def setUp (self):
self.tb = gr.top_block ()
offset = 43223# sample15 = 21839 # sample20 = 43223
fftl = 512
cell_id = 124
N_rb_dl = 6
# get test input from matlab
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)
self.myintu = intu
#for i in range(20):
# print intu[i+100000]
self.src = gr.vector_source_c(intu,False,1)
self.tag = lte_swig.tag_symbol_cc(offset,fftl)
self.est = lte.hier_freq_estimate_cc(fftl)
self.head = gr.head(gr.sizeof_gr_complex,len(intu)-100000)
self.snk = gr.vector_sink_c(1)
self.tb.connect(self.src,self.tag,self.head,self.est,self.snk)
def setUp(self):
self.tb = gr.top_block()
offset = 43223 # sample15 = 21839 # sample20 = 43223
fftl = 512
cell_id = 124
N_rb_dl = 6
# get test input from matlab
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)
self.myintu = intu
#for i in range(20):
# print intu[i+100000]
self.src = gr.vector_source_c(intu, False, 1)
self.tag = lte_swig.tag_symbol_cc(offset, fftl)
self.est = lte.hier_freq_estimate_cc(fftl)
self.head = gr.head(gr.sizeof_gr_complex, len(intu) - 100000)
self.snk = gr.vector_sink_c(1)
self.tb.connect(self.src, self.tag, self.head, self.est, self.snk)
def setUp (self):
self.tb = gr.top_block ()
offset = 43223# sample15 = 21839 # sample20 = 43223
fftl = 512
cell_id = 124
N_rb_dl = 6
test_len = 100000
intu = [1.0]*test_len
self.src = gr.vector_source_c(intu,False,1)
self.tag = lte.tag_symbol_cc(offset,fftl)
self.est = lte.hier_freq_estimate_cc(fftl)
self.head = gr.head(gr.sizeof_gr_complex,len(intu)-100000)
self.snk = gr.vector_sink_c(1)
self.tb.connect(self.src,self.tag,self.head,self.est,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")
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")
