def __init__(self, ):
gr.hier_block2.__init__(self, "decode_bch_vfvb",
gr.io_signature(1,1, gr.sizeof_float*120), # Input signature
gr.io_signature2(2,2, gr.sizeof_char*24, gr.sizeof_char)) # Output signature
# Define blocks
self.rate_unmatch = lte.rate_unmatch_vff()
self.viterbi = lte.viterbi_vfvb()
self.crc = lte.crc_calculator_vbvb()
self.connect(self, self.rate_unmatch, self.viterbi, (self.crc, 0), (self, 0))
self.connect((self.crc, 1), (self, 1))
def __init__(self):
gr.top_block.__init__(self, "LTE flowgraph")
Qt.QWidget.__init__(self)
self.setWindowTitle("LTE flowgraph")
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
##################################################
# Variables
##################################################
self.fftlen = fftlen = 512
self.cpl0 = cpl0 = 160*fftlen/2048
self.cpl = cpl = 144*fftlen/2048
self.slotl = slotl = 7*fftlen+6*cpl+cpl0
self.samp_rate = samp_rate = slotl/0.0005
self.style = style = "tx_diversity"
self.interp_val = interp_val = int(samp_rate/1e4)
self.N_rb_dl = N_rb_dl = 6
##################################################
# Blocks
##################################################
self.eq = lte.linear_OFDM_equalizer_hier_vcvc(N_rb_dl)
self.descr = lte.descrambling_vfvf()
self.demux = lte.pbch_demux_vcvc(N_rb_dl)
self.daemon = lte.cell_id_daemon(self.eq.eq, self.demux, self.descr)
self.qtgui_sink_x_0 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
True, #plotfreq
True, #plotwaterfall
True, #plottime
True, #plotconst
)
self._qtgui_sink_x_0_win = sip.wrapinstance(self.qtgui_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_sink_x_0_win)
self.lte_viterbi_vfvb_0 = lte.viterbi_vfvb()
self.lte_remove_cp_cvc_1 = lte.remove_cp_cvc(fftlen)
self.lte_rate_unmatch_vff_0 = lte.rate_unmatch_vff()
self.lte_qpsk_soft_demod_vcvf_0 = lte.qpsk_soft_demod_vcvf()
self.lte_pss_sync_hier_cc_0 = lte.pss_sync_hier_cc(fftlen)
self.lte_pre_decoder_vcvc_0_0 = lte.pre_decoder_vcvc(2, style)
self.lte_pre_decoder_vcvc_0 = lte.pre_decoder_vcvc(1, style)
self.lte_mib_unpack_vb_0 = lte.mib_unpack_vb()
self.lte_layer_demapper_vcvc_0_0 = lte.layer_demapper_vcvc(2, style)
self.lte_layer_demapper_vcvc_0 = lte.layer_demapper_vcvc(1, style)
self.lte_hier_sss_sync_cc_0 = lte.hier_sss_sync_cc(self.daemon, fftlen)
self.lte_hier_freq_estimate_cc_0 = lte.hier_freq_estimate_cc(fftlen)
self.lte_extract_occupied_tones_vcvc_0 = lte.extract_occupied_tones_vcvc(N_rb_dl,fftlen)
self.lte_crc_calculator_vbvb_0 = lte.crc_calculator_vbvb()
self.lte_cp_time_freq_sync_cc_0 = lte.cp_time_freq_sync_cc(fftlen)
self.gr_vector_to_stream_0 = gr.vector_to_stream(gr.sizeof_gr_complex*1, 240)
self.gr_throttle_0 = gr.throttle(gr.sizeof_gr_complex*1, samp_rate)
self.gr_interleave_0 = gr.interleave(gr.sizeof_gr_complex*240)
self.gr_file_source_0 = gr.file_source(gr.sizeof_gr_complex*1, "/home/demel/Dokumente/Messungen_31_10_2012/samples_12.5MSps_20dB.iq", False)
self.fft_vxx_0 = fft.fft_vcc(fftlen, True, (window.rectangular(fftlen)), False, 1)
self.blks2_rational_resampler_xxx_0 = blks2.rational_resampler_ccc(
interpolation=interp_val,
decimation=1250,
taps=None,
fractional_bw=None,
)
##################################################
# Connections
##################################################
self.connect((self.gr_file_source_0, 0), (self.blks2_rational_resampler_xxx_0, 0))
self.connect((self.blks2_rational_resampler_xxx_0, 0), (self.gr_throttle_0, 0))
self.connect((self.lte_hier_freq_estimate_cc_0, 0), (self.lte_hier_sss_sync_cc_0, 0))
self.connect((self.lte_pss_sync_hier_cc_0, 0), (self.lte_hier_freq_estimate_cc_0, 0))
self.connect((self.lte_cp_time_freq_sync_cc_0, 0), (self.lte_pss_sync_hier_cc_0, 0))
self.connect((self.gr_throttle_0, 0), (self.lte_cp_time_freq_sync_cc_0, 0))
self.connect((self.lte_hier_sss_sync_cc_0, 0), (self.lte_remove_cp_cvc_1, 0))
self.connect((self.fft_vxx_0, 0), (self.lte_extract_occupied_tones_vcvc_0, 0))
self.connect((self.lte_remove_cp_cvc_1, 0), (self.fft_vxx_0, 0))
self.connect((self.lte_extract_occupied_tones_vcvc_0, 0), (self.eq, 0))
self.connect((self.lte_pre_decoder_vcvc_0, 0), (self.lte_layer_demapper_vcvc_0, 0))
self.connect((self.eq, 0), (self.demux, 0))
self.connect((self.eq, 1), (self.demux, 1))
self.connect((self.eq, 2), (self.demux, 2))
self.connect((self.lte_pre_decoder_vcvc_0_0, 0), (self.lte_layer_demapper_vcvc_0_0, 0))
self.connect((self.lte_layer_demapper_vcvc_0_0, 0), (self.gr_interleave_0, 1))
self.connect((self.demux, 1), (self.lte_pre_decoder_vcvc_0_0, 1))
self.connect((self.demux, 1), (self.lte_pre_decoder_vcvc_0, 1))
self.connect((self.demux, 0), (self.lte_pre_decoder_vcvc_0, 0))
self.connect((self.demux, 2), (self.lte_pre_decoder_vcvc_0_0, 2))
self.connect((self.demux, 0), (self.lte_pre_decoder_vcvc_0_0, 0))
self.connect((self.lte_qpsk_soft_demod_vcvf_0, 0), (self.descr, 0))
self.connect((self.gr_interleave_0, 0), (self.lte_qpsk_soft_demod_vcvf_0, 0))
self.connect((self.lte_layer_demapper_vcvc_0, 0), (self.gr_interleave_0, 0))
self.connect((self.descr, 0), (self.lte_rate_unmatch_vff_0, 0))
self.connect((self.lte_crc_calculator_vbvb_0, 1), (self.lte_mib_unpack_vb_0, 1))
self.connect((self.lte_crc_calculator_vbvb_0, 0), (self.lte_mib_unpack_vb_0, 0))
self.connect((self.lte_viterbi_vfvb_0, 0), (self.lte_crc_calculator_vbvb_0, 0))
self.connect((self.lte_rate_unmatch_vff_0, 0), (self.lte_viterbi_vfvb_0, 0))
self.connect((self.gr_interleave_0, 0), (self.gr_vector_to_stream_0, 0))
self.connect((self.gr_vector_to_stream_0, 0), (self.qtgui_sink_x_0, 0))
def __init__(self): gr.top_block.__init__(self, "LTE flowgraph") ################################################## # Variables ################################################## self.fftlen = fftlen = 2048 self.cpl0 = cpl0 = 160*fftlen/2048 self.cpl = cpl = 144*fftlen/2048 self.slotl = slotl = 7*fftlen+6*cpl+cpl0 self.samp_rate = samp_rate = slotl/0.0005 self.style = style = "tx_diversity" self.interp_val = interp_val = int(samp_rate/1e4) self.N_rb_dl = N_rb_dl = 6 ################################################## # Blocks ################################################## self.eq = lte.linear_OFDM_estimator_hier_vcvc(N_rb_dl) self.descr = lte.descrambling_vfvf() self.demux = lte.pbch_demux_vcvc(N_rb_dl) self.daemon = lte.cell_id_daemon(self.eq.eq, self.demux, self.descr) self.lte_viterbi_vfvb_0 = lte.viterbi_vfvb() self.lte_remove_cp_cvc_1 = lte.remove_cp_cvc(fftlen) self.lte_rate_unmatch_vff_0 = lte.rate_unmatch_vff() self.lte_qpsk_soft_demod_vcvf_0 = lte.qpsk_soft_demod_vcvf() self.lte_pre_decoder_vcvc_0_0 = lte.pre_decoder_vcvc(2, style) self.lte_pre_decoder_vcvc_0 = lte.pre_decoder_vcvc(1, style) self.lte_mib_unpack_vb_0 = lte.mib_unpack_vb() self.lte_layer_demapper_vcvc_0_0 = lte.layer_demapper_vcvc(2, style) self.lte_layer_demapper_vcvc_0 = lte.layer_demapper_vcvc(1, style) self.lte_hier_sss_sync_cc_0 = lte.hier_sss_sync_cc(self.daemon, fftlen) self.lte_hier_pss_sync_cc_0 = lte.hier_pss_sync_cc(fftlen) self.lte_hier_freq_estimate_cc_0 = lte.hier_freq_estimate_cc(fftlen) self.lte_extract_occupied_tones_vcvc_0 = lte.extract_occupied_tones_vcvc(N_rb_dl,fftlen) self.lte_crc_calculator_vbvb_0 = lte.crc_calculator_vbvb() self.lte_cp_time_freq_sync_cc_0 = lte.cp_time_freq_sync_cc(fftlen) self.gr_throttle_0 = gr.throttle(gr.sizeof_gr_complex*1, samp_rate) self.gr_interleave_0 = gr.interleave(gr.sizeof_gr_complex*240) self.gr_file_source_0 = gr.file_source(gr.sizeof_gr_complex*1, "/home/demel/Dokumente/Messungen/Messung_LTE_2012-05-23_12:47:32.dat", False) self.fft_vxx_0 = fft.fft_vcc(fftlen, True, (window.rectangular(fftlen)), False, 1) self.blks2_rational_resampler_xxx_0 = blks2.rational_resampler_ccc( interpolation=interp_val, decimation=1000, taps=None, fractional_bw=None, ) ################################################## # Connections ################################################## self.connect((self.gr_file_source_0, 0), (self.blks2_rational_resampler_xxx_0, 0)) self.connect((self.blks2_rational_resampler_xxx_0, 0), (self.gr_throttle_0, 0)) self.connect((self.lte_hier_freq_estimate_cc_0, 0), (self.lte_hier_sss_sync_cc_0, 0)) self.connect((self.gr_throttle_0, 0), (self.lte_cp_time_freq_sync_cc_0, 0)) self.connect((self.lte_hier_sss_sync_cc_0, 0), (self.lte_remove_cp_cvc_1, 0)) self.connect((self.fft_vxx_0, 0), (self.lte_extract_occupied_tones_vcvc_0, 0)) self.connect((self.lte_remove_cp_cvc_1, 0), (self.fft_vxx_0, 0)) self.connect((self.lte_pre_decoder_vcvc_0, 0), (self.lte_layer_demapper_vcvc_0, 0)) self.connect((self.lte_pre_decoder_vcvc_0_0, 0), (self.lte_layer_demapper_vcvc_0_0, 0)) self.connect((self.lte_layer_demapper_vcvc_0_0, 0), (self.gr_interleave_0, 1)) self.connect((self.demux, 1), (self.lte_pre_decoder_vcvc_0_0, 1)) self.connect((self.demux, 1), (self.lte_pre_decoder_vcvc_0, 1)) self.connect((self.demux, 0), (self.lte_pre_decoder_vcvc_0, 0)) self.connect((self.demux, 2), (self.lte_pre_decoder_vcvc_0_0, 2)) self.connect((self.demux, 0), (self.lte_pre_decoder_vcvc_0_0, 0)) self.connect((self.lte_qpsk_soft_demod_vcvf_0, 0), (self.descr, 0)) self.connect((self.gr_interleave_0, 0), (self.lte_qpsk_soft_demod_vcvf_0, 0)) self.connect((self.lte_layer_demapper_vcvc_0, 0), (self.gr_interleave_0, 0)) self.connect((self.descr, 0), (self.lte_rate_unmatch_vff_0, 0)) self.connect((self.lte_crc_calculator_vbvb_0, 1), (self.lte_mib_unpack_vb_0, 1)) self.connect((self.lte_crc_calculator_vbvb_0, 0), (self.lte_mib_unpack_vb_0, 0)) self.connect((self.lte_viterbi_vfvb_0, 0), (self.lte_crc_calculator_vbvb_0, 0)) self.connect((self.lte_rate_unmatch_vff_0, 0), (self.lte_viterbi_vfvb_0, 0)) self.connect((self.lte_cp_time_freq_sync_cc_0, 0), (self.lte_hier_pss_sync_cc_0, 0)) self.connect((self.lte_hier_pss_sync_cc_0, 0), (self.lte_hier_freq_estimate_cc_0, 0)) self.connect((self.lte_extract_occupied_tones_vcvc_0, 0), (self.eq, 0)) self.connect((self.eq, 0), (self.demux, 0)) self.connect((self.eq, 1), (self.demux, 1)) self.connect((self.eq, 2), (self.demux, 2))
def __init__(self): gr.top_block.__init__(self, "LTE flowgraph") ################################################## # Variables ################################################## self.fftlen = fftlen = 2048 self.cpl0 = cpl0 = 160*fftlen/2048 self.cpl = cpl = 144*fftlen/2048 self.slotl = slotl = 7*fftlen+6*cpl+cpl0 self.samp_rate = samp_rate = slotl/0.0005 self.style = style = "tx_diversity" self.interp_val = interp_val = int(samp_rate/1e4) self.N_rb_dl = N_rb_dl = 6 ################################################## # Blocks ################################################## self.lte_viterbi_vfvb_0 = lte.viterbi_vfvb() self.lte_remove_cp_cvc_1 = lte.remove_cp_cvc(fftlen) self.lte_rate_unmatch_vff_0 = lte.rate_unmatch_vff() self.lte_qpsk_soft_demod_vcvf_0 = lte.qpsk_soft_demod_vcvf() self.lte_pre_decoder_vcvc_0_0 = lte.pre_decoder_vcvc(2, style) self.lte_pre_decoder_vcvc_0 = lte.pre_decoder_vcvc(1, style) self.lte_mib_unpack_vb_0 = lte.mib_unpack_vb() self.lte_layer_demapper_vcvc_0_0 = lte.layer_demapper_vcvc(2, style) self.lte_layer_demapper_vcvc_0 = lte.layer_demapper_vcvc(1, style) self.lte_hier_sss_sync_cc_1 = lte.hier_sss_sync_cc(fftlen) self.lte_hier_pss_sync_cc_0 = lte.hier_pss_sync_cc(fftlen) self.lte_hier_freq_estimate_cc_0 = lte.hier_freq_estimate_cc(fftlen) self.lte_extract_occupied_tones_vcvc_0 = lte.extract_occupied_tones_vcvc(N_rb_dl,fftlen) self.lte_crc_calculator_vbvb_0 = lte.crc_calculator_vbvb() self.lte_cp_time_freq_sync_cc_0 = lte.cp_time_freq_sync_cc(fftlen) self.lte_channel_estimator_0 = lte.channel_estimator(N_rb_dl) self.gr_throttle_0 = gr.throttle(gr.sizeof_gr_complex*1, samp_rate/4) self.gr_interleave_0 = gr.interleave(gr.sizeof_gr_complex*240) self.gr_file_source_0_0 = gr.file_source(gr.sizeof_gr_complex*1, "/home/demel/gr-lte/data/Messung_Resampled_3072MSps.dat", False) self.fft_vxx_0 = fft.fft_vcc(fftlen, True, (window.rectangular(fftlen)), False, 1) self.descr = lte.descrambling_vfvf() self.demux = lte.pbch_demux_vcvc(N_rb_dl) ################################################## # Connections ################################################## self.connect((self.lte_cp_time_freq_sync_cc_0, 0), (self.lte_hier_pss_sync_cc_0, 0)) self.connect((self.lte_hier_pss_sync_cc_0, 0), (self.lte_hier_freq_estimate_cc_0, 0)) self.connect((self.gr_throttle_0, 0), (self.lte_cp_time_freq_sync_cc_0, 0)) self.connect((self.gr_file_source_0_0, 0), (self.gr_throttle_0, 0)) self.connect((self.fft_vxx_0, 0), (self.lte_extract_occupied_tones_vcvc_0, 0)) self.connect((self.lte_remove_cp_cvc_1, 0), (self.fft_vxx_0, 0)) self.connect((self.descr, 0), (self.lte_rate_unmatch_vff_0, 0)) self.connect((self.lte_qpsk_soft_demod_vcvf_0, 0), (self.descr, 0)) self.connect((self.demux, 2), (self.lte_pre_decoder_vcvc_0_0, 2)) self.connect((self.demux, 1), (self.lte_pre_decoder_vcvc_0_0, 1)) self.connect((self.demux, 0), (self.lte_pre_decoder_vcvc_0_0, 0)) self.connect((self.demux, 1), (self.lte_pre_decoder_vcvc_0, 1)) self.connect((self.demux, 0), (self.lte_pre_decoder_vcvc_0, 0)) self.connect((self.lte_channel_estimator_0, 2), (self.demux, 2)) self.connect((self.lte_channel_estimator_0, 1), (self.demux, 1)) self.connect((self.lte_channel_estimator_0, 0), (self.demux, 0)) self.connect((self.lte_extract_occupied_tones_vcvc_0, 0), (self.lte_channel_estimator_0, 0)) self.connect((self.lte_rate_unmatch_vff_0, 0), (self.lte_viterbi_vfvb_0, 0)) self.connect((self.lte_viterbi_vfvb_0, 0), (self.lte_crc_calculator_vbvb_0, 0)) self.connect((self.lte_crc_calculator_vbvb_0, 0), (self.lte_mib_unpack_vb_0, 0)) self.connect((self.lte_crc_calculator_vbvb_0, 1), (self.lte_mib_unpack_vb_0, 1)) self.connect((self.lte_layer_demapper_vcvc_0, 0), (self.gr_interleave_0, 0)) self.connect((self.gr_interleave_0, 0), (self.lte_qpsk_soft_demod_vcvf_0, 0)) self.connect((self.lte_layer_demapper_vcvc_0_0, 0), (self.gr_interleave_0, 1)) self.connect((self.lte_pre_decoder_vcvc_0_0, 0), (self.lte_layer_demapper_vcvc_0_0, 0)) self.connect((self.lte_pre_decoder_vcvc_0, 0), (self.lte_layer_demapper_vcvc_0, 0)) self.connect((self.lte_hier_freq_estimate_cc_0, 0), (self.lte_hier_sss_sync_cc_1, 0)) self.connect((self.lte_hier_sss_sync_cc_1, 0), (self.lte_remove_cp_cvc_1, 0)) ################################################## # Asynch Message Connections ################################################## self.msg_connect(self.lte_hier_sss_sync_cc_1, "cell_id", self.demux, "cell_id") self.msg_connect(self.lte_hier_sss_sync_cc_1, "cell_id", self.descr, "cell_id") self.msg_connect(self.lte_hier_sss_sync_cc_1, "cell_id", self.lte_channel_estimator_0, "cell_id")
def setUp (self):
self.tb = gr.top_block ()
self.src = gr.vector_source_f( [0]*120 , False, 120)
self.lru = lte_swig.rate_unmatch_vff()
self.snk = gr.vector_sink_f(120)
self.tb.connect(self.src, self.lru, self.snk)