diff options
Diffstat (limited to 'simulation')
| -rw-r--r-- | simulation/QPKS/qpks.grc | 949 | ||||
| -rwxr-xr-x | simulation/QPKS/qpks.py | 573 |
2 files changed, 1522 insertions, 0 deletions
diff --git a/simulation/QPKS/qpks.grc b/simulation/QPKS/qpks.grc new file mode 100644 index 0000000..cf3454a --- /dev/null +++ b/simulation/QPKS/qpks.grc @@ -0,0 +1,949 @@ +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: qpks + 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: QPSK + 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: [640, 252.0] + 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: [1336, 460.0] + rotation: 0 + state: true +- name: eq_mod + id: variable + parameters: + comment: '' + value: '1' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [1336, 388.0] + rotation: 0 + state: true +- name: eq_ntaps + id: variable + parameters: + comment: '' + value: '15' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [1416, 388.0] + 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: [640, 460.0] + rotation: 0 + state: true +- name: nfilts + id: variable + parameters: + comment: '' + value: '32' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [1008, 476.0] + 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: [504, 460.0] + 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: [1640, 428.0] + rotation: 0 + state: true +- name: qpsk_const + id: variable_constellation_rect + parameters: + comment: '' + const_points: '[0.707+0.707j, -0.707+0.707j, -0.707-0.707j, 0.707-0.707j]' + imag_sect: '2' + precision: '8' + real_sect: '2' + rot_sym: '4' + soft_dec_lut: None + sym_map: '[0, 1, 3, 2]' + w_imag_sect: '1' + w_real_sect: '1' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [224, 444.0] + rotation: 0 + state: true +- name: rrc_taps + id: variable + parameters: + comment: '' + value: firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), 0.35, 45*nfilts) + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [1080, 476.0] + 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: [504, 604.0] + 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: [640, 604.0] + 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_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: 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: [640, 316.0] + rotation: 0 + state: enabled +- 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: [1336, 284.0] + rotation: 0 + state: true +- name: digital_constellation_modulator_0 + id: digital_constellation_modulator + parameters: + affinity: '' + alias: '' + comment: '' + constellation: qpsk_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: [1640, 280.0] + 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: [1000, 308.0] + 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: [836.0, 128] + 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: [1228.0, 88] + 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: [1524.0, 88] + 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: [1860.0, 64] + 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: [856.0, 472] + rotation: 270 + state: true + +connections: +- [analog_random_source_x_0, '0', digital_constellation_modulator_0, '0'] +- [blocks_throttle_0, '0', channels_channel_model_0, '0'] +- [channels_channel_model_0, '0', digital_pfb_clock_sync_xxx_0, '0'] +- [channels_channel_model_0, '0', qtgui_const_sink_x_0, '0'] +- [channels_channel_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_modulator_0, '0', blocks_throttle_0, '0'] +- [digital_costas_loop_cc_0, '0', qtgui_const_sink_x_2, '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/QPKS/qpks.py b/simulation/QPKS/qpks.py new file mode 100755 index 0000000..c8d5f82 --- /dev/null +++ b/simulation/QPKS/qpks.py @@ -0,0 +1,573 @@ +#!/usr/bin/env python3 +# -*- coding: utf-8 -*- + +# +# SPDX-License-Identifier: GPL-3.0 +# +# 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 + +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 qpks(gr.top_block, Qt.QWidget): + + def __init__(self): + gr.top_block.__init__(self, "QPSK") + Qt.QWidget.__init__(self) + self.setWindowTitle("QPSK") + 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", "qpks") + + 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.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), 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 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_freq_sink_x_0 = qtgui.freq_sink_c( + 1024, #size + firdes.WIN_BLACKMAN_hARRIS, #wintype + 0, #fc + samp_rate, #bw + "Channel", #name + 1 + ) + 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 = ['', '', '', '', '', + '', '', '', '', ''] + 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(1): + 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 + 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.plots_grid_layout_0.setColumnStretch(c, 1) + self.qtgui_const_sink_x_0_0 = qtgui.const_sink_c( + 2048, #size + "Synchronized", #name + 1 #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 = ['', '', '', '', '', + '', '', '', '', ''] + 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_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 + 1 #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 = ['', '', '', '', '', + '', '', '', '', ''] + 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_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 = 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, + samples_per_symbol=sps, + pre_diff_code=True, + 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=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, 256, 1000))), True) + + + + ################################################## + # Connections + ################################################## + self.connect((self.analog_random_source_x_0, 0), (self.digital_constellation_modulator_0, 0)) + self.connect((self.blocks_throttle_0, 0), (self.channels_channel_model_0, 0)) + 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.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)) + + + def closeEvent(self, event): + self.settings = Qt.QSettings("GNU Radio", "qpks") + 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), 0.35, 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), 0.35, 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) + + 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.qtgui_freq_sink_x_0.set_frequency_range(0, 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) + + def get_qpsk_const(self): + return self.qpsk_const + + 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 + + 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_excess_bw(self): + return self.excess_bw + + 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) + + + + + +def main(top_block_cls=qpks, 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() |