diff options
Diffstat (limited to 'simulation/QAM_Fading/qam_fading.py')
| -rwxr-xr-x | simulation/QAM_Fading/qam_fading.py | 47 |
1 files changed, 41 insertions, 6 deletions
diff --git a/simulation/QAM_Fading/qam_fading.py b/simulation/QAM_Fading/qam_fading.py index 063c91b..fff224a 100755 --- a/simulation/QAM_Fading/qam_fading.py +++ b/simulation/QAM_Fading/qam_fading.py @@ -93,6 +93,8 @@ class qam_fading(gr.top_block, Qt.QWidget): self.eq_gain = eq_gain = .01 self.const = const = digital.constellation_16qam().base() self.chn_taps = chn_taps = [1.0 + 0.0j, ] + self.amp = amp = 0.2 + self.LOS_NLOS = LOS_NLOS = 1 ################################################## # Blocks @@ -108,6 +110,11 @@ class qam_fading(gr.top_block, Qt.QWidget): 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.params_widget_2 = Qt.QWidget() + self.params_layout_2 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.params_widget_2) + self.params_grid_layout_2 = Qt.QGridLayout() + self.params_layout_2.addLayout(self.params_grid_layout_2) + self.params.addTab(self.params_widget_2, 'Fading') 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 Bandwidth', "counter_slider", float) @@ -163,11 +170,11 @@ class qam_fading(gr.top_block, Qt.QWidget): self.params_grid_layout_0.setColumnStretch(c, 1) self._fading_1_range = Range(1, 30, 1, 2, 200) self._fading_1_win = RangeWidget(self._fading_1_range, self.set_fading_1, 'Fading', "counter_slider", int) - self.params_grid_layout_0.addWidget(self._fading_1_win, 2, 0, 1, 1) - for r in range(2, 3): - self.params_grid_layout_0.setRowStretch(r, 1) + self.params_grid_layout_2.addWidget(self._fading_1_win, 0, 0, 1, 1) + for r in range(0, 1): + self.params_grid_layout_2.setRowStretch(r, 1) for c in range(0, 1): - self.params_grid_layout_0.setColumnStretch(c, 1) + self.params_grid_layout_2.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) @@ -175,6 +182,20 @@ class qam_fading(gr.top_block, Qt.QWidget): self.params_grid_layout_1.setRowStretch(r, 1) for c in range(0, 1): self.params_grid_layout_1.setColumnStretch(c, 1) + self._amp_range = Range(0, 5, 0.1, 0.2, 200) + self._amp_win = RangeWidget(self._amp_range, self.set_amp, 'Ampliude', "counter_slider", float) + self.params_grid_layout_2.addWidget(self._amp_win, 1, 0, 1, 1) + for r in range(1, 2): + self.params_grid_layout_2.setRowStretch(r, 1) + for c in range(0, 1): + self.params_grid_layout_2.setColumnStretch(c, 1) + self._LOS_NLOS_range = Range(0, 1, 1, 1, 200) + self._LOS_NLOS_win = RangeWidget(self._LOS_NLOS_range, self.set_LOS_NLOS, 'LOS_NLOS', "counter_slider", int) + self.params_grid_layout_2.addWidget(self._LOS_NLOS_win, 0, 1, 1, 1) + for r in range(0, 1): + self.params_grid_layout_2.setRowStretch(r, 1) + for c in range(1, 2): + self.params_grid_layout_2.setColumnStretch(c, 1) self.qtgui_time_sink_x_0 = qtgui.time_sink_f( 1024, #size samp_rate, #samp_rate @@ -491,7 +512,7 @@ class qam_fading(gr.top_block, Qt.QWidget): self.plots_grid_layout_0.setRowStretch(r, 1) for c in range(0, 1): self.plots_grid_layout_0.setColumnStretch(c, 1) - self.interp_fir_filter_xxx_0 = filter.interp_fir_filter_ccc(1, [1]+([0]*fading_1)+[0.2]) + self.interp_fir_filter_xxx_0 = filter.interp_fir_filter_ccc(1, [LOS_NLOS]+([0]*fading_1)+[amp]) self.interp_fir_filter_xxx_0.declare_sample_delay(0) self.digital_pfb_clock_sync_xxx_0_0 = digital.pfb_clock_sync_ccf(sps , timing_loop_bw, rrc_taps, nfilts, nfilts/2, 1.5, 1) self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps, timing_loop_bw, rrc_taps, nfilts, nfilts/2, 1.5, 1) @@ -661,7 +682,7 @@ class qam_fading(gr.top_block, Qt.QWidget): def set_fading_1(self, fading_1): self.fading_1 = fading_1 - self.interp_fir_filter_xxx_0.set_taps([1]+([0]*self.fading_1)+[0.2]) + self.interp_fir_filter_xxx_0.set_taps([self.LOS_NLOS]+([0]*self.fading_1)+[self.amp]) def get_eq_ntaps(self): return self.eq_ntaps @@ -698,6 +719,20 @@ class qam_fading(gr.top_block, Qt.QWidget): self.chn_taps = chn_taps self.channels_channel_model_0.set_taps(self.chn_taps) + def get_amp(self): + return self.amp + + def set_amp(self, amp): + self.amp = amp + self.interp_fir_filter_xxx_0.set_taps([self.LOS_NLOS]+([0]*self.fading_1)+[self.amp]) + + def get_LOS_NLOS(self): + return self.LOS_NLOS + + def set_LOS_NLOS(self, LOS_NLOS): + self.LOS_NLOS = LOS_NLOS + self.interp_fir_filter_xxx_0.set_taps([self.LOS_NLOS]+([0]*self.fading_1)+[self.amp]) + |