def __init__(self,
constellation_points=_def_constellation_points,
gray_coded=_def_gray_coded,
differential=True,
*args,
**kwargs):
"""
Hierarchical block for RRC-filtered DQPSK modulation.
The input is a byte stream (unsigned char) and the
output is the complex modulated signal at baseband.
See generic_mod block for list of parameters.
"""
constellation_points = _def_constellation_points
constellation = digital_swig.constellation_dqpsk()
if constellation_points != 4:
raise ValueError(
'Number of constellation points must be 4 for DQPSK.')
super(dqpsk_mod, self).__init__(constellation=constellation,
gray_coded=gray_coded,
differential=True,
*args,
**kwargs)
def __init__(self, constellation_points=_def_constellation_points,
differential=True, *args, **kwargs):
"""
Hierarchical block for RRC-filtered DQPSK modulation.
The input is a byte stream (unsigned char) and the
output is the complex modulated signal at baseband.
See generic_demod block for list of parameters.
"""
constellation_points = _def_constellation_points
constellation = digital_swig.constellation_dqpsk()
if constellation_points != 4:
raise ValueError('Number of constellation points must be 4 for DQPSK.')
super(dqpsk_demod, self).__init__(constellation=constellation,
differential=True,
*args, **kwargs)
def __init__(
self,
const_1_name="BPSK",
const_2_name="QPSK",
element_separation=0,
file_name="eigenvalues5.csv",
noise_voltage_1=0,
noise_voltage_2=0,
phi_1=70,
phi_2=41,
theta_1=45,
theta_2=75,
):
gr.top_block.__init__(self, "Eigenvalues Grabber")
##################################################
# Parameters
##################################################
self.const_1_name = const_1_name
self.const_2_name = const_2_name
self.element_separation = element_separation
self.file_name = file_name
self.noise_voltage_1 = noise_voltage_1
self.noise_voltage_2 = noise_voltage_2
self.phi_1 = phi_1
self.phi_2 = phi_2
self.theta_1 = theta_1
self.theta_2 = theta_2
##################################################
# Variables
##################################################
if const_1_name == "bpsk":
self.const_1 = const_1 = digital.constellation_bpsk().base()
elif const_1_name == "qpsk":
self.const_1 = const_1 = digital.constellation_qpsk().base()
elif const_1_name == "dqpsk":
self.const_1 = const_1 = digital.constellation_dqpsk().base()
elif const_1_name == "8psk":
self.const_1 = const_1 = digital.constellation_8psk().base()
elif const_1_name == "16qam":
self.const_1 = const_1 = digital.constellation_16qam().base()
if const_2_name == "bpsk":
self.const_2 = const_2 = digital.constellation_bpsk().base()
elif const_2_name == "qpsk":
self.const_2 = const_2 = digital.constellation_qpsk().base()
elif const_2_name == "dqpsk":
self.const_2 = const_2 = digital.constellation_dqpsk().base()
elif const_2_name == "8psk":
self.const_2 = const_2 = digital.constellation_8psk().base()
elif const_2_name == "16qam":
self.const_2 = const_2 = digital.constellation_16qam().base()
self.samp_rate = samp_rate = 150000
self.n = n = 2
self.my = my = 4
self.mx = mx = 4
self.fc = fc = 436e6
self.bps_2 = bps_2 = const_2.bits_per_symbol()
self.bps_1 = bps_1 = const_1.bits_per_symbol()
##################################################
# Blocks
##################################################
self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc(
const_2.points(), 1
)
self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc(
const_1.points(), 1
)
self.blocks_throttle_0_0 = blocks.throttle(gr.sizeof_char * 1, samp_rate, True)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char * 1, samp_rate, True)
self.blocks_packed_to_unpacked_xx_0_0 = blocks.packed_to_unpacked_bb(
bps_2, gr.GR_MSB_FIRST
)
self.blocks_packed_to_unpacked_xx_0 = blocks.packed_to_unpacked_bb(
bps_1, gr.GR_MSB_FIRST
)
self.blocks_add_xx_1 = blocks.add_vcc(mx * my)
self.blocks_add_xx_0_0 = blocks.add_vcc(mx * my)
self.blocks_add_xx_0 = blocks.add_vcc(mx * my)
self.beamforming_randomsampler_0 = beamforming.randomsampler(mx * my, 8)
self.beamforming_phasedarray_0_0 = beamforming.phasedarray(
mx, my, theta_2, phi_2, 436e6, (299792458 / (2 * fc)), element_separation
)
self.beamforming_phasedarray_0 = beamforming.phasedarray(
mx, my, theta_1, phi_1, 436e6, (299792458 / (2 * fc)), element_separation
)
self.beamforming_doaesprit_py_cf_0 = beamforming.doaesprit_py_cf(
mx, my, fc, (299792458 / (2 * fc)), n, 128, file_name
)
self.analog_vectornoise_source_0_0 = analog.vectornoise_source(
noise_voltage_2, mx * my
)
self.analog_vectornoise_source_0 = analog.vectornoise_source(
noise_voltage_1, mx * my
)
self.analog_random_source_x_0_0 = blocks.vector_source_b(
list(map(int, numpy.random.randint(0, 256, 1000))), False
)
self.analog_random_source_x_0 = blocks.vector_source_b(
list(map(int, numpy.random.randint(0, 256, 1000))), False
)
##################################################
# Connections
##################################################
self.connect((self.analog_random_source_x_0, 0), (self.blocks_throttle_0, 0))
self.connect(
(self.analog_random_source_x_0_0, 0), (self.blocks_throttle_0_0, 0)
)
self.connect((self.analog_vectornoise_source_0, 0), (self.blocks_add_xx_0, 1))
self.connect(
(self.analog_vectornoise_source_0_0, 0), (self.blocks_add_xx_0_0, 1)
)
self.connect((self.beamforming_phasedarray_0, 0), (self.blocks_add_xx_0, 0))
self.connect((self.beamforming_phasedarray_0_0, 0), (self.blocks_add_xx_0_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.blocks_add_xx_1, 0))
self.connect((self.blocks_add_xx_0_0, 0), (self.blocks_add_xx_1, 1))
self.connect((self.blocks_add_xx_1, 0), (self.beamforming_randomsampler_0, 0))
self.connect(
(self.blocks_packed_to_unpacked_xx_0, 0),
(self.digital_chunks_to_symbols_xx_0, 0),
)
self.connect(
(self.blocks_packed_to_unpacked_xx_0_0, 0),
(self.digital_chunks_to_symbols_xx_0_0, 0),
)
self.connect(
(self.blocks_throttle_0, 0), (self.blocks_packed_to_unpacked_xx_0, 0)
)
self.connect(
(self.blocks_throttle_0_0, 0), (self.blocks_packed_to_unpacked_xx_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, 0),
(self.beamforming_phasedarray_0_0, 0),
)
def dqpsk_constellation(m=_def_constellation_points):
if m != _def_constellation_points:
raise ValueError("DQPSK can only have 4 constellation points.")
return digital_swig.constellation_dqpsk()
def __init__(self):
gr.top_block.__init__(self, "Soft Decoder Example")
Qt.QWidget.__init__(self)
self.setWindowTitle("Soft Decoder Example")
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", "constellation_soft_decoder")
self.restoreGeometry(
self.settings.value("geometry", type=QtCore.QByteArray))
##################################################
# Variables
##################################################
self.sps = sps = 4
self.nfilts = nfilts = 32
self.samp_rate = samp_rate = 100000
self.rrc_taps = rrc_taps = firdes.root_raised_cosine(
nfilts, nfilts, 1.0 / float(sps), 0.35, 11 * sps * nfilts)
self.noise_volt = noise_volt = 0.0001
self.delay = delay = 29
self.constel = constel = digital.constellation_dqpsk().base()
self.constel.gen_soft_dec_lut(8)
self.arity = arity = 4
##################################################
# Blocks
##################################################
self._noise_volt_range = Range(0, 1, 0.01, 0.0001, 200)
self._noise_volt_win = RangeWidget(self._noise_volt_range,
self.set_noise_volt,
'Channel: Noise Voltage', "slider",
float)
self.top_grid_layout.addWidget(self._noise_volt_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._delay_options = (
29,
58,
116,
)
self._delay_labels = (
'BPSK',
'QPSK',
'QAM16',
)
self._delay_tool_bar = Qt.QToolBar(self)
self._delay_tool_bar.addWidget(Qt.QLabel('Delay' + ": "))
self._delay_combo_box = Qt.QComboBox()
self._delay_tool_bar.addWidget(self._delay_combo_box)
for label in self._delay_labels:
self._delay_combo_box.addItem(label)
self._delay_callback = lambda i: Qt.QMetaObject.invokeMethod(
self._delay_combo_box, "setCurrentIndex",
Qt.Q_ARG("int", self._delay_options.index(i)))
self._delay_callback(self.delay)
self._delay_combo_box.currentIndexChanged.connect(
lambda i: self.set_delay(self._delay_options[i]))
self.top_grid_layout.addWidget(self._delay_tool_bar, 0, 1, 1, 1)
for r in range(0, 1):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(1, 2):
self.top_grid_layout.setColumnStretch(c, 1)
self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
500, #size
samp_rate, #samp_rate
'', #name
3 #number of inputs
)
self.qtgui_time_sink_x_0.set_update_time(0.05)
self.qtgui_time_sink_x_0.set_y_axis(-1, 2)
self.qtgui_time_sink_x_0.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_0.enable_tags(-1, True)
self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS, 0.0, 0,
0, "")
self.qtgui_time_sink_x_0.enable_autoscale(False)
self.qtgui_time_sink_x_0.enable_grid(False)
self.qtgui_time_sink_x_0.enable_axis_labels(True)
self.qtgui_time_sink_x_0.enable_control_panel(False)
self.qtgui_time_sink_x_0.enable_stem_plot(False)
if not True:
self.qtgui_time_sink_x_0.disable_legend()
labels = ['Soft', 'Hard', 'Orig', '', '', '', '', '', '', '']
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_grid_layout.addWidget(self._qtgui_time_sink_x_0_win, 1, 1, 1,
1)
for r in range(1, 2):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(1, 2):
self.top_grid_layout.setColumnStretch(c, 1)
self.qtgui_const_sink_x_1 = qtgui.const_sink_c(
1024, #size
'', #name
1 #number of inputs
)
self.qtgui_const_sink_x_1.set_update_time(0.10)
self.qtgui_const_sink_x_1.set_y_axis(-2, 2)
self.qtgui_const_sink_x_1.set_x_axis(-2, 2)
self.qtgui_const_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS, 0.0,
0, "")
self.qtgui_const_sink_x_1.enable_autoscale(False)
self.qtgui_const_sink_x_1.enable_grid(False)
self.qtgui_const_sink_x_1.enable_axis_labels(True)
if not True:
self.qtgui_const_sink_x_1.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_1.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_const_sink_x_1.set_line_label(i, labels[i])
self.qtgui_const_sink_x_1.set_line_width(i, widths[i])
self.qtgui_const_sink_x_1.set_line_color(i, colors[i])
self.qtgui_const_sink_x_1.set_line_style(i, styles[i])
self.qtgui_const_sink_x_1.set_line_marker(i, markers[i])
self.qtgui_const_sink_x_1.set_line_alpha(i, alphas[i])
self._qtgui_const_sink_x_1_win = sip.wrapinstance(
self.qtgui_const_sink_x_1.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_const_sink_x_1_win, 1, 0, 1,
1)
for r in range(1, 2):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 1):
self.top_grid_layout.setColumnStretch(c, 1)
self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(
sps, 6.28 / 100.0, (rrc_taps), nfilts, nfilts / 2, 1.5, 1)
self.digital_map_bb_0_0 = digital.map_bb((constel.pre_diff_code()))
self.digital_constellation_soft_decoder_cf_0 = digital.constellation_soft_decoder_cf(
constel)
self.digital_constellation_modulator_0 = digital.generic_mod(
constellation=constel,
differential=False,
samples_per_symbol=sps,
pre_diff_code=True,
excess_bw=0.35,
verbose=False,
log=False,
)
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(
constel)
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.channels_channel_model_0 = channels.channel_model(
noise_voltage=noise_volt,
frequency_offset=0.0,
epsilon=1.0,
taps=(1.0, ),
noise_seed=0,
block_tags=False)
self.blocks_unpack_k_bits_bb_0_0 = blocks.unpack_k_bits_bb(8)
self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(
constel.bits_per_symbol())
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char * 1, samp_rate,
True)
self.blocks_repack_bits_bb_0_0_0 = blocks.repack_bits_bb(
2, 8, "", True, gr.GR_MSB_FIRST)
self.blocks_file_source_0_0 = blocks.file_source(
gr.sizeof_char * 1, '/home/andre/Desktop/letra.txt', True)
self.blocks_file_source_0_0.set_begin_tag(pmt.PMT_NIL)
self.blocks_file_sink_0 = blocks.file_sink(
gr.sizeof_char * 1, '/home/andre/Desktop/transmitido/depois.txt',
False)
self.blocks_file_sink_0.set_unbuffered(False)
self.blocks_delay_0 = blocks.delay(gr.sizeof_char * 1, int(delay))
self.blocks_char_to_float_0_0_0 = blocks.char_to_float(1, 1)
self.blocks_char_to_float_0_0 = blocks.char_to_float(1, 1)
self.blocks_char_to_float_0 = blocks.char_to_float(1, 1)
##################################################
# Connections
##################################################
self.connect((self.blocks_char_to_float_0, 0),
(self.qtgui_time_sink_x_0, 1))
self.connect((self.blocks_char_to_float_0_0, 0),
(self.qtgui_time_sink_x_0, 0))
self.connect((self.blocks_char_to_float_0_0_0, 0),
(self.qtgui_time_sink_x_0, 2))
self.connect((self.blocks_delay_0, 0),
(self.blocks_char_to_float_0_0_0, 0))
self.connect((self.blocks_file_source_0_0, 0),
(self.blocks_throttle_0, 0))
self.connect((self.blocks_repack_bits_bb_0_0_0, 0),
(self.blocks_file_sink_0, 0))
self.connect((self.blocks_throttle_0, 0),
(self.blocks_unpack_k_bits_bb_0_0, 0))
self.connect((self.blocks_throttle_0, 0),
(self.digital_constellation_modulator_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0),
(self.blocks_char_to_float_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0_0, 0),
(self.blocks_delay_0, 0))
self.connect((self.channels_channel_model_0, 0),
(self.digital_pfb_clock_sync_xxx_0, 0))
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_repack_bits_bb_0_0_0, 0))
self.connect((self.digital_constellation_decoder_cb_0, 0),
(self.digital_map_bb_0_0, 0))
self.connect((self.digital_constellation_modulator_0, 0),
(self.channels_channel_model_0, 0))
self.connect((self.digital_constellation_soft_decoder_cf_0, 0),
(self.digital_binary_slicer_fb_0, 0))
self.connect((self.digital_map_bb_0_0, 0),
(self.blocks_unpack_k_bits_bb_0, 0))
self.connect((self.digital_pfb_clock_sync_xxx_0, 0),
(self.digital_constellation_decoder_cb_0, 0))
self.connect((self.digital_pfb_clock_sync_xxx_0, 0),
(self.digital_constellation_soft_decoder_cf_0, 0))
self.connect((self.digital_pfb_clock_sync_xxx_0, 0),
(self.qtgui_const_sink_x_1, 0))
def dqpsk_constellation(m=_def_constellation_points):
if m != _def_constellation_points:
raise ValueError("DQPSK can only have 4 constellation points.")
return digital_swig.constellation_dqpsk()