aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorsara <sara.halter@gmx.ch>2021-11-09 19:44:44 +0100
committersara <sara.halter@gmx.ch>2021-11-09 19:44:44 +0100
commitfd275ffb35f362b1326f1cccddc7bee79ae0903a (patch)
tree2352fd61e0e16401f79decde961629c2976dd526
parentRemove space from dirname (diff)
downloadFading-fd275ffb35f362b1326f1cccddc7bee79ae0903a.tar.gz
Fading-fd275ffb35f362b1326f1cccddc7bee79ae0903a.zip
QAM mit Fading Simulationsversuch
-rw-r--r--references/channel/dac.2521.pdfbin0 -> 812934 bytes
-rw-r--r--simulation/QAM_Fading/qam_fading.grc1256
-rwxr-xr-xsimulation/QAM_Fading/qam_fading.py717
3 files changed, 1973 insertions, 0 deletions
diff --git a/references/channel/dac.2521.pdf b/references/channel/dac.2521.pdf
new file mode 100644
index 0000000..215aee6
--- /dev/null
+++ b/references/channel/dac.2521.pdf
Binary files differ
diff --git a/simulation/QAM_Fading/qam_fading.grc b/simulation/QAM_Fading/qam_fading.grc
new file mode 100644
index 0000000..d6fae2a
--- /dev/null
+++ b/simulation/QAM_Fading/qam_fading.grc
@@ -0,0 +1,1256 @@
+options:
+ parameters:
+ author: Pross Naoki, Halter Sara Cinzia
+ category: '[GRC Hier Blocks]'
+ cmake_opt: ''
+ comment: ''
+ copyright: ''
+ description: ''
+ gen_cmake: 'On'
+ gen_linking: dynamic
+ generate_options: qt_gui
+ hier_block_src_path: '.:'
+ id: qam_fading
+ max_nouts: '0'
+ output_language: python
+ placement: (0,0)
+ qt_qss_theme: ''
+ realtime_scheduling: '1'
+ run: 'True'
+ run_command: '{python} -u {filename}'
+ run_options: prompt
+ sizing_mode: fixed
+ thread_safe_setters: ''
+ title: QAM mit Fading
+ window_size: ''
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [8, 8]
+ rotation: 0
+ state: enabled
+
+blocks:
+- name: chn_taps
+ id: variable
+ parameters:
+ comment: ''
+ value: '[1.0 + 0.0j, ]'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [672, 236.0]
+ rotation: 0
+ state: true
+- name: const
+ id: variable_constellation
+ parameters:
+ comment: ''
+ const_points: '[-1-1j, -1+1j, 1+1j, 1-1j]'
+ dims: '1'
+ precision: '8'
+ rot_sym: '4'
+ soft_dec_lut: None
+ sym_map: '[0, 1, 3, 2]'
+ type: qpsk
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [224, 428.0]
+ rotation: 0
+ state: true
+- name: eq_gain
+ id: variable_qtgui_range
+ parameters:
+ comment: ''
+ gui_hint: 'params@1: 0,0,1,1'
+ label: Equalizer Rate
+ min_len: '200'
+ orient: Qt.Horizontal
+ rangeType: float
+ start: '0'
+ step: '.001'
+ stop: '.1'
+ value: '.01'
+ widget: counter_slider
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [1648, 476.0]
+ rotation: 0
+ state: true
+- name: eq_mod
+ id: variable
+ parameters:
+ comment: ''
+ value: '1'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [1648, 400.0]
+ rotation: 0
+ state: true
+- name: eq_ntaps
+ id: variable
+ parameters:
+ comment: ''
+ value: '15'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [1728, 400.0]
+ rotation: 0
+ state: true
+- name: excess_bw
+ id: variable
+ parameters:
+ comment: ''
+ value: 350e-3
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [320, 268.0]
+ rotation: 0
+ state: true
+- name: freq_offset
+ id: variable_qtgui_range
+ parameters:
+ comment: ''
+ gui_hint: 'params@0: 1,0,1,1'
+ label: Frequency Offset
+ min_len: '200'
+ orient: Qt.Horizontal
+ rangeType: float
+ start: -100e-3
+ step: 1e-3
+ stop: 100e-3
+ value: '0'
+ widget: counter_slider
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [712, 476.0]
+ rotation: 0
+ state: true
+- name: nfilts
+ id: variable
+ parameters:
+ comment: ''
+ value: '32'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [1328, 496.0]
+ rotation: 0
+ state: true
+- name: noise_volt
+ id: variable_qtgui_range
+ parameters:
+ comment: ''
+ gui_hint: 'params@0: 0,0,1,1'
+ label: Noise Voltage
+ min_len: '200'
+ orient: Qt.Horizontal
+ rangeType: float
+ start: '0'
+ step: '0.01'
+ stop: '1'
+ value: '0.0001'
+ widget: counter_slider
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [568, 476.0]
+ rotation: 0
+ state: true
+- name: phase_bw
+ id: variable_qtgui_range
+ parameters:
+ comment: ''
+ gui_hint: 'params@1: 1,0,1,1'
+ label: Phase Bandwidth
+ min_len: '200'
+ orient: Qt.Horizontal
+ rangeType: float
+ start: '0'
+ step: '.01'
+ stop: '1'
+ value: 2 * 3.141592653589793 / 100
+ widget: counter_slider
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [1952, 444.0]
+ rotation: 0
+ state: true
+- name: rrc_taps
+ id: variable
+ parameters:
+ comment: ''
+ value: firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), excess_bw, 45*nfilts)
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [1392, 496.0]
+ rotation: 0
+ state: true
+- name: samp_rate
+ id: variable
+ parameters:
+ comment: ''
+ value: '32000'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [192, 12.0]
+ rotation: 0
+ state: enabled
+- name: sps
+ id: variable
+ parameters:
+ comment: ''
+ value: '4'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [224, 268.0]
+ rotation: 0
+ state: true
+- name: time_offset
+ id: variable_qtgui_range
+ parameters:
+ comment: ''
+ gui_hint: 'params@0: 0,1,1,1'
+ label: Timing Offset
+ min_len: '200'
+ orient: Qt.Horizontal
+ rangeType: float
+ start: '0.999'
+ step: '0.0001'
+ stop: '1.001'
+ value: '1.0'
+ widget: counter_slider
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [568, 620.0]
+ rotation: 0
+ state: true
+- name: timing_loop_bw
+ id: variable_qtgui_range
+ parameters:
+ comment: ''
+ gui_hint: 'params@0: 1,1,1,1'
+ label: Time Bandwidth
+ min_len: '200'
+ orient: Qt.Horizontal
+ rangeType: float
+ start: '0'
+ step: 10e-3
+ stop: 200e-3
+ value: 2 * 3.141592653589793 / 100
+ widget: counter_slider
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [1328, 556.0]
+ rotation: 0
+ state: true
+- name: analog_random_source_x_0
+ id: analog_random_source_x
+ parameters:
+ affinity: ''
+ alias: ''
+ comment: ''
+ max: '256'
+ maxoutbuf: '0'
+ min: '0'
+ minoutbuf: '0'
+ num_samps: '1000'
+ repeat: 'True'
+ type: byte
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [32, 332.0]
+ rotation: 0
+ state: enabled
+- name: blocks_char_to_float_0
+ id: blocks_char_to_float
+ parameters:
+ affinity: ''
+ alias: ''
+ comment: ''
+ maxoutbuf: '0'
+ minoutbuf: '0'
+ scale: '1'
+ vlen: '1'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [2592, 296.0]
+ rotation: 0
+ state: true
+- name: blocks_char_to_float_0_0
+ id: blocks_char_to_float
+ parameters:
+ affinity: ''
+ alias: ''
+ comment: ''
+ maxoutbuf: '0'
+ minoutbuf: '0'
+ scale: '1'
+ vlen: '1'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [424, 1336.0]
+ rotation: 0
+ state: true
+- name: blocks_delay_0
+ id: blocks_delay
+ parameters:
+ affinity: ''
+ alias: ''
+ comment: ''
+ delay: '50'
+ maxoutbuf: '0'
+ minoutbuf: '0'
+ num_ports: '1'
+ type: float
+ vlen: '1'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [2624, 1352.0]
+ 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: [464, 356.0]
+ rotation: 0
+ state: enabled
+- name: blocks_unpack_k_bits_bb_0
+ id: blocks_unpack_k_bits_bb
+ parameters:
+ affinity: ''
+ alias: ''
+ comment: ''
+ k: '2'
+ maxoutbuf: '0'
+ minoutbuf: '0'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [2512, 456.0]
+ rotation: 0
+ state: true
+- name: blocks_unpack_k_bits_bb_0_0
+ id: blocks_unpack_k_bits_bb
+ parameters:
+ affinity: ''
+ alias: ''
+ comment: ''
+ k: '2'
+ maxoutbuf: '0'
+ minoutbuf: '0'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [248, 1336.0]
+ rotation: 0
+ state: true
+- name: channels_channel_model_0
+ id: channels_channel_model
+ parameters:
+ affinity: ''
+ alias: ''
+ block_tags: 'False'
+ comment: ''
+ epsilon: time_offset
+ freq_offset: freq_offset
+ maxoutbuf: '0'
+ minoutbuf: '0'
+ noise_voltage: noise_volt
+ seed: '0'
+ taps: chn_taps
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [648, 316.0]
+ rotation: 0
+ state: enabled
+- name: channels_fading_model_0
+ id: channels_fading_model
+ parameters:
+ K: '0.1'
+ LOS: 'False'
+ N: '1'
+ affinity: ''
+ alias: ''
+ comment: ''
+ fDTs: 10.0/samp_rate
+ maxoutbuf: '0'
+ minoutbuf: '0'
+ seed: '0'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [880, 332.0]
+ rotation: 0
+ state: enabled
+- name: channels_selective_fading_model2_0
+ id: channels_selective_fading_model2
+ parameters:
+ K: '4.0'
+ LOS: 'False'
+ N: '8'
+ affinity: ''
+ alias: ''
+ comment: ''
+ delay_maxdev: (0.5,0.7,0.9)
+ delay_std: (1e-4,1e-4,1e-4)
+ delays: (1.0,1.9,2.7)
+ fDTs: 0.2/samp_rate
+ mags: (1,0.95,0.8)
+ maxoutbuf: '0'
+ minoutbuf: '0'
+ ntaps: '8'
+ seed: '0'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [864, 812.0]
+ rotation: 0
+ state: true
+- name: channels_selective_fading_model_0
+ id: channels_selective_fading_model
+ parameters:
+ K: '4.0'
+ LOS: 'False'
+ N: '8'
+ affinity: ''
+ alias: ''
+ comment: ''
+ delays: (0.0,0.1,1.3)
+ fDTs: 10.0/samp_rate
+ mags: (1,0.99,0.97)
+ maxoutbuf: '0'
+ minoutbuf: '0'
+ ntaps: '8'
+ seed: '0'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [888, 652.0]
+ rotation: 0
+ state: true
+- name: digital_cma_equalizer_cc_0
+ id: digital_cma_equalizer_cc
+ parameters:
+ affinity: ''
+ alias: ''
+ comment: ''
+ maxoutbuf: '0'
+ minoutbuf: '0'
+ modulus: eq_mod
+ mu: eq_gain
+ num_taps: eq_ntaps
+ sps: '2'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [1648, 304.0]
+ rotation: 0
+ state: true
+- name: digital_constellation_decoder_cb_0
+ id: digital_constellation_decoder_cb
+ parameters:
+ affinity: ''
+ alias: ''
+ comment: ''
+ constellation: const
+ maxoutbuf: '0'
+ minoutbuf: '0'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [2288, 296.0]
+ rotation: 0
+ state: true
+- name: digital_constellation_modulator_0
+ id: digital_constellation_modulator
+ parameters:
+ affinity: ''
+ alias: ''
+ comment: ''
+ constellation: const
+ differential: 'True'
+ excess_bw: excess_bw
+ log: 'False'
+ maxoutbuf: '0'
+ minoutbuf: '0'
+ samples_per_symbol: sps
+ verbose: 'False'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [224, 332.0]
+ rotation: 0
+ state: enabled
+- name: digital_costas_loop_cc_0
+ id: digital_costas_loop_cc
+ parameters:
+ affinity: ''
+ alias: ''
+ comment: ''
+ maxoutbuf: '0'
+ minoutbuf: '0'
+ order: '4'
+ use_snr: 'False'
+ w: phase_bw
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [1952, 288.0]
+ rotation: 0
+ state: true
+- name: digital_diff_decoder_bb_0
+ id: digital_diff_decoder_bb
+ parameters:
+ affinity: ''
+ alias: ''
+ comment: ''
+ maxoutbuf: '0'
+ minoutbuf: '0'
+ modulus: '4'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [2288, 360.0]
+ rotation: 180
+ state: true
+- name: digital_map_bb_0
+ id: digital_map_bb
+ parameters:
+ affinity: ''
+ alias: ''
+ comment: ''
+ map: '[0, 1, 3, 2]'
+ maxoutbuf: '0'
+ minoutbuf: '0'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [2304, 456.0]
+ rotation: 0
+ state: true
+- name: digital_pfb_clock_sync_xxx_0
+ id: digital_pfb_clock_sync_xxx
+ parameters:
+ affinity: ''
+ alias: ''
+ comment: ''
+ filter_size: nfilts
+ init_phase: nfilts/2
+ loop_bw: timing_loop_bw
+ max_dev: '1.5'
+ maxoutbuf: '0'
+ minoutbuf: '0'
+ osps: '2'
+ sps: sps * 1.001
+ taps: rrc_taps
+ type: ccf
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [1312, 324.0]
+ rotation: 0
+ state: true
+- name: params
+ id: qtgui_tab_widget
+ parameters:
+ alias: ''
+ comment: ''
+ gui_hint: ''
+ label0: Channel
+ label1: Receiver
+ label10: Tab 10
+ label11: Tab 11
+ label12: Tab 12
+ label13: Tab 13
+ label14: Tab 14
+ label15: Tab 15
+ label16: Tab 16
+ label17: Tab 17
+ label18: Tab 18
+ label19: Tab 19
+ label2: Tab 2
+ label3: Tab 3
+ label4: Tab 4
+ label5: Tab 5
+ label6: Tab 6
+ label7: Tab 7
+ label8: Tab 8
+ label9: Tab 9
+ num_tabs: '2'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [296, 12.0]
+ rotation: 0
+ state: true
+- name: plots
+ id: qtgui_tab_widget
+ parameters:
+ alias: ''
+ comment: ''
+ gui_hint: ''
+ label0: Constellations
+ label1: Frequency
+ label10: Tab 10
+ label11: Tab 11
+ label12: Tab 12
+ label13: Tab 13
+ label14: Tab 14
+ label15: Tab 15
+ label16: Tab 16
+ label17: Tab 17
+ label18: Tab 18
+ label19: Tab 19
+ label2: Time
+ label3: Tab 3
+ label4: Tab 4
+ label5: Tab 5
+ label6: Tab 6
+ label7: Tab 7
+ label8: Tab 8
+ label9: Tab 9
+ num_tabs: '3'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [448, 12.0]
+ rotation: 0
+ state: true
+- name: qtgui_const_sink_x_0
+ id: qtgui_const_sink_x
+ parameters:
+ affinity: ''
+ alias: ''
+ alpha1: '1.0'
+ alpha10: '1.0'
+ alpha2: '1.0'
+ alpha3: '1.0'
+ alpha4: '1.0'
+ alpha5: '1.0'
+ alpha6: '1.0'
+ alpha7: '1.0'
+ alpha8: '1.0'
+ alpha9: '1.0'
+ autoscale: 'False'
+ axislabels: 'True'
+ color1: '"blue"'
+ color10: '"red"'
+ color2: '"red"'
+ color3: '"red"'
+ color4: '"red"'
+ color5: '"red"'
+ color6: '"red"'
+ color7: '"red"'
+ color8: '"red"'
+ color9: '"red"'
+ comment: ''
+ grid: 'False'
+ gui_hint: 'plots@0: 0,0,1,1'
+ label1: ''
+ label10: ''
+ label2: ''
+ label3: ''
+ label4: ''
+ label5: ''
+ label6: ''
+ label7: ''
+ label8: ''
+ label9: ''
+ legend: 'True'
+ marker1: '0'
+ marker10: '0'
+ marker2: '0'
+ marker3: '0'
+ marker4: '0'
+ marker5: '0'
+ marker6: '0'
+ marker7: '0'
+ marker8: '0'
+ marker9: '0'
+ name: '"Channel"'
+ nconnections: '1'
+ size: '2048'
+ style1: '0'
+ style10: '0'
+ style2: '0'
+ style3: '0'
+ style4: '0'
+ style5: '0'
+ style6: '0'
+ style7: '0'
+ style8: '0'
+ style9: '0'
+ tr_chan: '0'
+ tr_level: '0.0'
+ tr_mode: qtgui.TRIG_MODE_FREE
+ tr_slope: qtgui.TRIG_SLOPE_POS
+ tr_tag: '""'
+ type: complex
+ update_time: '0.10'
+ width1: '1'
+ width10: '1'
+ width2: '1'
+ width3: '1'
+ width4: '1'
+ width5: '1'
+ width6: '1'
+ width7: '1'
+ width8: '1'
+ width9: '1'
+ xmax: '2'
+ xmin: '-2'
+ ymax: '2'
+ ymin: '-2'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [1160.0, 144]
+ rotation: 90
+ state: enabled
+- name: qtgui_const_sink_x_0_0
+ id: qtgui_const_sink_x
+ parameters:
+ affinity: ''
+ alias: ''
+ alpha1: '1.0'
+ alpha10: '1.0'
+ alpha2: '1.0'
+ alpha3: '1.0'
+ alpha4: '1.0'
+ alpha5: '1.0'
+ alpha6: '1.0'
+ alpha7: '1.0'
+ alpha8: '1.0'
+ alpha9: '1.0'
+ autoscale: 'False'
+ axislabels: 'True'
+ color1: '"blue"'
+ color10: '"red"'
+ color2: '"red"'
+ color3: '"red"'
+ color4: '"red"'
+ color5: '"red"'
+ color6: '"red"'
+ color7: '"red"'
+ color8: '"red"'
+ color9: '"red"'
+ comment: ''
+ grid: 'False'
+ gui_hint: 'plots@0: 0,1,1,1'
+ label1: ''
+ label10: ''
+ label2: ''
+ label3: ''
+ label4: ''
+ label5: ''
+ label6: ''
+ label7: ''
+ label8: ''
+ label9: ''
+ legend: 'True'
+ marker1: '0'
+ marker10: '0'
+ marker2: '0'
+ marker3: '0'
+ marker4: '0'
+ marker5: '0'
+ marker6: '0'
+ marker7: '0'
+ marker8: '0'
+ marker9: '0'
+ name: '"Synchronized"'
+ nconnections: '1'
+ size: '2048'
+ style1: '0'
+ style10: '0'
+ style2: '0'
+ style3: '0'
+ style4: '0'
+ style5: '0'
+ style6: '0'
+ style7: '0'
+ style8: '0'
+ style9: '0'
+ tr_chan: '0'
+ tr_level: '0.0'
+ tr_mode: qtgui.TRIG_MODE_FREE
+ tr_slope: qtgui.TRIG_SLOPE_POS
+ tr_tag: '""'
+ type: complex
+ update_time: '0.10'
+ width1: '1'
+ width10: '1'
+ width2: '1'
+ width3: '1'
+ width4: '1'
+ width5: '1'
+ width6: '1'
+ width7: '1'
+ width8: '1'
+ width9: '1'
+ xmax: '2'
+ xmin: '-2'
+ ymax: '2'
+ ymin: '-2'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [1544.0, 96]
+ rotation: 90
+ state: enabled
+- name: qtgui_const_sink_x_1
+ id: qtgui_const_sink_x
+ parameters:
+ affinity: ''
+ alias: ''
+ alpha1: '1.0'
+ alpha10: '1.0'
+ alpha2: '1.0'
+ alpha3: '1.0'
+ alpha4: '1.0'
+ alpha5: '1.0'
+ alpha6: '1.0'
+ alpha7: '1.0'
+ alpha8: '1.0'
+ alpha9: '1.0'
+ autoscale: 'False'
+ axislabels: 'True'
+ color1: '"blue"'
+ color10: '"red"'
+ color2: '"red"'
+ color3: '"red"'
+ color4: '"red"'
+ color5: '"red"'
+ color6: '"red"'
+ color7: '"red"'
+ color8: '"red"'
+ color9: '"red"'
+ comment: ''
+ grid: 'False'
+ gui_hint: 'plots@0: 1,0,1,1'
+ label1: ''
+ label10: ''
+ label2: ''
+ label3: ''
+ label4: ''
+ label5: ''
+ label6: ''
+ label7: ''
+ label8: ''
+ label9: ''
+ legend: 'True'
+ marker1: '0'
+ marker10: '0'
+ marker2: '0'
+ marker3: '0'
+ marker4: '0'
+ marker5: '0'
+ marker6: '0'
+ marker7: '0'
+ marker8: '0'
+ marker9: '0'
+ name: '"Equalized"'
+ nconnections: '1'
+ size: '1024'
+ style1: '0'
+ style10: '0'
+ style2: '0'
+ style3: '0'
+ style4: '0'
+ style5: '0'
+ style6: '0'
+ style7: '0'
+ style8: '0'
+ style9: '0'
+ tr_chan: '0'
+ tr_level: '0.0'
+ tr_mode: qtgui.TRIG_MODE_FREE
+ tr_slope: qtgui.TRIG_SLOPE_POS
+ tr_tag: '""'
+ type: complex
+ update_time: '0.10'
+ width1: '1'
+ width10: '1'
+ width2: '1'
+ width3: '1'
+ width4: '1'
+ width5: '1'
+ width6: '1'
+ width7: '1'
+ width8: '1'
+ width9: '1'
+ xmax: '2'
+ xmin: '-2'
+ ymax: '2'
+ ymin: '-2'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [1848.0, 96]
+ rotation: 90
+ state: true
+- name: qtgui_const_sink_x_2
+ id: qtgui_const_sink_x
+ parameters:
+ affinity: ''
+ alias: ''
+ alpha1: '1.0'
+ alpha10: '1.0'
+ alpha2: '1.0'
+ alpha3: '1.0'
+ alpha4: '1.0'
+ alpha5: '1.0'
+ alpha6: '1.0'
+ alpha7: '1.0'
+ alpha8: '1.0'
+ alpha9: '1.0'
+ autoscale: 'False'
+ axislabels: 'True'
+ color1: '"blue"'
+ color10: '"red"'
+ color2: '"red"'
+ color3: '"red"'
+ color4: '"red"'
+ color5: '"red"'
+ color6: '"red"'
+ color7: '"red"'
+ color8: '"red"'
+ color9: '"red"'
+ comment: ''
+ grid: 'False'
+ gui_hint: 'plots@0: 1,1,1,1'
+ label1: ''
+ label10: ''
+ label2: ''
+ label3: ''
+ label4: ''
+ label5: ''
+ label6: ''
+ label7: ''
+ label8: ''
+ label9: ''
+ legend: 'True'
+ marker1: '0'
+ marker10: '0'
+ marker2: '0'
+ marker3: '0'
+ marker4: '0'
+ marker5: '0'
+ marker6: '0'
+ marker7: '0'
+ marker8: '0'
+ marker9: '0'
+ name: '"Locked"'
+ nconnections: '1'
+ size: '1024'
+ style1: '0'
+ style10: '0'
+ style2: '0'
+ style3: '0'
+ style4: '0'
+ style5: '0'
+ style6: '0'
+ style7: '0'
+ style8: '0'
+ style9: '0'
+ tr_chan: '0'
+ tr_level: '0.0'
+ tr_mode: qtgui.TRIG_MODE_FREE
+ tr_slope: qtgui.TRIG_SLOPE_POS
+ tr_tag: '""'
+ type: complex
+ update_time: '0.10'
+ width1: '1'
+ width10: '1'
+ width2: '1'
+ width3: '1'
+ width4: '1'
+ width5: '1'
+ width6: '1'
+ width7: '1'
+ width8: '1'
+ width9: '1'
+ xmax: '2'
+ xmin: '-2'
+ ymax: '2'
+ ymin: '-2'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [2184.0, 80]
+ rotation: 90
+ state: true
+- name: qtgui_freq_sink_x_0
+ id: qtgui_freq_sink_x
+ parameters:
+ affinity: ''
+ alias: ''
+ alpha1: '1.0'
+ alpha10: '1.0'
+ alpha2: '1.0'
+ alpha3: '1.0'
+ alpha4: '1.0'
+ alpha5: '1.0'
+ alpha6: '1.0'
+ alpha7: '1.0'
+ alpha8: '1.0'
+ alpha9: '1.0'
+ autoscale: 'False'
+ average: '1.0'
+ axislabels: 'True'
+ bw: samp_rate
+ color1: '"blue"'
+ color10: '"dark blue"'
+ color2: '"red"'
+ color3: '"green"'
+ color4: '"black"'
+ color5: '"cyan"'
+ color6: '"magenta"'
+ color7: '"yellow"'
+ color8: '"dark red"'
+ color9: '"dark green"'
+ comment: ''
+ ctrlpanel: 'False'
+ fc: '0'
+ fftsize: '1024'
+ freqhalf: 'True'
+ grid: 'False'
+ gui_hint: 'plots@1: 0,0,1,1'
+ label: Relative Gain
+ label1: ''
+ label10: ''''''
+ label2: ''''''
+ label3: ''''''
+ label4: ''''''
+ label5: ''''''
+ label6: ''''''
+ label7: ''''''
+ label8: ''''''
+ label9: ''''''
+ legend: 'True'
+ maxoutbuf: '0'
+ minoutbuf: '0'
+ name: '"Channel"'
+ nconnections: '1'
+ showports: 'False'
+ tr_chan: '0'
+ tr_level: '0.0'
+ tr_mode: qtgui.TRIG_MODE_FREE
+ tr_tag: '""'
+ type: complex
+ units: dB
+ update_time: '0.10'
+ width1: '1'
+ width10: '1'
+ width2: '1'
+ width3: '1'
+ width4: '1'
+ width5: '1'
+ width6: '1'
+ width7: '1'
+ width8: '1'
+ width9: '1'
+ wintype: firdes.WIN_BLACKMAN_hARRIS
+ ymax: '10'
+ ymin: '-140'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [1168.0, 480]
+ rotation: 270
+ state: true
+- name: qtgui_time_sink_x_0
+ id: qtgui_time_sink_x
+ parameters:
+ affinity: ''
+ alias: ''
+ alpha1: '1.0'
+ alpha10: '1.0'
+ alpha2: '1.0'
+ alpha3: '1.0'
+ alpha4: '1.0'
+ alpha5: '1.0'
+ alpha6: '1.0'
+ alpha7: '1.0'
+ alpha8: '1.0'
+ alpha9: '1.0'
+ autoscale: 'False'
+ axislabels: 'True'
+ color1: blue
+ color10: dark blue
+ color2: red
+ color3: green
+ color4: black
+ color5: cyan
+ color6: magenta
+ color7: yellow
+ color8: dark red
+ color9: dark green
+ comment: ''
+ ctrlpanel: 'False'
+ entags: 'True'
+ grid: 'False'
+ gui_hint: 'plots@2: 0,0,1,1'
+ label1: Received
+ label10: Signal 10
+ label2: Sent
+ label3: Signal 3
+ label4: Signal 4
+ label5: Signal 5
+ label6: Signal 6
+ label7: Signal 7
+ label8: Signal 8
+ label9: Signal 9
+ legend: 'True'
+ marker1: '-1'
+ marker10: '-1'
+ marker2: '-1'
+ marker3: '-1'
+ marker4: '-1'
+ marker5: '-1'
+ marker6: '-1'
+ marker7: '-1'
+ marker8: '-1'
+ marker9: '-1'
+ name: '"Decoded"'
+ nconnections: '2'
+ size: '1024'
+ srate: samp_rate
+ stemplot: 'False'
+ style1: '1'
+ style10: '1'
+ style2: '1'
+ style3: '1'
+ style4: '1'
+ style5: '1'
+ style6: '1'
+ style7: '1'
+ style8: '1'
+ style9: '1'
+ tr_chan: '0'
+ tr_delay: '0'
+ tr_level: '0.0'
+ tr_mode: qtgui.TRIG_MODE_FREE
+ tr_slope: qtgui.TRIG_SLOPE_POS
+ tr_tag: '""'
+ type: float
+ update_time: '0.10'
+ width1: '1'
+ width10: '1'
+ width2: '1'
+ width3: '1'
+ width4: '1'
+ width5: '1'
+ width6: '1'
+ width7: '1'
+ width8: '1'
+ width9: '1'
+ ylabel: Amplitude
+ ymax: '1'
+ ymin: '-1'
+ yunit: '""'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [2816, 288.0]
+ rotation: 0
+ state: true
+
+connections:
+- [analog_random_source_x_0, '0', blocks_unpack_k_bits_bb_0_0, '0']
+- [analog_random_source_x_0, '0', digital_constellation_modulator_0, '0']
+- [blocks_char_to_float_0, '0', qtgui_time_sink_x_0, '0']
+- [blocks_char_to_float_0_0, '0', blocks_delay_0, '0']
+- [blocks_delay_0, '0', qtgui_time_sink_x_0, '1']
+- [blocks_throttle_0, '0', channels_channel_model_0, '0']
+- [blocks_unpack_k_bits_bb_0, '0', blocks_char_to_float_0, '0']
+- [blocks_unpack_k_bits_bb_0_0, '0', blocks_char_to_float_0_0, '0']
+- [channels_channel_model_0, '0', channels_fading_model_0, '0']
+- [channels_fading_model_0, '0', digital_pfb_clock_sync_xxx_0, '0']
+- [channels_fading_model_0, '0', qtgui_const_sink_x_0, '0']
+- [channels_fading_model_0, '0', qtgui_freq_sink_x_0, '0']
+- [digital_cma_equalizer_cc_0, '0', digital_costas_loop_cc_0, '0']
+- [digital_cma_equalizer_cc_0, '0', qtgui_const_sink_x_1, '0']
+- [digital_constellation_decoder_cb_0, '0', digital_diff_decoder_bb_0, '0']
+- [digital_constellation_modulator_0, '0', blocks_throttle_0, '0']
+- [digital_costas_loop_cc_0, '0', digital_constellation_decoder_cb_0, '0']
+- [digital_costas_loop_cc_0, '0', qtgui_const_sink_x_2, '0']
+- [digital_diff_decoder_bb_0, '0', digital_map_bb_0, '0']
+- [digital_map_bb_0, '0', blocks_unpack_k_bits_bb_0, '0']
+- [digital_pfb_clock_sync_xxx_0, '0', digital_cma_equalizer_cc_0, '0']
+- [digital_pfb_clock_sync_xxx_0, '0', qtgui_const_sink_x_0_0, '0']
+
+metadata:
+ file_format: 1
diff --git a/simulation/QAM_Fading/qam_fading.py b/simulation/QAM_Fading/qam_fading.py
new file mode 100755
index 0000000..618ba3b
--- /dev/null
+++ b/simulation/QAM_Fading/qam_fading.py
@@ -0,0 +1,717 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+#
+# SPDX-License-Identifier: GPL-3.0
+#
+# GNU Radio Python Flow Graph
+# Title: QAM mit Fading
+# Author: Pross Naoki, Halter Sara Cinzia
+# GNU Radio version: 3.8.2.0
+
+from distutils.version import StrictVersion
+
+if __name__ == '__main__':
+ import ctypes
+ import sys
+ if sys.platform.startswith('linux'):
+ try:
+ x11 = ctypes.cdll.LoadLibrary('libX11.so')
+ x11.XInitThreads()
+ except:
+ print("Warning: failed to XInitThreads()")
+
+from PyQt5 import Qt
+from gnuradio import qtgui
+from gnuradio.filter import firdes
+import sip
+from gnuradio import blocks
+import numpy
+from gnuradio import channels
+from gnuradio import digital
+from gnuradio import gr
+import sys
+import signal
+from argparse import ArgumentParser
+from gnuradio.eng_arg import eng_float, intx
+from gnuradio import eng_notation
+from gnuradio.qtgui import Range, RangeWidget
+
+from gnuradio import qtgui
+
+class qam_fading(gr.top_block, Qt.QWidget):
+
+ def __init__(self):
+ gr.top_block.__init__(self, "QAM mit Fading")
+ Qt.QWidget.__init__(self)
+ self.setWindowTitle("QAM mit Fading")
+ qtgui.util.check_set_qss()
+ try:
+ self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
+ except:
+ pass
+ 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)
+
+ self.settings = Qt.QSettings("GNU Radio", "qam_fading")
+
+ try:
+ if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
+ self.restoreGeometry(self.settings.value("geometry").toByteArray())
+ else:
+ self.restoreGeometry(self.settings.value("geometry"))
+ except:
+ pass
+
+ ##################################################
+ # Variables
+ ##################################################
+ self.sps = sps = 4
+ self.nfilts = nfilts = 32
+ self.excess_bw = excess_bw = 350e-3
+ self.timing_loop_bw = timing_loop_bw = 2 * 3.141592653589793 / 100
+ self.time_offset = time_offset = 1.0
+ self.samp_rate = samp_rate = 32000
+ self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), excess_bw, 45*nfilts)
+ self.phase_bw = phase_bw = 2 * 3.141592653589793 / 100
+ self.noise_volt = noise_volt = 0.0001
+ self.freq_offset = freq_offset = 0
+ self.eq_ntaps = eq_ntaps = 15
+ self.eq_mod = eq_mod = 1
+ self.eq_gain = eq_gain = .01
+ self.const = const = digital.constellation_qpsk().base()
+ 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 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.params_grid_layout_0.setRowStretch(r, 1)
+ for c in range(1, 2):
+ 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.params_grid_layout_0.addWidget(self._time_offset_win, 0, 1, 1, 1)
+ for r in range(0, 1):
+ self.params_grid_layout_0.setRowStretch(r, 1)
+ for c in range(1, 2):
+ 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.params_grid_layout_0.addWidget(self._noise_volt_win, 0, 0, 1, 1)
+ for r in range(0, 1):
+ self.params_grid_layout_0.setRowStretch(r, 1)
+ for c in range(0, 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.params_grid_layout_0.addWidget(self._freq_offset_win, 1, 0, 1, 1)
+ for r in range(1, 2):
+ self.params_grid_layout_0.setRowStretch(r, 1)
+ for c in range(0, 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.params_grid_layout_1.setColumnStretch(c, 1)
+ self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
+ 1024, #size
+ samp_rate, #samp_rate
+ "Decoded", #name
+ 3 #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 = ['Received', 'Sent', '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(3):
+ if len(labels[i]) == 0:
+ self.qtgui_time_sink_x_0.set_line_label(i, "Data {0}".format(i))
+ 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.plots_grid_layout_2.addWidget(self._qtgui_time_sink_x_0_win, 0, 0, 1, 1)
+ for r in range(0, 1):
+ self.plots_grid_layout_2.setRowStretch(r, 1)
+ for c in range(0, 1):
+ self.plots_grid_layout_2.setColumnStretch(c, 1)
+ self.qtgui_freq_sink_x_1 = qtgui.freq_sink_f(
+ 1024, #size
+ firdes.WIN_BLACKMAN_hARRIS, #wintype
+ 0, #fc
+ samp_rate, #bw
+ "", #name
+ 2
+ )
+ self.qtgui_freq_sink_x_1.set_update_time(0.10)
+ self.qtgui_freq_sink_x_1.set_y_axis(-140, 10)
+ self.qtgui_freq_sink_x_1.set_y_label('Relative Gain', 'dB')
+ self.qtgui_freq_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "")
+ self.qtgui_freq_sink_x_1.enable_autoscale(False)
+ self.qtgui_freq_sink_x_1.enable_grid(False)
+ self.qtgui_freq_sink_x_1.set_fft_average(0.1)
+ self.qtgui_freq_sink_x_1.enable_axis_labels(True)
+ self.qtgui_freq_sink_x_1.enable_control_panel(False)
+
+
+ self.qtgui_freq_sink_x_1.set_plot_pos_half(not True)
+
+ labels = ['Fading', '', '', '', '',
+ '', '', '', '', '']
+ 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]
+
+ for i in range(2):
+ if len(labels[i]) == 0:
+ self.qtgui_freq_sink_x_1.set_line_label(i, "Data {0}".format(i))
+ else:
+ self.qtgui_freq_sink_x_1.set_line_label(i, labels[i])
+ self.qtgui_freq_sink_x_1.set_line_width(i, widths[i])
+ self.qtgui_freq_sink_x_1.set_line_color(i, colors[i])
+ self.qtgui_freq_sink_x_1.set_line_alpha(i, alphas[i])
+
+ self._qtgui_freq_sink_x_1_win = sip.wrapinstance(self.qtgui_freq_sink_x_1.pyqwidget(), Qt.QWidget)
+ self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_1_win)
+ self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
+ 1024, #size
+ firdes.WIN_BLACKMAN_hARRIS, #wintype
+ 0, #fc
+ samp_rate, #bw
+ "Channel", #name
+ 2
+ )
+ self.qtgui_freq_sink_x_0.set_update_time(0.10)
+ self.qtgui_freq_sink_x_0.set_y_axis(-140, 10)
+ self.qtgui_freq_sink_x_0.set_y_label('Relative Gain', 'dB')
+ self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "")
+ self.qtgui_freq_sink_x_0.enable_autoscale(False)
+ self.qtgui_freq_sink_x_0.enable_grid(False)
+ self.qtgui_freq_sink_x_0.set_fft_average(1.0)
+ self.qtgui_freq_sink_x_0.enable_axis_labels(True)
+ self.qtgui_freq_sink_x_0.enable_control_panel(False)
+
+
+
+ labels = ['Fading', '', '', '', '',
+ '', '', '', '', '']
+ 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]
+
+ for i in range(2):
+ if len(labels[i]) == 0:
+ self.qtgui_freq_sink_x_0.set_line_label(i, "Data {0}".format(i))
+ else:
+ self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
+ self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
+ self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
+ 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.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
+ 2 #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 = ['Fading', '', '', '', '',
+ '', '', '', '', '']
+ 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(2):
+ 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
+ 2 #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 = ['Fading', '', '', '', '',
+ '', '', '', '', '']
+ 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(2):
+ 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.plots_grid_layout_0.setColumnStretch(c, 1)
+ self.qtgui_const_sink_x_0_0 = qtgui.const_sink_c(
+ 2048, #size
+ "Synchronized", #name
+ 2 #number of inputs
+ )
+ 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 = ['Fading', '', '', '', '',
+ '', '', '', '', '']
+ 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(2):
+ if len(labels[i]) == 0:
+ self.qtgui_const_sink_x_0_0.set_line_label(i, "Data {0}".format(i))
+ else:
+ 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.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.plots_grid_layout_0.setColumnStretch(c, 1)
+ self.qtgui_const_sink_x_0 = qtgui.const_sink_c(
+ 2048, #size
+ "Channel", #name
+ 2 #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)
+
+
+ labels = ['Fading', '', '', '', '',
+ '', '', '', '', '']
+ 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(2):
+ if len(labels[i]) == 0:
+ self.qtgui_const_sink_x_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.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_0 = digital.pfb_clock_sync_ccf(sps * 1.001, timing_loop_bw, rrc_taps, nfilts, nfilts/2, 1.5, 2)
+ 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_map_bb_0_0 = digital.map_bb([0, 1, 3, 2])
+ self.digital_map_bb_0 = digital.map_bb([0, 1, 3, 2])
+ self.digital_diff_decoder_bb_0_0 = digital.diff_decoder_bb(4)
+ self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(4)
+ self.digital_costas_loop_cc_0_0 = digital.costas_loop_cc(phase_bw, 4, False)
+ self.digital_costas_loop_cc_0 = digital.costas_loop_cc(phase_bw, 4, False)
+ self.digital_constellation_modulator_0 = digital.generic_mod(
+ constellation=const,
+ differential=True,
+ samples_per_symbol=sps,
+ pre_diff_code=True,
+ excess_bw=excess_bw,
+ verbose=False,
+ log=False)
+ self.digital_constellation_decoder_cb_0_0 = digital.constellation_decoder_cb(const)
+ 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, 10.0/samp_rate, False, 4.0, 0, (0.0,0.1,1.3), (1,0.99,0.97), 8 )
+ self.channels_channel_model_0 = channels.channel_model(
+ noise_voltage=noise_volt,
+ frequency_offset=freq_offset,
+ epsilon=time_offset,
+ taps=chn_taps,
+ noise_seed=0,
+ block_tags=False)
+ self.blocks_unpack_k_bits_bb_0_1 = blocks.unpack_k_bits_bb(2)
+ self.blocks_unpack_k_bits_bb_0_0 = blocks.unpack_k_bits_bb(2)
+ self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(2)
+ self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
+ self.blocks_delay_0 = blocks.delay(gr.sizeof_float*1, 50)
+ self.blocks_char_to_float_0_1 = blocks.char_to_float(1, 1)
+ self.blocks_char_to_float_0_0 = blocks.char_to_float(1, 1)
+ self.blocks_char_to_float_0 = blocks.char_to_float(1, 1)
+ self.analog_random_source_x_0 = blocks.vector_source_b(list(map(int, numpy.random.randint(0, 256, 1000))), True)
+
+
+
+ ##################################################
+ # Connections
+ ##################################################
+ self.connect((self.analog_random_source_x_0, 0), (self.blocks_unpack_k_bits_bb_0_0, 0))
+ self.connect((self.analog_random_source_x_0, 0), (self.digital_constellation_modulator_0, 0))
+ self.connect((self.blocks_char_to_float_0, 0), (self.qtgui_freq_sink_x_1, 0))
+ self.connect((self.blocks_char_to_float_0, 0), (self.qtgui_time_sink_x_0, 0))
+ self.connect((self.blocks_char_to_float_0_0, 0), (self.blocks_delay_0, 0))
+ self.connect((self.blocks_char_to_float_0_1, 0), (self.qtgui_freq_sink_x_1, 1))
+ self.connect((self.blocks_char_to_float_0_1, 0), (self.qtgui_time_sink_x_0, 2))
+ self.connect((self.blocks_delay_0, 0), (self.qtgui_time_sink_x_0, 1))
+ self.connect((self.blocks_throttle_0, 0), (self.channels_channel_model_0, 0))
+ self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_char_to_float_0, 0))
+ self.connect((self.blocks_unpack_k_bits_bb_0_0, 0), (self.blocks_char_to_float_0_0, 0))
+ self.connect((self.blocks_unpack_k_bits_bb_0_1, 0), (self.blocks_char_to_float_0_1, 0))
+ self.connect((self.channels_channel_model_0, 0), (self.channels_selective_fading_model_0, 0))
+ self.connect((self.channels_channel_model_0, 0), (self.digital_pfb_clock_sync_xxx_0_0, 0))
+ self.connect((self.channels_channel_model_0, 0), (self.qtgui_const_sink_x_0, 1))
+ self.connect((self.channels_channel_model_0, 0), (self.qtgui_freq_sink_x_0, 1))
+ 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.qtgui_const_sink_x_0, 0))
+ self.connect((self.channels_selective_fading_model_0, 0), (self.qtgui_freq_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_cma_equalizer_cc_0_0, 0), (self.digital_costas_loop_cc_0_0, 0))
+ self.connect((self.digital_cma_equalizer_cc_0_0, 0), (self.qtgui_const_sink_x_1, 1))
+ 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_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))
+ self.connect((self.digital_costas_loop_cc_0_0, 0), (self.qtgui_const_sink_x_2, 1))
+ self.connect((self.digital_diff_decoder_bb_0, 0), (self.digital_map_bb_0, 0))
+ self.connect((self.digital_diff_decoder_bb_0_0, 0), (self.digital_map_bb_0_0, 0))
+ self.connect((self.digital_map_bb_0, 0), (self.blocks_unpack_k_bits_bb_0, 0))
+ self.connect((self.digital_map_bb_0_0, 0), (self.blocks_unpack_k_bits_bb_0_1, 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))
+ self.connect((self.digital_pfb_clock_sync_xxx_0_0, 0), (self.digital_cma_equalizer_cc_0_0, 0))
+ self.connect((self.digital_pfb_clock_sync_xxx_0_0, 0), (self.qtgui_const_sink_x_0_0, 1))
+
+
+ def closeEvent(self, event):
+ self.settings = Qt.QSettings("GNU Radio", "qam_fading")
+ self.settings.setValue("geometry", self.saveGeometry())
+ event.accept()
+
+ def get_sps(self):
+ return self.sps
+
+ def set_sps(self, sps):
+ self.sps = sps
+ self.set_rrc_taps(firdes.root_raised_cosine(self.nfilts, self.nfilts, 1.0/float(self.sps), self.excess_bw, 45*self.nfilts))
+
+ def get_nfilts(self):
+ return self.nfilts
+
+ def set_nfilts(self, nfilts):
+ self.nfilts = nfilts
+ self.set_rrc_taps(firdes.root_raised_cosine(self.nfilts, self.nfilts, 1.0/float(self.sps), self.excess_bw, 45*self.nfilts))
+
+ def get_excess_bw(self):
+ return self.excess_bw
+
+ def set_excess_bw(self, excess_bw):
+ self.excess_bw = excess_bw
+ self.set_rrc_taps(firdes.root_raised_cosine(self.nfilts, self.nfilts, 1.0/float(self.sps), self.excess_bw, 45*self.nfilts))
+
+ def get_timing_loop_bw(self):
+ return self.timing_loop_bw
+
+ def set_timing_loop_bw(self, timing_loop_bw):
+ self.timing_loop_bw = timing_loop_bw
+ self.digital_pfb_clock_sync_xxx_0.set_loop_bandwidth(self.timing_loop_bw)
+ self.digital_pfb_clock_sync_xxx_0_0.set_loop_bandwidth(self.timing_loop_bw)
+
+ def get_time_offset(self):
+ return self.time_offset
+
+ def set_time_offset(self, time_offset):
+ self.time_offset = time_offset
+ self.channels_channel_model_0.set_timing_offset(self.time_offset)
+
+ def get_samp_rate(self):
+ return self.samp_rate
+
+ 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(10.0/self.samp_rate)
+ self.qtgui_freq_sink_x_0.set_frequency_range(0, self.samp_rate)
+ self.qtgui_freq_sink_x_1.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
+
+ def set_rrc_taps(self, rrc_taps):
+ 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)
+
+ 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)
+ self.digital_costas_loop_cc_0_0.set_loop_bandwidth(self.phase_bw)
+
+ def get_noise_volt(self):
+ return self.noise_volt
+
+ def set_noise_volt(self, noise_volt):
+ self.noise_volt = noise_volt
+ self.channels_channel_model_0.set_noise_voltage(self.noise_volt)
+
+ def get_freq_offset(self):
+ return self.freq_offset
+
+ def set_freq_offset(self, freq_offset):
+ self.freq_offset = freq_offset
+ self.channels_channel_model_0.set_frequency_offset(self.freq_offset)
+
+ 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)
+ self.digital_cma_equalizer_cc_0_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)
+ self.digital_cma_equalizer_cc_0_0.set_gain(self.eq_gain)
+
+ def get_const(self):
+ return self.const
+
+ def set_const(self, const):
+ self.const = const
+
+ 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)
+
+
+
+
+
+def main(top_block_cls=qam_fading, options=None):
+ if gr.enable_realtime_scheduling() != gr.RT_OK:
+ print("Error: failed to enable real-time scheduling.")
+
+ if StrictVersion("4.5.0") <= StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
+ style = gr.prefs().get_string('qtgui', 'style', 'raster')
+ Qt.QApplication.setGraphicsSystem(style)
+ qapp = Qt.QApplication(sys.argv)
+
+ tb = top_block_cls()
+
+ tb.start()
+
+ tb.show()
+
+ def sig_handler(sig=None, frame=None):
+ Qt.QApplication.quit()
+
+ signal.signal(signal.SIGINT, sig_handler)
+ signal.signal(signal.SIGTERM, sig_handler)
+
+ timer = Qt.QTimer()
+ timer.start(500)
+ timer.timeout.connect(lambda: None)
+
+ def quitting():
+ tb.stop()
+ tb.wait()
+
+ qapp.aboutToQuit.connect(quitting)
+ qapp.exec_()
+
+if __name__ == '__main__':
+ main()