diff options
Diffstat (limited to '')
| -rw-r--r-- | flowgraphs/qpsk_hw.grc | 96 | ||||
| -rwxr-xr-x | flowgraphs/qpsk_hw.py | 75 | ||||
| -rwxr-xr-x | hardware/QPSK/qpks.py | 4 | ||||
| -rw-r--r-- | hardware/QPSK/qpsk.grc | 4 | ||||
| -rwxr-xr-x | simulation/QAM_Fading/qam_fading.py | 56 | ||||
| -rw-r--r-- | src/gr-fadingui/python/ber.py | 14 | ||||
| -rw-r--r-- | src/gr-fadingui/python/phasecorrection.py | 5 |
7 files changed, 109 insertions, 145 deletions
diff --git a/flowgraphs/qpsk_hw.grc b/flowgraphs/qpsk_hw.grc index c47a5df..2ebc340 100644 --- a/flowgraphs/qpsk_hw.grc +++ b/flowgraphs/qpsk_hw.grc @@ -36,10 +36,10 @@ blocks: id: variable parameters: comment: '' - value: '[(-0.7071067811865475-0.7071067811865475j), (0.7071067811865475-0.7071067811865475j), + value: 2 * np.array([(-0.7071067811865475-0.7071067811865475j), (0.7071067811865475-0.7071067811865475j), (0.7071067811865475+0.7071067811865475j), (0.7071067811865475+0.7071067811865475j), (-0.7071067811865475-0.7071067811865475j), (0.7071067811865475+0.7071067811865475j), - (0.7071067811865475-0.7071067811865475j), (0.7071067811865475-0.7071067811865475j)]' + (0.7071067811865475-0.7071067811865475j), (0.7071067811865475-0.7071067811865475j)]) states: bus_sink: false bus_source: false @@ -124,7 +124,7 @@ blocks: bus_sink: false bus_source: false bus_structure: null - coordinate: [432, 1156.0] + coordinate: [256, 932.0] rotation: 0 state: true - name: samp_rate @@ -274,25 +274,6 @@ blocks: coordinate: [496, 1308.0] rotation: 0 state: true -- name: blocks_throttle_0 - id: blocks_throttle - parameters: - affinity: '' - alias: '' - comment: '' - ignoretag: 'True' - maxoutbuf: '0' - minoutbuf: '0' - samples_per_second: samp_rate - type: complex - vlen: '1' - states: - bus_sink: false - bus_source: false - bus_structure: null - coordinate: [720, 428.0] - rotation: 0 - state: true - name: blocks_vector_source_x_0 id: blocks_vector_source_x parameters: @@ -331,7 +312,7 @@ blocks: bus_structure: null coordinate: [528, 980.0] rotation: 0 - state: true + state: disabled - name: digital_constellation_decoder_cb_0 id: digital_constellation_decoder_cb parameters: @@ -380,7 +361,7 @@ blocks: minoutbuf: '0' sps: '1' symbols: access_code_symbols - threshold: '0.9' + threshold: '0.85' threshold_method: digital.THRESHOLD_ABSOLUTE states: bus_sink: false @@ -389,6 +370,25 @@ blocks: coordinate: [768, 972.0] rotation: 0 state: true +- name: digital_lms_dd_equalizer_cc_0 + id: digital_lms_dd_equalizer_cc + parameters: + affinity: '' + alias: '' + cnst: qpsk_const + comment: '' + maxoutbuf: '0' + minoutbuf: '0' + mu: 3e-3 + num_taps: '15' + sps: '1' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [520, 1100.0] + rotation: 0 + state: enabled - name: digital_pfb_clock_sync_xxx_0 id: digital_pfb_clock_sync_xxx parameters: @@ -523,7 +523,7 @@ blocks: bus_structure: null coordinate: [1008, 988.0] rotation: 0 - state: true + state: enabled - name: import_0 id: import parameters: @@ -537,7 +537,7 @@ blocks: coordinate: [224, 12.0] rotation: 0 state: enabled -- name: qtgui_const_sink_x_0 +- name: qtgui_const_sink_x_0_0 id: qtgui_const_sink_x parameters: affinity: '' @@ -557,7 +557,7 @@ blocks: color1: '"blue"' color10: '"red"' color2: '"red"' - color3: '"red"' + color3: '"dark green"' color4: '"red"' color5: '"red"' color6: '"red"' @@ -589,7 +589,7 @@ blocks: marker8: '0' marker9: '0' name: '""' - nconnections: '1' + nconnections: '3' size: '1024' style1: '0' style10: '0' @@ -626,7 +626,7 @@ blocks: bus_sink: false bus_source: false bus_structure: null - coordinate: [1240, 828.0] + coordinate: [1128, 784.0] rotation: 0 state: true - name: qtgui_time_sink_x_0 @@ -795,7 +795,7 @@ blocks: bw7: '0' bw8: '0' bw9: '0' - center_freq0: '0' + center_freq0: 2.4e9 center_freq1: '0' center_freq10: '0' center_freq11: '0' @@ -828,7 +828,7 @@ blocks: center_freq8: '0' center_freq9: '0' clock_rate: 0e0 - clock_source0: '' + clock_source0: external clock_source1: '' clock_source2: '' clock_source3: '' @@ -837,9 +837,9 @@ blocks: clock_source6: '' clock_source7: '' comment: '' - dev_addr: '""' + dev_addr: '"serial=309AF59 "' dev_args: '""' - gain0: '0' + gain0: '0.4' gain1: '0' gain10: '0' gain11: '0' @@ -939,7 +939,7 @@ blocks: maxoutbuf: '0' minoutbuf: '0' nchan: '1' - norm_gain0: 'False' + norm_gain0: 'True' norm_gain1: 'False' norm_gain10: 'False' norm_gain11: 'False' @@ -1000,7 +1000,7 @@ blocks: bus_sink: false bus_source: false bus_structure: null - coordinate: [320, 700.0] + coordinate: [312, 692.0] rotation: 0 state: true - name: uhd_usrp_source_0 @@ -1072,7 +1072,7 @@ blocks: bw7: '0' bw8: '0' bw9: '0' - center_freq0: '0' + center_freq0: 2.4e9 center_freq1: '0' center_freq10: '0' center_freq11: '0' @@ -1105,7 +1105,7 @@ blocks: center_freq8: '0' center_freq9: '0' clock_rate: 0e0 - clock_source0: '' + clock_source0: external clock_source1: '' clock_source2: '' clock_source3: '' @@ -1146,9 +1146,9 @@ blocks: dc_offs_enb7: '""' dc_offs_enb8: '""' dc_offs_enb9: '""' - dev_addr: '""' + dev_addr: '"serial=309AF6A "' dev_args: '""' - gain0: '0' + gain0: '1' gain1: '0' gain10: '0' gain11: '0' @@ -1279,7 +1279,7 @@ blocks: maxoutbuf: '0' minoutbuf: '0' nchan: '1' - norm_gain0: 'False' + norm_gain0: 'True' norm_gain1: 'False' norm_gain10: 'False' norm_gain11: 'False' @@ -1372,7 +1372,7 @@ blocks: bus_sink: false bus_source: false bus_structure: null - coordinate: [696, 692.0] + coordinate: [696, 676.0] rotation: 0 state: true - name: virtual_sink_0 @@ -1385,7 +1385,7 @@ blocks: bus_sink: false bus_source: false bus_structure: null - coordinate: [928, 428.0] + coordinate: [768, 428.0] rotation: 0 state: true - name: virtual_sink_1 @@ -1450,7 +1450,7 @@ blocks: bus_sink: false bus_source: false bus_structure: null - coordinate: [56, 756.0] + coordinate: [56, 764.0] rotation: 0 state: true @@ -1461,20 +1461,24 @@ connections: - [blocks_stream_mux_0, '0', digital_constellation_modulator_0, '0'] - [blocks_stream_to_vector_0, '0', fadingui_ber_0, '0'] - [blocks_tagged_stream_align_0, '0', blocks_repack_bits_bb_0, '0'] -- [blocks_throttle_0, '0', virtual_sink_0, '0'] - [blocks_vector_source_x_0, '0', blocks_stream_mux_0, '0'] - [digital_cma_equalizer_cc_0, '0', digital_corr_est_cc_0, '0'] - [digital_cma_equalizer_cc_0, '0', fadingui_netsink_1, '0'] +- [digital_cma_equalizer_cc_0, '0', qtgui_const_sink_x_0_0, '1'] - [digital_constellation_decoder_cb_0, '0', blocks_tagged_stream_align_0, '0'] -- [digital_constellation_modulator_0, '0', blocks_throttle_0, '0'] - [digital_constellation_modulator_0, '0', fadingui_netsink_0, '0'] +- [digital_constellation_modulator_0, '0', virtual_sink_0, '0'] - [digital_corr_est_cc_0, '0', fadingui_phasecorrection_0, '0'] - [digital_corr_est_cc_0, '1', blocks_complex_to_mag_0, '0'] +- [digital_lms_dd_equalizer_cc_0, '0', digital_corr_est_cc_0, '0'] +- [digital_lms_dd_equalizer_cc_0, '0', qtgui_const_sink_x_0_0, '1'] - [digital_pfb_clock_sync_xxx_0, '0', digital_cma_equalizer_cc_0, '0'] +- [digital_pfb_clock_sync_xxx_0, '0', digital_lms_dd_equalizer_cc_0, '0'] - [digital_pfb_clock_sync_xxx_0, '0', fadingui_netsink_4, '0'] +- [digital_pfb_clock_sync_xxx_0, '0', qtgui_const_sink_x_0_0, '0'] - [fadingui_datasource_0, '0', digital_constellation_modulator_0, '0'] - [fadingui_phasecorrection_0, '0', fadingui_netsink_3, '0'] -- [fadingui_phasecorrection_0, '0', qtgui_const_sink_x_0, '0'] +- [fadingui_phasecorrection_0, '0', qtgui_const_sink_x_0_0, '2'] - [fadingui_phasecorrection_0, '0', virtual_sink_2, '0'] - [uhd_usrp_source_0, '0', virtual_sink_1, '0'] - [virtual_source_0, '0', digital_constellation_decoder_cb_0, '0'] diff --git a/flowgraphs/qpsk_hw.py b/flowgraphs/qpsk_hw.py index 6f64876..eb6bf70 100755 --- a/flowgraphs/qpsk_hw.py +++ b/flowgraphs/qpsk_hw.py @@ -85,26 +85,27 @@ class qpsk_hw(gr.top_block, Qt.QWidget): self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), excess_bw, 45*nfilts) self.qpsk_const = qpsk_const = digital.constellation_qpsk().base() self.frame_len = frame_len = len(testvec) +4 - self.access_code_symbols = access_code_symbols = [(-0.7071067811865475-0.7071067811865475j), (0.7071067811865475-0.7071067811865475j), (0.7071067811865475+0.7071067811865475j), (0.7071067811865475+0.7071067811865475j), (-0.7071067811865475-0.7071067811865475j), (0.7071067811865475+0.7071067811865475j), (0.7071067811865475-0.7071067811865475j), (0.7071067811865475-0.7071067811865475j)] + self.access_code_symbols = access_code_symbols = 2 * np.array([(-0.7071067811865475-0.7071067811865475j), (0.7071067811865475-0.7071067811865475j), (0.7071067811865475+0.7071067811865475j), (0.7071067811865475+0.7071067811865475j), (-0.7071067811865475-0.7071067811865475j), (0.7071067811865475+0.7071067811865475j), (0.7071067811865475-0.7071067811865475j), (0.7071067811865475-0.7071067811865475j)]) ################################################## # Blocks ################################################## self.uhd_usrp_source_0 = uhd.usrp_source( - ",".join(("", "")), + ",".join(("serial=309AF6A ", "")), uhd.stream_args( cpu_format="fc32", args='', channels=list(range(0,1)), ), ) - self.uhd_usrp_source_0.set_center_freq(0, 0) - self.uhd_usrp_source_0.set_gain(0, 0) + self.uhd_usrp_source_0.set_clock_source('external', 0) + self.uhd_usrp_source_0.set_center_freq(2.4e9, 0) + self.uhd_usrp_source_0.set_normalized_gain(1, 0) self.uhd_usrp_source_0.set_antenna('RX2', 0) self.uhd_usrp_source_0.set_samp_rate(samp_rate) self.uhd_usrp_source_0.set_time_unknown_pps(uhd.time_spec()) self.uhd_usrp_sink_0 = uhd.usrp_sink( - ",".join(("", "")), + ",".join(("serial=309AF59 ", "")), uhd.stream_args( cpu_format="fc32", args='', @@ -112,8 +113,9 @@ class qpsk_hw(gr.top_block, Qt.QWidget): ), '', ) - self.uhd_usrp_sink_0.set_center_freq(0, 0) - self.uhd_usrp_sink_0.set_gain(0, 0) + self.uhd_usrp_sink_0.set_clock_source('external', 0) + self.uhd_usrp_sink_0.set_center_freq(2.4e9, 0) + self.uhd_usrp_sink_0.set_normalized_gain(0.4, 0) self.uhd_usrp_sink_0.set_antenna('TX/RX', 0) self.uhd_usrp_sink_0.set_samp_rate(samp_rate) self.uhd_usrp_sink_0.set_time_unknown_pps(uhd.time_spec()) @@ -164,25 +166,25 @@ class qpsk_hw(gr.top_block, Qt.QWidget): self._qtgui_time_sink_x_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_win) - self.qtgui_const_sink_x_0 = qtgui.const_sink_c( + self.qtgui_const_sink_x_0_0 = qtgui.const_sink_c( 1024, #size "", #name - 1 #number of inputs + 3 #number of inputs ) - self.qtgui_const_sink_x_0.set_update_time(0.10) - self.qtgui_const_sink_x_0.set_y_axis(-2, 2) - self.qtgui_const_sink_x_0.set_x_axis(-2, 2) - self.qtgui_const_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") - self.qtgui_const_sink_x_0.enable_autoscale(False) - self.qtgui_const_sink_x_0.enable_grid(False) - self.qtgui_const_sink_x_0.enable_axis_labels(True) + self.qtgui_const_sink_x_0_0.set_update_time(0.10) + self.qtgui_const_sink_x_0_0.set_y_axis(-2, 2) + self.qtgui_const_sink_x_0_0.set_x_axis(-2, 2) + self.qtgui_const_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") + self.qtgui_const_sink_x_0_0.enable_autoscale(False) + self.qtgui_const_sink_x_0_0.enable_grid(False) + self.qtgui_const_sink_x_0_0.enable_axis_labels(True) labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] - colors = ["blue", "red", "red", "red", "red", + colors = ["blue", "red", "dark green", "red", "red", "red", "red", "red", "red", "red"] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] @@ -191,23 +193,24 @@ class qpsk_hw(gr.top_block, Qt.QWidget): alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] - for i in range(1): + for i in range(3): if len(labels[i]) == 0: - self.qtgui_const_sink_x_0.set_line_label(i, "Data {0}".format(i)) + self.qtgui_const_sink_x_0_0.set_line_label(i, "Data {0}".format(i)) else: - self.qtgui_const_sink_x_0.set_line_label(i, labels[i]) - self.qtgui_const_sink_x_0.set_line_width(i, widths[i]) - self.qtgui_const_sink_x_0.set_line_color(i, colors[i]) - self.qtgui_const_sink_x_0.set_line_style(i, styles[i]) - self.qtgui_const_sink_x_0.set_line_marker(i, markers[i]) - self.qtgui_const_sink_x_0.set_line_alpha(i, alphas[i]) - - self._qtgui_const_sink_x_0_win = sip.wrapinstance(self.qtgui_const_sink_x_0.pyqwidget(), Qt.QWidget) - self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_win) + self.qtgui_const_sink_x_0_0.set_line_label(i, labels[i]) + self.qtgui_const_sink_x_0_0.set_line_width(i, widths[i]) + self.qtgui_const_sink_x_0_0.set_line_color(i, colors[i]) + self.qtgui_const_sink_x_0_0.set_line_style(i, styles[i]) + self.qtgui_const_sink_x_0_0.set_line_marker(i, markers[i]) + self.qtgui_const_sink_x_0_0.set_line_alpha(i, alphas[i]) + + 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_ber_0 = fadingui.ber(vgl=testvec + list(np.zeros(4)), vlen=frame_len) 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_corr_est_cc_0 = digital.corr_est_cc(access_code_symbols, 1, len(access_code_symbols) // 2, 0.9, digital.THRESHOLD_ABSOLUTE) + self.digital_lms_dd_equalizer_cc_0 = digital.lms_dd_equalizer_cc(15, 3e-3, 1, qpsk_const) + self.digital_corr_est_cc_0 = digital.corr_est_cc(access_code_symbols, 1, len(access_code_symbols) // 2, 0.85, digital.THRESHOLD_ABSOLUTE) self.digital_constellation_modulator_0 = digital.generic_mod( constellation=qpsk_const, differential=False, @@ -217,9 +220,7 @@ class qpsk_hw(gr.top_block, Qt.QWidget): verbose=False, 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.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') 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]) @@ -238,16 +239,17 @@ class qpsk_hw(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.uhd_usrp_sink_0, 0)) self.connect((self.blocks_vector_source_x_0, 0), (self.blocks_stream_mux_0, 0)) - self.connect((self.digital_cma_equalizer_cc_0, 0), (self.digital_corr_est_cc_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_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_pfb_clock_sync_xxx_0, 0), (self.digital_cma_equalizer_cc_0, 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.qtgui_const_sink_x_0_0, 1)) + 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.qtgui_const_sink_x_0_0, 0)) self.connect((self.fadingui_phasecorrection_0, 0), (self.digital_constellation_decoder_cb_0, 0)) - self.connect((self.fadingui_phasecorrection_0, 0), (self.qtgui_const_sink_x_0, 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.digital_pfb_clock_sync_xxx_0, 0)) @@ -291,7 +293,6 @@ class qpsk_hw(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.qtgui_time_sink_x_0.set_samp_rate(self.samp_rate / self.sps) self.uhd_usrp_sink_0.set_samp_rate(self.samp_rate) self.uhd_usrp_source_0.set_samp_rate(self.samp_rate) diff --git a/hardware/QPSK/qpks.py b/hardware/QPSK/qpks.py index f89ac12..dee7994 100755 --- a/hardware/QPSK/qpks.py +++ b/hardware/QPSK/qpks.py @@ -80,7 +80,7 @@ class qpks(gr.top_block, Qt.QWidget): self.nfilts = nfilts = 32 self.excess_bw = excess_bw = .35 self.timing_loop_bw = timing_loop_bw = 2 * 3.141592653589793 / 100 - self.samp_rate = samp_rate = .4e6 + self.samp_rate = samp_rate = 1e6 self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), excess_bw, 45*nfilts) self.qpsk_const = qpsk_const = digital.constellation_rect([0.707+0.707j, -0.707+0.707j, -0.707-0.707j, 0.707-0.707j], [0, 1, 3, 2], 4, 2, 2, 1, 1).base() @@ -837,7 +837,7 @@ class qpks(gr.top_block, Qt.QWidget): self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(qpsk_const) self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc(eq_ntaps, eq_mod, eq_gain, int(sps / 2)) self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_char*1) - self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, '/home/god/Documents/Fading/hardware/QPSK/lena512color.tiff', True, 0, 0) + self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, '/home/sara/Documents/Fading/hardware/QPSK/lena512color.tiff', True, 0, 0) self.blocks_file_source_0.set_begin_tag(pmt.PMT_NIL) diff --git a/hardware/QPSK/qpsk.grc b/hardware/QPSK/qpsk.grc index fd17712..279385d 100644 --- a/hardware/QPSK/qpsk.grc +++ b/hardware/QPSK/qpsk.grc @@ -158,7 +158,7 @@ blocks: id: variable parameters: comment: '' - value: .4e6 + value: 1e6 states: bus_sink: false bus_source: false @@ -215,7 +215,7 @@ blocks: alias: '' begin_tag: pmt.PMT_NIL comment: '' - file: /home/god/Documents/Fading/hardware/QPSK/lena512color.tiff + file: /home/sara/Documents/Fading/hardware/QPSK/lena512color.tiff length: '0' maxoutbuf: '0' minoutbuf: '0' diff --git a/simulation/QAM_Fading/qam_fading.py b/simulation/QAM_Fading/qam_fading.py index c6116f4..56a3847 100755 --- a/simulation/QAM_Fading/qam_fading.py +++ b/simulation/QAM_Fading/qam_fading.py @@ -29,7 +29,6 @@ from gnuradio import blocks import numpy from gnuradio import channels from gnuradio import digital -from gnuradio import filter from gnuradio import gr import sys import signal @@ -88,7 +87,7 @@ class qam_fading(gr.top_block, Qt.QWidget): self.phase_bw = phase_bw = 2 * 3.141592653589793 / 100 self.noise_volt = noise_volt = 0.0001 self.freq_offset = freq_offset = 0 - self.fc = fc = 1 + self.fc = fc = 2.4 self.eq_ntaps = eq_ntaps = 15 self.eq_mod = eq_mod = 1 self.eq_gain = eq_gain = .01 @@ -163,8 +162,8 @@ class qam_fading(gr.top_block, Qt.QWidget): self.params_grid_layout_0.setRowStretch(r, 1) for c in range(0, 1): self.params_grid_layout_0.setColumnStretch(c, 1) - self._fc_range = Range(0, 1000000000, 1, 1, 200) - self._fc_win = RangeWidget(self._fc_range, self.set_fc, 'fc', "counter_slider", int) + self._fc_range = Range(0, 10, 1, 2.4, 200) + self._fc_win = RangeWidget(self._fc_range, self.set_fc, 'fc', "counter_slider", float) self.params_grid_layout_0.addWidget(self._fc_win, 1, 2, 1, 1) for r in range(1, 2): self.params_grid_layout_0.setRowStretch(r, 1) @@ -272,46 +271,6 @@ class qam_fading(gr.top_block, Qt.QWidget): self.plots_grid_layout_1.setRowStretch(r, 1) for c in range(0, 1): self.plots_grid_layout_1.setColumnStretch(c, 1) - self.qtgui_const_sink_x_3 = qtgui.const_sink_c( - 1024, #size - "", #name - 1 #number of inputs - ) - self.qtgui_const_sink_x_3.set_update_time(0.10) - self.qtgui_const_sink_x_3.set_y_axis(-2, 2) - self.qtgui_const_sink_x_3.set_x_axis(-2, 2) - self.qtgui_const_sink_x_3.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") - self.qtgui_const_sink_x_3.enable_autoscale(False) - self.qtgui_const_sink_x_3.enable_grid(False) - self.qtgui_const_sink_x_3.enable_axis_labels(True) - - - labels = ['', '', '', '', '', - '', '', '', '', ''] - widths = [1, 1, 1, 1, 1, - 1, 1, 1, 1, 1] - colors = ["blue", "red", "red", "red", "red", - "red", "red", "red", "red", "red"] - styles = [0, 0, 0, 0, 0, - 0, 0, 0, 0, 0] - markers = [0, 0, 0, 0, 0, - 0, 0, 0, 0, 0] - alphas = [1.0, 1.0, 1.0, 1.0, 1.0, - 1.0, 1.0, 1.0, 1.0, 1.0] - - for i in range(1): - if len(labels[i]) == 0: - self.qtgui_const_sink_x_3.set_line_label(i, "Data {0}".format(i)) - else: - self.qtgui_const_sink_x_3.set_line_label(i, labels[i]) - self.qtgui_const_sink_x_3.set_line_width(i, widths[i]) - self.qtgui_const_sink_x_3.set_line_color(i, colors[i]) - self.qtgui_const_sink_x_3.set_line_style(i, styles[i]) - self.qtgui_const_sink_x_3.set_line_marker(i, markers[i]) - self.qtgui_const_sink_x_3.set_line_alpha(i, alphas[i]) - - self._qtgui_const_sink_x_3_win = sip.wrapinstance(self.qtgui_const_sink_x_3.pyqwidget(), Qt.QWidget) - self.top_grid_layout.addWidget(self._qtgui_const_sink_x_3_win) self.qtgui_const_sink_x_2 = qtgui.const_sink_c( 1024, #size "Locked", #name @@ -508,7 +467,7 @@ class qam_fading(gr.top_block, Qt.QWidget): self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(const) self.digital_cma_equalizer_cc_0_0 = digital.cma_equalizer_cc(eq_ntaps, eq_mod, eq_gain, 2) self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc(eq_ntaps, eq_mod, eq_gain, 2) - self.channels_selective_fading_model_0 = channels.selective_fading_model( 8, ((4*fc)/(3*10e8))/samp_rate, False, 4, 0, (0,2e-5/samp_rate), (1,0.12), 8 ) + self.channels_selective_fading_model_0 = channels.selective_fading_model( 8, ((2*fc*1e9)/(3*10e8))/samp_rate, False, 4, 0, (0,1.8), (1,0.12), 8 ) self.channels_channel_model_0 = channels.channel_model( noise_voltage=noise_volt, frequency_offset=freq_offset, @@ -555,7 +514,6 @@ class qam_fading(gr.top_block, Qt.QWidget): self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_diff_decoder_bb_0, 0)) self.connect((self.digital_constellation_decoder_cb_0_0, 0), (self.digital_diff_decoder_bb_0_0, 0)) self.connect((self.digital_constellation_modulator_0, 0), (self.blocks_throttle_0, 0)) - self.connect((self.digital_constellation_modulator_0, 0), (self.qtgui_const_sink_x_3, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.digital_constellation_decoder_cb_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.qtgui_const_sink_x_2, 0)) self.connect((self.digital_costas_loop_cc_0_0, 0), (self.digital_constellation_decoder_cb_0_0, 0)) @@ -623,8 +581,7 @@ class qam_fading(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.blocks_throttle_0_0.set_sample_rate(self.samp_rate) - self.channels_selective_fading_model_0.set_fDTs(((4*self.fc)/(3*10e8))/self.samp_rate) + self.channels_selective_fading_model_0.set_fDTs(((2*self.fc*1e9)/(3*10e8))/self.samp_rate) self.qtgui_freq_sink_x_0.set_frequency_range(0, self.samp_rate) self.qtgui_time_sink_x_0.set_samp_rate(self.samp_rate) @@ -635,7 +592,6 @@ class qam_fading(gr.top_block, Qt.QWidget): self.rrc_taps = rrc_taps self.digital_pfb_clock_sync_xxx_0.update_taps(self.rrc_taps) self.digital_pfb_clock_sync_xxx_0_0.update_taps(self.rrc_taps) - self.fir_filter_xxx_0.set_taps(self.rrc_taps) def get_phase_bw(self): return self.phase_bw @@ -664,7 +620,7 @@ class qam_fading(gr.top_block, Qt.QWidget): def set_fc(self, fc): self.fc = fc - self.channels_selective_fading_model_0.set_fDTs(((4*self.fc)/(3*10e8))/self.samp_rate) + self.channels_selective_fading_model_0.set_fDTs(((2*self.fc*1e9)/(3*10e8))/self.samp_rate) def get_eq_ntaps(self): return self.eq_ntaps diff --git a/src/gr-fadingui/python/ber.py b/src/gr-fadingui/python/ber.py index e966f17..5b71f35 100644 --- a/src/gr-fadingui/python/ber.py +++ b/src/gr-fadingui/python/ber.py @@ -26,6 +26,8 @@ from gnuradio import gr from fadingui.logger import get_logger log = get_logger("ber") +np.set_printoptions(formatter={'int': hex}) + class ber(gr.sync_block): """ docstring for block ber @@ -41,18 +43,16 @@ class ber(gr.sync_block): def work(self, input_items, output_items): inp = input_items[0] - ber_tot = 0 log.debug(f"Length: {len(inp)}") log.debug(f"Inp_vector:{inp}") for i in inp: - log.debug(f"In Schlaufe{i}") - v = np.array(self.vgl, dtype=np.uint8)^np.array(i, dtype=np.uint8) + i = np.array(i, dtype=np.uint8) + v = np.array(self.vgl, dtype=np.uint8) ^ i ber = sum(np.unpackbits(v)) - log.debug(f"BER {ber} in Paket {i}") - ber_tot+=ber - log.debug(f"BER Total{ber_tot}") - + + trueber = ber - 32 + log.debug(f"BER {trueber if trueber > 0 else 0} in Paket {i}") return len(input_items[0]) diff --git a/src/gr-fadingui/python/phasecorrection.py b/src/gr-fadingui/python/phasecorrection.py index cd3fa37..9acf563 100644 --- a/src/gr-fadingui/python/phasecorrection.py +++ b/src/gr-fadingui/python/phasecorrection.py @@ -68,12 +68,15 @@ class phasecorrection(gr.sync_block): phasediff = (ephase - sphase) % (2 * np.pi) freq = phasediff / nsamples + if freq < 1e-3: + freq = 0 + # save this one for the last block (see variable `end' in self.work) self.lastfreq = freq # debugging log.debug(f"Correction for chunk of {nsamples:2d} samples is " \ - f"sphase={sphase: .4f} rad and freq={freq*1e3: .4f}e-3 rad / sample") + f"sphase={sphase: .4f} rad, ephase={ephase: .4f} rad and freq={freq*1e3: .4f}e-3 rad / sample") self.lastnsamples = nsamples # compute chunk values |