aboutsummaryrefslogtreecommitdiffstats
path: root/simulation/QPSK
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--simulation/QPSK/qpsk.grc20
-rw-r--r--simulation/QPSK/qpsk_nogui.grc479
-rwxr-xr-xsimulation/QPSK/qpsk_nogui.py233
3 files changed, 723 insertions, 9 deletions
diff --git a/simulation/QPSK/qpsk.grc b/simulation/QPSK/qpsk.grc
index ffc7103..11a2e6a 100644
--- a/simulation/QPSK/qpsk.grc
+++ b/simulation/QPSK/qpsk.grc
@@ -1,6 +1,7 @@
options:
parameters:
author: Pross Naoki, Halter Sara Cinzia
+ catch_exceptions: 'True'
category: '[GRC Hier Blocks]'
cmake_opt: ''
comment: ''
@@ -22,7 +23,6 @@ options:
sizing_mode: fixed
thread_safe_setters: ''
title: QPSK
- window_size: ''
states:
bus_sink: false
bus_source: false
@@ -51,7 +51,7 @@ blocks:
gui_hint: 'params@1: 0,0,1,1'
label: Equalizer Rate
min_len: '200'
- orient: Qt.Horizontal
+ orient: QtCore.Qt.Horizontal
rangeType: float
start: '0'
step: '.001'
@@ -108,7 +108,7 @@ blocks:
gui_hint: 'params@0: 1,0,1,1'
label: Frequency Offset
min_len: '200'
- orient: Qt.Horizontal
+ orient: QtCore.Qt.Horizontal
rangeType: float
start: -100e-3
step: 1e-3
@@ -141,7 +141,7 @@ blocks:
gui_hint: 'params@0: 0,0,1,1'
label: Noise Voltage
min_len: '200'
- orient: Qt.Horizontal
+ orient: QtCore.Qt.Horizontal
rangeType: float
start: '0'
step: '0.01'
@@ -162,7 +162,7 @@ blocks:
gui_hint: 'params@1: 1,0,1,1'
label: Phase Bandwidth
min_len: '200'
- orient: Qt.Horizontal
+ orient: QtCore.Qt.Horizontal
rangeType: float
start: '0'
step: '.01'
@@ -239,7 +239,7 @@ blocks:
gui_hint: 'params@0: 0,1,1,1'
label: Timing Offset
min_len: '200'
- orient: Qt.Horizontal
+ orient: QtCore.Qt.Horizontal
rangeType: float
start: '0.999'
step: '0.0001'
@@ -260,7 +260,7 @@ blocks:
gui_hint: 'params@0: 1,1,1,1'
label: Time Bandwidth
min_len: '200'
- orient: Qt.Horizontal
+ orient: QtCore.Qt.Horizontal
rangeType: float
start: '0'
step: 10e-3
@@ -271,7 +271,7 @@ blocks:
bus_sink: false
bus_source: false
bus_structure: null
- coordinate: [640, 604.0]
+ coordinate: [1008, 548.0]
rotation: 0
state: true
- name: analog_random_source_x_0
@@ -467,6 +467,7 @@ blocks:
maxoutbuf: '0'
minoutbuf: '0'
samples_per_symbol: sps
+ truncate: 'False'
verbose: 'False'
states:
bus_sink: false
@@ -1036,6 +1037,7 @@ blocks:
minoutbuf: '0'
name: '"Channel"'
nconnections: '1'
+ norm_window: 'False'
showports: 'False'
tr_chan: '0'
tr_level: '0.0'
@@ -1054,7 +1056,7 @@ blocks:
width7: '1'
width8: '1'
width9: '1'
- wintype: firdes.WIN_BLACKMAN_hARRIS
+ wintype: window.WIN_BLACKMAN_hARRIS
ymax: '10'
ymin: '-140'
states:
diff --git a/simulation/QPSK/qpsk_nogui.grc b/simulation/QPSK/qpsk_nogui.grc
new file mode 100644
index 0000000..e27ecc7
--- /dev/null
+++ b/simulation/QPSK/qpsk_nogui.grc
@@ -0,0 +1,479 @@
+options:
+ parameters:
+ author: Naoki Pross
+ catch_exceptions: 'True'
+ category: '[GRC Hier Blocks]'
+ cmake_opt: ''
+ comment: ''
+ copyright: ''
+ description: ''
+ gen_cmake: 'On'
+ gen_linking: dynamic
+ generate_options: no_gui
+ hier_block_src_path: '.:'
+ id: qpsk_nogui
+ 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 with IMGUI
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [8, 8]
+ rotation: 0
+ state: enabled
+
+blocks:
+- name: chn_taps
+ id: variable
+ parameters:
+ comment: ''
+ value: '[1.0 + 0.0j, ]'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [672, 204.0]
+ rotation: 0
+ state: true
+- name: eq_gain
+ id: variable
+ parameters:
+ comment: ''
+ value: '.01'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [1376, 420.0]
+ rotation: 0
+ state: true
+- name: eq_mod
+ id: variable
+ parameters:
+ comment: ''
+ value: '1'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [1376, 352.0]
+ rotation: 0
+ state: true
+- name: eq_ntaps
+ id: variable
+ parameters:
+ comment: ''
+ value: '15'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [1456, 352.0]
+ 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: [352, 224.0]
+ rotation: 0
+ state: true
+- name: freq_offset
+ id: variable
+ parameters:
+ comment: ''
+ value: '0'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [768, 204.0]
+ rotation: 0
+ state: true
+- name: nfilts
+ id: variable
+ parameters:
+ comment: ''
+ value: '32'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [1040, 432.0]
+ rotation: 0
+ state: true
+- name: noise_volt
+ id: variable
+ parameters:
+ comment: ''
+ value: 100e-6
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [672, 132.0]
+ rotation: 0
+ state: true
+- name: phase_bw
+ id: variable
+ parameters:
+ comment: ''
+ value: 2 * 3.141592653589793 / 100
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [1680, 380.0]
+ 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: [256, 396.0]
+ 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: [1120, 432.0]
+ rotation: 0
+ state: true
+- name: samp_rate
+ id: variable
+ parameters:
+ comment: ''
+ value: '32000'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [184, 12]
+ rotation: 0
+ state: enabled
+- name: sps
+ id: variable
+ parameters:
+ comment: ''
+ value: '4'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [256, 224.0]
+ rotation: 0
+ state: true
+- name: time_offset
+ id: variable
+ parameters:
+ comment: ''
+ value: '1'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [768, 132.0]
+ rotation: 0
+ state: true
+- name: timing_loop_bw
+ id: variable
+ parameters:
+ comment: ''
+ value: 2 * 3.141592653589793 / 100
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [1040, 508.0]
+ 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: [64, 288.0]
+ rotation: 0
+ state: enabled
+- name: blocks_char_to_float_0
+ id: blocks_char_to_float
+ parameters:
+ affinity: ''
+ alias: ''
+ comment: ''
+ maxoutbuf: '0'
+ minoutbuf: '0'
+ scale: '1'
+ vlen: '1'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [2304, 232.0]
+ rotation: 0
+ state: true
+- name: blocks_null_sink_0
+ id: blocks_null_sink
+ parameters:
+ affinity: ''
+ alias: ''
+ bus_structure_sink: '[[0,],]'
+ comment: ''
+ num_inputs: '1'
+ type: float
+ vlen: '1'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [2504, 240.0]
+ 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: [496, 312.0]
+ rotation: 0
+ state: enabled
+- name: blocks_unpack_k_bits_bb_0
+ id: blocks_unpack_k_bits_bb
+ parameters:
+ affinity: ''
+ alias: ''
+ comment: ''
+ k: '2'
+ maxoutbuf: '0'
+ minoutbuf: '0'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [2224, 392.0]
+ rotation: 0
+ state: true
+- name: channels_channel_model_0
+ id: channels_channel_model
+ parameters:
+ affinity: ''
+ alias: ''
+ block_tags: 'False'
+ comment: ''
+ epsilon: time_offset
+ freq_offset: freq_offset
+ maxoutbuf: '0'
+ minoutbuf: '0'
+ noise_voltage: noise_volt
+ seed: '0'
+ taps: chn_taps
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [672, 272.0]
+ 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: [1376, 240.0]
+ rotation: 0
+ state: true
+- name: digital_constellation_decoder_cb_0
+ id: digital_constellation_decoder_cb
+ parameters:
+ affinity: ''
+ alias: ''
+ comment: ''
+ constellation: qpsk_const
+ maxoutbuf: '0'
+ minoutbuf: '0'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [2016, 232.0]
+ 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
+ truncate: 'False'
+ verbose: 'False'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [256, 288.0]
+ 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: [1680, 240.0]
+ rotation: 0
+ state: true
+- name: digital_diff_decoder_bb_0
+ id: digital_diff_decoder_bb
+ parameters:
+ affinity: ''
+ alias: ''
+ comment: ''
+ maxoutbuf: '0'
+ minoutbuf: '0'
+ modulus: '4'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [2016, 312.0]
+ rotation: 180
+ state: true
+- name: digital_map_bb_0
+ id: digital_map_bb
+ parameters:
+ affinity: ''
+ alias: ''
+ comment: ''
+ map: '[0, 1, 3, 2]'
+ maxoutbuf: '0'
+ minoutbuf: '0'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [2016, 392.0]
+ 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: [1040, 264.0]
+ rotation: 0
+ state: true
+
+connections:
+- [analog_random_source_x_0, '0', digital_constellation_modulator_0, '0']
+- [blocks_char_to_float_0, '0', blocks_null_sink_0, '0']
+- [blocks_throttle_0, '0', channels_channel_model_0, '0']
+- [blocks_unpack_k_bits_bb_0, '0', blocks_char_to_float_0, '0']
+- [channels_channel_model_0, '0', digital_pfb_clock_sync_xxx_0, '0']
+- [digital_cma_equalizer_cc_0, '0', digital_costas_loop_cc_0, '0']
+- [digital_constellation_decoder_cb_0, '0', digital_diff_decoder_bb_0, '0']
+- [digital_constellation_modulator_0, '0', blocks_throttle_0, '0']
+- [digital_costas_loop_cc_0, '0', digital_constellation_decoder_cb_0, '0']
+- [digital_diff_decoder_bb_0, '0', digital_map_bb_0, '0']
+- [digital_map_bb_0, '0', blocks_unpack_k_bits_bb_0, '0']
+- [digital_pfb_clock_sync_xxx_0, '0', digital_cma_equalizer_cc_0, '0']
+
+metadata:
+ file_format: 1
diff --git a/simulation/QPSK/qpsk_nogui.py b/simulation/QPSK/qpsk_nogui.py
new file mode 100755
index 0000000..d37e636
--- /dev/null
+++ b/simulation/QPSK/qpsk_nogui.py
@@ -0,0 +1,233 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+#
+# SPDX-License-Identifier: GPL-3.0
+#
+# GNU Radio Python Flow Graph
+# Title: QPSK with IMGUI
+# Author: Naoki Pross
+# GNU Radio version: 3.9.2.0
+
+from gnuradio import blocks
+import numpy
+from gnuradio import channels
+from gnuradio.filter import firdes
+from gnuradio import digital
+from gnuradio import gr
+from gnuradio.fft import window
+import sys
+import signal
+from argparse import ArgumentParser
+from gnuradio.eng_arg import eng_float, intx
+from gnuradio import eng_notation
+
+
+
+
+class qpsk_nogui(gr.top_block):
+
+ def __init__(self):
+ gr.top_block.__init__(self, "QPSK with IMGUI", catch_exceptions=True)
+
+ ##################################################
+ # 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
+ 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 = 100e-6
+ 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.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps * 1.001, timing_loop_bw, rrc_taps, nfilts, nfilts/2, 1.5, 2)
+ self.digital_map_bb_0 = digital.map_bb([0, 1, 3, 2])
+ self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(4)
+ 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,
+ truncate=False)
+ self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(qpsk_const)
+ 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_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(2)
+ self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
+ self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_float*1)
+ self.blocks_char_to_float_0 = blocks.char_to_float(1, 1)
+ self.analog_random_source_x_0 = blocks.vector_source_b(list(map(int, numpy.random.randint(0, 256, 1000))), True)
+
+
+
+ ##################################################
+ # Connections
+ ##################################################
+ self.connect((self.analog_random_source_x_0, 0), (self.digital_constellation_modulator_0, 0))
+ self.connect((self.blocks_char_to_float_0, 0), (self.blocks_null_sink_0, 0))
+ self.connect((self.blocks_throttle_0, 0), (self.channels_channel_model_0, 0))
+ self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_char_to_float_0, 0))
+ self.connect((self.channels_channel_model_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0))
+ self.connect((self.digital_cma_equalizer_cc_0, 0), (self.digital_costas_loop_cc_0, 0))
+ self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_diff_decoder_bb_0, 0))
+ self.connect((self.digital_constellation_modulator_0, 0), (self.blocks_throttle_0, 0))
+ self.connect((self.digital_costas_loop_cc_0, 0), (self.digital_constellation_decoder_cb_0, 0))
+ self.connect((self.digital_diff_decoder_bb_0, 0), (self.digital_map_bb_0, 0))
+ self.connect((self.digital_map_bb_0, 0), (self.blocks_unpack_k_bits_bb_0, 0))
+ self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_cma_equalizer_cc_0, 0))
+
+
+ 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)
+
+ 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=qpsk_nogui, options=None):
+ if gr.enable_realtime_scheduling() != gr.RT_OK:
+ print("Error: failed to enable real-time scheduling.")
+ tb = top_block_cls()
+
+ def sig_handler(sig=None, frame=None):
+ tb.stop()
+ tb.wait()
+
+ sys.exit(0)
+
+ signal.signal(signal.SIGINT, sig_handler)
+ signal.signal(signal.SIGTERM, sig_handler)
+
+ tb.start()
+
+ try:
+ input('Press Enter to quit: ')
+ except EOFError:
+ pass
+ tb.stop()
+ tb.wait()
+
+
+if __name__ == '__main__':
+ main()