def __init__(self):
gr.top_block.__init__(self, "FM radio to test FCDPROplus")
Qt.QWidget.__init__(self)
self.setWindowTitle("FM radio to test FCDPROplus")
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
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)
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 192000
self.Volume = Volume = 1
self.RxFrequency = RxFrequency = 94300
self.PPM = PPM = 0
self.Mixergain = Mixergain = 1
self.Lna = Lna = 1
self.Ifgain = Ifgain = 0
##################################################
# Blocks
##################################################
self._Volume_layout = Qt.QHBoxLayout()
self._Volume_layout.addWidget(Qt.QLabel("Volume"+": "))
self._Volume_counter = Qwt.QwtCounter()
self._Volume_counter.setRange(1, 50, 1)
self._Volume_counter.setNumButtons(2)
self._Volume_counter.setMinimumWidth(45)
self._Volume_counter.setValue(self.Volume)
self._Volume_layout.addWidget(self._Volume_counter)
self._Volume_counter.valueChanged.connect(self.set_Volume)
self.top_grid_layout.addLayout(self._Volume_layout, 0,5,1,1)
self._RxFrequency_layout = Qt.QHBoxLayout()
self._RxFrequency_layout.addWidget(Qt.QLabel("Set Frequency "+": "))
self._RxFrequency_counter = Qwt.QwtCounter()
self._RxFrequency_counter.setRange(3000, 100000, 1)
self._RxFrequency_counter.setNumButtons(2)
self._RxFrequency_counter.setMinimumWidth(200)
self._RxFrequency_counter.setValue(self.RxFrequency)
self._RxFrequency_layout.addWidget(self._RxFrequency_counter)
self._RxFrequency_counter.valueChanged.connect(self.set_RxFrequency)
self.top_grid_layout.addLayout(self._RxFrequency_layout, 0,0,1,1)
self._PPM_layout = Qt.QHBoxLayout()
self._PPM_layout.addWidget(Qt.QLabel("set PPM"+": "))
self._PPM_counter = Qwt.QwtCounter()
self._PPM_counter.setRange(-100, 100, 1)
self._PPM_counter.setNumButtons(2)
self._PPM_counter.setMinimumWidth(40)
self._PPM_counter.setValue(self.PPM)
self._PPM_layout.addWidget(self._PPM_counter)
self._PPM_counter.valueChanged.connect(self.set_PPM)
self.top_grid_layout.addLayout(self._PPM_layout, 0,6,1,1)
self._Mixergain_options = (0, 1, )
self._Mixergain_labels = ("Off", "On", )
self._Mixergain_tool_bar = Qt.QToolBar(self)
self._Mixergain_tool_bar.addWidget(Qt.QLabel("Mixergain"+": "))
self._Mixergain_combo_box = Qt.QComboBox()
self._Mixergain_tool_bar.addWidget(self._Mixergain_combo_box)
for label in self._Mixergain_labels: self._Mixergain_combo_box.addItem(label)
self._Mixergain_callback = lambda i: self._Mixergain_combo_box.setCurrentIndex(self._Mixergain_options.index(i))
self._Mixergain_callback(self.Mixergain)
self._Mixergain_combo_box.currentIndexChanged.connect(
lambda i: self.set_Mixergain(self._Mixergain_options[i]))
self.top_grid_layout.addWidget(self._Mixergain_tool_bar, 0,2,1,1)
self._Lna_options = (0, 1, )
self._Lna_labels = ("Off", "On", )
self._Lna_tool_bar = Qt.QToolBar(self)
self._Lna_tool_bar.addWidget(Qt.QLabel("Lna"+": "))
self._Lna_combo_box = Qt.QComboBox()
self._Lna_tool_bar.addWidget(self._Lna_combo_box)
for label in self._Lna_labels: self._Lna_combo_box.addItem(label)
self._Lna_callback = lambda i: self._Lna_combo_box.setCurrentIndex(self._Lna_options.index(i))
self._Lna_callback(self.Lna)
self._Lna_combo_box.currentIndexChanged.connect(
lambda i: self.set_Lna(self._Lna_options[i]))
self.top_grid_layout.addWidget(self._Lna_tool_bar, 0,1,1,1)
self._Ifgain_layout = Qt.QHBoxLayout()
self._Ifgain_layout.addWidget(Qt.QLabel("Ifgain"+": "))
self._Ifgain_counter = Qwt.QwtCounter()
self._Ifgain_counter.setRange(0, 59, 1)
self._Ifgain_counter.setNumButtons(2)
self._Ifgain_counter.setMinimumWidth(45)
self._Ifgain_counter.setValue(self.Ifgain)
self._Ifgain_layout.addWidget(self._Ifgain_counter)
self._Ifgain_counter.valueChanged.connect(self.set_Ifgain)
self.top_grid_layout.addLayout(self._Ifgain_layout, 0,3,1,1)
self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
1024, #size
samp_rate/4, #bw
"QT GUI Plot", #name
1 #number of inputs
)
self._qtgui_time_sink_x_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_win, 1,4,1,3)
self.qtgui_sink_x_0 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
RxFrequency*1000, #fc
samp_rate, #bw
"QT GUI Plot", #name
True, #plotfreq
True, #plotwaterfall
False, #plottime
False, #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_grid_layout.addWidget(self._qtgui_sink_x_0_win, 1,0,1,4)
self.low_pass_filter_1 = gr.fir_filter_fff(4, firdes.low_pass(
1, samp_rate, 16000, 300, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_0 = gr.fir_filter_ccf(1, firdes.low_pass(
5, samp_rate, 40000, 300, firdes.WIN_HAMMING, 6.76))
self.gr_quadrature_demod_cf_0 = gr.quadrature_demod_cf(1)
self.gr_multiply_const_vxx_0 = gr.multiply_const_vff((Volume, ))
self.fcdproplus_fcdproplus_0 = fcdproplus.fcdproplus("",1000)
self.fcdproplus_fcdproplus_0.set_lna(Lna)
self.fcdproplus_fcdproplus_0.set_mixer_gain(Mixergain)
self.fcdproplus_fcdproplus_0.set_if_gain(int(Ifgain))
self.fcdproplus_fcdproplus_0.set_freq_corr(int( PPM))
self.fcdproplus_fcdproplus_0.set_freq(RxFrequency)
self.blks2_fm_deemph_0 = blks2.fm_deemph(fs=samp_rate, tau=25e-6)
self.audio_sink_0 = audio.sink(48000, "default", True)
##################################################
# Connections
##################################################
self.connect((self.fcdproplus_fcdproplus_0, 0), (self.qtgui_sink_x_0, 0))
self.connect((self.fcdproplus_fcdproplus_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.gr_multiply_const_vxx_0, 0), (self.audio_sink_0, 0))
self.connect((self.gr_multiply_const_vxx_0, 0), (self.audio_sink_0, 1))
self.connect((self.gr_multiply_const_vxx_0, 0), (self.qtgui_time_sink_x_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.gr_quadrature_demod_cf_0, 0))
self.connect((self.low_pass_filter_1, 0), (self.gr_multiply_const_vxx_0, 0))
self.connect((self.gr_quadrature_demod_cf_0, 0), (self.blks2_fm_deemph_0, 0))
self.connect((self.blks2_fm_deemph_0, 0), (self.low_pass_filter_1, 0))
def __init__(self):
gr.top_block.__init__(self, "Simple QAM Simulation")
Qt.QWidget.__init__(self)
self.setWindowTitle("Simple QAM Simulation")
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
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)
##################################################
# Variables
##################################################
self.constellation_cardinality = constellation_cardinality = 16
self.const_object = const_object = constellations()['qam'](
constellation_cardinality)
self.snr_db = snr_db = 20
self.constellation = constellation = const_object.points()
self.sps = sps = 8
self.samp_rate = samp_rate = 250000
self.noise_amp = noise_amp = sqrt((10**(-snr_db / 10.)) / 2.)
self.constellation_power = constellation_power = sqrt(
sum([abs(i)**2
for i in constellation]) / constellation_cardinality)
##################################################
# Blocks
##################################################
self.tabid_0 = Qt.QTabWidget()
self.tabid_0_widget_0 = Qt.QWidget()
self.tabid_0_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.tabid_0_widget_0)
self.tabid_0_grid_layout_0 = Qt.QGridLayout()
self.tabid_0_layout_0.addLayout(self.tabid_0_grid_layout_0)
self.tabid_0.addTab(self.tabid_0_widget_0, "TX")
self.tabid_0_widget_1 = Qt.QWidget()
self.tabid_0_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.tabid_0_widget_1)
self.tabid_0_grid_layout_1 = Qt.QGridLayout()
self.tabid_0_layout_1.addLayout(self.tabid_0_grid_layout_1)
self.tabid_0.addTab(self.tabid_0_widget_1, "CHANNEL")
self.tabid_0_widget_2 = Qt.QWidget()
self.tabid_0_layout_2 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.tabid_0_widget_2)
self.tabid_0_grid_layout_2 = Qt.QGridLayout()
self.tabid_0_layout_2.addLayout(self.tabid_0_grid_layout_2)
self.tabid_0.addTab(self.tabid_0_widget_2, "RX")
self.top_grid_layout.addWidget(self.tabid_0, 30, 0, 10, 100)
self.tabid_2 = Qt.QTabWidget()
self.tabid_2_widget_0 = Qt.QWidget()
self.tabid_2_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.tabid_2_widget_0)
self.tabid_2_grid_layout_0 = Qt.QGridLayout()
self.tabid_2_layout_0.addLayout(self.tabid_2_grid_layout_0)
self.tabid_2.addTab(self.tabid_2_widget_0, "symbol-based")
self.tabid_2_widget_1 = Qt.QWidget()
self.tabid_2_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.tabid_2_widget_1)
self.tabid_2_grid_layout_1 = Qt.QGridLayout()
self.tabid_2_layout_1.addLayout(self.tabid_2_grid_layout_1)
self.tabid_2.addTab(self.tabid_2_widget_1, "bit-based")
self.tabid_2_widget_2 = Qt.QWidget()
self.tabid_2_layout_2 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.tabid_2_widget_2)
self.tabid_2_grid_layout_2 = Qt.QGridLayout()
self.tabid_2_layout_2.addLayout(self.tabid_2_grid_layout_2)
self.tabid_2.addTab(self.tabid_2_widget_2, "BER")
self.tabid_0_layout_2.addWidget(self.tabid_2)
self.tabid_1 = Qt.QTabWidget()
self.tabid_1_widget_0 = Qt.QWidget()
self.tabid_1_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.tabid_1_widget_0)
self.tabid_1_grid_layout_0 = Qt.QGridLayout()
self.tabid_1_layout_0.addLayout(self.tabid_1_grid_layout_0)
self.tabid_1.addTab(self.tabid_1_widget_0, "bit-based")
self.tabid_1_widget_1 = Qt.QWidget()
self.tabid_1_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.tabid_1_widget_1)
self.tabid_1_grid_layout_1 = Qt.QGridLayout()
self.tabid_1_layout_1.addLayout(self.tabid_1_grid_layout_1)
self.tabid_1.addTab(self.tabid_1_widget_1, "scrambled")
self.tabid_1_widget_2 = Qt.QWidget()
self.tabid_1_layout_2 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.tabid_1_widget_2)
self.tabid_1_grid_layout_2 = Qt.QGridLayout()
self.tabid_1_layout_2.addLayout(self.tabid_1_grid_layout_2)
self.tabid_1.addTab(self.tabid_1_widget_2, "symbol-based")
self.tabid_0_grid_layout_0.addWidget(self.tabid_1, 0, 0, 10, 10)
self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
1024, #size
samp_rate, #bw
"QT GUI Plot", #name
1 #number of inputs
)
self._qtgui_time_sink_x_0_win = sip.wrapinstance(
self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
self.tabid_2_layout_2.addWidget(self._qtgui_time_sink_x_0_win)
self.qtgui_sink_x_0_1_0_0 = qtgui.sink_f(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
False, #plotfreq
False, #plotwaterfall
True, #plottime
True, #plotconst
)
self._qtgui_sink_x_0_1_0_0_win = sip.wrapinstance(
self.qtgui_sink_x_0_1_0_0.pyqwidget(), Qt.QWidget)
self.tabid_1_layout_0.addWidget(self._qtgui_sink_x_0_1_0_0_win)
self.qtgui_sink_x_0_1_0 = qtgui.sink_f(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
True, #plotfreq
False, #plotwaterfall
True, #plottime
True, #plotconst
)
self._qtgui_sink_x_0_1_0_win = sip.wrapinstance(
self.qtgui_sink_x_0_1_0.pyqwidget(), Qt.QWidget)
self.tabid_1_layout_1.addWidget(self._qtgui_sink_x_0_1_0_win)
self.qtgui_sink_x_0_1 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
False, #plotfreq
False, #plotwaterfall
True, #plottime
True, #plotconst
)
self._qtgui_sink_x_0_1_win = sip.wrapinstance(
self.qtgui_sink_x_0_1.pyqwidget(), Qt.QWidget)
self.tabid_1_layout_2.addWidget(self._qtgui_sink_x_0_1_win)
self.qtgui_sink_x_0_0_0_0 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
True, #plotfreq
False, #plotwaterfall
True, #plottime
True, #plotconst
)
self._qtgui_sink_x_0_0_0_0_win = sip.wrapinstance(
self.qtgui_sink_x_0_0_0_0.pyqwidget(), Qt.QWidget)
self.tabid_2_layout_0.addWidget(self._qtgui_sink_x_0_0_0_0_win)
self.qtgui_sink_x_0_0_0 = qtgui.sink_f(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
False, #plotfreq
False, #plotwaterfall
True, #plottime
True, #plotconst
)
self._qtgui_sink_x_0_0_0_win = sip.wrapinstance(
self.qtgui_sink_x_0_0_0.pyqwidget(), Qt.QWidget)
self.tabid_2_layout_1.addWidget(self._qtgui_sink_x_0_0_0_win)
self.qtgui_sink_x_0_0 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
True, #plotfreq
False, #plotwaterfall
True, #plottime
False, #plotconst
)
self._qtgui_sink_x_0_0_win = sip.wrapinstance(
self.qtgui_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.tabid_0_layout_1.addWidget(self._qtgui_sink_x_0_0_win)
self.gr_vector_source_x_0_0 = gr.vector_source_b(([1, 0]), True, 1)
self.gr_vector_source_x_0 = gr.vector_source_b(([1, 0]), True, 1)
self.gr_unpack_k_bits_bb_0 = gr.unpack_k_bits_bb(
int(log2(constellation_cardinality)))
self.gr_throttle_0 = gr.throttle(gr.sizeof_gr_complex * 1, samp_rate)
self.gr_pack_k_bits_bb_0 = gr.pack_k_bits_bb(
int(log2(constellation_cardinality)))
self.gr_null_sink_0 = gr.null_sink(gr.sizeof_char * 1)
self.gr_noise_source_x_0 = gr.noise_source_c(gr.GR_GAUSSIAN, noise_amp,
0)
self.gr_nlog10_ff_0 = gr.nlog10_ff(1, 1, 0)
self.gr_multiply_const_vxx_0_0 = gr.multiply_const_vcc(
(1. / constellation_power, ))
self.gr_multiply_const_vxx_0 = gr.multiply_const_vcc(
(constellation_power, ))
self.gr_file_sink_0_1_0 = gr.file_sink(gr.sizeof_gr_complex * 1,
"rx_sym.32fc")
self.gr_file_sink_0_1_0.set_unbuffered(False)
self.gr_file_sink_0_1 = gr.file_sink(gr.sizeof_gr_complex * 1,
"tx_sym.32fc")
self.gr_file_sink_0_1.set_unbuffered(False)
self.gr_file_sink_0_0 = gr.file_sink(gr.sizeof_char * 1, "rx.8b")
self.gr_file_sink_0_0.set_unbuffered(False)
self.gr_file_sink_0 = gr.file_sink(gr.sizeof_char * 1, "tx.8b")
self.gr_file_sink_0.set_unbuffered(False)
self.gr_descrambler_bb_0 = gr.descrambler_bb(0xe4001, 0x7ffff, 19)
self.gr_char_to_float_1_0 = gr.char_to_float(1, 1)
self.gr_char_to_float_1 = gr.char_to_float(1, 1)
self.gr_char_to_float_0 = gr.char_to_float(1, 1)
self.gr_add_xx_0 = gr.add_vcc(1)
self.digital_scrambler_bb_0 = digital.scrambler_bb(
0xe4001, 0x7fffF, 19)
self.digital_constellation_receiver_cb_0 = digital.constellation_receiver_cb(
const_object.base(), 6.28 / 100, -0.25, +0.25)
self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc(
(constellation), 1)
self.blks2_error_rate_0 = grc_blks2.error_rate(
type='BER',
win_size=samp_rate,
bits_per_symbol=1,
)
##################################################
# Connections
##################################################
self.connect((self.gr_vector_source_x_0, 0),
(self.digital_scrambler_bb_0, 0))
self.connect((self.digital_scrambler_bb_0, 0),
(self.gr_pack_k_bits_bb_0, 0))
self.connect((self.gr_pack_k_bits_bb_0, 0),
(self.digital_chunks_to_symbols_xx_0, 0))
self.connect((self.digital_constellation_receiver_cb_0, 0),
(self.gr_file_sink_0_0, 0))
self.connect((self.digital_constellation_receiver_cb_0, 0),
(self.gr_unpack_k_bits_bb_0, 0))
self.connect((self.gr_unpack_k_bits_bb_0, 0),
(self.gr_descrambler_bb_0, 0))
self.connect((self.gr_descrambler_bb_0, 0), (self.gr_null_sink_0, 0))
self.connect((self.gr_multiply_const_vxx_0, 0),
(self.digital_constellation_receiver_cb_0, 0))
self.connect((self.gr_descrambler_bb_0, 0),
(self.gr_char_to_float_0, 0))
self.connect((self.gr_char_to_float_0, 0),
(self.qtgui_sink_x_0_0_0, 0))
self.connect((self.gr_add_xx_0, 0), (self.gr_throttle_0, 0))
self.connect((self.gr_noise_source_x_0, 0), (self.gr_add_xx_0, 1))
self.connect((self.digital_chunks_to_symbols_xx_0, 0),
(self.gr_multiply_const_vxx_0_0, 0))
self.connect((self.gr_multiply_const_vxx_0_0, 0),
(self.gr_file_sink_0_1, 0))
self.connect((self.gr_multiply_const_vxx_0_0, 0),
(self.qtgui_sink_x_0_1, 0))
self.connect((self.gr_char_to_float_1, 0),
(self.qtgui_sink_x_0_1_0, 0))
self.connect((self.gr_pack_k_bits_bb_0, 0),
(self.gr_char_to_float_1, 0))
self.connect((self.gr_pack_k_bits_bb_0, 0), (self.gr_file_sink_0, 0))
self.connect((self.gr_char_to_float_1_0, 0),
(self.qtgui_sink_x_0_1_0_0, 0))
self.connect((self.gr_vector_source_x_0, 0),
(self.gr_char_to_float_1_0, 0))
self.connect((self.gr_multiply_const_vxx_0_0, 0),
(self.gr_add_xx_0, 0))
self.connect((self.gr_add_xx_0, 0), (self.qtgui_sink_x_0_0, 0))
self.connect((self.gr_throttle_0, 0),
(self.gr_multiply_const_vxx_0, 0))
self.connect((self.gr_throttle_0, 0), (self.gr_file_sink_0_1_0, 0))
self.connect((self.gr_throttle_0, 0), (self.qtgui_sink_x_0_0_0_0, 0))
self.connect((self.gr_nlog10_ff_0, 0), (self.qtgui_time_sink_x_0, 0))
self.connect((self.blks2_error_rate_0, 0), (self.gr_nlog10_ff_0, 0))
self.connect((self.gr_vector_source_x_0_0, 0),
(self.blks2_error_rate_0, 0))
self.connect((self.gr_descrambler_bb_0, 0),
(self.blks2_error_rate_0, 1))
def __init__(self):
gr.top_block.__init__(self, "Simple QAM Simulation")
Qt.QWidget.__init__(self)
self.setWindowTitle("Simple QAM Simulation")
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
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)
##################################################
# Variables
##################################################
self.constellation_cardinality = constellation_cardinality = 16
self.const_object = const_object = constellations()['qam'](constellation_cardinality)
self.snr_db = snr_db = 20
self.constellation = constellation = const_object.points()
self.sps = sps = 8
self.samp_rate = samp_rate = 250000
self.noise_amp = noise_amp = sqrt( (10**(-snr_db/10.)) /2. )
self.constellation_power = constellation_power = sqrt(sum([abs(i)**2 for i in constellation])/constellation_cardinality)
##################################################
# Blocks
##################################################
self.tabid_0 = Qt.QTabWidget()
self.tabid_0_widget_0 = Qt.QWidget()
self.tabid_0_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabid_0_widget_0)
self.tabid_0_grid_layout_0 = Qt.QGridLayout()
self.tabid_0_layout_0.addLayout(self.tabid_0_grid_layout_0)
self.tabid_0.addTab(self.tabid_0_widget_0, "TX")
self.tabid_0_widget_1 = Qt.QWidget()
self.tabid_0_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabid_0_widget_1)
self.tabid_0_grid_layout_1 = Qt.QGridLayout()
self.tabid_0_layout_1.addLayout(self.tabid_0_grid_layout_1)
self.tabid_0.addTab(self.tabid_0_widget_1, "CHANNEL")
self.tabid_0_widget_2 = Qt.QWidget()
self.tabid_0_layout_2 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabid_0_widget_2)
self.tabid_0_grid_layout_2 = Qt.QGridLayout()
self.tabid_0_layout_2.addLayout(self.tabid_0_grid_layout_2)
self.tabid_0.addTab(self.tabid_0_widget_2, "RX")
self.top_grid_layout.addWidget(self.tabid_0, 30,0,10,100)
self.tabid_2 = Qt.QTabWidget()
self.tabid_2_widget_0 = Qt.QWidget()
self.tabid_2_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabid_2_widget_0)
self.tabid_2_grid_layout_0 = Qt.QGridLayout()
self.tabid_2_layout_0.addLayout(self.tabid_2_grid_layout_0)
self.tabid_2.addTab(self.tabid_2_widget_0, "symbol-based")
self.tabid_2_widget_1 = Qt.QWidget()
self.tabid_2_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabid_2_widget_1)
self.tabid_2_grid_layout_1 = Qt.QGridLayout()
self.tabid_2_layout_1.addLayout(self.tabid_2_grid_layout_1)
self.tabid_2.addTab(self.tabid_2_widget_1, "bit-based")
self.tabid_2_widget_2 = Qt.QWidget()
self.tabid_2_layout_2 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabid_2_widget_2)
self.tabid_2_grid_layout_2 = Qt.QGridLayout()
self.tabid_2_layout_2.addLayout(self.tabid_2_grid_layout_2)
self.tabid_2.addTab(self.tabid_2_widget_2, "BER")
self.tabid_0_layout_2.addWidget(self.tabid_2)
self.tabid_1 = Qt.QTabWidget()
self.tabid_1_widget_0 = Qt.QWidget()
self.tabid_1_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabid_1_widget_0)
self.tabid_1_grid_layout_0 = Qt.QGridLayout()
self.tabid_1_layout_0.addLayout(self.tabid_1_grid_layout_0)
self.tabid_1.addTab(self.tabid_1_widget_0, "bit-based")
self.tabid_1_widget_1 = Qt.QWidget()
self.tabid_1_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabid_1_widget_1)
self.tabid_1_grid_layout_1 = Qt.QGridLayout()
self.tabid_1_layout_1.addLayout(self.tabid_1_grid_layout_1)
self.tabid_1.addTab(self.tabid_1_widget_1, "scrambled")
self.tabid_1_widget_2 = Qt.QWidget()
self.tabid_1_layout_2 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabid_1_widget_2)
self.tabid_1_grid_layout_2 = Qt.QGridLayout()
self.tabid_1_layout_2.addLayout(self.tabid_1_grid_layout_2)
self.tabid_1.addTab(self.tabid_1_widget_2, "symbol-based")
self.tabid_0_grid_layout_0.addWidget(self.tabid_1, 0,0,10,10)
self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
1024, #size
samp_rate, #bw
"QT GUI Plot", #name
1 #number of inputs
)
self._qtgui_time_sink_x_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
self.tabid_2_layout_2.addWidget(self._qtgui_time_sink_x_0_win)
self.qtgui_sink_x_0_1_0_0 = qtgui.sink_f(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
False, #plotfreq
False, #plotwaterfall
True, #plottime
True, #plotconst
)
self._qtgui_sink_x_0_1_0_0_win = sip.wrapinstance(self.qtgui_sink_x_0_1_0_0.pyqwidget(), Qt.QWidget)
self.tabid_1_layout_0.addWidget(self._qtgui_sink_x_0_1_0_0_win)
self.qtgui_sink_x_0_1_0 = qtgui.sink_f(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
True, #plotfreq
False, #plotwaterfall
True, #plottime
True, #plotconst
)
self._qtgui_sink_x_0_1_0_win = sip.wrapinstance(self.qtgui_sink_x_0_1_0.pyqwidget(), Qt.QWidget)
self.tabid_1_layout_1.addWidget(self._qtgui_sink_x_0_1_0_win)
self.qtgui_sink_x_0_1 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
False, #plotfreq
False, #plotwaterfall
True, #plottime
True, #plotconst
)
self._qtgui_sink_x_0_1_win = sip.wrapinstance(self.qtgui_sink_x_0_1.pyqwidget(), Qt.QWidget)
self.tabid_1_layout_2.addWidget(self._qtgui_sink_x_0_1_win)
self.qtgui_sink_x_0_0_0_0 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
True, #plotfreq
False, #plotwaterfall
True, #plottime
True, #plotconst
)
self._qtgui_sink_x_0_0_0_0_win = sip.wrapinstance(self.qtgui_sink_x_0_0_0_0.pyqwidget(), Qt.QWidget)
self.tabid_2_layout_0.addWidget(self._qtgui_sink_x_0_0_0_0_win)
self.qtgui_sink_x_0_0_0 = qtgui.sink_f(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
False, #plotfreq
False, #plotwaterfall
True, #plottime
True, #plotconst
)
self._qtgui_sink_x_0_0_0_win = sip.wrapinstance(self.qtgui_sink_x_0_0_0.pyqwidget(), Qt.QWidget)
self.tabid_2_layout_1.addWidget(self._qtgui_sink_x_0_0_0_win)
self.qtgui_sink_x_0_0 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
True, #plotfreq
False, #plotwaterfall
True, #plottime
False, #plotconst
)
self._qtgui_sink_x_0_0_win = sip.wrapinstance(self.qtgui_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.tabid_0_layout_1.addWidget(self._qtgui_sink_x_0_0_win)
self.gr_vector_source_x_0_0 = gr.vector_source_b(([1,0]), True, 1)
self.gr_vector_source_x_0 = gr.vector_source_b(([1,0]), True, 1)
self.gr_unpack_k_bits_bb_0 = gr.unpack_k_bits_bb(int(log2(constellation_cardinality)))
self.gr_throttle_0 = gr.throttle(gr.sizeof_gr_complex*1, samp_rate)
self.gr_pack_k_bits_bb_0 = gr.pack_k_bits_bb(int(log2(constellation_cardinality)))
self.gr_null_sink_0 = gr.null_sink(gr.sizeof_char*1)
self.gr_noise_source_x_0 = gr.noise_source_c(gr.GR_GAUSSIAN, noise_amp, 0)
self.gr_nlog10_ff_0 = gr.nlog10_ff(1, 1, 0)
self.gr_multiply_const_vxx_0_0 = gr.multiply_const_vcc((1./constellation_power, ))
self.gr_multiply_const_vxx_0 = gr.multiply_const_vcc((constellation_power, ))
self.gr_file_sink_0_1_0 = gr.file_sink(gr.sizeof_gr_complex*1, "rx_sym.32fc")
self.gr_file_sink_0_1_0.set_unbuffered(False)
self.gr_file_sink_0_1 = gr.file_sink(gr.sizeof_gr_complex*1, "tx_sym.32fc")
self.gr_file_sink_0_1.set_unbuffered(False)
self.gr_file_sink_0_0 = gr.file_sink(gr.sizeof_char*1, "rx.8b")
self.gr_file_sink_0_0.set_unbuffered(False)
self.gr_file_sink_0 = gr.file_sink(gr.sizeof_char*1, "tx.8b")
self.gr_file_sink_0.set_unbuffered(False)
self.gr_descrambler_bb_0 = gr.descrambler_bb(0xe4001, 0x7ffff, 19)
self.gr_char_to_float_1_0 = gr.char_to_float(1, 1)
self.gr_char_to_float_1 = gr.char_to_float(1, 1)
self.gr_char_to_float_0 = gr.char_to_float(1, 1)
self.gr_add_xx_0 = gr.add_vcc(1)
self.digital_scrambler_bb_0 = digital.scrambler_bb(0xe4001, 0x7fffF, 19)
self.digital_constellation_receiver_cb_0 = digital.constellation_receiver_cb(const_object.base(), 6.28/100, -0.25, +0.25)
self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc((constellation), 1)
self.blks2_error_rate_0 = grc_blks2.error_rate(
type='BER',
win_size=samp_rate,
bits_per_symbol=1,
)
##################################################
# Connections
##################################################
self.connect((self.gr_vector_source_x_0, 0), (self.digital_scrambler_bb_0, 0))
self.connect((self.digital_scrambler_bb_0, 0), (self.gr_pack_k_bits_bb_0, 0))
self.connect((self.gr_pack_k_bits_bb_0, 0), (self.digital_chunks_to_symbols_xx_0, 0))
self.connect((self.digital_constellation_receiver_cb_0, 0), (self.gr_file_sink_0_0, 0))
self.connect((self.digital_constellation_receiver_cb_0, 0), (self.gr_unpack_k_bits_bb_0, 0))
self.connect((self.gr_unpack_k_bits_bb_0, 0), (self.gr_descrambler_bb_0, 0))
self.connect((self.gr_descrambler_bb_0, 0), (self.gr_null_sink_0, 0))
self.connect((self.gr_multiply_const_vxx_0, 0), (self.digital_constellation_receiver_cb_0, 0))
self.connect((self.gr_descrambler_bb_0, 0), (self.gr_char_to_float_0, 0))
self.connect((self.gr_char_to_float_0, 0), (self.qtgui_sink_x_0_0_0, 0))
self.connect((self.gr_add_xx_0, 0), (self.gr_throttle_0, 0))
self.connect((self.gr_noise_source_x_0, 0), (self.gr_add_xx_0, 1))
self.connect((self.digital_chunks_to_symbols_xx_0, 0), (self.gr_multiply_const_vxx_0_0, 0))
self.connect((self.gr_multiply_const_vxx_0_0, 0), (self.gr_file_sink_0_1, 0))
self.connect((self.gr_multiply_const_vxx_0_0, 0), (self.qtgui_sink_x_0_1, 0))
self.connect((self.gr_char_to_float_1, 0), (self.qtgui_sink_x_0_1_0, 0))
self.connect((self.gr_pack_k_bits_bb_0, 0), (self.gr_char_to_float_1, 0))
self.connect((self.gr_pack_k_bits_bb_0, 0), (self.gr_file_sink_0, 0))
self.connect((self.gr_char_to_float_1_0, 0), (self.qtgui_sink_x_0_1_0_0, 0))
self.connect((self.gr_vector_source_x_0, 0), (self.gr_char_to_float_1_0, 0))
self.connect((self.gr_multiply_const_vxx_0_0, 0), (self.gr_add_xx_0, 0))
self.connect((self.gr_add_xx_0, 0), (self.qtgui_sink_x_0_0, 0))
self.connect((self.gr_throttle_0, 0), (self.gr_multiply_const_vxx_0, 0))
self.connect((self.gr_throttle_0, 0), (self.gr_file_sink_0_1_0, 0))
self.connect((self.gr_throttle_0, 0), (self.qtgui_sink_x_0_0_0_0, 0))
self.connect((self.gr_nlog10_ff_0, 0), (self.qtgui_time_sink_x_0, 0))
self.connect((self.blks2_error_rate_0, 0), (self.gr_nlog10_ff_0, 0))
self.connect((self.gr_vector_source_x_0_0, 0), (self.blks2_error_rate_0, 0))
self.connect((self.gr_descrambler_bb_0, 0), (self.blks2_error_rate_0, 1))
