def __init__(self, fftl): """ This hierarchical block has a complex input and complex output stream. The actual data remains unchanged. The N_id_2 or cell ID number is calculated. Based on the position of the PSS the frame structure is calculated on a half frame basis and tagged to the output stream together with N_id_2 A tag with the slot number within a half frame is tagged at the beginning of every slot. (key = slot) A tag with the N_id_2 is tagged at the beginning of every half frame. (Corresponds to slot 0) (key = N_id_2) The input data must be tagged with information for symbols. (key = symbol) the tag propagation policy is set to TPP_DONT. """ gr.hier_block2.__init__( self, "hier_pss_sync_cc", gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature gr.io_signature(1, 1, gr.sizeof_gr_complex)) # Output signature # This is a fixed value due to the fact that the PSS is always located at the 62 center carriers. N_rb_dl = 6 self.tag = lte.pss_tagging_cc(fftl) self.sel = lte.pss_selector_cvc(fftl) self.fft = gr.fft_vcc(fftl, True, window.rectangular(fftl), False, 1) self.ext = lte.extract_occupied_tones_vcvc(N_rb_dl, fftl) self.calc = lte.pss_calc_vc(self.tag, self.sel, fftl) # Define blocks self.connect(self, self.tag, self) self.connect(self, self.sel, self.fft, self.ext, self.calc)
def __init__(self, fftl): """ This hierarchical block has a complex input and complex output stream. The actual data remains unchanged. The N_id_2 or cell ID number is calculated. Based on the position of the PSS the frame structure is calculated on a half frame basis and tagged to the output stream together with N_id_2 A tag with the slot number within a half frame is tagged at the beginning of every slot. (key = slot) A tag with the N_id_2 is tagged at the beginning of every half frame. (Corresponds to slot 0) (key = N_id_2) The input data must be tagged with information for symbols. (key = symbol) the tag propagation policy is set to TPP_DONT. """ gr.hier_block2.__init__(self, "hier_pss_sync_cc", gr.io_signature(1,1, gr.sizeof_gr_complex), # Input signature gr.io_signature(1,1, gr.sizeof_gr_complex)) # Output signature # This is a fixed value due to the fact that the PSS is always located at the 62 center carriers. N_rb_dl = 6; self.tag = lte.pss_tagging_cc(fftl) self.sel = lte.pss_selector_cvc(fftl) self.fft = gr.fft_vcc(fftl,True,window.rectangular(fftl),False,1) self.ext = lte.extract_occupied_tones_vcvc(N_rb_dl,fftl) self.calc = lte.pss_calc_vc(self.tag,self.sel,fftl) # Define blocks self.connect(self, self.tag, self) self.connect(self, self.sel, self.fft, self.ext, self.calc)
def setUp (self): self.tb = gr.top_block () self.N_rb_dl = N_rb_dl = 6 self.fftl = fftl = 512 intu1 = range(fftl) self.src = gr.vector_source_c(intu1,False,fftl) self.ext = lte_swig.extract_occupied_tones_vcvc(N_rb_dl,fftl) self.snk = gr.vector_sink_c(12*N_rb_dl) self.tb.connect(self.src,self.ext,self.snk)
def __init__(self, daemon, fftl): """ This is a hierarchical block to structure the SSS synchronization This version of the SSS Sync is meant to operate after the FFT """ gr.hier_block2.__init__( self, "hier_sss_sync2_vcvc", gr.io_signature(1, 1, (gr.sizeof_gr_complex) * fftl), # Input signature gr.io_signature(1, 1, (gr.sizeof_gr_complex) * fftl), ) # Output signature # self.message_port_register_hier_in("cell_id") # Define blocks N_rb_dl = 6 self.tag = lte.sss_tagging2_vcvc(fftl) self.ext = lte.extract_occupied_tones_vcvc(N_rb_dl, fftl) self.calc = lte.sss_calc2_vc(self.tag, daemon, fftl) self.connect(self, self.tag, self) self.connect(self, self.ext, self.calc)
def setUp (self): self.tb = gr.top_block () #print os.getpid() #raw_input("Press the ANY key!") offset = 43223 #sample15 = 21839 #sample20 = 43223 fftl = 512 cell_id = 124 N_rb_dl = 6 intu = [1.0] * 100 * fftl self.src = gr.vector_source_c(intu,False,1) self.tag = lte_swig.tag_symbol_cc(offset,fftl) self.sel = lte_swig.pss_selector_cvc(fftl) self.fft = gr.fft_vcc(fftl,True,window.rectangular(fftl),False,1) self.ext = lte_swig.extract_occupied_tones_vcvc(N_rb_dl,fftl) self.tagp = lte.pss_tagging_cc(fftl) # Dummy self.calc = lte.pss_calc_vc(self.tagp,self.sel,fftl) #self.snk = gr.vector_sink_c(fftl) self.tb.connect(self.src, self.tag, self.sel, self.fft, self.ext, self.calc)
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 __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.fft_len = fft_len = 2048 self.cpl0 = cpl0 = 160*fft_len/2048 self.cpl = cpl = 144*fft_len/2048 self.cell_id = cell_id = 364 self.N_rb_dl = N_rb_dl = 50 self.slotl = slotl = 7*fft_len+6*cpl+cpl0 self.frame_pilots_1 = frame_pilots_1 = lte.frame_pilot_value_and_position(N_rb_dl, cell_id, 1, 1) self.frame_pilots_0 = frame_pilots_0 = lte.frame_pilot_value_and_position(N_rb_dl, cell_id, 1, 0) self.tag_key = tag_key = "symbol" self.samp_rate = samp_rate = int(slotl/0.0005) self.pilot_symbols = pilot_symbols = frame_pilots_0[1] self.pilot_carriers_p1 = pilot_carriers_p1 = frame_pilots_1[0] self.pilot_carriers_p0 = pilot_carriers_p0 = frame_pilots_0[0] ################################################## # Blocks ################################################## self.lte_source_c_0 = lte_source_c( samp_rate=samp_rate, ) self.lte_remove_cp_cvc_0 = lte.remove_cp_cvc(fft_len, tag_key) self.lte_pbch_demux_vcvc_1 = lte.pbch_demux_vcvc(N_rb_dl) self.lte_mib_unpack_vb_0 = lte.mib_unpack_vb() self.lte_hier_sss_sync_cc_1 = lte.hier_sss_sync_cc(fft_len) self.lte_hier_pss_sync_cc_0 = lte.hier_pss_sync_cc(fft_len) self.lte_hier_freq_estimate_cc_0 = lte.hier_freq_estimate_cc(fft_len) self.lte_extract_occupied_tones_vcvc_0 = lte.extract_occupied_tones_vcvc(N_rb_dl,fft_len) self.lte_estimator_parameterizer_msg_0_0 = lte.estimator_parameterizer_msg("cell_id", "pilots", N_rb_dl, 1) self.lte_estimator_parameterizer_msg_0 = lte.estimator_parameterizer_msg("cell_id", "pilots", N_rb_dl, 0) self.lte_decode_pcfich_vcm_0 = lte.decode_pcfich_vcm(N_rb_dl, tag_key, "subframe", "cell_id", "N_ant", "CFI") self.lte_decode_pbch_vcvf_0 = lte.decode_pbch_vcvf() self.lte_decode_bch_hier_0 = lte_decode_bch_hier() self.lte_cp_time_freq_sync_cc_0 = lte.cp_time_freq_sync_cc(fft_len) self.lte_channel_estimator_ant_1 = lte.channel_estimator_vcvc(12*N_rb_dl, tag_key, "pilots", pilot_carriers_p1, pilot_symbols) self.lte_channel_estimator_ant_0 = lte.channel_estimator_vcvc(12*N_rb_dl, tag_key, "pilots", pilot_carriers_p0, pilot_symbols) self.fft_vxx_0 = fft.fft_vcc(fft_len, True, (window.rectangular(fft_len)), False, 1) ################################################## # Connections ################################################## self.connect((self.lte_extract_occupied_tones_vcvc_0, 0), (self.lte_pbch_demux_vcvc_1, 0)) self.connect((self.fft_vxx_0, 0), (self.lte_extract_occupied_tones_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_pbch_demux_vcvc_1, 1), (self.lte_decode_pbch_vcvf_0, 1)) self.connect((self.lte_pbch_demux_vcvc_1, 2), (self.lte_decode_pbch_vcvf_0, 2)) self.connect((self.lte_remove_cp_cvc_0, 0), (self.fft_vxx_0, 0)) self.connect((self.lte_hier_sss_sync_cc_1, 0), (self.lte_remove_cp_cvc_0, 0)) self.connect((self.lte_hier_pss_sync_cc_0, 0), (self.lte_hier_freq_estimate_cc_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_pbch_demux_vcvc_1, 0), (self.lte_decode_pbch_vcvf_0, 0)) self.connect((self.lte_source_c_0, 0), (self.lte_cp_time_freq_sync_cc_0, 0)) self.connect((self.lte_decode_pbch_vcvf_0, 0), (self.lte_decode_bch_hier_0, 0)) self.connect((self.lte_decode_bch_hier_0, 0), (self.lte_mib_unpack_vb_0, 0)) self.connect((self.lte_decode_bch_hier_0, 1), (self.lte_mib_unpack_vb_0, 1)) self.connect((self.lte_extract_occupied_tones_vcvc_0, 0), (self.lte_channel_estimator_ant_0, 0)) self.connect((self.lte_extract_occupied_tones_vcvc_0, 0), (self.lte_channel_estimator_ant_1, 0)) self.connect((self.lte_channel_estimator_ant_0, 0), (self.lte_pbch_demux_vcvc_1, 1)) self.connect((self.lte_channel_estimator_ant_1, 0), (self.lte_pbch_demux_vcvc_1, 2)) self.connect((self.lte_channel_estimator_ant_0, 0), (self.lte_decode_pcfich_vcm_0, 1)) self.connect((self.lte_channel_estimator_ant_1, 0), (self.lte_decode_pcfich_vcm_0, 2)) self.connect((self.lte_extract_occupied_tones_vcvc_0, 0), (self.lte_decode_pcfich_vcm_0, 0)) ################################################## # Asynch Message Connections ################################################## self.msg_connect(self.lte_hier_sss_sync_cc_1, "cell_id", self.lte_pbch_demux_vcvc_1, "cell_id") self.msg_connect(self.lte_hier_sss_sync_cc_1, "cell_id", self.lte_decode_pbch_vcvf_0, "cell_id") self.msg_connect(self.lte_estimator_parameterizer_msg_0, "pilots", self.lte_channel_estimator_ant_0, "pilots") self.msg_connect(self.lte_estimator_parameterizer_msg_0_0, "pilots", self.lte_channel_estimator_ant_1, "pilots") self.msg_connect(self.lte_hier_sss_sync_cc_1, "cell_id", self.lte_estimator_parameterizer_msg_0, "cell_id") self.msg_connect(self.lte_hier_sss_sync_cc_1, "cell_id", self.lte_estimator_parameterizer_msg_0_0, "cell_id") self.msg_connect(self.lte_hier_sss_sync_cc_1, "cell_id", self.lte_decode_pcfich_vcm_0, "cell_id") self.msg_connect(self.lte_mib_unpack_vb_0, "N_ant", self.lte_decode_pcfich_vcm_0, "N_ant")