def __init__(self):
gr.top_block.__init__(self, "OFDMChatAppRx")
##################################################
# Variables
##################################################
self.tune_offset = tune_offset = 500e3
self.samp_rate = samp_rate = 500000
self.len_tag_key = len_tag_key = "packet_len"
self.fft_len = fft_len = 128
self.decimation = decimation = 4
##################################################
# Blocks
##################################################
self.osmosdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + "" )
self.osmosdr_source_0.set_sample_rate(samp_rate*decimation)
self.osmosdr_source_0.set_center_freq(400e6-tune_offset, 0)
self.osmosdr_source_0.set_freq_corr(0, 0)
self.osmosdr_source_0.set_dc_offset_mode(0, 0)
self.osmosdr_source_0.set_iq_balance_mode(0, 0)
self.osmosdr_source_0.set_gain_mode(0, 0)
self.osmosdr_source_0.set_gain(10, 0)
self.osmosdr_source_0.set_if_gain(20, 0)
self.osmosdr_source_0.set_bb_gain(20, 0)
self.osmosdr_source_0.set_antenna("", 0)
self.osmosdr_source_0.set_bandwidth(0, 0)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(
decimation,
(filter.firdes.low_pass(1.0, samp_rate*decimation, 300e3, 100e3)),
tune_offset,
samp_rate*decimation
)
self.digital_ofdm_rx_0 = digital.ofdm_rx(
fft_len=fft_len, cp_len=fft_len/4,
frame_length_tag_key='frame_'+"rx_len",
packet_length_tag_key="rx_len",
bps_header=1,
bps_payload=2,
debug_log=False,
scramble_bits=True
)
self.tagged_stream_to_pdu = blocks.tagged_stream_to_pdu(blocks.byte_t, 'rx_len')
self.pdu_receiver = fosdem.pdu_receiver()
##################################################
# Connections
##################################################
self.connect((self.osmosdr_source_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.digital_ofdm_rx_0, 0), self.tagged_stream_to_pdu)
self.msg_connect(self.tagged_stream_to_pdu, "pdus", self.pdu_receiver, "pdus")
def __init__(self):
gr.top_block.__init__(self, "Ofdm00")
Qt.QWidget.__init__(self)
self.setWindowTitle("Ofdm00")
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", "ofdm00")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 100000
self.packet_len = packet_len = 50
self.len_tag_key = len_tag_key = "packet_len"
self.fft_len = fft_len = 128
##################################################
# Blocks
##################################################
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
1 #number of inputs
)
self.qtgui_freq_sink_x_0.set_update_time(0.10)
self.qtgui_freq_sink_x_0.set_y_axis(-80, 10)
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_freq_sink_x_0_win)
self.digital_ofdm_tx_0 = digital.ofdm_tx(
fft_len=fft_len, cp_len=fft_len/4,
packet_length_tag_key=len_tag_key,
bps_header=1,
bps_payload=2,
rolloff=0,
debug_log=False,
scramble_bits=False
)
self.digital_ofdm_rx_0 = digital.ofdm_rx(
fft_len=fft_len, cp_len=fft_len/4,
frame_length_tag_key='frame_'+"rx_len",
packet_length_tag_key="rx_len",
bps_header=1,
bps_payload=2,
debug_log=False,
scramble_bits=False
)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
self.blocks_tag_debug_0 = blocks.tag_debug(gr.sizeof_char*1, "", ""); self.blocks_tag_debug_0.set_display(True)
self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(gr.sizeof_char, 1, packet_len, len_tag_key)
self.analog_random_source_x_0 = blocks.vector_source_b(map(int, numpy.random.randint(0, 256, 1000)), True)
##################################################
# Connections
##################################################
self.connect((self.digital_ofdm_tx_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.analog_random_source_x_0, 0), (self.blocks_stream_to_tagged_stream_0, 0))
self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.digital_ofdm_tx_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.digital_ofdm_rx_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.qtgui_freq_sink_x_0, 0))
self.connect((self.digital_ofdm_rx_0, 0), (self.blocks_tag_debug_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Xceiver")
Qt.QWidget.__init__(self)
self.setWindowTitle("Xceiver")
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", "XCEIVER")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.transistion = transistion = 1000
self.sync_word2 = sync_word2 = [0j, 0j, 0j, 0j, 0j, 0j, (-1+0j), (-1+0j), (-1+0j), (-1+0j), (1+0j), (1+0j), (-1+0j), (-1+0j), (-1+0j), (1+0j), (-1+0j), (1+0j), (1+0j), (1 +0j), (1+0j), (1+0j), (-1+0j), (-1+0j), (-1+0j), (-1+0j), (-1+0j), (1+0j), (-1+0j), (-1+0j), (1+0j), (-1+0j), 0j, (1+0j), (-1+0j), (1+0j), (1+0j), (1+0j), (-1+0j), (1+0j), (1+0j), (1+0j), (-1+0j), (1+0j), (1+0j), (1+0j), (1+0j), (-1+0j), (1+0j), (-1+0j), (-1+0j), (-1+0j), (1+0j), (-1+0j), (1+0j), (-1+0j), (-1+0j), (-1+0j), (-1+0j), 0j, 0j, 0j, 0j, 0j]
self.sync_word1 = sync_word1 = [0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 0., 0., 0., 0., 0.]
self.sideband_rx = sideband_rx = 4000
self.sideband = sideband = 4000
self.samp_rate = samp_rate = 48000
self.pilot_symbols = pilot_symbols = ((1, 1, 1, -1,),)
self.pilot_carriers = pilot_carriers = ((-21, -7, 7, 21,),)
self.packet_length_tag_key = packet_length_tag_key = "packet_len"
self.packet_len = packet_len = 8
self.occupied_carriers = occupied_carriers = (range(-26, -21) + range(-20, -7) + range(-6, 0) + range(1, 7) + range(8, 21) + range(22, 27),)
self.length_tag_key = length_tag_key = "packet_len"
self.fft_len = fft_len = 64
##################################################
# Blocks
##################################################
self.rational_resampler_xxx_0_0 = filter.rational_resampler_ccc(
interpolation=1,
decimation=220,
taps=None,
fractional_bw=None,
)
self.qtgui_sink_x_0_0 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"", #name
True, #plotfreq
True, #plotwaterfall
True, #plottime
True, #plotconst
)
self.qtgui_sink_x_0_0.set_update_time(1.0/10)
self._qtgui_sink_x_0_0_win = sip.wrapinstance(self.qtgui_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_sink_x_0_0_win)
self.qtgui_sink_x_0_0.enable_rf_freq(False)
self.freq_xlating_fir_filter_xxx_0_0 = filter.freq_xlating_fir_filter_ccc(1, (filter.firdes.low_pass(1, samp_rate, sideband_rx,1000)), 5000, samp_rate)
self.digital_ofdm_rx_0 = digital.ofdm_rx(
fft_len=fft_len, cp_len=fft_len/4,
frame_length_tag_key='frame_'+"length",
packet_length_tag_key="length",
occupied_carriers=occupied_carriers,
pilot_carriers=pilot_carriers,
pilot_symbols=pilot_symbols,
sync_word1=sync_word1,
sync_word2=sync_word2,
bps_header=1,
bps_payload=2,
debug_log=False,
scramble_bits=False
)
self.digital_hdlc_deframer_bp_0 = digital.hdlc_deframer_bp(4, 10)
self.blocks_packed_to_unpacked_xx_0 = blocks.packed_to_unpacked_bb(1, gr.GR_MSB_FIRST)
self.blocks_multiply_const_vxx_1 = blocks.multiply_const_vff((1, ))
self.blocks_message_debug_1 = blocks.message_debug()
self.blocks_float_to_complex_0 = blocks.float_to_complex(1)
self.audio_source_0 = audio.source(48000, "", True)
##################################################
# Connections
##################################################
self.msg_connect((self.digital_hdlc_deframer_bp_0, 'out'), (self.blocks_message_debug_1, 'print_pdu'))
self.connect((self.audio_source_0, 0), (self.blocks_multiply_const_vxx_1, 0))
self.connect((self.blocks_float_to_complex_0, 0), (self.freq_xlating_fir_filter_xxx_0_0, 0))
self.connect((self.blocks_multiply_const_vxx_1, 0), (self.blocks_float_to_complex_0, 0))
self.connect((self.blocks_packed_to_unpacked_xx_0, 0), (self.digital_hdlc_deframer_bp_0, 0))
self.connect((self.digital_ofdm_rx_0, 0), (self.blocks_packed_to_unpacked_xx_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0_0, 0), (self.qtgui_sink_x_0_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0_0, 0), (self.rational_resampler_xxx_0_0, 0))
self.connect((self.rational_resampler_xxx_0_0, 0), (self.digital_ofdm_rx_0, 0))
def __init__(self):
gr.top_block.__init__(self, "OFDM Transceiver")
Qt.QWidget.__init__(self)
self.setWindowTitle("OFDM Transceiver")
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", "ofdm_transceiver")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
self._lock = threading.RLock()
##################################################
# Variables
##################################################
self.pilot_symbols = pilot_symbols = ((1, 1, 1, -1,),)
self.pilot_carriers = pilot_carriers = ((-21, -7, 7, 21,),)
self.payload_mod = payload_mod = digital.constellation_qpsk()
self.packet_length_tag_key = packet_length_tag_key = "packet_len"
self.occupied_carriers = occupied_carriers = (range(-26, -21) + range(-20, -7) + range(-6, 0) + range(1, 7) + range(8, 21) + range(22, 27),)
self.length_tag_key = length_tag_key = "frame_len"
self.header_mod = header_mod = digital.constellation_bpsk()
self.fft_len = fft_len = 64
self.waterfall_min = waterfall_min = -140
self.waterfall_max = waterfall_max = -20
self.tx_gain = tx_gain = 0.01
self.th = th = 10**(-40/10)
self.sync_word2 = sync_word2 = [0j, 0j, 0j, 0j, 0j, 0j, (-1+0j), (-1+0j), (-1+0j), (-1+0j), (1+0j), (1+0j), (-1+0j), (-1+0j), (-1+0j), (1+0j), (-1+0j), (1+0j), (1+0j), (1 +0j), (1+0j), (1+0j), (-1+0j), (-1+0j), (-1+0j), (-1+0j), (-1+0j), (1+0j), (-1+0j), (-1+0j), (1+0j), (-1+0j), 0j, (1+0j), (-1+0j), (1+0j), (1+0j), (1+0j), (-1+0j), (1+0j), (1+0j), (1+0j), (-1+0j), (1+0j), (1+0j), (1+0j), (1+0j), (-1+0j), (1+0j), (-1+0j), (-1+0j), (-1+0j), (1+0j), (-1+0j), (1+0j), (-1+0j), (-1+0j), (-1+0j), (-1+0j), 0j, 0j, 0j, 0j, 0j]
self.sync_word1 = sync_word1 = [0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 0., 0., 0., 0., 0.]
self.size = size = 256
self.samp_rate = samp_rate = 2e6
self.period = period = 10
self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe(fft_len, payload_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols, 1)
self.nsamples = nsamples = 1000
self.header_formatter = header_formatter = digital.packet_header_ofdm(occupied_carriers, n_syms=1, len_tag_key=packet_length_tag_key, frame_len_tag_key=length_tag_key, bits_per_header_sym=header_mod.bits_per_symbol(), bits_per_payload_sym=payload_mod.bits_per_symbol(), scramble_header=False)
self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe(fft_len, header_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols)
self.center_freq = center_freq = 2.412e9
##################################################
# Blocks
##################################################
self.tab = Qt.QTabWidget()
self.tab_widget_0 = Qt.QWidget()
self.tab_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tab_widget_0)
self.tab_grid_layout_0 = Qt.QGridLayout()
self.tab_layout_0.addLayout(self.tab_grid_layout_0)
self.tab.addTab(self.tab_widget_0, "Spectrum")
self.tab_widget_1 = Qt.QWidget()
self.tab_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tab_widget_1)
self.tab_grid_layout_1 = Qt.QGridLayout()
self.tab_layout_1.addLayout(self.tab_grid_layout_1)
self.tab.addTab(self.tab_widget_1, "Settings")
self.top_layout.addWidget(self.tab)
self._waterfall_min_range = Range(-200, -50, 1, -140, 200)
self._waterfall_min_win = RangeWidget(self._waterfall_min_range, self.set_waterfall_min, "Waterfall Min", "counter_slider", float)
self.tab_layout_1.addWidget(self._waterfall_min_win)
self._waterfall_max_range = Range(-50, 0, 1, -20, 200)
self._waterfall_max_win = RangeWidget(self._waterfall_max_range, self.set_waterfall_max, "Waterfall Max", "counter_slider", float)
self.tab_layout_1.addWidget(self._waterfall_max_win)
self._samp_rate_options = [1.5e6, 2e6, 4e6, 5e6, 10e6, 20e6 ]
self._samp_rate_labels = ["1.5 MHz", "2 MHz", "4 MHz", "5 MHz", "10 MHz", "20 MHz"]
self._samp_rate_tool_bar = Qt.QToolBar(self)
self._samp_rate_tool_bar.addWidget(Qt.QLabel("Sample Rate [MHz]"+": "))
self._samp_rate_combo_box = Qt.QComboBox()
self._samp_rate_tool_bar.addWidget(self._samp_rate_combo_box)
for label in self._samp_rate_labels: self._samp_rate_combo_box.addItem(label)
self._samp_rate_callback = lambda i: Qt.QMetaObject.invokeMethod(self._samp_rate_combo_box, "setCurrentIndex", Qt.Q_ARG("int", self._samp_rate_options.index(i)))
self._samp_rate_callback(self.samp_rate)
self._samp_rate_combo_box.currentIndexChanged.connect(
lambda i: self.set_samp_rate(self._samp_rate_options[i]))
self.tab_layout_0.addWidget(self._samp_rate_tool_bar)
self._center_freq_options = [868e6, 2.412e9, 2.417e9, 2.422e9, 2.427e9, 2.432e9, 2.437e9, 2.442e9, 2.447e9, 2.452e9, 2.457e9, 2.462e9, 2.467e9, 2.472e9]
self._center_freq_labels = ["868M", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", "13"]
self._center_freq_tool_bar = Qt.QToolBar(self)
self._center_freq_tool_bar.addWidget(Qt.QLabel("Channel"+": "))
self._center_freq_combo_box = Qt.QComboBox()
self._center_freq_tool_bar.addWidget(self._center_freq_combo_box)
for label in self._center_freq_labels: self._center_freq_combo_box.addItem(label)
self._center_freq_callback = lambda i: Qt.QMetaObject.invokeMethod(self._center_freq_combo_box, "setCurrentIndex", Qt.Q_ARG("int", self._center_freq_options.index(i)))
self._center_freq_callback(self.center_freq)
self._center_freq_combo_box.currentIndexChanged.connect(
lambda i: self.set_center_freq(self._center_freq_options[i]))
self.top_layout.addWidget(self._center_freq_tool_bar)
self._tx_gain_range = Range(0, 1, 0.001, 0.01, 200)
self._tx_gain_win = RangeWidget(self._tx_gain_range, self.set_tx_gain, "TX Gain", "counter_slider", float)
self.top_layout.addWidget(self._tx_gain_win)
self._th_range = Range(10**(-80/10), 10**(-10/10), 0.0001, 10**(-40/10), 200)
self._th_win = RangeWidget(self._th_range, self.set_th, "Threshold", "counter_slider", float)
self.tab_layout_0.addWidget(self._th_win)
self.qtgui_waterfall_sink_x_0_0 = qtgui.waterfall_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
center_freq, #fc
samp_rate, #bw
"", #name
1 #number of inputs
)
self.qtgui_waterfall_sink_x_0_0.set_update_time(0.01)
self.qtgui_waterfall_sink_x_0_0.enable_grid(False)
if not True:
self.qtgui_waterfall_sink_x_0_0.disable_legend()
if complex == type(float()):
self.qtgui_waterfall_sink_x_0_0.set_plot_pos_half(not True)
labels = ["", "", "", "", "",
"", "", "", "", ""]
colors = [5, 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_waterfall_sink_x_0_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_waterfall_sink_x_0_0.set_line_label(i, labels[i])
self.qtgui_waterfall_sink_x_0_0.set_color_map(i, colors[i])
self.qtgui_waterfall_sink_x_0_0.set_line_alpha(i, alphas[i])
self.qtgui_waterfall_sink_x_0_0.set_intensity_range(waterfall_min, waterfall_max)
self._qtgui_waterfall_sink_x_0_0_win = sip.wrapinstance(self.qtgui_waterfall_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.tab_layout_0.addWidget(self._qtgui_waterfall_sink_x_0_0_win)
self._period_range = Range(1, 10000, 1, 10, 200)
self._period_win = RangeWidget(self._period_range, self.set_period, "Period", "counter_slider", float)
self.tab_layout_1.addWidget(self._period_win)
self.osmosdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + "bladerf=0" )
self.osmosdr_source_0.set_sample_rate(samp_rate)
self.osmosdr_source_0.set_center_freq(center_freq, 0)
self.osmosdr_source_0.set_freq_corr(0, 0)
self.osmosdr_source_0.set_dc_offset_mode(1, 0)
self.osmosdr_source_0.set_iq_balance_mode(1, 0)
self.osmosdr_source_0.set_gain_mode(False, 0)
self.osmosdr_source_0.set_gain(10, 0)
self.osmosdr_source_0.set_if_gain(20, 0)
self.osmosdr_source_0.set_bb_gain(20, 0)
self.osmosdr_source_0.set_antenna("", 0)
self.osmosdr_source_0.set_bandwidth(samp_rate, 0)
self.digital_ofdm_rx_0 = digital.ofdm_rx(
fft_len=64, cp_len=fft_len/4,
frame_length_tag_key='frame_'+packet_length_tag_key,
packet_length_tag_key=packet_length_tag_key,
occupied_carriers=occupied_carriers,
pilot_carriers=pilot_carriers,
pilot_symbols=pilot_symbols,
sync_word1=sync_word1,
sync_word2=sync_word2,
bps_header=1,
bps_payload=1,
debug_log=False,
scramble_bits=False
)
self.dc_blocker_xx_0 = filter.dc_blocker_cc(128, True)
self.blocks_tagged_stream_to_pdu_0 = blocks.tagged_stream_to_pdu(blocks.byte_t, packet_length_tag_key)
self.blocks_message_debug_0 = blocks.message_debug()
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_tagged_stream_to_pdu_0, 'pdus'), (self.blocks_message_debug_0, 'print_pdu'))
self.connect((self.dc_blocker_xx_0, 0), (self.digital_ofdm_rx_0, 0))
self.connect((self.dc_blocker_xx_0, 0), (self.qtgui_waterfall_sink_x_0_0, 0))
self.connect((self.digital_ofdm_rx_0, 0), (self.blocks_tagged_stream_to_pdu_0, 0))
self.connect((self.osmosdr_source_0, 0), (self.dc_blocker_xx_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Ofdm Rx")
Qt.QWidget.__init__(self)
self.setWindowTitle("Ofdm Rx")
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "ofdm_rx")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.tune_offset = tune_offset = 500e3
self.samp_rate = samp_rate = 500000
self.len_tag_key = len_tag_key = "packet_len"
self.fft_len = fft_len = 128
self.decimation = decimation = 4
##################################################
# Blocks
##################################################
self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
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_TAG, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "rx_len")
self._qtgui_time_sink_x_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_time_sink_x_0_win)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
1 #number of inputs
)
self.qtgui_freq_sink_x_0.set_update_time(0.10)
self.qtgui_freq_sink_x_0.set_y_axis(-140, 10)
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_freq_sink_x_0_win)
self.osmosdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + "" )
self.osmosdr_source_0.set_sample_rate(samp_rate*decimation)
self.osmosdr_source_0.set_center_freq(400e6-tune_offset, 0)
self.osmosdr_source_0.set_freq_corr(0, 0)
self.osmosdr_source_0.set_dc_offset_mode(0, 0)
self.osmosdr_source_0.set_iq_balance_mode(0, 0)
self.osmosdr_source_0.set_gain_mode(0, 0)
self.osmosdr_source_0.set_gain(10, 0)
self.osmosdr_source_0.set_if_gain(20, 0)
self.osmosdr_source_0.set_bb_gain(20, 0)
self.osmosdr_source_0.set_antenna("", 0)
self.osmosdr_source_0.set_bandwidth(0, 0)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(decimation, (firdes.low_pass(1.0, samp_rate*decimation, 300e3, 100e3)), tune_offset, samp_rate*decimation)
self.digital_ofdm_rx_0 = digital.ofdm_rx(
fft_len=fft_len, cp_len=fft_len/4,
frame_length_tag_key='frame_'+"rx_len",
packet_length_tag_key="rx_len",
bps_header=1,
bps_payload=2,
debug_log=False,
scramble_bits=True
)
self.blocks_uchar_to_float_0 = blocks.uchar_to_float()
self.blocks_tag_debug_0 = blocks.tag_debug(gr.sizeof_char*1, "Rx Packets", ""); self.blocks_tag_debug_0.set_display(True)
##################################################
# Connections
##################################################
self.connect((self.blocks_uchar_to_float_0, 0), (self.qtgui_time_sink_x_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.qtgui_freq_sink_x_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.digital_ofdm_rx_0, 0))
self.connect((self.digital_ofdm_rx_0, 0), (self.blocks_uchar_to_float_0, 0))
self.connect((self.digital_ofdm_rx_0, 0), (self.blocks_tag_debug_0, 0))
self.connect((self.osmosdr_source_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Ofdm02")
Qt.QWidget.__init__(self)
self.setWindowTitle("Ofdm02")
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", "ofdm02")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.timing = timing = 1.0001
self.samp_rate = samp_rate = 100000
self.packet_len = packet_len = 50
self.noise = noise = 0.01
self.len_tag_key = len_tag_key = "packet_len"
self.freq = freq = 0.01
self.fft_len = fft_len = 128
##################################################
# Blocks
##################################################
self._timing_layout = Qt.QVBoxLayout()
self._timing_tool_bar = Qt.QToolBar(self)
self._timing_layout.addWidget(self._timing_tool_bar)
self._timing_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._timing_counter = qwt_counter_pyslot()
self._timing_counter.setRange(0.999, 1.001, 0.0001)
self._timing_counter.setNumButtons(2)
self._timing_counter.setValue(self.timing)
self._timing_tool_bar.addWidget(self._timing_counter)
self._timing_counter.valueChanged.connect(self.set_timing)
self._timing_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._timing_slider.setRange(0.999, 1.001, 0.0001)
self._timing_slider.setValue(self.timing)
self._timing_slider.setMinimumWidth(200)
self._timing_slider.valueChanged.connect(self.set_timing)
self._timing_layout.addWidget(self._timing_slider)
self.top_grid_layout.addLayout(self._timing_layout, 2,0,1,1)
self._noise_layout = Qt.QVBoxLayout()
self._noise_tool_bar = Qt.QToolBar(self)
self._noise_layout.addWidget(self._noise_tool_bar)
self._noise_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_counter = qwt_counter_pyslot()
self._noise_counter.setRange(0, 3, 0.01)
self._noise_counter.setNumButtons(2)
self._noise_counter.setValue(self.noise)
self._noise_tool_bar.addWidget(self._noise_counter)
self._noise_counter.valueChanged.connect(self.set_noise)
self._noise_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._noise_slider.setRange(0, 3, 0.01)
self._noise_slider.setValue(self.noise)
self._noise_slider.setMinimumWidth(200)
self._noise_slider.valueChanged.connect(self.set_noise)
self._noise_layout.addWidget(self._noise_slider)
self.top_grid_layout.addLayout(self._noise_layout, 1,0,1,1)
self._freq_layout = Qt.QVBoxLayout()
self._freq_tool_bar = Qt.QToolBar(self)
self._freq_layout.addWidget(self._freq_tool_bar)
self._freq_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_counter = qwt_counter_pyslot()
self._freq_counter.setRange(-1, 1, 0.01)
self._freq_counter.setNumButtons(2)
self._freq_counter.setValue(self.freq)
self._freq_tool_bar.addWidget(self._freq_counter)
self._freq_counter.valueChanged.connect(self.set_freq)
self._freq_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._freq_slider.setRange(-1, 1, 0.01)
self._freq_slider.setValue(self.freq)
self._freq_slider.setMinimumWidth(200)
self._freq_slider.valueChanged.connect(self.set_freq)
self._freq_layout.addWidget(self._freq_slider)
self.top_grid_layout.addLayout(self._freq_layout, 1,1,1,1)
self.qtgui_waterfall_sink_x_0 = qtgui.waterfall_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
1 #number of inputs
)
self.qtgui_waterfall_sink_x_0.set_update_time(0.10)
self._qtgui_waterfall_sink_x_0_win = sip.wrapinstance(self.qtgui_waterfall_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_waterfall_sink_x_0_win, 0,1,1,1)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
1 #number of inputs
)
self.qtgui_freq_sink_x_0.set_update_time(0.10)
self.qtgui_freq_sink_x_0.set_y_axis(-80, 10)
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win, 0,0,1,1)
self.digital_ofdm_tx_0 = digital.ofdm_tx(
fft_len=fft_len, cp_len=fft_len/4,
packet_length_tag_key=len_tag_key,
bps_header=1,
bps_payload=2,
rolloff=0,
debug_log=False,
scramble_bits=False
)
self.digital_ofdm_rx_0 = digital.ofdm_rx(
fft_len=fft_len, cp_len=fft_len/4,
frame_length_tag_key='frame_'+"rx_len",
packet_length_tag_key="rx_len",
bps_header=1,
bps_payload=2,
debug_log=False,
scramble_bits=False
)
self.channels_fading_model_0 = channels.fading_model( 8, 10.0/samp_rate, False, 4.0, 0 )
self.channels_channel_model_0 = channels.channel_model(
noise_voltage=noise,
frequency_offset=freq,
epsilon=timing,
taps=(1.0, ),
noise_seed=0,
block_tags=False
)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
self.blocks_tag_debug_0 = blocks.tag_debug(gr.sizeof_char*1, "", ""); self.blocks_tag_debug_0.set_display(True)
self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(gr.sizeof_char, 1, packet_len, len_tag_key)
self.analog_random_source_x_0 = blocks.vector_source_b(map(int, numpy.random.randint(0, 256, 1000)), True)
##################################################
# Connections
##################################################
self.connect((self.digital_ofdm_tx_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.analog_random_source_x_0, 0), (self.blocks_stream_to_tagged_stream_0, 0))
self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.digital_ofdm_tx_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.channels_fading_model_0, 0))
self.connect((self.channels_fading_model_0, 0), (self.channels_channel_model_0, 0))
self.connect((self.channels_channel_model_0, 0), (self.digital_ofdm_rx_0, 0))
self.connect((self.channels_channel_model_0, 0), (self.qtgui_freq_sink_x_0, 0))
self.connect((self.channels_channel_model_0, 0), (self.qtgui_waterfall_sink_x_0, 0))
self.connect((self.digital_ofdm_rx_0, 0), (self.blocks_tag_debug_0, 0))
def __init__(self):
gr.top_block.__init__(self, "OFDM Transceiver")
self._lock = threading.RLock()
##################################################
# Variables
##################################################
self.sent_pkt = 0
self.rcv_pkt = 0
self.pilot_symbols = pilot_symbols = ((1, 1, 1, -1,),)
self.pilot_carriers = pilot_carriers = ((-21, -7, 7, 21,),)
self.payload_mod = payload_mod = digital.constellation_qpsk()
self.packet_length_tag_key = packet_length_tag_key = "packet_len"
self.occupied_carriers = occupied_carriers = (range(-26, -21) + range(-20, -7) + range(-6, 0) + range(1, 7) + range(8, 21) + range(22, 27),)
self.length_tag_key = length_tag_key = "frame_len"
self.header_mod = header_mod = digital.constellation_bpsk()
self.fft_len = fft_len = 64
self.waterfall_min = waterfall_min = -80
self.waterfall_max = waterfall_max = -20
self.tx_gain = tx_gain = 0.03
self.sync_word2 = sync_word2 = [0j, 0j, 0j, 0j, 0j, 0j, (-1+0j), (-1+0j), (-1+0j), (-1+0j), (1+0j), (1+0j), (-1+0j), (-1+0j), (-1+0j), (1+0j), (-1+0j), (1+0j), (1+0j), (1 +0j), (1+0j), (1+0j), (-1+0j), (-1+0j), (-1+0j), (-1+0j), (-1+0j), (1+0j), (-1+0j), (-1+0j), (1+0j), (-1+0j), 0j, (1+0j), (-1+0j), (1+0j), (1+0j), (1+0j), (-1+0j), (1+0j), (1+0j), (1+0j), (-1+0j), (1+0j), (1+0j), (1+0j), (1+0j), (-1+0j), (1+0j), (-1+0j), (-1+0j), (-1+0j), (1+0j), (-1+0j), (1+0j), (-1+0j), (-1+0j), (-1+0j), (-1+0j), 0j, 0j, 0j, 0j, 0j]
self.sync_word1 = sync_word1 = [0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 0., 0., 0., 0., 0.]
self.samp_rate = samp_rate = 20e6
self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe(fft_len, payload_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols, 1)
self.header_formatter = header_formatter = digital.packet_header_ofdm(occupied_carriers, n_syms=1, len_tag_key=packet_length_tag_key, frame_len_tag_key=length_tag_key, bits_per_header_sym=header_mod.bits_per_symbol(), bits_per_payload_sym=payload_mod.bits_per_symbol(), scramble_header=False)
self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe(fft_len, header_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols)
self.center_freq = center_freq = 2.412e9
##################################################
# Blocks
##################################################
self.osmosdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + "bladerf=1" )
self.osmosdr_source_0.set_sample_rate(samp_rate)
self.osmosdr_source_0.set_center_freq(center_freq, 0)
self.osmosdr_source_0.set_freq_corr(0, 0)
self.osmosdr_source_0.set_dc_offset_mode(1, 0)
self.osmosdr_source_0.set_iq_balance_mode(1, 0)
self.osmosdr_source_0.set_gain_mode(False, 0)
self.osmosdr_source_0.set_gain(10, 0)
self.osmosdr_source_0.set_if_gain(20, 0)
self.osmosdr_source_0.set_bb_gain(20, 0)
self.osmosdr_source_0.set_antenna("", 0)
self.osmosdr_source_0.set_bandwidth(samp_rate, 0)
self.osmosdr_sink_0 = osmosdr.sink( args="numchan=" + str(1) + " " + "bladerf=0" )
self.osmosdr_sink_0.set_sample_rate(samp_rate)
self.osmosdr_sink_0.set_center_freq(center_freq, 0)
self.osmosdr_sink_0.set_freq_corr(10, 0)
self.osmosdr_sink_0.set_gain(20, 0)
self.osmosdr_sink_0.set_if_gain(20, 0)
self.osmosdr_sink_0.set_bb_gain(0, 0)
self.osmosdr_sink_0.set_antenna("", 0)
self.osmosdr_sink_0.set_bandwidth(samp_rate, 0)
self.digital_ofdm_tx_0 = digital.ofdm_tx(
fft_len=64, cp_len=fft_len/4,
packet_length_tag_key=packet_length_tag_key,
occupied_carriers=occupied_carriers,
pilot_carriers=pilot_carriers,
pilot_symbols=pilot_symbols,
sync_word1=sync_word1,
sync_word2=sync_word2,
bps_header=1,
bps_payload=1,
rolloff=0,
debug_log=True,
scramble_bits=False
)
self.digital_ofdm_rx_0 = digital.ofdm_rx(
fft_len=64, cp_len=fft_len/4,
frame_length_tag_key='frame_'+packet_length_tag_key,
packet_length_tag_key=packet_length_tag_key,
occupied_carriers=occupied_carriers,
pilot_carriers=pilot_carriers,
pilot_symbols=pilot_symbols,
sync_word1=sync_word1,
sync_word2=sync_word2,
bps_header=1,
bps_payload=1,
debug_log=False,
scramble_bits=False
)
self.dc_blocker_xx_0 = filter.dc_blocker_cc(1024, False)
self.blocks_tagged_stream_to_pdu_0 = blocks.tagged_stream_to_pdu(blocks.byte_t, packet_length_tag_key)
self.blocks_pdu_to_tagged_stream_0 = blocks.pdu_to_tagged_stream(blocks.byte_t, packet_length_tag_key)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((tx_gain, ))
self.blocks_message_debug_0 = blocks.message_debug()
self.pdu_block = messaging.pdu_block(self)
##################################################
# Connections
##################################################
self.msg_connect((self.pdu_block, 'out_pdu'), (self.blocks_pdu_to_tagged_stream_0, 'pdus'))
self.msg_connect((self.blocks_tagged_stream_to_pdu_0, 'pdus'), (self.pdu_block, 'in_pdu'))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.osmosdr_sink_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_0, 0), (self.digital_ofdm_tx_0, 0))
self.connect((self.dc_blocker_xx_0, 0), (self.digital_ofdm_rx_0, 0))
self.connect((self.digital_ofdm_rx_0, 0), (self.blocks_tagged_stream_to_pdu_0, 0))
self.connect((self.digital_ofdm_tx_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.osmosdr_source_0, 0), (self.dc_blocker_xx_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Ofdm03")
Qt.QWidget.__init__(self)
self.setWindowTitle("Ofdm03")
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", "ofdm03")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.timing = timing = 1.0001
self.samp_rate = samp_rate = 32000
self.packet_len = packet_len = 50
self.noise = noise = 0.01
self.len_tag_key = len_tag_key = "packet_len"
self.freq = freq = 0.01
self.fft_len = fft_len = 128
##################################################
# Blocks
##################################################
self._timing_layout = Qt.QVBoxLayout()
self._timing_tool_bar = Qt.QToolBar(self)
self._timing_layout.addWidget(self._timing_tool_bar)
self._timing_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._timing_counter = qwt_counter_pyslot()
self._timing_counter.setRange(0.999, 1.001, 0.0001)
self._timing_counter.setNumButtons(2)
self._timing_counter.setValue(self.timing)
self._timing_tool_bar.addWidget(self._timing_counter)
self._timing_counter.valueChanged.connect(self.set_timing)
self._timing_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._timing_slider.setRange(0.999, 1.001, 0.0001)
self._timing_slider.setValue(self.timing)
self._timing_slider.setMinimumWidth(200)
self._timing_slider.valueChanged.connect(self.set_timing)
self._timing_layout.addWidget(self._timing_slider)
self.top_grid_layout.addLayout(self._timing_layout, 2,0,1,1)
self._noise_layout = Qt.QVBoxLayout()
self._noise_tool_bar = Qt.QToolBar(self)
self._noise_layout.addWidget(self._noise_tool_bar)
self._noise_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_counter = qwt_counter_pyslot()
self._noise_counter.setRange(0, 1, 0.01)
self._noise_counter.setNumButtons(2)
self._noise_counter.setValue(self.noise)
self._noise_tool_bar.addWidget(self._noise_counter)
self._noise_counter.valueChanged.connect(self.set_noise)
self._noise_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._noise_slider.setRange(0, 1, 0.01)
self._noise_slider.setValue(self.noise)
self._noise_slider.setMinimumWidth(200)
self._noise_slider.valueChanged.connect(self.set_noise)
self._noise_layout.addWidget(self._noise_slider)
self.top_grid_layout.addLayout(self._noise_layout, 1,0,1,1)
self._freq_layout = Qt.QVBoxLayout()
self._freq_tool_bar = Qt.QToolBar(self)
self._freq_layout.addWidget(self._freq_tool_bar)
self._freq_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_counter = qwt_counter_pyslot()
self._freq_counter.setRange(-1, 1, 0.01)
self._freq_counter.setNumButtons(2)
self._freq_counter.setValue(self.freq)
self._freq_tool_bar.addWidget(self._freq_counter)
self._freq_counter.valueChanged.connect(self.set_freq)
self._freq_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._freq_slider.setRange(-1, 1, 0.01)
self._freq_slider.setValue(self.freq)
self._freq_slider.setMinimumWidth(200)
self._freq_slider.valueChanged.connect(self.set_freq)
self._freq_layout.addWidget(self._freq_slider)
self.top_grid_layout.addLayout(self._freq_layout, 1,1,1,1)
self.qtgui_waterfall_sink_x_0 = qtgui.waterfall_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
1 #number of inputs
)
self.qtgui_waterfall_sink_x_0.set_update_time(0.10)
self._qtgui_waterfall_sink_x_0_win = sip.wrapinstance(self.qtgui_waterfall_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_waterfall_sink_x_0_win, 0,1,1,1)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
1 #number of inputs
)
self.qtgui_freq_sink_x_0.set_update_time(0.10)
self.qtgui_freq_sink_x_0.set_y_axis(-80, 10)
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win, 0,0,1,1)
self.digital_ofdm_tx_0 = digital.ofdm_tx(
fft_len=fft_len, cp_len=fft_len/4,
packet_length_tag_key=len_tag_key,
bps_header=1,
bps_payload=2,
rolloff=0,
debug_log=False,
scramble_bits=False
)
self.digital_ofdm_rx_0 = digital.ofdm_rx(
fft_len=fft_len, cp_len=fft_len/4,
frame_length_tag_key='frame_'+"rx_len",
packet_length_tag_key="rx_len",
bps_header=1,
bps_payload=2,
debug_log=False,
scramble_bits=False
)
self.channels_selective_fading_model_0 = channels.selective_fading_model( 8, 10.0/samp_rate, False, 4.0, 0, (-0.0025, -0.00125, 0.0, 0.00125, 0.0025, 0.00375, 0.005, 0.00625, 0.0075, 0.00875, 0.01, 0.01125, 0.0125, 0.015, 0.01625, 0.0175, 0.01875, 0.02, 0.02125, 0.0225, 0.02375, 0.025, 0.0275, 0.02875, 0.03, 0.03125, 0.0325, 0.03375, 0.035, 0.03625, 0.0375, 0.03875, 0.04, 0.04125, 0.0425, 0.04375, 0.045, 0.04625, 0.0475, 0.05125, 0.0525, 0.055, 0.05625, 0.0575, 0.06, 0.06375, 0.065, 0.06625, 0.0675, 0.06875, 0.0725, 0.08, 0.08125, 0.085, 0.08625, 0.0875, 0.08875, 0.09125, 0.0925, 0.09375, 0.095, 0.09875, 0.1, 0.1075, 0.10875, 0.11, 0.11125, 0.13125, 0.1325), (0.16529889, 0.46954084, 0.58274825, 0.24561255, 0.50459457, 0.69767633, 1.0, 0.77724474, 0.48675226, 0.46954084, 0.21267289, 0.19090106, 0.31600413, 0.45293801, 0.8057353, 0.64920938, 0.50459457, 0.1978987, 0.35204369, 0.54226525, 0.31600413, 0.15945397, 0.2204686, 0.35204369, 0.37832563, 0.37832563, 0.36494815, 0.2204686, 0.17763933, 0.45293801, 0.52309091, 0.52309091, 0.46954084, 0.35204369, 0.40656966, 0.25461568, 0.23692776, 0.32758753, 0.1978987, 0.21267289, 0.2204686, 0.19090106, 0.24561255, 0.17135806, 0.21267289, 0.16529889, 0.2204686, 0.30483032, 0.33959553, 0.18415085, 0.18415085, 0.22855006, 0.2940516, 0.19090106, 0.17135806, 0.18415085, 0.1978987, 0.17763933, 0.15945397, 0.26394884, 0.24561255, 0.21267289, 0.19090106, 0.17763933, 0.2204686, 0.21267289, 0.17135806, 0.17135806, 0.16529889), 8 )
self.channels_channel_model_0 = channels.channel_model(
noise_voltage=noise,
frequency_offset=freq,
epsilon=timing,
taps=(1.0, ),
noise_seed=0,
block_tags=False
)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
self.blocks_tag_debug_0 = blocks.tag_debug(gr.sizeof_char*1, "", ""); self.blocks_tag_debug_0.set_display(True)
self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(gr.sizeof_char, 1, packet_len, len_tag_key)
self.analog_random_source_x_0 = blocks.vector_source_b(map(int, numpy.random.randint(0, 256, 1000)), True)
##################################################
# Connections
##################################################
self.connect((self.digital_ofdm_rx_0, 0), (self.blocks_tag_debug_0, 0))
self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.digital_ofdm_tx_0, 0))
self.connect((self.digital_ofdm_tx_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.channels_selective_fading_model_0, 0), (self.channels_channel_model_0, 0))
self.connect((self.channels_channel_model_0, 0), (self.qtgui_waterfall_sink_x_0, 0))
self.connect((self.channels_channel_model_0, 0), (self.qtgui_freq_sink_x_0, 0))
self.connect((self.channels_channel_model_0, 0), (self.digital_ofdm_rx_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.channels_selective_fading_model_0, 0))
self.connect((self.analog_random_source_x_0, 0), (self.blocks_stream_to_tagged_stream_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Ofdm05")
Qt.QWidget.__init__(self)
self.setWindowTitle("Ofdm05")
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", "ofdm05")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.timing = timing = 1.0001
self.samp_rate = samp_rate = 7.68e6
self.q_offset = q_offset = 0
self.phase_noise = phase_noise = 0
self.packet_len = packet_len = 50
self.noise = noise = 1.2
self.len_tag_key = len_tag_key = "packet_len"
self.iq_ph = iq_ph = 0
self.iq_mag = iq_mag = 0
self.i_offset = i_offset = 0
self.freq = freq = 0.01
self.fft_len = fft_len = 128
self.dist3 = dist3 = 0
self.dist2 = dist2 = 0
##################################################
# Blocks
##################################################
self._timing_layout = Qt.QVBoxLayout()
self._timing_label = Qt.QLabel("Timing Offset")
self._timing_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._timing_slider.setRange(0.999, 1.001, 0.0001)
self._timing_slider.setValue(self.timing)
self._timing_slider.setMinimumWidth(200)
self._timing_slider.valueChanged.connect(self.set_timing)
self._timing_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
self._timing_layout.addWidget(self._timing_label)
self._timing_layout.addWidget(self._timing_slider)
self.top_grid_layout.addLayout(self._timing_layout, 1,2,1,1)
self._q_offset_layout = Qt.QVBoxLayout()
self._q_offset_label = Qt.QLabel("Quadrature Offset")
self._q_offset_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._q_offset_slider.setRange(-1, 1, 0.01)
self._q_offset_slider.setValue(self.q_offset)
self._q_offset_slider.setMinimumWidth(200)
self._q_offset_slider.valueChanged.connect(self.set_q_offset)
self._q_offset_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
self._q_offset_layout.addWidget(self._q_offset_label)
self._q_offset_layout.addWidget(self._q_offset_slider)
self.top_grid_layout.addLayout(self._q_offset_layout, 2,3,1,1)
self._phase_noise_layout = Qt.QVBoxLayout()
self._phase_noise_label = Qt.QLabel("Phase Noise")
self._phase_noise_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._phase_noise_slider.setRange(0, 40, 0.5)
self._phase_noise_slider.setValue(self.phase_noise)
self._phase_noise_slider.setMinimumWidth(200)
self._phase_noise_slider.valueChanged.connect(self.set_phase_noise)
self._phase_noise_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
self._phase_noise_layout.addWidget(self._phase_noise_label)
self._phase_noise_layout.addWidget(self._phase_noise_slider)
self.top_grid_layout.addLayout(self._phase_noise_layout, 1,3,1,1)
self._noise_layout = Qt.QVBoxLayout()
self._noise_label = Qt.QLabel("Noise Voltage")
self._noise_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._noise_slider.setRange(0, 2, 0.01)
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, 1,0,1,1)
self._iq_ph_layout = Qt.QVBoxLayout()
self._iq_ph_label = Qt.QLabel("IQ Phase Imbalance")
self._iq_ph_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._iq_ph_slider.setRange(-3.14, 3.14, 0.01)
self._iq_ph_slider.setValue(self.iq_ph)
self._iq_ph_slider.setMinimumWidth(200)
self._iq_ph_slider.valueChanged.connect(self.set_iq_ph)
self._iq_ph_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
self._iq_ph_layout.addWidget(self._iq_ph_label)
self._iq_ph_layout.addWidget(self._iq_ph_slider)
self.top_grid_layout.addLayout(self._iq_ph_layout, 2,1,1,1)
self._iq_mag_layout = Qt.QVBoxLayout()
self._iq_mag_label = Qt.QLabel("IQ Mag. Imbalance")
self._iq_mag_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._iq_mag_slider.setRange(0, 1, 0.01)
self._iq_mag_slider.setValue(self.iq_mag)
self._iq_mag_slider.setMinimumWidth(200)
self._iq_mag_slider.valueChanged.connect(self.set_iq_mag)
self._iq_mag_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
self._iq_mag_layout.addWidget(self._iq_mag_label)
self._iq_mag_layout.addWidget(self._iq_mag_slider)
self.top_grid_layout.addLayout(self._iq_mag_layout, 2,0,1,1)
self._i_offset_layout = Qt.QVBoxLayout()
self._i_offset_label = Qt.QLabel("Inphase Offset")
self._i_offset_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._i_offset_slider.setRange(-1, 1, 0.01)
self._i_offset_slider.setValue(self.i_offset)
self._i_offset_slider.setMinimumWidth(200)
self._i_offset_slider.valueChanged.connect(self.set_i_offset)
self._i_offset_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
self._i_offset_layout.addWidget(self._i_offset_label)
self._i_offset_layout.addWidget(self._i_offset_slider)
self.top_grid_layout.addLayout(self._i_offset_layout, 2,2,1,1)
self._freq_layout = Qt.QVBoxLayout()
self._freq_label = Qt.QLabel("Frequency Offset")
self._freq_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._freq_slider.setRange(-1, 1, 0.01)
self._freq_slider.setValue(self.freq)
self._freq_slider.setMinimumWidth(200)
self._freq_slider.valueChanged.connect(self.set_freq)
self._freq_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
self._freq_layout.addWidget(self._freq_label)
self._freq_layout.addWidget(self._freq_slider)
self.top_grid_layout.addLayout(self._freq_layout, 1,1,1,1)
self._dist3_layout = Qt.QVBoxLayout()
self._dist3_label = Qt.QLabel("Third Order Dist")
self._dist3_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._dist3_slider.setRange(0, 0.1, 0.0001)
self._dist3_slider.setValue(self.dist3)
self._dist3_slider.setMinimumWidth(200)
self._dist3_slider.valueChanged.connect(self.set_dist3)
self._dist3_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
self._dist3_layout.addWidget(self._dist3_label)
self._dist3_layout.addWidget(self._dist3_slider)
self.top_grid_layout.addLayout(self._dist3_layout, 3,1,1,1)
self._dist2_layout = Qt.QVBoxLayout()
self._dist2_label = Qt.QLabel("2nd Order Dist.")
self._dist2_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._dist2_slider.setRange(0, 0.1, 0.0001)
self._dist2_slider.setValue(self.dist2)
self._dist2_slider.setMinimumWidth(200)
self._dist2_slider.valueChanged.connect(self.set_dist2)
self._dist2_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
self._dist2_layout.addWidget(self._dist2_label)
self._dist2_layout.addWidget(self._dist2_slider)
self.top_grid_layout.addLayout(self._dist2_layout, 3,0,1,1)
self.qtgui_waterfall_sink_x_0 = qtgui.waterfall_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
1 #number of inputs
)
self.qtgui_waterfall_sink_x_0.set_update_time(0.10)
self._qtgui_waterfall_sink_x_0_win = sip.wrapinstance(self.qtgui_waterfall_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_waterfall_sink_x_0_win, 0,2,1,2)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
1 #number of inputs
)
self.qtgui_freq_sink_x_0.set_update_time(0.10)
self.qtgui_freq_sink_x_0.set_y_axis(-80, 10)
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win, 0,0,1,2)
self.digital_ofdm_tx_0 = digital.ofdm_tx(
fft_len=fft_len, cp_len=fft_len/4,
packet_length_tag_key=len_tag_key,
bps_header=1,
bps_payload=2,
rolloff=0,
debug_log=False,
scramble_bits=False
)
self.digital_ofdm_rx_0 = digital.ofdm_rx(
fft_len=fft_len, cp_len=fft_len/4,
frame_length_tag_key='frame_'+"rx_len",
packet_length_tag_key="rx_len",
bps_header=1,
bps_payload=2,
debug_log=False,
scramble_bits=False
)
self.channels_impairments_0 = channels.impairments(phase_noise, iq_mag, iq_ph, q_offset, i_offset, 0, dist2, dist3)
self.channels_channel_model_0 = channels.channel_model(
noise_voltage=noise,
frequency_offset=freq,
epsilon=timing,
taps=(1.0, ),
noise_seed=0,
block_tags=False
)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
self.blocks_tag_debug_0 = blocks.tag_debug(gr.sizeof_char*1, "", "packet_num"); self.blocks_tag_debug_0.set_display(True)
self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(gr.sizeof_char, 1, packet_len, len_tag_key)
self.analog_random_source_x_0 = blocks.vector_source_b(map(int, numpy.random.randint(0, 256, 1000)), True)
##################################################
# Connections
##################################################
self.connect((self.digital_ofdm_tx_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.channels_impairments_0, 0), (self.digital_ofdm_rx_0, 0))
self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.digital_ofdm_tx_0, 0))
self.connect((self.analog_random_source_x_0, 0), (self.blocks_stream_to_tagged_stream_0, 0))
self.connect((self.channels_channel_model_0, 0), (self.channels_impairments_0, 0))
self.connect((self.channels_impairments_0, 0), (self.qtgui_waterfall_sink_x_0, 0))
self.connect((self.channels_impairments_0, 0), (self.qtgui_freq_sink_x_0, 0))
self.connect((self.digital_ofdm_rx_0, 0), (self.blocks_tag_debug_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.channels_channel_model_0, 0))
def __init__(self):
gr.top_block.__init__(self, "OFDM PU Phy")
Qt.QWidget.__init__(self)
self.setWindowTitle("OFDM PU Phy")
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", "ofdm_trans")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 10e6
self.usrp_samp_rate = usrp_samp_rate = 10e6
self.taps = taps = filter.firdes.low_pass(1,samp_rate, 0.98e6,0.5e6)
self.sync_word2 = sync_word2 = [0, 0, 0, 0, 0, 0, -1, -1, -1, -1, 1, 1, -1, -1, -1, 1, -1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, 1, -1, -1, 1, -1, 0, 1, -1, 1, 1, 1, -1, 1, 1, 1, -1, 1, 1, 1, 1, -1, 1, -1, -1, -1, 1, -1, 1, -1, -1, -1, -1, 0, 0, 0, 0, 0]
self.sync_word1 = sync_word1 = [0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 0., 0., 0., 0., 0.]
self.pilot_symbols = pilot_symbols = ((1, 1, 1, -1,),)
self.pilot_carriers = pilot_carriers = ((-21, -7, 7, 21,),)
self.packet_len = packet_len = 64
self.occupied_carriers = occupied_carriers = (range(-26, -21) + range(-20, -7) + range(-6, 0) + range(1, 7) + range(8, 21) + range(22, 27),)
self.len_tag_key = len_tag_key = "packet_len"
self.interp_factor = interp_factor = 5
self.fft_len = fft_len = 64
self.decim_factor = decim_factor = 1
##################################################
# Blocks
##################################################
self.rational_resampler_xxx_0_0_1_1 = filter.rational_resampler_ccc(
interpolation=interp_factor,
decimation=decim_factor,
taps=(taps),
fractional_bw=None,
)
self.rational_resampler_xxx_0_0_1_0 = filter.rational_resampler_ccc(
interpolation=interp_factor,
decimation=decim_factor,
taps=(taps),
fractional_bw=None,
)
self.rational_resampler_xxx_0_0_1 = filter.rational_resampler_ccc(
interpolation=interp_factor,
decimation=decim_factor,
taps=(taps),
fractional_bw=None,
)
self.rational_resampler_xxx_0_0 = filter.rational_resampler_ccc(
interpolation=interp_factor,
decimation=decim_factor,
taps=(taps),
fractional_bw=None,
)
self.freq_xlating_fft_filter_ccc_0_2 = filter.freq_xlating_fft_filter_ccc(interp_factor, (filter.firdes.low_pass(1,usrp_samp_rate, samp_rate/2.0*.98, 0.5e6)), -3.75e6, usrp_samp_rate)
self.freq_xlating_fft_filter_ccc_0_2.set_nthreads(4)
self.freq_xlating_fft_filter_ccc_0_2.declare_sample_delay(0)
self.freq_xlating_fft_filter_ccc_0_1 = filter.freq_xlating_fft_filter_ccc(interp_factor, (filter.firdes.low_pass(1,usrp_samp_rate, samp_rate/2.0*0.98, 0.5e6)), 3.75e6, usrp_samp_rate)
self.freq_xlating_fft_filter_ccc_0_1.set_nthreads(4)
self.freq_xlating_fft_filter_ccc_0_1.declare_sample_delay(0)
self.freq_xlating_fft_filter_ccc_0_0 = filter.freq_xlating_fft_filter_ccc(interp_factor, (filter.firdes.low_pass(1,usrp_samp_rate, samp_rate/2.0*0.98, 0.5e6)), -1.25e6, usrp_samp_rate)
self.freq_xlating_fft_filter_ccc_0_0.set_nthreads(4)
self.freq_xlating_fft_filter_ccc_0_0.declare_sample_delay(0)
self.freq_xlating_fft_filter_ccc_0 = filter.freq_xlating_fft_filter_ccc(interp_factor, (filter.firdes.low_pass(1,usrp_samp_rate, samp_rate/2.0*0.98, 0.5e6)), 1.25e6, usrp_samp_rate)
self.freq_xlating_fft_filter_ccc_0.set_nthreads(4)
self.freq_xlating_fft_filter_ccc_0.declare_sample_delay(0)
self.digital_ofdm_tx_0 = digital.ofdm_tx(
fft_len=fft_len, cp_len=fft_len/4,
packet_length_tag_key=len_tag_key,
occupied_carriers=occupied_carriers,
pilot_carriers=pilot_carriers,
pilot_symbols=pilot_symbols,
sync_word1=sync_word1,
sync_word2=sync_word2,
bps_header=1,
bps_payload=2,
rolloff=0,
debug_log=False,
scramble_bits=False
)
self.digital_ofdm_rx_0_2 = digital.ofdm_rx(
fft_len=fft_len, cp_len=fft_len/4,
frame_length_tag_key='frame_'+"rx_len",
packet_length_tag_key="rx_len",
occupied_carriers=occupied_carriers,
pilot_carriers=pilot_carriers,
pilot_symbols=pilot_symbols,
sync_word1=sync_word1,
sync_word2=sync_word2,
bps_header=1,
bps_payload=2,
debug_log=False,
scramble_bits=False
)
self.digital_ofdm_rx_0_1 = digital.ofdm_rx(
fft_len=fft_len, cp_len=fft_len/4,
frame_length_tag_key='frame_'+"rx_len",
packet_length_tag_key="rx_len",
occupied_carriers=occupied_carriers,
pilot_carriers=pilot_carriers,
pilot_symbols=pilot_symbols,
sync_word1=sync_word1,
sync_word2=sync_word2,
bps_header=1,
bps_payload=2,
debug_log=False,
scramble_bits=False
)
self.digital_ofdm_rx_0_0 = digital.ofdm_rx(
fft_len=fft_len, cp_len=fft_len/4,
frame_length_tag_key='frame_'+"rx_len",
packet_length_tag_key="rx_len",
occupied_carriers=occupied_carriers,
pilot_carriers=pilot_carriers,
pilot_symbols=pilot_symbols,
sync_word1=sync_word1,
sync_word2=sync_word2,
bps_header=1,
bps_payload=2,
debug_log=False,
scramble_bits=False
)
self.digital_ofdm_rx_0 = digital.ofdm_rx(
fft_len=fft_len, cp_len=fft_len/4,
frame_length_tag_key='frame_'+"rx_len",
packet_length_tag_key="rx_len",
occupied_carriers=occupied_carriers,
pilot_carriers=pilot_carriers,
pilot_symbols=pilot_symbols,
sync_word1=sync_word1,
sync_word2=sync_word2,
bps_header=1,
bps_payload=2,
debug_log=False,
scramble_bits=False
)
self.dbconnect_pktrecv_0 = dbconnect.pktrecv("127.0.0.1", 5002, False)
self.dbconnect_packet_controller_0 = dbconnect.packet_controller(samp_rate/interp_factor, (10000,), 5, 10, 2, 5, 5, 5, 6643, 60000, (10,20,30), (), False)
self.dbconnect_cmd_pktgen_0 = dbconnect.cmd_pktgen("127.0.0.1", 5002, 64, True)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
self.blocks_tagged_stream_to_pdu_0_2 = blocks.tagged_stream_to_pdu(blocks.byte_t, "rx_len")
self.blocks_tagged_stream_to_pdu_0_1 = blocks.tagged_stream_to_pdu(blocks.byte_t, "rx_len")
self.blocks_tagged_stream_to_pdu_0_0_0 = blocks.tagged_stream_to_pdu(blocks.byte_t, "rx_len")
self.blocks_tagged_stream_to_pdu_0_0 = blocks.tagged_stream_to_pdu(blocks.byte_t, "rx_len")
self.blocks_tagged_stream_to_pdu_0 = blocks.tagged_stream_to_pdu(blocks.complex_t, "packet_len")
self.blocks_pdu_to_tagged_stream_0 = blocks.pdu_to_tagged_stream(blocks.byte_t, "packet_len")
self.blocks_multiply_xx_0_3 = blocks.multiply_vcc(1)
self.blocks_multiply_xx_0_2 = blocks.multiply_vcc(1)
self.blocks_multiply_xx_0_1 = blocks.multiply_vcc(1)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((0.09, ))
self.blocks_message_debug_0 = blocks.message_debug()
self.blocks_add_xx_2 = blocks.add_vcc(1)
self.analog_sig_source_x_0_3 = analog.sig_source_c(samp_rate, analog.GR_COS_WAVE, -3.75e6, 1, 0)
self.analog_sig_source_x_0_2 = analog.sig_source_c(samp_rate, analog.GR_COS_WAVE, 3.75e6, 1, 0)
self.analog_sig_source_x_0_1 = analog.sig_source_c(samp_rate, analog.GR_COS_WAVE, -1.25e6, 1, 0)
self.analog_sig_source_x_0 = analog.sig_source_c(samp_rate, analog.GR_COS_WAVE, 1.25e6, 1, 0)
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_tagged_stream_to_pdu_0, 'pdus'), (self.dbconnect_packet_controller_0, 'in0'))
self.msg_connect((self.blocks_tagged_stream_to_pdu_0_0, 'pdus'), (self.dbconnect_pktrecv_0, 'in0'))
self.msg_connect((self.blocks_tagged_stream_to_pdu_0_0_0, 'pdus'), (self.dbconnect_pktrecv_0, 'in1'))
self.msg_connect((self.blocks_tagged_stream_to_pdu_0_1, 'pdus'), (self.dbconnect_pktrecv_0, 'in2'))
self.msg_connect((self.blocks_tagged_stream_to_pdu_0_2, 'pdus'), (self.dbconnect_pktrecv_0, 'in3'))
self.msg_connect((self.dbconnect_cmd_pktgen_0, 'out0'), (self.blocks_pdu_to_tagged_stream_0, 'pdus'))
self.msg_connect((self.dbconnect_packet_controller_0, 'cmd'), (self.blocks_message_debug_0, 'print'))
self.msg_connect((self.dbconnect_packet_controller_0, 'gcmd'), (self.blocks_message_debug_0, 'print'))
self.msg_connect((self.dbconnect_packet_controller_0, 'cmd'), (self.dbconnect_cmd_pktgen_0, 'cmd'))
self.connect((self.analog_sig_source_x_0, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.analog_sig_source_x_0_1, 0), (self.blocks_multiply_xx_0_1, 1))
self.connect((self.analog_sig_source_x_0_2, 0), (self.blocks_multiply_xx_0_2, 1))
self.connect((self.analog_sig_source_x_0_3, 0), (self.blocks_multiply_xx_0_3, 1))
self.connect((self.blocks_add_xx_2, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_multiply_xx_0, 0), (self.blocks_add_xx_2, 0))
self.connect((self.blocks_multiply_xx_0_1, 0), (self.blocks_add_xx_2, 1))
self.connect((self.blocks_multiply_xx_0_2, 0), (self.blocks_add_xx_2, 2))
self.connect((self.blocks_multiply_xx_0_3, 0), (self.blocks_add_xx_2, 3))
self.connect((self.blocks_pdu_to_tagged_stream_0, 0), (self.digital_ofdm_tx_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.freq_xlating_fft_filter_ccc_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.freq_xlating_fft_filter_ccc_0_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.freq_xlating_fft_filter_ccc_0_1, 0))
self.connect((self.blocks_throttle_0, 0), (self.freq_xlating_fft_filter_ccc_0_2, 0))
self.connect((self.dbconnect_packet_controller_0, 0), (self.rational_resampler_xxx_0_0, 0))
self.connect((self.dbconnect_packet_controller_0, 1), (self.rational_resampler_xxx_0_0_1, 0))
self.connect((self.dbconnect_packet_controller_0, 2), (self.rational_resampler_xxx_0_0_1_0, 0))
self.connect((self.dbconnect_packet_controller_0, 3), (self.rational_resampler_xxx_0_0_1_1, 0))
self.connect((self.digital_ofdm_rx_0, 0), (self.blocks_tagged_stream_to_pdu_0_0, 0))
self.connect((self.digital_ofdm_rx_0_0, 0), (self.blocks_tagged_stream_to_pdu_0_0_0, 0))
self.connect((self.digital_ofdm_rx_0_1, 0), (self.blocks_tagged_stream_to_pdu_0_1, 0))
self.connect((self.digital_ofdm_rx_0_2, 0), (self.blocks_tagged_stream_to_pdu_0_2, 0))
self.connect((self.digital_ofdm_tx_0, 0), (self.blocks_tagged_stream_to_pdu_0, 0))
self.connect((self.freq_xlating_fft_filter_ccc_0, 0), (self.digital_ofdm_rx_0, 0))
self.connect((self.freq_xlating_fft_filter_ccc_0_0, 0), (self.digital_ofdm_rx_0_0, 0))
self.connect((self.freq_xlating_fft_filter_ccc_0_1, 0), (self.digital_ofdm_rx_0_1, 0))
self.connect((self.freq_xlating_fft_filter_ccc_0_2, 0), (self.digital_ofdm_rx_0_2, 0))
self.connect((self.rational_resampler_xxx_0_0, 0), (self.blocks_multiply_xx_0, 0))
self.connect((self.rational_resampler_xxx_0_0_1, 0), (self.blocks_multiply_xx_0_1, 0))
self.connect((self.rational_resampler_xxx_0_0_1_0, 0), (self.blocks_multiply_xx_0_2, 0))
self.connect((self.rational_resampler_xxx_0_0_1_1, 0), (self.blocks_multiply_xx_0_3, 0))
def __init__(self):
gr.top_block.__init__(self, "OFDM RX Phy")
Qt.QWidget.__init__(self)
self.setWindowTitle("OFDM RX Phy")
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_ofdm")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.usrp_samp_rate = usrp_samp_rate = 10e6
self.sync_word2 = sync_word2 = [
0, 0, 0, 0, 0, 0, -1, -1, -1, -1, 1, 1, -1, -1, -1, 1, -1, 1, 1, 1,
1, 1, -1, -1, -1, -1, -1, 1, -1, -1, 1, -1, 0, 1, -1, 1, 1, 1, -1,
1, 1, 1, -1, 1, 1, 1, 1, -1, 1, -1, -1, -1, 1, -1, 1, -1, -1, -1,
-1, 0, 0, 0, 0, 0
]
self.sync_word1 = sync_word1 = [
0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0.,
1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0.,
1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0.,
-1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
-1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
0., 0., 0., 0., 0.
]
self.samp_rate = samp_rate = 2.5e6
self.pilot_symbols = pilot_symbols = ((
1,
1,
1,
-1,
), )
self.pilot_carriers = pilot_carriers = ((
-21,
-7,
7,
21,
), )
self.packet_len = packet_len = 64
self.occupied_carriers = occupied_carriers = (
range(-26, -21) + range(-20, -7) + range(-6, 0) + range(1, 7) +
range(8, 21) + range(22, 27), )
self.fft_len = fft_len = 64
self.decim_factor = decim_factor = 5
##################################################
# Blocks
##################################################
self.uhd_usrp_source_1 = uhd.usrp_source(
",".join(("addr=192.168.20.2", "")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_source_1.set_samp_rate(usrp_samp_rate)
self.uhd_usrp_source_1.set_center_freq(1255e6, 0)
self.uhd_usrp_source_1.set_gain(5, 0)
self.uhd_usrp_source_1.set_antenna("RX2", 0)
self.freq_xlating_fft_filter_ccc_0_2 = filter.freq_xlating_fft_filter_ccc(
decim_factor, (filter.firdes.low_pass(
1, usrp_samp_rate, samp_rate / 2.0 * .98, 5000)), -3.75e6,
usrp_samp_rate)
self.freq_xlating_fft_filter_ccc_0_2.set_nthreads(4)
self.freq_xlating_fft_filter_ccc_0_2.declare_sample_delay(0)
self.freq_xlating_fft_filter_ccc_0_1 = filter.freq_xlating_fft_filter_ccc(
decim_factor, (filter.firdes.low_pass(
1, usrp_samp_rate, samp_rate / 2.0 * 0.98, 5000)), 3.75e6,
usrp_samp_rate)
self.freq_xlating_fft_filter_ccc_0_1.set_nthreads(4)
self.freq_xlating_fft_filter_ccc_0_1.declare_sample_delay(0)
self.freq_xlating_fft_filter_ccc_0_0 = filter.freq_xlating_fft_filter_ccc(
decim_factor, (filter.firdes.low_pass(
1, usrp_samp_rate, samp_rate / 2.0 * 0.98, 5000)), -1.25e6,
usrp_samp_rate)
self.freq_xlating_fft_filter_ccc_0_0.set_nthreads(4)
self.freq_xlating_fft_filter_ccc_0_0.declare_sample_delay(0)
self.freq_xlating_fft_filter_ccc_0 = filter.freq_xlating_fft_filter_ccc(
decim_factor, (filter.firdes.low_pass(
1, usrp_samp_rate, samp_rate / 2.0 * 0.98, 5000)), 1.25e6,
usrp_samp_rate)
self.freq_xlating_fft_filter_ccc_0.set_nthreads(4)
self.freq_xlating_fft_filter_ccc_0.declare_sample_delay(0)
self.digital_ofdm_rx_0_2 = digital.ofdm_rx(
fft_len=fft_len,
cp_len=fft_len / 4,
frame_length_tag_key='frame_' + "rx_len",
packet_length_tag_key="rx_len",
occupied_carriers=occupied_carriers,
pilot_carriers=pilot_carriers,
pilot_symbols=pilot_symbols,
sync_word1=sync_word1,
sync_word2=sync_word2,
bps_header=1,
bps_payload=2,
debug_log=False,
scramble_bits=False)
self.digital_ofdm_rx_0_1 = digital.ofdm_rx(
fft_len=fft_len,
cp_len=fft_len / 4,
frame_length_tag_key='frame_' + "rx_len",
packet_length_tag_key="rx_len",
occupied_carriers=occupied_carriers,
pilot_carriers=pilot_carriers,
pilot_symbols=pilot_symbols,
sync_word1=sync_word1,
sync_word2=sync_word2,
bps_header=1,
bps_payload=2,
debug_log=False,
scramble_bits=False)
self.digital_ofdm_rx_0_0 = digital.ofdm_rx(
fft_len=fft_len,
cp_len=fft_len / 4,
frame_length_tag_key='frame_' + "rx_len",
packet_length_tag_key="rx_len",
occupied_carriers=occupied_carriers,
pilot_carriers=pilot_carriers,
pilot_symbols=pilot_symbols,
sync_word1=sync_word1,
sync_word2=sync_word2,
bps_header=1,
bps_payload=2,
debug_log=False,
scramble_bits=False)
self.digital_ofdm_rx_0 = digital.ofdm_rx(
fft_len=fft_len,
cp_len=fft_len / 4,
frame_length_tag_key='frame_' + "rx_len",
packet_length_tag_key="rx_len",
occupied_carriers=occupied_carriers,
pilot_carriers=pilot_carriers,
pilot_symbols=pilot_symbols,
sync_word1=sync_word1,
sync_word2=sync_word2,
bps_header=1,
bps_payload=2,
debug_log=False,
scramble_bits=False)
self.dbconnect_pktrecv_0 = dbconnect.pktrecv("127.0.0.1", 5002, False)
self.blocks_tagged_stream_to_pdu_0_2 = blocks.tagged_stream_to_pdu(
blocks.byte_t, "rx_len")
self.blocks_tagged_stream_to_pdu_0_1 = blocks.tagged_stream_to_pdu(
blocks.byte_t, "rx_len")
self.blocks_tagged_stream_to_pdu_0_0 = blocks.tagged_stream_to_pdu(
blocks.byte_t, "rx_len")
self.blocks_tagged_stream_to_pdu_0 = blocks.tagged_stream_to_pdu(
blocks.byte_t, "rx_len")
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_tagged_stream_to_pdu_0, 'pdus'),
(self.dbconnect_pktrecv_0, 'in0'))
self.msg_connect((self.blocks_tagged_stream_to_pdu_0_0, 'pdus'),
(self.dbconnect_pktrecv_0, 'in1'))
self.msg_connect((self.blocks_tagged_stream_to_pdu_0_1, 'pdus'),
(self.dbconnect_pktrecv_0, 'in2'))
self.msg_connect((self.blocks_tagged_stream_to_pdu_0_2, 'pdus'),
(self.dbconnect_pktrecv_0, 'in3'))
self.connect((self.digital_ofdm_rx_0, 0),
(self.blocks_tagged_stream_to_pdu_0, 0))
self.connect((self.digital_ofdm_rx_0_0, 0),
(self.blocks_tagged_stream_to_pdu_0_0, 0))
self.connect((self.digital_ofdm_rx_0_1, 0),
(self.blocks_tagged_stream_to_pdu_0_1, 0))
self.connect((self.digital_ofdm_rx_0_2, 0),
(self.blocks_tagged_stream_to_pdu_0_2, 0))
self.connect((self.freq_xlating_fft_filter_ccc_0, 0),
(self.digital_ofdm_rx_0, 0))
self.connect((self.freq_xlating_fft_filter_ccc_0_0, 0),
(self.digital_ofdm_rx_0_0, 0))
self.connect((self.freq_xlating_fft_filter_ccc_0_1, 0),
(self.digital_ofdm_rx_0_1, 0))
self.connect((self.freq_xlating_fft_filter_ccc_0_2, 0),
(self.digital_ofdm_rx_0_2, 0))
self.connect((self.uhd_usrp_source_1, 0),
(self.freq_xlating_fft_filter_ccc_0, 0))
self.connect((self.uhd_usrp_source_1, 0),
(self.freq_xlating_fft_filter_ccc_0_0, 0))
self.connect((self.uhd_usrp_source_1, 0),
(self.freq_xlating_fft_filter_ccc_0_1, 0))
self.connect((self.uhd_usrp_source_1, 0),
(self.freq_xlating_fft_filter_ccc_0_2, 0))