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full_ofdm.py
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full_ofdm.py
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#!/usr/bin/env python
##################################################
# Gnuradio Python Flow Graph
# Title: Full Ofdm
# Generated: Tue Dec 2 18:21:27 2014
##################################################
from PyQt4 import Qt
from gnuradio import analog
from gnuradio import blocks
from gnuradio import channels
from gnuradio import digital
from gnuradio import eng_notation
from gnuradio import fft
from gnuradio import gr
from gnuradio import qtgui
from gnuradio.digital.utils import tagged_streams
from gnuradio.eng_option import eng_option
from gnuradio.fft import window
from gnuradio.filter import firdes
from optparse import OptionParser
import howto
import numpy
import random
import sip
import sys
from distutils.version import StrictVersion
class full_ofdm(gr.top_block, Qt.QWidget):
def __init__(self):
gr.top_block.__init__(self, "Full Ofdm")
Qt.QWidget.__init__(self)
self.setWindowTitle("Full Ofdm")
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", "full_ofdm")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.pilot_symbols = pilot_symbols = ((1, 1, 1, -1,),)
self.pilot_carriers = pilot_carriers = ((-21, -7, 7, 21,),)
self.payload_mod = payload_mod = digital.constellation_qpsk()
self.packet_length_tag_key = packet_length_tag_key = "packet_len"
self.occupied_carriers = occupied_carriers = (range(-26, -21) + range(-20, -7) + range(-6, 0) + range(1, 7) + range(8, 21) + range(22, 27),)
self.length_tag_key = length_tag_key = "frame_len"
self.header_mod = header_mod = digital.constellation_bpsk()
self.fft_len = fft_len = 64
self.sync_word3 = sync_word3 = [0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, -1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, -1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, -1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, -1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0]
self.sync_word2 = sync_word2 = [0, 0, 0, 0, 0, 0, -1, -1, -1, -1, 1, 1, -1, -1, -1, 1, -1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, 1, -1, -1, 1, -1, 0, 1, -1, 1, 1, 1, -1, 1, 1, 1, -1, 1, 1, 1, 1, -1, 1, -1, -1, -1, 1, -1, 1, -1, -1, -1, -1, 0, 0, 0, 0, 0]
self.sync_word1 = sync_word1 = [0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 0., 0., 0., 0., 0.]
self.samp_rate = samp_rate = 100000
self.rolloff = rolloff = 0
self.request_seq = request_seq = (1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0)
self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe(fft_len, payload_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols, 1)
self.packet_len = packet_len = 96
self.header_formatter_0 = header_formatter_0 = howto.packet_header_ofdm(occupied_carriers, n_syms=1, len_tag_key=packet_length_tag_key, frame_len_tag_key=length_tag_key, bits_per_header_sym=header_mod.bits_per_symbol(), bits_per_payload_sym=payload_mod.bits_per_symbol(), header_split=False, scramble_header=False)
self.header_formatter = header_formatter = howto.packet_header_ofdm(occupied_carriers, 1,packet_length_tag_key)
self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe(fft_len, header_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols)
self.data = data = (16,17,18,19,20,16,17,18,19,20,16,17,18,19,20,16,17,18,19,20,16,17,18,19,20,16,17,18,19,20,16,17,18,19,20,16,17,18,19,20,16,17,18,19,20,16,17,18,19,20,16,17,18,19,20,16,17,18,19,20,16,17,18,19,20,16,17,18,19,20,16,17,18,19,20,16,17,18,19,20,16,17,18,19,20,16,17,18,19,20,16,17,18,19,20,16,17,18,19,20)
self.acknowledgement_utb_seq = acknowledgement_utb_seq = (6,7,8,9,10,6,7,8,9,10,6,7,8,9,10,6,7,8,9,10,6,7,8,9,10,6,7,8,9,10,6,7,8,9,10,6,7,8,9,10,6,7,8,9,10,6,7,8,9,10,6,7,8,9,10,6,7,8,9,10,6,7,8,9,10,6,7,8,9,10,6,7,8,9,10,6,7,8,9,10,6,7,8,9,10,6,7,8,9,10,6,7,8,9,10,6,7,8,9,10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0)
self.acknowledgement_end_utb_seq = acknowledgement_end_utb_seq = (16,17,18,19,20,16,17,18,19,20,16,17,18,19,20,16,17,18,19,20,16,17,18,19,20,16,17,18,19,20,16
,17,18,19,20,16,17,18,19,20,16,17,18,19,20,16,17,18,19,20,16,17,18,19,20,16,17,18,19,20,16,17
,18,19,20,16,17,18,19,20,16,17,18,19,20,16,17,18,19,20,16,17,18,19,20,16,17,18,19,20,16,17,18
,19,20,16,17,18,19,20,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0)
self.acknowledgement_end_btu_seq = acknowledgement_end_btu_seq = (11,12,13,14,15,11,12,13,14,15,11,12,13,14,15,11,12,13,14,15,11,12,13,14,15,11,12,13,14,15,11,12,13,14,15,11,12,13,14,15,11,12,13,14,15,11,12,13,14,15,11,12,13,14,15,11,12,13,14,15,11,12,13,14,15,11,12,13,14,15,11,12,13,14,15,11,12,13,14,15,11,12,13,14,15,11,12,13,14,15,11,12,13,14,15,11,12,13,14,15,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0)
self.acknowledgement_btu_seq = acknowledgement_btu_seq = (1,2,3,4,5,1,2,3,4,5,1,2,3,4,5,1,2,3,4,5,1,2,3,4,5,1,2,3,4,5,1,2,3,4,5,1,2,3,4,5,1,2,3,4,5,1,2,3,4,5,1,2,3,4,5,1,2,3,4,5,1,2,3,4,5,1,2,3,4,5,1,2,3,4,5,1,2,3,4,5,1,2,3,4,5,1,2,3,4,5,1,2,3,4,5,1,2,3,4,5,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0)
##################################################
# Blocks
##################################################
self.qtgui_time_sink_x_0 = qtgui.time_sink_c(
1024, #size
samp_rate, #samp_rate
"Scope Plot", #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(-1, 1)
self.qtgui_time_sink_x_0.set_y_label("Amplitude", "")
self.qtgui_time_sink_x_0.enable_tags(-1, 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(True)
self.qtgui_time_sink_x_0.enable_grid(False)
labels = ["Scope Plot", "", "", "", "",
"", "", "", "", ""]
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ["blue", "red", "green", "black", "cyan",
"magenta", "yellow", "dark red", "dark green", "blue"]
styles = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1,
-1, -1, -1, -1, -1]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(2*1):
if len(labels[i]) == 0:
if(i % 2 == 0):
self.qtgui_time_sink_x_0.set_line_label(i, "Re{{Data {0}}}".format(i/2))
else:
self.qtgui_time_sink_x_0.set_line_label(i, "Im{{Data {0}}}".format(i/2))
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_layout.addWidget(self._qtgui_time_sink_x_0_win)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"FFT Plot", #name
1 #number of inputs
)
self.qtgui_freq_sink_x_0.set_update_time(0.10)
self.qtgui_freq_sink_x_0.set_y_axis(-140, 10)
self.qtgui_freq_sink_x_0.enable_autoscale(True)
self.qtgui_freq_sink_x_0.enable_grid(False)
self.qtgui_freq_sink_x_0.set_fft_average(1.0)
labels = ["", "", "", "", "",
"", "", "", "", ""]
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ["blue", "red", "green", "black", "cyan",
"magenta", "yellow", "dark red", "dark green", "dark blue"]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_freq_sink_x_0_win)
self.howto_user_device_debug_0 = howto.user_device_debug(data, 12345, packet_len, request_seq, acknowledgement_btu_seq, acknowledgement_utb_seq, acknowledgement_end_btu_seq, acknowledgement_end_utb_seq)
self.howto_sc_fdma_packet_headergenerator_bb_0 = howto.sc_fdma_packet_headergenerator_bb(header_formatter.formatter(), "packet_len")
self.howto_ofdm_serializer_vcc_0 = howto.ofdm_serializer_vcc(fft_len, length_tag_key, packet_length_tag_key, 0, "", True)
self.howto_ofdm_outer_headerparser_bb_0 = howto.ofdm_outer_headerparser_bb(fft_len, occupied_carriers)
self.howto_ofdm_frame_equalizer_vcvc_1 = howto.ofdm_frame_equalizer_vcvc(fft_len, 12345, pilot_carriers, pilot_symbols, fft_len/4, length_tag_key, True, 0)
self.howto_ofdm_chanest_vcvc_0 = howto.ofdm_chanest_vcvc((sync_word1), (sync_word2), 6, 0, 3, False)
self.howto_ofdm_carrier_allocator_cvc_0 = howto.ofdm_carrier_allocator_cvc(12, 1e-4, 1000000, 1e-11, fft_len, occupied_carriers, ((-21,-7,7,21),), ((1,1,1,-1),), (sync_word1,sync_word2), "packet_len")
self.howto_header_payload_demux_0 = howto.header_payload_demux(
8,
fft_len,
fft_len/4,
"frame_len",
"",
True,
gr.sizeof_gr_complex,
"rx_time",
samp_rate,
(),
)
self.howto_base_station_core_0 = howto.base_station_core(data, packet_len, request_seq, acknowledgement_btu_seq, acknowledgement_utb_seq, acknowledgement_end_btu_seq, acknowledgement_end_utb_seq)
self.fft_vxx_1 = fft.fft_vcc(fft_len, True, (), True, 1)
self.fft_vxx_0_0 = fft.fft_vcc(fft_len, True, (()), True, 1)
self.fft_vxx_0 = fft.fft_vcc(fft_len, False, (()), True, 1)
self.digital_ofdm_sync_sc_cfb_0 = digital.ofdm_sync_sc_cfb(fft_len, fft_len/4, False)
self.digital_ofdm_serializer_vcc_header = digital.ofdm_serializer_vcc(fft_len, occupied_carriers, length_tag_key, "", 0, "", True)
self.digital_ofdm_frame_equalizer_vcvc_0 = digital.ofdm_frame_equalizer_vcvc(header_equalizer.base(), fft_len/4, length_tag_key, True, 6)
self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer(fft_len, fft_len+fft_len/4, rolloff, packet_length_tag_key)
self.digital_crc32_bb_0_0 = digital.crc32_bb(True, packet_length_tag_key)
self.digital_crc32_bb_0 = digital.crc32_bb(False, packet_length_tag_key)
self.digital_constellation_decoder_cb_1 = digital.constellation_decoder_cb(payload_mod.base())
self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc((payload_mod.points()), 1)
self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc((header_mod.points()), 1)
self.channels_selective_fading_model_0 = channels.selective_fading_model( 8, 10.0/samp_rate, False, 4.0, 0, (0.0,0.1,1.3), (1,0.99,0.97), 64 )
self.channels_channel_model_0 = channels.channel_model(
noise_voltage=0.01,
frequency_offset=0,
epsilon=1.0,
taps=(1.0, ),
noise_seed=0,
block_tags=True
)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux(gr.sizeof_gr_complex*1, packet_length_tag_key, 0)
self.blocks_tag_gate_0 = blocks.tag_gate(gr.sizeof_gr_complex * 1, False)
self.blocks_tag_debug_1 = blocks.tag_debug(gr.sizeof_char*1, "Rx Bytes", ""); self.blocks_tag_debug_1.set_display(True)
self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb(payload_mod.bits_per_symbol(), 8, packet_length_tag_key, True)
self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(8, payload_mod.bits_per_symbol(), packet_length_tag_key, False)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((0.015625, ))
self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex*1, fft_len+fft_len/4)
self.analog_frequency_modulator_fc_0 = analog.frequency_modulator_fc(-2.0/fft_len)
##################################################
# Connections
##################################################
self.connect((self.channels_channel_model_0, 0), (self.channels_selective_fading_model_0, 0))
self.connect((self.howto_sc_fdma_packet_headergenerator_bb_0, 0), (self.digital_chunks_to_symbols_xx_0, 0))
self.connect((self.howto_base_station_core_0, 0), (self.digital_crc32_bb_0, 0))
self.connect((self.digital_crc32_bb_0, 0), (self.blocks_repack_bits_bb_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_0_0, 0), (self.blocks_tagged_stream_mux_0, 1))
self.connect((self.blocks_repack_bits_bb_0, 0), (self.digital_chunks_to_symbols_xx_0_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_0, 0), (self.blocks_tagged_stream_mux_0, 0))
self.connect((self.fft_vxx_0, 0), (self.digital_ofdm_cyclic_prefixer_0, 0))
self.connect((self.blocks_tag_gate_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.digital_ofdm_cyclic_prefixer_0, 0), (self.blocks_tag_gate_0, 0))
self.connect((self.howto_ofdm_carrier_allocator_cvc_0, 0), (self.fft_vxx_0, 0))
self.connect((self.blocks_tagged_stream_mux_0, 0), (self.howto_ofdm_carrier_allocator_cvc_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.channels_channel_model_0, 0))
self.connect((self.howto_header_payload_demux_0, 1), (self.fft_vxx_1, 0))
self.connect((self.fft_vxx_0_0, 0), (self.howto_ofdm_chanest_vcvc_0, 0))
self.connect((self.howto_header_payload_demux_0, 0), (self.fft_vxx_0_0, 0))
self.connect((self.channels_selective_fading_model_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.blocks_delay_0, 0))
self.connect((self.blocks_multiply_xx_0, 0), (self.howto_header_payload_demux_0, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 0), (self.analog_frequency_modulator_fc_0, 0))
self.connect((self.blocks_delay_0, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.analog_frequency_modulator_fc_0, 0), (self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.digital_ofdm_sync_sc_cfb_0, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 1), (self.howto_header_payload_demux_0, 1))
self.connect((self.fft_vxx_1, 0), (self.howto_ofdm_frame_equalizer_vcvc_1, 0))
self.connect((self.howto_ofdm_frame_equalizer_vcvc_1, 0), (self.howto_ofdm_serializer_vcc_0, 0))
self.connect((self.digital_ofdm_serializer_vcc_header, 0), (self.howto_ofdm_outer_headerparser_bb_0, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_0, 0), (self.digital_ofdm_serializer_vcc_header, 0))
self.connect((self.howto_ofdm_chanest_vcvc_0, 0), (self.digital_ofdm_frame_equalizer_vcvc_0, 0))
self.connect((self.digital_constellation_decoder_cb_1, 0), (self.blocks_repack_bits_bb_0_0, 0))
self.connect((self.howto_ofdm_serializer_vcc_0, 0), (self.digital_constellation_decoder_cb_1, 0))
self.connect((self.blocks_repack_bits_bb_0_0, 0), (self.digital_crc32_bb_0_0, 0))
self.connect((self.digital_crc32_bb_0, 0), (self.howto_sc_fdma_packet_headergenerator_bb_0, 0))
self.connect((self.howto_user_device_debug_0, 0), (self.howto_base_station_core_0, 0))
self.connect((self.digital_crc32_bb_0_0, 0), (self.blocks_tag_debug_1, 0))
self.connect((self.channels_selective_fading_model_0, 0), (self.qtgui_time_sink_x_0, 0))
self.connect((self.channels_selective_fading_model_0, 0), (self.qtgui_freq_sink_x_0, 0))
##################################################
# Asynch Message Connections
##################################################
self.msg_connect(self.howto_ofdm_outer_headerparser_bb_0, "header_data", self.howto_header_payload_demux_0, "header_data")
def closeEvent(self, event):
self.settings = Qt.QSettings("GNU Radio", "full_ofdm")
self.settings.setValue("geometry", self.saveGeometry())
event.accept()
def get_pilot_symbols(self):
return self.pilot_symbols
def set_pilot_symbols(self, pilot_symbols):
self.pilot_symbols = pilot_symbols
self.set_header_equalizer(digital.ofdm_equalizer_simpledfe(self.fft_len, self.header_mod.base(), self.occupied_carriers, self.pilot_carriers, self.pilot_symbols))
self.set_payload_equalizer(digital.ofdm_equalizer_simpledfe(self.fft_len, self.payload_mod.base(), self.occupied_carriers, self.pilot_carriers, self.pilot_symbols, 1))
def get_pilot_carriers(self):
return self.pilot_carriers
def set_pilot_carriers(self, pilot_carriers):
self.pilot_carriers = pilot_carriers
self.set_header_equalizer(digital.ofdm_equalizer_simpledfe(self.fft_len, self.header_mod.base(), self.occupied_carriers, self.pilot_carriers, self.pilot_symbols))
self.set_payload_equalizer(digital.ofdm_equalizer_simpledfe(self.fft_len, self.payload_mod.base(), self.occupied_carriers, self.pilot_carriers, self.pilot_symbols, 1))
def get_payload_mod(self):
return self.payload_mod
def set_payload_mod(self, payload_mod):
self.payload_mod = payload_mod
self.set_header_formatter_0(howto.packet_header_ofdm(self.occupied_carriers, n_syms=1, len_tag_key=self.packet_length_tag_key, frame_len_tag_key=self.length_tag_key, bits_per_header_sym=self.header_mod.bits_per_symbol(), bits_per_payload_sym=self.payload_mod.bits_per_symbol(), header_split=False, scramble_header=False))
self.set_payload_equalizer(digital.ofdm_equalizer_simpledfe(self.fft_len, self.payload_mod.base(), self.occupied_carriers, self.pilot_carriers, self.pilot_symbols, 1))
def get_packet_length_tag_key(self):
return self.packet_length_tag_key
def set_packet_length_tag_key(self, packet_length_tag_key):
self.packet_length_tag_key = packet_length_tag_key
self.set_header_formatter_0(howto.packet_header_ofdm(self.occupied_carriers, n_syms=1, len_tag_key=self.packet_length_tag_key, frame_len_tag_key=self.length_tag_key, bits_per_header_sym=self.header_mod.bits_per_symbol(), bits_per_payload_sym=self.payload_mod.bits_per_symbol(), header_split=False, scramble_header=False))
self.set_header_formatter(howto.packet_header_ofdm(self.occupied_carriers, 1,self.packet_length_tag_key))
def get_occupied_carriers(self):
return self.occupied_carriers
def set_occupied_carriers(self, occupied_carriers):
self.occupied_carriers = occupied_carriers
self.set_header_formatter_0(howto.packet_header_ofdm(self.occupied_carriers, n_syms=1, len_tag_key=self.packet_length_tag_key, frame_len_tag_key=self.length_tag_key, bits_per_header_sym=self.header_mod.bits_per_symbol(), bits_per_payload_sym=self.payload_mod.bits_per_symbol(), header_split=False, scramble_header=False))
self.set_header_equalizer(digital.ofdm_equalizer_simpledfe(self.fft_len, self.header_mod.base(), self.occupied_carriers, self.pilot_carriers, self.pilot_symbols))
self.set_header_formatter(howto.packet_header_ofdm(self.occupied_carriers, 1,self.packet_length_tag_key))
self.set_payload_equalizer(digital.ofdm_equalizer_simpledfe(self.fft_len, self.payload_mod.base(), self.occupied_carriers, self.pilot_carriers, self.pilot_symbols, 1))
def get_length_tag_key(self):
return self.length_tag_key
def set_length_tag_key(self, length_tag_key):
self.length_tag_key = length_tag_key
self.set_header_formatter_0(howto.packet_header_ofdm(self.occupied_carriers, n_syms=1, len_tag_key=self.packet_length_tag_key, frame_len_tag_key=self.length_tag_key, bits_per_header_sym=self.header_mod.bits_per_symbol(), bits_per_payload_sym=self.payload_mod.bits_per_symbol(), header_split=False, scramble_header=False))
def get_header_mod(self):
return self.header_mod
def set_header_mod(self, header_mod):
self.header_mod = header_mod
self.set_header_formatter_0(howto.packet_header_ofdm(self.occupied_carriers, n_syms=1, len_tag_key=self.packet_length_tag_key, frame_len_tag_key=self.length_tag_key, bits_per_header_sym=self.header_mod.bits_per_symbol(), bits_per_payload_sym=self.payload_mod.bits_per_symbol(), header_split=False, scramble_header=False))
self.set_header_equalizer(digital.ofdm_equalizer_simpledfe(self.fft_len, self.header_mod.base(), self.occupied_carriers, self.pilot_carriers, self.pilot_symbols))
def get_fft_len(self):
return self.fft_len
def set_fft_len(self, fft_len):
self.fft_len = fft_len
self.set_header_equalizer(digital.ofdm_equalizer_simpledfe(self.fft_len, self.header_mod.base(), self.occupied_carriers, self.pilot_carriers, self.pilot_symbols))
self.set_payload_equalizer(digital.ofdm_equalizer_simpledfe(self.fft_len, self.payload_mod.base(), self.occupied_carriers, self.pilot_carriers, self.pilot_symbols, 1))
self.analog_frequency_modulator_fc_0.set_sensitivity(-2.0/self.fft_len)
self.blocks_delay_0.set_dly(self.fft_len+self.fft_len/4)
def get_sync_word3(self):
return self.sync_word3
def set_sync_word3(self, sync_word3):
self.sync_word3 = sync_word3
def get_sync_word2(self):
return self.sync_word2
def set_sync_word2(self, sync_word2):
self.sync_word2 = sync_word2
def get_sync_word1(self):
return self.sync_word1
def set_sync_word1(self, sync_word1):
self.sync_word1 = sync_word1
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.qtgui_freq_sink_x_0.set_frequency_range(0, self.samp_rate)
self.channels_selective_fading_model_0.set_fDTs(10.0/self.samp_rate)
def get_rolloff(self):
return self.rolloff
def set_rolloff(self, rolloff):
self.rolloff = rolloff
def get_request_seq(self):
return self.request_seq
def set_request_seq(self, request_seq):
self.request_seq = request_seq
def get_payload_equalizer(self):
return self.payload_equalizer
def set_payload_equalizer(self, payload_equalizer):
self.payload_equalizer = payload_equalizer
def get_packet_len(self):
return self.packet_len
def set_packet_len(self, packet_len):
self.packet_len = packet_len
def get_header_formatter_0(self):
return self.header_formatter_0
def set_header_formatter_0(self, header_formatter_0):
self.header_formatter_0 = header_formatter_0
def get_header_formatter(self):
return self.header_formatter
def set_header_formatter(self, header_formatter):
self.header_formatter = header_formatter
def get_header_equalizer(self):
return self.header_equalizer
def set_header_equalizer(self, header_equalizer):
self.header_equalizer = header_equalizer
def get_data(self):
return self.data
def set_data(self, data):
self.data = data
def get_acknowledgement_utb_seq(self):
return self.acknowledgement_utb_seq
def set_acknowledgement_utb_seq(self, acknowledgement_utb_seq):
self.acknowledgement_utb_seq = acknowledgement_utb_seq
def get_acknowledgement_end_utb_seq(self):
return self.acknowledgement_end_utb_seq
def set_acknowledgement_end_utb_seq(self, acknowledgement_end_utb_seq):
self.acknowledgement_end_utb_seq = acknowledgement_end_utb_seq
def get_acknowledgement_end_btu_seq(self):
return self.acknowledgement_end_btu_seq
def set_acknowledgement_end_btu_seq(self, acknowledgement_end_btu_seq):
self.acknowledgement_end_btu_seq = acknowledgement_end_btu_seq
def get_acknowledgement_btu_seq(self):
return self.acknowledgement_btu_seq
def set_acknowledgement_btu_seq(self, acknowledgement_btu_seq):
self.acknowledgement_btu_seq = acknowledgement_btu_seq
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()"
parser = OptionParser(option_class=eng_option, usage="%prog: [options]")
(options, args) = parser.parse_args()
if(StrictVersion(Qt.qVersion()) >= StrictVersion("4.5.0")):
Qt.QApplication.setGraphicsSystem(gr.prefs().get_string('qtgui','style','raster'))
qapp = Qt.QApplication(sys.argv)
tb = full_ofdm()
tb.start()
tb.show()
def quitting():
tb.stop()
tb.wait()
qapp.connect(qapp, Qt.SIGNAL("aboutToQuit()"), quitting)
qapp.exec_()
tb = None #to clean up Qt widgets