diff options
| -rw-r--r-- | flowgraphs/qam_sim.grc | 932 | ||||
| -rwxr-xr-x | flowgraphs/qam_sim.py | 352 |
2 files changed, 1284 insertions, 0 deletions
diff --git a/flowgraphs/qam_sim.grc b/flowgraphs/qam_sim.grc new file mode 100644 index 0000000..c5f407b --- /dev/null +++ b/flowgraphs/qam_sim.grc @@ -0,0 +1,932 @@ +options: + parameters: + author: Naoki Sean Pross, Sara Cinzia Halter + 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_sim + max_nouts: '0' + output_language: python + placement: (0,0) + qt_qss_theme: '' + realtime_scheduling: '1' + run: 'True' + run_command: '{python} -u {filename}' + run_options: run + sizing_mode: fixed + thread_safe_setters: '' + title: QAM Sim + window_size: '' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [24, 12.0] + rotation: 0 + state: enabled + +blocks: +- name: access_code_symbols + id: variable + parameters: + comment: '' + value: '[(-0.31622776601683794-0.31622776601683794j), (-0.31622776601683794+0.31622776601683794j), + (-0.9486832980505138-0.9486832980505138j), (-0.9486832980505138-0.31622776601683794j)]' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [792, 1092.0] + rotation: 0 + state: true +- name: carrier_freq + id: variable + parameters: + comment: '' + value: 2.4e9 + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [472, 572.0] + rotation: 0 + state: true +- name: excess_bw + id: variable + parameters: + comment: '' + value: '0.35' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [336, 1156.0] + rotation: 0 + state: true +- name: frame + id: fadingui_frame_obj + parameters: + alias: '' + comment: '' + payload_len: '4096' + preamble: '[0xbe, 0xef]' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [48, 612.0] + rotation: 0 + state: disabled +- name: frame_len + id: variable + parameters: + comment: '' + value: len(testvec) +4 + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [184, 252.0] + rotation: 0 + state: true +- name: nfilts + id: variable + parameters: + comment: '' + value: '32' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [256, 1156.0] + rotation: 0 + state: true +- name: qam_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: 16qam + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [472, 356.0] + 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: [432, 1156.0] + rotation: 0 + state: true +- name: samp_rate + id: variable + parameters: + comment: '' + value: 1e6 + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [24, 148.0] + rotation: 0 + state: enabled +- name: sps + id: variable + parameters: + comment: '' + value: '4' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [144, 148.0] + rotation: 0 + state: true +- name: testvec + id: variable + parameters: + comment: '' + value: '[0x1f, 0x35] + [0x12, 0x48] ' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [48, 252.0] + rotation: 0 + state: true +- name: analog_random_source_x_0 + id: analog_random_source_x + parameters: + affinity: '' + alias: '' + comment: '' + max: '255' + maxoutbuf: '0' + min: '0' + minoutbuf: '0' + num_samps: '400' + repeat: 'True' + type: byte + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [48, 420.0] + rotation: 0 + state: true +- name: blocks_complex_to_mag_0 + id: blocks_complex_to_mag + parameters: + affinity: '' + alias: '' + comment: '' + maxoutbuf: '0' + minoutbuf: '0' + vlen: '1' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [1088, 1080.0] + rotation: 0 + state: true +- name: blocks_null_source_0 + id: blocks_null_source + parameters: + affinity: '' + alias: '' + bus_structure_source: '[[0,],]' + comment: '' + maxoutbuf: '0' + minoutbuf: '0' + num_outputs: '1' + type: byte + vlen: '1' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [48, 528.0] + rotation: 0 + state: true +- name: blocks_repack_bits_bb_0 + id: blocks_repack_bits_bb + parameters: + affinity: '' + alias: '' + align_output: 'False' + comment: '' + endianness: gr.GR_LSB_FIRST + k: '2' + l: '8' + len_tag_key: '""' + maxoutbuf: '0' + minoutbuf: '0' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [768, 1300.0] + rotation: 0 + state: true +- name: blocks_stream_mux_0 + id: blocks_stream_mux + parameters: + affinity: '' + alias: '' + comment: '' + lengths: '[len(testvec), 4, 0]' + maxoutbuf: '0' + minoutbuf: '0' + num_inputs: '3' + type: byte + vlen: '1' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [272, 416.0] + rotation: 0 + state: true +- name: blocks_stream_to_vector_0 + id: blocks_stream_to_vector + parameters: + affinity: '' + alias: '' + comment: '' + maxoutbuf: '0' + minoutbuf: '0' + num_items: frame_len + type: byte + vlen: '1' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [992, 1312.0] + rotation: 0 + state: true +- name: blocks_tagged_stream_align_0 + id: blocks_tagged_stream_align + parameters: + affinity: '' + alias: '' + comment: '' + lengthtagname: frame_start + maxoutbuf: '0' + minoutbuf: '0' + type: byte + vlen: '1' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [496, 1308.0] + rotation: 0 + state: true +- name: blocks_throttle_0 + id: blocks_throttle + parameters: + affinity: '' + alias: '' + comment: '' + ignoretag: 'True' + maxoutbuf: '0' + minoutbuf: '0' + samples_per_second: samp_rate + type: complex + vlen: '1' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [744, 444.0] + rotation: 0 + state: true +- name: blocks_vector_source_x_0 + id: blocks_vector_source_x + parameters: + affinity: '' + alias: '' + comment: '' + maxoutbuf: '0' + minoutbuf: '0' + repeat: 'True' + tags: '[]' + type: byte + vector: testvec + vlen: '1' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [48, 324.0] + rotation: 0 + state: true +- name: channels_channel_model_0 + id: channels_channel_model + parameters: + affinity: '' + alias: '' + block_tags: 'False' + comment: '' + epsilon: '1.0' + freq_offset: '0' + maxoutbuf: '0' + minoutbuf: '0' + noise_voltage: 100e-3 + seed: '243' + taps: np.exp(1j * 30 / 180 * np.pi) + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [312, 716.0] + rotation: 0 + state: enabled +- name: channels_selective_fading_model_0 + id: channels_selective_fading_model + parameters: + K: '4.0' + LOS: 'False' + N: '8' + affinity: '' + alias: '' + comment: '' + delays: (0,1.8) + fDTs: ((4*carrier_freq)/(3*10e8))/samp_rate + mags: (1,0.12) + maxoutbuf: '0' + minoutbuf: '0' + ntaps: '8' + seed: '21' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [600, 572.0] + rotation: 0 + state: disabled +- name: digital_constellation_decoder_cb_0 + id: digital_constellation_decoder_cb + parameters: + affinity: '' + alias: '' + comment: '' + constellation: qam_const + maxoutbuf: '0' + minoutbuf: '0' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [256, 1308.0] + rotation: 0 + state: true +- name: digital_constellation_modulator_0 + id: digital_constellation_modulator + parameters: + affinity: '' + alias: '' + comment: '' + constellation: qam_const + differential: 'False' + 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: [472, 420.0] + rotation: 0 + state: true +- name: digital_corr_est_cc_0 + id: digital_corr_est_cc + parameters: + affinity: '' + alias: '' + comment: '' + mark_delay: len(access_code_symbols) // 2 + maxoutbuf: '0' + minoutbuf: '0' + sps: '1' + symbols: access_code_symbols + threshold: '0.9' + threshold_method: digital.THRESHOLD_ABSOLUTE + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [792, 972.0] + rotation: 0 + state: true +- name: digital_lms_dd_equalizer_cc_0 + id: digital_lms_dd_equalizer_cc + parameters: + affinity: '' + alias: '' + cnst: qam_const + comment: '' + maxoutbuf: '0' + minoutbuf: '0' + mu: 5e-3 + num_taps: '2' + sps: '1' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [520, 980.0] + rotation: 0 + state: true +- name: digital_pfb_clock_sync_xxx_0 + id: digital_pfb_clock_sync_xxx + parameters: + affinity: '' + alias: '' + comment: '' + filter_size: '32' + init_phase: '16' + loop_bw: 2 * np.pi / 100 + max_dev: '1.5' + maxoutbuf: '0' + minoutbuf: '0' + osps: '1' + sps: sps + taps: rrc_taps + type: ccf + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [248, 1004.0] + rotation: 0 + state: true +- name: fadingui_ber_0 + id: fadingui_ber + parameters: + affinity: '' + alias: '' + comment: '' + vgl: testvec + list(np.zeros(4)) + vlen: frame_len + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [1184, 1300.0] + rotation: 0 + state: true +- name: fadingui_datasource_0 + id: fadingui_datasource + parameters: + affinity: '' + alias: '' + comment: '' + fname: '' + frame_obj: '' + maxoutbuf: '0' + minoutbuf: '0' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [208, 612.0] + rotation: 0 + state: disabled +- name: fadingui_multipath_fading_0 + id: fadingui_multipath_fading + parameters: + affinity: '' + alias: '' + amplitudes: '[0.12]' + comment: '' + delays: '[1.8]' + los: 'True' + maxoutbuf: '0' + minoutbuf: '0' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [648, 740.0] + rotation: 0 + state: enabled +- name: fadingui_netsink_0 + id: fadingui_netsink + parameters: + address: udp://localhost:31415 + affinity: '' + alias: '' + comment: '' + type: complex + veclen: '1' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [704, 316.0] + rotation: 0 + state: disabled +- name: fadingui_netsink_1 + id: fadingui_netsink + parameters: + address: udp://localhost:31415 + affinity: '' + alias: '' + comment: '' + type: complex + veclen: '1' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [768, 916.0] + rotation: 0 + state: disabled +- name: fadingui_netsink_3 + id: fadingui_netsink + parameters: + address: udp://localhost:31415 + affinity: '' + alias: '' + comment: '' + type: complex + veclen: '1' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [1280, 916.0] + rotation: 0 + state: disabled +- name: fadingui_netsink_4 + id: fadingui_netsink + parameters: + address: udp://localhost:31415 + affinity: '' + alias: '' + comment: '' + type: complex + veclen: '1' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [528, 916.0] + rotation: 0 + state: disabled +- name: fadingui_phasecorrection_0 + id: fadingui_phasecorrection + parameters: + affinity: '' + alias: '' + comment: '' + frame_len: frame_len + maxoutbuf: '0' + minoutbuf: '0' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [1032, 988.0] + rotation: 0 + state: enabled +- name: import_0 + id: import + parameters: + alias: '' + comment: '' + imports: import numpy as np + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [224, 12.0] + rotation: 0 + state: enabled +- 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: '' + 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: '""' + nconnections: '3' + 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: [1304, 800.0] + rotation: 0 + 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: '' + label1: Signal 1 + label10: Signal 10 + label2: Signal 2 + 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: '""' + nconnections: '1' + size: '1024' + srate: samp_rate / sps + 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: '10' + ymin: '0' + yunit: '""' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [1272, 1060.0] + rotation: 0 + state: true +- name: virtual_sink_0 + id: virtual_sink + parameters: + alias: '' + comment: '' + stream_id: modulated + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [952, 444.0] + rotation: 0 + state: true +- name: virtual_sink_1 + id: virtual_sink + parameters: + alias: '' + comment: '' + stream_id: envelope + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [1000, 756.0] + rotation: 0 + state: true +- name: virtual_sink_2 + id: virtual_sink + parameters: + alias: '' + comment: '' + stream_id: symbols + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [1336, 988.0] + rotation: 0 + state: true +- name: virtual_source_0 + id: virtual_source + parameters: + alias: '' + comment: '' + stream_id: symbols + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [48, 1308.0] + rotation: 0 + state: true +- name: virtual_source_1 + id: virtual_source + parameters: + alias: '' + comment: '' + stream_id: envelope + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [48, 1052.0] + rotation: 0 + state: true +- name: virtual_source_2 + id: virtual_source + parameters: + alias: '' + comment: '' + stream_id: modulated + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [56, 756.0] + rotation: 0 + state: true + +connections: +- [analog_random_source_x_0, '0', blocks_stream_mux_0, '1'] +- [blocks_complex_to_mag_0, '0', qtgui_time_sink_x_0, '0'] +- [blocks_null_source_0, '0', blocks_stream_mux_0, '2'] +- [blocks_repack_bits_bb_0, '0', blocks_stream_to_vector_0, '0'] +- [blocks_stream_mux_0, '0', digital_constellation_modulator_0, '0'] +- [blocks_stream_to_vector_0, '0', fadingui_ber_0, '0'] +- [blocks_tagged_stream_align_0, '0', blocks_repack_bits_bb_0, '0'] +- [blocks_throttle_0, '0', virtual_sink_0, '0'] +- [blocks_vector_source_x_0, '0', blocks_stream_mux_0, '0'] +- [channels_channel_model_0, '0', channels_selective_fading_model_0, '0'] +- [channels_channel_model_0, '0', fadingui_multipath_fading_0, '0'] +- [channels_selective_fading_model_0, '0', virtual_sink_1, '0'] +- [digital_constellation_decoder_cb_0, '0', blocks_tagged_stream_align_0, '0'] +- [digital_constellation_modulator_0, '0', blocks_throttle_0, '0'] +- [digital_constellation_modulator_0, '0', fadingui_netsink_0, '0'] +- [digital_corr_est_cc_0, '0', fadingui_phasecorrection_0, '0'] +- [digital_corr_est_cc_0, '1', blocks_complex_to_mag_0, '0'] +- [digital_lms_dd_equalizer_cc_0, '0', digital_corr_est_cc_0, '0'] +- [digital_lms_dd_equalizer_cc_0, '0', qtgui_const_sink_x_0, '1'] +- [digital_pfb_clock_sync_xxx_0, '0', digital_lms_dd_equalizer_cc_0, '0'] +- [digital_pfb_clock_sync_xxx_0, '0', fadingui_netsink_4, '0'] +- [digital_pfb_clock_sync_xxx_0, '0', qtgui_const_sink_x_0, '0'] +- [fadingui_datasource_0, '0', digital_constellation_modulator_0, '0'] +- [fadingui_multipath_fading_0, '0', virtual_sink_1, '0'] +- [fadingui_phasecorrection_0, '0', fadingui_netsink_3, '0'] +- [fadingui_phasecorrection_0, '0', qtgui_const_sink_x_0, '2'] +- [fadingui_phasecorrection_0, '0', virtual_sink_2, '0'] +- [virtual_source_0, '0', digital_constellation_decoder_cb_0, '0'] +- [virtual_source_1, '0', digital_pfb_clock_sync_xxx_0, '0'] +- [virtual_source_2, '0', channels_channel_model_0, '0'] + +metadata: + file_format: 1 diff --git a/flowgraphs/qam_sim.py b/flowgraphs/qam_sim.py new file mode 100755 index 0000000..9f22572 --- /dev/null +++ b/flowgraphs/qam_sim.py @@ -0,0 +1,352 @@ +#!/usr/bin/env python3 +# -*- coding: utf-8 -*- + +# +# SPDX-License-Identifier: GPL-3.0 +# +# GNU Radio Python Flow Graph +# Title: QAM Sim +# Author: Naoki Sean Pross, Sara Cinzia Halter +# 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 +import fadingui +import numpy as np + +from gnuradio import qtgui + +class qam_sim(gr.top_block, Qt.QWidget): + + def __init__(self): + gr.top_block.__init__(self, "QAM Sim") + Qt.QWidget.__init__(self) + self.setWindowTitle("QAM Sim") + 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_sim") + + 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.testvec = testvec = [0x1f, 0x35] + [0x12, 0x48] + self.sps = sps = 4 + self.nfilts = nfilts = 32 + self.excess_bw = excess_bw = 0.35 + self.samp_rate = samp_rate = 1e6 + self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), excess_bw, 45*nfilts) + self.qam_const = qam_const = digital.constellation_16qam().base() + self.frame_len = frame_len = len(testvec) +4 + self.carrier_freq = carrier_freq = 2.4e9 + self.access_code_symbols = access_code_symbols = [(-0.31622776601683794-0.31622776601683794j), (-0.31622776601683794+0.31622776601683794j), (-0.9486832980505138-0.9486832980505138j), (-0.9486832980505138-0.31622776601683794j)] + + ################################################## + # Blocks + ################################################## + self.qtgui_time_sink_x_0 = qtgui.time_sink_f( + 1024, #size + samp_rate / sps, #samp_rate + "", #name + 1 #number of inputs + ) + self.qtgui_time_sink_x_0.set_update_time(0.10) + self.qtgui_time_sink_x_0.set_y_axis(0, 10) + + self.qtgui_time_sink_x_0.set_y_label('Amplitude', "") + + self.qtgui_time_sink_x_0.enable_tags(True) + self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") + self.qtgui_time_sink_x_0.enable_autoscale(False) + self.qtgui_time_sink_x_0.enable_grid(False) + self.qtgui_time_sink_x_0.enable_axis_labels(True) + self.qtgui_time_sink_x_0.enable_control_panel(False) + self.qtgui_time_sink_x_0.enable_stem_plot(False) + + + labels = ['Signal 1', 'Signal 2', 'Signal 3', 'Signal 4', 'Signal 5', + 'Signal 6', 'Signal 7', 'Signal 8', 'Signal 9', 'Signal 10'] + widths = [1, 1, 1, 1, 1, + 1, 1, 1, 1, 1] + colors = ['blue', 'red', 'green', 'black', 'cyan', + 'magenta', 'yellow', 'dark red', 'dark green', 'dark blue'] + alphas = [1.0, 1.0, 1.0, 1.0, 1.0, + 1.0, 1.0, 1.0, 1.0, 1.0] + styles = [1, 1, 1, 1, 1, + 1, 1, 1, 1, 1] + markers = [-1, -1, -1, -1, -1, + -1, -1, -1, -1, -1] + + + for i in range(1): + 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.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_win) + self.qtgui_const_sink_x_0 = qtgui.const_sink_c( + 1024, #size + "", #name + 3 #number of inputs + ) + self.qtgui_const_sink_x_0.set_update_time(0.10) + self.qtgui_const_sink_x_0.set_y_axis(-2, 2) + self.qtgui_const_sink_x_0.set_x_axis(-2, 2) + self.qtgui_const_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") + self.qtgui_const_sink_x_0.enable_autoscale(False) + self.qtgui_const_sink_x_0.enable_grid(False) + self.qtgui_const_sink_x_0.enable_axis_labels(True) + + + 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(3): + 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.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_win) + self.fadingui_phasecorrection_0 = fadingui.phasecorrection(frame_len) + self.fadingui_multipath_fading_0 = fadingui.multipath_fading(amplitudes=[0.12], delays=[1.8], los =True) + self.fadingui_ber_0 = fadingui.ber(vgl=testvec + list(np.zeros(4)), vlen=frame_len) + self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps, 2 * np.pi / 100, rrc_taps, 32, 16, 1.5, 1) + self.digital_lms_dd_equalizer_cc_0 = digital.lms_dd_equalizer_cc(2, 5e-3, 1, qam_const) + self.digital_corr_est_cc_0 = digital.corr_est_cc(access_code_symbols, 1, len(access_code_symbols) // 2, 0.9, digital.THRESHOLD_ABSOLUTE) + self.digital_constellation_modulator_0 = digital.generic_mod( + constellation=qam_const, + differential=False, + samples_per_symbol=sps, + pre_diff_code=True, + excess_bw=excess_bw, + verbose=False, + log=False) + self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(qam_const) + self.channels_channel_model_0 = channels.channel_model( + noise_voltage=100e-3, + frequency_offset=0, + epsilon=1.0, + taps=[np.exp(1j * 30 / 180 * np.pi)], + noise_seed=243, + block_tags=False) + self.blocks_vector_source_x_0 = blocks.vector_source_b(testvec, True, 1, []) + self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True) + self.blocks_tagged_stream_align_0 = blocks.tagged_stream_align(gr.sizeof_char*1, 'frame_start') + self.blocks_stream_to_vector_0 = blocks.stream_to_vector(gr.sizeof_char*1, frame_len) + self.blocks_stream_mux_0 = blocks.stream_mux(gr.sizeof_char*1, [len(testvec), 4, 0]) + self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(2, 8, "", False, gr.GR_LSB_FIRST) + self.blocks_null_source_0 = blocks.null_source(gr.sizeof_char*1) + self.blocks_complex_to_mag_0 = blocks.complex_to_mag(1) + self.analog_random_source_x_0 = blocks.vector_source_b(list(map(int, numpy.random.randint(0, 255, 400))), True) + + + + ################################################## + # Connections + ################################################## + self.connect((self.analog_random_source_x_0, 0), (self.blocks_stream_mux_0, 1)) + self.connect((self.blocks_complex_to_mag_0, 0), (self.qtgui_time_sink_x_0, 0)) + self.connect((self.blocks_null_source_0, 0), (self.blocks_stream_mux_0, 2)) + self.connect((self.blocks_repack_bits_bb_0, 0), (self.blocks_stream_to_vector_0, 0)) + self.connect((self.blocks_stream_mux_0, 0), (self.digital_constellation_modulator_0, 0)) + self.connect((self.blocks_stream_to_vector_0, 0), (self.fadingui_ber_0, 0)) + self.connect((self.blocks_tagged_stream_align_0, 0), (self.blocks_repack_bits_bb_0, 0)) + self.connect((self.blocks_throttle_0, 0), (self.channels_channel_model_0, 0)) + self.connect((self.blocks_vector_source_x_0, 0), (self.blocks_stream_mux_0, 0)) + self.connect((self.channels_channel_model_0, 0), (self.fadingui_multipath_fading_0, 0)) + self.connect((self.digital_constellation_decoder_cb_0, 0), (self.blocks_tagged_stream_align_0, 0)) + self.connect((self.digital_constellation_modulator_0, 0), (self.blocks_throttle_0, 0)) + self.connect((self.digital_corr_est_cc_0, 1), (self.blocks_complex_to_mag_0, 0)) + self.connect((self.digital_corr_est_cc_0, 0), (self.fadingui_phasecorrection_0, 0)) + self.connect((self.digital_lms_dd_equalizer_cc_0, 0), (self.digital_corr_est_cc_0, 0)) + self.connect((self.digital_lms_dd_equalizer_cc_0, 0), (self.qtgui_const_sink_x_0, 1)) + self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_lms_dd_equalizer_cc_0, 0)) + self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.qtgui_const_sink_x_0, 0)) + self.connect((self.fadingui_multipath_fading_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) + self.connect((self.fadingui_phasecorrection_0, 0), (self.digital_constellation_decoder_cb_0, 0)) + self.connect((self.fadingui_phasecorrection_0, 0), (self.qtgui_const_sink_x_0, 2)) + + + def closeEvent(self, event): + self.settings = Qt.QSettings("GNU Radio", "qam_sim") + self.settings.setValue("geometry", self.saveGeometry()) + event.accept() + + def get_testvec(self): + return self.testvec + + def set_testvec(self, testvec): + self.testvec = testvec + self.set_frame_len(len(self.testvec) +4) + self.blocks_vector_source_x_0.set_data(self.testvec, []) + + 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)) + self.qtgui_time_sink_x_0.set_samp_rate(self.samp_rate / self.sps) + + 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_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_time_sink_x_0.set_samp_rate(self.samp_rate / self.sps) + + 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_qam_const(self): + return self.qam_const + + def set_qam_const(self, qam_const): + self.qam_const = qam_const + + def get_frame_len(self): + return self.frame_len + + def set_frame_len(self, frame_len): + self.frame_len = frame_len + + def get_carrier_freq(self): + return self.carrier_freq + + def set_carrier_freq(self, carrier_freq): + self.carrier_freq = carrier_freq + + def get_access_code_symbols(self): + return self.access_code_symbols + + def set_access_code_symbols(self, access_code_symbols): + self.access_code_symbols = access_code_symbols + self.digital_corr_est_cc_0.set_mark_delay(len(self.access_code_symbols) // 2) + + + + + +def main(top_block_cls=qam_sim, 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() |