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authorNao Pross <np@0hm.ch>2021-12-13 19:09:56 +0100
committerNao Pross <np@0hm.ch>2021-12-13 19:09:56 +0100
commit079c9e127b1e070c7c1637e09b3ee682baee6f92 (patch)
treee54c171f43ff4023cdb15cc1821061c63acbbac1 /flowgraphs
parentCorrect window sizes and bug in network_constellation_plot (diff)
downloadFading-079c9e127b1e070c7c1637e09b3ee682baee6f92.tar.gz
Fading-079c9e127b1e070c7c1637e09b3ee682baee6f92.zip
Update QAM flowgraph and show crosscorrelation
Diffstat (limited to '')
-rw-r--r--flowgraphs/qam_sim.grc37
-rwxr-xr-xflowgraphs/qam_sim.py191
-rw-r--r--flowgraphs/qpsk_sim.grc28
-rwxr-xr-xflowgraphs/qpsk_sim.py8
4 files changed, 69 insertions, 195 deletions
diff --git a/flowgraphs/qam_sim.grc b/flowgraphs/qam_sim.grc
index b7aee4b..02b174c 100644
--- a/flowgraphs/qam_sim.grc
+++ b/flowgraphs/qam_sim.grc
@@ -8,7 +8,7 @@ options:
description: ''
gen_cmake: 'On'
gen_linking: dynamic
- generate_options: qt_gui
+ generate_options: no_gui
hier_block_src_path: '.:'
id: qam_sim
max_nouts: '0'
@@ -208,7 +208,7 @@ blocks:
bus_structure: null
coordinate: [1088, 1080.0]
rotation: 0
- state: true
+ state: disabled
- name: blocks_null_source_0
id: blocks_null_source
parameters:
@@ -385,7 +385,7 @@ blocks:
bus_structure: null
coordinate: [600, 572.0]
rotation: 0
- state: enabled
+ state: disabled
- name: digital_constellation_decoder_cb_0
id: digital_constellation_decoder_cb
parameters:
@@ -488,6 +488,7 @@ blocks:
- name: fadingui_ber_0
id: fadingui_ber
parameters:
+ address: udp://localhost:31415
affinity: ''
alias: ''
comment: ''
@@ -534,11 +535,11 @@ blocks:
bus_structure: null
coordinate: [648, 740.0]
rotation: 0
- state: disabled
+ state: enabled
- name: fadingui_netsink_0
id: fadingui_netsink
parameters:
- address: udp://localhost:31415
+ address: udp://localhost:31416
affinity: ''
alias: ''
comment: ''
@@ -548,13 +549,13 @@ blocks:
bus_sink: false
bus_source: false
bus_structure: null
- coordinate: [704, 316.0]
+ coordinate: [984, 620.0]
rotation: 0
- state: disabled
+ state: enabled
- name: fadingui_netsink_1
id: fadingui_netsink
parameters:
- address: udp://localhost:31415
+ address: udp://localhost:31418
affinity: ''
alias: ''
comment: ''
@@ -564,13 +565,13 @@ blocks:
bus_sink: false
bus_source: false
bus_structure: null
- coordinate: [768, 916.0]
+ coordinate: [800, 916.0]
rotation: 0
- state: disabled
+ state: enabled
- name: fadingui_netsink_3
id: fadingui_netsink
parameters:
- address: udp://localhost:31415
+ address: udp://localhost:31419
affinity: ''
alias: ''
comment: ''
@@ -582,11 +583,11 @@ blocks:
bus_structure: null
coordinate: [1280, 916.0]
rotation: 0
- state: disabled
+ state: enabled
- name: fadingui_netsink_4
id: fadingui_netsink
parameters:
- address: udp://localhost:31415
+ address: udp://localhost:31417
affinity: ''
alias: ''
comment: ''
@@ -598,7 +599,7 @@ blocks:
bus_structure: null
coordinate: [528, 916.0]
rotation: 0
- state: disabled
+ state: enabled
- name: fadingui_phasecorrection_0
id: fadingui_phasecorrection
parameters:
@@ -719,7 +720,7 @@ blocks:
bus_structure: null
coordinate: [1304, 800.0]
rotation: 0
- state: true
+ state: disabled
- name: qtgui_time_sink_x_0
id: qtgui_time_sink_x
parameters:
@@ -816,7 +817,7 @@ blocks:
bus_structure: null
coordinate: [1272, 1060.0]
rotation: 0
- state: true
+ state: disabled
- name: virtual_sink_0
id: virtual_sink
parameters:
@@ -908,18 +909,20 @@ connections:
- [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', fadingui_netsink_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', fadingui_netsink_1, '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', fadingui_netsink_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']
diff --git a/flowgraphs/qam_sim.py b/flowgraphs/qam_sim.py
index b450f74..66045c2 100755
--- a/flowgraphs/qam_sim.py
+++ b/flowgraphs/qam_sim.py
@@ -9,25 +9,10 @@
# 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.filter import firdes
from gnuradio import digital
from gnuradio import gr
import sys
@@ -38,40 +23,11 @@ from gnuradio import eng_notation
import fadingui
import numpy as np
-from gnuradio import qtgui
-class qam_sim(gr.top_block, Qt.QWidget):
+class qam_sim(gr.top_block):
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
@@ -90,95 +46,13 @@ class qam_sim(gr.top_block, Qt.QWidget):
##################################################
# 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_ber_0 = fadingui.ber(vgl=testvec + list(np.zeros(4)), vlen=frame_len)
+ self.fadingui_netsink_4 = fadingui.netsink(address='udp://localhost:31417', dtype="complex", vlen=1)
+ self.fadingui_netsink_3 = fadingui.netsink(address='udp://localhost:31419', dtype="complex", vlen=1)
+ self.fadingui_netsink_1 = fadingui.netsink(address='udp://localhost:31418', dtype="complex", 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=[0.12], delays=[1.8], los =True)
+ self.fadingui_ber_0 = fadingui.ber(vgl=testvec + list(np.zeros(4)), vlen=frame_len,address='udp://localhost:31415')
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)
@@ -191,7 +65,6 @@ class qam_sim(gr.top_block, Qt.QWidget):
verbose=False,
log=False)
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(qam_const)
- self.channels_selective_fading_model_0 = channels.selective_fading_model( 8, ((4*carrier_freq)/(3*10e8))/samp_rate, False, 4.0, 21, (0,1.8), (1,0.12), 8 )
self.channels_channel_model_0 = channels.channel_model(
noise_voltage=100e-3,
frequency_offset=0,
@@ -206,7 +79,6 @@ class qam_sim(gr.top_block, Qt.QWidget):
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)
@@ -215,7 +87,6 @@ class qam_sim(gr.top_block, Qt.QWidget):
# 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))
@@ -223,25 +94,20 @@ class qam_sim(gr.top_block, Qt.QWidget):
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.channels_selective_fading_model_0, 0))
- self.connect((self.channels_selective_fading_model_0, 0), (self.digital_pfb_clock_sync_xxx_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_lms_dd_equalizer_cc_0, 0), (self.fadingui_netsink_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.qtgui_const_sink_x_0, 0))
+ self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.fadingui_netsink_4, 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.digital_constellation_decoder_cb_0, 0))
- self.connect((self.fadingui_phasecorrection_0, 0), (self.qtgui_const_sink_x_0, 2))
+ self.connect((self.fadingui_phasecorrection_0, 0), (self.fadingui_netsink_3, 0))
- 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
@@ -256,7 +122,6 @@ class qam_sim(gr.top_block, Qt.QWidget):
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
@@ -278,8 +143,6 @@ class qam_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(((4*self.carrier_freq)/(3*10e8))/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
@@ -305,7 +168,6 @@ class qam_sim(gr.top_block, Qt.QWidget):
def set_carrier_freq(self, carrier_freq):
self.carrier_freq = carrier_freq
- self.channels_selective_fading_model_0.set_fDTs(((4*self.carrier_freq)/(3*10e8))/self.samp_rate)
def get_access_code_symbols(self):
return self.access_code_symbols
@@ -321,34 +183,21 @@ class qam_sim(gr.top_block, Qt.QWidget):
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()
+ tb.stop()
+ tb.wait()
+
+ sys.exit(0)
signal.signal(signal.SIGINT, sig_handler)
signal.signal(signal.SIGTERM, sig_handler)
- timer = Qt.QTimer()
- timer.start(500)
- timer.timeout.connect(lambda: None)
+ tb.start()
- def quitting():
- tb.stop()
- tb.wait()
+ 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 efd8999..7be9ec8 100644
--- a/flowgraphs/qpsk_sim.grc
+++ b/flowgraphs/qpsk_sim.grc
@@ -210,7 +210,7 @@ blocks:
bus_structure: null
coordinate: [1064, 1080.0]
rotation: 0
- state: disabled
+ state: enabled
- name: blocks_repack_bits_bb_0
id: blocks_repack_bits_bb
parameters:
@@ -471,7 +471,7 @@ blocks:
- name: fadingui_ber_0
id: fadingui_ber
parameters:
- address: udp://localhost:31415
+ address: udp://localhost:31420
affinity: ''
alias: ''
comment: ''
@@ -481,7 +481,7 @@ blocks:
bus_sink: false
bus_source: false
bus_structure: null
- coordinate: [1184, 1292.0]
+ coordinate: [1200, 1292.0]
rotation: 0
state: true
- name: fadingui_datasource_0
@@ -532,7 +532,23 @@ blocks:
bus_sink: false
bus_source: false
bus_structure: null
- coordinate: [704, 316.0]
+ coordinate: [992, 620.0]
+ rotation: 0
+ state: enabled
+- name: fadingui_netsink_0_0
+ id: fadingui_netsink
+ parameters:
+ address: udp://localhost:31415
+ affinity: ''
+ alias: ''
+ comment: ''
+ type: float
+ veclen: '1'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [1248, 1148.0]
rotation: 0
state: enabled
- name: fadingui_netsink_1
@@ -882,6 +898,7 @@ blocks:
connections:
- [analog_random_source_x_0, '0', blocks_stream_mux_0, '1']
+- [blocks_complex_to_mag_0, '0', fadingui_netsink_0_0, '0']
- [blocks_complex_to_mag_0, '0', qtgui_time_sink_x_0, '0']
- [blocks_repack_bits_bb_0, '0', blocks_stream_to_vector_0, '0']
- [blocks_stream_mux_0, '0', digital_constellation_modulator_0, '0']
@@ -891,17 +908,18 @@ connections:
- [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', fadingui_netsink_0, '0']
- [channels_selective_fading_model_0, '0', virtual_sink_1, '0']
- [digital_cma_equalizer_cc_0, '0', digital_corr_est_cc_0, '0']
- [digital_cma_equalizer_cc_0, '0', fadingui_netsink_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_pfb_clock_sync_xxx_0, '0', digital_cma_equalizer_cc_0, '0']
- [digital_pfb_clock_sync_xxx_0, '0', fadingui_netsink_4, '0']
- [fadingui_datasource_0, '0', digital_constellation_modulator_0, '0']
+- [fadingui_multipath_fading_0, '0', fadingui_netsink_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, '0']
diff --git a/flowgraphs/qpsk_sim.py b/flowgraphs/qpsk_sim.py
index f2d1a26..b633bba 100755
--- a/flowgraphs/qpsk_sim.py
+++ b/flowgraphs/qpsk_sim.py
@@ -50,9 +50,10 @@ class qpsk_sim(gr.top_block):
self.fadingui_netsink_4 = fadingui.netsink(address='udp://localhost:31417', dtype="complex", vlen=1)
self.fadingui_netsink_3 = fadingui.netsink(address='udp://localhost:31419', dtype="complex", vlen=1)
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=[0.12], delays=[1.8], los =True)
- self.fadingui_ber_0 = fadingui.ber(vgl=testvec + list(np.zeros(4)), vlen=frame_len,address='udp://localhost:31415')
+ 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_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(
@@ -78,6 +79,7 @@ class qpsk_sim(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_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)
@@ -86,6 +88,7 @@ class qpsk_sim(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.fadingui_netsink_0_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))
@@ -97,11 +100,12 @@ class qpsk_sim(gr.top_block):
self.connect((self.digital_cma_equalizer_cc_0, 0), (self.fadingui_netsink_1, 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_constellation_modulator_0, 0), (self.fadingui_netsink_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_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.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.digital_constellation_decoder_cb_0, 0))
self.connect((self.fadingui_phasecorrection_0, 0), (self.fadingui_netsink_3, 0))