diff options
Diffstat (limited to '')
| -rw-r--r-- | flowgraphs/qpsk_hw.grc | 92 | ||||
| -rwxr-xr-x | flowgraphs/qpsk_hw.py | 187 | ||||
| -rw-r--r-- | flowgraphs/qpsk_sim.grc | 20 | ||||
| -rwxr-xr-x | flowgraphs/qpsk_sim.py | 19 |
4 files changed, 281 insertions, 37 deletions
diff --git a/flowgraphs/qpsk_hw.grc b/flowgraphs/qpsk_hw.grc index 5ace489..053d364 100644 --- a/flowgraphs/qpsk_hw.grc +++ b/flowgraphs/qpsk_hw.grc @@ -8,7 +8,7 @@ options: description: '' gen_cmake: 'On' gen_linking: dynamic - generate_options: no_gui + generate_options: qt_gui hier_block_src_path: '.:' id: qpsk_hw max_nouts: '0' @@ -198,7 +198,79 @@ blocks: bus_structure: null coordinate: [1064, 1080.0] rotation: 0 - state: disabled + state: enabled +- name: blocks_file_sink_0 + id: blocks_file_sink + parameters: + affinity: '' + alias: '' + append: 'False' + comment: '' + file: data/channel_qpsk_hw.dat + type: complex + unbuffered: 'False' + vlen: '1' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [992, 596.0] + rotation: 0 + state: true +- name: blocks_file_sink_1 + id: blocks_file_sink + parameters: + affinity: '' + alias: '' + append: 'False' + comment: '' + file: data/synchronized_qpsk_hw.dat + type: complex + unbuffered: 'False' + vlen: '1' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [520, 1196.0] + rotation: 0 + state: true +- name: blocks_file_sink_2 + id: blocks_file_sink + parameters: + affinity: '' + alias: '' + append: 'False' + comment: '' + file: data/equalized_qpsk_hw.dat + type: complex + unbuffered: 'False' + vlen: '1' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [768, 1164.0] + rotation: 0 + state: true +- name: blocks_file_sink_3 + id: blocks_file_sink + parameters: + affinity: '' + alias: '' + append: 'False' + comment: '' + file: data/locked_qpsk_hw.dat + type: complex + unbuffered: 'False' + vlen: '1' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [1312, 836.0] + rotation: 0 + state: true - name: blocks_repack_bits_bb_0 id: blocks_repack_bits_bb parameters: @@ -361,7 +433,7 @@ blocks: minoutbuf: '0' sps: '1' symbols: access_code_symbols - threshold: '0.7' + threshold: '0.65' threshold_method: digital.THRESHOLD_ABSOLUTE states: bus_sink: false @@ -490,7 +562,7 @@ blocks: bus_sink: false bus_source: false bus_structure: null - coordinate: [1280, 916.0] + coordinate: [1312, 924.0] rotation: 0 state: enabled - name: fadingui_netsink_4 @@ -522,7 +594,7 @@ blocks: bus_sink: false bus_source: false bus_structure: null - coordinate: [968, 660.0] + coordinate: [992, 684.0] rotation: 0 state: enabled - name: fadingui_phasecorrection_0 @@ -643,9 +715,9 @@ blocks: bus_sink: false bus_source: false bus_structure: null - coordinate: [1280, 784.0] + coordinate: [1312, 720.0] rotation: 0 - state: disabled + state: enabled - name: qtgui_time_sink_x_0 id: qtgui_time_sink_x parameters: @@ -742,7 +814,7 @@ blocks: bus_structure: null coordinate: [1248, 1060.0] rotation: 0 - state: disabled + state: enabled - name: uhd_usrp_sink_0 id: uhd_usrp_sink parameters: @@ -1487,17 +1559,21 @@ connections: - [digital_constellation_modulator_0, '0', virtual_sink_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', blocks_file_sink_2, '0'] - [digital_lms_dd_equalizer_cc_0, '0', digital_corr_est_cc_0, '0'] - [digital_lms_dd_equalizer_cc_0, '0', fadingui_netsink_1, '0'] - [digital_lms_dd_equalizer_cc_0, '0', qtgui_const_sink_x_0_0, '1'] +- [digital_pfb_clock_sync_xxx_0, '0', blocks_file_sink_1, '0'] - [digital_pfb_clock_sync_xxx_0, '0', digital_cma_equalizer_cc_0, '0'] - [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, '0'] - [fadingui_datasource_0, '0', digital_constellation_modulator_0, '0'] +- [fadingui_phasecorrection_0, '0', blocks_file_sink_3, '0'] - [fadingui_phasecorrection_0, '0', fadingui_netsink_3, '0'] - [fadingui_phasecorrection_0, '0', qtgui_const_sink_x_0_0, '2'] - [fadingui_phasecorrection_0, '0', virtual_sink_2, '0'] +- [uhd_usrp_source_0, '0', blocks_file_sink_0, '0'] - [uhd_usrp_source_0, '0', fadingui_netsink_4_0, '0'] - [uhd_usrp_source_0, '0', virtual_sink_1, '0'] - [virtual_source_0, '0', digital_constellation_decoder_cb_0, '0'] diff --git a/flowgraphs/qpsk_hw.py b/flowgraphs/qpsk_hw.py index c13a26d..0e46532 100755 --- a/flowgraphs/qpsk_hw.py +++ b/flowgraphs/qpsk_hw.py @@ -9,11 +9,26 @@ # 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 digital from gnuradio import gr -from gnuradio.filter import firdes import sys import signal from argparse import ArgumentParser @@ -24,11 +39,40 @@ import time import fadingui import numpy as np +from gnuradio import qtgui -class qpsk_hw(gr.top_block): +class qpsk_hw(gr.top_block, Qt.QWidget): def __init__(self): gr.top_block.__init__(self, "QPSK Hardware") + Qt.QWidget.__init__(self) + self.setWindowTitle("QPSK Hardware") + 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", "qpsk_hw") + + 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 @@ -76,6 +120,93 @@ class qpsk_hw(gr.top_block): self.uhd_usrp_sink_0.set_antenna('TX/RX', 0) self.uhd_usrp_sink_0.set_samp_rate(samp_rate) self.uhd_usrp_sink_0.set_time_unknown_pps(uhd.time_spec()) + 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_0 = qtgui.const_sink_c( + 1024, #size + "", #name + 3 #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", "dark green", "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_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.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_0_win) self.fadingui_phasecorrection_0 = fadingui.phasecorrection(frame_len) self.fadingui_netsink_4_0 = fadingui.netsink(address='udp://localhost:31416', dtype="complex", vlen=1) self.fadingui_netsink_4 = fadingui.netsink(address='udp://localhost:31417', dtype="complex", vlen=1) @@ -84,7 +215,7 @@ class qpsk_hw(gr.top_block): self.fadingui_ber_0 = fadingui.ber(vgl=testvec + list(np.zeros(4)), vlen=frame_len,address='udp://localhost:31420') 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(15, 3e-3, 1, qpsk_const) - self.digital_corr_est_cc_0 = digital.corr_est_cc(access_code_symbols, 1, len(access_code_symbols) // 2, 0.7, digital.THRESHOLD_ABSOLUTE) + self.digital_corr_est_cc_0 = digital.corr_est_cc(access_code_symbols, 1, len(access_code_symbols) // 2, 0.65, digital.THRESHOLD_ABSOLUTE) self.digital_constellation_modulator_0 = digital.generic_mod( constellation=qpsk_const, differential=False, @@ -99,6 +230,15 @@ class qpsk_hw(gr.top_block): 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]) self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(2, 8, "", False, gr.GR_LSB_FIRST) + self.blocks_file_sink_3 = blocks.file_sink(gr.sizeof_gr_complex*1, 'data/locked_qpsk_hw.dat', False) + self.blocks_file_sink_3.set_unbuffered(False) + self.blocks_file_sink_2 = blocks.file_sink(gr.sizeof_gr_complex*1, 'data/equalized_qpsk_hw.dat', False) + self.blocks_file_sink_2.set_unbuffered(False) + self.blocks_file_sink_1 = blocks.file_sink(gr.sizeof_gr_complex*1, 'data/synchronized_qpsk_hw.dat', False) + self.blocks_file_sink_1.set_unbuffered(False) + self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_gr_complex*1, 'data/channel_qpsk_hw.dat', False) + self.blocks_file_sink_0.set_unbuffered(False) + 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) @@ -107,6 +247,7 @@ class qpsk_hw(gr.top_block): # 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_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)) @@ -114,17 +255,30 @@ class qpsk_hw(gr.top_block): self.connect((self.blocks_vector_source_x_0, 0), (self.blocks_stream_mux_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.uhd_usrp_sink_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.blocks_file_sink_2, 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.fadingui_netsink_1, 0)) + self.connect((self.digital_lms_dd_equalizer_cc_0, 0), (self.qtgui_const_sink_x_0_0, 1)) + self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.blocks_file_sink_1, 0)) 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.fadingui_netsink_4, 0)) + self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.qtgui_const_sink_x_0_0, 0)) + self.connect((self.fadingui_phasecorrection_0, 0), (self.blocks_file_sink_3, 0)) self.connect((self.fadingui_phasecorrection_0, 0), (self.digital_constellation_decoder_cb_0, 0)) self.connect((self.fadingui_phasecorrection_0, 0), (self.fadingui_netsink_3, 0)) + self.connect((self.fadingui_phasecorrection_0, 0), (self.qtgui_const_sink_x_0_0, 2)) + self.connect((self.uhd_usrp_source_0, 0), (self.blocks_file_sink_0, 0)) self.connect((self.uhd_usrp_source_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) self.connect((self.uhd_usrp_source_0, 0), (self.fadingui_netsink_4_0, 0)) + def closeEvent(self, event): + self.settings = Qt.QSettings("GNU Radio", "qpsk_hw") + self.settings.setValue("geometry", self.saveGeometry()) + event.accept() + def get_testvec(self): return self.testvec @@ -139,6 +293,7 @@ class qpsk_hw(gr.top_block): 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 @@ -159,6 +314,7 @@ class qpsk_hw(gr.top_block): def set_samp_rate(self, samp_rate): self.samp_rate = samp_rate + self.qtgui_time_sink_x_0.set_samp_rate(self.samp_rate / self.sps) self.uhd_usrp_sink_0.set_samp_rate(self.samp_rate) self.uhd_usrp_source_0.set_samp_rate(self.samp_rate) @@ -195,21 +351,34 @@ class qpsk_hw(gr.top_block): def main(top_block_cls=qpsk_hw, 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() - def sig_handler(sig=None, frame=None): - tb.stop() - tb.wait() + tb.start() - sys.exit(0) + tb.show() + + def sig_handler(sig=None, frame=None): + Qt.QApplication.quit() signal.signal(signal.SIGINT, sig_handler) signal.signal(signal.SIGTERM, sig_handler) - tb.start() + timer = Qt.QTimer() + timer.start(500) + timer.timeout.connect(lambda: None) - tb.wait() + def quitting(): + tb.stop() + tb.wait() + qapp.aboutToQuit.connect(quitting) + qapp.exec_() if __name__ == '__main__': main() diff --git a/flowgraphs/qpsk_sim.grc b/flowgraphs/qpsk_sim.grc index 5bdbb47..fe07f14 100644 --- a/flowgraphs/qpsk_sim.grc +++ b/flowgraphs/qpsk_sim.grc @@ -247,7 +247,7 @@ blocks: alias: '' append: 'False' comment: '' - file: data/qpsk_channel.dat + file: data/channel_qpsk.dat type: complex unbuffered: 'False' vlen: '1' @@ -265,7 +265,7 @@ blocks: alias: '' append: 'False' comment: '' - file: data/qpsk_locked.dat + file: data/locked_qpsk.dat type: complex unbuffered: 'False' vlen: '1' @@ -283,7 +283,7 @@ blocks: alias: '' append: 'False' comment: '' - file: data/qpsk_sync.dat + file: data/synchronized_qpsk.dat type: complex unbuffered: 'False' vlen: '1' @@ -301,7 +301,7 @@ blocks: alias: '' append: 'False' comment: '' - file: data/qpsk_equalized.dat + file: data/equalized_qpsk.dat type: complex unbuffered: 'False' vlen: '1' @@ -507,7 +507,7 @@ blocks: bus_structure: null coordinate: [592, 572.0] rotation: 0 - state: enabled + state: disabled - name: digital_cma_equalizer_cc_0 id: digital_cma_equalizer_cc parameters: @@ -645,10 +645,10 @@ blocks: parameters: affinity: '' alias: '' - amplitudes: '[0.2]' + amplitudes: '[0.2, 0.08, 0.5, 0.4]' comment: '' - delays: '[sps]' - los: 'True' + delays: '[0.25, 3.25, 4, 6.3]' + los: 'False' maxoutbuf: '0' minoutbuf: '0' states: @@ -657,7 +657,7 @@ blocks: bus_structure: null coordinate: [648, 740.0] rotation: 0 - state: disabled + state: enabled - name: fadingui_netsink_0 id: fadingui_netsink parameters: @@ -671,7 +671,7 @@ blocks: bus_sink: false bus_source: false bus_structure: null - coordinate: [992, 620.0] + coordinate: [992, 628.0] rotation: 0 state: enabled - name: fadingui_netsink_0_0 diff --git a/flowgraphs/qpsk_sim.py b/flowgraphs/qpsk_sim.py index 3c2b288..09a0741 100755 --- a/flowgraphs/qpsk_sim.py +++ b/flowgraphs/qpsk_sim.py @@ -136,6 +136,7 @@ class qpsk_sim(gr.top_block, Qt.QWidget): self.fadingui_netsink_1 = fadingui.netsink(address='udp://localhost:31418', dtype="complex", vlen=1) self.fadingui_netsink_0_0 = fadingui.netsink(address='udp://localhost:31415', dtype="float", vlen=1) self.fadingui_netsink_0 = fadingui.netsink(address='udp://localhost:31416', dtype="complex", vlen=1) + self.fadingui_multipath_fading_0 = fadingui.multipath_fading(amplitudes=[0.2, 0.08, 0.5, 0.4], delays=[0.25, 3.25, 4, 6.3], los =False) self.fadingui_ber_0 = fadingui.ber(vgl=list(np.zeros(frame_len)), vlen=frame_len,address='udp://localhost:31420') 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_corr_est_cc_0 = digital.corr_est_cc(access_code_symbols, 1, len(access_code_symbols) // 2, 0.9, digital.THRESHOLD_ABSOLUTE) @@ -149,20 +150,19 @@ class qpsk_sim(gr.top_block, Qt.QWidget): log=False) self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(qpsk_const) self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc(15, 1, 2e-3, 1) - self.channels_selective_fading_model_0 = channels.selective_fading_model( 8, 5/samp_rate, True, 5, 0, (0,0.05e-6/samp_rate,0.12e-6/samp_rate,0.2e-6/samp_rate,0.23e-6/samp_rate,0.5e-6/samp_rate,1.6e-6/samp_rate,2.3e-6/samp_rate,5e-6/samp_rate), (0.7943282347242815,0.7943282347242815,0.7943282347242815,1,1,1,0.5011872336272722,0.31622776601683794,0.19952623149688797), 9 ) 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]) self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(2, 8, "", False, gr.GR_LSB_FIRST) - self.blocks_file_sink_3 = blocks.file_sink(gr.sizeof_gr_complex*1, 'data/qpsk_equalized.dat', False) + self.blocks_file_sink_3 = blocks.file_sink(gr.sizeof_gr_complex*1, 'data/equalized_qpsk.dat', False) self.blocks_file_sink_3.set_unbuffered(False) - self.blocks_file_sink_2 = blocks.file_sink(gr.sizeof_gr_complex*1, 'data/qpsk_sync.dat', False) + self.blocks_file_sink_2 = blocks.file_sink(gr.sizeof_gr_complex*1, 'data/synchronized_qpsk.dat', False) self.blocks_file_sink_2.set_unbuffered(False) - self.blocks_file_sink_1 = blocks.file_sink(gr.sizeof_gr_complex*1, 'data/qpsk_locked.dat', False) + self.blocks_file_sink_1 = blocks.file_sink(gr.sizeof_gr_complex*1, 'data/locked_qpsk.dat', False) self.blocks_file_sink_1.set_unbuffered(False) - self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_gr_complex*1, 'data/qpsk_channel.dat', False) + self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_gr_complex*1, 'data/channel_qpsk.dat', False) self.blocks_file_sink_0.set_unbuffered(False) 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) @@ -178,11 +178,8 @@ class qpsk_sim(gr.top_block, Qt.QWidget): 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_selective_fading_model_0, 0)) + self.connect((self.blocks_throttle_0, 0), (self.fadingui_multipath_fading_0, 0)) self.connect((self.blocks_vector_source_x_0, 0), (self.blocks_stream_mux_0, 0)) - self.connect((self.channels_selective_fading_model_0, 0), (self.blocks_file_sink_0, 0)) - 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.fadingui_netsink_0, 0)) self.connect((self.digital_cma_equalizer_cc_0, 0), (self.blocks_file_sink_3, 0)) self.connect((self.digital_cma_equalizer_cc_0, 0), (self.digital_corr_est_cc_0, 0)) self.connect((self.digital_cma_equalizer_cc_0, 0), (self.fadingui_netsink_1, 0)) @@ -194,6 +191,9 @@ class qpsk_sim(gr.top_block, Qt.QWidget): 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.fadingui_netsink_4, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.qtgui_const_sink_x_1, 1)) + self.connect((self.fadingui_multipath_fading_0, 0), (self.blocks_file_sink_0, 0)) + self.connect((self.fadingui_multipath_fading_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) + self.connect((self.fadingui_multipath_fading_0, 0), (self.fadingui_netsink_0, 0)) self.connect((self.fadingui_phasecorrection_0, 0), (self.blocks_file_sink_1, 0)) self.connect((self.fadingui_phasecorrection_0, 0), (self.digital_constellation_decoder_cb_0, 0)) self.connect((self.fadingui_phasecorrection_0, 0), (self.fadingui_netsink_3, 0)) @@ -240,7 +240,6 @@ class qpsk_sim(gr.top_block, Qt.QWidget): 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(5/self.samp_rate) def get_rrc_taps(self): return self.rrc_taps |