def __init__(self, bitrate,
constellation, samples_per_symbol,
differential, excess_bw, gray_coded,
freq_bw, timing_bw, phase_bw,
verbose, log):
gr.hier_block2.__init__(self, "bert_receive",
gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature
gr.io_signature(0, 0, 0)) # Output signature
self._bitrate = bitrate
self._demod = digital.generic_demod(constellation, differential,
samples_per_symbol,
gray_coded, excess_bw,
freq_bw, timing_bw, phase_bw,
verbose, log)
self._symbol_rate = self._bitrate / self._demod.bits_per_symbol()
self._sample_rate = self._symbol_rate * samples_per_symbol
# Add an SNR probe on the demodulated constellation
self._snr_probe = digital.probe_mpsk_snr_est_c(digital.SNR_EST_M2M4, 1000,
alpha=10.0/self._symbol_rate)
self.connect(self._demod.time_recov, self._snr_probe)
# Descramble BERT sequence. A channel error will create 3 incorrect bits
self._descrambler = digital.descrambler_bb(0x8A, 0x7F, 7) # CCSDS 7-bit descrambler
# Measure BER by the density of 0s in the stream
self._ber = digital.probe_density_b(1.0/self._symbol_rate)
self.connect(self, self._demod, self._descrambler, self._ber)
def __init__(self, bitrate, constellation, samples_per_symbol,
differential, excess_bw, gray_coded, freq_bw, timing_bw,
phase_bw, verbose, log):
gr.hier_block2.__init__(
self,
"bert_receive",
gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature
gr.io_signature(0, 0, 0)) # Output signature
self._bitrate = bitrate
self._demod = digital.generic_demod(constellation, differential,
samples_per_symbol, gray_coded,
excess_bw, freq_bw, timing_bw,
phase_bw, verbose, log)
self._symbol_rate = self._bitrate / self._demod.bits_per_symbol()
self._sample_rate = self._symbol_rate * samples_per_symbol
# Add an SNR probe on the demodulated constellation
self._snr_probe = digital.probe_mpsk_snr_est_c(digital.SNR_EST_M2M4,
1000,
alpha=10.0 /
self._symbol_rate)
self.connect(self._demod.time_recov, self._snr_probe)
# Descramble BERT sequence. A channel error will create 3 incorrect bits
self._descrambler = digital.descrambler_bb(
0x8A, 0x7F, 7) # CCSDS 7-bit descrambler
# Measure BER by the density of 0s in the stream
self._ber = digital.probe_density_b(1.0 / self._symbol_rate)
self.connect(self, self._demod, self._descrambler, self._ber)
def test_probe_mpsk_snr_est_m2m4(self):
expected_result = [8.01, 3.19, 1.97, 2.15, 2.65]
actual_result = []
for i in xrange(1,6):
src_data = [b+(i*n) for b,n in zip(self._bits, self._noise)]
src = blocks.vector_source_c(src_data)
N = 10000
alpha = 0.001
op = digital.probe_mpsk_snr_est_c(digital.SNR_EST_M2M4, N, alpha)
tb = gr.top_block()
tb.connect(src, op)
tb.run() # run the graph and wait for it to finish
actual_result.append(op.snr())
self.assertFloatTuplesAlmostEqual(expected_result, actual_result, 2)
def __init__(self,
name="SNREstimator",
algorithm=SVR,
alpha=0.001):
"""
CTOR
@param name
@param algorithm
@param alpha
"""
self._estimator = digital.probe_mpsk_snr_est_c(algorithm, 10000, alpha)
UHDGenericArch.__init__(self,
name=name,
input_signature=self._estimator.input_signature(),
output_signature=self._estimator.output_signature())
Logger.register(name, ['snr', ])
self.register_scheduling(lambda: Logger.append(name, 'snr', self.get_snr()), delay_sec=0.2) #pylint: disable=E1101
def __init__(self, fD=10, id_user=0):
gr.top_block.__init__(self, "Polar Coding with Coded Caching")
##################################################
# Parameters
##################################################
self.fD = fD
self.id_user = id_user
##################################################
# Variables
##################################################
self.snr = snr = 14 + 20 * numpy.log10(4)
self.pilot_symbols = pilot_symbols = ((
1,
1,
1,
-1,
), )
self.pilot_carriers = pilot_carriers = ((
-21,
-7,
7,
21,
), )
self.payload_mod = payload_mod = digital.constellation_qpsk()
self.packet_length_tag_key = packet_length_tag_key = "packet_len"
self.occupied_carriers = occupied_carriers = (
range(-26, -21) + range(-20, -7) + range(-6, 0) + range(1, 7) +
range(8, 21) + range(22, 27), )
self.length_tag_key = length_tag_key = "frame_len"
self.header_mod = header_mod = digital.constellation_bpsk()
self.fft_len = fft_len = 64
self.variance = variance = 1 / pow(10, snr / 10.0)
self.sync_word2 = sync_word2 = [
0, 0, 0, 0, 0, 0, -1, -1, -1, -1, 1, 1, -1, -1, -1, 1, -1, 1, 1, 1,
1, 1, -1, -1, -1, -1, -1, 1, -1, -1, 1, -1, 0, 1, -1, 1, 1, 1, -1,
1, 1, 1, -1, 1, 1, 1, 1, -1, 1, -1, -1, -1, 1, -1, 1, -1, -1, -1,
-1, 0, 0, 0, 0, 0
]
self.sync_word1 = sync_word1 = [
0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0.,
1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0.,
1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0.,
-1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
0., 0., 0., 0., 0.
]
self.small_packet_len = small_packet_len = 52
self.samp_rate = samp_rate = int(1e6)
self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe(
fft_len, payload_mod.base(), occupied_carriers, pilot_carriers,
pilot_symbols, 0, 1)
self.header_formatter = header_formatter = digital.packet_header_ofdm(
occupied_carriers,
n_syms=1,
len_tag_key=packet_length_tag_key,
frame_len_tag_key=length_tag_key,
bits_per_header_sym=header_mod.bits_per_symbol(),
bits_per_payload_sym=payload_mod.bits_per_symbol(),
scramble_header=False)
self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe(
fft_len, header_mod.base(), occupied_carriers, pilot_carriers,
pilot_symbols, 0, 1)
self.gain = gain = 25
self.freq = freq = 2450e6
self.coderate = coderate = [1, 2, 2, 3, 4]
self.Users = Users = 4
self.Nbfiles = Nbfiles = 20
self.NbStrgUsers = NbStrgUsers = 1
self.NbChuncks = NbChuncks = 200
self.N = N = 2048
##################################################
# Blocks
##################################################
self.zeromq_sub_source_0 = zeromq.sub_source(gr.sizeof_gr_complex, 1,
'tcp://localhost:5565',
100, False, -1)
self.zeromq_sub_msg_source_0_0_0 = zeromq.sub_msg_source(
'tcp://localhost:5575', 10)
self.zeromq_sub_msg_source_0_0 = zeromq.sub_msg_source(
'tcp://localhost:5555', 10)
self.projectCACHE_ofdm_frame_equalizer1_vcvc_0 = projectCACHE.ofdm_frame_equalizer1_vcvc(
fft_len, fft_len / 4, length_tag_key, True, occupied_carriers,
pilot_carriers, pilot_symbols, 0, True)
self.projectCACHE_PolarDec_b_0_0 = projectCACHE.PolarDec_b(
N, Nbfiles, NbChuncks, id_user, Users, small_packet_len, 42,
coderate[id_user], packet_length_tag_key)
self.projectCACHE_PC_Error_Rate_0_0 = projectCACHE.PC_Error_Rate(
id_user, 200)
self.fft_vxx_1 = fft.fft_vcc(fft_len, True, (), True, 1)
self.fft_vxx_0 = fft.fft_vcc(fft_len, True, (()), True, 1)
self.digital_probe_mpsk_snr_est_c_0 = digital.probe_mpsk_snr_est_c(
3, 1000, 0.0001)
self.digital_packet_headerparser_b_0 = digital.packet_headerparser_b(
header_formatter.base())
self.digital_ofdm_sync_sc_cfb_0 = digital.ofdm_sync_sc_cfb(
fft_len, fft_len / 4, False, 0.9)
self.digital_ofdm_serializer_vcc_payload_0 = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key, packet_length_tag_key,
1, '', True)
self.digital_ofdm_serializer_vcc_payload = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key, packet_length_tag_key,
1, '', True)
self.digital_ofdm_serializer_vcc_header = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key, '', 0, '', True)
self.digital_ofdm_frame_equalizer_vcvc_0 = digital.ofdm_frame_equalizer_vcvc(
header_equalizer.base(), fft_len / 4, length_tag_key, True, 1)
self.digital_ofdm_chanest_vcvc_0 = digital.ofdm_chanest_vcvc(
(sync_word1), (sync_word2), 1, 0, 3, False)
self.digital_header_payload_demux_0 = digital.header_payload_demux(
3,
fft_len,
fft_len / 4,
length_tag_key,
"",
True,
gr.sizeof_gr_complex,
"rx_time",
samp_rate,
(),
0,
)
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(
header_mod.base())
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex * 1,
fft_len + fft_len / 4)
self.analog_frequency_modulator_fc_0 = analog.frequency_modulator_fc(
-2.0 / fft_len)
##################################################
# Connections
##################################################
self.msg_connect((self.digital_packet_headerparser_b_0, 'header_data'),
(self.digital_header_payload_demux_0, 'header_data'))
self.msg_connect((self.digital_probe_mpsk_snr_est_c_0, 'snr'),
(self.projectCACHE_PC_Error_Rate_0_0, 'SNR'))
self.msg_connect((self.zeromq_sub_msg_source_0_0, 'out'),
(self.projectCACHE_PC_Error_Rate_0_0, 'BER_INFO'))
self.msg_connect((self.zeromq_sub_msg_source_0_0_0, 'out'),
(self.projectCACHE_PC_Error_Rate_0_0, 'CH_USE'))
self.connect((self.analog_frequency_modulator_fc_0, 0),
(self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_delay_0, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_multiply_xx_0, 0),
(self.digital_header_payload_demux_0, 0))
self.connect((self.digital_constellation_decoder_cb_0, 0),
(self.digital_packet_headerparser_b_0, 0))
self.connect((self.digital_header_payload_demux_0, 0),
(self.fft_vxx_0, 0))
self.connect((self.digital_header_payload_demux_0, 1),
(self.fft_vxx_1, 0))
self.connect((self.digital_ofdm_chanest_vcvc_0, 0),
(self.digital_ofdm_frame_equalizer_vcvc_0, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_0, 0),
(self.digital_ofdm_serializer_vcc_header, 0))
self.connect((self.digital_ofdm_serializer_vcc_header, 0),
(self.digital_constellation_decoder_cb_0, 0))
self.connect((self.digital_ofdm_serializer_vcc_payload, 0),
(self.projectCACHE_PolarDec_b_0_0, 0))
self.connect((self.digital_ofdm_serializer_vcc_payload_0, 0),
(self.digital_probe_mpsk_snr_est_c_0, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 0),
(self.analog_frequency_modulator_fc_0, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 1),
(self.digital_header_payload_demux_0, 1))
self.connect((self.fft_vxx_0, 0),
(self.digital_ofdm_chanest_vcvc_0, 0))
self.connect((self.fft_vxx_1, 0),
(self.digital_ofdm_serializer_vcc_payload_0, 0))
self.connect((self.fft_vxx_1, 0),
(self.projectCACHE_ofdm_frame_equalizer1_vcvc_0, 0))
self.connect((self.projectCACHE_ofdm_frame_equalizer1_vcvc_0, 0),
(self.digital_ofdm_serializer_vcc_payload, 0))
self.connect((self.zeromq_sub_source_0, 0), (self.blocks_delay_0, 0))
self.connect((self.zeromq_sub_source_0, 0),
(self.digital_ofdm_sync_sc_cfb_0, 0))
def __init__(self, fc=436e6, mx=4, my=4, n=1):
gr.top_block.__init__(self, "DoA Esprit Estimation - Test")
Qt.QWidget.__init__(self)
self.setWindowTitle("DoA Esprit Estimation - Test")
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", "doaesprit_test")
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.fc = fc
self.mx = mx
self.my = my
self.n = n
##################################################
# Variables
##################################################
self.const = const = digital.constellation_qpsk().base()
self.theta = theta = 45
self.samp_rate = samp_rate = 150000
self.phi = phi = 70
self.noise_voltage = noise_voltage = 0
self.element_separation = element_separation = 0
self.bps = bps = const.bits_per_symbol()
##################################################
# Blocks
##################################################
self._theta_range = Range(0, 90, 1, 45, 200)
self._theta_win = RangeWidget(self._theta_range, self.set_theta, 'Elevation Angle', "counter_slider", float)
self.top_grid_layout.addWidget(self._theta_win, 0, 0, 1, 1)
for r in range(0, 1):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 1):
self.top_grid_layout.setColumnStretch(c, 1)
self._phi_range = Range(-180, 180, 1, 70, 200)
self._phi_win = RangeWidget(self._phi_range, self.set_phi, 'Azimut Angle', "counter_slider", float)
self.top_grid_layout.addWidget(self._phi_win, 2, 0, 1, 1)
for r in range(2, 3):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 1):
self.top_grid_layout.setColumnStretch(c, 1)
self._noise_voltage_range = Range(0, 10, 0.001, 0, 200)
self._noise_voltage_win = RangeWidget(self._noise_voltage_range, self.set_noise_voltage, 'Noise Voltage', "counter_slider", float)
self.top_grid_layout.addWidget(self._noise_voltage_win, 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._element_separation_range = Range(0, 10, 0.01, 0, 200)
self._element_separation_win = RangeWidget(self._element_separation_range, self.set_element_separation, 'Element separation distance [%', "counter_slider", float)
self.top_grid_layout.addWidget(self._element_separation_win, 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_time_sink_x_0_0 = qtgui.time_sink_c(
128, #size
samp_rate, #samp_rate
"", #name
1 #number of inputs
)
self.qtgui_time_sink_x_0_0.set_update_time(0.10)
self.qtgui_time_sink_x_0_0.set_y_axis(-1, 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 = ['Signal 1', 'Signal 2', 'Signal 3', 'Signal 4', 'Signal 5',
'Signal 6', 'Signal 7', 'Signal 8', 'Signal 9', 'Signal 10']
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ['blue', 'red', 'green', 'black', 'cyan',
'magenta', 'yellow', 'dark red', 'dark green', 'dark blue']
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
styles = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1,
-1, -1, -1, -1, -1]
for i in range(2):
if len(labels[i]) == 0:
if (i % 2 == 0):
self.qtgui_time_sink_x_0_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, 6, 0, 1, 1)
for r in range(6, 7):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 1):
self.top_grid_layout.setColumnStretch(c, 1)
self.qtgui_time_sink_x_0 = qtgui.time_sink_c(
128, #size
samp_rate, #samp_rate
"", #name
1 #number of inputs
)
self.qtgui_time_sink_x_0.set_update_time(0.10)
self.qtgui_time_sink_x_0.set_y_axis(-1, 1)
self.qtgui_time_sink_x_0.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_0.enable_tags(True)
self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
self.qtgui_time_sink_x_0.enable_autoscale(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 = ['Signal 1', 'Signal 2', 'Signal 3', 'Signal 4', 'Signal 5',
'Signal 6', 'Signal 7', 'Signal 8', 'Signal 9', 'Signal 10']
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ['blue', 'red', 'green', 'black', 'cyan',
'magenta', 'yellow', 'dark red', 'dark green', 'dark blue']
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
styles = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1,
-1, -1, -1, -1, -1]
for i in range(2):
if len(labels[i]) == 0:
if (i % 2 == 0):
self.qtgui_time_sink_x_0.set_line_label(i, "Re{{Data {0}}}".format(i/2))
else:
self.qtgui_time_sink_x_0.set_line_label(i, "Im{{Data {0}}}".format(i/2))
else:
self.qtgui_time_sink_x_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_win, 7, 0, 1, 1)
for r in range(7, 8):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 1):
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, 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)
self.digital_probe_mpsk_snr_est_c_0 = digital.probe_mpsk_snr_est_c(0, 10000, 0.001)
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(const.base())
self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc(const.points(), 1)
self.blocks_unpacked_to_packed_xx_0 = blocks.unpacked_to_packed_bb(bps, gr.GR_MSB_FIRST)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char*1, samp_rate,True)
self.blocks_packed_to_unpacked_xx_0 = blocks.packed_to_unpacked_bb(bps, gr.GR_MSB_FIRST)
self.blocks_message_debug_0 = blocks.message_debug()
self.blocks_file_source_0_0 = blocks.file_source(gr.sizeof_char*1, '/home/grigosback/Documents/GNURadio/examples/source.txt', True, 0, 0)
self.blocks_file_source_0_0.set_begin_tag(pmt.PMT_NIL)
self.blocks_file_sink_0_0 = blocks.file_sink(gr.sizeof_char*1, '/home/grigosback/Documents/GNURadio/examples/sink.txt', False)
self.blocks_file_sink_0_0.set_unbuffered(False)
self.blocks_add_xx_0 = blocks.add_vcc(mx*my)
self.beamforming_randomsampler_0 = beamforming.randomsampler(mx*my, 8)
self.beamforming_phasedarray_0 = beamforming.phasedarray(mx, my, theta, phi, 436e6, (299792458/(2*fc)), element_separation)
self.beamforming_doaesprit_py_cf_0 = beamforming.doaesprit_py_cf(mx, my, fc, (299792458/(2*fc)), n, 128)
self.beamforming_beamformer_0 = beamforming.beamformer(mx, my, 0)
self.analog_vectornoise_source_0 = analog.vectornoise_source(noise_voltage, mx*my)
##################################################
# Connections
##################################################
self.msg_connect((self.beamforming_doaesprit_py_cf_0, 'doa_port'), (self.beamforming_beamformer_0, 'doa_port'))
self.msg_connect((self.digital_probe_mpsk_snr_est_c_0, 'snr'), (self.blocks_message_debug_0, 'print'))
self.connect((self.analog_vectornoise_source_0, 0), (self.blocks_add_xx_0, 1))
self.connect((self.beamforming_beamformer_0, 0), (self.digital_constellation_decoder_cb_0, 0))
self.connect((self.beamforming_beamformer_0, 0), (self.digital_probe_mpsk_snr_est_c_0, 0))
self.connect((self.beamforming_beamformer_0, 0), (self.qtgui_const_sink_x_0, 0))
self.connect((self.beamforming_beamformer_0, 0), (self.qtgui_time_sink_x_0, 0))
self.connect((self.beamforming_phasedarray_0, 0), (self.blocks_add_xx_0, 0))
self.connect((self.beamforming_randomsampler_0, 0), (self.beamforming_doaesprit_py_cf_0, 0))
self.connect((self.blocks_add_xx_0, 0), (self.beamforming_beamformer_0, 0))
self.connect((self.blocks_add_xx_0, 0), (self.beamforming_randomsampler_0, 0))
self.connect((self.blocks_file_source_0_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_packed_to_unpacked_xx_0, 0), (self.digital_chunks_to_symbols_xx_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.blocks_packed_to_unpacked_xx_0, 0))
self.connect((self.blocks_unpacked_to_packed_xx_0, 0), (self.blocks_file_sink_0_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_0, 0), (self.beamforming_phasedarray_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_0, 0), (self.qtgui_time_sink_x_0_0, 0))
self.connect((self.digital_constellation_decoder_cb_0, 0), (self.blocks_unpacked_to_packed_xx_0, 0))
def __init__(self, id_user=0):
gr.top_block.__init__(self, "Polar Coding with Coded Caching")
##################################################
# Parameters
##################################################
self.id_user = id_user
##################################################
# Variables
##################################################
self.snr = snr = 50
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.Kw = Kw = 70 * 8
self.variance = variance = 1 / pow(10, snr / 10.0)
self.sync_word2 = sync_word2 = [
0, 0, 0, 0, 0, 0, -1, -1, -1, -1, 1, 1, -1, -1, -1, 1, -1, 1, 1, 1,
1, 1, -1, -1, -1, -1, -1, 1, -1, -1, 1, -1, 0, 1, -1, 1, 1, 1, -1,
1, 1, 1, -1, 1, 1, 1, 1, -1, 1, -1, -1, -1, 1, -1, 1, -1, -1, -1,
-1, 0, 0, 0, 0, 0
]
self.sync_word1 = sync_word1 = [
0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0.,
1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0.,
1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0.,
-1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
0., 0., 0., 0., 0.
]
self.small_packet_len = small_packet_len = 52
self.samp_rate = samp_rate = 32000
self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe(
fft_len, payload_mod.base(), occupied_carriers, pilot_carriers,
pilot_symbols, 0, 1)
self.header_formatter = header_formatter = digital.packet_header_ofdm(
occupied_carriers,
n_syms=1,
len_tag_key=packet_length_tag_key,
frame_len_tag_key=length_tag_key,
bits_per_header_sym=header_mod.bits_per_symbol(),
bits_per_payload_sym=payload_mod.bits_per_symbol(),
scramble_header=False)
self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe(
fft_len, header_mod.base(), occupied_carriers, pilot_carriers,
pilot_symbols, 0, 1)
self.coderate = coderate = [1, 2, 3, 3, 4]
self.Users = Users = 4
self.Nbfiles = Nbfiles = 20
self.NbStrgUsers = NbStrgUsers = 1
self.NbChuncks = NbChuncks = 200
self.N = N = 2048
self.Ks = Ks = 2 * Kw
##################################################
# Blocks
##################################################
self.zeromq_sub_msg_source_0_0_0 = zeromq.sub_msg_source(
'tcp://localhost:5575', 10)
self.zeromq_sub_msg_source_0_0 = zeromq.sub_msg_source(
'tcp://localhost:5555', 10)
self.zeromq_pub_msg_sink_0_0_0 = zeromq.pub_msg_sink(
'tcp://*:5575', 10)
self.zeromq_pub_msg_sink_0_0 = zeromq.pub_msg_sink('tcp://*:5555', 10)
self.projectCACHE_polarEnc_b_0_0 = projectCACHE.polarEnc_b(
N, Nbfiles, NbChuncks, NbStrgUsers, id_user, small_packet_len,
packet_length_tag_key)
self.projectCACHE_ofdm_frame_equalizer1_vcvc_0 = projectCACHE.ofdm_frame_equalizer1_vcvc(
fft_len, fft_len / 4, length_tag_key, True, occupied_carriers,
pilot_carriers, pilot_symbols, 0, True)
self.projectCACHE_map_header_payload_bc_0 = projectCACHE.map_header_payload_bc(
4, 2, packet_length_tag_key)
self.projectCACHE_PolarDec_b_0_0 = projectCACHE.PolarDec_b(
N, Nbfiles, NbChuncks, id_user, Users, small_packet_len, 42,
coderate[id_user], packet_length_tag_key)
self.projectCACHE_PC_Error_Rate_0_0 = projectCACHE.PC_Error_Rate(
id_user, 200)
self.fft_vxx_1 = fft.fft_vcc(fft_len, True, (), True, 1)
self.fft_vxx_0_0 = fft.fft_vcc(fft_len, False, (()), True, 1)
self.fft_vxx_0 = fft.fft_vcc(fft_len, True, (()), True, 1)
self.digital_probe_mpsk_snr_est_c_0 = digital.probe_mpsk_snr_est_c(
3, 1000, 0.0001)
self.digital_packet_headerparser_b_0 = digital.packet_headerparser_b(
header_formatter.base())
self.digital_packet_headergenerator_bb_0 = digital.packet_headergenerator_bb(
header_formatter.formatter(), packet_length_tag_key)
self.digital_ofdm_sync_sc_cfb_0 = digital.ofdm_sync_sc_cfb(
fft_len, fft_len / 4, False, 0.9)
self.digital_ofdm_serializer_vcc_payload_0 = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key, packet_length_tag_key,
1, '', True)
self.digital_ofdm_serializer_vcc_payload = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key, packet_length_tag_key,
1, '', True)
self.digital_ofdm_serializer_vcc_header = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key, '', 0, '', True)
self.digital_ofdm_frame_equalizer_vcvc_0 = digital.ofdm_frame_equalizer_vcvc(
header_equalizer.base(), fft_len / 4, length_tag_key, True, 1)
self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer(
fft_len, fft_len + fft_len / 4, 0, packet_length_tag_key)
self.digital_ofdm_chanest_vcvc_0 = digital.ofdm_chanest_vcvc(
(sync_word1), (sync_word2), 1, 0, 3, False)
self.digital_ofdm_carrier_allocator_cvc_0 = digital.ofdm_carrier_allocator_cvc(
fft_len, occupied_carriers, pilot_carriers, pilot_symbols,
(sync_word1, sync_word2), packet_length_tag_key)
self.digital_header_payload_demux_0 = digital.header_payload_demux(
3,
fft_len,
fft_len / 4,
length_tag_key,
"",
True,
gr.sizeof_gr_complex,
"rx_time",
samp_rate,
(),
0,
)
self.digital_constellation_decoder_cb_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.channels_channel_model_0_0 = channels.channel_model(
noise_voltage=numpy.sqrt(variance),
frequency_offset=1.0,
epsilon=1.0,
taps=(1.0, ),
noise_seed=0,
block_tags=False)
self.blocks_throttle_0_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
samp_rate, True)
self.blocks_tagged_stream_to_pdu_0 = blocks.tagged_stream_to_pdu(
blocks.complex_t, 'packet_len')
self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux(
gr.sizeof_gr_complex * 1, packet_length_tag_key, 0)
(self.blocks_tagged_stream_mux_0).set_max_output_buffer(8192)
self.blocks_tag_gate_0 = blocks.tag_gate(gr.sizeof_gr_complex * 1,
False)
self.blocks_tag_gate_0.set_single_key("")
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_multiply_const_vxx_1 = blocks.multiply_const_vcc((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.blocks_tagged_stream_to_pdu_0, 'pdus'),
(self.zeromq_pub_msg_sink_0_0_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.digital_probe_mpsk_snr_est_c_0, 'snr'),
(self.projectCACHE_PC_Error_Rate_0_0, 'SNR'))
self.msg_connect((self.projectCACHE_polarEnc_b_0_0, 'BER_INFO'),
(self.zeromq_pub_msg_sink_0_0, 'in'))
self.msg_connect((self.zeromq_sub_msg_source_0_0, 'out'),
(self.projectCACHE_PC_Error_Rate_0_0, 'BER_INFO'))
self.msg_connect((self.zeromq_sub_msg_source_0_0_0, 'out'),
(self.projectCACHE_PC_Error_Rate_0_0, 'CH_USE'))
self.connect((self.analog_frequency_modulator_fc_0, 0),
(self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_delay_0, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_multiply_const_vxx_1, 0),
(self.blocks_throttle_0_0, 0))
self.connect((self.blocks_multiply_xx_0, 0),
(self.digital_header_payload_demux_0, 0))
self.connect((self.blocks_tag_gate_0, 0),
(self.blocks_multiply_const_vxx_1, 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.channels_channel_model_0_0, 0))
self.connect((self.channels_channel_model_0_0, 0),
(self.blocks_delay_0, 0))
self.connect((self.channels_channel_model_0_0, 0),
(self.digital_ofdm_sync_sc_cfb_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_0_1, 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_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_tag_gate_0, 0))
self.connect((self.digital_ofdm_cyclic_prefixer_0, 0),
(self.blocks_tagged_stream_to_pdu_0, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_0, 0),
(self.digital_ofdm_serializer_vcc_header, 0))
self.connect((self.digital_ofdm_serializer_vcc_header, 0),
(self.digital_constellation_decoder_cb_0, 0))
self.connect((self.digital_ofdm_serializer_vcc_payload, 0),
(self.projectCACHE_PolarDec_b_0_0, 0))
self.connect((self.digital_ofdm_serializer_vcc_payload_0, 0),
(self.digital_probe_mpsk_snr_est_c_0, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 0),
(self.analog_frequency_modulator_fc_0, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 1),
(self.digital_header_payload_demux_0, 1))
self.connect((self.digital_packet_headergenerator_bb_0, 0),
(self.digital_chunks_to_symbols_xx_0_1, 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_serializer_vcc_payload_0, 0))
self.connect((self.fft_vxx_1, 0),
(self.projectCACHE_ofdm_frame_equalizer1_vcvc_0, 0))
self.connect((self.projectCACHE_map_header_payload_bc_0, 0),
(self.blocks_tagged_stream_mux_0, 1))
self.connect((self.projectCACHE_ofdm_frame_equalizer1_vcvc_0, 0),
(self.digital_ofdm_serializer_vcc_payload, 0))
self.connect((self.projectCACHE_polarEnc_b_0_0, 0),
(self.digital_packet_headergenerator_bb_0, 0))
self.connect((self.projectCACHE_polarEnc_b_0_0, 0),
(self.projectCACHE_map_header_payload_bc_0, 0))
def __init__(self, options):
gr.hier_block2.__init__(self, "bpsk_demodulator",
gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature
gr.io_signature(0, 0, 0)) # Output signature
grc_wxgui.top_block_gui.__init__(self, title="Top Block")
self._samples_per_symbol = options.samples_per_symbol
# Number of bits per symbol
self._bits_per_symbol = 1
# Create AGC to scale input to unity
self._agc = gr.agc_cc(1e-5, 1.0, 1.0, 1.0)
# Create RRC with specified excess bandwidth
taps = gr.firdes.root_raised_cosine(1.0, # Gain
self._samples_per_symbol, # Sampling rate
1.0, # Symbol rate
0.35, # Roll-off factor
11*self._samples_per_symbol) # Number of taps
self._rrc = gr.fir_filter_ccf(1, taps)
# Create a Costas loop frequency/phase recovery block
self._costas = digital.costas_loop_cc(6.28/100.0, 2)
self.gr_null_sink_f1 = gr.null_sink(gr.sizeof_float*1)
# Create a M&M bit synchronization retiming block
self._mm = digital.clock_recovery_mm_cc(self._samples_per_symbol, # Initial samples/symbol
1e-06, # Second order gain
0.5, # Initial symbol phase
0.001, # First order gain
0.0001) # Maximum timing offset
# Add an SNR probe on the demodulated constellation
#self._snr_probe = gr.probe_mpsk_snr_c(10.0/symbol_rate)
self._symbol_rate = options.data_rate / self._bits_per_symbol
#self._snr_probe = digital.mpsk_snr_est_cc(0, 10000, 0.001) # 0 at the first mean Simple
self._snr_probe = digital.probe_mpsk_snr_est_c(digital.SNR_EST_M2M4, alpha=10.0/self._symbol_rate)
#self._snr_probe = digital.mpsk_snr_est_cc(digital.SNR_EST_SIMPLE, alpha=10.0/self._symbol_rate)
# Slice the resulting constellation into bits.
# Get inphase channel and make decision about 0
self._c2r = gr.complex_to_real()
self._slicer = digital.binary_slicer_fb()
# Descramble BERT sequence. A channel error will create 3 incorrect bits
self._descrambler = gr.descrambler_bb(0x8A, 0x7F, 31) # CCSDS 7-bit descrambler
# Measure BER by the density of 0s in the stream
# self._ber = gr.probe_density_b(1.0/symbol_rate)
self._ber = grc_blks2.error_rate(type='BER',
win_size=1000,
bits_per_symbol=1)
#self.create_number_sink(self._samples_per_symbol)
self.gr_null_sink_f2 = gr.null_sink(gr.sizeof_float*1)
#Create a vector source reference to calculate BER
self._vector_source_ref = gr.vector_source_b(([1,]), True, 1)
#create a comparator
self.comparator = howto.compare_vector_cci((1, 1, 1, 1 ,0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1), (0,0, 1, 1, 0,0), 5, 0, True)
#Connection of blocks
#"""""""""""""""""""""""""""""""""-->_snr_probe-->gr_null_sink_cc
# agc --> _rrc --> costas --> _mm --> _c2r --> _slicer --> _descrambler --> _ber --> gr_null_sink_f2
#"""""""""""""""""""""""""--> gr_null_sink_f1 "" _vector_source_ref-->
#
# self.connect(self, self._agc, self._rrc, self._costas, self._mm,
# self._c2r, self._slicer, self._descrambler, self.comparator, (self._ber, 1))
#
self.connect(self, self._agc, self._rrc, self._costas, self._mm,
self._c2r, self._slicer, self._descrambler, (self._ber, 1))
self.connect((self._costas, 1), (self.gr_null_sink_f1, 0))
self.connect(self._mm, self._snr_probe)
self.connect(self._vector_source_ref, (self._ber,0))
self.connect(self._ber, self.gr_null_sink_f2)
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.x310 = x310 = "B:0"
self.samp_rate = samp_rate = 2e6
self.gain = gain = 0
self.b210 = b210 = "A:B"
##################################################
# Blocks
##################################################
self._gain_range = Range(0, 70, 5, 0, 200)
self._gain_win = RangeWidget(self._gain_range, self.set_gain, "gain",
"counter_slider", float)
self.top_layout.addWidget(self._gain_win)
self.uhd_usrp_source_0 = uhd.usrp_source(
",".join(("", "")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_source_0.set_subdev_spec(b210, 0)
self.uhd_usrp_source_0.set_samp_rate(samp_rate)
self.uhd_usrp_source_0.set_center_freq(72e6, 0)
self.uhd_usrp_source_0.set_gain(gain, 0)
self.uhd_usrp_source_0.set_antenna('RX2', 0)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"", #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 = ['', '', '', '', '', '', '', '', '', '']
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_layout.addWidget(self._qtgui_freq_sink_x_0_win)
self.digital_probe_mpsk_snr_est_c_0 = digital.probe_mpsk_snr_est_c(
2, 10000000, 0.01)
self.blocks_message_debug_0 = blocks.message_debug()
##################################################
# Connections
##################################################
self.msg_connect((self.digital_probe_mpsk_snr_est_c_0, 'snr'),
(self.blocks_message_debug_0, 'print'))
self.connect((self.uhd_usrp_source_0, 0),
(self.digital_probe_mpsk_snr_est_c_0, 0))
self.connect((self.uhd_usrp_source_0, 0),
(self.qtgui_freq_sink_x_0, 0))
def __init__(self, gain=5, id_user=0):
gr.top_block.__init__(self, "Polar Coding with Coded Caching")
##################################################
# Parameters
##################################################
self.gain = gain
self.id_user = id_user
##################################################
# 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.Kw = Kw = 70*8
self.sync_word2 = sync_word2 = [0, 0, 0, 0, 0, 0, -1, -1, -1, -1, 1, 1, -1, -1, -1, 1, -1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, 1, -1, -1, 1, -1, 0, 1, -1, 1, 1, 1, -1, 1, 1, 1, -1, 1, 1, 1, 1, -1, 1, -1, -1, -1, 1, -1, 1, -1, -1, -1, -1, 0, 0, 0, 0, 0]
self.sync_word1 = sync_word1 = [0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 0., 0., 0., 0., 0.]
self.small_packet_len = small_packet_len = 52
self.samp_rate = samp_rate = int(1e6)
self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe(fft_len, payload_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols, 0, 1)
self.header_formatter = header_formatter = digital.packet_header_ofdm(occupied_carriers, n_syms=1, len_tag_key=packet_length_tag_key, frame_len_tag_key=length_tag_key, bits_per_header_sym=header_mod.bits_per_symbol(), bits_per_payload_sym=payload_mod.bits_per_symbol(), scramble_header=False)
self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe(fft_len, header_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols, 0, 1)
self.freq = freq = 2450e6
self.coderate = coderate = [3,3,3,3,4]
self.Users = Users = 4
self.Nbfiles = Nbfiles = 20
self.NbStrgUsers = NbStrgUsers = 1
self.NbChuncks = NbChuncks = 200
self.N = N = 2048
self.Ks = Ks = 2*Kw
##################################################
# Blocks
##################################################
self.zeromq_sub_msg_source_0_0_0 = zeromq.sub_msg_source('tcp://mnode16:5575', 10)
self.zeromq_sub_msg_source_0_0 = zeromq.sub_msg_source('tcp://mnode16:5555', 100)
self.uhd_usrp_source_0_0 = uhd.usrp_source(
",".join(('', "")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_source_0_0.set_clock_source('external', 0)
self.uhd_usrp_source_0_0.set_time_source('external', 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_source_0_0.set_center_freq(freq, 0)
self.uhd_usrp_source_0_0.set_gain(gain, 0)
self.uhd_usrp_source_0_0.set_antenna('TX/RX', 0)
self.uhd_usrp_source_0_0.set_auto_dc_offset(True, 0)
self.uhd_usrp_source_0_0.set_auto_iq_balance(True, 0)
self.projectCACHE_ofdm_frame_equalizer1_vcvc_0 = projectCACHE.ofdm_frame_equalizer1_vcvc(fft_len, fft_len/4, length_tag_key, True, occupied_carriers, pilot_carriers, pilot_symbols, 0, True)
self.projectCACHE_PolarDec_b_0_0 = projectCACHE.PolarDec_b(N, Nbfiles, NbChuncks, id_user, Users, small_packet_len, 42, coderate[id_user], packet_length_tag_key)
self.projectCACHE_PC_Error_Rate_0 = projectCACHE.PC_Error_Rate(id_user, 200)
self.fft_vxx_1 = fft.fft_vcc(fft_len, True, (), True, 1)
self.fft_vxx_0 = fft.fft_vcc(fft_len, True, (()), True, 1)
self.digital_probe_mpsk_snr_est_c_0 = digital.probe_mpsk_snr_est_c(3, 1000, 0.001)
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_0 = digital.ofdm_frame_equalizer_vcvc(header_equalizer.base(), fft_len/4, length_tag_key, True, 1)
self.digital_ofdm_chanest_vcvc_0 = digital.ofdm_chanest_vcvc((sync_word1), (sync_word2), 1, 0, 3, False)
self.digital_header_payload_demux_0 = digital.header_payload_demux(
3,
fft_len,
fft_len/4,
length_tag_key,
"",
True,
gr.sizeof_gr_complex,
"rx_time",
samp_rate,
(),
0,
)
self.digital_costas_loop_cc_0 = digital.costas_loop_cc(2*3.14/100, 2, False)
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(header_mod.base())
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex*1, fft_len+fft_len/4)
self.analog_frequency_modulator_fc_0 = analog.frequency_modulator_fc(-2.0/fft_len)
##################################################
# Connections
##################################################
self.msg_connect((self.digital_packet_headerparser_b_0, 'header_data'), (self.digital_header_payload_demux_0, 'header_data'))
self.msg_connect((self.digital_probe_mpsk_snr_est_c_0, 'snr'), (self.projectCACHE_PC_Error_Rate_0, 'SNR'))
self.msg_connect((self.zeromq_sub_msg_source_0_0, 'out'), (self.projectCACHE_PC_Error_Rate_0, 'BER_INFO'))
self.msg_connect((self.zeromq_sub_msg_source_0_0_0, 'out'), (self.projectCACHE_PC_Error_Rate_0, 'CH_USE'))
self.connect((self.analog_frequency_modulator_fc_0, 0), (self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_delay_0, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_multiply_xx_0, 0), (self.digital_header_payload_demux_0, 0))
self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_packet_headerparser_b_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0), (self.blocks_delay_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0), (self.digital_ofdm_sync_sc_cfb_0, 0))
self.connect((self.digital_header_payload_demux_0, 0), (self.fft_vxx_0, 0))
self.connect((self.digital_header_payload_demux_0, 1), (self.fft_vxx_1, 0))
self.connect((self.digital_ofdm_chanest_vcvc_0, 0), (self.digital_ofdm_frame_equalizer_vcvc_0, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_0, 0), (self.digital_ofdm_serializer_vcc_header, 0))
self.connect((self.digital_ofdm_serializer_vcc_header, 0), (self.digital_constellation_decoder_cb_0, 0))
self.connect((self.digital_ofdm_serializer_vcc_payload, 0), (self.digital_probe_mpsk_snr_est_c_0, 0))
self.connect((self.digital_ofdm_serializer_vcc_payload, 0), (self.projectCACHE_PolarDec_b_0_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.projectCACHE_ofdm_frame_equalizer1_vcvc_0, 0))
self.connect((self.projectCACHE_ofdm_frame_equalizer1_vcvc_0, 0), (self.digital_ofdm_serializer_vcc_payload, 0))
self.connect((self.uhd_usrp_source_0_0, 0), (self.digital_costas_loop_cc_0, 0))
def __init__(self, freq=2480000000, gain=48, method=7):
gr.top_block.__init__(self,
"IEEE 802.15.4 Transceiver using OQPSK PHY")
##################################################
# Parameters
##################################################
self.freq = freq
self.gain = gain
self.method = method
##################################################
# Blocks
##################################################
self.uhdgps_cpdu_average_power_0 = uhdgps.cpdu_average_power(-60)
self.uhd_usrp_source_0 = uhd.usrp_source(
",".join(('', "")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_source_0.set_samp_rate(5000000)
self.uhd_usrp_source_0.set_center_freq(freq, 0)
self.uhd_usrp_source_0.set_gain(gain, 0)
self.uhd_usrp_sink_0 = uhd.usrp_sink(
",".join(('', "")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_sink_0.set_samp_rate(5000000)
self.uhd_usrp_sink_0.set_center_freq(freq, 0)
self.uhd_usrp_sink_0.set_gain(gain, 0)
self.lqe_powerControl_0 = lqe.powerControl(
gain, '/home/wendley/SerieGanho100ms.txt', False)
self.lqe_getRSSI_0 = lqe.getRSSI(False, 2, 2, 40, -108, -67, 0.500,
0.2, 0.1, 0.05)
self.ieee802_15_4_rime_stack_0 = ieee802_15_4.rime_stack(
([129]), ([131]), ([132]), ([23, 42]))
self.ieee802_15_4_oqpsk_phy_0 = ieee802_15_4_oqpsk_phy()
self.ieee802_15_4_mac_0 = ieee802_15_4.mac(True)
self.foo_periodic_msg_source_1 = foo.periodic_msg_source(
pmt.intern(
"0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789"
), 400, 1000, True, False)
self.es_trigger_sample_timer_0 = es.trigger_sample_timer(
gr.sizeof_gr_complex, int(2000), 2, int(4000000), 512)
self.es_sink_0 = es.sink(1 * [gr.sizeof_gr_complex], 8, 64, 0, 2, 0)
self.es_handler_pdu_0 = es.es_make_handler_pdu(
es.es_handler_print.TYPE_C32)
self.digital_probe_mpsk_snr_est_c_0 = digital.probe_mpsk_snr_est_c(
2, 1000, 0.001)
self.blocks_socket_pdu_0_0 = blocks.socket_pdu("UDP_SERVER", '',
'52001', 10000, False)
self.blocks_pdu_remove_0 = blocks.pdu_remove(
pmt.intern("es::event_buffer"))
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_pdu_remove_0, 'pdus'),
(self.ieee802_15_4_mac_0, 'cs in'))
self.msg_connect((self.blocks_socket_pdu_0_0, 'pdus'),
(self.ieee802_15_4_rime_stack_0, 'bcin'))
self.msg_connect((self.digital_probe_mpsk_snr_est_c_0, 'snr'),
(self.lqe_getRSSI_0, 'SNR'))
self.msg_connect((self.es_handler_pdu_0, 'pdus_out'),
(self.uhdgps_cpdu_average_power_0, 'cpdus'))
self.msg_connect(
(self.es_trigger_sample_timer_0, 'sample_timer_event'),
(self.es_handler_pdu_0, 'handle_event'))
self.msg_connect((self.es_trigger_sample_timer_0, 'which_stream'),
(self.es_sink_0, 'schedule_event'))
self.msg_connect((self.foo_periodic_msg_source_1, 'out'),
(self.ieee802_15_4_rime_stack_0, 'bcin'))
self.msg_connect((self.foo_periodic_msg_source_1, 'out'),
(self.lqe_getRSSI_0, 'sendOrder'))
self.msg_connect((self.ieee802_15_4_mac_0, 'pdu out'),
(self.ieee802_15_4_oqpsk_phy_0, 'txin'))
self.msg_connect((self.ieee802_15_4_mac_0, 'app out'),
(self.ieee802_15_4_rime_stack_0, 'fromMAC'))
self.msg_connect((self.ieee802_15_4_mac_0, 'ackOut'),
(self.lqe_getRSSI_0, 'Ackin'))
self.msg_connect((self.ieee802_15_4_mac_0, 'packLost'),
(self.lqe_getRSSI_0, 'lostPacks'))
self.msg_connect((self.ieee802_15_4_mac_0, 'resendPck'),
(self.lqe_getRSSI_0, 'sendPacks'))
self.msg_connect((self.ieee802_15_4_mac_0, 'ackOut'),
(self.lqe_powerControl_0, 'saveGain'))
self.msg_connect((self.ieee802_15_4_mac_0, 'resendPck'),
(self.lqe_powerControl_0, 'saveGain'))
self.msg_connect((self.ieee802_15_4_oqpsk_phy_0, 'rxout'),
(self.ieee802_15_4_mac_0, 'pdu in'))
self.msg_connect((self.ieee802_15_4_rime_stack_0, 'bcout'),
(self.blocks_socket_pdu_0_0, 'pdus'))
self.msg_connect((self.ieee802_15_4_rime_stack_0, 'toMAC'),
(self.ieee802_15_4_mac_0, 'app in'))
self.msg_connect((self.lqe_getRSSI_0, 'estimation'),
(self.lqe_powerControl_0, 'estimation'))
self.msg_connect((self.uhdgps_cpdu_average_power_0, 'cpdus'),
(self.blocks_pdu_remove_0, 'pdus'))
self.msg_connect((self.uhdgps_cpdu_average_power_0, 'rssi'),
(self.lqe_getRSSI_0, 'RSSIin'))
self.connect((self.es_trigger_sample_timer_0, 0), (self.es_sink_0, 0))
self.connect((self.ieee802_15_4_oqpsk_phy_0, 0),
(self.uhd_usrp_sink_0, 0))
self.connect((self.uhd_usrp_source_0, 0),
(self.digital_probe_mpsk_snr_est_c_0, 0))
self.connect((self.uhd_usrp_source_0, 0),
(self.es_trigger_sample_timer_0, 0))
self.connect((self.uhd_usrp_source_0, 0),
(self.ieee802_15_4_oqpsk_phy_0, 0))
def __init__(self, address='serial=30AD34D'):
gr.top_block.__init__(self, "MPSK TX RX")
Qt.QWidget.__init__(self)
self.setWindowTitle("MPSK TX RX")
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "MPSK_TX_RX")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Parameters
##################################################
self.address = address
##################################################
# Variables
##################################################
self.const_type = const_type = 2
self.bits_per_symbol = bits_per_symbol = int(const_type + 1)
self.samples_per_symbol = samples_per_symbol = int(2 *
(bits_per_symbol))
self.probe_SNR = probe_SNR = 0
self.nfilts = nfilts = 32
self.bitrate = bitrate = 64e3
self.variable_qtgui_label_0 = variable_qtgui_label_0 = {
0: 'BPSK',
1: 'QPSK',
2: '8-PSK'
}[const_type] + " - Change const_type for different constellation types!"
self.tun_gain_tx = tun_gain_tx = 40
self.tun_freq_tx = tun_freq_tx = 2.39e9
self.timing_bw = timing_bw = 2 * math.pi / 100.0
self.samp_rate = samp_rate = samples_per_symbol * bitrate
self.phase_bw = phase_bw = 2 * math.pi / 100.0
self.ntaps = ntaps = 11 * int(samples_per_symbol * nfilts)
self.lo_offset = lo_offset = 6e6
self.gain_rx = gain_rx = 0.75
self.freq_rx = freq_rx = 2390e6
self.freq_bw = freq_bw = 2 * math.pi / 100.0
self.fll_ntaps = fll_ntaps = 55
self.excess_bw = excess_bw = 0.35
self.constellation = constellation = (digital.constellation_bpsk(),
digital.constellation_qpsk(),
digital.constellation_8psk())
self.arrity = arrity = pow(2, bits_per_symbol)
self.ampl = ampl = 0.7
self.SNR = SNR = probe_SNR
##################################################
# Blocks
##################################################
self._tun_gain_tx_range = Range(0, 80, 1, 40, 200)
self._tun_gain_tx_win = RangeWidget(self._tun_gain_tx_range,
self.set_tun_gain_tx,
'UHD Tx Gain', "counter_slider",
float)
self.top_grid_layout.addWidget(self._tun_gain_tx_win, 1, 0, 1, 1)
self._tun_freq_tx_range = Range(2.3e9, 2.5e9, 1, 2.39e9, 200)
self._tun_freq_tx_win = RangeWidget(self._tun_freq_tx_range,
self.set_tun_freq_tx,
'UHD Tx Freq (Hz)',
"counter_slider", float)
self.top_grid_layout.addWidget(self._tun_freq_tx_win, 0, 0, 1, 1)
self._lo_offset_options = (
0,
6e6,
11e6,
)
self._lo_offset_labels = (
str(self._lo_offset_options[0]),
str(self._lo_offset_options[1]),
str(self._lo_offset_options[2]),
)
self._lo_offset_tool_bar = Qt.QToolBar(self)
self._lo_offset_tool_bar.addWidget(Qt.QLabel("lo_offset" + ": "))
self._lo_offset_combo_box = Qt.QComboBox()
self._lo_offset_tool_bar.addWidget(self._lo_offset_combo_box)
for label in self._lo_offset_labels:
self._lo_offset_combo_box.addItem(label)
self._lo_offset_callback = lambda i: Qt.QMetaObject.invokeMethod(
self._lo_offset_combo_box, "setCurrentIndex",
Qt.Q_ARG("int", self._lo_offset_options.index(i)))
self._lo_offset_callback(self.lo_offset)
self._lo_offset_combo_box.currentIndexChanged.connect(
lambda i: self.set_lo_offset(self._lo_offset_options[i]))
self.top_grid_layout.addWidget(self._lo_offset_tool_bar, 2, 1, 1, 1)
self._gain_rx_range = Range(0, 1, 0.01, 0.75, 200)
self._gain_rx_win = RangeWidget(self._gain_rx_range, self.set_gain_rx,
'UHD Rx Gain', "counter_slider", float)
self.top_grid_layout.addWidget(self._gain_rx_win, 1, 1, 1, 1)
self._freq_rx_range = Range(2350e6, 2500e6, 10e6, 2390e6, 200)
self._freq_rx_win = RangeWidget(self._freq_rx_range, self.set_freq_rx,
'UHD Rx Freq (Hz)', "counter_slider",
float)
self.top_grid_layout.addWidget(self._freq_rx_win, 0, 1, 1, 1)
self.digital_probe_mpsk_snr_est_c_0 = digital.probe_mpsk_snr_est_c(
2, 1000, 10 / bitrate)
self._const_type_options = (
0,
1,
2,
)
self._const_type_labels = (
'DBPSK',
'DQPSK',
'D8PSK',
)
self._const_type_tool_bar = Qt.QToolBar(self)
self._const_type_tool_bar.addWidget(Qt.QLabel("const_type" + ": "))
self._const_type_combo_box = Qt.QComboBox()
self._const_type_tool_bar.addWidget(self._const_type_combo_box)
for label in self._const_type_labels:
self._const_type_combo_box.addItem(label)
self._const_type_callback = lambda i: Qt.QMetaObject.invokeMethod(
self._const_type_combo_box, "setCurrentIndex",
Qt.Q_ARG("int", self._const_type_options.index(i)))
self._const_type_callback(self.const_type)
self._const_type_combo_box.currentIndexChanged.connect(
lambda i: self.set_const_type(self._const_type_options[i]))
self.top_layout.addWidget(self._const_type_tool_bar)
self._ampl_range = Range(0, 1, 0.01, 0.7, 200)
self._ampl_win = RangeWidget(self._ampl_range, self.set_ampl,
'Amplitude', "counter_slider", float)
self.top_grid_layout.addWidget(self._ampl_win, 2, 0, 1, 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: x
self._variable_qtgui_label_0_tool_bar.addWidget(
Qt.QLabel('Constellation Type' + ": "))
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_layout.addWidget(self._variable_qtgui_label_0_tool_bar)
self.uhd_usrp_source_0 = uhd.usrp_source(
",".join((address, "")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_source_0.set_clock_rate(30.72e6, uhd.ALL_MBOARDS)
self.uhd_usrp_source_0.set_subdev_spec('A:A', 0)
self.uhd_usrp_source_0.set_samp_rate(samp_rate)
self.uhd_usrp_source_0.set_center_freq(
uhd.tune_request(freq_rx,
rf_freq=freq_rx - lo_offset,
rf_freq_policy=uhd.tune_request.POLICY_MANUAL), 0)
self.uhd_usrp_source_0.set_normalized_gain(gain_rx, 0)
self.uhd_usrp_source_0.set_antenna('TX/RX', 0)
self.uhd_usrp_sink_0_0 = uhd.usrp_sink(
",".join((address, "")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_sink_0_0.set_clock_rate(30.72e6, uhd.ALL_MBOARDS)
self.uhd_usrp_sink_0_0.set_subdev_spec('A:B', 0)
self.uhd_usrp_sink_0_0.set_samp_rate(samp_rate)
self.uhd_usrp_sink_0_0.set_center_freq(tun_freq_tx, 0)
self.uhd_usrp_sink_0_0.set_gain(tun_gain_tx, 0)
self.uhd_usrp_sink_0_0.set_antenna('TX/RX', 0)
self.qtgui_number_sink_0_1 = qtgui.number_sink(gr.sizeof_float, 0,
qtgui.NUM_GRAPH_HORIZ,
1)
self.qtgui_number_sink_0_1.set_update_time(0.10)
self.qtgui_number_sink_0_1.set_title("BER")
labels = ['BER', '', '', '', '', '', '', '', '', '']
units = ['x10^-6', '', '', '', '', '', '', '', '', '']
colors = [("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black")]
factor = [1e6, 1, 1, 1, 1, 1, 1, 1, 1, 1]
for i in xrange(1):
self.qtgui_number_sink_0_1.set_min(i, 0)
self.qtgui_number_sink_0_1.set_max(i, 1)
self.qtgui_number_sink_0_1.set_color(i, colors[i][0], colors[i][1])
if len(labels[i]) == 0:
self.qtgui_number_sink_0_1.set_label(i, "Data {0}".format(i))
else:
self.qtgui_number_sink_0_1.set_label(i, labels[i])
self.qtgui_number_sink_0_1.set_unit(i, units[i])
self.qtgui_number_sink_0_1.set_factor(i, factor[i])
self.qtgui_number_sink_0_1.enable_autoscale(True)
self._qtgui_number_sink_0_1_win = sip.wrapinstance(
self.qtgui_number_sink_0_1.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_number_sink_0_1_win)
self.qtgui_const_sink_x_0_0 = qtgui.const_sink_c(
1024, #size
"", #name
1 #number of inputs
)
self.qtgui_const_sink_x_0_0.set_update_time(0.10)
self.qtgui_const_sink_x_0_0.set_y_axis(-2, 2)
self.qtgui_const_sink_x_0_0.set_x_axis(-2, 2)
self.qtgui_const_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS, 0.0,
0, "")
self.qtgui_const_sink_x_0_0.enable_autoscale(False)
self.qtgui_const_sink_x_0_0.enable_grid(False)
self.qtgui_const_sink_x_0_0.enable_axis_labels(True)
if not True:
self.qtgui_const_sink_x_0_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_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_const_sink_x_0_0.set_line_label(i, labels[i])
self.qtgui_const_sink_x_0_0.set_line_width(i, widths[i])
self.qtgui_const_sink_x_0_0.set_line_color(i, colors[i])
self.qtgui_const_sink_x_0_0.set_line_style(i, styles[i])
self.qtgui_const_sink_x_0_0.set_line_marker(i, markers[i])
self.qtgui_const_sink_x_0_0.set_line_alpha(i, alphas[i])
self._qtgui_const_sink_x_0_0_win = sip.wrapinstance(
self.qtgui_const_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_0_win, 3, 0,
1, 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)
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, 3, 1, 1,
1)
def _probe_SNR_probe():
while True:
val = self.digital_probe_mpsk_snr_est_c_0.snr()
try:
self.set_probe_SNR(val)
except AttributeError:
pass
time.sleep(1.0 / (10))
_probe_SNR_thread = threading.Thread(target=_probe_SNR_probe)
_probe_SNR_thread.daemon = True
_probe_SNR_thread.start()
self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_ccf(
samples_per_symbol,
taps=(firdes.root_raised_cosine(nfilts, nfilts, 1.0, 0.35, ntaps)),
flt_size=nfilts)
self.pfb_arb_resampler_xxx_0.declare_sample_delay(0)
self.digital_scrambler_bb_0 = digital.scrambler_bb(0x8A, 0x7F, 7)
self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(
samples_per_symbol, timing_bw, (firdes.root_raised_cosine(
nfilts, nfilts * samples_per_symbol, 1.0, 0.35, ntaps)),
nfilts, nfilts // 2, 1.5, 1)
self.digital_fll_band_edge_cc_0 = digital.fll_band_edge_cc(
samples_per_symbol, excess_bw, fll_ntaps, freq_bw)
self.digital_diff_encoder_bb_0 = digital.diff_encoder_bb(arrity)
self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(arrity)
self.digital_descrambler_bb_0 = digital.descrambler_bb(0x8A, 0x7F, 7)
self.digital_costas_loop_cc_0 = digital.costas_loop_cc(
timing_bw, pow(2, bits_per_symbol), False)
self.digital_constellation_decoder_cb_0_0 = digital.constellation_decoder_cb(
constellation[const_type].base())
self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc(
(constellation[const_type].points()), 1)
self.blocks_vector_source_x_0_0 = blocks.vector_source_b([
1,
], True, 1, [])
self.blocks_vector_source_x_0 = blocks.vector_source_b([
1,
], True, 1, [])
self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(
bits_per_symbol)
self.blocks_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(bits_per_symbol)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((ampl, ))
self.blks2_error_rate_0 = grc_blks2.error_rate(
type='BER',
win_size=10000,
bits_per_symbol=1,
)
self.analog_agc2_xx_0 = analog.agc2_cc(0.6e-1, 1e-3, 1.0, 1.0)
self.analog_agc2_xx_0.set_max_gain(65536)
self._SNR_tool_bar = Qt.QToolBar(self)
if None:
self._SNR_formatter = None
else:
self._SNR_formatter = lambda x: x
self._SNR_tool_bar.addWidget(Qt.QLabel("SNR" + ": "))
self._SNR_label = Qt.QLabel(str(self._SNR_formatter(self.SNR)))
self._SNR_tool_bar.addWidget(self._SNR_label)
self.top_layout.addWidget(self._SNR_tool_bar)
##################################################
# Connections
##################################################
self.connect((self.analog_agc2_xx_0, 0),
(self.digital_fll_band_edge_cc_0, 0))
self.connect((self.blks2_error_rate_0, 0),
(self.qtgui_number_sink_0_1, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.uhd_usrp_sink_0_0, 0))
self.connect((self.blocks_pack_k_bits_bb_0, 0),
(self.digital_diff_encoder_bb_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0),
(self.digital_descrambler_bb_0, 0))
self.connect((self.blocks_vector_source_x_0, 0),
(self.digital_scrambler_bb_0, 0))
self.connect((self.blocks_vector_source_x_0_0, 0),
(self.blks2_error_rate_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_0, 0),
(self.pfb_arb_resampler_xxx_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_0, 0),
(self.qtgui_const_sink_x_0_0, 0))
self.connect((self.digital_constellation_decoder_cb_0_0, 0),
(self.digital_diff_decoder_bb_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0),
(self.digital_constellation_decoder_cb_0_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0),
(self.digital_probe_mpsk_snr_est_c_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0),
(self.qtgui_const_sink_x_0, 0))
self.connect((self.digital_descrambler_bb_0, 0),
(self.blks2_error_rate_0, 1))
self.connect((self.digital_diff_decoder_bb_0, 0),
(self.blocks_unpack_k_bits_bb_0, 0))
self.connect((self.digital_diff_encoder_bb_0, 0),
(self.digital_chunks_to_symbols_xx_0, 0))
self.connect((self.digital_fll_band_edge_cc_0, 0),
(self.digital_pfb_clock_sync_xxx_0, 0))
self.connect((self.digital_pfb_clock_sync_xxx_0, 0),
(self.digital_costas_loop_cc_0, 0))
self.connect((self.digital_scrambler_bb_0, 0),
(self.blocks_pack_k_bits_bb_0, 0))
self.connect((self.pfb_arb_resampler_xxx_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.analog_agc2_xx_0, 0))
