diff options
Diffstat (limited to '')
| -rwxr-xr-x | tests/Simulation/QPKS/qpks.py | 303 |
1 files changed, 208 insertions, 95 deletions
diff --git a/tests/Simulation/QPKS/qpks.py b/tests/Simulation/QPKS/qpks.py index 4027eb3..c8d5f82 100755 --- a/tests/Simulation/QPKS/qpks.py +++ b/tests/Simulation/QPKS/qpks.py @@ -6,6 +6,7 @@ # # GNU Radio Python Flow Graph # Title: QPSK +# Author: Pross Naoki, Halter Sara Cinzia # GNU Radio version: 3.8.2.0 from distutils.version import StrictVersion @@ -78,106 +79,99 @@ class qpks(gr.top_block, Qt.QWidget): self.nfilts = nfilts = 32 self.timing_loop_bw = timing_loop_bw = 2 * 3.141592653589793 / 100 self.time_offset = time_offset = 1.0 - self.taps = taps = [1.0 + 0.0j, ] self.samp_rate = samp_rate = 32000 self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), 0.35, 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() + self.phase_bw = phase_bw = 2 * 3.141592653589793 / 100 self.noise_volt = noise_volt = 0.0001 self.freq_offset = freq_offset = 0 self.excess_bw = excess_bw = 350e-3 + self.eq_ntaps = eq_ntaps = 15 + self.eq_mod = eq_mod = 1 + self.eq_gain = eq_gain = .01 + self.chn_taps = chn_taps = [1.0 + 0.0j, ] ################################################## # Blocks ################################################## + self.params = Qt.QTabWidget() + self.params_widget_0 = Qt.QWidget() + self.params_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.params_widget_0) + self.params_grid_layout_0 = Qt.QGridLayout() + self.params_layout_0.addLayout(self.params_grid_layout_0) + self.params.addTab(self.params_widget_0, 'Channel') + self.params_widget_1 = Qt.QWidget() + self.params_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.params_widget_1) + self.params_grid_layout_1 = Qt.QGridLayout() + self.params_layout_1.addLayout(self.params_grid_layout_1) + self.params.addTab(self.params_widget_1, 'Receiver') + self.top_grid_layout.addWidget(self.params) self._timing_loop_bw_range = Range(0, 200e-3, 10e-3, 2 * 3.141592653589793 / 100, 200) - self._timing_loop_bw_win = RangeWidget(self._timing_loop_bw_range, self.set_timing_loop_bw, 'Time: BW', "counter_slider", float) - self.top_grid_layout.addWidget(self._timing_loop_bw_win, 1, 1, 1, 1) + self._timing_loop_bw_win = RangeWidget(self._timing_loop_bw_range, self.set_timing_loop_bw, 'Time Bandwidth', "counter_slider", float) + self.params_grid_layout_0.addWidget(self._timing_loop_bw_win, 1, 1, 1, 1) for r in range(1, 2): - self.top_grid_layout.setRowStretch(r, 1) + self.params_grid_layout_0.setRowStretch(r, 1) for c in range(1, 2): - self.top_grid_layout.setColumnStretch(c, 1) + self.params_grid_layout_0.setColumnStretch(c, 1) self._time_offset_range = Range(0.999, 1.001, 0.0001, 1.0, 200) self._time_offset_win = RangeWidget(self._time_offset_range, self.set_time_offset, 'Timing Offset', "counter_slider", float) - self.top_grid_layout.addWidget(self._time_offset_win, 0, 1, 1, 1) + self.params_grid_layout_0.addWidget(self._time_offset_win, 0, 1, 1, 1) for r in range(0, 1): - self.top_grid_layout.setRowStretch(r, 1) + self.params_grid_layout_0.setRowStretch(r, 1) for c in range(1, 2): - self.top_grid_layout.setColumnStretch(c, 1) + self.params_grid_layout_0.setColumnStretch(c, 1) + self.plots = Qt.QTabWidget() + self.plots_widget_0 = Qt.QWidget() + self.plots_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.plots_widget_0) + self.plots_grid_layout_0 = Qt.QGridLayout() + self.plots_layout_0.addLayout(self.plots_grid_layout_0) + self.plots.addTab(self.plots_widget_0, 'Constellations') + self.plots_widget_1 = Qt.QWidget() + self.plots_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.plots_widget_1) + self.plots_grid_layout_1 = Qt.QGridLayout() + self.plots_layout_1.addLayout(self.plots_grid_layout_1) + self.plots.addTab(self.plots_widget_1, 'Frequency') + self.plots_widget_2 = Qt.QWidget() + self.plots_layout_2 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.plots_widget_2) + self.plots_grid_layout_2 = Qt.QGridLayout() + self.plots_layout_2.addLayout(self.plots_grid_layout_2) + self.plots.addTab(self.plots_widget_2, 'Time') + self.top_grid_layout.addWidget(self.plots) + self._phase_bw_range = Range(0, 1, .01, 2 * 3.141592653589793 / 100, 200) + self._phase_bw_win = RangeWidget(self._phase_bw_range, self.set_phase_bw, 'Phase Bandwidth', "counter_slider", float) + self.params_grid_layout_1.addWidget(self._phase_bw_win, 1, 0, 1, 1) + for r in range(1, 2): + self.params_grid_layout_1.setRowStretch(r, 1) + for c in range(0, 1): + self.params_grid_layout_1.setColumnStretch(c, 1) self._noise_volt_range = Range(0, 1, 0.01, 0.0001, 200) self._noise_volt_win = RangeWidget(self._noise_volt_range, self.set_noise_volt, 'Noise Voltage', "counter_slider", float) - self.top_grid_layout.addWidget(self._noise_volt_win, 0, 0, 1, 1) + self.params_grid_layout_0.addWidget(self._noise_volt_win, 0, 0, 1, 1) for r in range(0, 1): - self.top_grid_layout.setRowStretch(r, 1) + self.params_grid_layout_0.setRowStretch(r, 1) for c in range(0, 1): - self.top_grid_layout.setColumnStretch(c, 1) + self.params_grid_layout_0.setColumnStretch(c, 1) self._freq_offset_range = Range(-100e-3, 100e-3, 1e-3, 0, 200) self._freq_offset_win = RangeWidget(self._freq_offset_range, self.set_freq_offset, 'Frequency Offset', "counter_slider", float) - self.top_grid_layout.addWidget(self._freq_offset_win, 1, 0, 1, 1) + self.params_grid_layout_0.addWidget(self._freq_offset_win, 1, 0, 1, 1) for r in range(1, 2): - self.top_grid_layout.setRowStretch(r, 1) + self.params_grid_layout_0.setRowStretch(r, 1) for c in range(0, 1): - self.top_grid_layout.setColumnStretch(c, 1) - self.qtgui_time_sink_x_0 = qtgui.time_sink_c( - 1024, #size - samp_rate, #samp_rate - "Channel Input Spectrum", #name - 1 #number of inputs - ) - self.qtgui_time_sink_x_0.set_update_time(0.10) - self.qtgui_time_sink_x_0.set_y_axis(-1, 1) - - self.qtgui_time_sink_x_0.set_y_label('Amplitude', "") - - self.qtgui_time_sink_x_0.enable_tags(True) - self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") - self.qtgui_time_sink_x_0.enable_autoscale(False) - self.qtgui_time_sink_x_0.enable_grid(False) - self.qtgui_time_sink_x_0.enable_axis_labels(True) - self.qtgui_time_sink_x_0.enable_control_panel(False) - self.qtgui_time_sink_x_0.enable_stem_plot(False) - - - labels = ['Signal 1', 'Signal 2', 'Signal 3', 'Signal 4', 'Signal 5', - 'Signal 6', 'Signal 7', 'Signal 8', 'Signal 9', 'Signal 10'] - widths = [1, 1, 1, 1, 1, - 1, 1, 1, 1, 1] - colors = ['blue', 'red', 'green', 'black', 'cyan', - 'magenta', 'yellow', 'dark red', 'dark green', 'dark blue'] - alphas = [1.0, 1.0, 1.0, 1.0, 1.0, - 1.0, 1.0, 1.0, 1.0, 1.0] - styles = [1, 1, 1, 1, 1, - 1, 1, 1, 1, 1] - markers = [-1, -1, -1, -1, -1, - -1, -1, -1, -1, -1] - - - for i in range(2): - if len(labels[i]) == 0: - if (i % 2 == 0): - self.qtgui_time_sink_x_0.set_line_label(i, "Re{{Data {0}}}".format(i/2)) - else: - self.qtgui_time_sink_x_0.set_line_label(i, "Im{{Data {0}}}".format(i/2)) - else: - self.qtgui_time_sink_x_0.set_line_label(i, labels[i]) - self.qtgui_time_sink_x_0.set_line_width(i, widths[i]) - self.qtgui_time_sink_x_0.set_line_color(i, colors[i]) - self.qtgui_time_sink_x_0.set_line_style(i, styles[i]) - self.qtgui_time_sink_x_0.set_line_marker(i, markers[i]) - self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i]) - - 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, 2, 0, 1, 1) - for r in range(2, 3): - self.top_grid_layout.setRowStretch(r, 1) + self.params_grid_layout_0.setColumnStretch(c, 1) + self._eq_gain_range = Range(0, .1, .001, .01, 200) + self._eq_gain_win = RangeWidget(self._eq_gain_range, self.set_eq_gain, 'Equalizer Rate', "counter_slider", float) + self.params_grid_layout_1.addWidget(self._eq_gain_win, 0, 0, 1, 1) + for r in range(0, 1): + self.params_grid_layout_1.setRowStretch(r, 1) for c in range(0, 1): - self.top_grid_layout.setColumnStretch(c, 1) + self.params_grid_layout_1.setColumnStretch(c, 1) self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw - "Channel Input", #name + "Channel", #name 1 ) self.qtgui_freq_sink_x_0.set_update_time(0.10) @@ -211,14 +205,102 @@ class qpks(gr.top_block, Qt.QWidget): self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_freq_sink_x_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget) - self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win, 3, 0, 1, 1) - for r in range(3, 4): - self.top_grid_layout.setRowStretch(r, 1) + self.plots_grid_layout_1.addWidget(self._qtgui_freq_sink_x_0_win, 0, 0, 1, 1) + for r in range(0, 1): + 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_2 = qtgui.const_sink_c( + 1024, #size + "Locked", #name + 1 #number of inputs + ) + self.qtgui_const_sink_x_2.set_update_time(0.10) + self.qtgui_const_sink_x_2.set_y_axis(-2, 2) + self.qtgui_const_sink_x_2.set_x_axis(-2, 2) + self.qtgui_const_sink_x_2.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") + self.qtgui_const_sink_x_2.enable_autoscale(False) + self.qtgui_const_sink_x_2.enable_grid(False) + self.qtgui_const_sink_x_2.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_2.set_line_label(i, "Data {0}".format(i)) + else: + self.qtgui_const_sink_x_2.set_line_label(i, labels[i]) + self.qtgui_const_sink_x_2.set_line_width(i, widths[i]) + self.qtgui_const_sink_x_2.set_line_color(i, colors[i]) + self.qtgui_const_sink_x_2.set_line_style(i, styles[i]) + self.qtgui_const_sink_x_2.set_line_marker(i, markers[i]) + self.qtgui_const_sink_x_2.set_line_alpha(i, alphas[i]) + + self._qtgui_const_sink_x_2_win = sip.wrapinstance(self.qtgui_const_sink_x_2.pyqwidget(), Qt.QWidget) + self.plots_grid_layout_0.addWidget(self._qtgui_const_sink_x_2_win, 1, 1, 1, 1) + for r in range(1, 2): + self.plots_grid_layout_0.setRowStretch(r, 1) + for c in range(1, 2): + self.plots_grid_layout_0.setColumnStretch(c, 1) + self.qtgui_const_sink_x_1 = qtgui.const_sink_c( + 1024, #size + "Equalized", #name + 1 #number of inputs + ) + self.qtgui_const_sink_x_1.set_update_time(0.10) + self.qtgui_const_sink_x_1.set_y_axis(-2, 2) + self.qtgui_const_sink_x_1.set_x_axis(-2, 2) + self.qtgui_const_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") + self.qtgui_const_sink_x_1.enable_autoscale(False) + self.qtgui_const_sink_x_1.enable_grid(False) + self.qtgui_const_sink_x_1.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_1.set_line_label(i, "Data {0}".format(i)) + else: + self.qtgui_const_sink_x_1.set_line_label(i, labels[i]) + self.qtgui_const_sink_x_1.set_line_width(i, widths[i]) + self.qtgui_const_sink_x_1.set_line_color(i, colors[i]) + self.qtgui_const_sink_x_1.set_line_style(i, styles[i]) + self.qtgui_const_sink_x_1.set_line_marker(i, markers[i]) + self.qtgui_const_sink_x_1.set_line_alpha(i, alphas[i]) + + self._qtgui_const_sink_x_1_win = sip.wrapinstance(self.qtgui_const_sink_x_1.pyqwidget(), Qt.QWidget) + self.plots_grid_layout_0.addWidget(self._qtgui_const_sink_x_1_win, 1, 0, 1, 1) + for r in range(1, 2): + self.plots_grid_layout_0.setRowStretch(r, 1) for c in range(0, 1): - self.top_grid_layout.setColumnStretch(c, 1) + self.plots_grid_layout_0.setColumnStretch(c, 1) self.qtgui_const_sink_x_0_0 = qtgui.const_sink_c( 2048, #size - "After Clock Sync", #name + "Synchronized", #name 1 #number of inputs ) self.qtgui_const_sink_x_0_0.set_update_time(0.10) @@ -255,14 +337,14 @@ class qpks(gr.top_block, Qt.QWidget): 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, 3, 1, 1, 1) - for r in range(3, 4): - self.top_grid_layout.setRowStretch(r, 1) + self.plots_grid_layout_0.addWidget(self._qtgui_const_sink_x_0_0_win, 0, 1, 1, 1) + for r in range(0, 1): + self.plots_grid_layout_0.setRowStretch(r, 1) for c in range(1, 2): - self.top_grid_layout.setColumnStretch(c, 1) + self.plots_grid_layout_0.setColumnStretch(c, 1) self.qtgui_const_sink_x_0 = qtgui.const_sink_c( 2048, #size - "After Channel", #name + "Channel", #name 1 #number of inputs ) self.qtgui_const_sink_x_0.set_update_time(0.10) @@ -299,12 +381,13 @@ class qpks(gr.top_block, Qt.QWidget): 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, 2, 1, 1, 1) - for r in range(2, 3): - self.top_grid_layout.setRowStretch(r, 1) - for c in range(1, 2): - self.top_grid_layout.setColumnStretch(c, 1) - self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps * 1.001, timing_loop_bw, rrc_taps, nfilts, nfilts/2, 1.5, 1) + self.plots_grid_layout_0.addWidget(self._qtgui_const_sink_x_0_win, 0, 0, 1, 1) + for r in range(0, 1): + self.plots_grid_layout_0.setRowStretch(r, 1) + for c in range(0, 1): + self.plots_grid_layout_0.setColumnStretch(c, 1) + self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps * 1.001, timing_loop_bw, rrc_taps, nfilts, nfilts/2, 1.5, 2) + self.digital_costas_loop_cc_0 = digital.costas_loop_cc(phase_bw, 4, False) self.digital_constellation_modulator_0 = digital.generic_mod( constellation=qpsk_const, differential=True, @@ -313,15 +396,16 @@ class qpks(gr.top_block, Qt.QWidget): excess_bw=excess_bw, verbose=False, log=False) + self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc(eq_ntaps, eq_mod, eq_gain, 2) self.channels_channel_model_0 = channels.channel_model( noise_voltage=noise_volt, frequency_offset=freq_offset, epsilon=time_offset, - taps=taps, + taps=chn_taps, noise_seed=0, block_tags=False) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True) - self.analog_random_source_x_0 = blocks.vector_source_b(list(map(int, numpy.random.randint(0, 2, 1000))), True) + self.analog_random_source_x_0 = blocks.vector_source_b(list(map(int, numpy.random.randint(0, 256, 1000))), True) @@ -333,8 +417,11 @@ class qpks(gr.top_block, Qt.QWidget): self.connect((self.channels_channel_model_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) self.connect((self.channels_channel_model_0, 0), (self.qtgui_const_sink_x_0, 0)) self.connect((self.channels_channel_model_0, 0), (self.qtgui_freq_sink_x_0, 0)) - self.connect((self.channels_channel_model_0, 0), (self.qtgui_time_sink_x_0, 0)) + self.connect((self.digital_cma_equalizer_cc_0, 0), (self.digital_costas_loop_cc_0, 0)) + self.connect((self.digital_cma_equalizer_cc_0, 0), (self.qtgui_const_sink_x_1, 0)) self.connect((self.digital_constellation_modulator_0, 0), (self.blocks_throttle_0, 0)) + self.connect((self.digital_costas_loop_cc_0, 0), (self.qtgui_const_sink_x_2, 0)) + self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_cma_equalizer_cc_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.qtgui_const_sink_x_0_0, 0)) @@ -371,13 +458,6 @@ class qpks(gr.top_block, Qt.QWidget): self.time_offset = time_offset self.channels_channel_model_0.set_timing_offset(self.time_offset) - def get_taps(self): - return self.taps - - def set_taps(self, taps): - self.taps = taps - self.channels_channel_model_0.set_taps(self.taps) - def get_samp_rate(self): return self.samp_rate @@ -385,7 +465,6 @@ class qpks(gr.top_block, Qt.QWidget): self.samp_rate = samp_rate self.blocks_throttle_0.set_sample_rate(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) def get_rrc_taps(self): return self.rrc_taps @@ -400,6 +479,13 @@ class qpks(gr.top_block, Qt.QWidget): def set_qpsk_const(self, qpsk_const): self.qpsk_const = qpsk_const + def get_phase_bw(self): + return self.phase_bw + + def set_phase_bw(self, phase_bw): + self.phase_bw = phase_bw + self.digital_costas_loop_cc_0.set_loop_bandwidth(self.phase_bw) + def get_noise_volt(self): return self.noise_volt @@ -420,6 +506,33 @@ class qpks(gr.top_block, Qt.QWidget): def set_excess_bw(self, excess_bw): self.excess_bw = excess_bw + def get_eq_ntaps(self): + return self.eq_ntaps + + def set_eq_ntaps(self, eq_ntaps): + self.eq_ntaps = eq_ntaps + + def get_eq_mod(self): + return self.eq_mod + + def set_eq_mod(self, eq_mod): + self.eq_mod = eq_mod + self.digital_cma_equalizer_cc_0.set_modulus(self.eq_mod) + + def get_eq_gain(self): + return self.eq_gain + + def set_eq_gain(self, eq_gain): + self.eq_gain = eq_gain + self.digital_cma_equalizer_cc_0.set_gain(self.eq_gain) + + def get_chn_taps(self): + return self.chn_taps + + def set_chn_taps(self, chn_taps): + self.chn_taps = chn_taps + self.channels_channel_model_0.set_taps(self.chn_taps) + |