def test_001(self):
# We're using a really simple preamble so that the correlation
# is straight forward.
preamble = [0, 0, 0, 1, 0, 0, 0]
# Our pulse shape has this width (in units of symbols).
pulse_width = 1.5
# The number of filters to use for resampling.
n_filters = 12
sps = 3
data = [0]*10 + preamble + [0]*40
src = blocks.vector_source_c(data)
# We want to generate taps with a sampling rate of sps=n_filters for resampling
# purposes.
pulse_shape = make_parabolic_pulse_shape(sps=n_filters, N=0.5, scale=35)
# Create our resampling filter to generate the data for the correlator.
shape = filter.pfb_arb_resampler_ccf(sps, pulse_shape, n_filters)
# Generate the correlator block itself.
correlator = digital.correlate_and_sync_cc(preamble, pulse_shape, sps, n_filters)
# Connect it all up and go.
snk = blocks.vector_sink_c()
null = blocks.null_sink(gr.sizeof_gr_complex)
tb = gr.top_block()
tb.connect(src, shape, correlator, snk)
tb.connect((correlator, 1), null)
tb.run()
# Look at the tags. Retrieve the timing offset.
data = snk.data()
offset = None
timing_error = None
for tag in snk.tags():
key = pmt.symbol_to_string(tag.key)
if key == "time_est":
offset = tag.offset
timing_error = pmt.to_double(tag.value)
if offset is None:
raise ValueError("No tags found.")
# Detect where the middle of the preamble is.
# Assume we have only one peak and that it is symmetric.
sum_id = 0
sum_d = 0
for i, d in enumerate(data):
sum_id += i*abs(d)
sum_d += abs(d)
data_i = sum_id/sum_d
if offset is not None:
diff = data_i-offset
remainder = -(diff%sps)
if remainder < -sps/2.0:
remainder += sps
tol = 0.2
difference = timing_error - remainder
difference = difference % sps
if abs(difference) >= tol:
print("Tag gives timing estimate of {0}. QA calculates it as {1}. Tolerance is {2}".format(timing_error, remainder, tol))
self.assertTrue(abs(difference) < tol)
def __init__(self):
gr.top_block.__init__(self, "Simulation for SDR TCC")
Qt.QWidget.__init__(self)
self.setWindowTitle("Simulation for SDR TCC")
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", "sdrSim2")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.sps = sps = 4
self.nfilts = nfilts = 32
self.eb = eb = 0.35
self.timing_loop_bw = timing_loop_bw = 0.005
self.time_offset = time_offset = 1.00
self.taps = taps = [1.0, 0.25-0.25j, 0.50 + 0.10j, -0.3 + 0.2j]
self.samp_rate = samp_rate = 32000
self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), 0.35, 11*sps*nfilts)
self.qpsk = qpsk = digital.constellation_rect(([0.707+0.707j, -0.707+0.707j, -0.707-0.707j, 0.707-0.707j]), ([0, 1, 2, 3]), 4, 2, 2, 1, 1).base()
self.preamble = preamble = [1,-1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,-1,1,1,-1,1,-1,-1,1,-1,-1,1,1,1,-1,-1,-1,1,-1,1,1,1,1,-1,-1,1,-1,1,-1,-1,-1,1,1,-1,-1,-1,-1,1,-1,-1,-1,-1,-1,1,1,1,1,1,1,-1,-1]
self.phase_bw = phase_bw = 6.28/100.0
self.payload_size = payload_size = 992
self.noise_volt = noise_volt = 0.0001
self.matched_filter = matched_filter = firdes.root_raised_cosine(nfilts, nfilts, 1, eb, int(11*sps*nfilts))
self.freq_offset = freq_offset = 0
self.freq_bw = freq_bw = 6.28/100.0
self.excess_bw = excess_bw = 0.35
self.eq_gain = eq_gain = 0.01
self.delay = delay = 0
self.arity = arity = 4
##################################################
# Blocks
##################################################
self.controls = Qt.QTabWidget()
self.controls_widget_0 = Qt.QWidget()
self.controls_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.controls_widget_0)
self.controls_grid_layout_0 = Qt.QGridLayout()
self.controls_layout_0.addLayout(self.controls_grid_layout_0)
self.controls.addTab(self.controls_widget_0, "Channel")
self.controls_widget_1 = Qt.QWidget()
self.controls_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.controls_widget_1)
self.controls_grid_layout_1 = Qt.QGridLayout()
self.controls_layout_1.addLayout(self.controls_grid_layout_1)
self.controls.addTab(self.controls_widget_1, "Receiver")
self.top_grid_layout.addWidget(self.controls, 0,0,1,2)
self._timing_loop_bw_layout = Qt.QVBoxLayout()
self._timing_loop_bw_label = Qt.QLabel("Time: BW")
self._timing_loop_bw_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._timing_loop_bw_slider.setRange(0.0, 0.2, 0.005)
self._timing_loop_bw_slider.setValue(self.timing_loop_bw)
self._timing_loop_bw_slider.setMinimumWidth(200)
self._timing_loop_bw_slider.valueChanged.connect(self.set_timing_loop_bw)
self._timing_loop_bw_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
self._timing_loop_bw_layout.addWidget(self._timing_loop_bw_label)
self._timing_loop_bw_layout.addWidget(self._timing_loop_bw_slider)
self.controls_grid_layout_1.addLayout(self._timing_loop_bw_layout, 0,0,1,1)
self._time_offset_layout = Qt.QVBoxLayout()
self._time_offset_tool_bar = Qt.QToolBar(self)
self._time_offset_layout.addWidget(self._time_offset_tool_bar)
self._time_offset_tool_bar.addWidget(Qt.QLabel("Timing Offset"+": "))
class qwt_counter_pyslot(Qwt.QwtCounter):
def __init__(self, parent=None):
Qwt.QwtCounter.__init__(self, parent)
@pyqtSlot('double')
def setValue(self, value):
super(Qwt.QwtCounter, self).setValue(value)
self._time_offset_counter = qwt_counter_pyslot()
self._time_offset_counter.setRange(0.999, 1.001, 0.0001)
self._time_offset_counter.setNumButtons(2)
self._time_offset_counter.setValue(self.time_offset)
self._time_offset_tool_bar.addWidget(self._time_offset_counter)
self._time_offset_counter.valueChanged.connect(self.set_time_offset)
self._time_offset_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._time_offset_slider.setRange(0.999, 1.001, 0.0001)
self._time_offset_slider.setValue(self.time_offset)
self._time_offset_slider.setMinimumWidth(200)
self._time_offset_slider.valueChanged.connect(self.set_time_offset)
self._time_offset_layout.addWidget(self._time_offset_slider)
self.controls_grid_layout_0.addLayout(self._time_offset_layout, 0,2,1,1)
self.received = Qt.QTabWidget()
self.received_widget_0 = Qt.QWidget()
self.received_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.received_widget_0)
self.received_grid_layout_0 = Qt.QGridLayout()
self.received_layout_0.addLayout(self.received_grid_layout_0)
self.received.addTab(self.received_widget_0, "Constellation")
self.received_widget_1 = Qt.QWidget()
self.received_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.received_widget_1)
self.received_grid_layout_1 = Qt.QGridLayout()
self.received_layout_1.addLayout(self.received_grid_layout_1)
self.received.addTab(self.received_widget_1, "Symbols")
self.top_grid_layout.addWidget(self.received, 2,0,1,1)
self._phase_bw_layout = Qt.QVBoxLayout()
self._phase_bw_label = Qt.QLabel("Phase: Bandwidth")
self._phase_bw_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._phase_bw_slider.setRange(0.0, 1.0, 0.01)
self._phase_bw_slider.setValue(self.phase_bw)
self._phase_bw_slider.setMinimumWidth(200)
self._phase_bw_slider.valueChanged.connect(self.set_phase_bw)
self._phase_bw_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
self._phase_bw_layout.addWidget(self._phase_bw_label)
self._phase_bw_layout.addWidget(self._phase_bw_slider)
self.controls_grid_layout_1.addLayout(self._phase_bw_layout, 0,2,1,1)
self._noise_volt_layout = Qt.QVBoxLayout()
self._noise_volt_tool_bar = Qt.QToolBar(self)
self._noise_volt_layout.addWidget(self._noise_volt_tool_bar)
self._noise_volt_tool_bar.addWidget(Qt.QLabel("Noise Voltage"+": "))
class qwt_counter_pyslot(Qwt.QwtCounter):
def __init__(self, parent=None):
Qwt.QwtCounter.__init__(self, parent)
@pyqtSlot('double')
def setValue(self, value):
super(Qwt.QwtCounter, self).setValue(value)
self._noise_volt_counter = qwt_counter_pyslot()
self._noise_volt_counter.setRange(0, 1, 0.01)
self._noise_volt_counter.setNumButtons(2)
self._noise_volt_counter.setValue(self.noise_volt)
self._noise_volt_tool_bar.addWidget(self._noise_volt_counter)
self._noise_volt_counter.valueChanged.connect(self.set_noise_volt)
self._noise_volt_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._noise_volt_slider.setRange(0, 1, 0.01)
self._noise_volt_slider.setValue(self.noise_volt)
self._noise_volt_slider.setMinimumWidth(200)
self._noise_volt_slider.valueChanged.connect(self.set_noise_volt)
self._noise_volt_layout.addWidget(self._noise_volt_slider)
self.controls_grid_layout_0.addLayout(self._noise_volt_layout, 0,0,1,1)
self._freq_offset_layout = Qt.QVBoxLayout()
self._freq_offset_tool_bar = Qt.QToolBar(self)
self._freq_offset_layout.addWidget(self._freq_offset_tool_bar)
self._freq_offset_tool_bar.addWidget(Qt.QLabel("Frequency Offset"+": "))
class qwt_counter_pyslot(Qwt.QwtCounter):
def __init__(self, parent=None):
Qwt.QwtCounter.__init__(self, parent)
@pyqtSlot('double')
def setValue(self, value):
super(Qwt.QwtCounter, self).setValue(value)
self._freq_offset_counter = qwt_counter_pyslot()
self._freq_offset_counter.setRange(-0.1, 0.1, 0.001)
self._freq_offset_counter.setNumButtons(2)
self._freq_offset_counter.setValue(self.freq_offset)
self._freq_offset_tool_bar.addWidget(self._freq_offset_counter)
self._freq_offset_counter.valueChanged.connect(self.set_freq_offset)
self._freq_offset_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._freq_offset_slider.setRange(-0.1, 0.1, 0.001)
self._freq_offset_slider.setValue(self.freq_offset)
self._freq_offset_slider.setMinimumWidth(200)
self._freq_offset_slider.valueChanged.connect(self.set_freq_offset)
self._freq_offset_layout.addWidget(self._freq_offset_slider)
self.controls_grid_layout_0.addLayout(self._freq_offset_layout, 0,1,1,1)
self._eq_gain_layout = Qt.QVBoxLayout()
self._eq_gain_label = Qt.QLabel("Equalizer: rate")
self._eq_gain_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._eq_gain_slider.setRange(0.0, 0.1, 0.001)
self._eq_gain_slider.setValue(self.eq_gain)
self._eq_gain_slider.setMinimumWidth(200)
self._eq_gain_slider.valueChanged.connect(self.set_eq_gain)
self._eq_gain_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
self._eq_gain_layout.addWidget(self._eq_gain_label)
self._eq_gain_layout.addWidget(self._eq_gain_slider)
self.controls_grid_layout_1.addLayout(self._eq_gain_layout, 0,1,1,1)
self._delay_layout = Qt.QVBoxLayout()
self._delay_tool_bar = Qt.QToolBar(self)
self._delay_layout.addWidget(self._delay_tool_bar)
self._delay_tool_bar.addWidget(Qt.QLabel("Delay"+": "))
class qwt_counter_pyslot(Qwt.QwtCounter):
def __init__(self, parent=None):
Qwt.QwtCounter.__init__(self, parent)
@pyqtSlot('double')
def setValue(self, value):
super(Qwt.QwtCounter, self).setValue(value)
self._delay_counter = qwt_counter_pyslot()
self._delay_counter.setRange(0, 200, 1)
self._delay_counter.setNumButtons(2)
self._delay_counter.setValue(self.delay)
self._delay_tool_bar.addWidget(self._delay_counter)
self._delay_counter.valueChanged.connect(self.set_delay)
self._delay_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._delay_slider.setRange(0, 200, 1)
self._delay_slider.setValue(self.delay)
self._delay_slider.setMinimumWidth(200)
self._delay_slider.valueChanged.connect(self.set_delay)
self._delay_layout.addWidget(self._delay_slider)
self.top_grid_layout.addLayout(self._delay_layout, 1,0,1,1)
self.tutorial_my_qpsk_demod_cb_1 = tutorial.my_qpsk_demod_cb(True)
self.qtgui_time_sink_x_0_0 = qtgui.time_sink_f(
500, #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(-1, 2)
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(False)
labels = ["", "", "", "", "",
"", "", "", "", ""]
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ["blue", "red", "green", "black", "cyan",
"magenta", "yellow", "dark red", "dark green", "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_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_0_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_0_win, 2,1,1,1)
self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
500, #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, 4)
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)
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.received_grid_layout_1.addWidget(self._qtgui_time_sink_x_0_win, 0,0,1,1)
self.qtgui_const_sink_x_0 = qtgui.const_sink_c(
1024, #size
"", #name
1 #number of inputs
)
self.qtgui_const_sink_x_0.set_update_time(0.10)
self.qtgui_const_sink_x_0.set_y_axis(-2, 2)
self.qtgui_const_sink_x_0.set_x_axis(-2, 2)
self.qtgui_const_sink_x_0.enable_autoscale(False)
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.received_grid_layout_0.addWidget(self._qtgui_const_sink_x_0_win, 0,0,1,1)
self._freq_bw_layout = Qt.QVBoxLayout()
self._freq_bw_label = Qt.QLabel("Frequency Bandwidth")
self._freq_bw_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._freq_bw_slider.setRange(0.0, 1.0, 0.01)
self._freq_bw_slider.setValue(self.freq_bw)
self._freq_bw_slider.setMinimumWidth(200)
self._freq_bw_slider.valueChanged.connect(self.set_freq_bw)
self._freq_bw_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
self._freq_bw_layout.addWidget(self._freq_bw_label)
self._freq_bw_layout.addWidget(self._freq_bw_slider)
self.controls_grid_layout_1.addLayout(self._freq_bw_layout, 0,3,1,1)
self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps, timing_loop_bw, (rrc_taps), nfilts, nfilts/2, 1.5, 2)
self.digital_map_bb_0 = digital.map_bb(([0,1,3,2]))
self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(4)
self.digital_costas_loop_cc_0 = digital.costas_loop_cc(phase_bw, arity)
self.digital_correlate_and_sync_cc_0 = digital.correlate_and_sync_cc((preamble), (matched_filter), sps)
self.digital_constellation_modulator_0 = digital.generic_mod(
constellation=qpsk,
differential=True,
samples_per_symbol=sps,
pre_diff_code=True,
excess_bw=excess_bw,
verbose=False,
log=False,
)
self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc(15, 1, eq_gain, 2)
self.channels_channel_model_0 = channels.channel_model(
noise_voltage=noise_volt,
frequency_offset=freq_offset,
epsilon=time_offset,
taps=(taps),
noise_seed=0,
block_tags=False
)
self.blocks_vector_source_x_0_0 = blocks.vector_source_b(map(lambda x: (-x+1)/2, preamble), True, 1, [])
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(2)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
self.blocks_stream_mux_0_0_0 = blocks.stream_mux(gr.sizeof_char*1, (len(preamble)/8,payload_size))
self.blocks_pack_k_bits_bb_1 = 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_gr_complex*1)
self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, "/home/franchz/tcc/gnuradio/tx_teste.txt", True)
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char*1, "/home/franchz/tcc/gnuradio/rx_teste.txt", False)
self.blocks_file_sink_0.set_unbuffered(False)
self.blocks_delay_0 = blocks.delay(gr.sizeof_float*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_throttle_0, 0), (self.channels_channel_model_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0), (self.qtgui_const_sink_x_0, 0))
self.connect((self.blocks_char_to_float_0, 0), (self.qtgui_time_sink_x_0, 0))
self.connect((self.digital_cma_equalizer_cc_0, 0), (self.digital_costas_loop_cc_0, 0))
self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_cma_equalizer_cc_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0_0, 0), (self.blocks_char_to_float_0_0_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_char_to_float_0_0, 0))
self.connect((self.blocks_vector_source_x_0_0, 0), (self.blocks_pack_k_bits_bb_0, 0))
self.connect((self.blocks_pack_k_bits_bb_0, 0), (self.blocks_stream_mux_0_0_0, 0))
self.connect((self.channels_channel_model_0, 0), (self.digital_correlate_and_sync_cc_0, 0))
self.connect((self.digital_correlate_and_sync_cc_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0))
self.connect((self.digital_correlate_and_sync_cc_0, 1), (self.blocks_null_sink_0, 0))
self.connect((self.blocks_file_source_0, 0), (self.blocks_stream_mux_0_0_0, 1))
self.connect((self.blocks_file_source_0, 0), (self.blocks_unpack_k_bits_bb_0_0, 0))
self.connect((self.blocks_char_to_float_0_0, 0), (self.qtgui_time_sink_x_0_0, 1))
self.connect((self.blocks_char_to_float_0_0_0, 0), (self.blocks_delay_0, 0))
self.connect((self.blocks_delay_0, 0), (self.qtgui_time_sink_x_0_0, 0))
self.connect((self.blocks_pack_k_bits_bb_1, 0), (self.blocks_file_sink_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_pack_k_bits_bb_1, 0))
self.connect((self.blocks_stream_mux_0_0_0, 0), (self.digital_constellation_modulator_0, 0))
self.connect((self.digital_constellation_modulator_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.tutorial_my_qpsk_demod_cb_1, 0), (self.digital_map_bb_0, 0))
self.connect((self.digital_map_bb_0, 0), (self.digital_diff_decoder_bb_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0), (self.tutorial_my_qpsk_demod_cb_1, 0))
self.connect((self.digital_diff_decoder_bb_0, 0), (self.blocks_char_to_float_0, 0))
self.connect((self.digital_diff_decoder_bb_0, 0), (self.blocks_unpack_k_bits_bb_0, 0))
def __init__(self):
gr.top_block.__init__(self, "MPSK Receiver")
Qt.QWidget.__init__(self)
self.setWindowTitle("MPSK Receiver")
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "mpsk_rx")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.sps = sps = 4
self.nfilts = nfilts = 32
self.eb = eb = 0.35
self.usrp_gain = usrp_gain = 40
self.timing_loop_bw = timing_loop_bw = 0.01
self.samp_rate = samp_rate = 1e6
self.rrc_taps = rrc_taps = firdes.root_raised_cosine(
nfilts, nfilts, 1.0 / float(sps), 0.35, 11 * sps * nfilts)
self.qpsk = qpsk = digital.constellation_rect(([
0.707 + 0.707j, -0.707 + 0.707j, -0.707 - 0.707j, 0.707 - 0.707j
]), ([0, 1, 2, 3]), 4, 2, 2, 1, 1).base()
self.preamble = preamble = [
1, -1, 1, -1, 1, 1, -1, -1, 1, 1, -1, 1, 1, 1, -1, 1, 1, -1, 1, -1,
-1, 1, -1, -1, 1, 1, 1, -1, -1, -1, 1, -1, 1, 1, 1, 1, -1, -1, 1,
-1, 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.phase_bw = phase_bw = 0.1
self.n = n = 4
self.matched_filter = matched_filter = firdes.root_raised_cosine(
nfilts, nfilts, 1, eb, int(11 * sps * nfilts))
self.eq_gain = eq_gain = 0.01
self.arity = arity = 4
##################################################
# Blocks
##################################################
self._usrp_gain_layout = Qt.QVBoxLayout()
self._usrp_gain_tool_bar = Qt.QToolBar(self)
self._usrp_gain_layout.addWidget(self._usrp_gain_tool_bar)
self._usrp_gain_tool_bar.addWidget(Qt.QLabel("USRP Gain" + ": "))
self._usrp_gain_counter = Qwt.QwtCounter()
self._usrp_gain_counter.setRange(0, 100, 1)
self._usrp_gain_counter.setNumButtons(2)
self._usrp_gain_counter.setValue(self.usrp_gain)
self._usrp_gain_tool_bar.addWidget(self._usrp_gain_counter)
self._usrp_gain_counter.valueChanged.connect(self.set_usrp_gain)
self._usrp_gain_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal,
Qwt.QwtSlider.BottomScale,
Qwt.QwtSlider.BgSlot)
self._usrp_gain_slider.setRange(0, 100, 1)
self._usrp_gain_slider.setValue(self.usrp_gain)
self._usrp_gain_slider.setMinimumWidth(200)
self._usrp_gain_slider.valueChanged.connect(self.set_usrp_gain)
self._usrp_gain_layout.addWidget(self._usrp_gain_slider)
self.top_layout.addLayout(self._usrp_gain_layout)
self._timing_loop_bw_layout = Qt.QVBoxLayout()
self._timing_loop_bw_label = Qt.QLabel("Time: BW")
self._timing_loop_bw_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal,
Qwt.QwtSlider.BottomScale,
Qwt.QwtSlider.BgSlot)
self._timing_loop_bw_slider.setRange(0.0, 0.2, 0.005)
self._timing_loop_bw_slider.setValue(self.timing_loop_bw)
self._timing_loop_bw_slider.setMinimumWidth(200)
self._timing_loop_bw_slider.valueChanged.connect(
self.set_timing_loop_bw)
self._timing_loop_bw_label.setAlignment(Qt.Qt.AlignBottom
| Qt.Qt.AlignHCenter)
self._timing_loop_bw_layout.addWidget(self._timing_loop_bw_label)
self._timing_loop_bw_layout.addWidget(self._timing_loop_bw_slider)
self.top_grid_layout.addLayout(self._timing_loop_bw_layout, 0, 0, 1, 1)
self._phase_bw_layout = Qt.QVBoxLayout()
self._phase_bw_label = Qt.QLabel("Phase: Bandwidth")
self._phase_bw_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal,
Qwt.QwtSlider.BottomScale,
Qwt.QwtSlider.BgSlot)
self._phase_bw_slider.setRange(0.0, 1.0, 0.01)
self._phase_bw_slider.setValue(self.phase_bw)
self._phase_bw_slider.setMinimumWidth(200)
self._phase_bw_slider.valueChanged.connect(self.set_phase_bw)
self._phase_bw_label.setAlignment(Qt.Qt.AlignBottom
| Qt.Qt.AlignHCenter)
self._phase_bw_layout.addWidget(self._phase_bw_label)
self._phase_bw_layout.addWidget(self._phase_bw_slider)
self.top_grid_layout.addLayout(self._phase_bw_layout, 0, 2, 1, 1)
self._eq_gain_layout = Qt.QVBoxLayout()
self._eq_gain_label = Qt.QLabel("Equalizer: rate")
self._eq_gain_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal,
Qwt.QwtSlider.BottomScale,
Qwt.QwtSlider.BgSlot)
self._eq_gain_slider.setRange(0.0, 0.1, 0.001)
self._eq_gain_slider.setValue(self.eq_gain)
self._eq_gain_slider.setMinimumWidth(200)
self._eq_gain_slider.valueChanged.connect(self.set_eq_gain)
self._eq_gain_label.setAlignment(Qt.Qt.AlignBottom
| Qt.Qt.AlignHCenter)
self._eq_gain_layout.addWidget(self._eq_gain_label)
self._eq_gain_layout.addWidget(self._eq_gain_slider)
self.top_grid_layout.addLayout(self._eq_gain_layout, 0, 1, 1, 1)
self.uhd_usrp_source_0 = uhd.usrp_source(
device_addr="",
stream_args=uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_source_0.set_samp_rate(samp_rate)
self.uhd_usrp_source_0.set_center_freq(2.4e9, 0)
self.uhd_usrp_source_0.set_gain(usrp_gain, 0)
self.qtgui_sink_x_1 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
True, #plotfreq
True, #plotwaterfall
True, #plottime
True, #plotconst
)
self.qtgui_sink_x_1.set_update_time(1.0 / 10)
self._qtgui_sink_x_1_win = sip.wrapinstance(
self.qtgui_sink_x_1.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_sink_x_1_win)
self.qtgui_sink_x_0 = qtgui.sink_f(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
True, #plotfreq
True, #plotwaterfall
True, #plottime
True, #plotconst
)
self.qtgui_sink_x_0.set_update_time(1.0 / 10)
self._qtgui_sink_x_0_win = sip.wrapinstance(
self.qtgui_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_sink_x_0_win)
self.frame_detection_deinterleaver_bb_0 = frame_detection.deinterleaver_bb(
n, n)
self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(
sps, timing_loop_bw, (rrc_taps), nfilts, nfilts / 2, 1.5, 2)
self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(4)
self.digital_costas_loop_cc_0 = digital.costas_loop_cc(phase_bw, arity)
self.digital_correlate_and_sync_cc_0 = digital.correlate_and_sync_cc(
(preamble), (matched_filter), sps)
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(
qpsk)
self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc(
15, 1, eq_gain, 2)
self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(2)
self.blocks_pack_k_bits_bb_1 = blocks.pack_k_bits_bb(8)
self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_gr_complex * 1)
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char * 1,
"/home/ubuntu/rx_message",
False)
self.blocks_file_sink_0.set_unbuffered(False)
self.blocks_char_to_float_0 = blocks.char_to_float(1, 1)
##################################################
# Connections
##################################################
self.connect((self.blocks_unpack_k_bits_bb_0, 0),
(self.blocks_char_to_float_0, 0))
self.connect((self.blocks_char_to_float_0, 0),
(self.qtgui_sink_x_0, 0))
self.connect((self.digital_correlate_and_sync_cc_0, 1),
(self.blocks_null_sink_0, 0))
self.connect((self.digital_diff_decoder_bb_0, 0),
(self.blocks_unpack_k_bits_bb_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0),
(self.blocks_pack_k_bits_bb_1, 0))
self.connect((self.uhd_usrp_source_0, 0),
(self.digital_correlate_and_sync_cc_0, 0))
self.connect((self.digital_correlate_and_sync_cc_0, 0),
(self.digital_pfb_clock_sync_xxx_0, 0))
self.connect((self.digital_pfb_clock_sync_xxx_0, 0),
(self.digital_cma_equalizer_cc_0, 0))
self.connect((self.digital_cma_equalizer_cc_0, 0),
(self.digital_costas_loop_cc_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0),
(self.digital_constellation_decoder_cb_0, 0))
self.connect((self.digital_constellation_decoder_cb_0, 0),
(self.digital_diff_decoder_bb_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0),
(self.qtgui_sink_x_1, 0))
self.connect((self.blocks_pack_k_bits_bb_1, 0),
(self.frame_detection_deinterleaver_bb_0, 0))
self.connect((self.frame_detection_deinterleaver_bb_0, 0),
(self.blocks_file_sink_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Rx Application")
Qt.QWidget.__init__(self)
self.setWindowTitle("Rx Application")
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", "rx_application")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.sps = sps = 4
self.preamble = preamble = [
1,
-1,
1,
-1,
1,
1,
-1,
-1,
1,
1,
-1,
1,
1,
1,
-1,
1,
1,
-1,
1,
-1,
-1,
1,
-1,
-1,
1,
1,
1,
-1,
-1,
-1,
1,
-1,
1,
1,
1,
1,
-1,
-1,
1,
-1,
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.nfilts = nfilts = 32
self.eb = eb = 0.35
self.usrp_rf_freq = usrp_rf_freq = 2475e6
self.samp_rate = samp_rate = 200000
self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0 / float(sps), eb, 5 * sps * nfilts)
self.preamble_qpsk = preamble_qpsk = map(lambda x: x * (1 + 1j) / pow(2, 0.5), preamble)
self.matched_filter = matched_filter = firdes.root_raised_cosine(nfilts, nfilts, 1, eb, int(11 * sps * nfilts))
self.gain = gain = 29
self.digital_gain = digital_gain = 15
self.addr = addr = "addr=192.168.50.2"
##################################################
# Blocks
##################################################
self._usrp_rf_freq_range = Range(2400e6, 2500e6, 100e3, 2475e6, 200)
self._usrp_rf_freq_win = RangeWidget(
self._usrp_rf_freq_range, self.set_usrp_rf_freq, "Rx Frequency", "counter_slider"
)
self.top_grid_layout.addWidget(self._usrp_rf_freq_win, 3, 0, 1, 2)
self._gain_range = Range(0, 40, 0.5, 29, 200)
self._gain_win = RangeWidget(self._gain_range, self.set_gain, "Rx Gain", "counter_slider")
self.top_grid_layout.addWidget(self._gain_win, 1, 0, 1, 2)
self._digital_gain_range = Range(0, 60, 1, 15, 200)
self._digital_gain_win = RangeWidget(
self._digital_gain_range, self.set_digital_gain, "Digital Gain", "counter_slider"
)
self.top_grid_layout.addWidget(self._digital_gain_win, 2, 0, 1, 2)
self.uhd_usrp_source_0 = uhd.usrp_source(
",".join((addr, "")), uhd.stream_args(cpu_format="fc32", channels=range(1))
)
self.uhd_usrp_source_0.set_samp_rate(samp_rate)
self.uhd_usrp_source_0.set_center_freq(usrp_rf_freq, 0)
self.uhd_usrp_source_0.set_gain(gain, 0)
self.uhd_usrp_source_0.set_antenna("J1", 0)
self.qtgui_number_sink_0 = qtgui.number_sink(gr.sizeof_float, 0, qtgui.NUM_GRAPH_VERT, 1)
self.qtgui_number_sink_0.set_update_time(0.1)
self.qtgui_number_sink_0.set_title("Packet Received")
labels = [" ", "", "", "", "", "", "", "", "", ""]
units = ["packet/sec", "", "", "", "", "", "", "", "", ""]
colors = [
("black", "black"),
("black", "black"),
("black", "black"),
("black", "black"),
("black", "black"),
("black", "black"),
("black", "black"),
("black", "black"),
("black", "black"),
("black", "black"),
]
factor = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
for i in xrange(1):
self.qtgui_number_sink_0.set_min(i, 0)
self.qtgui_number_sink_0.set_max(i, 100)
self.qtgui_number_sink_0.set_color(i, colors[i][0], colors[i][1])
if len(labels[i]) == 0:
self.qtgui_number_sink_0.set_label(i, "Data {0}".format(i))
else:
self.qtgui_number_sink_0.set_label(i, labels[i])
self.qtgui_number_sink_0.set_unit(i, units[i])
self.qtgui_number_sink_0.set_factor(i, factor[i])
self.qtgui_number_sink_0.enable_autoscale(False)
self._qtgui_number_sink_0_win = sip.wrapinstance(self.qtgui_number_sink_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_number_sink_0_win, 0, 1, 1, 1)
self.qtgui_const_sink_x_0_0 = qtgui.const_sink_c(20000, "", 1) # size # name # number of inputs
self.qtgui_const_sink_x_0_0.set_update_time(0.10)
self.qtgui_const_sink_x_0_0.set_y_axis(-2, 2)
self.qtgui_const_sink_x_0_0.set_x_axis(-2, 2)
self.qtgui_const_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "")
self.qtgui_const_sink_x_0_0.enable_autoscale(False)
self.qtgui_const_sink_x_0_0.enable_grid(False)
if not False:
self.qtgui_const_sink_x_0_0.disable_legend()
labels = ["", "", "", "", "", "", "", "", "", ""]
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = ["blue", "red", "red", "red", "red", "red", "red", "red", "red", "red"]
styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
markers = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_const_sink_x_0_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_const_sink_x_0_0.set_line_label(i, labels[i])
self.qtgui_const_sink_x_0_0.set_line_width(i, widths[i])
self.qtgui_const_sink_x_0_0.set_line_color(i, colors[i])
self.qtgui_const_sink_x_0_0.set_line_style(i, styles[i])
self.qtgui_const_sink_x_0_0.set_line_marker(i, markers[i])
self.qtgui_const_sink_x_0_0.set_line_alpha(i, alphas[i])
self._qtgui_const_sink_x_0_0_win = sip.wrapinstance(self.qtgui_const_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_0_win, 0, 0, 1, 1)
self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(
sps, 2 * 3.14 / 100.0, (rrc_taps), nfilts, 0, 0.5, sps / 4
)
self.digital_fll_band_edge_cc_0 = digital.fll_band_edge_cc(sps, eb, 45, 2 * 3.14 / 100.0)
self.digital_costas_loop_cc_0 = digital.costas_loop_cc(1 * 3.14 / 50.0, 4, False)
self.digital_correlate_and_sync_cc_0 = digital.correlate_and_sync_cc((preamble_qpsk), (matched_filter), sps)
self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc(15, 1, 0.01, 1)
self.crew_packet_decoder_cb_0 = crew.packet_decoder_cb((preamble_qpsk))
self.blocks_null_sink_0_0 = blocks.null_sink(gr.sizeof_gr_complex * 1)
self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_char * 1)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((digital_gain,))
##################################################
# Connections
##################################################
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.digital_fll_band_edge_cc_0, 0))
self.connect((self.crew_packet_decoder_cb_0, 0), (self.blocks_null_sink_0, 0))
self.connect((self.crew_packet_decoder_cb_0, 1), (self.qtgui_number_sink_0, 0))
self.connect((self.digital_cma_equalizer_cc_0, 0), (self.digital_costas_loop_cc_0, 0))
self.connect((self.digital_correlate_and_sync_cc_0, 1), (self.blocks_null_sink_0_0, 0))
self.connect((self.digital_correlate_and_sync_cc_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0), (self.crew_packet_decoder_cb_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0), (self.qtgui_const_sink_x_0_0, 0))
self.connect((self.digital_fll_band_edge_cc_0, 0), (self.digital_correlate_and_sync_cc_0, 0))
self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_cma_equalizer_cc_0, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.blocks_multiply_const_vxx_0, 0))
def __init__(self):
gr.top_block.__init__(self, "MPSK Receiver")
Qt.QWidget.__init__(self)
self.setWindowTitle("MPSK Receiver")
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "mpsk_rx")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.sps = sps = 4
self.nfilts = nfilts = 32
self.eb = eb = 0.35
self.usrp_gain = usrp_gain = 40
self.timing_loop_bw = timing_loop_bw = 0.01
self.samp_rate = samp_rate = 1e6
self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), 0.35, 11*sps*nfilts)
self.qpsk = qpsk = digital.constellation_rect(([0.707+0.707j, -0.707+0.707j, -0.707-0.707j, 0.707-0.707j]), ([0, 1, 2, 3]), 4, 2, 2, 1, 1).base()
self.preamble = preamble = [1,-1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,-1,1,1,-1,1,-1,-1,1,-1,-1,1,1,1,-1,-1,-1,1,-1,1,1,1,1,-1,-1,1,-1,1,-1,-1,-1,1,1,-1,-1,-1,-1,1,-1,-1,-1,-1,-1,1,1,1,1,1,1,-1,-1]
self.phase_bw = phase_bw = 0.1
self.n = n = 4
self.matched_filter = matched_filter = firdes.root_raised_cosine(nfilts, nfilts, 1, eb, int(11*sps*nfilts))
self.eq_gain = eq_gain = 0.01
self.arity = arity = 4
##################################################
# Blocks
##################################################
self._usrp_gain_layout = Qt.QVBoxLayout()
self._usrp_gain_tool_bar = Qt.QToolBar(self)
self._usrp_gain_layout.addWidget(self._usrp_gain_tool_bar)
self._usrp_gain_tool_bar.addWidget(Qt.QLabel("USRP Gain"+": "))
self._usrp_gain_counter = Qwt.QwtCounter()
self._usrp_gain_counter.setRange(0, 100, 1)
self._usrp_gain_counter.setNumButtons(2)
self._usrp_gain_counter.setValue(self.usrp_gain)
self._usrp_gain_tool_bar.addWidget(self._usrp_gain_counter)
self._usrp_gain_counter.valueChanged.connect(self.set_usrp_gain)
self._usrp_gain_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._usrp_gain_slider.setRange(0, 100, 1)
self._usrp_gain_slider.setValue(self.usrp_gain)
self._usrp_gain_slider.setMinimumWidth(200)
self._usrp_gain_slider.valueChanged.connect(self.set_usrp_gain)
self._usrp_gain_layout.addWidget(self._usrp_gain_slider)
self.top_layout.addLayout(self._usrp_gain_layout)
self._timing_loop_bw_layout = Qt.QVBoxLayout()
self._timing_loop_bw_label = Qt.QLabel("Time: BW")
self._timing_loop_bw_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._timing_loop_bw_slider.setRange(0.0, 0.2, 0.005)
self._timing_loop_bw_slider.setValue(self.timing_loop_bw)
self._timing_loop_bw_slider.setMinimumWidth(200)
self._timing_loop_bw_slider.valueChanged.connect(self.set_timing_loop_bw)
self._timing_loop_bw_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
self._timing_loop_bw_layout.addWidget(self._timing_loop_bw_label)
self._timing_loop_bw_layout.addWidget(self._timing_loop_bw_slider)
self.top_grid_layout.addLayout(self._timing_loop_bw_layout, 0,0,1,1)
self._phase_bw_layout = Qt.QVBoxLayout()
self._phase_bw_label = Qt.QLabel("Phase: Bandwidth")
self._phase_bw_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._phase_bw_slider.setRange(0.0, 1.0, 0.01)
self._phase_bw_slider.setValue(self.phase_bw)
self._phase_bw_slider.setMinimumWidth(200)
self._phase_bw_slider.valueChanged.connect(self.set_phase_bw)
self._phase_bw_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
self._phase_bw_layout.addWidget(self._phase_bw_label)
self._phase_bw_layout.addWidget(self._phase_bw_slider)
self.top_grid_layout.addLayout(self._phase_bw_layout, 0,2,1,1)
self._eq_gain_layout = Qt.QVBoxLayout()
self._eq_gain_label = Qt.QLabel("Equalizer: rate")
self._eq_gain_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._eq_gain_slider.setRange(0.0, 0.1, 0.001)
self._eq_gain_slider.setValue(self.eq_gain)
self._eq_gain_slider.setMinimumWidth(200)
self._eq_gain_slider.valueChanged.connect(self.set_eq_gain)
self._eq_gain_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
self._eq_gain_layout.addWidget(self._eq_gain_label)
self._eq_gain_layout.addWidget(self._eq_gain_slider)
self.top_grid_layout.addLayout(self._eq_gain_layout, 0,1,1,1)
self.uhd_usrp_source_0 = uhd.usrp_source(
device_addr="",
stream_args=uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_source_0.set_samp_rate(samp_rate)
self.uhd_usrp_source_0.set_center_freq(2.4e9, 0)
self.uhd_usrp_source_0.set_gain(usrp_gain, 0)
self.qtgui_sink_x_1 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
True, #plotfreq
True, #plotwaterfall
True, #plottime
True, #plotconst
)
self.qtgui_sink_x_1.set_update_time(1.0/10)
self._qtgui_sink_x_1_win = sip.wrapinstance(self.qtgui_sink_x_1.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_sink_x_1_win)
self.qtgui_sink_x_0 = qtgui.sink_f(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
True, #plotfreq
True, #plotwaterfall
True, #plottime
True, #plotconst
)
self.qtgui_sink_x_0.set_update_time(1.0/10)
self._qtgui_sink_x_0_win = sip.wrapinstance(self.qtgui_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_sink_x_0_win)
self.frame_detection_deinterleaver_bb_0 = frame_detection.deinterleaver_bb(n, n)
self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps, timing_loop_bw, (rrc_taps), nfilts, nfilts/2, 1.5, 2)
self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(4)
self.digital_costas_loop_cc_0 = digital.costas_loop_cc(phase_bw, arity)
self.digital_correlate_and_sync_cc_0 = digital.correlate_and_sync_cc((preamble), (matched_filter), sps)
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(qpsk)
self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc(15, 1, eq_gain, 2)
self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(2)
self.blocks_pack_k_bits_bb_1 = blocks.pack_k_bits_bb(8)
self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_gr_complex*1)
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char*1, "/home/ubuntu/rx_message", False)
self.blocks_file_sink_0.set_unbuffered(False)
self.blocks_char_to_float_0 = blocks.char_to_float(1, 1)
##################################################
# Connections
##################################################
self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_char_to_float_0, 0))
self.connect((self.blocks_char_to_float_0, 0), (self.qtgui_sink_x_0, 0))
self.connect((self.digital_correlate_and_sync_cc_0, 1), (self.blocks_null_sink_0, 0))
self.connect((self.digital_diff_decoder_bb_0, 0), (self.blocks_unpack_k_bits_bb_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_pack_k_bits_bb_1, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.digital_correlate_and_sync_cc_0, 0))
self.connect((self.digital_correlate_and_sync_cc_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0))
self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_cma_equalizer_cc_0, 0))
self.connect((self.digital_cma_equalizer_cc_0, 0), (self.digital_costas_loop_cc_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0), (self.digital_constellation_decoder_cb_0, 0))
self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_diff_decoder_bb_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0), (self.qtgui_sink_x_1, 0))
self.connect((self.blocks_pack_k_bits_bb_1, 0), (self.frame_detection_deinterleaver_bb_0, 0))
self.connect((self.frame_detection_deinterleaver_bb_0, 0), (self.blocks_file_sink_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Rx Application")
Qt.QWidget.__init__(self)
self.setWindowTitle("Rx Application")
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", "rx_application")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.sps = sps = 4
self.preamble = preamble = [1,-1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,-1,1,1,-1,1,-1,-1,1,-1,-1,1,1,1,-1,-1,-1,1,-1,1,1,1,1,-1,-1,1,-1,1,-1,-1,-1,1,1,-1,-1,-1,-1,1,-1,-1,-1,-1,-1,1,1,1,1,1,1,-1,-1]
self.nfilts = nfilts = 32
self.eb = eb = 0.35
self.usrp_rf_freq = usrp_rf_freq = 2475e6
self.samp_rate = samp_rate = 200000
self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), eb, 5*sps*nfilts)
self.preamble_qpsk = preamble_qpsk = map(lambda x: x*(1+1j)/pow(2,0.5), preamble)
self.matched_filter = matched_filter = firdes.root_raised_cosine(nfilts, nfilts, 1, eb, int(11*sps*nfilts))
self.gain = gain = 29
self.digital_gain = digital_gain = 15
self.addr = addr = "addr=192.168.50.2"
##################################################
# Blocks
##################################################
self._usrp_rf_freq_range = Range(2400e6, 2500e6, 100e3, 2475e6, 200)
self._usrp_rf_freq_win = RangeWidget(self._usrp_rf_freq_range, self.set_usrp_rf_freq, "Rx Frequency", "counter_slider")
self.top_grid_layout.addWidget(self._usrp_rf_freq_win, 3,0,1,2)
self._gain_range = Range(0, 40, 0.5, 29, 200)
self._gain_win = RangeWidget(self._gain_range, self.set_gain, "Rx Gain", "counter_slider")
self.top_grid_layout.addWidget(self._gain_win, 1,0,1,2)
self._digital_gain_range = Range(0, 60, 1, 15, 200)
self._digital_gain_win = RangeWidget(self._digital_gain_range, self.set_digital_gain, "Digital Gain", "counter_slider")
self.top_grid_layout.addWidget(self._digital_gain_win, 2,0,1,2)
self.uhd_usrp_source_0 = uhd.usrp_source(
",".join((addr, "")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_source_0.set_samp_rate(samp_rate)
self.uhd_usrp_source_0.set_center_freq(usrp_rf_freq, 0)
self.uhd_usrp_source_0.set_gain(gain, 0)
self.uhd_usrp_source_0.set_antenna("J1", 0)
self.qtgui_number_sink_0 = qtgui.number_sink(
gr.sizeof_float,
0,
qtgui.NUM_GRAPH_VERT,
1
)
self.qtgui_number_sink_0.set_update_time(0.1)
self.qtgui_number_sink_0.set_title("Packet Received")
labels = [" ", "", "", "", "",
"", "", "", "", ""]
units = ["packet/sec", "", "", "", "",
"", "", "", "", ""]
colors = [("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black")]
factor = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
for i in xrange(1):
self.qtgui_number_sink_0.set_min(i, 0)
self.qtgui_number_sink_0.set_max(i, 100)
self.qtgui_number_sink_0.set_color(i, colors[i][0], colors[i][1])
if len(labels[i]) == 0:
self.qtgui_number_sink_0.set_label(i, "Data {0}".format(i))
else:
self.qtgui_number_sink_0.set_label(i, labels[i])
self.qtgui_number_sink_0.set_unit(i, units[i])
self.qtgui_number_sink_0.set_factor(i, factor[i])
self.qtgui_number_sink_0.enable_autoscale(False)
self._qtgui_number_sink_0_win = sip.wrapinstance(self.qtgui_number_sink_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_number_sink_0_win, 0,1,1,1)
self.qtgui_const_sink_x_0_0 = qtgui.const_sink_c(
20000, #size
"", #name
1 #number of inputs
)
self.qtgui_const_sink_x_0_0.set_update_time(0.10)
self.qtgui_const_sink_x_0_0.set_y_axis(-2, 2)
self.qtgui_const_sink_x_0_0.set_x_axis(-2, 2)
self.qtgui_const_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "")
self.qtgui_const_sink_x_0_0.enable_autoscale(False)
self.qtgui_const_sink_x_0_0.enable_grid(False)
if not False:
self.qtgui_const_sink_x_0_0.disable_legend()
labels = ["", "", "", "", "",
"", "", "", "", ""]
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ["blue", "red", "red", "red", "red",
"red", "red", "red", "red", "red"]
styles = [0, 0, 0, 0, 0,
0, 0, 0, 0, 0]
markers = [0, 0, 0, 0, 0,
0, 0, 0, 0, 0]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_const_sink_x_0_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_const_sink_x_0_0.set_line_label(i, labels[i])
self.qtgui_const_sink_x_0_0.set_line_width(i, widths[i])
self.qtgui_const_sink_x_0_0.set_line_color(i, colors[i])
self.qtgui_const_sink_x_0_0.set_line_style(i, styles[i])
self.qtgui_const_sink_x_0_0.set_line_marker(i, markers[i])
self.qtgui_const_sink_x_0_0.set_line_alpha(i, alphas[i])
self._qtgui_const_sink_x_0_0_win = sip.wrapinstance(self.qtgui_const_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_0_win, 0,0,1,1)
self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps, 2*3.14/100.0, (rrc_taps), nfilts, 0, 0.5, sps/4)
self.digital_fll_band_edge_cc_0 = digital.fll_band_edge_cc(sps, eb, 45, 2*3.14/100.0)
self.digital_costas_loop_cc_0 = digital.costas_loop_cc(1*3.14/50.0, 4, False)
self.digital_correlate_and_sync_cc_0 = digital.correlate_and_sync_cc((preamble_qpsk), (matched_filter), sps)
self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc(15, 1, 0.01, 1)
self.crew_packet_decoder_cb_0 = crew.packet_decoder_cb((preamble_qpsk))
self.blocks_null_sink_0_0 = blocks.null_sink(gr.sizeof_gr_complex*1)
self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_char*1)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((digital_gain, ))
##################################################
# Connections
##################################################
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.digital_fll_band_edge_cc_0, 0))
self.connect((self.crew_packet_decoder_cb_0, 0), (self.blocks_null_sink_0, 0))
self.connect((self.crew_packet_decoder_cb_0, 1), (self.qtgui_number_sink_0, 0))
self.connect((self.digital_cma_equalizer_cc_0, 0), (self.digital_costas_loop_cc_0, 0))
self.connect((self.digital_correlate_and_sync_cc_0, 1), (self.blocks_null_sink_0_0, 0))
self.connect((self.digital_correlate_and_sync_cc_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0), (self.crew_packet_decoder_cb_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0), (self.qtgui_const_sink_x_0_0, 0))
self.connect((self.digital_fll_band_edge_cc_0, 0), (self.digital_correlate_and_sync_cc_0, 0))
self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_cma_equalizer_cc_0, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.blocks_multiply_const_vxx_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Simulation for SDR TCC")
Qt.QWidget.__init__(self)
self.setWindowTitle("Simulation for SDR TCC")
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", "sdrSim2")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.sps = sps = 4
self.nfilts = nfilts = 32
self.eb = eb = 0.35
self.timing_loop_bw = timing_loop_bw = 0.005
self.time_offset = time_offset = 1.00
self.taps = taps = [1.0, 0.25 - 0.25j, 0.50 + 0.10j, -0.3 + 0.2j]
self.samp_rate = samp_rate = 32000
self.rrc_taps = rrc_taps = firdes.root_raised_cosine(
nfilts, nfilts, 1.0 / float(sps), 0.35, 11 * sps * nfilts)
self.qpsk = qpsk = digital.constellation_rect(([
0.707 + 0.707j, -0.707 + 0.707j, -0.707 - 0.707j, 0.707 - 0.707j
]), ([0, 1, 2, 3]), 4, 2, 2, 1, 1).base()
self.preamble = preamble = [
1, -1, 1, -1, 1, 1, -1, -1, 1, 1, -1, 1, 1, 1, -1, 1, 1, -1, 1, -1,
-1, 1, -1, -1, 1, 1, 1, -1, -1, -1, 1, -1, 1, 1, 1, 1, -1, -1, 1,
-1, 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.phase_bw = phase_bw = 6.28 / 100.0
self.payload_size = payload_size = 992
self.noise_volt = noise_volt = 0.0001
self.matched_filter = matched_filter = firdes.root_raised_cosine(
nfilts, nfilts, 1, eb, int(11 * sps * nfilts))
self.freq_offset = freq_offset = 0
self.freq_bw = freq_bw = 6.28 / 100.0
self.excess_bw = excess_bw = 0.35
self.eq_gain = eq_gain = 0.01
self.delay = delay = 0
self.arity = arity = 4
##################################################
# Blocks
##################################################
self.controls = Qt.QTabWidget()
self.controls_widget_0 = Qt.QWidget()
self.controls_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.controls_widget_0)
self.controls_grid_layout_0 = Qt.QGridLayout()
self.controls_layout_0.addLayout(self.controls_grid_layout_0)
self.controls.addTab(self.controls_widget_0, "Channel")
self.controls_widget_1 = Qt.QWidget()
self.controls_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.controls_widget_1)
self.controls_grid_layout_1 = Qt.QGridLayout()
self.controls_layout_1.addLayout(self.controls_grid_layout_1)
self.controls.addTab(self.controls_widget_1, "Receiver")
self.top_grid_layout.addWidget(self.controls, 0, 0, 1, 2)
self._timing_loop_bw_layout = Qt.QVBoxLayout()
self._timing_loop_bw_label = Qt.QLabel("Time: BW")
self._timing_loop_bw_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal,
Qwt.QwtSlider.BottomScale,
Qwt.QwtSlider.BgSlot)
self._timing_loop_bw_slider.setRange(0.0, 0.2, 0.005)
self._timing_loop_bw_slider.setValue(self.timing_loop_bw)
self._timing_loop_bw_slider.setMinimumWidth(200)
self._timing_loop_bw_slider.valueChanged.connect(
self.set_timing_loop_bw)
self._timing_loop_bw_label.setAlignment(Qt.Qt.AlignBottom
| Qt.Qt.AlignHCenter)
self._timing_loop_bw_layout.addWidget(self._timing_loop_bw_label)
self._timing_loop_bw_layout.addWidget(self._timing_loop_bw_slider)
self.controls_grid_layout_1.addLayout(self._timing_loop_bw_layout, 0,
0, 1, 1)
self._time_offset_layout = Qt.QVBoxLayout()
self._time_offset_tool_bar = Qt.QToolBar(self)
self._time_offset_layout.addWidget(self._time_offset_tool_bar)
self._time_offset_tool_bar.addWidget(Qt.QLabel("Timing Offset" + ": "))
class qwt_counter_pyslot(Qwt.QwtCounter):
def __init__(self, parent=None):
Qwt.QwtCounter.__init__(self, parent)
@pyqtSlot('double')
def setValue(self, value):
super(Qwt.QwtCounter, self).setValue(value)
self._time_offset_counter = qwt_counter_pyslot()
self._time_offset_counter.setRange(0.999, 1.001, 0.0001)
self._time_offset_counter.setNumButtons(2)
self._time_offset_counter.setValue(self.time_offset)
self._time_offset_tool_bar.addWidget(self._time_offset_counter)
self._time_offset_counter.valueChanged.connect(self.set_time_offset)
self._time_offset_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal,
Qwt.QwtSlider.BottomScale,
Qwt.QwtSlider.BgSlot)
self._time_offset_slider.setRange(0.999, 1.001, 0.0001)
self._time_offset_slider.setValue(self.time_offset)
self._time_offset_slider.setMinimumWidth(200)
self._time_offset_slider.valueChanged.connect(self.set_time_offset)
self._time_offset_layout.addWidget(self._time_offset_slider)
self.controls_grid_layout_0.addLayout(self._time_offset_layout, 0, 2,
1, 1)
self.received = Qt.QTabWidget()
self.received_widget_0 = Qt.QWidget()
self.received_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.received_widget_0)
self.received_grid_layout_0 = Qt.QGridLayout()
self.received_layout_0.addLayout(self.received_grid_layout_0)
self.received.addTab(self.received_widget_0, "Constellation")
self.received_widget_1 = Qt.QWidget()
self.received_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.received_widget_1)
self.received_grid_layout_1 = Qt.QGridLayout()
self.received_layout_1.addLayout(self.received_grid_layout_1)
self.received.addTab(self.received_widget_1, "Symbols")
self.top_grid_layout.addWidget(self.received, 2, 0, 1, 1)
self._phase_bw_layout = Qt.QVBoxLayout()
self._phase_bw_label = Qt.QLabel("Phase: Bandwidth")
self._phase_bw_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal,
Qwt.QwtSlider.BottomScale,
Qwt.QwtSlider.BgSlot)
self._phase_bw_slider.setRange(0.0, 1.0, 0.01)
self._phase_bw_slider.setValue(self.phase_bw)
self._phase_bw_slider.setMinimumWidth(200)
self._phase_bw_slider.valueChanged.connect(self.set_phase_bw)
self._phase_bw_label.setAlignment(Qt.Qt.AlignBottom
| Qt.Qt.AlignHCenter)
self._phase_bw_layout.addWidget(self._phase_bw_label)
self._phase_bw_layout.addWidget(self._phase_bw_slider)
self.controls_grid_layout_1.addLayout(self._phase_bw_layout, 0, 2, 1,
1)
self._noise_volt_layout = Qt.QVBoxLayout()
self._noise_volt_tool_bar = Qt.QToolBar(self)
self._noise_volt_layout.addWidget(self._noise_volt_tool_bar)
self._noise_volt_tool_bar.addWidget(Qt.QLabel("Noise Voltage" + ": "))
class qwt_counter_pyslot(Qwt.QwtCounter):
def __init__(self, parent=None):
Qwt.QwtCounter.__init__(self, parent)
@pyqtSlot('double')
def setValue(self, value):
super(Qwt.QwtCounter, self).setValue(value)
self._noise_volt_counter = qwt_counter_pyslot()
self._noise_volt_counter.setRange(0, 1, 0.01)
self._noise_volt_counter.setNumButtons(2)
self._noise_volt_counter.setValue(self.noise_volt)
self._noise_volt_tool_bar.addWidget(self._noise_volt_counter)
self._noise_volt_counter.valueChanged.connect(self.set_noise_volt)
self._noise_volt_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal,
Qwt.QwtSlider.BottomScale,
Qwt.QwtSlider.BgSlot)
self._noise_volt_slider.setRange(0, 1, 0.01)
self._noise_volt_slider.setValue(self.noise_volt)
self._noise_volt_slider.setMinimumWidth(200)
self._noise_volt_slider.valueChanged.connect(self.set_noise_volt)
self._noise_volt_layout.addWidget(self._noise_volt_slider)
self.controls_grid_layout_0.addLayout(self._noise_volt_layout, 0, 0, 1,
1)
self._freq_offset_layout = Qt.QVBoxLayout()
self._freq_offset_tool_bar = Qt.QToolBar(self)
self._freq_offset_layout.addWidget(self._freq_offset_tool_bar)
self._freq_offset_tool_bar.addWidget(
Qt.QLabel("Frequency Offset" + ": "))
class qwt_counter_pyslot(Qwt.QwtCounter):
def __init__(self, parent=None):
Qwt.QwtCounter.__init__(self, parent)
@pyqtSlot('double')
def setValue(self, value):
super(Qwt.QwtCounter, self).setValue(value)
self._freq_offset_counter = qwt_counter_pyslot()
self._freq_offset_counter.setRange(-0.1, 0.1, 0.001)
self._freq_offset_counter.setNumButtons(2)
self._freq_offset_counter.setValue(self.freq_offset)
self._freq_offset_tool_bar.addWidget(self._freq_offset_counter)
self._freq_offset_counter.valueChanged.connect(self.set_freq_offset)
self._freq_offset_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal,
Qwt.QwtSlider.BottomScale,
Qwt.QwtSlider.BgSlot)
self._freq_offset_slider.setRange(-0.1, 0.1, 0.001)
self._freq_offset_slider.setValue(self.freq_offset)
self._freq_offset_slider.setMinimumWidth(200)
self._freq_offset_slider.valueChanged.connect(self.set_freq_offset)
self._freq_offset_layout.addWidget(self._freq_offset_slider)
self.controls_grid_layout_0.addLayout(self._freq_offset_layout, 0, 1,
1, 1)
self._eq_gain_layout = Qt.QVBoxLayout()
self._eq_gain_label = Qt.QLabel("Equalizer: rate")
self._eq_gain_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal,
Qwt.QwtSlider.BottomScale,
Qwt.QwtSlider.BgSlot)
self._eq_gain_slider.setRange(0.0, 0.1, 0.001)
self._eq_gain_slider.setValue(self.eq_gain)
self._eq_gain_slider.setMinimumWidth(200)
self._eq_gain_slider.valueChanged.connect(self.set_eq_gain)
self._eq_gain_label.setAlignment(Qt.Qt.AlignBottom
| Qt.Qt.AlignHCenter)
self._eq_gain_layout.addWidget(self._eq_gain_label)
self._eq_gain_layout.addWidget(self._eq_gain_slider)
self.controls_grid_layout_1.addLayout(self._eq_gain_layout, 0, 1, 1, 1)
self._delay_layout = Qt.QVBoxLayout()
self._delay_tool_bar = Qt.QToolBar(self)
self._delay_layout.addWidget(self._delay_tool_bar)
self._delay_tool_bar.addWidget(Qt.QLabel("Delay" + ": "))
class qwt_counter_pyslot(Qwt.QwtCounter):
def __init__(self, parent=None):
Qwt.QwtCounter.__init__(self, parent)
@pyqtSlot('double')
def setValue(self, value):
super(Qwt.QwtCounter, self).setValue(value)
self._delay_counter = qwt_counter_pyslot()
self._delay_counter.setRange(0, 200, 1)
self._delay_counter.setNumButtons(2)
self._delay_counter.setValue(self.delay)
self._delay_tool_bar.addWidget(self._delay_counter)
self._delay_counter.valueChanged.connect(self.set_delay)
self._delay_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal,
Qwt.QwtSlider.BottomScale,
Qwt.QwtSlider.BgSlot)
self._delay_slider.setRange(0, 200, 1)
self._delay_slider.setValue(self.delay)
self._delay_slider.setMinimumWidth(200)
self._delay_slider.valueChanged.connect(self.set_delay)
self._delay_layout.addWidget(self._delay_slider)
self.top_grid_layout.addLayout(self._delay_layout, 1, 0, 1, 1)
self.tutorial_my_qpsk_demod_cb_1 = tutorial.my_qpsk_demod_cb(True)
self.qtgui_time_sink_x_0_0 = qtgui.time_sink_f(
500, #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(-1, 2)
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(False)
labels = ["", "", "", "", "", "", "", "", "", ""]
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "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_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_0_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_0_win = sip.wrapinstance(
self.qtgui_time_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_0_win, 2, 1,
1, 1)
self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
500, #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, 4)
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)
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.received_grid_layout_1.addWidget(self._qtgui_time_sink_x_0_win, 0,
0, 1, 1)
self.qtgui_const_sink_x_0 = qtgui.const_sink_c(
1024, #size
"", #name
1 #number of inputs
)
self.qtgui_const_sink_x_0.set_update_time(0.10)
self.qtgui_const_sink_x_0.set_y_axis(-2, 2)
self.qtgui_const_sink_x_0.set_x_axis(-2, 2)
self.qtgui_const_sink_x_0.enable_autoscale(False)
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.received_grid_layout_0.addWidget(self._qtgui_const_sink_x_0_win,
0, 0, 1, 1)
self._freq_bw_layout = Qt.QVBoxLayout()
self._freq_bw_label = Qt.QLabel("Frequency Bandwidth")
self._freq_bw_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal,
Qwt.QwtSlider.BottomScale,
Qwt.QwtSlider.BgSlot)
self._freq_bw_slider.setRange(0.0, 1.0, 0.01)
self._freq_bw_slider.setValue(self.freq_bw)
self._freq_bw_slider.setMinimumWidth(200)
self._freq_bw_slider.valueChanged.connect(self.set_freq_bw)
self._freq_bw_label.setAlignment(Qt.Qt.AlignBottom
| Qt.Qt.AlignHCenter)
self._freq_bw_layout.addWidget(self._freq_bw_label)
self._freq_bw_layout.addWidget(self._freq_bw_slider)
self.controls_grid_layout_1.addLayout(self._freq_bw_layout, 0, 3, 1, 1)
self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(
sps, timing_loop_bw, (rrc_taps), nfilts, nfilts / 2, 1.5, 2)
self.digital_map_bb_0 = digital.map_bb(([0, 1, 3, 2]))
self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(4)
self.digital_costas_loop_cc_0 = digital.costas_loop_cc(phase_bw, arity)
self.digital_correlate_and_sync_cc_0 = digital.correlate_and_sync_cc(
(preamble), (matched_filter), sps)
self.digital_constellation_modulator_0 = digital.generic_mod(
constellation=qpsk,
differential=True,
samples_per_symbol=sps,
pre_diff_code=True,
excess_bw=excess_bw,
verbose=False,
log=False,
)
self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc(
15, 1, eq_gain, 2)
self.channels_channel_model_0 = channels.channel_model(
noise_voltage=noise_volt,
frequency_offset=freq_offset,
epsilon=time_offset,
taps=(taps),
noise_seed=0,
block_tags=False)
self.blocks_vector_source_x_0_0 = blocks.vector_source_b(
map(lambda x: (-x + 1) / 2, preamble), True, 1, [])
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(2)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
samp_rate, True)
self.blocks_stream_mux_0_0_0 = blocks.stream_mux(
gr.sizeof_char * 1, (len(preamble) / 8, payload_size))
self.blocks_pack_k_bits_bb_1 = 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_gr_complex * 1)
self.blocks_file_source_0 = blocks.file_source(
gr.sizeof_char * 1, "/home/franchz/tcc/gnuradio/tx_teste.txt",
True)
self.blocks_file_sink_0 = blocks.file_sink(
gr.sizeof_char * 1, "/home/franchz/tcc/gnuradio/rx_teste.txt",
False)
self.blocks_file_sink_0.set_unbuffered(False)
self.blocks_delay_0 = blocks.delay(gr.sizeof_float * 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_throttle_0, 0),
(self.channels_channel_model_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0),
(self.qtgui_const_sink_x_0, 0))
self.connect((self.blocks_char_to_float_0, 0),
(self.qtgui_time_sink_x_0, 0))
self.connect((self.digital_cma_equalizer_cc_0, 0),
(self.digital_costas_loop_cc_0, 0))
self.connect((self.digital_pfb_clock_sync_xxx_0, 0),
(self.digital_cma_equalizer_cc_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0_0, 0),
(self.blocks_char_to_float_0_0_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0),
(self.blocks_char_to_float_0_0, 0))
self.connect((self.blocks_vector_source_x_0_0, 0),
(self.blocks_pack_k_bits_bb_0, 0))
self.connect((self.blocks_pack_k_bits_bb_0, 0),
(self.blocks_stream_mux_0_0_0, 0))
self.connect((self.channels_channel_model_0, 0),
(self.digital_correlate_and_sync_cc_0, 0))
self.connect((self.digital_correlate_and_sync_cc_0, 0),
(self.digital_pfb_clock_sync_xxx_0, 0))
self.connect((self.digital_correlate_and_sync_cc_0, 1),
(self.blocks_null_sink_0, 0))
self.connect((self.blocks_file_source_0, 0),
(self.blocks_stream_mux_0_0_0, 1))
self.connect((self.blocks_file_source_0, 0),
(self.blocks_unpack_k_bits_bb_0_0, 0))
self.connect((self.blocks_char_to_float_0_0, 0),
(self.qtgui_time_sink_x_0_0, 1))
self.connect((self.blocks_char_to_float_0_0_0, 0),
(self.blocks_delay_0, 0))
self.connect((self.blocks_delay_0, 0), (self.qtgui_time_sink_x_0_0, 0))
self.connect((self.blocks_pack_k_bits_bb_1, 0),
(self.blocks_file_sink_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0),
(self.blocks_pack_k_bits_bb_1, 0))
self.connect((self.blocks_stream_mux_0_0_0, 0),
(self.digital_constellation_modulator_0, 0))
self.connect((self.digital_constellation_modulator_0, 0),
(self.blocks_throttle_0, 0))
self.connect((self.tutorial_my_qpsk_demod_cb_1, 0),
(self.digital_map_bb_0, 0))
self.connect((self.digital_map_bb_0, 0),
(self.digital_diff_decoder_bb_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0),
(self.tutorial_my_qpsk_demod_cb_1, 0))
self.connect((self.digital_diff_decoder_bb_0, 0),
(self.blocks_char_to_float_0, 0))
self.connect((self.digital_diff_decoder_bb_0, 0),
(self.blocks_unpack_k_bits_bb_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Mpsk Sim")
Qt.QWidget.__init__(self)
self.setWindowTitle("Mpsk Sim")
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "mpsk_sim")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.n = n = 4
self.sps = sps = 4
self.nfilts = nfilts = 32
self.m = m = n
self.eb = eb = 0.35
self.timing_loop_bw = timing_loop_bw = 0.01
self.time_offset = time_offset = 1.00
self.taps = taps = [1.0, 0.25-0.25j, 0.50 + 0.10j, -0.3 + 0.2j]
self.samp_rate = samp_rate = 32000
self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), 0.35, 11*sps*nfilts)
self.qpsk = qpsk = digital.constellation_rect(([0.707+0.707j, -0.707+0.707j, -0.707-0.707j, 0.707-0.707j]), ([0, 1, 2, 3]), 4, 2, 2, 1, 1).base()
self.preamble = preamble = [1,-1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,-1,1,1,-1,1,-1,-1,1,-1,-1,1,1,1,-1,-1,-1,1,-1,1,1,1,1,-1,-1,1,-1,1,-1,-1,-1,1,1,-1,-1,-1,-1,1,-1,-1,-1,-1,-1,1,1,1,1,1,1,-1,-1]
self.phase_bw = phase_bw = 0.1
self.payload_size = payload_size = 100*n*m
self.packed_preamble = packed_preamble = [83, 34, 91, 29, 13, 115, 223, 3]
self.noise_volt = noise_volt = 0
self.matched_filter = matched_filter = firdes.root_raised_cosine(nfilts, nfilts, 1, eb, int(11*sps*nfilts))
self.freq_offset = freq_offset = 0
self.excess_bw = excess_bw = 0.35
self.eq_gain = eq_gain = 0.01
self.arity = arity = 4
##################################################
# Blocks
##################################################
self.controls = Qt.QTabWidget()
self.controls_widget_0 = Qt.QWidget()
self.controls_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.controls_widget_0)
self.controls_grid_layout_0 = Qt.QGridLayout()
self.controls_layout_0.addLayout(self.controls_grid_layout_0)
self.controls.addTab(self.controls_widget_0, "Transmitter")
self.controls_widget_1 = Qt.QWidget()
self.controls_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.controls_widget_1)
self.controls_grid_layout_1 = Qt.QGridLayout()
self.controls_layout_1.addLayout(self.controls_grid_layout_1)
self.controls.addTab(self.controls_widget_1, "Receiver")
self.top_grid_layout.addWidget(self.controls, 0,0,1,2)
self._timing_loop_bw_layout = Qt.QVBoxLayout()
self._timing_loop_bw_label = Qt.QLabel("Time: BW")
self._timing_loop_bw_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._timing_loop_bw_slider.setRange(0.0, 0.2, 0.005)
self._timing_loop_bw_slider.setValue(self.timing_loop_bw)
self._timing_loop_bw_slider.setMinimumWidth(200)
self._timing_loop_bw_slider.valueChanged.connect(self.set_timing_loop_bw)
self._timing_loop_bw_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
self._timing_loop_bw_layout.addWidget(self._timing_loop_bw_label)
self._timing_loop_bw_layout.addWidget(self._timing_loop_bw_slider)
self.controls_grid_layout_1.addLayout(self._timing_loop_bw_layout, 0,0,1,1)
self._time_offset_layout = Qt.QVBoxLayout()
self._time_offset_tool_bar = Qt.QToolBar(self)
self._time_offset_layout.addWidget(self._time_offset_tool_bar)
self._time_offset_tool_bar.addWidget(Qt.QLabel("Timing Offset"+": "))
self._time_offset_counter = Qwt.QwtCounter()
self._time_offset_counter.setRange(0.999, 1.001, 0.0001)
self._time_offset_counter.setNumButtons(2)
self._time_offset_counter.setValue(self.time_offset)
self._time_offset_tool_bar.addWidget(self._time_offset_counter)
self._time_offset_counter.valueChanged.connect(self.set_time_offset)
self._time_offset_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._time_offset_slider.setRange(0.999, 1.001, 0.0001)
self._time_offset_slider.setValue(self.time_offset)
self._time_offset_slider.setMinimumWidth(200)
self._time_offset_slider.valueChanged.connect(self.set_time_offset)
self._time_offset_layout.addWidget(self._time_offset_slider)
self.controls_grid_layout_0.addLayout(self._time_offset_layout, 0,2,1,1)
self._phase_bw_layout = Qt.QVBoxLayout()
self._phase_bw_label = Qt.QLabel("Phase: Bandwidth")
self._phase_bw_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._phase_bw_slider.setRange(0.0, 1.0, 0.01)
self._phase_bw_slider.setValue(self.phase_bw)
self._phase_bw_slider.setMinimumWidth(200)
self._phase_bw_slider.valueChanged.connect(self.set_phase_bw)
self._phase_bw_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
self._phase_bw_layout.addWidget(self._phase_bw_label)
self._phase_bw_layout.addWidget(self._phase_bw_slider)
self.controls_grid_layout_1.addLayout(self._phase_bw_layout, 0,2,1,1)
self._noise_volt_layout = Qt.QVBoxLayout()
self._noise_volt_tool_bar = Qt.QToolBar(self)
self._noise_volt_layout.addWidget(self._noise_volt_tool_bar)
self._noise_volt_tool_bar.addWidget(Qt.QLabel("Noise Voltage"+": "))
self._noise_volt_counter = Qwt.QwtCounter()
self._noise_volt_counter.setRange(0, 1, 0.01)
self._noise_volt_counter.setNumButtons(2)
self._noise_volt_counter.setValue(self.noise_volt)
self._noise_volt_tool_bar.addWidget(self._noise_volt_counter)
self._noise_volt_counter.valueChanged.connect(self.set_noise_volt)
self._noise_volt_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._noise_volt_slider.setRange(0, 1, 0.01)
self._noise_volt_slider.setValue(self.noise_volt)
self._noise_volt_slider.setMinimumWidth(200)
self._noise_volt_slider.valueChanged.connect(self.set_noise_volt)
self._noise_volt_layout.addWidget(self._noise_volt_slider)
self.controls_grid_layout_0.addLayout(self._noise_volt_layout, 0,0,1,1)
self._freq_offset_layout = Qt.QVBoxLayout()
self._freq_offset_tool_bar = Qt.QToolBar(self)
self._freq_offset_layout.addWidget(self._freq_offset_tool_bar)
self._freq_offset_tool_bar.addWidget(Qt.QLabel("Frequency Offset"+": "))
self._freq_offset_counter = Qwt.QwtCounter()
self._freq_offset_counter.setRange(-0.1, 0.1, 0.001)
self._freq_offset_counter.setNumButtons(2)
self._freq_offset_counter.setValue(self.freq_offset)
self._freq_offset_tool_bar.addWidget(self._freq_offset_counter)
self._freq_offset_counter.valueChanged.connect(self.set_freq_offset)
self._freq_offset_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._freq_offset_slider.setRange(-0.1, 0.1, 0.001)
self._freq_offset_slider.setValue(self.freq_offset)
self._freq_offset_slider.setMinimumWidth(200)
self._freq_offset_slider.valueChanged.connect(self.set_freq_offset)
self._freq_offset_layout.addWidget(self._freq_offset_slider)
self.controls_grid_layout_0.addLayout(self._freq_offset_layout, 0,1,1,1)
self._eq_gain_layout = Qt.QVBoxLayout()
self._eq_gain_label = Qt.QLabel("Equalizer: rate")
self._eq_gain_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._eq_gain_slider.setRange(0.0, 0.1, 0.001)
self._eq_gain_slider.setValue(self.eq_gain)
self._eq_gain_slider.setMinimumWidth(200)
self._eq_gain_slider.valueChanged.connect(self.set_eq_gain)
self._eq_gain_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
self._eq_gain_layout.addWidget(self._eq_gain_label)
self._eq_gain_layout.addWidget(self._eq_gain_slider)
self.controls_grid_layout_1.addLayout(self._eq_gain_layout, 0,1,1,1)
self.qtgui_time_sink_x_0 = qtgui.time_sink_c(
1024, #size
samp_rate, #samp_rate
"QT GUI Plot", #name
1 #number of inputs
)
self.qtgui_time_sink_x_0.set_update_time(0.10)
self.qtgui_time_sink_x_0.set_y_axis(-1, 1)
self.qtgui_time_sink_x_0.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_win = sip.wrapinstance(self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
self.controls_grid_layout_0.addWidget(self._qtgui_time_sink_x_0_win, 1,0,2,2)
self.qtgui_sink_x_1 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
True, #plotfreq
True, #plotwaterfall
True, #plottime
True, #plotconst
)
self.qtgui_sink_x_1.set_update_time(1.0/10)
self._qtgui_sink_x_1_win = sip.wrapinstance(self.qtgui_sink_x_1.pyqwidget(), Qt.QWidget)
self.controls_grid_layout_1.addWidget(self._qtgui_sink_x_1_win, 1,0,2,2)
self.qtgui_sink_x_0 = qtgui.sink_f(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
True, #plotfreq
True, #plotwaterfall
True, #plottime
True, #plotconst
)
self.qtgui_sink_x_0.set_update_time(1.0/10)
self._qtgui_sink_x_0_win = sip.wrapinstance(self.qtgui_sink_x_0.pyqwidget(), Qt.QWidget)
self.controls_grid_layout_1.addWidget(self._qtgui_sink_x_0_win, 3,0,2,2)
self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps, timing_loop_bw, (rrc_taps), nfilts, nfilts/2, 1.5, 2)
self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(4)
self.digital_costas_loop_cc_0 = digital.costas_loop_cc(phase_bw, arity)
self.digital_correlate_and_sync_cc_0 = digital.correlate_and_sync_cc((preamble), (matched_filter), sps)
self.digital_constellation_modulator_0 = digital.generic_mod(
constellation=qpsk,
differential=True,
samples_per_symbol=sps,
pre_diff_code=True,
excess_bw=excess_bw,
verbose=False,
log=False,
)
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(qpsk)
self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc(15, 1, eq_gain, 2)
self.channels_channel_model_0 = channels.channel_model(
noise_voltage=noise_volt,
frequency_offset=freq_offset,
epsilon=time_offset,
taps=([1]),
noise_seed=0,
block_tags=False
)
self.blocks_vector_source_x_0_0 = blocks.vector_source_b(map(lambda x: (-x+1)/2, preamble), True, 1, [])
self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(int(math.log(arity,2)))
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate)
self.blocks_stream_mux_0_0_0 = blocks.stream_mux(gr.sizeof_char*1, (len(preamble)/8,payload_size))
self.blocks_pack_k_bits_bb_1 = 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_gr_complex*1)
self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, "/home/franchz/Documents/UTFPR/10o_periodo/TCC2/projeto/tcc/gnuradio/tx_teste.txt", True)
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char*1, "/home/franchz/Documents/UTFPR/10o_periodo/TCC2/projeto/tcc/gnuradio/rx_teste.txt", False)
self.blocks_file_sink_0.set_unbuffered(True)
self.blocks_char_to_float_0 = blocks.char_to_float(1, 1)
##################################################
# Connections
##################################################
self.connect((self.blocks_stream_mux_0_0_0, 0), (self.digital_constellation_modulator_0, 0))
self.connect((self.blocks_pack_k_bits_bb_0, 0), (self.blocks_stream_mux_0_0_0, 0))
self.connect((self.blocks_vector_source_x_0_0, 0), (self.blocks_pack_k_bits_bb_0, 0))
self.connect((self.digital_constellation_modulator_0, 0), (self.qtgui_time_sink_x_0, 0))
self.connect((self.blocks_char_to_float_0, 0), (self.qtgui_sink_x_0, 0))
self.connect((self.digital_correlate_and_sync_cc_0, 1), (self.blocks_null_sink_0, 0))
self.connect((self.digital_correlate_and_sync_cc_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0))
self.connect((self.digital_cma_equalizer_cc_0, 0), (self.digital_costas_loop_cc_0, 0))
self.connect((self.channels_channel_model_0, 0), (self.digital_correlate_and_sync_cc_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.qtgui_sink_x_1, 0))
self.connect((self.digital_costas_loop_cc_0, 0), (self.digital_constellation_decoder_cb_0, 0))
self.connect((self.digital_constellation_modulator_0, 0), (self.channels_channel_model_0, 0))
self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_cma_equalizer_cc_0, 0))
self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_diff_decoder_bb_0, 0))
self.connect((self.digital_diff_decoder_bb_0, 0), (self.blocks_unpack_k_bits_bb_0, 0))
self.connect((self.blocks_pack_k_bits_bb_1, 0), (self.blocks_file_sink_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_pack_k_bits_bb_1, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_char_to_float_0, 0))
self.connect((self.blocks_file_source_0, 0), (self.blocks_stream_mux_0_0_0, 1))
def test_001(self):
# We're using a really simple preamble so that the correlation
# is straight forward.
preamble = [0, 0, 0, 1, 0, 0, 0]
# Our pulse shape has this width (in units of symbols).
pulse_width = 1.5
# The number of filters to use for resampling.
n_filters = 12
sps = 3
data = [0] * 10 + preamble + [0] * 40
src = blocks.vector_source_c(data)
# We want to generate taps with a sampling rate of sps=n_filters for resampling
# purposes.
pulse_shape = make_parabolic_pulse_shape(sps=n_filters,
N=0.5,
scale=35)
# Create our resampling filter to generate the data for the correlator.
shape = filter.pfb_arb_resampler_ccf(sps, pulse_shape, n_filters)
# Generate the correlator block itself.
correlator = digital.correlate_and_sync_cc(preamble, pulse_shape, sps,
n_filters)
# Connect it all up and go.
snk = blocks.vector_sink_c()
null = blocks.null_sink(gr.sizeof_gr_complex)
tb = gr.top_block()
tb.connect(src, shape, correlator, snk)
tb.connect((correlator, 1), null)
tb.run()
# Look at the tags. Retrieve the timing offset.
data = snk.data()
offset = None
timing_error = None
for tag in snk.tags():
key = pmt.symbol_to_string(tag.key)
if key == "time_est":
offset = tag.offset
timing_error = pmt.to_double(tag.value)
if offset is None:
raise ValueError("No tags found.")
# Detect where the middle of the preamble is.
# Assume we have only one peak and that it is symmetric.
sum_id = 0
sum_d = 0
for i, d in enumerate(data):
sum_id += i * abs(d)
sum_d += abs(d)
data_i = sum_id / sum_d
if offset is not None:
diff = data_i - offset
remainder = -(diff % sps)
if remainder < -sps / 2.0:
remainder += sps
tol = 0.2
difference = timing_error - remainder
difference = difference % sps
if abs(difference) >= tol:
print(
"Tag gives timing estimate of {0}. QA calculates it as {1}. Tolerance is {2}"
.format(timing_error, remainder, tol))
self.assertTrue(abs(difference) < tol)
def __init__(self):
gr.top_block.__init__(self, "Test Corr And Sync")
Qt.QWidget.__init__(self)
self.setWindowTitle("Test Corr And Sync")
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", "test_corr_and_sync")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.sps = sps = 4
self.nfilts = nfilts = 32
self.eb = eb = 0.35
self.time_offset = time_offset = 1
self.samp_rate = samp_rate = 100000
self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), eb, 5*sps*nfilts)
self.preamble = preamble = [1,-1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,-1,1,1,-1,1,-1,-1,1,-1,-1,1,1,1,-1,-1,-1,1,-1,1,1,1,1,-1,-1,1,-1,1,-1,-1,-1,1,1,-1,-1,-1,-1,1,-1,-1,-1,-1,-1,1,1,1,1,1,1,-1,-1]
self.phase = phase = 0
self.payload_size = payload_size = 992
self.noise = noise = 0
self.matched_filter = matched_filter = firdes.root_raised_cosine(nfilts, nfilts, 1, eb, int(11*sps*nfilts))
self.gap = gap = 20000
self.freq_offset = freq_offset = 0
self.constel = constel = digital.constellation_calcdist(([1,- 1]), ([0,1]), 2, 1).base()
self.bb_filter = bb_filter = firdes.root_raised_cosine(sps, sps, 1, eb, 101)
##################################################
# Blocks
##################################################
self._time_offset_layout = Qt.QVBoxLayout()
self._time_offset_label = Qt.QLabel("Timing Offset")
self._time_offset_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._time_offset_slider.setRange(0.995, 1.005, 0.00001)
self._time_offset_slider.setValue(self.time_offset)
self._time_offset_slider.setMinimumWidth(200)
self._time_offset_slider.valueChanged.connect(self.set_time_offset)
self._time_offset_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
self._time_offset_layout.addWidget(self._time_offset_label)
self._time_offset_layout.addWidget(self._time_offset_slider)
self.top_grid_layout.addLayout(self._time_offset_layout, 4,1,1,1)
self._noise_layout = Qt.QVBoxLayout()
self._noise_label = Qt.QLabel("Noise")
self._noise_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._noise_slider.setRange(0, 1, 0.005)
self._noise_slider.setValue(self.noise)
self._noise_slider.setMinimumWidth(200)
self._noise_slider.valueChanged.connect(self.set_noise)
self._noise_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
self._noise_layout.addWidget(self._noise_label)
self._noise_layout.addWidget(self._noise_slider)
self.top_grid_layout.addLayout(self._noise_layout, 3,0,1,1)
self._freq_offset_layout = Qt.QVBoxLayout()
self._freq_offset_label = Qt.QLabel("Frequency Offset")
self._freq_offset_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._freq_offset_slider.setRange(-0.001, 0.001, 0.00002)
self._freq_offset_slider.setValue(self.freq_offset)
self._freq_offset_slider.setMinimumWidth(200)
self._freq_offset_slider.valueChanged.connect(self.set_freq_offset)
self._freq_offset_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
self._freq_offset_layout.addWidget(self._freq_offset_label)
self._freq_offset_layout.addWidget(self._freq_offset_slider)
self.top_grid_layout.addLayout(self._freq_offset_layout, 4,0,1,1)
self.qtgui_time_sink_x_1 = qtgui.time_sink_f(
80000, #size
samp_rate, #samp_rate
"QT GUI Plot", #name
3 #number of inputs
)
self.qtgui_time_sink_x_1.set_update_time(0.10)
self.qtgui_time_sink_x_1.set_y_axis(-200, 400)
self.qtgui_time_sink_x_1.enable_tags(-1, True)
self.qtgui_time_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_NORM, qtgui.TRIG_SLOPE_POS, 200, 0, 0, "")
self.qtgui_time_sink_x_1.enable_autoscale(False)
labels = ["|corr|^2", "Re{corr}", "Im{corr}", "", "",
"", "", "", "", ""]
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_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_grid_layout.addWidget(self._qtgui_time_sink_x_1_win, 1,0,1,2)
self.qtgui_time_sink_x_0 = qtgui.time_sink_c(
50000, #size
samp_rate, #samp_rate
"QT GUI Plot", #name
1 #number of inputs
)
self.qtgui_time_sink_x_0.set_update_time(0.10)
self.qtgui_time_sink_x_0.set_y_axis(-2, 2)
self.qtgui_time_sink_x_0.enable_tags(-1, True)
self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_TAG, qtgui.TRIG_SLOPE_POS, 1, 0.1, 0, "time_est")
self.qtgui_time_sink_x_0.enable_autoscale(False)
labels = ["", "", "", "", "",
"", "", "", "", ""]
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ["blue", "red", "green", "black", "cyan",
"magenta", "yellow", "dark red", "dark green", "blue"]
styles = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1,
-1, -1, -1, -1, -1]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(2*1):
if len(labels[i]) == 0:
if(i % 2 == 0):
self.qtgui_time_sink_x_0.set_line_label(i, "Re{{Data {0}}}".format(i/2))
else:
self.qtgui_time_sink_x_0.set_line_label(i, "Im{{Data {0}}}".format(i/2))
else:
self.qtgui_time_sink_x_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_win, 0,0,1,1)
(self.qtgui_time_sink_x_0).set_processor_affinity([0])
self.qtgui_const_sink_x_0 = qtgui.const_sink_c(
1000, #size
"QT GUI Plot", #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_TAG, qtgui.TRIG_SLOPE_POS, 0, 0, "time_est")
self.qtgui_const_sink_x_0.enable_autoscale(False)
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, 0,1,1,1)
self._phase_layout = Qt.QVBoxLayout()
self._phase_label = Qt.QLabel("Phase offset")
self._phase_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._phase_slider.setRange(-2*scipy.pi, 2*scipy.pi, 0.1)
self._phase_slider.setValue(self.phase)
self._phase_slider.setMinimumWidth(200)
self._phase_slider.valueChanged.connect(self.set_phase)
self._phase_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
self._phase_layout.addWidget(self._phase_label)
self._phase_layout.addWidget(self._phase_slider)
self.top_grid_layout.addLayout(self._phase_layout, 3,1,1,1)
self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps, 2*3.14/100.0, (rrc_taps), nfilts, 0, 0.5, 1)
self.digital_costas_loop_cc_0 = digital.costas_loop_cc(1*3.14/50.0, 2)
self.digital_correlate_and_sync_cc_0 = digital.correlate_and_sync_cc((preamble), (matched_filter), sps)
self.digital_constellation_modulator_0 = digital.generic_mod(
constellation=constel,
differential=False,
samples_per_symbol=sps,
pre_diff_code=True,
excess_bw=eb,
verbose=False,
log=False,
)
self.channels_channel_model_0 = channels.channel_model(
noise_voltage=noise,
frequency_offset=freq_offset,
epsilon=time_offset,
taps=(1.0, ),
noise_seed=0,
block_tags=False
)
self.blocks_vector_source_x_0_0 = blocks.vector_source_b(map(lambda x: (-x+1)/2, preamble), True, 1, [])
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
self.blocks_stream_mux_0_0_0 = blocks.stream_mux(gr.sizeof_char*1, (len(preamble)/8,payload_size))
self.blocks_stream_mux_0_0 = blocks.stream_mux(gr.sizeof_gr_complex*1, ((len(preamble)+8*payload_size)*sps, gap))
self.blocks_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(8)
self.blocks_null_source_0_0 = blocks.null_source(gr.sizeof_gr_complex*1)
self.blocks_complex_to_mag_0 = blocks.complex_to_mag(1)
self.blocks_complex_to_float_0 = blocks.complex_to_float(1)
self.analog_random_source_x_0 = blocks.vector_source_b(map(int, numpy.random.randint(0, 256, 100000)), True)
##################################################
# Connections
##################################################
self.connect((self.digital_costas_loop_cc_0, 0), (self.qtgui_time_sink_x_0, 0))
self.connect((self.blocks_complex_to_float_0, 0), (self.qtgui_time_sink_x_1, 1))
self.connect((self.blocks_complex_to_mag_0, 0), (self.qtgui_time_sink_x_1, 0))
self.connect((self.digital_correlate_and_sync_cc_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0))
self.connect((self.blocks_null_source_0_0, 0), (self.blocks_stream_mux_0_0, 1))
self.connect((self.blocks_vector_source_x_0_0, 0), (self.blocks_pack_k_bits_bb_0, 0))
self.connect((self.blocks_stream_mux_0_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_complex_to_float_0, 1), (self.qtgui_time_sink_x_1, 2))
self.connect((self.channels_channel_model_0, 0), (self.digital_correlate_and_sync_cc_0, 0))
self.connect((self.blocks_stream_mux_0_0_0, 0), (self.digital_constellation_modulator_0, 0))
self.connect((self.digital_constellation_modulator_0, 0), (self.blocks_stream_mux_0_0, 0))
self.connect((self.digital_correlate_and_sync_cc_0, 1), (self.blocks_complex_to_mag_0, 0))
self.connect((self.digital_correlate_and_sync_cc_0, 1), (self.blocks_complex_to_float_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.channels_channel_model_0, 0))
self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_costas_loop_cc_0, 0))
self.connect((self.blocks_pack_k_bits_bb_0, 0), (self.blocks_stream_mux_0_0_0, 0))
self.connect((self.analog_random_source_x_0, 0), (self.blocks_stream_mux_0_0_0, 1))
self.connect((self.digital_costas_loop_cc_0, 0), (self.qtgui_const_sink_x_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Tags Lab2")
Qt.QWidget.__init__(self)
self.setWindowTitle("Tags Lab2")
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", "tags_lab2")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.sequence = sequence = [
1, 1, -1, -1, 1, 1, -1, -1, 1, 1, -1, -1, 1, -1, 1, -1
]
self.samp_rate = samp_rate = 32000
##################################################
# Blocks
##################################################
self.qtgui_time_sink_x_0_0 = qtgui.time_sink_c(
1024, #size
samp_rate, #samp_rate
"Corr", #name
1 #number of inputs
)
self.qtgui_time_sink_x_0_0.set_update_time(0.10)
self.qtgui_time_sink_x_0_0.set_y_axis(-1, 1)
self.qtgui_time_sink_x_0_0.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_0_0.enable_tags(-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(False)
self.qtgui_time_sink_x_0_0.enable_grid(False)
self.qtgui_time_sink_x_0_0.enable_axis_labels(True)
self.qtgui_time_sink_x_0_0.enable_control_panel(False)
if not True:
self.qtgui_time_sink_x_0_0.disable_legend()
labels = ['', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "blue"
]
styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(2 * 1):
if len(labels[i]) == 0:
if (i % 2 == 0):
self.qtgui_time_sink_x_0_0.set_line_label(
i, "Re{{Data {0}}}".format(i / 2))
else:
self.qtgui_time_sink_x_0_0.set_line_label(
i, "Im{{Data {0}}}".format(i / 2))
else:
self.qtgui_time_sink_x_0_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_0_win = sip.wrapinstance(
self.qtgui_time_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_time_sink_x_0_0_win)
self.qtgui_time_sink_x_0 = qtgui.time_sink_c(
1024, #size
samp_rate, #samp_rate
"Pulse", #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(2 * 1):
if len(labels[i]) == 0:
if (i % 2 == 0):
self.qtgui_time_sink_x_0.set_line_label(
i, "Re{{Data {0}}}".format(i / 2))
else:
self.qtgui_time_sink_x_0.set_line_label(
i, "Im{{Data {0}}}".format(i / 2))
else:
self.qtgui_time_sink_x_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_win = sip.wrapinstance(
self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_time_sink_x_0_win)
self.digital_correlate_and_sync_cc_0 = digital.correlate_and_sync_cc(
(sequence), ((1, )), 1)
self.blocks_vector_source_x_0 = blocks.vector_source_c(
sequence, True, 1, [])
self.blocks_throttle_1 = blocks.throttle(gr.sizeof_gr_complex * 1,
samp_rate, True)
self.blocks_stream_mux_0 = blocks.stream_mux(gr.sizeof_gr_complex * 1,
(len(sequence), 1000))
self.analog_const_source_x_0 = analog.sig_source_c(
0, analog.GR_CONST_WAVE, 0, 0, 0)
##################################################
# Connections
##################################################
self.connect((self.analog_const_source_x_0, 0),
(self.blocks_stream_mux_0, 1))
self.connect((self.blocks_stream_mux_0, 0),
(self.blocks_throttle_1, 0))
self.connect((self.blocks_throttle_1, 0),
(self.digital_correlate_and_sync_cc_0, 0))
self.connect((self.blocks_vector_source_x_0, 0),
(self.blocks_stream_mux_0, 0))
self.connect((self.digital_correlate_and_sync_cc_0, 0),
(self.qtgui_time_sink_x_0, 0))
self.connect((self.digital_correlate_and_sync_cc_0, 1),
(self.qtgui_time_sink_x_0_0, 0))
