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 * 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))
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))