def setUp (self): self.tb = gr.top_block () offset = 584 #sample15 = 21839 #sample20 = 43223 fftl = 512 cpl = 144*fftl/2048 cpl0 = 160*fftl/2048 slotl = 7*fftl+6*cpl+cpl0 cell_id = 124 N_rb_dl = 6 mod=scipy.io.loadmat('/home/demel/exchange/matlab_test_first_freq.mat') mat_u1=tuple(mod['test'].flatten()) mat_d=range(len(mat_u1)) for idx, val in enumerate(mat_u1): mat_d[idx]=val intu=tuple(mat_d[0:offset + 100*slotl]) self.src = gr.vector_source_c(intu,False,1) self.tag = lte.tag_symbol_cc(offset,fftl) self.pss = lte.hier_pss_sync_cc(fftl) self.snk = gr.vector_sink_c(1) self.tb.connect(self.src, self.tag, self.pss, self.snk)
def setUp(self): self.tb = gr.top_block() offset = 584 #sample15 = 21839 #sample20 = 43223 fftl = 512 cpl = 144 * fftl / 2048 cpl0 = 160 * fftl / 2048 slotl = 7 * fftl + 6 * cpl + cpl0 cell_id = 124 N_rb_dl = 6 mod = scipy.io.loadmat( '/home/demel/exchange/matlab_test_first_freq.mat') mat_u1 = tuple(mod['test'].flatten()) mat_d = range(len(mat_u1)) for idx, val in enumerate(mat_u1): mat_d[idx] = val intu = tuple(mat_d[0:offset + 100 * slotl]) self.src = gr.vector_source_c(intu, False, 1) self.tag = lte.tag_symbol_cc(offset, fftl) self.pss = lte.hier_pss_sync_cc(fftl) self.snk = gr.vector_sink_c(1) self.tb.connect(self.src, self.tag, self.pss, self.snk)
def setUp (self): #print os.getpid() #raw_input("Press the ANY key to continue") setuptime = time.clock() self.tb = gr.top_block () print "\nqa_multi_block_test START" offset = 1133 fftl = 512 cell_id = 124 N_rb_dl = 6 I = 768 D = 1000 # This first part is for syncing! #self.src = gr.vector_source_c(intu,False,1) infile1 = '/home/demel/Dokumente/Messungen/Messung_LTE_2012-05-23_12:48:19.dat' # successful! infile2 = '/home/demel/Dokumente/Messungen/Messung_LTE_2012-05-23_12:48:07.dat' # failed! infile3 = '/home/demel/Dokumente/Messungen/Messung_LTE_2012-05-23_12:46:30.dat' # successful! infile4 = '/home/johannes/lte/data/Messung_LTE_2012-05-23_12:47:32.dat' # successful! infile5 = '/home/demel/Dokumente/Messungen/Messung_LTE_2012-05-23_12:49:57.dat' # successful! samps = (fftl*7*2*10+10*fftl)*300 +offset input_file = infile3 print input_file self.src = gr.file_source(gr.sizeof_gr_complex,input_file, False) self.resample = blks2.rational_resampler_ccc(I, D) self.head1 = gr.head(gr.sizeof_gr_complex, samps) #self.tag = lte_swig.tag_symbol_cc(offset,fftl) self.sync = lte_swig.cp_time_freq_sync_cc(fftl) self.pss = lte.hier_pss_sync_cc(fftl) self.est = lte.hier_freq_estimate_cc(fftl) # This is the actual place to initialize self.sss # Nevertheless it it the last block to be initialized because it needs pointers to some others. # self.sss = lte.hier_sss_sync_cc(fftl) #This part does still process all data (more ore less) self.rcp = lte_swig.remove_cp_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.eq = lte.linear_OFDM_estimator_hier_vcvc(N_rb_dl)#cell_id, #self.eq.set_cell_id(cell_id) #self.sh1 = gr.skiphead(gr.sizeof_gr_complex*12*N_rb_dl,7) #self.sh2 = gr.skiphead(gr.sizeof_gr_complex*12*N_rb_dl,7) #self.sh3 = gr.skiphead(gr.sizeof_gr_complex*12*N_rb_dl,7) # After the next block only the PBCH is processed! self.demux= lte_swig.pbch_demux_vcvc(N_rb_dl)#cell_id, #self.demux.set_cell_id(cell_id) self.pd1 = lte_swig.pre_decoder_vcvc(1,'tx_diversity') self.pd2 = lte_swig.pre_decoder_vcvc(2,'tx_diversity') self.ldm1 = lte_swig.layer_demapper_vcvc(1,'tx_diversity') self.ldm2 = lte_swig.layer_demapper_vcvc(2,'tx_diversity') self.int = gr.interleave(240*8) self.dmd = lte_swig.qpsk_soft_demod_vcvf() self.ld = lte_swig.descrambling_vfvf() #self.ld.set_cell_id(cell_id) self.lru = lte_swig.rate_unmatch_vff() # After Viterbi decoding, only bits are processed! self.vit = lte.viterbi_vfvb() self.crc = lte_swig.crc_calculator_vbvb() self.mib = lte_swig.mib_unpack_vb() ############################################################# # This last block is just a daemon to propagate the calculated cell id ############################################################# self.daemon = lte.cell_id_daemon(self.eq.get_eq(),self.demux, self.ld) self.sss = lte.hier_sss_sync_cc(self.daemon, fftl) # declaration of additional sink blocks for tests #self.snk1 = gr.vector_sink_f(120) #self.snk2 = gr.vector_sink_b(40) # Connect all blocks together! self.tb.connect(self.src,self.resample,self.head1,self.sync,self.pss,self.est,self.sss,self.rcp,self.fft,self.ext,self.eq)# self.tb.connect( (self.eq,0), (self.demux,0) ) self.tb.connect( (self.eq,1), (self.demux,1) ) self.tb.connect( (self.eq,2), (self.demux,2) ) self.tb.connect( (self.demux,0) ,(self.pd1,0) ) self.tb.connect( (self.demux,1) ,(self.pd1,1) ) self.tb.connect( (self.demux,0) ,(self.pd2,0) ) self.tb.connect( (self.demux,1) ,(self.pd2,1) ) self.tb.connect( (self.demux,2) ,(self.pd2,2) ) self.tb.connect(self.pd1,self.ldm1,(self.int,0) ) self.tb.connect(self.pd2,self.ldm2,(self.int,1) ) self.tb.connect(self.int,self.dmd,self.ld,self.lru,self.vit,self.crc) self.tb.connect( (self.crc,0),(self.mib,0) ) self.tb.connect( (self.crc,1),(self.mib,1) ) # additional sink blocks for testing #self.tb.connect(self.lru,self.snk1) #self.tb.connect(self.vit,self.snk2) print "\n\nsetuptime = " + str(time.clock() - setuptime) + "\n\n"
def setUp(self): #print os.getpid() #raw_input("Press the ANY key to continue") setuptime = time.clock() self.tb = gr.top_block() print "\nqa_multi_block_test START" offset = 1133 fftl = 512 cell_id = 124 N_rb_dl = 6 I = 768 D = 1000 # This first part is for syncing! #self.src = gr.vector_source_c(intu,False,1) infile1 = '/home/demel/Dokumente/Messungen/Messung_LTE_2012-05-23_12:48:19.dat' # successful! infile2 = '/home/demel/Dokumente/Messungen/Messung_LTE_2012-05-23_12:48:07.dat' # failed! infile3 = '/home/demel/Dokumente/Messungen/Messung_LTE_2012-05-23_12:46:30.dat' # successful! infile4 = '/home/johannes/lte/data/Messung_LTE_2012-05-23_12:47:32.dat' # successful! infile5 = '/home/demel/Dokumente/Messungen/Messung_LTE_2012-05-23_12:49:57.dat' # successful! samps = (fftl * 7 * 2 * 10 + 10 * fftl) * 300 + offset input_file = infile3 print input_file self.src = gr.file_source(gr.sizeof_gr_complex, input_file, False) self.resample = blks2.rational_resampler_ccc(I, D) self.head1 = gr.head(gr.sizeof_gr_complex, samps) #self.tag = lte_swig.tag_symbol_cc(offset,fftl) self.sync = lte_swig.cp_time_freq_sync_cc(fftl) self.pss = lte.hier_pss_sync_cc(fftl) self.est = lte.hier_freq_estimate_cc(fftl) # This is the actual place to initialize self.sss # Nevertheless it it the last block to be initialized because it needs pointers to some others. # self.sss = lte.hier_sss_sync_cc(fftl) #This part does still process all data (more ore less) self.rcp = lte_swig.remove_cp_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.eq = lte.linear_OFDM_estimator_hier_vcvc(N_rb_dl) #cell_id, #self.eq.set_cell_id(cell_id) #self.sh1 = gr.skiphead(gr.sizeof_gr_complex*12*N_rb_dl,7) #self.sh2 = gr.skiphead(gr.sizeof_gr_complex*12*N_rb_dl,7) #self.sh3 = gr.skiphead(gr.sizeof_gr_complex*12*N_rb_dl,7) # After the next block only the PBCH is processed! self.demux = lte_swig.pbch_demux_vcvc(N_rb_dl) #cell_id, #self.demux.set_cell_id(cell_id) self.pd1 = lte_swig.pre_decoder_vcvc(1, 'tx_diversity') self.pd2 = lte_swig.pre_decoder_vcvc(2, 'tx_diversity') self.ldm1 = lte_swig.layer_demapper_vcvc(1, 'tx_diversity') self.ldm2 = lte_swig.layer_demapper_vcvc(2, 'tx_diversity') self.int = gr.interleave(240 * 8) self.dmd = lte_swig.qpsk_soft_demod_vcvf() self.ld = lte_swig.descrambling_vfvf() #self.ld.set_cell_id(cell_id) self.lru = lte_swig.rate_unmatch_vff() # After Viterbi decoding, only bits are processed! self.vit = lte.viterbi_vfvb() self.crc = lte_swig.crc_calculator_vbvb() self.mib = lte_swig.mib_unpack_vb() ############################################################# # This last block is just a daemon to propagate the calculated cell id ############################################################# self.daemon = lte.cell_id_daemon(self.eq.get_eq(), self.demux, self.ld) self.sss = lte.hier_sss_sync_cc(self.daemon, fftl) # declaration of additional sink blocks for tests #self.snk1 = gr.vector_sink_f(120) #self.snk2 = gr.vector_sink_b(40) # Connect all blocks together! self.tb.connect(self.src, self.resample, self.head1, self.sync, self.pss, self.est, self.sss, self.rcp, self.fft, self.ext, self.eq) # self.tb.connect((self.eq, 0), (self.demux, 0)) self.tb.connect((self.eq, 1), (self.demux, 1)) self.tb.connect((self.eq, 2), (self.demux, 2)) self.tb.connect((self.demux, 0), (self.pd1, 0)) self.tb.connect((self.demux, 1), (self.pd1, 1)) self.tb.connect((self.demux, 0), (self.pd2, 0)) self.tb.connect((self.demux, 1), (self.pd2, 1)) self.tb.connect((self.demux, 2), (self.pd2, 2)) self.tb.connect(self.pd1, self.ldm1, (self.int, 0)) self.tb.connect(self.pd2, self.ldm2, (self.int, 1)) self.tb.connect(self.int, self.dmd, self.ld, self.lru, self.vit, self.crc) self.tb.connect((self.crc, 0), (self.mib, 0)) self.tb.connect((self.crc, 1), (self.mib, 1)) # additional sink blocks for testing #self.tb.connect(self.lru,self.snk1) #self.tb.connect(self.vit,self.snk2) print "\n\nsetuptime = " + str(time.clock() - setuptime) + "\n\n"
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")