diff options
Diffstat (limited to '')
-rwxr-xr-x | flowgraphs/qam_hw.py | 12 | ||||
-rw-r--r-- | flowgraphs/qam_sim.grc | 12 | ||||
-rwxr-xr-x | flowgraphs/qam_sim.py | 21 | ||||
-rw-r--r-- | flowgraphs/qpsk_hw.grc | 22 | ||||
-rwxr-xr-x | flowgraphs/qpsk_hw.py | 22 | ||||
-rw-r--r-- | flowgraphs/qpsk_sim.grc | 22 | ||||
-rwxr-xr-x | flowgraphs/qpsk_sim.py | 14 |
7 files changed, 44 insertions, 81 deletions
diff --git a/flowgraphs/qam_hw.py b/flowgraphs/qam_hw.py index d49b8e7..ba22d5b 100755 --- a/flowgraphs/qam_hw.py +++ b/flowgraphs/qam_hw.py @@ -239,14 +239,6 @@ class qam_hw(gr.top_block, Qt.QWidget): self.blocks_stream_mux_0 = blocks.stream_mux(gr.sizeof_char*1, [len(testvec), 4, 0]) self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(2, 8, "", False, gr.GR_LSB_FIRST) self.blocks_null_source_0 = blocks.null_source(gr.sizeof_char*1) - self.blocks_file_sink_3 = blocks.file_sink(gr.sizeof_gr_complex*1, 'data/locked_qam_hw.dat', False) - self.blocks_file_sink_3.set_unbuffered(False) - self.blocks_file_sink_2 = blocks.file_sink(gr.sizeof_gr_complex*1, 'data/equalized_qam_hw.dat', False) - self.blocks_file_sink_2.set_unbuffered(False) - self.blocks_file_sink_1 = blocks.file_sink(gr.sizeof_gr_complex*1, 'data/synchronized_qam_hw.dat', False) - self.blocks_file_sink_1.set_unbuffered(False) - self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_gr_complex*1, 'data/channel_qam_hw.dat', False) - self.blocks_file_sink_0.set_unbuffered(False) self.blocks_complex_to_mag_0 = blocks.complex_to_mag(1) self.analog_random_source_x_0 = blocks.vector_source_b(list(map(int, numpy.random.randint(0, 255, 400))), True) @@ -268,19 +260,15 @@ class qam_hw(gr.top_block, Qt.QWidget): self.connect((self.digital_constellation_modulator_0, 0), (self.channels_channel_model_0, 0)) self.connect((self.digital_corr_est_cc_0, 1), (self.blocks_complex_to_mag_0, 0)) self.connect((self.digital_corr_est_cc_0, 0), (self.fadingui_phasecorrection_0, 0)) - self.connect((self.digital_lms_dd_equalizer_cc_0, 0), (self.blocks_file_sink_2, 0)) self.connect((self.digital_lms_dd_equalizer_cc_0, 0), (self.digital_corr_est_cc_0, 0)) self.connect((self.digital_lms_dd_equalizer_cc_0, 0), (self.fadingui_netsink_1, 0)) self.connect((self.digital_lms_dd_equalizer_cc_0, 0), (self.qtgui_const_sink_x_0, 1)) - self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.blocks_file_sink_1, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_lms_dd_equalizer_cc_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.fadingui_netsink_4, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.qtgui_const_sink_x_0, 0)) - self.connect((self.fadingui_phasecorrection_0, 0), (self.blocks_file_sink_3, 0)) self.connect((self.fadingui_phasecorrection_0, 0), (self.digital_constellation_decoder_cb_0, 0)) self.connect((self.fadingui_phasecorrection_0, 0), (self.fadingui_netsink_3, 0)) self.connect((self.fadingui_phasecorrection_0, 0), (self.qtgui_const_sink_x_0, 2)) - self.connect((self.uhd_usrp_source_0, 0), (self.blocks_file_sink_0, 0)) self.connect((self.uhd_usrp_source_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) self.connect((self.uhd_usrp_source_0, 0), (self.fadingui_netsink_0, 0)) diff --git a/flowgraphs/qam_sim.grc b/flowgraphs/qam_sim.grc index 6ef347a..bdb8376 100644 --- a/flowgraphs/qam_sim.grc +++ b/flowgraphs/qam_sim.grc @@ -285,7 +285,7 @@ blocks: bus_structure: null coordinate: [984, 852.0] rotation: 0 - state: true + state: disabled - name: blocks_file_sink_1 id: blocks_file_sink parameters: @@ -303,7 +303,7 @@ blocks: bus_structure: null coordinate: [520, 1308.0] rotation: 0 - state: true + state: disabled - name: blocks_file_sink_2 id: blocks_file_sink parameters: @@ -321,7 +321,7 @@ blocks: bus_structure: null coordinate: [792, 1316.0] rotation: 0 - state: true + state: disabled - name: blocks_file_sink_3 id: blocks_file_sink parameters: @@ -339,7 +339,7 @@ blocks: bus_structure: null coordinate: [1336, 1060.0] rotation: 0 - state: true + state: disabled - name: blocks_null_source_0 id: blocks_null_source parameters: @@ -555,7 +555,7 @@ blocks: bus_structure: null coordinate: [608, 748.0] rotation: 0 - state: enabled + state: disabled - name: digital_constellation_decoder_cb_0 id: digital_constellation_decoder_cb parameters: @@ -705,7 +705,7 @@ blocks: bus_structure: null coordinate: [648, 924.0] rotation: 0 - state: disabled + state: enabled - name: fadingui_netsink_0 id: fadingui_netsink parameters: diff --git a/flowgraphs/qam_sim.py b/flowgraphs/qam_sim.py index 3a218f3..8ef5906 100755 --- a/flowgraphs/qam_sim.py +++ b/flowgraphs/qam_sim.py @@ -182,6 +182,7 @@ class qam_sim(gr.top_block, Qt.QWidget): self.fadingui_netsink_3 = fadingui.netsink(address='udp://localhost:31419', dtype="complex", vlen=1) self.fadingui_netsink_1 = fadingui.netsink(address='udp://localhost:31418', dtype="complex", vlen=1) self.fadingui_netsink_0 = fadingui.netsink(address='udp://localhost:31416', dtype="complex", vlen=1) + self.fadingui_multipath_fading_0 = fadingui.multipath_fading(amplitudes=[0.12], delays=[1.8], los =True) self.fadingui_ber_0 = fadingui.ber(vgl=testvec + list(np.zeros(4)), vlen=frame_len,address='udp://localhost:31415') self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps, 2 * np.pi / 100, rrc_taps, 32, 16, 1.5, 1) self.digital_lms_dd_equalizer_cc_0 = digital.lms_dd_equalizer_cc(15, 2e-3, 1, qam_const) @@ -195,7 +196,6 @@ class qam_sim(gr.top_block, Qt.QWidget): verbose=False, log=False) self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(qam_const) - self.channels_selective_fading_model_0 = channels.selective_fading_model( 8, 70/samp_rate, False, 5, 21, (0,0.05e-6/samp_rate,0.12e-6/samp_rate,0.2e-6/samp_rate,0.23e-6/samp_rate,0.5e-6/samp_rate,1.6e-6/samp_rate,2.3e-6/samp_rate,5e-6/samp_rate), (0.7943282347242815,0.7943282347242815,0.7943282347242815,1,1,1,0.5011872336272722,0.31622776601683794,0.19952623149688797), 9 ) self.channels_channel_model_0 = channels.channel_model( noise_voltage=100e-3, frequency_offset=1e-3, @@ -210,14 +210,6 @@ class qam_sim(gr.top_block, Qt.QWidget): self.blocks_stream_mux_0 = blocks.stream_mux(gr.sizeof_char*1, [len(testvec), 4, 0]) self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(2, 8, "", False, gr.GR_LSB_FIRST) self.blocks_null_source_0 = blocks.null_source(gr.sizeof_char*1) - self.blocks_file_sink_3 = blocks.file_sink(gr.sizeof_gr_complex*1, 'data/locked_qam_sim.dat', False) - self.blocks_file_sink_3.set_unbuffered(False) - self.blocks_file_sink_2 = blocks.file_sink(gr.sizeof_gr_complex*1, 'data/equalized_qam_sim.dat', False) - self.blocks_file_sink_2.set_unbuffered(False) - self.blocks_file_sink_1 = blocks.file_sink(gr.sizeof_gr_complex*1, 'data/synchronized_qam_sim.dat', False) - self.blocks_file_sink_1.set_unbuffered(False) - self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_gr_complex*1, 'data/channel_qam_sim.dat', False) - self.blocks_file_sink_0.set_unbuffered(False) self.blocks_complex_to_mag_0 = blocks.complex_to_mag(1) self.analog_random_source_x_0 = blocks.vector_source_b(list(map(int, numpy.random.randint(0, 255, 400))), True) @@ -235,23 +227,19 @@ class qam_sim(gr.top_block, Qt.QWidget): self.connect((self.blocks_tagged_stream_align_0, 0), (self.blocks_repack_bits_bb_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.channels_channel_model_0, 0)) self.connect((self.blocks_vector_source_x_0, 0), (self.blocks_stream_mux_0, 0)) - self.connect((self.channels_channel_model_0, 0), (self.channels_selective_fading_model_0, 0)) - self.connect((self.channels_selective_fading_model_0, 0), (self.blocks_file_sink_0, 0)) - self.connect((self.channels_selective_fading_model_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) - self.connect((self.channels_selective_fading_model_0, 0), (self.fadingui_netsink_0, 0)) + self.connect((self.channels_channel_model_0, 0), (self.fadingui_multipath_fading_0, 0)) self.connect((self.digital_constellation_decoder_cb_0, 0), (self.blocks_tagged_stream_align_0, 0)) self.connect((self.digital_constellation_modulator_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.digital_corr_est_cc_0, 1), (self.blocks_complex_to_mag_0, 0)) self.connect((self.digital_corr_est_cc_0, 0), (self.fadingui_phasecorrection_0, 0)) - self.connect((self.digital_lms_dd_equalizer_cc_0, 0), (self.blocks_file_sink_2, 0)) self.connect((self.digital_lms_dd_equalizer_cc_0, 0), (self.digital_corr_est_cc_0, 0)) self.connect((self.digital_lms_dd_equalizer_cc_0, 0), (self.fadingui_netsink_1, 0)) self.connect((self.digital_lms_dd_equalizer_cc_0, 0), (self.qtgui_const_sink_x_0, 1)) - self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.blocks_file_sink_1, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_lms_dd_equalizer_cc_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.fadingui_netsink_4, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.qtgui_const_sink_x_0, 0)) - self.connect((self.fadingui_phasecorrection_0, 0), (self.blocks_file_sink_3, 0)) + self.connect((self.fadingui_multipath_fading_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) + self.connect((self.fadingui_multipath_fading_0, 0), (self.fadingui_netsink_0, 0)) self.connect((self.fadingui_phasecorrection_0, 0), (self.digital_constellation_decoder_cb_0, 0)) self.connect((self.fadingui_phasecorrection_0, 0), (self.fadingui_netsink_3, 0)) self.connect((self.fadingui_phasecorrection_0, 0), (self.qtgui_const_sink_x_0, 2)) @@ -298,7 +286,6 @@ class qam_sim(gr.top_block, Qt.QWidget): def set_samp_rate(self, samp_rate): self.samp_rate = samp_rate self.blocks_throttle_0.set_sample_rate(self.samp_rate) - self.channels_selective_fading_model_0.set_fDTs(70/self.samp_rate) self.qtgui_time_sink_x_0.set_samp_rate(self.samp_rate / self.sps) def get_rrc_taps(self): diff --git a/flowgraphs/qpsk_hw.grc b/flowgraphs/qpsk_hw.grc index 053d364..f01606f 100644 --- a/flowgraphs/qpsk_hw.grc +++ b/flowgraphs/qpsk_hw.grc @@ -216,7 +216,7 @@ blocks: bus_structure: null coordinate: [992, 596.0] rotation: 0 - state: true + state: disabled - name: blocks_file_sink_1 id: blocks_file_sink parameters: @@ -234,7 +234,7 @@ blocks: bus_structure: null coordinate: [520, 1196.0] rotation: 0 - state: true + state: disabled - name: blocks_file_sink_2 id: blocks_file_sink parameters: @@ -252,7 +252,7 @@ blocks: bus_structure: null coordinate: [768, 1164.0] rotation: 0 - state: true + state: disabled - name: blocks_file_sink_3 id: blocks_file_sink parameters: @@ -270,7 +270,7 @@ blocks: bus_structure: null coordinate: [1312, 836.0] rotation: 0 - state: true + state: disabled - name: blocks_repack_bits_bb_0 id: blocks_repack_bits_bb parameters: @@ -548,7 +548,7 @@ blocks: bus_structure: null coordinate: [768, 916.0] rotation: 0 - state: enabled + state: disabled - name: fadingui_netsink_3 id: fadingui_netsink parameters: @@ -564,7 +564,7 @@ blocks: bus_structure: null coordinate: [1312, 924.0] rotation: 0 - state: enabled + state: disabled - name: fadingui_netsink_4 id: fadingui_netsink parameters: @@ -580,7 +580,7 @@ blocks: bus_structure: null coordinate: [528, 916.0] rotation: 0 - state: enabled + state: disabled - name: fadingui_netsink_4_0 id: fadingui_netsink parameters: @@ -596,7 +596,7 @@ blocks: bus_structure: null coordinate: [992, 684.0] rotation: 0 - state: enabled + state: disabled - name: fadingui_phasecorrection_0 id: fadingui_phasecorrection parameters: @@ -656,10 +656,10 @@ blocks: comment: '' grid: 'False' gui_hint: '' - label1: '' + label1: Synchronized label10: '' - label2: '' - label3: '' + label2: Equalized + label3: Looked label4: '' label5: '' label6: '' diff --git a/flowgraphs/qpsk_hw.py b/flowgraphs/qpsk_hw.py index 0e46532..f298aae 100755 --- a/flowgraphs/qpsk_hw.py +++ b/flowgraphs/qpsk_hw.py @@ -181,7 +181,7 @@ class qpsk_hw(gr.top_block, Qt.QWidget): self.qtgui_const_sink_x_0_0.enable_axis_labels(True) - labels = ['', '', '', '', '', + labels = ['Synchronized', 'Equalized', 'Looked', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] @@ -208,10 +208,6 @@ class qpsk_hw(gr.top_block, Qt.QWidget): self._qtgui_const_sink_x_0_0_win = sip.wrapinstance(self.qtgui_const_sink_x_0_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_0_win) self.fadingui_phasecorrection_0 = fadingui.phasecorrection(frame_len) - self.fadingui_netsink_4_0 = fadingui.netsink(address='udp://localhost:31416', dtype="complex", vlen=1) - self.fadingui_netsink_4 = fadingui.netsink(address='udp://localhost:31417', dtype="complex", vlen=1) - self.fadingui_netsink_3 = fadingui.netsink(address='udp://localhost:31419', dtype="complex", vlen=1) - self.fadingui_netsink_1 = fadingui.netsink(address='udp://localhost:31418', dtype="complex", vlen=1) self.fadingui_ber_0 = fadingui.ber(vgl=testvec + list(np.zeros(4)), vlen=frame_len,address='udp://localhost:31420') self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps, 2 * np.pi / 100, rrc_taps, 32, 16, 1.5, 1) self.digital_lms_dd_equalizer_cc_0 = digital.lms_dd_equalizer_cc(15, 3e-3, 1, qpsk_const) @@ -230,14 +226,6 @@ class qpsk_hw(gr.top_block, Qt.QWidget): self.blocks_stream_to_vector_0 = blocks.stream_to_vector(gr.sizeof_char*1, frame_len) self.blocks_stream_mux_0 = blocks.stream_mux(gr.sizeof_char*1, [len(testvec), 4]) self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(2, 8, "", False, gr.GR_LSB_FIRST) - self.blocks_file_sink_3 = blocks.file_sink(gr.sizeof_gr_complex*1, 'data/locked_qpsk_hw.dat', False) - self.blocks_file_sink_3.set_unbuffered(False) - self.blocks_file_sink_2 = blocks.file_sink(gr.sizeof_gr_complex*1, 'data/equalized_qpsk_hw.dat', False) - self.blocks_file_sink_2.set_unbuffered(False) - self.blocks_file_sink_1 = blocks.file_sink(gr.sizeof_gr_complex*1, 'data/synchronized_qpsk_hw.dat', False) - self.blocks_file_sink_1.set_unbuffered(False) - self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_gr_complex*1, 'data/channel_qpsk_hw.dat', False) - self.blocks_file_sink_0.set_unbuffered(False) self.blocks_complex_to_mag_0 = blocks.complex_to_mag(1) self.analog_random_source_x_0 = blocks.vector_source_b(list(map(int, numpy.random.randint(0, 255, 400))), True) @@ -257,21 +245,13 @@ class qpsk_hw(gr.top_block, Qt.QWidget): self.connect((self.digital_constellation_modulator_0, 0), (self.uhd_usrp_sink_0, 0)) self.connect((self.digital_corr_est_cc_0, 1), (self.blocks_complex_to_mag_0, 0)) self.connect((self.digital_corr_est_cc_0, 0), (self.fadingui_phasecorrection_0, 0)) - self.connect((self.digital_lms_dd_equalizer_cc_0, 0), (self.blocks_file_sink_2, 0)) self.connect((self.digital_lms_dd_equalizer_cc_0, 0), (self.digital_corr_est_cc_0, 0)) - self.connect((self.digital_lms_dd_equalizer_cc_0, 0), (self.fadingui_netsink_1, 0)) self.connect((self.digital_lms_dd_equalizer_cc_0, 0), (self.qtgui_const_sink_x_0_0, 1)) - self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.blocks_file_sink_1, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_lms_dd_equalizer_cc_0, 0)) - self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.fadingui_netsink_4, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.qtgui_const_sink_x_0_0, 0)) - self.connect((self.fadingui_phasecorrection_0, 0), (self.blocks_file_sink_3, 0)) self.connect((self.fadingui_phasecorrection_0, 0), (self.digital_constellation_decoder_cb_0, 0)) - self.connect((self.fadingui_phasecorrection_0, 0), (self.fadingui_netsink_3, 0)) self.connect((self.fadingui_phasecorrection_0, 0), (self.qtgui_const_sink_x_0_0, 2)) - self.connect((self.uhd_usrp_source_0, 0), (self.blocks_file_sink_0, 0)) self.connect((self.uhd_usrp_source_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) - self.connect((self.uhd_usrp_source_0, 0), (self.fadingui_netsink_4_0, 0)) def closeEvent(self, event): diff --git a/flowgraphs/qpsk_sim.grc b/flowgraphs/qpsk_sim.grc index fe07f14..58fe939 100644 --- a/flowgraphs/qpsk_sim.grc +++ b/flowgraphs/qpsk_sim.grc @@ -56,7 +56,7 @@ blocks: bus_sink: false bus_source: false bus_structure: null - coordinate: [472, 572.0] + coordinate: [456, 556.0] rotation: 0 state: true - name: excess_bw @@ -257,7 +257,7 @@ blocks: bus_structure: null coordinate: [992, 524.0] rotation: 0 - state: enabled + state: disabled - name: blocks_file_sink_1 id: blocks_file_sink parameters: @@ -275,7 +275,7 @@ blocks: bus_structure: null coordinate: [1280, 820.0] rotation: 0 - state: enabled + state: disabled - name: blocks_file_sink_2 id: blocks_file_sink parameters: @@ -293,7 +293,7 @@ blocks: bus_structure: null coordinate: [528, 1084.0] rotation: 0 - state: enabled + state: disabled - name: blocks_file_sink_3 id: blocks_file_sink parameters: @@ -311,7 +311,7 @@ blocks: bus_structure: null coordinate: [768, 828.0] rotation: 0 - state: enabled + state: disabled - name: blocks_null_source_0 id: blocks_null_source parameters: @@ -484,12 +484,12 @@ blocks: bus_structure: null coordinate: [312, 716.0] rotation: 0 - state: bypassed + state: enabled - name: channels_selective_fading_model_0 id: channels_selective_fading_model parameters: K: '5' - LOS: 'True' + LOS: 'False' N: '8' affinity: '' alias: '' @@ -507,7 +507,7 @@ blocks: bus_structure: null coordinate: [592, 572.0] rotation: 0 - state: disabled + state: enabled - name: digital_cma_equalizer_cc_0 id: digital_cma_equalizer_cc parameters: @@ -657,7 +657,7 @@ blocks: bus_structure: null coordinate: [648, 740.0] rotation: 0 - state: enabled + state: disabled - name: fadingui_netsink_0 id: fadingui_netsink parameters: @@ -889,9 +889,9 @@ blocks: comment: '' grid: 'False' gui_hint: '' - label1: '' + label1: Synchronized label10: '' - label2: '' + label2: Lookd label3: '' label4: '' label5: '' diff --git a/flowgraphs/qpsk_sim.py b/flowgraphs/qpsk_sim.py index b12e1a9..cab8e2b 100755 --- a/flowgraphs/qpsk_sim.py +++ b/flowgraphs/qpsk_sim.py @@ -104,7 +104,7 @@ class qpsk_sim(gr.top_block, Qt.QWidget): self.qtgui_const_sink_x_1.enable_axis_labels(True) - labels = ['', '', '', '', '', + labels = ['Synchronized', 'Lookd', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] @@ -149,7 +149,14 @@ class qpsk_sim(gr.top_block, Qt.QWidget): log=False) self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(qpsk_const) self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc(15, 1, 2e-3, 1) - self.channels_selective_fading_model_0 = channels.selective_fading_model( 8, 5/samp_rate, True, 5, 0, (0,0.05e-6/samp_rate,0.12e-6/samp_rate,0.2e-6/samp_rate,0.23e-6/samp_rate,0.5e-6/samp_rate,1.6e-6/samp_rate,2.3e-6/samp_rate,5e-6/samp_rate), (0.7943282347242815,0.7943282347242815,0.7943282347242815,1,1,1,0.5011872336272722,0.31622776601683794,0.19952623149688797), 9 ) + self.channels_selective_fading_model_0 = channels.selective_fading_model( 8, 5/samp_rate, False, 5, 0, (0,0.05e-6/samp_rate,0.12e-6/samp_rate,0.2e-6/samp_rate,0.23e-6/samp_rate,0.5e-6/samp_rate,1.6e-6/samp_rate,2.3e-6/samp_rate,5e-6/samp_rate), (0.7943282347242815,0.7943282347242815,0.7943282347242815,1,1,1,0.5011872336272722,0.31622776601683794,0.19952623149688797), 9 ) + self.channels_channel_model_0 = channels.channel_model( + noise_voltage=100e-3, + frequency_offset=2e-3, + epsilon=1.0, + taps=[np.exp(1j * 30 / 180 * np.pi)], + noise_seed=243, + block_tags=False) self.blocks_vector_source_x_0 = blocks.vector_source_b(testvec, True, 1, []) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True) self.blocks_tagged_stream_align_0 = blocks.tagged_stream_align(gr.sizeof_char*1, 'frame_start') @@ -170,8 +177,9 @@ class qpsk_sim(gr.top_block, Qt.QWidget): self.connect((self.blocks_stream_mux_0, 0), (self.digital_constellation_modulator_0, 0)) self.connect((self.blocks_stream_to_vector_0, 0), (self.fadingui_ber_0, 0)) self.connect((self.blocks_tagged_stream_align_0, 0), (self.blocks_repack_bits_bb_0, 0)) - self.connect((self.blocks_throttle_0, 0), (self.channels_selective_fading_model_0, 0)) + self.connect((self.blocks_throttle_0, 0), (self.channels_channel_model_0, 0)) self.connect((self.blocks_vector_source_x_0, 0), (self.blocks_stream_mux_0, 0)) + self.connect((self.channels_channel_model_0, 0), (self.channels_selective_fading_model_0, 0)) self.connect((self.channels_selective_fading_model_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) self.connect((self.channels_selective_fading_model_0, 0), (self.fadingui_netsink_0, 0)) self.connect((self.digital_cma_equalizer_cc_0, 0), (self.digital_corr_est_cc_0, 0)) |