),
(self.digital_header_payload_demux_0, 'header_data'))
self.msg_connect((self.learning_dl_demod_0, 'losses'),
(self.zeromq_pub_msg_sink_0_0_0, 'in'))
self.msg_connect((self.zeromq_sub_msg_source_0_0, 'out'),
(self.blocks_pdu_to_tagged_stream_0_0, 'pdus'))
self.connect((self.analog_frequency_modulator_fc_0, 0),
(self.blocks_multiply_xx_0, 1))
self.connect((self.analog_noise_source_x_0, 0),
(self.blocks_add_xx_0, 1))
self.connect((self.blocks_add_xx_0, 0),
(self.bokehgui_time_const_x_0, 0))
self.connect((self.blocks_add_xx_0, 0), (self.learning_align_0, 0))
self.connect((self.blocks_char_to_float_0_0, 0),
(self.blocks_sub_xx_0, 0))
self.connect((self.blocks_char_to_float_0_0_0, 0),
(self.blocks_sub_xx_0, 1))
self.connect((self.blocks_delay_0, 0), (self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_multiply_xx_0, 0),
(self.digital_header_payload_demux_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_0_0, 0),
(self.learning_align_0, 1))
self.connect((self.blocks_repack_bits_bb_0_0_1, 0),
(self.learning_ber_bf_0, 1))
self.connect((self.blocks_repack_bits_bb_0_0_1_1, 0),
(self.learning_ber_bf_0, 0))
self.connect((self.blocks_sub_xx_0, 0),
(self.bokehgui_time_sink_x_0, 0))
self.connect((self.digital_constellation_decoder_cb_0, 0),
(self.digital_packet_headerparser_b_0, 0))
self.connect((self.digital_header_payload_demux_0, 0),
(self.fft_vxx_0, 0))
self.connect((self.digital_header_payload_demux_0, 1),
(self.fft_vxx_1, 0))
self.connect((self.digital_ofdm_chanest_vcvc_0, 0),
(self.digital_ofdm_frame_equalizer_vcvc_0, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_0, 0),
(self.digital_ofdm_serializer_vcc_header, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_1, 0),
(self.digital_ofdm_serializer_vcc_payload, 0))
self.connect((self.digital_ofdm_serializer_vcc_header, 0),
(self.digital_constellation_decoder_cb_0, 0))
self.connect((self.digital_ofdm_serializer_vcc_payload, 0),
(self.blocks_add_xx_0, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 0),
(self.analog_frequency_modulator_fc_0, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 1),
(self.digital_header_payload_demux_0, 1))
self.connect((self.fft_vxx_0, 0),
(self.digital_ofdm_chanest_vcvc_0, 0))
self.connect((self.fft_vxx_1, 0),
(self.digital_ofdm_frame_equalizer_vcvc_1, 0))
self.connect((self.learning_align_0, 1), (self.learning_dl_demod_0, 1))
self.connect((self.learning_align_0, 0), (self.learning_dl_demod_0, 0))
self.connect((self.learning_ber_bf_0, 0),
(self.blocks_probe_signal_x_0, 0))
self.connect((self.learning_dl_demod_0, 1),
(self.blocks_char_to_float_0_0, 0))
self.connect((self.learning_dl_demod_0, 2),
(self.blocks_char_to_float_0_0_0, 0))
self.connect((self.learning_dl_demod_0, 0),
(self.blocks_null_sink_0, 0))
self.connect((self.learning_dl_demod_0, 2),
(self.blocks_repack_bits_bb_0_0_1, 0))
self.connect((self.learning_dl_demod_0, 1),
(self.blocks_repack_bits_bb_0_0_1_1, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.blocks_delay_0, 0))
self.connect((self.uhd_usrp_source_0, 0),
(self.bokehgui_frequency_sink_x_0, 0))
self.connect((self.uhd_usrp_source_0, 0),
(self.digital_ofdm_sync_sc_cfb_0, 0))
def __init__(self,
input_port_num="55555",
output_port_num="55556",
rx_bw=0.5e6,
rx_freq=2e9,
rx_gain=0.8,
serial_num="31C9237",
tx_bw=0.5e6,
tx_freq=2.0e9,
tx_gain=1):
gr.top_block.__init__(self, "tranceiver_ofdm_usrp")
Qt.QWidget.__init__(self)
self.setWindowTitle("tranceiver_ofdm_usrp")
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", "tranceiver_ofdm_usrp")
try:
if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
self.restoreGeometry(
self.settings.value("geometry").toByteArray())
else:
self.restoreGeometry(self.settings.value("geometry"))
except:
pass
##################################################
# Parameters
##################################################
self.input_port_num = input_port_num
self.output_port_num = output_port_num
self.rx_bw = rx_bw
self.rx_freq = rx_freq
self.rx_gain = rx_gain
self.serial_num = serial_num
self.tx_bw = tx_bw
self.tx_freq = tx_freq
self.tx_gain = tx_gain
##################################################
# Variables
##################################################
self.rep = rep = 3
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 = length_tag_key = "frame_len"
self.header_mod = header_mod = digital.constellation_bpsk()
self.fft_len = fft_len = 64
self.sync_word2 = sync_word2 = [
0j, 0j, 0j, 0j, 0j, 0j, (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j),
(1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j),
(-1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j),
(-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j),
(-1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), 0j, (1 + 0j), (-1 + 0j),
(1 + 0j), (1 + 0j), (1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j),
(1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j),
(-1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j),
(-1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j),
0j, 0j, 0j, 0j, 0j
]
self.sync_word1 = sync_word1 = [
0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0.,
1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0.,
1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0.,
-1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
0., 0., 0., 0., 0.
]
self.samp_rate = samp_rate = 10000
self.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 = 256
self.out_buf_size = out_buf_size = 15000
self.header_formatter = header_formatter = digital.packet_header_ofdm(
occupied_carriers,
n_syms=1,
len_tag_key=packet_length_tag_key,
frame_len_tag_key=length_tag_key,
bits_per_header_sym=header_mod.bits_per_symbol(),
bits_per_payload_sym=payload_mod.bits_per_symbol(),
scramble_header=False)
self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe(
fft_len, header_mod.base(), occupied_carriers, pilot_carriers,
pilot_symbols)
self.hdr_format = hdr_format = digital.header_format_ofdm(
occupied_carriers,
1,
length_tag_key,
)
self.enc_rep = enc_rep = fec.repetition_encoder_make(8000, rep)
self.dec_rep = dec_rep = fec.repetition_decoder.make(8000, rep, 0.5)
self.FEC_rate = FEC_rate = 1 / 2
##################################################
# Blocks
##################################################
self.zeromq_sub_source_0 = zeromq.sub_source(
gr.sizeof_char, 1, "tcp://127.0.0.1:" + input_port_num, 100, False,
-1, '')
self.zeromq_pub_sink_0 = zeromq.pub_sink(gr.sizeof_char, 1,
"tcp://127.0.0.1:55556", 100,
False, -1, '')
self.uhd_usrp_source_0 = uhd.usrp_source(
",".join(("", "")),
uhd.stream_args(
cpu_format="fc32",
args='',
channels=list(range(0, 1)),
),
)
self.uhd_usrp_source_0.set_samp_rate(rx_bw)
self.uhd_usrp_source_0.set_time_now(uhd.time_spec(time.time()),
uhd.ALL_MBOARDS)
self.uhd_usrp_source_0.set_center_freq(rx_freq, 0)
self.uhd_usrp_source_0.set_antenna('RX2', 0)
self.uhd_usrp_source_0.set_power_reference(rx_gain, 0)
self.uhd_usrp_sink_0 = uhd.usrp_sink(
",".join(("", "")),
uhd.stream_args(
cpu_format="fc32",
args='',
channels=list(range(0, 1)),
),
packet_length_tag_key,
)
self.uhd_usrp_sink_0.set_samp_rate(tx_bw)
self.uhd_usrp_sink_0.set_time_now(uhd.time_spec(time.time()),
uhd.ALL_MBOARDS)
self.uhd_usrp_sink_0.set_center_freq(tx_freq, 0)
self.uhd_usrp_sink_0.set_antenna('TX/RX', 0)
self.uhd_usrp_sink_0.set_power_reference(tx_gain, 0)
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.fec_async_encoder_0 = fec.async_encoder(enc_rep, True, True, True,
1500)
self.fec_async_decoder_0 = fec.async_decoder(dec_rep, True, True, 1500)
self.digital_protocol_formatter_bb_0 = digital.protocol_formatter_bb(
hdr_format, packet_length_tag_key)
self.digital_packet_headerparser_b_0 = digital.packet_headerparser_b(
header_formatter.base())
self.digital_ofdm_sync_sc_cfb_0 = digital.ofdm_sync_sc_cfb(
fft_len, fft_len // 4, False, 0.9)
self.digital_ofdm_serializer_vcc_payload = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key, packet_length_tag_key,
1, '', True)
self.digital_ofdm_serializer_vcc_header = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key, '', 0, '', True)
self.digital_ofdm_frame_equalizer_vcvc_1 = digital.ofdm_frame_equalizer_vcvc(
payload_equalizer.base(), fft_len // 4, length_tag_key, True, 0)
self.digital_ofdm_frame_equalizer_vcvc_1.set_min_output_buffer(15000)
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_frame_equalizer_vcvc_0.set_min_output_buffer(15000)
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_cyclic_prefixer_0.set_min_output_buffer(15000)
self.digital_ofdm_chanest_vcvc_0 = digital.ofdm_chanest_vcvc(
sync_word1, sync_word2, 1, 0, 3, False)
self.digital_ofdm_carrier_allocator_cvc_0 = digital.ofdm_carrier_allocator_cvc(
fft_len, occupied_carriers, pilot_carriers, pilot_symbols,
(sync_word1, sync_word2), packet_length_tag_key, True)
self.digital_ofdm_carrier_allocator_cvc_0.set_min_output_buffer(15000)
self.digital_map_bb_0 = digital.map_bb([-1, 1])
self.digital_header_payload_demux_0 = digital.header_payload_demux(
3, fft_len, fft_len // 4, length_tag_key, "", True,
gr.sizeof_gr_complex, "rx_time", samp_rate, (), 0)
self.digital_header_payload_demux_0.set_min_output_buffer(15000)
self.digital_crc32_bb_0_0 = digital.crc32_bb(False,
packet_length_tag_key,
True)
self.digital_crc32_bb_0 = digital.crc32_bb(True, packet_length_tag_key,
True)
self.digital_constellation_decoder_cb_1 = digital.constellation_decoder_cb(
payload_mod.base())
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(
header_mod.base())
self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc(
payload_mod.points(), 1)
self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc(
header_mod.points(), 1)
self.blocks_tagged_stream_to_pdu_1 = blocks.tagged_stream_to_pdu(
blocks.float_t, packet_length_tag_key)
self.blocks_tagged_stream_to_pdu_0 = blocks.tagged_stream_to_pdu(
blocks.byte_t, packet_length_tag_key)
self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux(
gr.sizeof_gr_complex * 1, packet_length_tag_key, 0)
self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(
gr.sizeof_char, 1, packet_len, packet_length_tag_key)
self.blocks_repack_bits_bb_0_3_1 = blocks.repack_bits_bb(
8, 1, 'packet_len', True, gr.GR_LSB_FIRST)
self.blocks_repack_bits_bb_0_1 = blocks.repack_bits_bb(
8, payload_mod.bits_per_symbol(), packet_length_tag_key, False,
gr.GR_LSB_FIRST)
self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb(
8, 1, packet_length_tag_key, False, gr.GR_LSB_FIRST)
self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(
payload_mod.bits_per_symbol(), 8, packet_length_tag_key, True,
gr.GR_LSB_FIRST)
self.blocks_pdu_to_tagged_stream_0_0 = blocks.pdu_to_tagged_stream(
blocks.byte_t, packet_length_tag_key)
self.blocks_pdu_to_tagged_stream_0 = blocks.pdu_to_tagged_stream(
blocks.byte_t, packet_length_tag_key)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_cc(0.05)
self.blocks_file_sink_0_0_0_0_0_0_0 = blocks.file_sink(
gr.sizeof_char * 1,
'/root/repos/usrp-utils/archive/post_encoding.bin', False)
self.blocks_file_sink_0_0_0_0_0_0_0.set_unbuffered(True)
self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex * 1,
fft_len + fft_len // 4)
self.blocks_char_to_float_0_1 = blocks.char_to_float(1, 1)
self.analog_frequency_modulator_fc_0 = analog.frequency_modulator_fc(
-2.0 / fft_len)
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_tagged_stream_to_pdu_0, 'pdus'),
(self.fec_async_encoder_0, 'in'))
self.msg_connect((self.blocks_tagged_stream_to_pdu_1, 'pdus'),
(self.fec_async_decoder_0, 'in'))
self.msg_connect((self.digital_packet_headerparser_b_0, 'header_data'),
(self.digital_header_payload_demux_0, 'header_data'))
self.msg_connect((self.fec_async_decoder_0, 'out'),
(self.blocks_pdu_to_tagged_stream_0_0, 'pdus'))
self.msg_connect((self.fec_async_encoder_0, 'out'),
(self.blocks_pdu_to_tagged_stream_0, 'pdus'))
self.connect((self.analog_frequency_modulator_fc_0, 0),
(self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_char_to_float_0_1, 0),
(self.blocks_tagged_stream_to_pdu_1, 0))
self.connect((self.blocks_delay_0, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.uhd_usrp_sink_0, 0))
self.connect((self.blocks_multiply_xx_0, 0),
(self.digital_header_payload_demux_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_0, 0),
(self.blocks_file_sink_0_0_0_0_0_0_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_0, 0),
(self.blocks_repack_bits_bb_0_1, 0))
self.connect((self.blocks_pdu_to_tagged_stream_0, 0),
(self.digital_protocol_formatter_bb_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_0_0, 0),
(self.digital_crc32_bb_0, 0))
self.connect((self.blocks_repack_bits_bb_0, 0),
(self.blocks_repack_bits_bb_0_3_1, 0))
self.connect((self.blocks_repack_bits_bb_0_0, 0),
(self.digital_chunks_to_symbols_xx_0, 0))
self.connect((self.blocks_repack_bits_bb_0_1, 0),
(self.digital_chunks_to_symbols_xx_0_0, 0))
self.connect((self.blocks_repack_bits_bb_0_3_1, 0),
(self.digital_map_bb_0, 0))
self.connect((self.blocks_stream_to_tagged_stream_0, 0),
(self.digital_crc32_bb_0_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_constellation_decoder_cb_0, 0),
(self.digital_packet_headerparser_b_0, 0))
self.connect((self.digital_constellation_decoder_cb_1, 0),
(self.blocks_repack_bits_bb_0, 0))
self.connect((self.digital_crc32_bb_0, 0), (self.zeromq_pub_sink_0, 0))
self.connect((self.digital_crc32_bb_0_0, 0),
(self.blocks_tagged_stream_to_pdu_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_map_bb_0, 0),
(self.blocks_char_to_float_0_1, 0))
self.connect((self.digital_ofdm_carrier_allocator_cvc_0, 0),
(self.fft_vxx_0_0, 0))
self.connect((self.digital_ofdm_chanest_vcvc_0, 0),
(self.digital_ofdm_frame_equalizer_vcvc_0, 0))
self.connect((self.digital_ofdm_cyclic_prefixer_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_0, 0),
(self.digital_ofdm_serializer_vcc_header, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_1, 0),
(self.digital_ofdm_serializer_vcc_payload, 0))
self.connect((self.digital_ofdm_serializer_vcc_header, 0),
(self.digital_constellation_decoder_cb_0, 0))
self.connect((self.digital_ofdm_serializer_vcc_payload, 0),
(self.digital_constellation_decoder_cb_1, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 0),
(self.analog_frequency_modulator_fc_0, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 1),
(self.digital_header_payload_demux_0, 1))
self.connect((self.digital_protocol_formatter_bb_0, 0),
(self.blocks_repack_bits_bb_0_0, 0))
self.connect((self.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.zeromq_sub_source_0, 0),
(self.blocks_stream_to_tagged_stream_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Top Block")
Qt.QWidget.__init__(self)
self.setWindowTitle("Top Block")
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", "top_block")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# 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 = 100000
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 = 478
self.mysamp_rate = mysamp_rate = 50000000
self.min_singnal_var0 = min_singnal_var0 = 0
self.header_mod = header_mod = digital.constellation_bpsk()
self.hdr_format = hdr_format = digital.header_format_ofdm(
occupied_carriers,
1,
length_tag_key,
)
self.gain = gain = 0
self.fft_len = fft_len = 64
self.N_fft = N_fft = 1024
##################################################
# Blocks
##################################################
self.min_signal0 = blocks.probe_signal_f()
def _min_singnal_var0_probe():
while True:
val = self.min_signal0.level()
try:
self.set_min_singnal_var0(val)
except AttributeError:
pass
time.sleep(1.0 / (10))
_min_singnal_var0_thread = threading.Thread(
target=_min_singnal_var0_probe)
_min_singnal_var0_thread.daemon = True
_min_singnal_var0_thread.start()
self._gain_range = Range(0, 74, 1, 0, 200)
self._gain_win = RangeWidget(self._gain_range, self.set_gain, 'gain',
"counter_slider", float)
self.top_grid_layout.addWidget(self._gain_win)
self.uhd_usrp_source_0 = uhd.usrp_source(
",".join(("serial=31DDABF", "")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_source_0.set_samp_rate(10e6)
self.uhd_usrp_source_0.set_center_freq(2.402e9, 0)
self.uhd_usrp_source_0.set_gain(gain, 0)
self.uhd_usrp_source_0.set_antenna('TX/RX', 0)
self.uhd_usrp_source_0.set_auto_dc_offset(True, 0)
self.uhd_usrp_source_0.set_auto_iq_balance(True, 0)
self.uhd_usrp_sink_0 = uhd.usrp_sink(
",".join(('serial= 31DDAA6', "")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_sink_0.set_samp_rate(3000000)
self.uhd_usrp_sink_0.set_center_freq(1E9, 0)
self.uhd_usrp_sink_0.set_gain(50, 0)
self.uhd_usrp_sink_0.set_antenna('TX/RX', 0)
self.qtgui_time_sink_x_0 = qtgui.time_sink_c(
1024, #size
samp_rate, #samp_rate
'Scope Plot', #name
1 #number of inputs
)
self.qtgui_time_sink_x_0.set_update_time(0.10)
self.qtgui_time_sink_x_0.set_y_axis(-1, 1)
self.qtgui_time_sink_x_0.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_0.enable_tags(-1, True)
self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS, 0.0, 0,
0, "")
self.qtgui_time_sink_x_0.enable_autoscale(True)
self.qtgui_time_sink_x_0.enable_grid(False)
self.qtgui_time_sink_x_0.enable_axis_labels(True)
self.qtgui_time_sink_x_0.enable_control_panel(False)
self.qtgui_time_sink_x_0.enable_stem_plot(False)
if not True:
self.qtgui_time_sink_x_0.disable_legend()
labels = ['Scope Plot', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "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):
if len(labels[i]) == 0:
if (i % 2 == 0):
self.qtgui_time_sink_x_0.set_line_label(
i, "Re{{Data {0}}}".format(i / 2))
else:
self.qtgui_time_sink_x_0.set_line_label(
i, "Im{{Data {0}}}".format(i / 2))
else:
self.qtgui_time_sink_x_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_win = sip.wrapinstance(
self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_win)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
'FFT Plot', #name
1 #number of inputs
)
self.qtgui_freq_sink_x_0.set_update_time(0.10)
self.qtgui_freq_sink_x_0.set_y_axis(-140, 10)
self.qtgui_freq_sink_x_0.set_y_label('Relative Gain', 'dB')
self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0,
"")
self.qtgui_freq_sink_x_0.enable_autoscale(True)
self.qtgui_freq_sink_x_0.enable_grid(False)
self.qtgui_freq_sink_x_0.set_fft_average(1.0)
self.qtgui_freq_sink_x_0.enable_axis_labels(True)
self.qtgui_freq_sink_x_0.enable_control_panel(False)
if not True:
self.qtgui_freq_sink_x_0.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_freq_sink_x_0.set_plot_pos_half(not True)
labels = ['', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "dark blue"
]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(
self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win)
self.fft_vxx_1 = fft.fft_vcc(N_fft, True,
(window.blackmanharris(N_fft)), False, 1)
self.fft_vxx_0 = fft.fft_vcc(fft_len, False, (()), True, 1)
self.digital_protocol_formatter_bb_0 = digital.protocol_formatter_bb(
hdr_format, length_tag_key)
self.digital_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_vector_to_stream_0 = blocks.vector_to_stream(
gr.sizeof_float * 1, N_fft)
self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux(
gr.sizeof_gr_complex * 1, length_tag_key, 0)
self.blocks_tag_gate_0 = blocks.tag_gate(gr.sizeof_gr_complex * 1,
False)
self.blocks_tag_gate_0.set_single_key("")
self.blocks_stream_to_vector_0 = blocks.stream_to_vector(
gr.sizeof_gr_complex * 1, N_fft)
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_nlog10_ff_0_0 = blocks.nlog10_ff(10, 1, 0)
self.blocks_nlog10_ff_0 = blocks.nlog10_ff(10, 1,
-1 * min_singnal_var0)
self.blocks_multiply_const_vxx_0_2 = blocks.multiply_const_vcc(
(0.05, ))
self.blocks_multiply_const_vxx_0_1 = blocks.multiply_const_vff(
(N_fft / 50e6, ))
self.blocks_multiply_const_vxx_0_0_0 = blocks.multiply_const_vff(
(N_fft / 50e6, ))
self.blocks_min_xx_0 = blocks.min_ff(N_fft, 1)
self.blocks_float_to_uchar_0 = blocks.float_to_uchar()
self.blocks_complex_to_mag_squared_0 = blocks.complex_to_mag_squared(
N_fft)
##################################################
# Connections
##################################################
self.connect((self.blocks_complex_to_mag_squared_0, 0),
(self.blocks_min_xx_0, 0))
self.connect((self.blocks_complex_to_mag_squared_0, 0),
(self.blocks_vector_to_stream_0, 0))
self.connect((self.blocks_float_to_uchar_0, 0),
(self.blocks_stream_to_tagged_stream_0, 0))
self.connect((self.blocks_min_xx_0, 0),
(self.blocks_multiply_const_vxx_0_0_0, 0))
self.connect((self.blocks_multiply_const_vxx_0_0_0, 0),
(self.blocks_nlog10_ff_0_0, 0))
self.connect((self.blocks_multiply_const_vxx_0_1, 0),
(self.blocks_nlog10_ff_0, 0))
self.connect((self.blocks_multiply_const_vxx_0_2, 0),
(self.blocks_tag_gate_0, 0))
self.connect((self.blocks_nlog10_ff_0, 0),
(self.blocks_float_to_uchar_0, 0))
self.connect((self.blocks_nlog10_ff_0_0, 0), (self.min_signal0, 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_stream_to_vector_0, 0), (self.fft_vxx_1, 0))
self.connect((self.blocks_tag_gate_0, 0),
(self.qtgui_freq_sink_x_0, 0))
self.connect((self.blocks_tag_gate_0, 0),
(self.qtgui_time_sink_x_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.blocks_vector_to_stream_0, 0),
(self.blocks_multiply_const_vxx_0_1, 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_2, 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))
self.connect((self.fft_vxx_1, 0),
(self.blocks_complex_to_mag_squared_0, 0))
self.connect((self.uhd_usrp_source_0, 0),
(self.blocks_stream_to_vector_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, "DL Demod training")
Qt.QWidget.__init__(self)
self.setWindowTitle("DL Demod training")
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_base")
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_length"
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_0 = length_tag_key_0 = "frame_len"
self.length_tag_key = length_tag_key = "packet_len"
self.header_mod = header_mod = digital.constellation_bpsk()
self.fft_len = fft_len = 64
self.errors = errors = 0
self.variable_qtgui_label_0 = variable_qtgui_label_0 = errors
self.training_mod = training_mod = 10
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.stop_button = stop_button = 0
self.stop_button_args = stop_button_args = None
self.start_button = start_button = 0
self.start_button_args = start_button_args = None
self.snr_stop = snr_stop = 12
self.snr_step = snr_step = 0.2
self.snr_start = snr_start = -4
self.samp_rate = samp_rate = 1e6
self.rolloff = rolloff = 0
self.reset_ber = reset_ber = 0
self.reset_ber_args = reset_ber_args = None
self.reset = reset = 0
self.reset_args = reset_args = None
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 = 256
self.mag = mag = -4
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_0,
bits_per_header_sym=header_mod.bits_per_symbol(),
bits_per_payload_sym=payload_mod.bits_per_symbol(),
scramble_header=False)
self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe(
fft_len, header_mod.base(), occupied_carriers, pilot_carriers,
pilot_symbols)
self.hdr_format = hdr_format = digital.header_format_ofdm(
occupied_carriers,
1,
length_tag_key,
)
self.gain_rx = gain_rx = 0
self.gain = gain = 30
self.freq = freq = 900e6
##################################################
# Blocks
##################################################
self._training_mod_tool_bar = Qt.QToolBar(self)
self._training_mod_tool_bar.addWidget(
Qt.QLabel('Alternate training every' + ": "))
self._training_mod_line_edit = Qt.QLineEdit(str(self.training_mod))
self._training_mod_tool_bar.addWidget(self._training_mod_line_edit)
self._training_mod_line_edit.returnPressed.connect(
lambda: self.set_training_mod(
int(str(self._training_mod_line_edit.text()))))
self.top_grid_layout.addWidget(self._training_mod_tool_bar, 4, 0, 1, 1)
for r in range(4, 5):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 1):
self.top_grid_layout.setColumnStretch(c, 1)
self._mag_range = Range(snr_start, 20, 0.01, -4, 200)
self._mag_win = RangeWidget(self._mag_range, self.set_mag, 'Magnitude',
"counter_slider", float)
self.top_grid_layout.addWidget(self._mag_win, 2, 0, 2, 2)
for r in range(2, 4):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 2):
self.top_grid_layout.setColumnStretch(c, 1)
self.learning_sweeper_0 = learning.sweeper(
self, np.arange(snr_start, snr_stop, snr_step), 200,
'learning_ber_bf_0', 'blocks_probe_signal_x_0', self.set_mag)
self.learning_dl_demod_0 = learning.dl_demod('packet_num',
packet_len * 4, 16,
training_mod, 0.05)
self.learning_ber_bf_0 = learning.ber_bf(False, 100, -7.0, 2)
self._gain_rx_range = Range(0, 90, .2, 0, 200)
self._gain_rx_win = RangeWidget(self._gain_rx_range, self.set_gain_rx,
'Amplitude Rx', "counter_slider",
float)
self.top_grid_layout.addWidget(self._gain_rx_win, 0, 2, 2, 1)
for r in range(0, 2):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(2, 3):
self.top_grid_layout.setColumnStretch(c, 1)
self._gain_range = Range(0, 90, .2, 30, 200)
self._gain_win = RangeWidget(self._gain_range, self.set_gain,
'Amplitude', "counter_slider", float)
self.top_grid_layout.addWidget(self._gain_win, 0, 0, 2, 2)
for r in range(0, 2):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 2):
self.top_grid_layout.setColumnStretch(c, 1)
self._variable_qtgui_label_0_tool_bar = Qt.QToolBar(self)
if None:
self._variable_qtgui_label_0_formatter = None
else:
self._variable_qtgui_label_0_formatter = lambda x: str(x)
self._variable_qtgui_label_0_tool_bar.addWidget(
Qt.QLabel('Error count' + ": "))
self._variable_qtgui_label_0_label = Qt.QLabel(
str(
self._variable_qtgui_label_0_formatter(
self.variable_qtgui_label_0)))
self._variable_qtgui_label_0_tool_bar.addWidget(
self._variable_qtgui_label_0_label)
self.top_grid_layout.addWidget(self._variable_qtgui_label_0_tool_bar,
4, 1, 1, 1)
for r in range(4, 5):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(1, 2):
self.top_grid_layout.setColumnStretch(c, 1)
self.uhd_usrp_source_0 = uhd.usrp_source(
",".join(("", "")),
uhd.stream_args(
cpu_format="fc32",
args='',
channels=[],
),
)
self.uhd_usrp_source_0.set_center_freq(freq, 0)
self.uhd_usrp_source_0.set_rx_agc(False, 0)
self.uhd_usrp_source_0.set_gain(gain_rx, 0)
self.uhd_usrp_source_0.set_antenna('RX2', 0)
self.uhd_usrp_source_0.set_samp_rate(samp_rate)
self.uhd_usrp_source_0.set_time_now(uhd.time_spec(time.time()),
uhd.ALL_MBOARDS)
self.uhd_usrp_sink_0 = uhd.usrp_sink(
",".join(("", "")),
uhd.stream_args(
cpu_format="fc32",
args='',
channels=[],
),
'',
)
self.uhd_usrp_sink_0.set_center_freq(freq, 0)
self.uhd_usrp_sink_0.set_gain(gain, 0)
self.uhd_usrp_sink_0.set_antenna('TX/RX', 0)
self.uhd_usrp_sink_0.set_samp_rate(samp_rate)
self.uhd_usrp_sink_0.set_time_now(uhd.time_spec(time.time()),
uhd.ALL_MBOARDS)
_stop_button_push_button = Qt.QPushButton('&Stop sweep')
def stop_button_handler():
if self.stop_button_args is not None:
self.set_stop_button(self.learning_sweeper_0.stop_sweep())
else:
self.set_stop_button(self.learning_sweeper_0.stop_sweep())
_stop_button_push_button.clicked.connect(stop_button_handler)
self.top_grid_layout.addWidget(_stop_button_push_button, 9, 0, 1, 1)
for r in range(9, 10):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 1):
self.top_grid_layout.setColumnStretch(c, 1)
_start_button_push_button = Qt.QPushButton('&Start sweep')
def start_button_handler():
if self.start_button_args is not None:
self.set_start_button(self.learning_sweeper_0.start_sweep())
else:
self.set_start_button(self.learning_sweeper_0.start_sweep())
_start_button_push_button.clicked.connect(start_button_handler)
self.top_grid_layout.addWidget(_start_button_push_button, 8, 0, 1, 1)
for r in range(8, 9):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 1):
self.top_grid_layout.setColumnStretch(c, 1)
_reset_ber_push_button = Qt.QPushButton(
"Reset &BER last: {}".format(reset_ber))
def reset_ber_handler():
if self.reset_ber_args is not None:
self.set_reset_ber(self.learning_ber_bf_0.reset_counters())
else:
self.set_reset_ber(self.learning_ber_bf_0.reset_counters())
_reset_ber_push_button.clicked.connect(reset_ber_handler)
self.top_grid_layout.addWidget(_reset_ber_push_button, 5, 1, 1, 1)
for r in range(5, 6):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(1, 2):
self.top_grid_layout.setColumnStretch(c, 1)
_reset_push_button = Qt.QPushButton('&Reset model state')
def reset_handler():
if self.reset_args is not None:
self.set_reset(self.learning_dl_demod_0.reset())
else:
self.set_reset(self.learning_dl_demod_0.reset())
_reset_push_button.clicked.connect(reset_handler)
self.top_grid_layout.addWidget(_reset_push_button, 5, 0, 1, 1)
for r in range(5, 6):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 1):
self.top_grid_layout.setColumnStretch(c, 1)
self.qtgui_vector_sink_f_0 = qtgui.vector_sink_f(
len(np.arange(snr_start, snr_stop, snr_step)),
snr_start,
snr_step,
"Eb/N0",
"BER (log)",
"BER Curve",
2 # Number of inputs
)
self.qtgui_vector_sink_f_0.set_update_time(0.10)
self.qtgui_vector_sink_f_0.set_y_axis(-7, 0)
self.qtgui_vector_sink_f_0.enable_autoscale(False)
self.qtgui_vector_sink_f_0.enable_grid(False)
self.qtgui_vector_sink_f_0.set_x_axis_units("")
self.qtgui_vector_sink_f_0.set_y_axis_units("")
self.qtgui_vector_sink_f_0.set_ref_level(0)
labels = ['Measure', 'Theory', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "dark blue"
]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in range(2):
if len(labels[i]) == 0:
self.qtgui_vector_sink_f_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_vector_sink_f_0.set_line_label(i, labels[i])
self.qtgui_vector_sink_f_0.set_line_width(i, widths[i])
self.qtgui_vector_sink_f_0.set_line_color(i, colors[i])
self.qtgui_vector_sink_f_0.set_line_alpha(i, alphas[i])
self._qtgui_vector_sink_f_0_win = sip.wrapinstance(
self.qtgui_vector_sink_f_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_vector_sink_f_0_win, 8, 1,
2, 1)
for r in range(8, 10):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(1, 2):
self.top_grid_layout.setColumnStretch(c, 1)
self.qtgui_time_sink_x_0_0 = qtgui.time_sink_f(
1024, #size
samp_rate, #samp_rate
'Scope Plot', #name
1 #number of inputs
)
self.qtgui_time_sink_x_0_0.set_update_time(0.10)
self.qtgui_time_sink_x_0_0.set_y_axis(-1, 1)
self.qtgui_time_sink_x_0_0.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_0_0.enable_tags(True)
self.qtgui_time_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS, 0.0,
0, 0, "packet_num")
self.qtgui_time_sink_x_0_0.enable_autoscale(False)
self.qtgui_time_sink_x_0_0.enable_grid(False)
self.qtgui_time_sink_x_0_0.enable_axis_labels(True)
self.qtgui_time_sink_x_0_0.enable_control_panel(False)
self.qtgui_time_sink_x_0_0.enable_stem_plot(False)
labels = ['Scope Plot', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
'blue', 'red', 'green', 'black', 'cyan', 'magenta', 'yellow',
'dark red', 'dark green', 'dark blue'
]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1]
for i in range(1):
if len(labels[i]) == 0:
self.qtgui_time_sink_x_0_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_0_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_0_win = sip.wrapinstance(
self.qtgui_time_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_0_win, 6, 1,
2, 2)
for r in range(6, 8):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(1, 3):
self.top_grid_layout.setColumnStretch(c, 1)
self.qtgui_number_sink_1_0 = qtgui.number_sink(gr.sizeof_float, 0,
qtgui.NUM_GRAPH_HORIZ,
1)
self.qtgui_number_sink_1_0.set_update_time(0.10)
self.qtgui_number_sink_1_0.set_title("BER")
labels = ['', '', '', '', '', '', '', '', '', '']
units = ['', '', '', '', '', '', '', '', '', '']
colors = [("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black")]
factor = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
for i in range(1):
self.qtgui_number_sink_1_0.set_min(i, 0)
self.qtgui_number_sink_1_0.set_max(i, 100)
self.qtgui_number_sink_1_0.set_color(i, colors[i][0], colors[i][1])
if len(labels[i]) == 0:
self.qtgui_number_sink_1_0.set_label(i, "Data {0}".format(i))
else:
self.qtgui_number_sink_1_0.set_label(i, labels[i])
self.qtgui_number_sink_1_0.set_unit(i, units[i])
self.qtgui_number_sink_1_0.set_factor(i, factor[i])
self.qtgui_number_sink_1_0.enable_autoscale(False)
self._qtgui_number_sink_1_0_win = sip.wrapinstance(
self.qtgui_number_sink_1_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_number_sink_1_0_win, 4, 2,
2, 1)
for r in range(4, 6):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(2, 3):
self.top_grid_layout.setColumnStretch(c, 1)
self.qtgui_number_sink_1 = qtgui.number_sink(gr.sizeof_float, 0.8,
qtgui.NUM_GRAPH_HORIZ, 1)
self.qtgui_number_sink_1.set_update_time(0.10)
self.qtgui_number_sink_1.set_title("Eb/No")
labels = ['', '', '', '', '', '', '', '', '', '']
units = ['', '', '', '', '', '', '', '', '', '']
colors = [("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black")]
factor = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
for i in range(1):
self.qtgui_number_sink_1.set_min(i, 0)
self.qtgui_number_sink_1.set_max(i, 100)
self.qtgui_number_sink_1.set_color(i, colors[i][0], colors[i][1])
if len(labels[i]) == 0:
self.qtgui_number_sink_1.set_label(i, "Data {0}".format(i))
else:
self.qtgui_number_sink_1.set_label(i, labels[i])
self.qtgui_number_sink_1.set_unit(i, units[i])
self.qtgui_number_sink_1.set_factor(i, factor[i])
self.qtgui_number_sink_1.enable_autoscale(False)
self._qtgui_number_sink_1_win = sip.wrapinstance(
self.qtgui_number_sink_1.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_number_sink_1_win, 2, 2, 2,
1)
for r in range(2, 4):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(2, 3):
self.top_grid_layout.setColumnStretch(c, 1)
self.qtgui_const_sink_x_0 = qtgui.const_sink_c(
1024, #size
"", #name
1 #number of inputs
)
self.qtgui_const_sink_x_0.set_update_time(0.10)
self.qtgui_const_sink_x_0.set_y_axis(-2, 2)
self.qtgui_const_sink_x_0.set_x_axis(-2, 2)
self.qtgui_const_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS, 0.0,
0, "")
self.qtgui_const_sink_x_0.enable_autoscale(False)
self.qtgui_const_sink_x_0.enable_grid(False)
self.qtgui_const_sink_x_0.enable_axis_labels(True)
labels = ['', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "red", "red", "red", "red", "red", "red", "red",
"red"
]
styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
markers = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in range(1):
if len(labels[i]) == 0:
self.qtgui_const_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_const_sink_x_0.set_line_label(i, labels[i])
self.qtgui_const_sink_x_0.set_line_width(i, widths[i])
self.qtgui_const_sink_x_0.set_line_color(i, colors[i])
self.qtgui_const_sink_x_0.set_line_style(i, styles[i])
self.qtgui_const_sink_x_0.set_line_marker(i, markers[i])
self.qtgui_const_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_const_sink_x_0_win = sip.wrapinstance(
self.qtgui_const_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_win, 6, 0, 2,
1)
for r in range(6, 8):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 1):
self.top_grid_layout.setColumnStretch(c, 1)
self.learning_tag_numerotation_0 = learning.tag_numerotation(
'packet_num', packet_len * 4, 4096, "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)
def _errors_probe():
while True:
val = self.learning_ber_bf_0.total_errors()
try:
self.set_errors(val)
except AttributeError:
pass
time.sleep(1.0 / (10))
_errors_thread = threading.Thread(target=_errors_probe)
_errors_thread.daemon = True
_errors_thread.start()
self.epy_block_0 = epy_block_0.alignement(tag_name="packet_num",
frame_size=packet_len * 4)
self.digital_protocol_formatter_bb_0 = digital.protocol_formatter_bb(
hdr_format, length_tag_key)
self.digital_packet_headerparser_b_0 = digital.packet_headerparser_b(
header_formatter.base())
self.digital_ofdm_sync_sc_cfb_0 = digital.ofdm_sync_sc_cfb(
fft_len, fft_len // 4, False, 0.95)
self.digital_ofdm_serializer_vcc_payload = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key_0,
packet_length_tag_key, 1, '', True)
self.digital_ofdm_serializer_vcc_header = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key_0, '', 0, '', True)
self.digital_ofdm_frame_equalizer_vcvc_1 = digital.ofdm_frame_equalizer_vcvc(
payload_equalizer.base(), fft_len // 4, length_tag_key_0, True, 0)
self.digital_ofdm_frame_equalizer_vcvc_0 = digital.ofdm_frame_equalizer_vcvc(
header_equalizer.base(), fft_len // 4, length_tag_key_0, True, 1)
self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer(
fft_len, fft_len + fft_len // 4, rolloff, length_tag_key)
self.digital_ofdm_chanest_vcvc_0 = digital.ofdm_chanest_vcvc(
sync_word1, sync_word2, 1, 0, 3, False)
self.digital_ofdm_carrier_allocator_cvc_0 = digital.ofdm_carrier_allocator_cvc(
fft_len, occupied_carriers, pilot_carriers, pilot_symbols,
(sync_word1, sync_word2), length_tag_key, True)
self.digital_header_payload_demux_0 = digital.header_payload_demux(
3, fft_len, fft_len // 4, length_tag_key_0, "", True,
gr.sizeof_gr_complex, "rx_time", int(samp_rate), (), 0)
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(
header_mod.base())
self.digital_chunks_to_symbols_xx_0_0_0 = digital.chunks_to_symbols_bc(
payload_mod.points(), 1)
self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc(
payload_mod.points(), 1)
self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc(
header_mod.points(), 1)
self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux(
gr.sizeof_gr_complex * 1, length_tag_key, 0)
self.blocks_sub_xx_0_0 = blocks.sub_cc(1)
self.blocks_sub_xx_0 = blocks.sub_ff(1)
self.blocks_stream_to_tagged_stream_0_0 = blocks.stream_to_tagged_stream(
gr.sizeof_char, 1, packet_len, length_tag_key)
self.blocks_repack_bits_bb_0_0_0 = blocks.repack_bits_bb(
8, 1, length_tag_key, False, gr.GR_LSB_FIRST)
self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb(
8, payload_mod.bits_per_symbol(), length_tag_key, False,
gr.GR_LSB_FIRST)
self.blocks_probe_signal_x_0 = blocks.probe_signal_f()
self.blocks_nlog10_ff_0 = blocks.nlog10_ff(-10, 1,
10 * np.log10(4 / 2))
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_multiply_const_xx_0 = blocks.multiply_const_cc(0.05, 1)
self.blocks_moving_average_xx_0 = blocks.moving_average_ff(
5000, 1.0 / 5000, 4000, 1)
self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex * 1,
fft_len + fft_len // 4)
self.blocks_complex_to_mag_squared_0 = blocks.complex_to_mag_squared(1)
self.blocks_char_to_float_0_0_0 = blocks.char_to_float(1, 1)
self.blocks_char_to_float_0_0 = blocks.char_to_float(1, 1)
self.blocks_add_xx_0 = blocks.add_vcc(1)
self.analog_random_source_x_0_0 = blocks.vector_source_b(
list(map(int, numpy.random.randint(0, 255, 1000))), True)
self.analog_noise_source_x_0 = analog.noise_source_c(
analog.GR_GAUSSIAN,
np.sqrt(10**(np.log10(2) - (mag / 10.0))) * 1, -1)
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, 1))
self.connect((self.analog_noise_source_x_0, 0),
(self.blocks_add_xx_0, 1))
self.connect((self.analog_random_source_x_0_0, 0),
(self.blocks_stream_to_tagged_stream_0_0, 0))
self.connect((self.blocks_add_xx_0, 0), (self.epy_block_0, 0))
self.connect((self.blocks_add_xx_0, 0), (self.qtgui_const_sink_x_0, 0))
self.connect((self.blocks_char_to_float_0_0, 0),
(self.blocks_sub_xx_0, 0))
self.connect((self.blocks_char_to_float_0_0_0, 0),
(self.blocks_sub_xx_0, 1))
self.connect((self.blocks_complex_to_mag_squared_0, 0),
(self.blocks_moving_average_xx_0, 0))
self.connect((self.blocks_delay_0, 0), (self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_moving_average_xx_0, 0),
(self.blocks_nlog10_ff_0, 0))
self.connect((self.blocks_multiply_const_xx_0, 0),
(self.uhd_usrp_sink_0, 0))
self.connect((self.blocks_multiply_xx_0, 0),
(self.digital_header_payload_demux_0, 0))
self.connect((self.blocks_nlog10_ff_0, 0),
(self.qtgui_number_sink_1, 0))
self.connect((self.blocks_repack_bits_bb_0_0, 0),
(self.learning_tag_numerotation_0, 0))
self.connect((self.blocks_repack_bits_bb_0_0_0, 0),
(self.digital_chunks_to_symbols_xx_0, 0))
self.connect((self.blocks_stream_to_tagged_stream_0_0, 0),
(self.blocks_repack_bits_bb_0_0, 0))
self.connect((self.blocks_stream_to_tagged_stream_0_0, 0),
(self.digital_protocol_formatter_bb_0, 0))
self.connect((self.blocks_sub_xx_0, 0),
(self.qtgui_time_sink_x_0_0, 0))
self.connect((self.blocks_sub_xx_0_0, 0),
(self.blocks_complex_to_mag_squared_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_chunks_to_symbols_xx_0_0_0, 0),
(self.blocks_sub_xx_0_0, 1))
self.connect((self.digital_constellation_decoder_cb_0, 0),
(self.digital_packet_headerparser_b_0, 0))
self.connect((self.digital_header_payload_demux_0, 0),
(self.fft_vxx_0, 0))
self.connect((self.digital_header_payload_demux_0, 1),
(self.fft_vxx_1, 0))
self.connect((self.digital_ofdm_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_xx_0, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_0, 0),
(self.digital_ofdm_serializer_vcc_header, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_1, 0),
(self.digital_ofdm_serializer_vcc_payload, 0))
self.connect((self.digital_ofdm_serializer_vcc_header, 0),
(self.digital_constellation_decoder_cb_0, 0))
self.connect((self.digital_ofdm_serializer_vcc_payload, 0),
(self.blocks_add_xx_0, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 0),
(self.analog_frequency_modulator_fc_0, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 1),
(self.digital_header_payload_demux_0, 1))
self.connect((self.digital_protocol_formatter_bb_0, 0),
(self.blocks_repack_bits_bb_0_0_0, 0))
self.connect((self.epy_block_0, 0), (self.blocks_sub_xx_0_0, 0))
self.connect((self.epy_block_0, 1),
(self.digital_chunks_to_symbols_xx_0_0_0, 0))
self.connect((self.epy_block_0, 0), (self.learning_dl_demod_0, 0))
self.connect((self.epy_block_0, 1), (self.learning_dl_demod_0, 1))
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.learning_ber_bf_0, 0),
(self.blocks_probe_signal_x_0, 0))
self.connect((self.learning_ber_bf_0, 0),
(self.qtgui_number_sink_1_0, 0))
self.connect((self.learning_dl_demod_0, 0),
(self.blocks_char_to_float_0_0, 0))
self.connect((self.learning_dl_demod_0, 1),
(self.blocks_char_to_float_0_0_0, 0))
self.connect((self.learning_dl_demod_0, 0),
(self.learning_ber_bf_0, 0))
self.connect((self.learning_dl_demod_0, 1),
(self.learning_ber_bf_0, 1))
self.connect((self.learning_sweeper_0, 0),
(self.qtgui_vector_sink_f_0, 0))
self.connect((self.learning_sweeper_0, 1),
(self.qtgui_vector_sink_f_0, 1))
self.connect((self.learning_tag_numerotation_0, 0),
(self.digital_chunks_to_symbols_xx_0_0, 0))
self.connect((self.learning_tag_numerotation_0, 0),
(self.epy_block_0, 1))
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))
