def __init__(self):
gr.top_block.__init__(self)
parser = OptionParser(option_class=eng_option)
parser.add_option(
"-O",
"--audio-output",
type="string",
default="",
help="pcm output device name. E.g., hw:0,0 or /dev/dsp")
parser.add_option("-r",
"--sample-rate",
type="eng_float",
default=48000,
help="set sample rate to RATE (48000)")
(options, args) = parser.parse_args()
if len(args) != 0:
parser.print_help()
raise SystemExit, 1
sample_rate = int(options.sample_rate)
ampl = 0.1
src = digital.glfsr_source_b(32) # Pseudorandom noise source
b2f = digital.chunks_to_symbols_bf([ampl, -ampl], 1)
dst = audio.sink(sample_rate, options.audio_output)
self.connect(src, b2f, dst)
def test_diff_decoder_bb():
top = gr.top_block()
src = digital.glfsr_source_b(7)
diffdecoder = digital.diff_decoder_bb(2)
probe = blocks.probe_rate(gr.sizeof_char)
top.connect(src, diffdecoder, probe)
return top, probe
def test_diff_decoder_bb():
top = gr.top_block()
src = digital.glfsr_source_b(7)
diffdecoder = digital.diff_decoder_bb(2)
probe = blocks.probe_rate(gr.sizeof_char)
top.connect(src, diffdecoder, probe)
return top, probe
def __init__(self, ebno_db=0, min_errors=100, samp_per_sym=1):
gr.top_block.__init__(self, "BER 4FSK ")
##################################################
# Parameters
##################################################
self.ebno_db = ebno_db
self.min_errors = min_errors
self.samp_per_sym = samp_per_sym
##################################################
# Variables
##################################################
self.symb_rate = symb_rate = 4800
self.bits_per_sym = bits_per_sym = 1
self.bit_rate = bit_rate = float(symb_rate)*bits_per_sym
self.average_power = average_power = 1.0
self.ebno = ebno = 10**(ebno_db/10.0)
self.eb = eb = average_power/bit_rate
self.samp_rate = samp_rate = symb_rate*samp_per_sym
self.no = no = eb/ebno
self.noise_variance = noise_variance = no*samp_rate/2.0
##################################################
# Blocks
##################################################
self.sample_counter = sample_counter()
self.probe_avg_power = analog.probe_avg_mag_sqrd_f(0, 1)
self.pack_rx_bits = blocks.pack_k_bits_bb(8)
self.pack_msg_bits = blocks.pack_k_bits_bb(8)
self.glfsr = digital.glfsr_source_b(8, True, 0, 1)
self.four_level_symbol_mapper_0 = four_level_symbol_mapper(
symbol_map=[-1,1],
)
self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bf(([-1,1]), 1)
self.blocks_repeat_0 = blocks.repeat(gr.sizeof_float*1, samp_per_sym)
self.blocks_keep_one_in_n_0 = blocks.keep_one_in_n(gr.sizeof_float*1, samp_per_sym)
self.blocks_add_xx_0 = blocks.add_vff(1)
self.ber_sink = blocks.vector_sink_f(1)
self.ber_measure = fec.ber_bf(True, min_errors, -7.0)
self.analog_fastnoise_source_x_0 = analog.fastnoise_source_f(analog.GR_GAUSSIAN, math.sqrt(noise_variance), 0, 8192)
##################################################
# Connections
##################################################
self.connect((self.analog_fastnoise_source_x_0, 0), (self.blocks_add_xx_0, 1))
self.connect((self.ber_measure, 0), (self.ber_sink, 0))
self.connect((self.blocks_add_xx_0, 0), (self.blocks_keep_one_in_n_0, 0))
self.connect((self.blocks_keep_one_in_n_0, 0), (self.four_level_symbol_mapper_0, 0))
self.connect((self.blocks_repeat_0, 0), (self.blocks_add_xx_0, 0))
self.connect((self.blocks_repeat_0, 0), (self.probe_avg_power, 0))
self.connect((self.digital_chunks_to_symbols_xx_0, 0), (self.blocks_repeat_0, 0))
self.connect((self.four_level_symbol_mapper_0, 0), (self.sample_counter, 0))
self.connect((self.glfsr, 0), (self.digital_chunks_to_symbols_xx_0, 0))
self.connect((self.glfsr, 0), (self.pack_msg_bits, 0))
self.connect((self.pack_msg_bits, 0), (self.ber_measure, 0))
self.connect((self.pack_rx_bits, 0), (self.ber_measure, 1))
self.connect((self.sample_counter, 0), (self.pack_rx_bits, 0))
def __init__(self):
"""
Especifíca la primera función que se ejecutará al crear un objeto de la clase
my_top_block con el argumento self, por lo que servirá para cualquier proceso de inicializacián,
este se define como el constructor de la clase,la interconexión de los bloques es la siguiente:
+------------------------+ +------------------------+ +--------------------+
| GLFSR Source +-----+ Chunks to Symbol bf +-----+ Audio Sink |
+------------------------+ +------------------------+ +--------------------+
Con gr.top_block.__init__(self) se llama a la función inicial del modulo top_block del
paquete gr y se pasa como argumento el objeto creado.
digital.glfsr_sorce_b
Fuente pseudoaleatoria LFSR de Galois que genera salidas flotantes -1.0 - 1.0
chunks_to_symbols_bf
Asigna un flujo de índices de símbolos desempaquetados al flujo de puntos de
constelación flotantes o complejos en dimensiones D (D = 1 por defecto).
audio.sink
Este módulo envía las señales a la tarjeta de audio para poder reproducirlas.
"""
gr.top_block.__init__(self)
parser = OptionParser(option_class=eng_option)
parser.add_option("-O", "--audio-output", type="string", default="",
help="pcm output device name. E.g., hw:0,0 or /dev/dsp")
parser.add_option("-r", "--sample-rate", type="eng_float", default=48000,
help="set sample rate to RATE (48000)")
(options, args) = parser.parse_args ()
if len(args) != 0:
parser.print_help()
raise SystemExit, 1
"""
Las siguientes instrucciones definen la tasa de muestreo (obtenida de options) y la amplitud
"""
sample_rate = int(options.sample_rate)
ampl = 0.1
src = digital.glfsr_source_b(32) # Pseudorandom noise source
b2f = digital.chunks_to_symbols_bf([ampl, -ampl], 1)
dst = audio.sink(sample_rate, options.audio_output)
"""
se debe realizar la conexión entre los bloques que se han definido anteriormente paracompletar el grafo:
Con esto se crea la conexión logica del grafo uniendo los puertos de entrada y salida
(src-fuente y dst-destino).
"""
self.connect(src, b2f, dst)
def test_002_correlation_b(self):
for degree in range(1,11): # Higher degrees take too long to correlate
src = digital.glfsr_source_b(degree, False)
b2f = digital.chunks_to_symbols_bf((-1.0,1.0), 1)
dst = blocks.vector_sink_f()
del self.tb # Discard existing top block
self.tb = gr.top_block()
self.tb.connect(src, b2f, dst)
self.tb.run()
self.tb.disconnect_all()
actual_result = dst.data()
R = auto_correlate(actual_result)
self.assertEqual(R[0], float(len(R))) # Auto-correlation peak at origin
for i in range(len(R)-1):
self.assertEqual(R[i+1], -1.0) # Auto-correlation minimum everywhere else
def __init__(self):
gr.top_block.__init__(self)
parser = ArgumentParser()
parser.add_argument("-O", "--audio-output", default="",
help="pcm output device name. E.g., hw:0,0 or /dev/dsp")
parser.add_argument("-r", "--sample-rate", type=eng_float, default=48000,
help="set sample rate to RATE (48000)")
args = parser.parse_args()
sample_rate = int(args.sample_rate)
ampl = 0.1
src = digital.glfsr_source_b(32) # Pseudorandom noise source
b2f = digital.chunks_to_symbols_bf([ampl, -ampl], 1)
dst = audio.sink(sample_rate, args.audio_output)
self.connect(src, b2f, dst)
def __init__(self):
gr.top_block.__init__(self)
parser = ArgumentParser()
parser.add_argument("-O", "--audio-output", default="",
help="pcm output device name. E.g., hw:0,0 or /dev/dsp")
parser.add_argument("-r", "--sample-rate", type=eng_float, default=48000,
help="set sample rate to RATE (48000)")
args = parser.parse_args()
sample_rate = int(args.sample_rate)
ampl = 0.1
src = digital.glfsr_source_b(32) # Pseudorandom noise source
b2f = digital.chunks_to_symbols_bf([ampl, -ampl], 1)
dst = audio.sink(sample_rate, args.audio_output)
self.connect(src, b2f, dst)
def __init__(self):
gr.top_block.__init__(self)
parser = OptionParser(option_class=eng_option)
parser.add_option("-O", "--audio-output", type="string", default="",
help="pcm output device name. E.g., hw:0,0 or /dev/dsp")
parser.add_option("-r", "--sample-rate", type="eng_float", default=48000,
help="set sample rate to RATE (48000)")
(options, args) = parser.parse_args ()
if len(args) != 0:
parser.print_help()
raise SystemExit, 1
sample_rate = int(options.sample_rate)
ampl = 0.1
src = digital.glfsr_source_b(32) # Pseudorandom noise source
b2f = digital.chunks_to_symbols_bf([ampl, -ampl], 1)
dst = audio.sink(sample_rate, options.audio_output)
self.connect(src, b2f, dst)
def __init__(self,mod,delay=0,n_0=0,min_errors=100):
ModMeasurementGraph.__init__(self, mod, "BER Measurement")
self.__probe_thread = None
self._did_timeout = False
# Blocks
self.src = digital.glfsr_source_b(8, True, 0, 1)
# self.src = blocks.vector_source_b(np.concatenate((np.ones(5,dtype='B'),np.zeros(10,dtype='B'))).tolist(),True)
# self.src = blocks.vector_source_b(np.zeros(10,dtype='B').tolist(),True)
self.noise = analog.noise_source_c(analog.GR_GAUSSIAN, math.sqrt(float(n_0)), 0)
self.delay = blocks.delay(gr.sizeof_char,delay)
self.add = blocks.add_vcc(1)
self.skiphead_orig = blocks.skiphead(gr.sizeof_char,500)
self.skiphead_rx = blocks.skiphead(gr.sizeof_char,500)
self.pack_rx_bits = blocks.pack_k_bits_bb(8)
self.pack_msg_bits = blocks.pack_k_bits_bb(8)
self.ber_measure = fec.ber_bf(True, min_errors, -7.0)
self.ber_sink = blocks.vector_sink_f(1)
# Connections
self.connect(self.src,self.mod_in_bits)
# Adding noise to tx output of mod
self.connect(self.mod_out_signal,(self.add,0))
self.connect(self.noise,(self.add,1))
self.connect(self.add,self.mod_in_signal)
# Rx bits from mod to ber measure
self.connect(self.mod_out_bits,self.skiphead_rx)
self.connect(self.skiphead_rx,self.pack_rx_bits)
self.connect(self.pack_rx_bits,(self.ber_measure,1))
# delayed bits to ber measure
self.connect(self.src,self.delay)
self.connect(self.delay,self.skiphead_orig)
self.connect(self.skiphead_orig,self.pack_msg_bits)
self.connect(self.pack_msg_bits,(self.ber_measure,0))
self.connect(self.ber_measure,self.ber_sink)
def __init__(self, mod, num_bits=1000):
ModMeasurementGraph.__init__(self, mod, "Eb Measurement")
self.num_bits = num_bits
# self.bitSrc = blocks.vector_source_b(get_random_bits(num_bits).tolist(), True)
self.bitSrc = digital.glfsr_source_b(8, True, 0, 1)
self.src = blocks.head(gr.sizeof_char, num_bits)
self.nop_c = blocks.delay(gr.sizeof_gr_complex, 0)
self.null_sink_b = blocks.null_sink(gr.sizeof_char)
self.power = blocks.complex_to_mag_squared(1)
self.dest = blocks.vector_sink_f()
# Connections
self.connect(self.bitSrc, self.src)
self.connect(self.src, self.mod_in_bits)
self.connect(self.mod_out_signal, self.power)
self.connect(self.power, self.dest)
# Only care about the power output of the transmission pad
# null sink / source the other inputs/outputs
self.connect(self.mod_out_signal, self.nop_c)
self.connect(self.nop_c, self.mod_in_signal)
self.connect(self.mod_out_bits, self.null_sink_b)
def __init__(self, parameter_0=0):
gr.top_block.__init__(self, "BER 4FSK ")
Qt.QWidget.__init__(self)
self.setWindowTitle("BER 4FSK ")
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", "rrc_heir")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Parameters
##################################################
self.parameter_0 = parameter_0
##################################################
# Variables
##################################################
self.samp_per_sym = samp_per_sym = 120
self.symb_rate = symb_rate = 1200
self.rrc_taps = rrc_taps = samp_per_sym * 6 + 1
self.tcola_r = tcola_r = 1
self.tcola_m = tcola_m = 32
self.symbol_delay = symbol_delay = rrc_taps / samp_per_sym
self.samp_rate = samp_rate = symb_rate * samp_per_sym
self.noise = noise = 0
self.fsk_deviation_hz = fsk_deviation_hz = 648
self.fc = fc = 900e6
self.bits_per_sym = bits_per_sym = 2
##################################################
# Blocks
##################################################
self._noise_range = Range(0, 5, 0.01, 0, 200)
self._noise_win = RangeWidget(self._noise_range, self.set_noise,
"Noise", "counter_slider", float)
self.top_layout.addWidget(self._noise_win)
self.tcola_time_compression_0 = tcola.time_compression_c(
tcola_m, tcola_r, ())
self.tcola_overlap_add_0 = tcola.overlap_add_c(tcola_m, tcola_r, ())
self.qtgui_time_sink_x_0_0 = qtgui.time_sink_f(
100, #size
samp_rate, #samp_rate
"", #name
2 #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(0, 3)
self.qtgui_time_sink_x_0_0.set_y_label("Amplitude", "")
self.qtgui_time_sink_x_0_0.enable_tags(-1, True)
self.qtgui_time_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS, 0.0,
0, 0, "")
self.qtgui_time_sink_x_0_0.enable_autoscale(True)
self.qtgui_time_sink_x_0_0.enable_grid(False)
self.qtgui_time_sink_x_0_0.enable_control_panel(False)
if not True:
self.qtgui_time_sink_x_0_0.disable_legend()
labels = [
"Symbols", "Received Symbols", "RRC RX", "", "", "", "", "", "", ""
]
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 = [0, 2, -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:
self.qtgui_time_sink_x_0_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_0_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_0_win = sip.wrapinstance(
self.qtgui_time_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_time_sink_x_0_0_win)
self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
4096, #size
samp_rate, #samp_rate
"", #name
3 #number of inputs
)
self.qtgui_time_sink_x_0.set_update_time(0.10)
self.qtgui_time_sink_x_0.set_y_axis(-1, 1)
self.qtgui_time_sink_x_0.set_y_label("Amplitude", "")
self.qtgui_time_sink_x_0.enable_tags(-1, True)
self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS, 0.0, 0,
0, "")
self.qtgui_time_sink_x_0.enable_autoscale(False)
self.qtgui_time_sink_x_0.enable_grid(False)
self.qtgui_time_sink_x_0.enable_control_panel(False)
if not True:
self.qtgui_time_sink_x_0.disable_legend()
labels = ["Post RRC Tx", "Post RRC Rx", "", "", "", "", "", "", "", ""]
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(3):
if len(labels[i]) == 0:
self.qtgui_time_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_win = sip.wrapinstance(
self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_time_sink_x_0_win)
self.qtgui_number_sink_0_0 = qtgui.number_sink(gr.sizeof_float, 0,
qtgui.NUM_GRAPH_HORIZ,
1)
self.qtgui_number_sink_0_0.set_update_time(0.10)
self.qtgui_number_sink_0_0.set_title("")
labels = ["", "", "", "", "", "", "", "", "", ""]
units = ["", "", "", "", "", "", "", "", "", ""]
colors = [("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black")]
factor = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
for i in xrange(1):
self.qtgui_number_sink_0_0.set_min(i, 0.0)
self.qtgui_number_sink_0_0.set_max(i, 1)
self.qtgui_number_sink_0_0.set_color(i, colors[i][0], colors[i][1])
if len(labels[i]) == 0:
self.qtgui_number_sink_0_0.set_label(i, "Data {0}".format(i))
else:
self.qtgui_number_sink_0_0.set_label(i, labels[i])
self.qtgui_number_sink_0_0.set_unit(i, units[i])
self.qtgui_number_sink_0_0.set_factor(i, factor[i])
self.qtgui_number_sink_0_0.enable_autoscale(False)
self._qtgui_number_sink_0_0_win = sip.wrapinstance(
self.qtgui_number_sink_0_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_number_sink_0_0_win)
self.qtgui_number_sink_0 = qtgui.number_sink(gr.sizeof_float, 0,
qtgui.NUM_GRAPH_HORIZ, 1)
self.qtgui_number_sink_0.set_update_time(0.10)
self.qtgui_number_sink_0.set_title("")
labels = ["", "", "", "", "", "", "", "", "", ""]
units = ["", "", "", "", "", "", "", "", "", ""]
colors = [("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black")]
factor = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
for i in xrange(1):
self.qtgui_number_sink_0.set_min(i, -7)
self.qtgui_number_sink_0.set_max(i, 0)
self.qtgui_number_sink_0.set_color(i, colors[i][0], colors[i][1])
if len(labels[i]) == 0:
self.qtgui_number_sink_0.set_label(i, "Data {0}".format(i))
else:
self.qtgui_number_sink_0.set_label(i, labels[i])
self.qtgui_number_sink_0.set_unit(i, units[i])
self.qtgui_number_sink_0.set_factor(i, factor[i])
self.qtgui_number_sink_0.enable_autoscale(False)
self._qtgui_number_sink_0_win = sip.wrapinstance(
self.qtgui_number_sink_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_number_sink_0_win)
self.four_level_rrc_transmitter_0 = four_level_rrc_transmitter(
alpha=0.350,
bits_per_symbol=2,
rrc_taps=rrc_taps,
samp_per_sym=samp_per_sym,
sym_rate=symb_rate,
)
self.four_level_rrc_receiver_0_0 = four_level_rrc_receiver(
alpha=0.350,
bits_per_sym=2,
rrc_taps=rrc_taps,
samp_per_sym=samp_per_sym,
sym_rate=symb_rate,
)
self.four_level_rrc_receiver_0 = four_level_rrc_receiver(
alpha=0.350,
bits_per_sym=2,
rrc_taps=rrc_taps,
samp_per_sym=samp_per_sym,
sym_rate=symb_rate,
)
self.fec_ber_bf_0 = fec.ber_bf(False, 100, -7.0)
self.digital_glfsr_source_x_0 = digital.glfsr_source_b(8, True, 0, 1)
self.channels_channel_model_0 = channels.channel_model(
noise_voltage=noise,
frequency_offset=0.0,
epsilon=1.0,
taps=(1, ),
noise_seed=0,
block_tags=False)
self.blocks_vco_c_0 = blocks.vco_c(samp_rate,
fsk_deviation_hz * 2 * math.pi, 1)
self.blocks_pack_k_bits_bb_0_0 = blocks.pack_k_bits_bb(8)
self.blocks_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(8)
self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_char * 1)
self.blocks_delay_2 = blocks.delay(
gr.sizeof_char * 1, (symbol_delay + symb_rate) * bits_per_sym - 2)
self.blocks_delay_0_0_0 = blocks.delay(gr.sizeof_gr_complex * 1,
samp_rate)
self.blocks_delay_0_0 = blocks.delay(gr.sizeof_gr_complex * 1,
samp_rate - tcola_m)
self.blocks_delay_0 = blocks.delay(
gr.sizeof_float * 1, symbol_delay * samp_per_sym / 2 + samp_rate)
self.blocks_char_to_float_0_0 = blocks.char_to_float(1, 1)
self.blocks_char_to_float_0 = blocks.char_to_float(1, 1)
self.blks2_error_rate_0 = grc_blks2.error_rate(
type='BER',
win_size=1000,
bits_per_symbol=1,
)
self.analog_quadrature_demod_cf_0_0 = analog.quadrature_demod_cf(
samp_rate / (2 * math.pi * fsk_deviation_hz))
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(
samp_rate / (2 * math.pi * fsk_deviation_hz))
##################################################
# Connections
##################################################
self.connect((self.analog_quadrature_demod_cf_0, 0),
(self.four_level_rrc_receiver_0, 0))
self.connect((self.analog_quadrature_demod_cf_0_0, 0),
(self.four_level_rrc_receiver_0_0, 0))
self.connect((self.blks2_error_rate_0, 0),
(self.qtgui_number_sink_0_0, 0))
self.connect((self.blocks_char_to_float_0, 0),
(self.qtgui_time_sink_x_0_0, 1))
self.connect((self.blocks_char_to_float_0_0, 0),
(self.qtgui_time_sink_x_0_0, 0))
self.connect((self.blocks_delay_0, 0), (self.qtgui_time_sink_x_0, 0))
self.connect((self.blocks_delay_0_0, 0),
(self.analog_quadrature_demod_cf_0, 0))
self.connect((self.blocks_delay_0_0_0, 0),
(self.analog_quadrature_demod_cf_0_0, 0))
self.connect((self.blocks_delay_2, 0), (self.blks2_error_rate_0, 0))
self.connect((self.blocks_delay_2, 0),
(self.blocks_char_to_float_0_0, 0))
self.connect((self.blocks_delay_2, 0),
(self.blocks_pack_k_bits_bb_0, 0))
self.connect((self.blocks_pack_k_bits_bb_0, 0), (self.fec_ber_bf_0, 0))
self.connect((self.blocks_pack_k_bits_bb_0_0, 0),
(self.fec_ber_bf_0, 1))
self.connect((self.blocks_vco_c_0, 0), (self.blocks_delay_0_0_0, 0))
self.connect((self.blocks_vco_c_0, 0),
(self.tcola_time_compression_0, 0))
self.connect((self.channels_channel_model_0, 0),
(self.tcola_overlap_add_0, 0))
self.connect((self.digital_glfsr_source_x_0, 0),
(self.blocks_delay_2, 0))
self.connect((self.digital_glfsr_source_x_0, 0),
(self.four_level_rrc_transmitter_0, 0))
self.connect((self.fec_ber_bf_0, 0), (self.qtgui_number_sink_0, 0))
self.connect((self.four_level_rrc_receiver_0, 2),
(self.blks2_error_rate_0, 1))
self.connect((self.four_level_rrc_receiver_0, 2),
(self.blocks_char_to_float_0, 0))
self.connect((self.four_level_rrc_receiver_0, 2),
(self.blocks_pack_k_bits_bb_0_0, 0))
self.connect((self.four_level_rrc_receiver_0, 0),
(self.qtgui_time_sink_x_0, 1))
self.connect((self.four_level_rrc_receiver_0_0, 2),
(self.blocks_null_sink_0, 0))
self.connect((self.four_level_rrc_receiver_0_0, 0),
(self.qtgui_time_sink_x_0, 2))
self.connect((self.four_level_rrc_transmitter_0, 1),
(self.blocks_delay_0, 0))
self.connect((self.four_level_rrc_transmitter_0, 1),
(self.blocks_vco_c_0, 0))
self.connect((self.tcola_overlap_add_0, 0), (self.blocks_delay_0_0, 0))
self.connect((self.tcola_time_compression_0, 0),
(self.channels_channel_model_0, 0))
def __init__(self):
gr.top_block.__init__(self, "qam_mod")
Qt.QWidget.__init__(self)
self.setWindowTitle("qam_mod")
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.samp_rate = samp_rate = 32000
##################################################
# Blocks
##################################################
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(True)
self.qtgui_const_sink_x_0.enable_grid(True)
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.digital_qam_mod_0 = digital.qam.qam_mod(
constellation_points=4,
mod_code="gray",
differential=True,
samples_per_symbol=2,
excess_bw=0.35,
verbose=False,
log=False,
)
self.digital_glfsr_source_x_0 = digital.glfsr_source_b(4, True, 0, 1)
##################################################
# Connections
##################################################
self.connect((self.digital_glfsr_source_x_0, 0),
(self.digital_qam_mod_0, 0))
self.connect((self.digital_qam_mod_0, 0),
(self.qtgui_const_sink_x_0, 0))
def __init__(self, corr_tag_delay=131):
gr.top_block.__init__(self, "Lab3 BER")
Qt.QWidget.__init__(self)
self.setWindowTitle("Lab3 BER")
qtgui.util.check_set_qss()
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "lab3_ber")
try:
if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
self.restoreGeometry(
self.settings.value("geometry").toByteArray())
else:
self.restoreGeometry(self.settings.value("geometry"))
except:
pass
##################################################
# Parameters
##################################################
self.corr_tag_delay = corr_tag_delay
##################################################
# Variables
##################################################
self.rolloff = rolloff = 0.5
self.sps = sps = 4
self.snr_default = snr_default = 8.5
self.rolloff_ = rolloff_ = rolloff
self.payload_len = payload_len = 31
self.num_tag_key = num_tag_key = "packet_num"
self.nfilts_pfb = nfilts_pfb = 32
self.mark_delays = mark_delays = [0, 0, 34, 56, 87, 119]
self.len_tag_key = len_tag_key = "packet_length"
self.header_len = header_len = 32
self.cw_len = cw_len = 32
self.tag_s = tag_s = gr.tag_utils.python_to_tag(
(0, pmt.intern(len_tag_key), pmt.from_long(payload_len),
pmt.intern("vect_test_src")))
self.tag0 = tag0 = gr.tag_utils.python_to_tag(
(0, pmt.intern(len_tag_key), pmt.from_long(cw_len),
pmt.intern("vect_cw_src")))
self.sync_seq = sync_seq = [
1, 1, -1, 1, -1, 1, 1, 1, -1, -1, 1, -1, -1, -1, 1, -1, -1, 1, 1,
-1, 1, 1, -1, -1, -1, -1, 1, 1, -1, -1, 1, 1, 1, -1, -1, 1, 1, 1,
-1, -1, 1, -1, -1, 1, -1, 1, -1, 1, -1, -1, -1, 1, -1, 1, 1, -1,
-1, -1, 1, 1, 1, 1, 1, 1
]
self.snr_db = snr_db = snr_default
self.samp_rate = samp_rate = 1e3
self.rrc_filter = rrc_filter = firdes.root_raised_cosine(
4, sps, 1, rolloff_, 32 * sps + 1)
self.reset_ber = reset_ber = 0
self.pn_order = pn_order = np.round(np.log2(payload_len + 1))
self.pn6_padded = pn6_padded = [
1, 1, 1, 1, 1, 1, -1, 1, -1, 1, -1, 1, 1, -1, -1, 1, 1, -1, 1, 1,
1, -1, 1, 1, -1, 1, -1, -1, 1, -1, -1, 1, 1, 1, -1, -1, -1, 1, -1,
1, 1, 1, 1, -1, -1, 1, -1, 1, -1, -1, -1, 1, 1, -1, -1, -1, -1, 1,
-1, -1, -1 - 1 - 1, 0, 0, 0, 0, 0, 0, 0, 0, 0
]
self.pn6 = pn6 = [
1, 1, 1, 1, 1, 1, -1, 1, -1, 1, -1, 1, 1, -1, -1, 1, 1, -1, 1, 1,
1, -1, 1, 1, -1, 1, -1, -1, 1, -1, -1, 1, 1, 1, -1, -1, -1, 1, -1,
1, 1, 1, 1, -1, -1, 1, -1, 1, -1, -1, -1, 1, 1, -1, -1, -1, -1, 1,
-1, -1, -1 - 1 - 1
]
self.pn5 = pn5 = [
1, -1, 1, -1, 1, 1, 1, -1, 1, 1, -1, -1, -1, 1, 1, 1, 1, 1, -1, -1,
1, 1, -1, 1, -1, -1, 1, -1, -1, -1, -1
]
self.pi = pi = np.pi
self.pfb_filter = pfb_filter = firdes.root_raised_cosine(
nfilts_pfb, nfilts_pfb * sps, 1, rolloff_,
nfilts_pfb * 11 * sps + 1)
self.mark_delay = mark_delay = mark_delays[sps]
self.header_formatter_0 = header_formatter_0 = digital.packet_header_default(
header_len, len_tag_key, num_tag_key, 1)
self.header_formatter = header_formatter = digital.packet_header_default(
header_len, len_tag_key, num_tag_key, 1)
self.fc = fc = 900e6
self.const = const = digital.constellation_calcdist(
digital.psk_2()[0],
digital.psk_2()[1], 2, 1).base()
self.buffer_size = buffer_size = 32768
self.bFilter = bFilter = 1
self.agc_rate = agc_rate = 1e-4
##################################################
# Blocks
##################################################
self._snr_db_range = Range(0, 20, 0.5, snr_default, 200)
self._snr_db_win = RangeWidget(self._snr_db_range, self.set_snr_db,
'SNR (dB)', "counter_slider", float)
self.top_grid_layout.addWidget(self._snr_db_win)
self._rolloff__range = Range(0.01, 0.99, 0.01, rolloff, 200)
self._rolloff__win = RangeWidget(self._rolloff__range,
self.set_rolloff_, 'Beta (Excess BW)',
"counter_slider", float)
self.top_grid_layout.addWidget(self._rolloff__win)
_reset_ber_push_button = Qt.QPushButton('Reset BER')
_reset_ber_push_button = Qt.QPushButton('Reset BER')
self._reset_ber_choices = {'Pressed': 1, 'Released': 0}
_reset_ber_push_button.pressed.connect(
lambda: self.set_reset_ber(self._reset_ber_choices['Pressed']))
_reset_ber_push_button.released.connect(
lambda: self.set_reset_ber(self._reset_ber_choices['Released']))
self.top_grid_layout.addWidget(_reset_ber_push_button)
# Create the options list
self._bFilter_options = (
1,
2,
)
# Create the labels list
self._bFilter_labels = (
'Raised Cosine (Mis-Matched)',
'Root Raised Cosine (Matched)',
)
# Create the combo box
self._bFilter_tool_bar = Qt.QToolBar(self)
self._bFilter_tool_bar.addWidget(Qt.QLabel('TX Filter Select' + ": "))
self._bFilter_combo_box = Qt.QComboBox()
self._bFilter_tool_bar.addWidget(self._bFilter_combo_box)
for _label in self._bFilter_labels:
self._bFilter_combo_box.addItem(_label)
self._bFilter_callback = lambda i: Qt.QMetaObject.invokeMethod(
self._bFilter_combo_box, "setCurrentIndex",
Qt.Q_ARG("int", self._bFilter_options.index(i)))
self._bFilter_callback(self.bFilter)
self._bFilter_combo_box.currentIndexChanged.connect(
lambda i: self.set_bFilter(self._bFilter_options[i]))
# Create the radio buttons
self.top_grid_layout.addWidget(self._bFilter_tool_bar)
self._agc_rate_range = Range(1e-4, 1e-3, 1e-4, 1e-4, 200)
self._agc_rate_win = RangeWidget(self._agc_rate_range,
self.set_agc_rate, 'AGC Decay Rate',
"counter_slider", float)
self.top_grid_layout.addWidget(self._agc_rate_win)
self.wes_packet_tx_0 = wes_packet_tx(
cw_len=cw_len,
payload_len=payload_len,
samp_rate=samp_rate,
)
self.wes_ber_0 = wes.ber(1, reset_ber)
self.qtgui_number_sink_0_0 = qtgui.number_sink(gr.sizeof_float, 0,
qtgui.NUM_GRAPH_NONE, 1)
self.qtgui_number_sink_0_0.set_update_time(0.10)
self.qtgui_number_sink_0_0.set_title("# of Errors")
labels = ['', '', '', '', '', '', '', '', '', '']
units = ['', '', '', '', '', '', '', '', '', '']
colors = [("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black")]
factor = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
for i in range(1):
self.qtgui_number_sink_0_0.set_min(i, -1)
self.qtgui_number_sink_0_0.set_max(i, 1)
self.qtgui_number_sink_0_0.set_color(i, colors[i][0], colors[i][1])
if len(labels[i]) == 0:
self.qtgui_number_sink_0_0.set_label(i, "Data {0}".format(i))
else:
self.qtgui_number_sink_0_0.set_label(i, labels[i])
self.qtgui_number_sink_0_0.set_unit(i, units[i])
self.qtgui_number_sink_0_0.set_factor(i, factor[i])
self.qtgui_number_sink_0_0.enable_autoscale(False)
self._qtgui_number_sink_0_0_win = sip.wrapinstance(
self.qtgui_number_sink_0_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_number_sink_0_0_win)
self.qtgui_number_sink_0 = qtgui.number_sink(gr.sizeof_float, 0,
qtgui.NUM_GRAPH_HORIZ, 1)
self.qtgui_number_sink_0.set_update_time(0.10)
self.qtgui_number_sink_0.set_title("BER")
labels = ['', '', '', '', '', '', '', '', '', '']
units = ['', '', '', '', '', '', '', '', '', '']
colors = [("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black")]
factor = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
for i in range(1):
self.qtgui_number_sink_0.set_min(i, -1)
self.qtgui_number_sink_0.set_max(i, 1)
self.qtgui_number_sink_0.set_color(i, colors[i][0], colors[i][1])
if len(labels[i]) == 0:
self.qtgui_number_sink_0.set_label(i, "Data {0}".format(i))
else:
self.qtgui_number_sink_0.set_label(i, labels[i])
self.qtgui_number_sink_0.set_unit(i, units[i])
self.qtgui_number_sink_0.set_factor(i, factor[i])
self.qtgui_number_sink_0.enable_autoscale(False)
self._qtgui_number_sink_0_win = sip.wrapinstance(
self.qtgui_number_sink_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_number_sink_0_win)
self.qtgui_const_sink_x_0 = qtgui.const_sink_c(
1024, #size
"", #name
2 #number of inputs
)
self.qtgui_const_sink_x_0.set_update_time(0.10)
self.qtgui_const_sink_x_0.set_y_axis(-2, 2)
self.qtgui_const_sink_x_0.set_x_axis(-2, 2)
self.qtgui_const_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS, 0.0,
0, "")
self.qtgui_const_sink_x_0.enable_autoscale(False)
self.qtgui_const_sink_x_0.enable_grid(True)
self.qtgui_const_sink_x_0.enable_axis_labels(True)
labels = ['', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "red", "red", "red", "red", "red", "red", "red",
"red"
]
styles = [0, 1, 0, 0, 0, 0, 0, 0, 0, 0]
markers = [0, -1, 0, 0, 0, 0, 0, 0, 0, 0]
alphas = [1.0, 0.5, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in range(2):
if len(labels[i]) == 0:
self.qtgui_const_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_const_sink_x_0.set_line_label(i, labels[i])
self.qtgui_const_sink_x_0.set_line_width(i, widths[i])
self.qtgui_const_sink_x_0.set_line_color(i, colors[i])
self.qtgui_const_sink_x_0.set_line_style(i, styles[i])
self.qtgui_const_sink_x_0.set_line_marker(i, markers[i])
self.qtgui_const_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_const_sink_x_0_win = sip.wrapinstance(
self.qtgui_const_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_win)
self.pulse_shape_hier_0 = pulse_shape_hier(
bFilter=bFilter,
rect_taps=(1, 1, 1, 1),
roll_off=rolloff_,
sps=sps,
)
self.iio_pluto_source_0 = iio.pluto_source('', int(fc),
int(samp_rate * 1e3),
20000000, buffer_size, True,
True, True, 'manual', 18,
'', True)
self.iio_pluto_sink_0 = iio.pluto_sink('', int(fc),
int(samp_rate * 1e3), 20000000,
buffer_size, False, 10.0, '',
True)
self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(
sps, 2 * pi / 200, pfb_filter, nfilts_pfb, int(nfilts_pfb / 2),
0.5, 1)
self.digital_packet_headerparser_b_0_0 = digital.packet_headerparser_b(
header_formatter.formatter())
self.digital_header_payload_demux_0 = digital.header_payload_demux(
header_len, 1, 0, "packet_length", "corr_est", False,
gr.sizeof_gr_complex, "rx_time", 1, (), 0)
self.digital_glfsr_source_x_0 = digital.glfsr_source_b(
int(pn_order), True, 0, 1)
self.digital_diff_decoder_bb_0_0 = digital.diff_decoder_bb(2)
self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2)
self.digital_costas_loop_cc_0 = digital.costas_loop_cc(
2 * pi / 200, 2, False)
self.digital_corr_est_cc_0 = digital.corr_est_cc(
pn6_padded, 1, 64, 0.7, digital.THRESHOLD_ABSOLUTE)
self.digital_constellation_decoder_cb_0_0_0_0_0 = digital.constellation_decoder_cb(
const)
self.digital_constellation_decoder_cb_0_0_0_0 = digital.constellation_decoder_cb(
const)
self.blocks_add_xx_0 = blocks.add_vcc(1)
self.analog_noise_source_x_0 = analog.noise_source_c(
analog.GR_GAUSSIAN,
np.sqrt(2) * np.sqrt(0.5 / np.power(10, snr_db / 10)), 0)
self.analog_agc_xx_0 = analog.agc_cc(agc_rate, 1.0, 1.0)
self.analog_agc_xx_0.set_max_gain(65536)
##################################################
# Connections
##################################################
self.msg_connect(
(self.digital_packet_headerparser_b_0_0, 'header_data'),
(self.digital_header_payload_demux_0, 'header_data'))
self.connect((self.analog_agc_xx_0, 0),
(self.digital_costas_loop_cc_0, 0))
self.connect((self.analog_noise_source_x_0, 0),
(self.blocks_add_xx_0, 0))
self.connect((self.blocks_add_xx_0, 0),
(self.digital_constellation_decoder_cb_0_0_0_0_0, 0))
self.connect((self.blocks_add_xx_0, 0), (self.qtgui_const_sink_x_0, 0))
self.connect((self.blocks_add_xx_0, 0), (self.qtgui_const_sink_x_0, 1))
self.connect((self.digital_constellation_decoder_cb_0_0_0_0, 0),
(self.digital_diff_decoder_bb_0, 0))
self.connect((self.digital_constellation_decoder_cb_0_0_0_0_0, 0),
(self.digital_diff_decoder_bb_0_0, 0))
self.connect((self.digital_corr_est_cc_0, 0),
(self.digital_header_payload_demux_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0),
(self.digital_pfb_clock_sync_xxx_0, 0))
self.connect((self.digital_diff_decoder_bb_0, 0),
(self.digital_packet_headerparser_b_0_0, 0))
self.connect((self.digital_diff_decoder_bb_0_0, 0),
(self.wes_ber_0, 0))
self.connect((self.digital_glfsr_source_x_0, 0), (self.wes_ber_0, 1))
self.connect((self.digital_glfsr_source_x_0, 0),
(self.wes_packet_tx_0, 0))
self.connect((self.digital_header_payload_demux_0, 1),
(self.blocks_add_xx_0, 1))
self.connect((self.digital_header_payload_demux_0, 0),
(self.digital_constellation_decoder_cb_0_0_0_0, 0))
self.connect((self.digital_pfb_clock_sync_xxx_0, 0),
(self.digital_corr_est_cc_0, 0))
self.connect((self.iio_pluto_source_0, 0), (self.analog_agc_xx_0, 0))
self.connect((self.pulse_shape_hier_0, 0), (self.iio_pluto_sink_0, 0))
self.connect((self.wes_ber_0, 0), (self.qtgui_number_sink_0, 0))
self.connect((self.wes_ber_0, 1), (self.qtgui_number_sink_0_0, 0))
self.connect((self.wes_packet_tx_0, 0), (self.pulse_shape_hier_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Lab 4")
Qt.QWidget.__init__(self)
self.setWindowTitle("Lab 4")
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", "lab4")
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.echo_gain_iir = echo_gain_iir = 0
self.delay_limit = delay_limit = 64
self.delay_iir = delay_iir = 1
self.sps = sps = 4
self.pn6 = pn6 = [1, 1, 1, 1, 1, 1, -1, 1, -1, 1, -1, 1, 1, -1, -1, 1, 1, -1, 1, 1, 1, -1, 1, 1, -1, 1, -1, -1, 1, -1, -1, 1, 1, 1, -1, -1, -1, 1, -1, 1, 1, 1, 1, -1, -1, 1, -1, 1, -1, -1, -1, 1, 1, -1, -1, -1, -1, 1, -1, -1, -1 -1 -1]
self.pn5 = pn5 = [1,-1,1,-1,1, 1, 1, -1, 1, 1, -1, -1, -1, 1, 1, 1, 1, 1, -1, -1, 1, 1, -1, 1, -1, -1, 1, -1, -1, -1, -1]
self.iir_taps_2 = iir_taps_2 = np.concatenate( ([1], np.zeros(int(delay_iir-1)),[-echo_gain_iir],np.zeros(int(delay_limit-delay_iir))) )
self.h_filt = h_filt = [1,1,1,1]
self.freqc = freqc = 900
self.samp_rate = samp_rate = 1000
self.pn6_up = pn6_up = sp.upfirdn( h_filt, pn6, sps )
self.pn5_up = pn5_up = sp.upfirdn( h_filt, pn5, sps )
self.phase_shift = phase_shift = 1
self.lw = lw = 2
self.iir_taps = iir_taps = iir_taps_2
self.gain_ = gain_ = 0.5
self.freqc_ = freqc_ = freqc
self.fps = fps = 30
self.fo = fo = 800
self.equalize_on = equalize_on = 0
self.echo_gain = echo_gain = 0
self.delay = delay = 0
self.const_qpsk = const_qpsk = digital.constellation_calcdist(digital.psk_4()[0], digital.psk_4()[1],
4, 1).base()
self.const_bpsk = const_bpsk = digital.constellation_calcdist(digital.psk_2()[0], digital.psk_2()[1],
2, 1).base()
self.bw = bw = 1
self.buff_size = buff_size = 32768
self.axis = axis = 2
self.PLL_ON = PLL_ON = 0
##################################################
# Blocks
##################################################
self.tab0 = Qt.QTabWidget()
self.tab0_widget_0 = Qt.QWidget()
self.tab0_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tab0_widget_0)
self.tab0_grid_layout_0 = Qt.QGridLayout()
self.tab0_layout_0.addLayout(self.tab0_grid_layout_0)
self.tab0.addTab(self.tab0_widget_0, 'Cross-Correlation')
self.tab0_widget_1 = Qt.QWidget()
self.tab0_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tab0_widget_1)
self.tab0_grid_layout_1 = Qt.QGridLayout()
self.tab0_layout_1.addLayout(self.tab0_grid_layout_1)
self.tab0.addTab(self.tab0_widget_1, 'Spectrum')
self.top_grid_layout.addWidget(self.tab0, 0, 0, 10, 2)
for r in range(0, 10):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 2):
self.top_grid_layout.setColumnStretch(c, 1)
_phase_shift_check_box = Qt.QCheckBox('PI Phase Shift')
self._phase_shift_choices = {True: 1, False: 0}
self._phase_shift_choices_inv = dict((v,k) for k,v in self._phase_shift_choices.items())
self._phase_shift_callback = lambda i: Qt.QMetaObject.invokeMethod(_phase_shift_check_box, "setChecked", Qt.Q_ARG("bool", self._phase_shift_choices_inv[i]))
self._phase_shift_callback(self.phase_shift)
_phase_shift_check_box.stateChanged.connect(lambda i: self.set_phase_shift(self._phase_shift_choices[bool(i)]))
self.top_grid_layout.addWidget(_phase_shift_check_box, 12, 1, 1, 1)
for r in range(12, 13):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(1, 2):
self.top_grid_layout.setColumnStretch(c, 1)
self._gain__range = Range(0.1, 1, 0.01, 0.5, 200)
self._gain__win = RangeWidget(self._gain__range, self.set_gain_, 'Gain (Amp)', "counter_slider", float)
self.top_grid_layout.addWidget(self._gain__win, 10, 1, 1, 1)
for r in range(10, 11):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(1, 2):
self.top_grid_layout.setColumnStretch(c, 1)
self._freqc__range = Range(70, 6000, .01, freqc, 200)
self._freqc__win = RangeWidget(self._freqc__range, self.set_freqc_, 'Carrier (MHz)', "counter_slider", float)
self.top_grid_layout.addWidget(self._freqc__win, 10, 0, 1, 1)
for r in range(10, 11):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 1):
self.top_grid_layout.setColumnStretch(c, 1)
self._fo_range = Range(-10000, 10000, 1, 800, 200)
self._fo_win = RangeWidget(self._fo_range, self.set_fo, 'Frequency Offset (Hz)', "counter_slider", float)
self.top_grid_layout.addWidget(self._fo_win, 12, 0, 1, 1)
for r in range(12, 13):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 1):
self.top_grid_layout.setColumnStretch(c, 1)
# Create the options list
self._equalize_on_options = (0, 1, )
# Create the labels list
self._equalize_on_labels = ('Equalizer Off', 'Equalizer On', )
# Create the combo box
self._equalize_on_tool_bar = Qt.QToolBar(self)
self._equalize_on_tool_bar.addWidget(Qt.QLabel('Equalizer Select' + ": "))
self._equalize_on_combo_box = Qt.QComboBox()
self._equalize_on_tool_bar.addWidget(self._equalize_on_combo_box)
for _label in self._equalize_on_labels: self._equalize_on_combo_box.addItem(_label)
self._equalize_on_callback = lambda i: Qt.QMetaObject.invokeMethod(self._equalize_on_combo_box, "setCurrentIndex", Qt.Q_ARG("int", self._equalize_on_options.index(i)))
self._equalize_on_callback(self.equalize_on)
self._equalize_on_combo_box.currentIndexChanged.connect(
lambda i: self.set_equalize_on(self._equalize_on_options[i]))
# Create the radio buttons
self.top_grid_layout.addWidget(self._equalize_on_tool_bar, 13, 0, 1, 1)
for r in range(13, 14):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 1):
self.top_grid_layout.setColumnStretch(c, 1)
self._echo_gain_range = Range(0, 1, 0.01, 0, 200)
self._echo_gain_win = RangeWidget(self._echo_gain_range, self.set_echo_gain, 'Echo Path Gain (A)', "counter_slider", float)
self.top_grid_layout.addWidget(self._echo_gain_win, 11, 0, 1, 1)
for r in range(11, 12):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 1):
self.top_grid_layout.setColumnStretch(c, 1)
self._delay_range = Range(0, delay_limit, 1, 0, 200)
self._delay_win = RangeWidget(self._delay_range, self.set_delay, 'Delay (samples)', "counter_slider", float)
self.top_grid_layout.addWidget(self._delay_win, 11, 1, 1, 1)
for r in range(11, 12):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(1, 2):
self.top_grid_layout.setColumnStretch(c, 1)
# Create the options list
self._PLL_ON_options = (0, 1, )
# Create the labels list
self._PLL_ON_labels = ('PLL ON', 'PLL OFF', )
# Create the combo box
self._PLL_ON_tool_bar = Qt.QToolBar(self)
self._PLL_ON_tool_bar.addWidget(Qt.QLabel('PLL Select' + ": "))
self._PLL_ON_combo_box = Qt.QComboBox()
self._PLL_ON_tool_bar.addWidget(self._PLL_ON_combo_box)
for _label in self._PLL_ON_labels: self._PLL_ON_combo_box.addItem(_label)
self._PLL_ON_callback = lambda i: Qt.QMetaObject.invokeMethod(self._PLL_ON_combo_box, "setCurrentIndex", Qt.Q_ARG("int", self._PLL_ON_options.index(i)))
self._PLL_ON_callback(self.PLL_ON)
self._PLL_ON_combo_box.currentIndexChanged.connect(
lambda i: self.set_PLL_ON(self._PLL_ON_options[i]))
# Create the radio buttons
self.top_grid_layout.addWidget(self._PLL_ON_tool_bar, 13, 1, 1, 1)
for r in range(13, 14):
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(
4096, #size
samp_rate*1000, #samp_rate
"Cross Correlation", #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(-2, 2)
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(False)
self.qtgui_time_sink_x_0_0.enable_grid(True)
self.qtgui_time_sink_x_0_0.enable_axis_labels(True)
self.qtgui_time_sink_x_0_0.enable_control_panel(True)
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(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.tab0_grid_layout_0.addWidget(self._qtgui_time_sink_x_0_0_win, 5, 0, 5, 1)
for r in range(5, 10):
self.tab0_grid_layout_0.setRowStretch(r, 1)
for c in range(0, 1):
self.tab0_grid_layout_0.setColumnStretch(c, 1)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
4096, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate*1e3, #bw
"", #name
1
)
self.qtgui_freq_sink_x_0.set_update_time(1/fps)
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(True)
self.qtgui_freq_sink_x_0.set_fft_average(1.0)
self.qtgui_freq_sink_x_0.enable_axis_labels(True)
self.qtgui_freq_sink_x_0.enable_control_panel(True)
labels = ['In-Phase', 'Quadrature', '', '', '',
'', '', '', '', '']
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.tab0_grid_layout_1.addWidget(self._qtgui_freq_sink_x_0_win, 5, 0, 5, 1)
for r in range(5, 10):
self.tab0_grid_layout_1.setRowStretch(r, 1)
for c in range(0, 1):
self.tab0_grid_layout_1.setColumnStretch(c, 1)
self.qtgui_freq_sink_x_0.set_processor_affinity([0])
self.interp_fir_filter_xxx_1_0 = filter.interp_fir_filter_ccc(sps, (1,1,1,1))
self.interp_fir_filter_xxx_1_0.declare_sample_delay(0)
self.iir_filter_xxx_0 = filter.iir_filter_ccz([(1)], iir_taps, True)
self.iio_pluto_source_0 = iio.pluto_source(epy_module_0.RX, int(freqc_*1e6), int(samp_rate*1000), 20000000, buff_size, True, True, True, 'manual', 32, '', True)
self.iio_pluto_sink_0 = iio.pluto_sink(epy_module_0.TX, int(freqc_*1e6), int(samp_rate*1000), 20000000, buff_size, False, 10.0, '', True)
self._echo_gain_iir_range = Range(0, 1, 0.01, 0, 200)
self._echo_gain_iir_win = RangeWidget(self._echo_gain_iir_range, self.set_echo_gain_iir, 'Equalizer Gain (A)', "counter_slider", float)
self.top_grid_layout.addWidget(self._echo_gain_iir_win, 14, 0, 1, 1)
for r in range(14, 15):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 1):
self.top_grid_layout.setColumnStretch(c, 1)
self.digital_glfsr_source_x_0 = digital.glfsr_source_b(6, True, 0, 1)
self.digital_costas_loop_cc_0 = digital.costas_loop_cc(3.14/100, 2, False)
self.digital_corr_est_cc_0 = digital.corr_est_cc(pn6_up, sps, 0, 0.7, digital.THRESHOLD_ABSOLUTE)
self.digital_chunks_to_symbols_xx_1 = digital.chunks_to_symbols_bc(const_bpsk.points(), 1)
self._delay_iir_range = Range(1, delay_limit, 1, 1, 200)
self._delay_iir_win = RangeWidget(self._delay_iir_range, self.set_delay_iir, 'Equalizer Delay (samples)', "counter_slider", float)
self.top_grid_layout.addWidget(self._delay_iir_win, 14, 1, 1, 1)
for r in range(14, 15):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(1, 2):
self.top_grid_layout.setColumnStretch(c, 1)
self.blocks_tag_gate_0_0_0 = blocks.tag_gate(gr.sizeof_gr_complex * 1, False)
self.blocks_tag_gate_0_0_0.set_single_key("time_est")
self.blocks_tag_gate_0_0 = blocks.tag_gate(gr.sizeof_gr_complex * 1, False)
self.blocks_tag_gate_0_0.set_single_key("corr_est")
self.blocks_tag_gate_0 = blocks.tag_gate(gr.sizeof_gr_complex * 1, False)
self.blocks_tag_gate_0.set_single_key("amp_est")
self.blocks_selector_0_0 = blocks.selector(gr.sizeof_gr_complex*1,equalize_on,0)
self.blocks_selector_0_0.set_enabled(True)
self.blocks_selector_0 = blocks.selector(gr.sizeof_gr_complex*1,PLL_ON,0)
self.blocks_selector_0.set_enabled(True)
self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_gr_complex*1)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_multiply_const_vxx_2 = blocks.multiply_const_cc((1/63/sps)*np.exp(1j*pi*phase_shift))
self.blocks_multiply_const_vxx_1 = blocks.multiply_const_cc(echo_gain)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_cc(gain_ )
self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex*1, delay)
self.blocks_complex_to_real_0 = blocks.complex_to_real(1)
self.blocks_add_xx_0 = blocks.add_vcc(1)
self.analog_sig_source_x_0 = analog.sig_source_c(samp_rate*1000, analog.GR_COS_WAVE, fo, 1, 0, 0)
self.analog_agc_xx_0 = analog.agc_cc(1e-4, 1.0, 1.0)
self.analog_agc_xx_0.set_max_gain(65536)
##################################################
# Connections
##################################################
self.connect((self.analog_agc_xx_0, 0), (self.blocks_selector_0, 1))
self.connect((self.analog_agc_xx_0, 0), (self.digital_costas_loop_cc_0, 0))
self.connect((self.analog_sig_source_x_0, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_add_xx_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.blocks_complex_to_real_0, 0), (self.qtgui_time_sink_x_0_0, 0))
self.connect((self.blocks_delay_0, 0), (self.blocks_multiply_const_vxx_1, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_multiply_const_vxx_1, 0), (self.blocks_add_xx_0, 1))
self.connect((self.blocks_multiply_const_vxx_2, 0), (self.blocks_tag_gate_0, 0))
self.connect((self.blocks_multiply_xx_0, 0), (self.iio_pluto_sink_0, 0))
self.connect((self.blocks_selector_0, 0), (self.blocks_selector_0_0, 0))
self.connect((self.blocks_selector_0, 0), (self.iir_filter_xxx_0, 0))
self.connect((self.blocks_selector_0_0, 0), (self.digital_corr_est_cc_0, 0))
self.connect((self.blocks_selector_0_0, 0), (self.qtgui_freq_sink_x_0, 0))
self.connect((self.blocks_tag_gate_0, 0), (self.blocks_tag_gate_0_0, 0))
self.connect((self.blocks_tag_gate_0_0, 0), (self.blocks_tag_gate_0_0_0, 0))
self.connect((self.blocks_tag_gate_0_0_0, 0), (self.blocks_complex_to_real_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_1, 0), (self.interp_fir_filter_xxx_1_0, 0))
self.connect((self.digital_corr_est_cc_0, 1), (self.blocks_multiply_const_vxx_2, 0))
self.connect((self.digital_corr_est_cc_0, 0), (self.blocks_null_sink_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0), (self.blocks_selector_0, 0))
self.connect((self.digital_glfsr_source_x_0, 0), (self.digital_chunks_to_symbols_xx_1, 0))
self.connect((self.iio_pluto_source_0, 0), (self.analog_agc_xx_0, 0))
self.connect((self.iir_filter_xxx_0, 0), (self.blocks_selector_0_0, 1))
self.connect((self.interp_fir_filter_xxx_1_0, 0), (self.blocks_add_xx_0, 0))
self.connect((self.interp_fir_filter_xxx_1_0, 0), (self.blocks_delay_0, 0))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Top Block")
##################################################
# Variables
##################################################
self.thresh = thresh = 900*10**-3
self.samp_rate = samp_rate = 32000
##################################################
# Blocks
##################################################
_thresh_sizer = wx.BoxSizer(wx.VERTICAL)
self._thresh_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_thresh_sizer,
value=self.thresh,
callback=self.set_thresh,
label='thresh',
converter=forms.float_converter(),
proportion=0,
)
self._thresh_slider = forms.slider(
parent=self.GetWin(),
sizer=_thresh_sizer,
value=self.thresh,
callback=self.set_thresh,
minimum=0,
maximum=1,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_thresh_sizer)
self.wxgui_scopesink2_0 = scopesink2.scope_sink_f(
self.GetWin(),
title="Scope Plot",
sample_rate=samp_rate,
v_scale=200*10**-3,
v_offset=0,
t_scale=100*10**-3,
ac_couple=False,
xy_mode=False,
num_inputs=2,
trig_mode=wxgui.TRIG_MODE_AUTO,
y_axis_label="Counts",
)
self.Add(self.wxgui_scopesink2_0.win)
self.wxgui_numbersink2_0 = numbersink2.number_sink_f(
self.GetWin(),
unit="Units",
minval=0,
maxval=1,
factor=1.0,
decimal_places=6,
ref_level=0,
sample_rate=samp_rate,
number_rate=15,
average=False,
avg_alpha=None,
label="Number Plot",
peak_hold=False,
show_gauge=True,
)
self.Add(self.wxgui_numbersink2_0.win)
self.digital_glfsr_source_x_0 = digital.glfsr_source_b(6, True, 0, 1)
self.blocks_xor_xx_0 = blocks.xor_bb()
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char*1, samp_rate,True)
self.blocks_threshold_ff_0 = blocks.threshold_ff(thresh, thresh, 0)
self.blocks_float_to_char_0 = blocks.float_to_char(1, 1)
self.blocks_add_const_vxx_0 = blocks.add_const_vff((0.5, ))
self.blks2_error_rate_0 = grc_blks2.error_rate(
type='BER',
win_size=1280,
bits_per_symbol=1,
)
self.analog_noise_source_x_0 = analog.noise_source_f(analog.GR_UNIFORM, 0.5, 32)
##################################################
# Connections
##################################################
self.connect((self.analog_noise_source_x_0, 0), (self.blocks_add_const_vxx_0, 0))
self.connect((self.blks2_error_rate_0, 0), (self.wxgui_numbersink2_0, 0))
self.connect((self.blks2_error_rate_0, 0), (self.wxgui_scopesink2_0, 0))
self.connect((self.blocks_add_const_vxx_0, 0), (self.blocks_threshold_ff_0, 0))
self.connect((self.blocks_float_to_char_0, 0), (self.blocks_xor_xx_0, 1))
self.connect((self.blocks_threshold_ff_0, 0), (self.blocks_float_to_char_0, 0))
self.connect((self.blocks_threshold_ff_0, 0), (self.wxgui_scopesink2_0, 1))
self.connect((self.blocks_throttle_0, 0), (self.blks2_error_rate_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.blocks_xor_xx_0, 0))
self.connect((self.blocks_xor_xx_0, 0), (self.blks2_error_rate_0, 1))
self.connect((self.digital_glfsr_source_x_0, 0), (self.blocks_throttle_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Bipolar NRZ over AWGN channel")
Qt.QWidget.__init__(self)
self.setWindowTitle("Bipolar NRZ over AWGN channel")
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.seed = seed = 1
self.scale = scale = 0.5
self.samp_rate = samp_rate = 32000
self.noise_amplitude = noise_amplitude = 0.000001
self.noiseSourceSeed = noiseSourceSeed = 0
self.mask = mask = 0
self.degree = degree = 20
self.constant = constant = -1
self.K = K = 8
##################################################
# Blocks
##################################################
self._noise_amplitude_range = Range(0.000001, 100, 0.000001, 0.000001,
200)
self._noise_amplitude_win = RangeWidget(self._noise_amplitude_range,
self.set_noise_amplitude,
'Noise amplitude (Vrms)',
"counter_slider", float)
self.top_layout.addWidget(self._noise_amplitude_win)
self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
1024, #size
samp_rate, #samp_rate
"", #name
2 #number of inputs
)
self.qtgui_time_sink_x_0.set_update_time(0.10)
self.qtgui_time_sink_x_0.set_y_axis(-1, 1)
self.qtgui_time_sink_x_0.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_0.enable_tags(-1, True)
self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS, 0.0, 0,
0, "")
self.qtgui_time_sink_x_0.enable_autoscale(False)
self.qtgui_time_sink_x_0.enable_grid(False)
self.qtgui_time_sink_x_0.enable_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(2):
if len(labels[i]) == 0:
self.qtgui_time_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_win = sip.wrapinstance(
self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_time_sink_x_0_win)
self.qtgui_number_sink_0 = qtgui.number_sink(gr.sizeof_float, 0,
qtgui.NUM_GRAPH_HORIZ, 1)
self.qtgui_number_sink_0.set_update_time(0.10)
self.qtgui_number_sink_0.set_title("")
labels = ['', '', '', '', '', '', '', '', '', '']
units = ['', '', '', '', '', '', '', '', '', '']
colors = [("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black")]
factor = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
for i in xrange(1):
self.qtgui_number_sink_0.set_min(i, -1)
self.qtgui_number_sink_0.set_max(i, 1)
self.qtgui_number_sink_0.set_color(i, colors[i][0], colors[i][1])
if len(labels[i]) == 0:
self.qtgui_number_sink_0.set_label(i, "Data {0}".format(i))
else:
self.qtgui_number_sink_0.set_label(i, labels[i])
self.qtgui_number_sink_0.set_unit(i, units[i])
self.qtgui_number_sink_0.set_factor(i, factor[i])
self.qtgui_number_sink_0.enable_autoscale(False)
self._qtgui_number_sink_0_win = sip.wrapinstance(
self.qtgui_number_sink_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_number_sink_0_win)
self.fec_ber_bf_0 = fec.ber_bf(False, 100, -7.0)
self.digital_glfsr_source_x_0 = digital.glfsr_source_b(
degree, True, mask, seed)
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.blocks_pack_k_bits_bb_0_0 = blocks.pack_k_bits_bb(K)
self.blocks_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(K)
self.blocks_char_to_float_0_0 = blocks.char_to_float(1, 1)
self.blocks_char_to_float_0 = blocks.char_to_float(1, scale)
self.blocks_add_xx_0 = blocks.add_vff(1)
self.blocks_add_const_vxx_0 = blocks.add_const_vff((constant, ))
self.analog_noise_source_x_0 = analog.noise_source_f(
analog.GR_GAUSSIAN, noise_amplitude, noiseSourceSeed)
##################################################
# Connections
##################################################
self.connect((self.analog_noise_source_x_0, 0),
(self.blocks_add_xx_0, 1))
self.connect((self.blocks_add_const_vxx_0, 0),
(self.blocks_add_xx_0, 0))
self.connect((self.blocks_add_xx_0, 0),
(self.digital_binary_slicer_fb_0, 0))
self.connect((self.blocks_char_to_float_0, 0),
(self.blocks_add_const_vxx_0, 0))
self.connect((self.blocks_char_to_float_0, 0),
(self.qtgui_time_sink_x_0, 0))
self.connect((self.blocks_char_to_float_0_0, 0),
(self.qtgui_time_sink_x_0, 1))
self.connect((self.blocks_pack_k_bits_bb_0, 0), (self.fec_ber_bf_0, 0))
self.connect((self.blocks_pack_k_bits_bb_0_0, 0),
(self.fec_ber_bf_0, 1))
self.connect((self.digital_binary_slicer_fb_0, 0),
(self.blocks_char_to_float_0_0, 0))
self.connect((self.digital_binary_slicer_fb_0, 0),
(self.blocks_pack_k_bits_bb_0_0, 0))
self.connect((self.digital_glfsr_source_x_0, 0),
(self.blocks_char_to_float_0, 0))
self.connect((self.digital_glfsr_source_x_0, 0),
(self.blocks_pack_k_bits_bb_0, 0))
self.connect((self.fec_ber_bf_0, 0), (self.qtgui_number_sink_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Dsss")
Qt.QWidget.__init__(self)
self.setWindowTitle("Dsss")
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", "dsss")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.spread_factor = spread_factor = 8
self.spc = spc = 4
self.const = const = digital.constellation_qpsk().base()
self.sps = sps = spc * spread_factor
self.samp_rate = samp_rate = 100e3
self.point = point = const.points()
##################################################
# Blocks
##################################################
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
2048, #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_psk_mod_0 = digital.psk.psk_mod(
constellation_points=4,
mod_code="gray",
differential=True,
samples_per_symbol=sps,
excess_bw=0.35,
verbose=False,
log=False,
)
self.digital_glfsr_source_x_0 = digital.glfsr_source_b(16, True, 0, 1)
self.channels_channel_model_0 = channels.channel_model(
noise_voltage=0.0001,
frequency_offset=0.0,
epsilon=1.0,
taps=(1.0, ),
noise_seed=0,
block_tags=False)
self.blocks_xor_xx_0 = blocks.xor_bb()
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
samp_rate, True)
self.analog_random_source_x_0 = blocks.vector_source_b(
map(int, numpy.random.randint(0, 256, 10000)), True)
##################################################
# Connections
##################################################
self.connect((self.analog_random_source_x_0, 0),
(self.blocks_xor_xx_0, 0))
self.connect((self.blocks_throttle_0, 0),
(self.qtgui_freq_sink_x_0, 0))
self.connect((self.blocks_xor_xx_0, 0), (self.digital_psk_mod_0, 0))
self.connect((self.channels_channel_model_0, 0),
(self.blocks_throttle_0, 0))
self.connect((self.digital_glfsr_source_x_0, 0),
(self.blocks_xor_xx_0, 1))
self.connect((self.digital_psk_mod_0, 0),
(self.channels_channel_model_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Bipolar NRZ over AWGN with convolution FEC code and Viterbi decoder")
Qt.QWidget.__init__(self)
self.setWindowTitle("Bipolar NRZ over AWGN with convolution FEC code and Viterbi decoder")
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.seed = seed = 1
self.samp_rate = samp_rate = 32000
self.noise_voltage = noise_voltage = 1
self.mask = mask = 0
self.encoder = encoder = fec.cc_encoder_make(2048, 7, 2, ([79,109]), 0, fec.CC_STREAMING, False)
self.degree = degree = 20
self.decoder = decoder = fec.cc_decoder.make(2048, 7, 2, ([79,109]), 0, -1, fec.CC_STREAMING, False)
##################################################
# Blocks
##################################################
self.qtgui_time_sink_x_1 = qtgui.time_sink_f(
1024, #size
samp_rate, #samp_rate
"", #name
2 #number of inputs
)
self.qtgui_time_sink_x_1.set_update_time(0.10)
self.qtgui_time_sink_x_1.set_y_axis(-1, 1)
self.qtgui_time_sink_x_1.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_1.enable_tags(-1, True)
self.qtgui_time_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
self.qtgui_time_sink_x_1.enable_autoscale(False)
self.qtgui_time_sink_x_1.enable_grid(False)
self.qtgui_time_sink_x_1.enable_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(2):
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 = qtgui.time_sink_f(
1024, #size
samp_rate, #samp_rate
"", #name
1 #number of inputs
)
self.qtgui_time_sink_x_0.set_update_time(0.10)
self.qtgui_time_sink_x_0.set_y_axis(-1, 1)
self.qtgui_time_sink_x_0.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_0.enable_tags(-1, True)
self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
self.qtgui_time_sink_x_0.enable_autoscale(False)
self.qtgui_time_sink_x_0.enable_grid(False)
self.qtgui_time_sink_x_0.enable_axis_labels(True)
self.qtgui_time_sink_x_0.enable_control_panel(False)
if not True:
self.qtgui_time_sink_x_0.disable_legend()
labels = ['', '', '', '', '',
'', '', '', '', '']
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ["blue", "red", "green", "black", "cyan",
"magenta", "yellow", "dark red", "dark green", "blue"]
styles = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1,
-1, -1, -1, -1, -1]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_time_sink_x_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_time_sink_x_0_win)
self.qtgui_number_sink_0 = qtgui.number_sink(
gr.sizeof_float,
0,
qtgui.NUM_GRAPH_HORIZ,
1
)
self.qtgui_number_sink_0.set_update_time(0.10)
self.qtgui_number_sink_0.set_title("")
labels = ['', '', '', '', '',
'', '', '', '', '']
units = ['', '', '', '', '',
'', '', '', '', '']
colors = [("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black")]
factor = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
for i in xrange(1):
self.qtgui_number_sink_0.set_min(i, 0)
self.qtgui_number_sink_0.set_max(i, 1)
self.qtgui_number_sink_0.set_color(i, colors[i][0], colors[i][1])
if len(labels[i]) == 0:
self.qtgui_number_sink_0.set_label(i, "Data {0}".format(i))
else:
self.qtgui_number_sink_0.set_label(i, labels[i])
self.qtgui_number_sink_0.set_unit(i, units[i])
self.qtgui_number_sink_0.set_factor(i, factor[i])
self.qtgui_number_sink_0.enable_autoscale(True)
self._qtgui_number_sink_0_win = sip.wrapinstance(self.qtgui_number_sink_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_number_sink_0_win)
self.glfsr_source_0 = digital.glfsr_source_b(degree, True, mask, seed)
self.fec_extended_encoder_0 = fec.extended_encoder(encoder_obj_list=encoder, threading='capillary', puncpat='11')
self.fec_extended_decoder_0 = fec.extended_decoder(decoder_obj_list=decoder, threading='capillary', ann=None, puncpat='11', integration_period=10000)
self.fec_ber_bf_0 = fec.ber_bf(False, 100, -10)
self.blocks_pack_k_bits_bb_0_0 = blocks.pack_k_bits_bb(8)
self.blocks_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(8)
self.blocks_char_to_float_1 = blocks.char_to_float(1, 1)
self.blocks_char_to_float_0_0_0 = blocks.char_to_float(1, 1)
self.blocks_char_to_float_0 = blocks.char_to_float(1, 1)
self.blocks_add_xx_0 = blocks.add_vff(1)
self.blocks_add_const_vxx_0 = blocks.add_const_vff((-1, ))
self.analog_noise_source_x_0 = analog.noise_source_f(analog.GR_GAUSSIAN, noise_voltage, 0)
##################################################
# Connections
##################################################
self.connect((self.analog_noise_source_x_0, 0), (self.blocks_add_xx_0, 1))
self.connect((self.blocks_add_const_vxx_0, 0), (self.blocks_add_xx_0, 0))
self.connect((self.blocks_add_xx_0, 0), (self.fec_extended_decoder_0, 0))
self.connect((self.blocks_add_xx_0, 0), (self.qtgui_time_sink_x_0, 0))
self.connect((self.blocks_char_to_float_0, 0), (self.qtgui_time_sink_x_1, 0))
self.connect((self.blocks_char_to_float_0_0_0, 0), (self.qtgui_time_sink_x_1, 1))
self.connect((self.blocks_char_to_float_1, 0), (self.blocks_add_const_vxx_0, 0))
self.connect((self.blocks_pack_k_bits_bb_0, 0), (self.fec_ber_bf_0, 1))
self.connect((self.blocks_pack_k_bits_bb_0_0, 0), (self.fec_ber_bf_0, 0))
self.connect((self.fec_ber_bf_0, 0), (self.qtgui_number_sink_0, 0))
self.connect((self.fec_extended_decoder_0, 0), (self.blocks_char_to_float_0_0_0, 0))
self.connect((self.fec_extended_decoder_0, 0), (self.blocks_pack_k_bits_bb_0_0, 0))
self.connect((self.fec_extended_encoder_0, 0), (self.blocks_char_to_float_1, 0))
self.connect((self.glfsr_source_0, 0), (self.blocks_char_to_float_0, 0))
self.connect((self.glfsr_source_0, 0), (self.blocks_pack_k_bits_bb_0, 0))
self.connect((self.glfsr_source_0, 0), (self.fec_extended_encoder_0, 0))
def test_000_make_b(self):
src = digital.glfsr_source_b(16)
self.assertEqual(src.mask(), 0x8016)
self.assertEqual(src.period(), 2**16-1)
def test_001_degree_b(self):
self.assertRaises(RuntimeError,
lambda: digital.glfsr_source_b(0))
self.assertRaises(RuntimeError,
lambda: digital.glfsr_source_b(33))
def __init__(self):
gr.top_block.__init__(self, "Gnuradioflow")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 25e6
self.constellation = constellation = digital.constellation_calcdist(([-1, 1]), ([0, 1]), 4, 1).base()
self.center_freq = center_freq = 915.1e6
##################################################
# Blocks
##################################################
self.usrp_source = uhd.usrp_source(
",".join(("", "")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.usrp_source.set_samp_rate(samp_rate)
#self.usrp_source.set_time_unknown_pps(uhd.time_spec())
self.usrp_source.set_center_freq(center_freq, 0)
self.usrp_source.set_gain(20, 0)
self.usrp_source.set_antenna("RX2", 0)
self.usrp_source.set_bandwidth(samp_rate, 0)
self.usrp_sink = uhd.usrp_sink(
",".join(("", "")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.usrp_sink.set_samp_rate(samp_rate)
#self.usrp_sink.set_time_unknown_pps(uhd.time_spec())
self.usrp_sink.set_center_freq(center_freq, 0)
self.usrp_sink.set_gain(3, 0)
self.usrp_sink.set_antenna("TX/RX", 0)
self.usrp_sink.set_bandwidth(samp_rate, 0)
#set USRP start time...
start_time=self.usrp_sink.get_time_now().get_real_secs()+.1
self.usrp_sink.set_start_time(uhd.time_spec(start_time))
self.usrp_source.set_start_time(uhd.time_spec(start_time))
#print "time is now: %d",int(start_time)-5
#print "test starting at: %d",int(start_time)
self.digital_glfsr_source_x_0 = digital.glfsr_source_b(7, False, 0, 1)
self.digital_constellation_modulator_0 = digital.generic_mod(
constellation=constellation,
differential=True,
samples_per_symbol=2,
pre_diff_code=True,
excess_bw=0.35,
verbose=False,
log=False,
)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((0.5, ))
self.blocks_head_0 = blocks.head(gr.sizeof_gr_complex*1, 3000000)
self.blocks_file_sink_1 = blocks.file_sink(gr.sizeof_gr_complex*1, "/home/mewing/Desktop/rxwave", False)
self.blocks_file_sink_1.set_unbuffered(False)
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_gr_complex*1, "/home/mewing/Desktop/txwave", False)
self.blocks_file_sink_0.set_unbuffered(False)
##################################################
# Connections
##################################################
self.connect((self.blocks_head_0, 0), (self.blocks_file_sink_1, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.usrp_sink, 0))
self.connect((self.digital_constellation_modulator_0, 0), (self.blocks_file_sink_0, 0))
self.connect((self.digital_constellation_modulator_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.digital_glfsr_source_x_0, 0), (self.digital_constellation_modulator_0, 0))
self.connect((self.usrp_source, 0), (self.blocks_head_0, 0))
def __init__(self, cw_len=64, payload_len=255, samp_rate=1e6):
gr.hier_block2.__init__(
self,
"Wes Packet Tx",
gr.io_signature(1, 1, gr.sizeof_char * 1),
gr.io_signaturev(6, 6, [
gr.sizeof_gr_complex * 1, gr.sizeof_char * 1, gr.sizeof_char *
1, gr.sizeof_char * 1, gr.sizeof_char * 1, gr.sizeof_char * 1
]),
)
##################################################
# Parameters
##################################################
self.cw_len = cw_len
self.payload_len = payload_len
self.samp_rate = samp_rate
##################################################
# Variables
##################################################
self.num_tag_key = num_tag_key = "packet_num"
self.len_tag_key = len_tag_key = "packet_length"
self.header_len = header_len = 32
self.throttle_rate = throttle_rate = 100e3
self.tag_s = tag_s = gr.tag_utils.python_to_tag(
(0, pmt.intern(len_tag_key), pmt.from_long(payload_len),
pmt.intern("vect_test_src")))
self.tag0 = tag0 = gr.tag_utils.python_to_tag(
(0, pmt.intern(len_tag_key), pmt.from_long(cw_len),
pmt.intern("vect_cw_src")))
self.sync_seq = sync_seq = [
1, 1, -1, 1, -1, 1, 1, 1, -1, -1, 1, -1, -1, -1, 1, -1, -1, 1, 1,
-1, 1, 1, -1, -1, -1, -1, 1, 1, -1, -1, 1, 1, 1, -1, -1, 1, 1, 1,
-1, -1, 1, -1, -1, 1, -1, 1, -1, 1, -1, -1, -1, 1, -1, 1, 1, -1,
-1, -1, 1, 1, 1, 1, 1, 1
]
self.sync_len = sync_len = 63
self.sym_table = sym_table = [-1, 1]
self.pi = pi = 3.141592654
self.header_formatter = header_formatter = digital.packet_header_default(
header_len, len_tag_key, num_tag_key, 1)
self.diff_mod = diff_mod = 4
self.cw = cw = int((cw_len / 4)) * [1, 0, 1, 0]
self.const = const = digital.constellation_calcdist(
digital.psk_4()[0],
digital.psk_4()[1], 2, 1).base()
##################################################
# Blocks
##################################################
self.digital_packet_headergenerator_bb_0_0 = digital.packet_headergenerator_bb(
header_formatter.formatter(), len_tag_key)
self.digital_glfsr_source_x_0 = digital.glfsr_source_b(6, True, 0, 1)
self.digital_diff_encoder_bb_0_0 = digital.diff_encoder_bb(2)
self.digital_diff_encoder_bb_0 = digital.diff_encoder_bb(2)
self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc(
(-1, 1), 1)
self.blocks_vector_source_x_0_0 = blocks.vector_source_b(
cw, True, 1, [tag0])
self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux(
gr.sizeof_char * 1, len_tag_key, 0)
self.blocks_tag_gate_0 = blocks.tag_gate(gr.sizeof_char * 1, False)
self.blocks_tag_gate_0.set_single_key("")
self.blocks_stream_to_tagged_stream_1 = blocks.stream_to_tagged_stream(
gr.sizeof_char, 1, sync_len, "packet_length")
self.blocks_stream_to_tagged_stream_0_0_0 = blocks.stream_to_tagged_stream(
gr.sizeof_char, 1, payload_len, len_tag_key)
self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(
gr.sizeof_char, 1, header_len, len_tag_key)
self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(
1, 1, "packet_length", False, gr.GR_LSB_FIRST)
##################################################
# Connections
##################################################
self.connect((self.blocks_repack_bits_bb_0, 0),
(self.digital_diff_encoder_bb_0, 0))
self.connect((self.blocks_repack_bits_bb_0, 0), (self, 5))
self.connect((self.blocks_stream_to_tagged_stream_0, 0),
(self.blocks_repack_bits_bb_0, 0))
self.connect((self.blocks_stream_to_tagged_stream_0_0_0, 0),
(self.digital_diff_encoder_bb_0_0, 0))
self.connect((self.blocks_stream_to_tagged_stream_0_0_0, 0),
(self.digital_packet_headergenerator_bb_0_0, 0))
self.connect((self.blocks_stream_to_tagged_stream_1, 0),
(self.blocks_tagged_stream_mux_0, 1))
self.connect((self.blocks_stream_to_tagged_stream_1, 0), (self, 2))
self.connect((self.blocks_tag_gate_0, 0),
(self.blocks_stream_to_tagged_stream_0, 0))
self.connect((self.blocks_tagged_stream_mux_0, 0),
(self.digital_chunks_to_symbols_xx_0_0, 0))
self.connect((self.blocks_vector_source_x_0_0, 0),
(self.blocks_tagged_stream_mux_0, 0))
self.connect((self.blocks_vector_source_x_0_0, 0), (self, 1))
self.connect((self.digital_chunks_to_symbols_xx_0_0, 0), (self, 0))
self.connect((self.digital_diff_encoder_bb_0, 0),
(self.blocks_tagged_stream_mux_0, 2))
self.connect((self.digital_diff_encoder_bb_0, 0), (self, 4))
self.connect((self.digital_diff_encoder_bb_0_0, 0),
(self.blocks_tagged_stream_mux_0, 3))
self.connect((self.digital_diff_encoder_bb_0_0, 0), (self, 3))
self.connect((self.digital_glfsr_source_x_0, 0),
(self.blocks_stream_to_tagged_stream_1, 0))
self.connect((self.digital_packet_headergenerator_bb_0_0, 0),
(self.blocks_tag_gate_0, 0))
self.connect((self, 0), (self.blocks_stream_to_tagged_stream_0_0_0, 0))
def __init__(self,
min_errors=100,
noise=0,
samp_per_sym=50,
tcola_m=32,
tcola_r=1):
gr.top_block.__init__(self, "BER 4FSK TCOLA")
##################################################
# Parameters
##################################################
self.min_errors = min_errors
self.noise = noise
self.samp_per_sym = samp_per_sym
self.tcola_m = tcola_m
self.tcola_r = tcola_r
##################################################
# Variables
##################################################
self.symb_rate = symb_rate = 4800
self.rrc_taps = rrc_taps = samp_per_sym * 6 + 1
self.symbol_delay = symbol_delay = rrc_taps / samp_per_sym - 1
self.samp_rate = samp_rate = symb_rate * samp_per_sym
self.fsk_deviation_hz = fsk_deviation_hz = 648
self.bits_skip = bits_skip = 10000
self.bits_per_sym = bits_per_sym = 2
##################################################
# Blocks
##################################################
self.delay = blocks.delay(gr.sizeof_char * 1,
(symbol_delay + symb_rate) * bits_per_sym)
self.vco = blocks.vco_c(samp_rate, fsk_deviation_hz * 2 * math.pi, 1)
self.tcola_time_compression_0 = tcola.time_compression_c(
tcola_m, tcola_r, ())
self.tcola_overlap_add_0 = tcola.overlap_add_c(tcola_m, tcola_r, ())
self.sample_counter = sample_counter()
self.quadrature_demod = analog.quadrature_demod_cf(
samp_rate / (2 * math.pi * fsk_deviation_hz))
self.probe_avg_power = analog.probe_avg_mag_sqrd_c(0, 1)
self.pack_rx_bits = blocks.pack_k_bits_bb(8)
self.pack_msg_bits = blocks.pack_k_bits_bb(8)
self.glfsr = digital.glfsr_source_b(8, True, 0, 1)
self.four_level_rrc_transmitter = four_level_rrc_transmitter(
alpha=0.350,
bits_per_symbol=2,
rrc_taps=rrc_taps,
samp_per_sym=samp_per_sym,
sym_rate=symb_rate,
)
self.four_level_rrc_receiver = four_level_rrc_receiver(
alpha=0.350,
bits_per_sym=2,
rrc_taps=rrc_taps,
samp_per_sym=samp_per_sym,
sym_rate=symb_rate,
)
self.channel_model = channels.channel_model(noise_voltage=noise,
frequency_offset=0.0,
epsilon=1.0,
taps=(1, ),
noise_seed=0,
block_tags=False)
self.blocks_skiphead_0_0 = blocks.skiphead(gr.sizeof_char * 1,
bits_skip)
self.blocks_skiphead_0 = blocks.skiphead(gr.sizeof_char * 1, bits_skip)
self.blocks_delay_0_0 = blocks.delay(gr.sizeof_gr_complex * 1,
samp_rate - tcola_m)
self.ber_sink = blocks.vector_sink_f(1)
self.ber_measure = fec.ber_bf(True, min_errors, -7.0)
##################################################
# Connections
##################################################
self.connect((self.ber_measure, 0), (self.ber_sink, 0))
self.connect((self.blocks_delay_0_0, 0), (self.quadrature_demod, 0))
self.connect((self.blocks_skiphead_0, 0), (self.sample_counter, 0))
self.connect((self.blocks_skiphead_0_0, 0), (self.pack_rx_bits, 0))
self.connect((self.channel_model, 0), (self.tcola_overlap_add_0, 0))
self.connect((self.delay, 0), (self.blocks_skiphead_0, 0))
self.connect((self.four_level_rrc_receiver, 2),
(self.blocks_skiphead_0_0, 0))
self.connect((self.four_level_rrc_transmitter, 1), (self.vco, 0))
self.connect((self.glfsr, 0), (self.delay, 0))
self.connect((self.glfsr, 0), (self.four_level_rrc_transmitter, 0))
self.connect((self.pack_msg_bits, 0), (self.ber_measure, 0))
self.connect((self.pack_rx_bits, 0), (self.ber_measure, 1))
self.connect((self.quadrature_demod, 0),
(self.four_level_rrc_receiver, 0))
self.connect((self.sample_counter, 0), (self.pack_msg_bits, 0))
self.connect((self.tcola_overlap_add_0, 0), (self.blocks_delay_0_0, 0))
self.connect((self.tcola_time_compression_0, 0),
(self.channel_model, 0))
self.connect((self.tcola_time_compression_0, 0),
(self.probe_avg_power, 0))
self.connect((self.vco, 0), (self.tcola_time_compression_0, 0))