def test_add_vcc_five(self): src1_data = (1.0+2.0j, 3.0+4.0j, 5.0+6.0j, 7.0+8.0j, 9.0+10.0j) src2_data = (11.0+12.0j, 13.0+14.0j, 15.0+16.0j, 17.0+18.0j, 19.0+20.0j) src3_data = (21.0+22.0j, 23.0+24.0j, 25.0+26.0j, 27.0+28.0j, 29.0+30.0j) expected_result = (33.0+36.0j, 39.0+42.0j, 45.0+48.0j, 51.0+54.0j, 57.0+60.0j) op = gr.add_vcc(5) self.help_cc(5, (src1_data, src2_data, src3_data), expected_result, op)
def test_add_vcc_one(self): src1_data = (1.0+2.0j,) src2_data = (3.0+4.0j,) src3_data = (5.0+6.0j,) expected_result = (9.0+12j,) op = gr.add_vcc(1) self.help_cc(1, (src1_data, src2_data, src3_data), expected_result, op)
def __init__(self, dBm, pfa, pfd, nTrials):
gr.top_block.__init__(self)
# Constants
samp_rate = 2.4e6
fft_size = 4096
samples_per_band = 16
tcme = 1.9528
output_pfa = True
debug_stats = False
histogram = False
primary_user_location = 0
useless_bw = 200000.0
src_data = [0+0j]*fft_size*nTrials
voltage = self.powerToAmplitude(dBm);
# Blocks
src = gr.vector_source_c(src_data)
noise = gr.noise_source_c(gr.GR_GAUSSIAN, voltage, 42)
add = gr.add_vcc()
s2v = gr.stream_to_vector(gr.sizeof_gr_complex, fft_size)
fftb = fft.fft_vcc(fft_size, True, (window.blackmanharris(1024)), False, 1)
ss = howto.spectrum_sensing_cf(samp_rate,fft_size,samples_per_band,pfd,pfa,tcme,output_pfa,debug_stats,primary_user_location,useless_bw,histogram)
self.sink = gr.vector_sink_f()
# Connections
self.connect(src, add, s2v, fftb, ss, self.sink)
self.connect(noise, (add, 1))
def test_add_vcc_one(self):
src1_data = (1.0 + 2.0j, )
src2_data = (3.0 + 4.0j, )
src3_data = (5.0 + 6.0j, )
expected_result = (9.0 + 12j, )
op = gr.add_vcc(1)
self.help_cc(1, (src1_data, src2_data, src3_data), expected_result, op)
def __init__(self, noise_ampl=0):
"""
Parameters:
noise_ampl: float
"""
gr.hier_block2.__init__(
self, "Additive White Gaussian Noise Generator",
gr.io_signature(1, 1, gr.sizeof_gr_complex),
gr.io_signature(1, 1, gr.sizeof_gr_complex),
)
##################################################
# Parameters
##################################################
self.noise_ampl = noise_ampl
##################################################
# Blocks
##################################################
self.gr_noise_source_x_0 = gr.noise_source_c(gr.GR_GAUSSIAN,
noise_ampl, 42)
self.gr_add_xx_0 = gr.add_vcc(1)
##################################################
# Connections
##################################################
self.connect((self, 0), (self.gr_add_xx_0, 0))
self.connect((self.gr_noise_source_x_0, 0), (self.gr_add_xx_0, 1))
self.connect((self.gr_add_xx_0, 0), (self, 0))
def test_add_vcc_five(self):
src1_data = (1.0 + 2.0j, 3.0 + 4.0j, 5.0 + 6.0j, 7.0 + 8.0j,
9.0 + 10.0j)
src2_data = (11.0 + 12.0j, 13.0 + 14.0j, 15.0 + 16.0j, 17.0 + 18.0j,
19.0 + 20.0j)
src3_data = (21.0 + 22.0j, 23.0 + 24.0j, 25.0 + 26.0j, 27.0 + 28.0j,
29.0 + 30.0j)
expected_result = (33.0 + 36.0j, 39.0 + 42.0j, 45.0 + 48.0j,
51.0 + 54.0j, 57.0 + 60.0j)
op = gr.add_vcc(5)
self.help_cc(5, (src1_data, src2_data, src3_data), expected_result, op)
def __init__(self, seed,fD,chan_pwrs,path_delays,flag_indep=False,flag_norm=True,flag_fadeEnable=False):
gr.hier_block2.__init__(self,
"multipath_rayleigh_cc",
gr.io_signature(1, 1, gr.sizeof_gr_complex*1), # Input signature
gr.io_signature(1, 1, gr.sizeof_gr_complex*1)) # Output signature
##################################################
# Parameters
##################################################
self.fD = fD #Doppler Bandwidth = fd*(1.0/chan_rate)
self.chan_pwrs = chan_pwrs
self.path_delays_samples = path_delays
self.chan_seed = seed
self.mode = flag_fadeEnable #Enables fading for underlaying single path fading block
# Checks that there is the same number of delays as there are powers.
if len(self.chan_pwrs) != len(self.path_delays_us):
raise ValueError, "The vector length of chan_pwrs does not match the vector length of path_delays."
# Could this be improved?
sys.exit(1)
self.c2f_blks = [] # for list of gr.complex_to_float().
self.delay_blks = [] # for list of gr.filter_delay_fc ().
self.chan_blks = [] # for list of tait.flat_rayleigh_channel_cc().
# Normalizes the channel powers if required
if flag_norm is True:
self.chan_pwrs = 1.0*np.array(chan_pwrs)/np.sqrt((chan_pwrs ** 2).sum(-1))
# Populate the lists above with the correct number of blocks.
for i in range (len(self.path_delays_samples)):
print "create delay block %d" %(i)
# Delay block is required.
self.delay_blks.append(gr.delay(gr.sizeof_gr_complex*1, int(self.path_delays_samples[i])))
self.chan_blks.append(rccBlocks.rayleighChan_cc(chan_seed + i, self.fD, self.chan_pwrs[i], flag_indep,self.mode))
self.sum = gr.add_vcc(1)
# Create multiple instances of the "src -> delay -> channel" connection.
for i in range (len(self.chan_blks)):
print i
self.connect( (self,0), (self.chan_blks[i],0) )
self.connect( (self.chan_blks[i],0), (self.delay_blks[i],0) )
self.connect( (self.delay_blks[i],0), (self.sum, i) )
#self.connect( (self,0), (self.chan_blks[0],0) )
#self.connect( (self.chan_blks[0],0), (self.delay_blks[0],0) )
#self.connect( (self.delay_blks[0],0), (self, 0) )
self.connect((self.sum, 0), (self,0) )
def __init__(self): grc_wxgui.top_block_gui.__init__(self, title="Top Block") _icon_path = "/home/pfb/.local/share/icons/hicolor/32x32/apps/gnuradio-grc.png" self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY)) ################################################## # Variables ################################################## self.samp_rate = samp_rate = 16000000 ################################################## # Blocks ################################################## self.M_Sequence = gr.vector_source_f((-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, 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, -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, 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, 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, -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, -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, -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, -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, 1, -1, 1, 1, -1, 1, -1, 1, 1, -1, 1, -1, -1, 1, 1, 1, 1, 1, 1, 1, 1), True, 1) self.M_Sequence_Baseband_Modulator = blks2.dbpsk_mod( samples_per_symbol=2, excess_bw=0.35, gray_code=False, verbose=False, log=False, ) self.blks2_dxpsk_mod_0 = blks2.dbpsk_mod( samples_per_symbol=2, excess_bw=0.35, gray_code=True, verbose=False, log=False, ) self.gr_add_xx_0 = gr.add_vcc(1) self.gr_delay_0 = gr.delay(gr.sizeof_char*1, 16) self.gr_file_sink_0 = gr.file_sink(gr.sizeof_gr_complex*1, "../M_Sequence_Baseband.cmplx") self.gr_float_to_char_0 = gr.float_to_char() self.gr_multiply_const_vxx_0 = gr.multiply_const_vcc((0, )) self.gr_throttle_0 = gr.throttle(gr.sizeof_gr_complex*1, samp_rate) ################################################## # Connections ################################################## self.connect((self.gr_throttle_0, 0), (self.gr_file_sink_0, 0)) self.connect((self.gr_delay_0, 0), (self.blks2_dxpsk_mod_0, 0)) self.connect((self.blks2_dxpsk_mod_0, 0), (self.gr_multiply_const_vxx_0, 0)) self.connect((self.gr_multiply_const_vxx_0, 0), (self.gr_add_xx_0, 1)) self.connect((self.M_Sequence_Baseband_Modulator, 0), (self.gr_add_xx_0, 0)) self.connect((self.gr_add_xx_0, 0), (self.gr_throttle_0, 0)) self.connect((self.M_Sequence, 0), (self.gr_float_to_char_0, 0)) self.connect((self.gr_float_to_char_0, 0), (self.M_Sequence_Baseband_Modulator, 0)) self.connect((self.gr_float_to_char_0, 0), (self.gr_delay_0, 0))
def __init__(self, EbN0):
gr.top_block.__init__(self)
self.const = digital.qpsk_constellation()
# Source is N_BITS bits, non-repeated
data = map(int, numpy.random.randint(0, self.const.arity(), N_BITS/self.const.bits_per_symbol()))
src = gr.vector_source_b(data, False)
mod = gr.chunks_to_symbols_bc((self.const.points()), 1)
add = gr.add_vcc()
noise = gr.noise_source_c(gr.GR_GAUSSIAN,
self.EbN0_to_noise_voltage(EbN0),
RAND_SEED)
demod = digital.constellation_decoder_cb(self.const.base())
ber = BitErrors(self.const.bits_per_symbol())
self.sink = gr.vector_sink_f()
self.connect(src, mod, add, demod, ber, self.sink)
self.connect(noise, (add, 1))
self.connect(src, (ber, 1))
def __init__(self, EbN0):
gr.top_block.__init__(self)
self.const = digital.qpsk_constellation()
# Source is N_BITS bits, non-repeated
data = map(
int,
numpy.random.randint(0, self.const.arity(),
N_BITS / self.const.bits_per_symbol()))
src = gr.vector_source_b(data, False)
mod = gr.chunks_to_symbols_bc((self.const.points()), 1)
add = gr.add_vcc()
noise = gr.noise_source_c(gr.GR_GAUSSIAN,
self.EbN0_to_noise_voltage(EbN0), RAND_SEED)
demod = digital.constellation_decoder_cb(self.const.base())
ber = BitErrors(self.const.bits_per_symbol())
self.sink = gr.vector_sink_f()
self.connect(src, mod, add, demod, ber, self.sink)
self.connect(noise, (add, 1))
self.connect(src, (ber, 1))
def __init__( self, snr_db, sigpow = 1.0, vlen = 1 ):
gr.hier_block2.__init__( self,
"awgn_channel",
gr.io_signature( 1, 1, gr.sizeof_gr_complex * vlen ),
gr.io_signature( 1, 1, gr.sizeof_gr_complex * vlen ) )
snr = 10.0**(snr_db/10.0)
noise_pow = float(sigpow) / snr
noise_src = ofdm.complex_white_noise( 0.0, sqrt( noise_pow ) )
if vlen > 1:
channel = gr.add_vcc( vlen )
else:
channel = gr.add_cc()
self.connect( self, channel, self )
if vlen > 1:
self.connect( noise_src, gr.stream_to_vector( gr.sizeof_gr_complex, vlen),
( channel, 1) )
else:
self.connect( noise_src, ( channel, 1 ) )
def __init__(self):
gr.top_block.__init__(self, "Simple QAM Simulation")
Qt.QWidget.__init__(self)
self.setWindowTitle("Simple QAM Simulation")
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
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)
##################################################
# Variables
##################################################
self.constellation_cardinality = constellation_cardinality = 16
self.const_object = const_object = constellations()['qam'](
constellation_cardinality)
self.snr_db = snr_db = 20
self.constellation = constellation = const_object.points()
self.sps = sps = 8
self.samp_rate = samp_rate = 250000
self.noise_amp = noise_amp = sqrt((10**(-snr_db / 10.)) / 2.)
self.constellation_power = constellation_power = sqrt(
sum([abs(i)**2
for i in constellation]) / constellation_cardinality)
##################################################
# Blocks
##################################################
self.tabid_0 = Qt.QTabWidget()
self.tabid_0_widget_0 = Qt.QWidget()
self.tabid_0_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.tabid_0_widget_0)
self.tabid_0_grid_layout_0 = Qt.QGridLayout()
self.tabid_0_layout_0.addLayout(self.tabid_0_grid_layout_0)
self.tabid_0.addTab(self.tabid_0_widget_0, "TX")
self.tabid_0_widget_1 = Qt.QWidget()
self.tabid_0_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.tabid_0_widget_1)
self.tabid_0_grid_layout_1 = Qt.QGridLayout()
self.tabid_0_layout_1.addLayout(self.tabid_0_grid_layout_1)
self.tabid_0.addTab(self.tabid_0_widget_1, "CHANNEL")
self.tabid_0_widget_2 = Qt.QWidget()
self.tabid_0_layout_2 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.tabid_0_widget_2)
self.tabid_0_grid_layout_2 = Qt.QGridLayout()
self.tabid_0_layout_2.addLayout(self.tabid_0_grid_layout_2)
self.tabid_0.addTab(self.tabid_0_widget_2, "RX")
self.top_grid_layout.addWidget(self.tabid_0, 30, 0, 10, 100)
self.tabid_2 = Qt.QTabWidget()
self.tabid_2_widget_0 = Qt.QWidget()
self.tabid_2_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.tabid_2_widget_0)
self.tabid_2_grid_layout_0 = Qt.QGridLayout()
self.tabid_2_layout_0.addLayout(self.tabid_2_grid_layout_0)
self.tabid_2.addTab(self.tabid_2_widget_0, "symbol-based")
self.tabid_2_widget_1 = Qt.QWidget()
self.tabid_2_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.tabid_2_widget_1)
self.tabid_2_grid_layout_1 = Qt.QGridLayout()
self.tabid_2_layout_1.addLayout(self.tabid_2_grid_layout_1)
self.tabid_2.addTab(self.tabid_2_widget_1, "bit-based")
self.tabid_2_widget_2 = Qt.QWidget()
self.tabid_2_layout_2 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.tabid_2_widget_2)
self.tabid_2_grid_layout_2 = Qt.QGridLayout()
self.tabid_2_layout_2.addLayout(self.tabid_2_grid_layout_2)
self.tabid_2.addTab(self.tabid_2_widget_2, "BER")
self.tabid_0_layout_2.addWidget(self.tabid_2)
self.tabid_1 = Qt.QTabWidget()
self.tabid_1_widget_0 = Qt.QWidget()
self.tabid_1_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.tabid_1_widget_0)
self.tabid_1_grid_layout_0 = Qt.QGridLayout()
self.tabid_1_layout_0.addLayout(self.tabid_1_grid_layout_0)
self.tabid_1.addTab(self.tabid_1_widget_0, "bit-based")
self.tabid_1_widget_1 = Qt.QWidget()
self.tabid_1_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.tabid_1_widget_1)
self.tabid_1_grid_layout_1 = Qt.QGridLayout()
self.tabid_1_layout_1.addLayout(self.tabid_1_grid_layout_1)
self.tabid_1.addTab(self.tabid_1_widget_1, "scrambled")
self.tabid_1_widget_2 = Qt.QWidget()
self.tabid_1_layout_2 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.tabid_1_widget_2)
self.tabid_1_grid_layout_2 = Qt.QGridLayout()
self.tabid_1_layout_2.addLayout(self.tabid_1_grid_layout_2)
self.tabid_1.addTab(self.tabid_1_widget_2, "symbol-based")
self.tabid_0_grid_layout_0.addWidget(self.tabid_1, 0, 0, 10, 10)
self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
1024, #size
samp_rate, #bw
"QT GUI Plot", #name
1 #number of inputs
)
self._qtgui_time_sink_x_0_win = sip.wrapinstance(
self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
self.tabid_2_layout_2.addWidget(self._qtgui_time_sink_x_0_win)
self.qtgui_sink_x_0_1_0_0 = qtgui.sink_f(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
False, #plotfreq
False, #plotwaterfall
True, #plottime
True, #plotconst
)
self._qtgui_sink_x_0_1_0_0_win = sip.wrapinstance(
self.qtgui_sink_x_0_1_0_0.pyqwidget(), Qt.QWidget)
self.tabid_1_layout_0.addWidget(self._qtgui_sink_x_0_1_0_0_win)
self.qtgui_sink_x_0_1_0 = qtgui.sink_f(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
True, #plotfreq
False, #plotwaterfall
True, #plottime
True, #plotconst
)
self._qtgui_sink_x_0_1_0_win = sip.wrapinstance(
self.qtgui_sink_x_0_1_0.pyqwidget(), Qt.QWidget)
self.tabid_1_layout_1.addWidget(self._qtgui_sink_x_0_1_0_win)
self.qtgui_sink_x_0_1 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
False, #plotfreq
False, #plotwaterfall
True, #plottime
True, #plotconst
)
self._qtgui_sink_x_0_1_win = sip.wrapinstance(
self.qtgui_sink_x_0_1.pyqwidget(), Qt.QWidget)
self.tabid_1_layout_2.addWidget(self._qtgui_sink_x_0_1_win)
self.qtgui_sink_x_0_0_0_0 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
True, #plotfreq
False, #plotwaterfall
True, #plottime
True, #plotconst
)
self._qtgui_sink_x_0_0_0_0_win = sip.wrapinstance(
self.qtgui_sink_x_0_0_0_0.pyqwidget(), Qt.QWidget)
self.tabid_2_layout_0.addWidget(self._qtgui_sink_x_0_0_0_0_win)
self.qtgui_sink_x_0_0_0 = qtgui.sink_f(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
False, #plotfreq
False, #plotwaterfall
True, #plottime
True, #plotconst
)
self._qtgui_sink_x_0_0_0_win = sip.wrapinstance(
self.qtgui_sink_x_0_0_0.pyqwidget(), Qt.QWidget)
self.tabid_2_layout_1.addWidget(self._qtgui_sink_x_0_0_0_win)
self.qtgui_sink_x_0_0 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
True, #plotfreq
False, #plotwaterfall
True, #plottime
False, #plotconst
)
self._qtgui_sink_x_0_0_win = sip.wrapinstance(
self.qtgui_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.tabid_0_layout_1.addWidget(self._qtgui_sink_x_0_0_win)
self.gr_vector_source_x_0_0 = gr.vector_source_b(([1, 0]), True, 1)
self.gr_vector_source_x_0 = gr.vector_source_b(([1, 0]), True, 1)
self.gr_unpack_k_bits_bb_0 = gr.unpack_k_bits_bb(
int(log2(constellation_cardinality)))
self.gr_throttle_0 = gr.throttle(gr.sizeof_gr_complex * 1, samp_rate)
self.gr_pack_k_bits_bb_0 = gr.pack_k_bits_bb(
int(log2(constellation_cardinality)))
self.gr_null_sink_0 = gr.null_sink(gr.sizeof_char * 1)
self.gr_noise_source_x_0 = gr.noise_source_c(gr.GR_GAUSSIAN, noise_amp,
0)
self.gr_nlog10_ff_0 = gr.nlog10_ff(1, 1, 0)
self.gr_multiply_const_vxx_0_0 = gr.multiply_const_vcc(
(1. / constellation_power, ))
self.gr_multiply_const_vxx_0 = gr.multiply_const_vcc(
(constellation_power, ))
self.gr_file_sink_0_1_0 = gr.file_sink(gr.sizeof_gr_complex * 1,
"rx_sym.32fc")
self.gr_file_sink_0_1_0.set_unbuffered(False)
self.gr_file_sink_0_1 = gr.file_sink(gr.sizeof_gr_complex * 1,
"tx_sym.32fc")
self.gr_file_sink_0_1.set_unbuffered(False)
self.gr_file_sink_0_0 = gr.file_sink(gr.sizeof_char * 1, "rx.8b")
self.gr_file_sink_0_0.set_unbuffered(False)
self.gr_file_sink_0 = gr.file_sink(gr.sizeof_char * 1, "tx.8b")
self.gr_file_sink_0.set_unbuffered(False)
self.gr_descrambler_bb_0 = gr.descrambler_bb(0xe4001, 0x7ffff, 19)
self.gr_char_to_float_1_0 = gr.char_to_float(1, 1)
self.gr_char_to_float_1 = gr.char_to_float(1, 1)
self.gr_char_to_float_0 = gr.char_to_float(1, 1)
self.gr_add_xx_0 = gr.add_vcc(1)
self.digital_scrambler_bb_0 = digital.scrambler_bb(
0xe4001, 0x7fffF, 19)
self.digital_constellation_receiver_cb_0 = digital.constellation_receiver_cb(
const_object.base(), 6.28 / 100, -0.25, +0.25)
self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc(
(constellation), 1)
self.blks2_error_rate_0 = grc_blks2.error_rate(
type='BER',
win_size=samp_rate,
bits_per_symbol=1,
)
##################################################
# Connections
##################################################
self.connect((self.gr_vector_source_x_0, 0),
(self.digital_scrambler_bb_0, 0))
self.connect((self.digital_scrambler_bb_0, 0),
(self.gr_pack_k_bits_bb_0, 0))
self.connect((self.gr_pack_k_bits_bb_0, 0),
(self.digital_chunks_to_symbols_xx_0, 0))
self.connect((self.digital_constellation_receiver_cb_0, 0),
(self.gr_file_sink_0_0, 0))
self.connect((self.digital_constellation_receiver_cb_0, 0),
(self.gr_unpack_k_bits_bb_0, 0))
self.connect((self.gr_unpack_k_bits_bb_0, 0),
(self.gr_descrambler_bb_0, 0))
self.connect((self.gr_descrambler_bb_0, 0), (self.gr_null_sink_0, 0))
self.connect((self.gr_multiply_const_vxx_0, 0),
(self.digital_constellation_receiver_cb_0, 0))
self.connect((self.gr_descrambler_bb_0, 0),
(self.gr_char_to_float_0, 0))
self.connect((self.gr_char_to_float_0, 0),
(self.qtgui_sink_x_0_0_0, 0))
self.connect((self.gr_add_xx_0, 0), (self.gr_throttle_0, 0))
self.connect((self.gr_noise_source_x_0, 0), (self.gr_add_xx_0, 1))
self.connect((self.digital_chunks_to_symbols_xx_0, 0),
(self.gr_multiply_const_vxx_0_0, 0))
self.connect((self.gr_multiply_const_vxx_0_0, 0),
(self.gr_file_sink_0_1, 0))
self.connect((self.gr_multiply_const_vxx_0_0, 0),
(self.qtgui_sink_x_0_1, 0))
self.connect((self.gr_char_to_float_1, 0),
(self.qtgui_sink_x_0_1_0, 0))
self.connect((self.gr_pack_k_bits_bb_0, 0),
(self.gr_char_to_float_1, 0))
self.connect((self.gr_pack_k_bits_bb_0, 0), (self.gr_file_sink_0, 0))
self.connect((self.gr_char_to_float_1_0, 0),
(self.qtgui_sink_x_0_1_0_0, 0))
self.connect((self.gr_vector_source_x_0, 0),
(self.gr_char_to_float_1_0, 0))
self.connect((self.gr_multiply_const_vxx_0_0, 0),
(self.gr_add_xx_0, 0))
self.connect((self.gr_add_xx_0, 0), (self.qtgui_sink_x_0_0, 0))
self.connect((self.gr_throttle_0, 0),
(self.gr_multiply_const_vxx_0, 0))
self.connect((self.gr_throttle_0, 0), (self.gr_file_sink_0_1_0, 0))
self.connect((self.gr_throttle_0, 0), (self.qtgui_sink_x_0_0_0_0, 0))
self.connect((self.gr_nlog10_ff_0, 0), (self.qtgui_time_sink_x_0, 0))
self.connect((self.blks2_error_rate_0, 0), (self.gr_nlog10_ff_0, 0))
self.connect((self.gr_vector_source_x_0_0, 0),
(self.blks2_error_rate_0, 0))
self.connect((self.gr_descrambler_bb_0, 0),
(self.blks2_error_rate_0, 1))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="DVB Simulator (GMSK)")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Variables
##################################################
self.signal = signal = 1
self.samp_rate = samp_rate = 32000
self.noise = noise = 10
##################################################
# Blocks
##################################################
_signal_sizer = wx.BoxSizer(wx.VERTICAL)
self._signal_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_signal_sizer,
value=self.signal,
callback=self.set_signal,
label="Signal",
converter=forms.float_converter(),
proportion=0,
)
self._signal_slider = forms.slider(
parent=self.GetWin(),
sizer=_signal_sizer,
value=self.signal,
callback=self.set_signal,
minimum=0,
maximum=1000,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_signal_sizer)
_noise_sizer = wx.BoxSizer(wx.VERTICAL)
self._noise_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_noise_sizer,
value=self.noise,
callback=self.set_noise,
label="Noise",
converter=forms.float_converter(),
proportion=0,
)
self._noise_slider = forms.slider(
parent=self.GetWin(),
sizer=_noise_sizer,
value=self.noise,
callback=self.set_noise,
minimum=0,
maximum=1000,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_noise_sizer)
self.gr_wavfile_source_0 = gr.wavfile_source("/home/traviscollins/GNURADIO/tfc_models/test.wav", False)
self.gr_throttle_0 = gr.throttle(gr.sizeof_float*1, samp_rate)
self.gr_noise_source_x_0 = gr.noise_source_c(gr.GR_GAUSSIAN, noise, 42)
self.gr_multiply_const_vxx_0 = gr.multiply_const_vcc((signal, ))
self.gr_file_sink_1_0 = gr.file_sink(gr.sizeof_float*1, "/home/traviscollins/GNURADIO/tfc_models/output_txt.wav")
self.gr_file_sink_1_0.set_unbuffered(False)
self.gr_channel_model_0 = gr.channel_model(
noise_voltage=20,
frequency_offset=0.0,
epsilon=1.0,
taps=(1.0 + 1.0j, ),
noise_seed=42,
)
self.gr_add_xx_0 = gr.add_vcc(1)
self.digital_gmsk_mod_0 = digital.gmsk_mod(
samples_per_symbol=2,
bt=0.35,
verbose=False,
log=False,
)
self.digital_gmsk_demod_0 = digital.gmsk_demod(
samples_per_symbol=2,
gain_mu=0.175,
mu=0.5,
omega_relative_limit=0.005,
freq_error=0.0,
verbose=False,
log=False,
)
self.blks2_packet_encoder_0 = grc_blks2.packet_mod_f(grc_blks2.packet_encoder(
samples_per_symbol=2,
bits_per_symbol=1,
access_code="",
pad_for_usrp=True,
),
payload_length=0,
)
self.blks2_packet_decoder_0 = grc_blks2.packet_demod_f(grc_blks2.packet_decoder(
access_code="",
threshold=-1,
callback=lambda ok, payload: self.blks2_packet_decoder_0.recv_pkt(ok, payload),
),
)
self.audio_sink_0 = audio.sink(samp_rate, "", True)
##################################################
# Connections
##################################################
self.connect((self.gr_noise_source_x_0, 0), (self.gr_add_xx_0, 1))
self.connect((self.gr_add_xx_0, 0), (self.digital_gmsk_demod_0, 0))
self.connect((self.blks2_packet_encoder_0, 0), (self.digital_gmsk_mod_0, 0))
self.connect((self.digital_gmsk_mod_0, 0), (self.gr_multiply_const_vxx_0, 0))
self.connect((self.gr_throttle_0, 0), (self.blks2_packet_encoder_0, 0))
self.connect((self.gr_throttle_0, 0), (self.gr_file_sink_1_0, 0))
self.connect((self.digital_gmsk_demod_0, 0), (self.blks2_packet_decoder_0, 0))
self.connect((self.gr_multiply_const_vxx_0, 0), (self.gr_channel_model_0, 0))
self.connect((self.gr_channel_model_0, 0), (self.gr_add_xx_0, 0))
self.connect((self.gr_wavfile_source_0, 0), (self.gr_throttle_0, 0))
self.connect((self.blks2_packet_decoder_0, 0), (self.audio_sink_0, 0))
def __init__(self, freq_corr=0, N_id_1=134, avg_frames=1, N_id_2=0, decim=16): grc_wxgui.top_block_gui.__init__(self, title="Sss Corr2 Gui") _icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png" self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY)) ################################################## # Parameters ################################################## self.freq_corr = freq_corr self.N_id_1 = N_id_1 self.avg_frames = avg_frames self.N_id_2 = N_id_2 self.decim = decim ################################################## # Variables ################################################## self.vec_half_frame = vec_half_frame = 30720*5/decim self.samp_rate = samp_rate = 30720e3/decim self.rot = rot = 0 self.noise_level = noise_level = 0 self.fft_size = fft_size = 2048/decim ################################################## # Blocks ################################################## _rot_sizer = wx.BoxSizer(wx.VERTICAL) self._rot_text_box = forms.text_box( parent=self.GetWin(), sizer=_rot_sizer, value=self.rot, callback=self.set_rot, label='rot', converter=forms.float_converter(), proportion=0, ) self._rot_slider = forms.slider( parent=self.GetWin(), sizer=_rot_sizer, value=self.rot, callback=self.set_rot, minimum=0, maximum=1, num_steps=100, style=wx.SL_HORIZONTAL, cast=float, proportion=1, ) self.Add(_rot_sizer) _noise_level_sizer = wx.BoxSizer(wx.VERTICAL) self._noise_level_text_box = forms.text_box( parent=self.GetWin(), sizer=_noise_level_sizer, value=self.noise_level, callback=self.set_noise_level, label='noise_level', converter=forms.float_converter(), proportion=0, ) self._noise_level_slider = forms.slider( parent=self.GetWin(), sizer=_noise_level_sizer, value=self.noise_level, callback=self.set_noise_level, minimum=0, maximum=10, num_steps=100, style=wx.SL_HORIZONTAL, cast=float, proportion=1, ) self.Add(_noise_level_sizer) self.wxgui_scopesink2_0 = scopesink2.scope_sink_c( self.GetWin(), title="Scope Plot", sample_rate=samp_rate, v_scale=0, v_offset=0, t_scale=0, ac_couple=False, xy_mode=False, num_inputs=2, trig_mode=gr.gr_TRIG_MODE_AUTO, y_axis_label="Counts", ) self.Add(self.wxgui_scopesink2_0.win) self.gr_vector_to_stream_1 = gr.vector_to_stream(gr.sizeof_gr_complex*1, fft_size) self.gr_vector_to_stream_0_2 = gr.vector_to_stream(gr.sizeof_gr_complex*1, fft_size) self.gr_vector_to_stream_0_1 = gr.vector_to_stream(gr.sizeof_gr_complex*1, fft_size) self.gr_vector_to_stream_0_0 = gr.vector_to_stream(gr.sizeof_gr_complex*1, fft_size) self.gr_vector_to_stream_0 = gr.vector_to_stream(gr.sizeof_float*1, fft_size) self.gr_vector_source_x_0_0_0 = gr.vector_source_c((gen_pss_fd(N_id_2, fft_size, False).get_data()), True, fft_size) self.gr_vector_source_x_0_0 = gr.vector_source_c((gen_pss_fd(N_id_2, fft_size, False).get_data()), True, fft_size) self.gr_vector_source_x_0 = gr.vector_source_c((gen_sss_fd( N_id_1, N_id_2, fft_size).get_sss(True)), True, fft_size) self.gr_stream_to_vector_0_0 = gr.stream_to_vector(gr.sizeof_gr_complex*1, fft_size) self.gr_stream_to_vector_0 = gr.stream_to_vector(gr.sizeof_gr_complex*1, fft_size) self.gr_repeat_0 = gr.repeat(gr.sizeof_float*1, fft_size) self.gr_null_sink_0_0 = gr.null_sink(gr.sizeof_gr_complex*1) self.gr_null_sink_0 = gr.null_sink(gr.sizeof_gr_complex*1) self.gr_noise_source_x_0 = gr.noise_source_c(gr.GR_GAUSSIAN, noise_level, 0) self.gr_multiply_xx_1 = gr.multiply_vcc(1) self.gr_multiply_xx_0 = gr.multiply_vcc(fft_size) self.gr_multiply_const_vxx_1 = gr.multiply_const_vcc((1/1500., )) self.gr_multiply_const_vxx_0 = gr.multiply_const_vcc((exp(rot*2*numpy.pi*1j), )) self.gr_interleave_0 = gr.interleave(gr.sizeof_gr_complex*fft_size) self.gr_integrate_xx_0 = gr.integrate_ff(fft_size) self.gr_float_to_complex_0_0 = gr.float_to_complex(1) self.gr_float_to_complex_0 = gr.float_to_complex(1) self.gr_file_source_0 = gr.file_source(gr.sizeof_gr_complex*1, "/home/user/git/gr-lte/gr-lte/test/foo_pss0_sss_in.cfile", True) self.gr_fft_vxx_1 = gr.fft_vcc(fft_size, False, (window.blackmanharris(1024)), True, 1) self.gr_fft_vxx_0 = gr.fft_vcc(fft_size, True, (window.blackmanharris(1024)), True, 1) self.gr_divide_xx_0_1 = gr.divide_cc(1) self.gr_divide_xx_0_0 = gr.divide_ff(1) self.gr_divide_xx_0 = gr.divide_cc(1) self.gr_deinterleave_0 = gr.deinterleave(gr.sizeof_gr_complex*fft_size) self.gr_conjugate_cc_1 = gr.conjugate_cc() self.gr_conjugate_cc_0 = gr.conjugate_cc() self.gr_complex_to_mag_squared_0_0 = gr.complex_to_mag_squared(1) self.gr_complex_to_mag_squared_0 = gr.complex_to_mag_squared(fft_size) self.gr_add_xx_0 = gr.add_vcc(1) self.gr_add_const_vxx_0 = gr.add_const_vff((1, )) self.const_source_x_0_0 = gr.sig_source_f(0, gr.GR_CONST_WAVE, 0, 0, 0) self.const_source_x_0 = gr.sig_source_f(0, gr.GR_CONST_WAVE, 0, 0, 0) ################################################## # Connections ################################################## self.connect((self.gr_file_source_0, 0), (self.gr_stream_to_vector_0, 0)) self.connect((self.gr_conjugate_cc_0, 0), (self.gr_stream_to_vector_0_0, 0)) self.connect((self.gr_stream_to_vector_0_0, 0), (self.gr_multiply_xx_0, 1)) self.connect((self.gr_deinterleave_0, 0), (self.gr_multiply_xx_0, 0)) self.connect((self.gr_multiply_xx_0, 0), (self.gr_complex_to_mag_squared_0, 0)) self.connect((self.gr_complex_to_mag_squared_0, 0), (self.gr_vector_to_stream_0, 0)) self.connect((self.gr_vector_to_stream_0, 0), (self.gr_integrate_xx_0, 0)) self.connect((self.gr_integrate_xx_0, 0), (self.gr_repeat_0, 0)) self.connect((self.gr_multiply_xx_0, 0), (self.gr_vector_to_stream_0_0, 0)) self.connect((self.gr_vector_to_stream_0_1, 0), (self.gr_multiply_xx_1, 1)) self.connect((self.gr_divide_xx_0, 0), (self.gr_multiply_xx_1, 0)) self.connect((self.gr_float_to_complex_0, 0), (self.gr_divide_xx_0, 1)) self.connect((self.gr_conjugate_cc_1, 0), (self.gr_divide_xx_0, 0)) self.connect((self.gr_deinterleave_0, 1), (self.gr_vector_to_stream_0_1, 0)) self.connect((self.gr_repeat_0, 0), (self.gr_float_to_complex_0, 0)) self.connect((self.const_source_x_0, 0), (self.gr_float_to_complex_0, 1)) self.connect((self.gr_vector_to_stream_0_0, 0), (self.gr_conjugate_cc_1, 0)) self.connect((self.gr_vector_to_stream_0_0, 0), (self.gr_complex_to_mag_squared_0_0, 0)) self.connect((self.gr_complex_to_mag_squared_0_0, 0), (self.gr_divide_xx_0_0, 0)) self.connect((self.gr_repeat_0, 0), (self.gr_divide_xx_0_0, 1)) self.connect((self.gr_divide_xx_0_0, 0), (self.gr_add_const_vxx_0, 0)) self.connect((self.gr_add_const_vxx_0, 0), (self.gr_float_to_complex_0_0, 0)) self.connect((self.const_source_x_0_0, 0), (self.gr_float_to_complex_0_0, 1)) self.connect((self.gr_float_to_complex_0_0, 0), (self.gr_divide_xx_0_1, 1)) self.connect((self.gr_multiply_xx_1, 0), (self.gr_divide_xx_0_1, 0)) self.connect((self.gr_stream_to_vector_0, 0), (self.gr_fft_vxx_0, 0)) self.connect((self.gr_fft_vxx_0, 0), (self.gr_deinterleave_0, 0)) self.connect((self.gr_vector_to_stream_0_2, 0), (self.gr_conjugate_cc_0, 0)) self.connect((self.gr_divide_xx_0_1, 0), (self.gr_null_sink_0, 0)) self.connect((self.gr_vector_source_x_0, 0), (self.gr_interleave_0, 1)) self.connect((self.gr_interleave_0, 0), (self.gr_fft_vxx_1, 0)) self.connect((self.gr_fft_vxx_1, 0), (self.gr_vector_to_stream_1, 0)) self.connect((self.gr_vector_source_x_0_0, 0), (self.gr_interleave_0, 0)) self.connect((self.gr_vector_source_x_0_0_0, 0), (self.gr_vector_to_stream_0_2, 0)) self.connect((self.gr_noise_source_x_0, 0), (self.gr_add_xx_0, 1)) self.connect((self.gr_vector_to_stream_1, 0), (self.gr_add_xx_0, 0)) self.connect((self.gr_add_xx_0, 0), (self.gr_multiply_const_vxx_0, 0)) self.connect((self.gr_vector_to_stream_0_1, 0), (self.gr_multiply_const_vxx_1, 0)) self.connect((self.gr_multiply_const_vxx_0, 0), (self.gr_null_sink_0_0, 0)) self.connect((self.gr_multiply_const_vxx_1, 0), (self.wxgui_scopesink2_0, 1)) self.connect((self.gr_divide_xx_0_1, 0), (self.wxgui_scopesink2_0, 0))
def __init__(self, options):
gr.top_block.__init__(self)
use_sink = None
if(options.tx_freq is not None):
self.sink = uhd_transmitter(options.args,
options.bandwidth,
options.tx_freq, options.tx_gain,
options.spec, options.antenna,
options.verbose)
use_sink = self.sink
elif(options.to_file is not None):
self.sink = gr.file_sink(gr.sizeof_gr_complex, options.to_file)
self.throttle = gr.throttle(gr.sizeof_gr_complex*1, options.file_samp_rate)
self.connect(self.throttle, self.sink)
use_sink = self.throttle
else:
self.sink = gr.null_sink(gr.sizeof_gr_complex)
# do this after for any adjustments to the options that may
# occur in the sinks (specifically the UHD sink)
self.txpath = [ ]
self.txpath.append(transmit_path(options))
self.txpath.append(transmit_path(options))
samp_rate = 0
if(options.tx_freq is not None):
samp_rate = self.sink.get_sample_rate()
else:
samp_rate = options.file_samp_rate
print "SAMP RATE " + str(samp_rate)
volume = options.split_amplitude
band_transition = options.band_trans_width
low_transition = options.low_trans_width
guard_width = options.guard_width
self.low_pass_filter_qv0 = gr.interp_fir_filter_ccf(2, firdes.low_pass(
1, samp_rate, samp_rate/4-guard_width/2, low_transition, firdes.WIN_HAMMING, 6.76))
self.freq_translate_qv0 = filter.freq_xlating_fir_filter_ccc(1, (options.num_taps, ), samp_rate/4, samp_rate)
self.band_pass_filter_qv0 = gr.fir_filter_ccc(1, firdes.complex_band_pass(
1, samp_rate, -samp_rate/2+guard_width, 0-guard_width, band_transition, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_qv1 = gr.interp_fir_filter_ccf(2, firdes.low_pass(
1, samp_rate, samp_rate/4-guard_width/2, low_transition, firdes.WIN_HAMMING, 6.76))
self.freq_translate_qv1 = filter.freq_xlating_fir_filter_ccc(1, (options.num_taps, ), -samp_rate/4, samp_rate)
self.band_pass_filter_qv1 = gr.fir_filter_ccc(1, firdes.complex_band_pass(
1, samp_rate, 0+guard_width, samp_rate/2-guard_width, band_transition, firdes.WIN_HAMMING, 6.76))
self.combiner = gr.add_vcc(1)
self.volume_multiply = blocks.multiply_const_vcc((volume, ))
self.connect((self.txpath[0], 0), (self.low_pass_filter_qv0, 0))
self.connect((self.txpath[1], 0), (self.low_pass_filter_qv1, 0))
self.connect((self.low_pass_filter_qv0, 0), (self.freq_translate_qv0, 0))
self.connect((self.freq_translate_qv0, 0), (self.band_pass_filter_qv0, 0))
self.connect((self.low_pass_filter_qv1, 0), (self.freq_translate_qv1, 0))
self.connect((self.freq_translate_qv1, 0), (self.band_pass_filter_qv1, 0))
self.connect((self.band_pass_filter_qv0, 0), (self.combiner, 0))
self.connect((self.band_pass_filter_qv1, 0), (self.combiner, 1))
self.connect((self.combiner, 0), (self.volume_multiply, 0))
self.connect(self.volume_multiply, use_sink)
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Top Block")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 10000000
##################################################
# Blocks
##################################################
self.wxgui_fftsink2_0_0 = fftsink2.fft_sink_c(
self.GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title="FFT Plot",
peak_hold=False,
)
self.Add(self.wxgui_fftsink2_0_0.win)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title="FFT Plot",
peak_hold=False,
)
self.Add(self.wxgui_fftsink2_0.win)
self.random_source_x_0 = gr.vector_source_b(
map(int, numpy.random.randint(0, 2, 1000)), True)
self.gr_vector_to_stream_0 = gr.vector_to_stream(
gr.sizeof_gr_complex * 1, 512)
self.gr_throttle_0 = gr.throttle(gr.sizeof_gr_complex * 1, samp_rate)
self.gr_sub_xx_0 = gr.sub_cc(512)
self.gr_stream_to_vector_0 = gr.stream_to_vector(
gr.sizeof_gr_complex * 1, 512)
self.gr_file_source_1 = gr.file_source(
gr.sizeof_gr_complex * 512,
"/home/traviscollins/git/BLISS/Matlab/Spectral_Subtraction/hilbert.txt",
True)
self.gr_file_source_0 = gr.file_source(
gr.sizeof_float * 1,
"/home/traviscollins/git/BLISS/Matlab/Spectral_Subtraction/INPUT.txt",
True)
self.gr_file_sink_0 = gr.file_sink(
gr.sizeof_float * 1,
"/home/traviscollins/git/BLISS/Matlab/Spectral_Subtraction/OUTPUT.txt"
)
self.gr_file_sink_0.set_unbuffered(False)
self.gr_add_xx_0 = gr.add_vcc(1)
self.fft_vxx_1 = fft.fft_vcc(512, False, (window.blackmanharris(1024)),
True, 1)
self.fft_vxx_0 = fft.fft_vcc(512, True, (window.blackmanharris(1024)),
True, 1)
self.digital_ofdm_mod_0 = grc_blks2.packet_mod_f(
digital.ofdm_mod(options=grc_blks2.options(
modulation="bpsk",
fft_length=512,
occupied_tones=200,
cp_length=128,
pad_for_usrp=True,
log=None,
verbose=None,
), ),
payload_length=0,
)
self.digital_ofdm_demod_0 = grc_blks2.packet_demod_f(
digital.ofdm_demod(
options=grc_blks2.options(
modulation="bpsk",
fft_length=512,
occupied_tones=200,
cp_length=128,
snr=10,
log=None,
verbose=None,
),
callback=lambda ok, payload: self.digital_ofdm_demod_0.
recv_pkt(ok, payload),
), )
self.digital_dxpsk_mod_0 = digital.dbpsk_mod(samples_per_symbol=2,
excess_bw=0.35,
gray_coded=True,
verbose=False,
log=False)
##################################################
# Connections
##################################################
self.connect((self.gr_file_source_0, 0), (self.digital_ofdm_mod_0, 0))
self.connect((self.digital_ofdm_demod_0, 0), (self.gr_file_sink_0, 0))
self.connect((self.gr_stream_to_vector_0, 0), (self.fft_vxx_0, 0))
self.connect((self.random_source_x_0, 0),
(self.digital_dxpsk_mod_0, 0))
self.connect((self.digital_ofdm_mod_0, 0), (self.gr_add_xx_0, 0))
self.connect((self.digital_dxpsk_mod_0, 0), (self.gr_add_xx_0, 1))
self.connect((self.gr_add_xx_0, 0), (self.gr_throttle_0, 0))
self.connect((self.gr_throttle_0, 0), (self.gr_stream_to_vector_0, 0))
self.connect((self.fft_vxx_0, 0), (self.gr_sub_xx_0, 0))
self.connect((self.gr_file_source_1, 0), (self.gr_sub_xx_0, 1))
self.connect((self.gr_vector_to_stream_0, 0),
(self.digital_ofdm_demod_0, 0))
self.connect((self.gr_vector_to_stream_0, 0),
(self.wxgui_fftsink2_0, 0))
self.connect((self.gr_add_xx_0, 0), (self.wxgui_fftsink2_0_0, 0))
self.connect((self.gr_sub_xx_0, 0), (self.fft_vxx_1, 0))
self.connect((self.fft_vxx_1, 0), (self.gr_vector_to_stream_0, 0))
def __init__(self,
freq_corr=0,
N_id_1=134,
avg_frames=1,
N_id_2=0,
decim=16):
grc_wxgui.top_block_gui.__init__(self, title="Sss Corr2 Gui")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Parameters
##################################################
self.freq_corr = freq_corr
self.N_id_1 = N_id_1
self.avg_frames = avg_frames
self.N_id_2 = N_id_2
self.decim = decim
##################################################
# Variables
##################################################
self.vec_half_frame = vec_half_frame = 30720 * 5 / decim
self.samp_rate = samp_rate = 30720e3 / decim
self.rot = rot = 0
self.noise_level = noise_level = 0
self.fft_size = fft_size = 2048 / decim
##################################################
# Blocks
##################################################
_rot_sizer = wx.BoxSizer(wx.VERTICAL)
self._rot_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_rot_sizer,
value=self.rot,
callback=self.set_rot,
label='rot',
converter=forms.float_converter(),
proportion=0,
)
self._rot_slider = forms.slider(
parent=self.GetWin(),
sizer=_rot_sizer,
value=self.rot,
callback=self.set_rot,
minimum=0,
maximum=1,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_rot_sizer)
_noise_level_sizer = wx.BoxSizer(wx.VERTICAL)
self._noise_level_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_noise_level_sizer,
value=self.noise_level,
callback=self.set_noise_level,
label='noise_level',
converter=forms.float_converter(),
proportion=0,
)
self._noise_level_slider = forms.slider(
parent=self.GetWin(),
sizer=_noise_level_sizer,
value=self.noise_level,
callback=self.set_noise_level,
minimum=0,
maximum=10,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_noise_level_sizer)
self.wxgui_scopesink2_0 = scopesink2.scope_sink_c(
self.GetWin(),
title="Scope Plot",
sample_rate=samp_rate,
v_scale=0,
v_offset=0,
t_scale=0,
ac_couple=False,
xy_mode=False,
num_inputs=2,
trig_mode=gr.gr_TRIG_MODE_AUTO,
y_axis_label="Counts",
)
self.Add(self.wxgui_scopesink2_0.win)
self.gr_vector_to_stream_1 = gr.vector_to_stream(
gr.sizeof_gr_complex * 1, fft_size)
self.gr_vector_to_stream_0_2 = gr.vector_to_stream(
gr.sizeof_gr_complex * 1, fft_size)
self.gr_vector_to_stream_0_1 = gr.vector_to_stream(
gr.sizeof_gr_complex * 1, fft_size)
self.gr_vector_to_stream_0_0 = gr.vector_to_stream(
gr.sizeof_gr_complex * 1, fft_size)
self.gr_vector_to_stream_0 = gr.vector_to_stream(
gr.sizeof_float * 1, fft_size)
self.gr_vector_source_x_0_0_0 = gr.vector_source_c(
(gen_pss_fd(N_id_2, fft_size, False).get_data()), True, fft_size)
self.gr_vector_source_x_0_0 = gr.vector_source_c(
(gen_pss_fd(N_id_2, fft_size, False).get_data()), True, fft_size)
self.gr_vector_source_x_0 = gr.vector_source_c(
(gen_sss_fd(N_id_1, N_id_2, fft_size).get_sss(True)), True,
fft_size)
self.gr_stream_to_vector_0_0 = gr.stream_to_vector(
gr.sizeof_gr_complex * 1, fft_size)
self.gr_stream_to_vector_0 = gr.stream_to_vector(
gr.sizeof_gr_complex * 1, fft_size)
self.gr_repeat_0 = gr.repeat(gr.sizeof_float * 1, fft_size)
self.gr_null_sink_0_0 = gr.null_sink(gr.sizeof_gr_complex * 1)
self.gr_null_sink_0 = gr.null_sink(gr.sizeof_gr_complex * 1)
self.gr_noise_source_x_0 = gr.noise_source_c(gr.GR_GAUSSIAN,
noise_level, 0)
self.gr_multiply_xx_1 = gr.multiply_vcc(1)
self.gr_multiply_xx_0 = gr.multiply_vcc(fft_size)
self.gr_multiply_const_vxx_1 = gr.multiply_const_vcc((1 / 1500., ))
self.gr_multiply_const_vxx_0 = gr.multiply_const_vcc(
(exp(rot * 2 * numpy.pi * 1j), ))
self.gr_interleave_0 = gr.interleave(gr.sizeof_gr_complex * fft_size)
self.gr_integrate_xx_0 = gr.integrate_ff(fft_size)
self.gr_float_to_complex_0_0 = gr.float_to_complex(1)
self.gr_float_to_complex_0 = gr.float_to_complex(1)
self.gr_file_source_0 = gr.file_source(
gr.sizeof_gr_complex * 1,
"/home/user/git/gr-lte/gr-lte/test/foo_pss0_sss_in.cfile", True)
self.gr_fft_vxx_1 = gr.fft_vcc(fft_size, False,
(window.blackmanharris(1024)), True, 1)
self.gr_fft_vxx_0 = gr.fft_vcc(fft_size, True,
(window.blackmanharris(1024)), True, 1)
self.gr_divide_xx_0_1 = gr.divide_cc(1)
self.gr_divide_xx_0_0 = gr.divide_ff(1)
self.gr_divide_xx_0 = gr.divide_cc(1)
self.gr_deinterleave_0 = gr.deinterleave(gr.sizeof_gr_complex *
fft_size)
self.gr_conjugate_cc_1 = gr.conjugate_cc()
self.gr_conjugate_cc_0 = gr.conjugate_cc()
self.gr_complex_to_mag_squared_0_0 = gr.complex_to_mag_squared(1)
self.gr_complex_to_mag_squared_0 = gr.complex_to_mag_squared(fft_size)
self.gr_add_xx_0 = gr.add_vcc(1)
self.gr_add_const_vxx_0 = gr.add_const_vff((1, ))
self.const_source_x_0_0 = gr.sig_source_f(0, gr.GR_CONST_WAVE, 0, 0, 0)
self.const_source_x_0 = gr.sig_source_f(0, gr.GR_CONST_WAVE, 0, 0, 0)
##################################################
# Connections
##################################################
self.connect((self.gr_file_source_0, 0),
(self.gr_stream_to_vector_0, 0))
self.connect((self.gr_conjugate_cc_0, 0),
(self.gr_stream_to_vector_0_0, 0))
self.connect((self.gr_stream_to_vector_0_0, 0),
(self.gr_multiply_xx_0, 1))
self.connect((self.gr_deinterleave_0, 0), (self.gr_multiply_xx_0, 0))
self.connect((self.gr_multiply_xx_0, 0),
(self.gr_complex_to_mag_squared_0, 0))
self.connect((self.gr_complex_to_mag_squared_0, 0),
(self.gr_vector_to_stream_0, 0))
self.connect((self.gr_vector_to_stream_0, 0),
(self.gr_integrate_xx_0, 0))
self.connect((self.gr_integrate_xx_0, 0), (self.gr_repeat_0, 0))
self.connect((self.gr_multiply_xx_0, 0),
(self.gr_vector_to_stream_0_0, 0))
self.connect((self.gr_vector_to_stream_0_1, 0),
(self.gr_multiply_xx_1, 1))
self.connect((self.gr_divide_xx_0, 0), (self.gr_multiply_xx_1, 0))
self.connect((self.gr_float_to_complex_0, 0), (self.gr_divide_xx_0, 1))
self.connect((self.gr_conjugate_cc_1, 0), (self.gr_divide_xx_0, 0))
self.connect((self.gr_deinterleave_0, 1),
(self.gr_vector_to_stream_0_1, 0))
self.connect((self.gr_repeat_0, 0), (self.gr_float_to_complex_0, 0))
self.connect((self.const_source_x_0, 0),
(self.gr_float_to_complex_0, 1))
self.connect((self.gr_vector_to_stream_0_0, 0),
(self.gr_conjugate_cc_1, 0))
self.connect((self.gr_vector_to_stream_0_0, 0),
(self.gr_complex_to_mag_squared_0_0, 0))
self.connect((self.gr_complex_to_mag_squared_0_0, 0),
(self.gr_divide_xx_0_0, 0))
self.connect((self.gr_repeat_0, 0), (self.gr_divide_xx_0_0, 1))
self.connect((self.gr_divide_xx_0_0, 0), (self.gr_add_const_vxx_0, 0))
self.connect((self.gr_add_const_vxx_0, 0),
(self.gr_float_to_complex_0_0, 0))
self.connect((self.const_source_x_0_0, 0),
(self.gr_float_to_complex_0_0, 1))
self.connect((self.gr_float_to_complex_0_0, 0),
(self.gr_divide_xx_0_1, 1))
self.connect((self.gr_multiply_xx_1, 0), (self.gr_divide_xx_0_1, 0))
self.connect((self.gr_stream_to_vector_0, 0), (self.gr_fft_vxx_0, 0))
self.connect((self.gr_fft_vxx_0, 0), (self.gr_deinterleave_0, 0))
self.connect((self.gr_vector_to_stream_0_2, 0),
(self.gr_conjugate_cc_0, 0))
self.connect((self.gr_divide_xx_0_1, 0), (self.gr_null_sink_0, 0))
self.connect((self.gr_vector_source_x_0, 0), (self.gr_interleave_0, 1))
self.connect((self.gr_interleave_0, 0), (self.gr_fft_vxx_1, 0))
self.connect((self.gr_fft_vxx_1, 0), (self.gr_vector_to_stream_1, 0))
self.connect((self.gr_vector_source_x_0_0, 0),
(self.gr_interleave_0, 0))
self.connect((self.gr_vector_source_x_0_0_0, 0),
(self.gr_vector_to_stream_0_2, 0))
self.connect((self.gr_noise_source_x_0, 0), (self.gr_add_xx_0, 1))
self.connect((self.gr_vector_to_stream_1, 0), (self.gr_add_xx_0, 0))
self.connect((self.gr_add_xx_0, 0), (self.gr_multiply_const_vxx_0, 0))
self.connect((self.gr_vector_to_stream_0_1, 0),
(self.gr_multiply_const_vxx_1, 0))
self.connect((self.gr_multiply_const_vxx_0, 0),
(self.gr_null_sink_0_0, 0))
self.connect((self.gr_multiply_const_vxx_1, 0),
(self.wxgui_scopesink2_0, 1))
self.connect((self.gr_divide_xx_0_1, 0), (self.wxgui_scopesink2_0, 0))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Top Block")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 192000
self.Noise = Noise = 0.01
self.Loudness = Loudness = 0.7
self.Frequency = Frequency = 5000
##################################################
# Blocks
##################################################
_Noise_sizer = wx.BoxSizer(wx.VERTICAL)
self._Noise_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_Noise_sizer,
value=self.Noise,
callback=self.set_Noise,
label="Noise",
converter=forms.float_converter(),
proportion=0,
)
self._Noise_slider = forms.slider(
parent=self.GetWin(),
sizer=_Noise_sizer,
value=self.Noise,
callback=self.set_Noise,
minimum=0.0,
maximum=1,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_Noise_sizer)
_Loudness_sizer = wx.BoxSizer(wx.VERTICAL)
self._Loudness_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_Loudness_sizer,
value=self.Loudness,
callback=self.set_Loudness,
label="Loudness",
converter=forms.float_converter(),
proportion=0,
)
self._Loudness_slider = forms.slider(
parent=self.GetWin(),
sizer=_Loudness_sizer,
value=self.Loudness,
callback=self.set_Loudness,
minimum=0.0,
maximum=1.0,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_Loudness_sizer)
_Frequency_sizer = wx.BoxSizer(wx.VERTICAL)
self._Frequency_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_Frequency_sizer,
value=self.Frequency,
callback=self.set_Frequency,
label="Frequency",
converter=forms.int_converter(),
proportion=0,
)
self._Frequency_slider = forms.slider(
parent=self.GetWin(),
sizer=_Frequency_sizer,
value=self.Frequency,
callback=self.set_Frequency,
minimum=10,
maximum=20000,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=int,
proportion=1,
)
self.Add(_Frequency_sizer)
self.wxgui_waterfallsink2_0 = waterfallsink2.waterfall_sink_c(
self.GetWin(),
baseband_freq=0,
dynamic_range=100,
ref_level=0,
ref_scale=4.0,
sample_rate=samp_rate,
fft_size=2048,
fft_rate=15,
average=False,
avg_alpha=0.1,
title="Waterfall Plot",
size=(900,200),
)
self.Add(self.wxgui_waterfallsink2_0.win)
def wxgui_waterfallsink2_0_callback(x, y):
self.set_Frequency(x)
self.wxgui_waterfallsink2_0.set_callback(wxgui_waterfallsink2_0_callback)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=4.0,
sample_rate=samp_rate,
fft_size=2048,
fft_rate=15,
average=True,
avg_alpha=0.1,
title="FFT Plot",
peak_hold=True,
)
self.Add(self.wxgui_fftsink2_0.win)
self.gr_sig_source_x_2 = gr.sig_source_c(samp_rate, gr.GR_SIN_WAVE, Frequency, Loudness, 0)
self.gr_noise_source_x_0 = gr.noise_source_c(gr.GR_GAUSSIAN, Noise, 0)
self.gr_complex_to_real_0 = gr.complex_to_real(1)
self.gr_add_xx_1 = gr.add_vcc(1)
self.audio_sink_0 = audio.sink(samp_rate, "", True)
##################################################
# Connections
##################################################
self.connect((self.gr_complex_to_real_0, 0), (self.audio_sink_0, 0))
self.connect((self.gr_noise_source_x_0, 0), (self.gr_add_xx_1, 0))
self.connect((self.gr_sig_source_x_2, 0), (self.gr_add_xx_1, 1))
self.connect((self.gr_add_xx_1, 0), (self.gr_complex_to_real_0, 0))
self.connect((self.gr_add_xx_1, 0), (self.wxgui_waterfallsink2_0, 0))
self.connect((self.gr_add_xx_1, 0), (self.wxgui_fftsink2_0, 0))
def run_test(seed,blocksize):
tb = gr.top_block()
##################################################
# Variables
##################################################
M = 2
K = 1
P = 2
h = (1.0*K)/P
L = 3
Q = 4
frac = 0.99
f = trellis.fsm(P,M,L)
# CPFSK signals
#p = numpy.ones(Q)/(2.0)
#q = numpy.cumsum(p)/(1.0*Q)
# GMSK signals
BT=0.3;
tt=numpy.arange(0,L*Q)/(1.0*Q)-L/2.0;
#print tt
p=(0.5*scipy.stats.erfc(2*math.pi*BT*(tt-0.5)/math.sqrt(math.log(2.0))/math.sqrt(2.0))-0.5*scipy.stats.erfc(2*math.pi*BT*(tt+0.5)/math.sqrt(math.log(2.0))/math.sqrt(2.0)))/2.0;
p=p/sum(p)*Q/2.0;
#print p
q=numpy.cumsum(p)/Q;
q=q/q[-1]/2.0;
#print q
(f0T,SS,S,F,Sf,Ff,N) = fsm_utils.make_cpm_signals(K,P,M,L,q,frac)
#print N
#print Ff
Ffa = numpy.insert(Ff,Q,numpy.zeros(N),axis=0)
#print Ffa
MF = numpy.fliplr(numpy.transpose(Ffa))
#print MF
E = numpy.sum(numpy.abs(Sf)**2,axis=0)
Es = numpy.sum(E)/f.O()
#print Es
constellation = numpy.reshape(numpy.transpose(Sf),N*f.O())
#print Ff
#print Sf
#print constellation
#print numpy.max(numpy.abs(SS - numpy.dot(Ff , Sf)))
EsN0_db = 10.0
N0 = Es * 10.0**(-(1.0*EsN0_db)/10.0)
#N0 = 0.0
#print N0
head = 4
tail = 4
numpy.random.seed(seed*666)
data = numpy.random.randint(0, M, head+blocksize+tail+1)
#data = numpy.zeros(blocksize+1+head+tail,'int')
for i in range(head):
data[i]=0
for i in range(tail+1):
data[-i]=0
##################################################
# Blocks
##################################################
random_source_x_0 = gr.vector_source_b(data, False)
gr_chunks_to_symbols_xx_0 = gr.chunks_to_symbols_bf((-1, 1), 1)
gr_interp_fir_filter_xxx_0 = gr.interp_fir_filter_fff(Q, p)
gr_frequency_modulator_fc_0 = gr.frequency_modulator_fc(2*math.pi*h*(1.0/Q))
gr_add_vxx_0 = gr.add_vcc(1)
gr_noise_source_x_0 = gr.noise_source_c(gr.GR_GAUSSIAN, (N0/2.0)**0.5, -long(seed))
gr_multiply_vxx_0 = gr.multiply_vcc(1)
gr_sig_source_x_0 = gr.sig_source_c(Q, gr.GR_COS_WAVE, -f0T, 1, 0)
# only works for N=2, do it manually for N>2...
gr_fir_filter_xxx_0_0 = gr.fir_filter_ccc(Q, MF[0].conjugate())
gr_fir_filter_xxx_0_0_0 = gr.fir_filter_ccc(Q, MF[1].conjugate())
gr_streams_to_stream_0 = gr.streams_to_stream(gr.sizeof_gr_complex*1, N)
gr_skiphead_0 = gr.skiphead(gr.sizeof_gr_complex*1, N*(1+0))
viterbi = trellis.viterbi_combined_cb(f, head+blocksize+tail, 0, -1, N, constellation, trellis.TRELLIS_EUCLIDEAN)
gr_vector_sink_x_0 = gr.vector_sink_b()
##################################################
# Connections
##################################################
tb.connect((random_source_x_0, 0), (gr_chunks_to_symbols_xx_0, 0))
tb.connect((gr_chunks_to_symbols_xx_0, 0), (gr_interp_fir_filter_xxx_0, 0))
tb.connect((gr_interp_fir_filter_xxx_0, 0), (gr_frequency_modulator_fc_0, 0))
tb.connect((gr_frequency_modulator_fc_0, 0), (gr_add_vxx_0, 0))
tb.connect((gr_noise_source_x_0, 0), (gr_add_vxx_0, 1))
tb.connect((gr_add_vxx_0, 0), (gr_multiply_vxx_0, 0))
tb.connect((gr_sig_source_x_0, 0), (gr_multiply_vxx_0, 1))
tb.connect((gr_multiply_vxx_0, 0), (gr_fir_filter_xxx_0_0, 0))
tb.connect((gr_multiply_vxx_0, 0), (gr_fir_filter_xxx_0_0_0, 0))
tb.connect((gr_fir_filter_xxx_0_0, 0), (gr_streams_to_stream_0, 0))
tb.connect((gr_fir_filter_xxx_0_0_0, 0), (gr_streams_to_stream_0, 1))
tb.connect((gr_streams_to_stream_0, 0), (gr_skiphead_0, 0))
tb.connect((gr_skiphead_0, 0), (viterbi, 0))
tb.connect((viterbi, 0), (gr_vector_sink_x_0, 0))
tb.run()
dataest = gr_vector_sink_x_0.data()
#print data
#print numpy.array(dataest)
perr = 0
err = 0
for i in range(blocksize):
if data[head+i] != dataest[head+i]:
#print i
err += 1
if err != 0 :
perr = 1
return (err,perr)
def __init__(self):
gr.top_block.__init__(self, "Simple QAM Simulation")
Qt.QWidget.__init__(self)
self.setWindowTitle("Simple QAM Simulation")
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
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)
##################################################
# Variables
##################################################
self.constellation_cardinality = constellation_cardinality = 16
self.const_object = const_object = constellations()['qam'](constellation_cardinality)
self.snr_db = snr_db = 20
self.constellation = constellation = const_object.points()
self.sps = sps = 8
self.samp_rate = samp_rate = 250000
self.noise_amp = noise_amp = sqrt( (10**(-snr_db/10.)) /2. )
self.constellation_power = constellation_power = sqrt(sum([abs(i)**2 for i in constellation])/constellation_cardinality)
##################################################
# Blocks
##################################################
self.tabid_0 = Qt.QTabWidget()
self.tabid_0_widget_0 = Qt.QWidget()
self.tabid_0_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabid_0_widget_0)
self.tabid_0_grid_layout_0 = Qt.QGridLayout()
self.tabid_0_layout_0.addLayout(self.tabid_0_grid_layout_0)
self.tabid_0.addTab(self.tabid_0_widget_0, "TX")
self.tabid_0_widget_1 = Qt.QWidget()
self.tabid_0_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabid_0_widget_1)
self.tabid_0_grid_layout_1 = Qt.QGridLayout()
self.tabid_0_layout_1.addLayout(self.tabid_0_grid_layout_1)
self.tabid_0.addTab(self.tabid_0_widget_1, "CHANNEL")
self.tabid_0_widget_2 = Qt.QWidget()
self.tabid_0_layout_2 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabid_0_widget_2)
self.tabid_0_grid_layout_2 = Qt.QGridLayout()
self.tabid_0_layout_2.addLayout(self.tabid_0_grid_layout_2)
self.tabid_0.addTab(self.tabid_0_widget_2, "RX")
self.top_grid_layout.addWidget(self.tabid_0, 30,0,10,100)
self.tabid_2 = Qt.QTabWidget()
self.tabid_2_widget_0 = Qt.QWidget()
self.tabid_2_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabid_2_widget_0)
self.tabid_2_grid_layout_0 = Qt.QGridLayout()
self.tabid_2_layout_0.addLayout(self.tabid_2_grid_layout_0)
self.tabid_2.addTab(self.tabid_2_widget_0, "symbol-based")
self.tabid_2_widget_1 = Qt.QWidget()
self.tabid_2_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabid_2_widget_1)
self.tabid_2_grid_layout_1 = Qt.QGridLayout()
self.tabid_2_layout_1.addLayout(self.tabid_2_grid_layout_1)
self.tabid_2.addTab(self.tabid_2_widget_1, "bit-based")
self.tabid_2_widget_2 = Qt.QWidget()
self.tabid_2_layout_2 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabid_2_widget_2)
self.tabid_2_grid_layout_2 = Qt.QGridLayout()
self.tabid_2_layout_2.addLayout(self.tabid_2_grid_layout_2)
self.tabid_2.addTab(self.tabid_2_widget_2, "BER")
self.tabid_0_layout_2.addWidget(self.tabid_2)
self.tabid_1 = Qt.QTabWidget()
self.tabid_1_widget_0 = Qt.QWidget()
self.tabid_1_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabid_1_widget_0)
self.tabid_1_grid_layout_0 = Qt.QGridLayout()
self.tabid_1_layout_0.addLayout(self.tabid_1_grid_layout_0)
self.tabid_1.addTab(self.tabid_1_widget_0, "bit-based")
self.tabid_1_widget_1 = Qt.QWidget()
self.tabid_1_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabid_1_widget_1)
self.tabid_1_grid_layout_1 = Qt.QGridLayout()
self.tabid_1_layout_1.addLayout(self.tabid_1_grid_layout_1)
self.tabid_1.addTab(self.tabid_1_widget_1, "scrambled")
self.tabid_1_widget_2 = Qt.QWidget()
self.tabid_1_layout_2 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabid_1_widget_2)
self.tabid_1_grid_layout_2 = Qt.QGridLayout()
self.tabid_1_layout_2.addLayout(self.tabid_1_grid_layout_2)
self.tabid_1.addTab(self.tabid_1_widget_2, "symbol-based")
self.tabid_0_grid_layout_0.addWidget(self.tabid_1, 0,0,10,10)
self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
1024, #size
samp_rate, #bw
"QT GUI Plot", #name
1 #number of inputs
)
self._qtgui_time_sink_x_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
self.tabid_2_layout_2.addWidget(self._qtgui_time_sink_x_0_win)
self.qtgui_sink_x_0_1_0_0 = qtgui.sink_f(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
False, #plotfreq
False, #plotwaterfall
True, #plottime
True, #plotconst
)
self._qtgui_sink_x_0_1_0_0_win = sip.wrapinstance(self.qtgui_sink_x_0_1_0_0.pyqwidget(), Qt.QWidget)
self.tabid_1_layout_0.addWidget(self._qtgui_sink_x_0_1_0_0_win)
self.qtgui_sink_x_0_1_0 = qtgui.sink_f(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
True, #plotfreq
False, #plotwaterfall
True, #plottime
True, #plotconst
)
self._qtgui_sink_x_0_1_0_win = sip.wrapinstance(self.qtgui_sink_x_0_1_0.pyqwidget(), Qt.QWidget)
self.tabid_1_layout_1.addWidget(self._qtgui_sink_x_0_1_0_win)
self.qtgui_sink_x_0_1 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
False, #plotfreq
False, #plotwaterfall
True, #plottime
True, #plotconst
)
self._qtgui_sink_x_0_1_win = sip.wrapinstance(self.qtgui_sink_x_0_1.pyqwidget(), Qt.QWidget)
self.tabid_1_layout_2.addWidget(self._qtgui_sink_x_0_1_win)
self.qtgui_sink_x_0_0_0_0 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
True, #plotfreq
False, #plotwaterfall
True, #plottime
True, #plotconst
)
self._qtgui_sink_x_0_0_0_0_win = sip.wrapinstance(self.qtgui_sink_x_0_0_0_0.pyqwidget(), Qt.QWidget)
self.tabid_2_layout_0.addWidget(self._qtgui_sink_x_0_0_0_0_win)
self.qtgui_sink_x_0_0_0 = qtgui.sink_f(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
False, #plotfreq
False, #plotwaterfall
True, #plottime
True, #plotconst
)
self._qtgui_sink_x_0_0_0_win = sip.wrapinstance(self.qtgui_sink_x_0_0_0.pyqwidget(), Qt.QWidget)
self.tabid_2_layout_1.addWidget(self._qtgui_sink_x_0_0_0_win)
self.qtgui_sink_x_0_0 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
True, #plotfreq
False, #plotwaterfall
True, #plottime
False, #plotconst
)
self._qtgui_sink_x_0_0_win = sip.wrapinstance(self.qtgui_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.tabid_0_layout_1.addWidget(self._qtgui_sink_x_0_0_win)
self.gr_vector_source_x_0_0 = gr.vector_source_b(([1,0]), True, 1)
self.gr_vector_source_x_0 = gr.vector_source_b(([1,0]), True, 1)
self.gr_unpack_k_bits_bb_0 = gr.unpack_k_bits_bb(int(log2(constellation_cardinality)))
self.gr_throttle_0 = gr.throttle(gr.sizeof_gr_complex*1, samp_rate)
self.gr_pack_k_bits_bb_0 = gr.pack_k_bits_bb(int(log2(constellation_cardinality)))
self.gr_null_sink_0 = gr.null_sink(gr.sizeof_char*1)
self.gr_noise_source_x_0 = gr.noise_source_c(gr.GR_GAUSSIAN, noise_amp, 0)
self.gr_nlog10_ff_0 = gr.nlog10_ff(1, 1, 0)
self.gr_multiply_const_vxx_0_0 = gr.multiply_const_vcc((1./constellation_power, ))
self.gr_multiply_const_vxx_0 = gr.multiply_const_vcc((constellation_power, ))
self.gr_file_sink_0_1_0 = gr.file_sink(gr.sizeof_gr_complex*1, "rx_sym.32fc")
self.gr_file_sink_0_1_0.set_unbuffered(False)
self.gr_file_sink_0_1 = gr.file_sink(gr.sizeof_gr_complex*1, "tx_sym.32fc")
self.gr_file_sink_0_1.set_unbuffered(False)
self.gr_file_sink_0_0 = gr.file_sink(gr.sizeof_char*1, "rx.8b")
self.gr_file_sink_0_0.set_unbuffered(False)
self.gr_file_sink_0 = gr.file_sink(gr.sizeof_char*1, "tx.8b")
self.gr_file_sink_0.set_unbuffered(False)
self.gr_descrambler_bb_0 = gr.descrambler_bb(0xe4001, 0x7ffff, 19)
self.gr_char_to_float_1_0 = gr.char_to_float(1, 1)
self.gr_char_to_float_1 = gr.char_to_float(1, 1)
self.gr_char_to_float_0 = gr.char_to_float(1, 1)
self.gr_add_xx_0 = gr.add_vcc(1)
self.digital_scrambler_bb_0 = digital.scrambler_bb(0xe4001, 0x7fffF, 19)
self.digital_constellation_receiver_cb_0 = digital.constellation_receiver_cb(const_object.base(), 6.28/100, -0.25, +0.25)
self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc((constellation), 1)
self.blks2_error_rate_0 = grc_blks2.error_rate(
type='BER',
win_size=samp_rate,
bits_per_symbol=1,
)
##################################################
# Connections
##################################################
self.connect((self.gr_vector_source_x_0, 0), (self.digital_scrambler_bb_0, 0))
self.connect((self.digital_scrambler_bb_0, 0), (self.gr_pack_k_bits_bb_0, 0))
self.connect((self.gr_pack_k_bits_bb_0, 0), (self.digital_chunks_to_symbols_xx_0, 0))
self.connect((self.digital_constellation_receiver_cb_0, 0), (self.gr_file_sink_0_0, 0))
self.connect((self.digital_constellation_receiver_cb_0, 0), (self.gr_unpack_k_bits_bb_0, 0))
self.connect((self.gr_unpack_k_bits_bb_0, 0), (self.gr_descrambler_bb_0, 0))
self.connect((self.gr_descrambler_bb_0, 0), (self.gr_null_sink_0, 0))
self.connect((self.gr_multiply_const_vxx_0, 0), (self.digital_constellation_receiver_cb_0, 0))
self.connect((self.gr_descrambler_bb_0, 0), (self.gr_char_to_float_0, 0))
self.connect((self.gr_char_to_float_0, 0), (self.qtgui_sink_x_0_0_0, 0))
self.connect((self.gr_add_xx_0, 0), (self.gr_throttle_0, 0))
self.connect((self.gr_noise_source_x_0, 0), (self.gr_add_xx_0, 1))
self.connect((self.digital_chunks_to_symbols_xx_0, 0), (self.gr_multiply_const_vxx_0_0, 0))
self.connect((self.gr_multiply_const_vxx_0_0, 0), (self.gr_file_sink_0_1, 0))
self.connect((self.gr_multiply_const_vxx_0_0, 0), (self.qtgui_sink_x_0_1, 0))
self.connect((self.gr_char_to_float_1, 0), (self.qtgui_sink_x_0_1_0, 0))
self.connect((self.gr_pack_k_bits_bb_0, 0), (self.gr_char_to_float_1, 0))
self.connect((self.gr_pack_k_bits_bb_0, 0), (self.gr_file_sink_0, 0))
self.connect((self.gr_char_to_float_1_0, 0), (self.qtgui_sink_x_0_1_0_0, 0))
self.connect((self.gr_vector_source_x_0, 0), (self.gr_char_to_float_1_0, 0))
self.connect((self.gr_multiply_const_vxx_0_0, 0), (self.gr_add_xx_0, 0))
self.connect((self.gr_add_xx_0, 0), (self.qtgui_sink_x_0_0, 0))
self.connect((self.gr_throttle_0, 0), (self.gr_multiply_const_vxx_0, 0))
self.connect((self.gr_throttle_0, 0), (self.gr_file_sink_0_1_0, 0))
self.connect((self.gr_throttle_0, 0), (self.qtgui_sink_x_0_0_0_0, 0))
self.connect((self.gr_nlog10_ff_0, 0), (self.qtgui_time_sink_x_0, 0))
self.connect((self.blks2_error_rate_0, 0), (self.gr_nlog10_ff_0, 0))
self.connect((self.gr_vector_source_x_0_0, 0), (self.blks2_error_rate_0, 0))
self.connect((self.gr_descrambler_bb_0, 0), (self.blks2_error_rate_0, 1))
def __init__(self, freq_corr=0, avg_frames=1, decim=16, N_id_2=0, N_id_1=134): grc_wxgui.top_block_gui.__init__(self, title="Sss Corr5 Gui") _icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png" self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY)) ################################################## # Parameters ################################################## self.freq_corr = freq_corr self.avg_frames = avg_frames self.decim = decim self.N_id_2 = N_id_2 self.N_id_1 = N_id_1 ################################################## # Variables ################################################## self.vec_half_frame = vec_half_frame = 30720*5/decim self.symbol_start = symbol_start = 144/decim self.slot_0_10 = slot_0_10 = 1 self.samp_rate = samp_rate = 30720e3/decim self.rot = rot = 0 self.noise_level = noise_level = 0 self.fft_size = fft_size = 2048/decim self.N_re = N_re = 62 ################################################## # Blocks ################################################## _rot_sizer = wx.BoxSizer(wx.VERTICAL) self._rot_text_box = forms.text_box( parent=self.GetWin(), sizer=_rot_sizer, value=self.rot, callback=self.set_rot, label='rot', converter=forms.float_converter(), proportion=0, ) self._rot_slider = forms.slider( parent=self.GetWin(), sizer=_rot_sizer, value=self.rot, callback=self.set_rot, minimum=0, maximum=1, num_steps=100, style=wx.SL_HORIZONTAL, cast=float, proportion=1, ) self.Add(_rot_sizer) self.notebook_0 = self.notebook_0 = wx.Notebook(self.GetWin(), style=wx.NB_TOP) self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "SSS ML") self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "SSS equ") self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "SSS in") self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "PSS equ") self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "PSS ch est") self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "foo") self.Add(self.notebook_0) _noise_level_sizer = wx.BoxSizer(wx.VERTICAL) self._noise_level_text_box = forms.text_box( parent=self.GetWin(), sizer=_noise_level_sizer, value=self.noise_level, callback=self.set_noise_level, label='noise_level', converter=forms.float_converter(), proportion=0, ) self._noise_level_slider = forms.slider( parent=self.GetWin(), sizer=_noise_level_sizer, value=self.noise_level, callback=self.set_noise_level, minimum=0, maximum=10, num_steps=100, style=wx.SL_HORIZONTAL, cast=float, proportion=1, ) self.Add(_noise_level_sizer) self.wxgui_scopesink2_0_1_0_1 = scopesink2.scope_sink_c( self.notebook_0.GetPage(3).GetWin(), title="Scope Plot", sample_rate=samp_rate, v_scale=0, v_offset=0, t_scale=0, ac_couple=False, xy_mode=False, num_inputs=2, trig_mode=gr.gr_TRIG_MODE_AUTO, y_axis_label="Counts", ) self.notebook_0.GetPage(3).Add(self.wxgui_scopesink2_0_1_0_1.win) self.wxgui_scopesink2_0_1_0_0 = scopesink2.scope_sink_c( self.notebook_0.GetPage(2).GetWin(), title="Scope Plot", sample_rate=samp_rate, v_scale=0, v_offset=0, t_scale=0, ac_couple=False, xy_mode=False, num_inputs=1, trig_mode=gr.gr_TRIG_MODE_AUTO, y_axis_label="Counts", ) self.notebook_0.GetPage(2).Add(self.wxgui_scopesink2_0_1_0_0.win) self.wxgui_scopesink2_0_1_0 = scopesink2.scope_sink_c( self.notebook_0.GetPage(1).GetWin(), title="Scope Plot", sample_rate=samp_rate, v_scale=0, v_offset=0, t_scale=0, ac_couple=False, xy_mode=False, num_inputs=1, trig_mode=gr.gr_TRIG_MODE_AUTO, y_axis_label="Counts", ) self.notebook_0.GetPage(1).Add(self.wxgui_scopesink2_0_1_0.win) self.wxgui_scopesink2_0_1 = scopesink2.scope_sink_f( self.notebook_0.GetPage(0).GetWin(), title="Scope Plot", sample_rate=100/avg_frames, v_scale=0, v_offset=0, t_scale=0, ac_couple=False, xy_mode=False, num_inputs=1, trig_mode=gr.gr_TRIG_MODE_AUTO, y_axis_label="Counts", ) self.notebook_0.GetPage(0).Add(self.wxgui_scopesink2_0_1.win) _symbol_start_sizer = wx.BoxSizer(wx.VERTICAL) self._symbol_start_text_box = forms.text_box( parent=self.GetWin(), sizer=_symbol_start_sizer, value=self.symbol_start, callback=self.set_symbol_start, label='symbol_start', converter=forms.int_converter(), proportion=0, ) self._symbol_start_slider = forms.slider( parent=self.GetWin(), sizer=_symbol_start_sizer, value=self.symbol_start, callback=self.set_symbol_start, minimum=0, maximum=144/decim, num_steps=144/decim, style=wx.SL_HORIZONTAL, cast=int, proportion=1, ) self.Add(_symbol_start_sizer) self.sss_ml_fd_0 = sss_ml_fd( decim=decim, avg_frames=avg_frames, N_id_1=N_id_1, N_id_2=N_id_2, slot_0_10=slot_0_10, ) self.pss_chan_est2_0 = pss_chan_est2( N_id_2=N_id_2, ) self.gr_vector_to_stream_0_0_1_0 = gr.vector_to_stream(gr.sizeof_gr_complex*1, N_re) self.gr_vector_to_stream_0_0_1 = gr.vector_to_stream(gr.sizeof_gr_complex*1, N_re) self.gr_vector_to_stream_0_0_0 = gr.vector_to_stream(gr.sizeof_gr_complex*1, N_re) self.gr_vector_to_stream_0_0 = gr.vector_to_stream(gr.sizeof_gr_complex*1, N_re) self.gr_vector_to_stream_0 = gr.vector_to_stream(gr.sizeof_gr_complex*1, fft_size) self.gr_vector_source_x_0_0_0 = gr.vector_source_c((gen_pss_fd(N_id_2, N_re, False).get_data()), True, N_re) self.gr_throttle_0 = gr.throttle(gr.sizeof_gr_complex*1, samp_rate) self.gr_stream_to_vector_0_0 = gr.stream_to_vector(gr.sizeof_gr_complex*1, N_re) self.gr_stream_to_vector_0 = gr.stream_to_vector(gr.sizeof_gr_complex*1, fft_size) self.gr_stream_mux_0 = gr.stream_mux(gr.sizeof_gr_complex*1, (N_re/2, N_re/2)) self.gr_null_source_0 = gr.null_source(gr.sizeof_gr_complex*1) self.gr_noise_source_x_0 = gr.noise_source_c(gr.GR_GAUSSIAN, noise_level, 0) self.gr_multiply_xx_1_0 = gr.multiply_vcc(N_re) self.gr_multiply_xx_1 = gr.multiply_vcc(N_re) self.gr_multiply_const_vxx_0 = gr.multiply_const_vcc((0.005*exp(rot*2*numpy.pi*1j), )) self.gr_keep_m_in_n_0_0 = gr.keep_m_in_n(gr.sizeof_gr_complex, N_re/2, fft_size, (fft_size-N_re)/2-1) self.gr_keep_m_in_n_0 = gr.keep_m_in_n(gr.sizeof_gr_complex, N_re/2, fft_size, (fft_size)/2) self.gr_file_source_0 = gr.file_source(gr.sizeof_gr_complex*1, "/home/user/git/gr-lte/gr-lte/test/octave/foo_sss_td_in.cfile", True) self.gr_fft_vxx_0 = gr.fft_vcc(fft_size, True, (window.blackmanharris(1024)), True, 1) self.gr_deinterleave_0 = gr.deinterleave(gr.sizeof_gr_complex*N_re) self.gr_channel_model_0 = gr.channel_model( noise_voltage=0.005*noise_level, frequency_offset=0.0, epsilon=1, taps=(0.005*exp(rot*2*numpy.pi*1j), ), noise_seed=0, ) self.gr_add_xx_0 = gr.add_vcc(1) self.blks2_selector_0_0 = grc_blks2.selector( item_size=gr.sizeof_gr_complex*1, num_inputs=2, num_outputs=1, input_index=0, output_index=0, ) self.blks2_selector_0 = grc_blks2.selector( item_size=gr.sizeof_gr_complex*1, num_inputs=3, num_outputs=2, input_index=0, output_index=0, ) ################################################## # Connections ################################################## self.connect((self.gr_noise_source_x_0, 0), (self.gr_add_xx_0, 1)) self.connect((self.gr_add_xx_0, 0), (self.gr_multiply_const_vxx_0, 0)) self.connect((self.blks2_selector_0, 0), (self.gr_channel_model_0, 0)) self.connect((self.blks2_selector_0, 1), (self.gr_add_xx_0, 0)) self.connect((self.gr_channel_model_0, 0), (self.blks2_selector_0_0, 0)) self.connect((self.gr_multiply_const_vxx_0, 0), (self.blks2_selector_0_0, 1)) self.connect((self.gr_file_source_0, 0), (self.blks2_selector_0, 0)) self.connect((self.blks2_selector_0_0, 0), (self.gr_throttle_0, 0)) self.connect((self.gr_deinterleave_0, 0), (self.gr_vector_to_stream_0_0_0, 0)) self.connect((self.gr_vector_to_stream_0_0_0, 0), (self.wxgui_scopesink2_0_1_0_0, 0)) self.connect((self.gr_vector_to_stream_0_0, 0), (self.wxgui_scopesink2_0_1_0, 0)) self.connect((self.gr_fft_vxx_0, 0), (self.gr_vector_to_stream_0, 0)) self.connect((self.gr_vector_to_stream_0, 0), (self.gr_keep_m_in_n_0, 0)) self.connect((self.gr_stream_to_vector_0_0, 0), (self.gr_deinterleave_0, 0)) self.connect((self.gr_stream_to_vector_0, 0), (self.gr_fft_vxx_0, 0)) self.connect((self.gr_vector_to_stream_0_0_1, 0), (self.wxgui_scopesink2_0_1_0_1, 0)) self.connect((self.gr_vector_to_stream_0_0_1_0, 0), (self.wxgui_scopesink2_0_1_0_1, 1)) self.connect((self.gr_vector_source_x_0_0_0, 0), (self.gr_vector_to_stream_0_0_1_0, 0)) self.connect((self.pss_chan_est2_0, 0), (self.gr_multiply_xx_1, 1)) self.connect((self.gr_multiply_xx_1, 0), (self.sss_ml_fd_0, 0)) self.connect((self.gr_multiply_xx_1, 0), (self.gr_vector_to_stream_0_0, 0)) self.connect((self.pss_chan_est2_0, 0), (self.gr_multiply_xx_1_0, 0)) self.connect((self.gr_deinterleave_0, 1), (self.gr_multiply_xx_1_0, 1)) self.connect((self.gr_multiply_xx_1_0, 0), (self.gr_vector_to_stream_0_0_1, 0)) self.connect((self.gr_deinterleave_0, 1), (self.pss_chan_est2_0, 0)) self.connect((self.gr_vector_to_stream_0, 0), (self.gr_keep_m_in_n_0_0, 0)) self.connect((self.gr_keep_m_in_n_0_0, 0), (self.gr_stream_mux_0, 0)) self.connect((self.gr_keep_m_in_n_0, 0), (self.gr_stream_mux_0, 1)) self.connect((self.gr_stream_mux_0, 0), (self.gr_stream_to_vector_0_0, 0)) self.connect((self.gr_throttle_0, 0), (self.gr_stream_to_vector_0, 0)) self.connect((self.gr_null_source_0, 0), (self.blks2_selector_0, 1)) self.connect((self.gr_null_source_0, 0), (self.blks2_selector_0, 2)) self.connect((self.sss_ml_fd_0, 0), (self.wxgui_scopesink2_0_1, 0)) self.connect((self.gr_deinterleave_0, 0), (self.gr_multiply_xx_1, 0))
def __init__(self,
freq_corr=0,
avg_frames=1,
decim=16,
N_id_2=0,
N_id_1=134):
grc_wxgui.top_block_gui.__init__(self, title="Sss Corr5 Gui")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Parameters
##################################################
self.freq_corr = freq_corr
self.avg_frames = avg_frames
self.decim = decim
self.N_id_2 = N_id_2
self.N_id_1 = N_id_1
##################################################
# Variables
##################################################
self.vec_half_frame = vec_half_frame = 30720 * 5 / decim
self.symbol_start = symbol_start = 144 / decim
self.slot_0_10 = slot_0_10 = 1
self.samp_rate = samp_rate = 30720e3 / decim
self.rot = rot = 0
self.noise_level = noise_level = 0
self.fft_size = fft_size = 2048 / decim
self.N_re = N_re = 62
##################################################
# Blocks
##################################################
_rot_sizer = wx.BoxSizer(wx.VERTICAL)
self._rot_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_rot_sizer,
value=self.rot,
callback=self.set_rot,
label='rot',
converter=forms.float_converter(),
proportion=0,
)
self._rot_slider = forms.slider(
parent=self.GetWin(),
sizer=_rot_sizer,
value=self.rot,
callback=self.set_rot,
minimum=0,
maximum=1,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_rot_sizer)
self.notebook_0 = self.notebook_0 = wx.Notebook(self.GetWin(),
style=wx.NB_TOP)
self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "SSS ML")
self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "SSS equ")
self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "SSS in")
self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "PSS equ")
self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "PSS ch est")
self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "foo")
self.Add(self.notebook_0)
_noise_level_sizer = wx.BoxSizer(wx.VERTICAL)
self._noise_level_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_noise_level_sizer,
value=self.noise_level,
callback=self.set_noise_level,
label='noise_level',
converter=forms.float_converter(),
proportion=0,
)
self._noise_level_slider = forms.slider(
parent=self.GetWin(),
sizer=_noise_level_sizer,
value=self.noise_level,
callback=self.set_noise_level,
minimum=0,
maximum=10,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_noise_level_sizer)
self.wxgui_scopesink2_0_1_0_1 = scopesink2.scope_sink_c(
self.notebook_0.GetPage(3).GetWin(),
title="Scope Plot",
sample_rate=samp_rate,
v_scale=0,
v_offset=0,
t_scale=0,
ac_couple=False,
xy_mode=False,
num_inputs=2,
trig_mode=gr.gr_TRIG_MODE_AUTO,
y_axis_label="Counts",
)
self.notebook_0.GetPage(3).Add(self.wxgui_scopesink2_0_1_0_1.win)
self.wxgui_scopesink2_0_1_0_0 = scopesink2.scope_sink_c(
self.notebook_0.GetPage(2).GetWin(),
title="Scope Plot",
sample_rate=samp_rate,
v_scale=0,
v_offset=0,
t_scale=0,
ac_couple=False,
xy_mode=False,
num_inputs=1,
trig_mode=gr.gr_TRIG_MODE_AUTO,
y_axis_label="Counts",
)
self.notebook_0.GetPage(2).Add(self.wxgui_scopesink2_0_1_0_0.win)
self.wxgui_scopesink2_0_1_0 = scopesink2.scope_sink_c(
self.notebook_0.GetPage(1).GetWin(),
title="Scope Plot",
sample_rate=samp_rate,
v_scale=0,
v_offset=0,
t_scale=0,
ac_couple=False,
xy_mode=False,
num_inputs=1,
trig_mode=gr.gr_TRIG_MODE_AUTO,
y_axis_label="Counts",
)
self.notebook_0.GetPage(1).Add(self.wxgui_scopesink2_0_1_0.win)
self.wxgui_scopesink2_0_1 = scopesink2.scope_sink_f(
self.notebook_0.GetPage(0).GetWin(),
title="Scope Plot",
sample_rate=100 / avg_frames,
v_scale=0,
v_offset=0,
t_scale=0,
ac_couple=False,
xy_mode=False,
num_inputs=1,
trig_mode=gr.gr_TRIG_MODE_AUTO,
y_axis_label="Counts",
)
self.notebook_0.GetPage(0).Add(self.wxgui_scopesink2_0_1.win)
_symbol_start_sizer = wx.BoxSizer(wx.VERTICAL)
self._symbol_start_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_symbol_start_sizer,
value=self.symbol_start,
callback=self.set_symbol_start,
label='symbol_start',
converter=forms.int_converter(),
proportion=0,
)
self._symbol_start_slider = forms.slider(
parent=self.GetWin(),
sizer=_symbol_start_sizer,
value=self.symbol_start,
callback=self.set_symbol_start,
minimum=0,
maximum=144 / decim,
num_steps=144 / decim,
style=wx.SL_HORIZONTAL,
cast=int,
proportion=1,
)
self.Add(_symbol_start_sizer)
self.sss_ml_fd_0 = sss_ml_fd(
decim=decim,
avg_frames=avg_frames,
N_id_1=N_id_1,
N_id_2=N_id_2,
slot_0_10=slot_0_10,
)
self.pss_chan_est2_0 = pss_chan_est2(N_id_2=N_id_2, )
self.gr_vector_to_stream_0_0_1_0 = gr.vector_to_stream(
gr.sizeof_gr_complex * 1, N_re)
self.gr_vector_to_stream_0_0_1 = gr.vector_to_stream(
gr.sizeof_gr_complex * 1, N_re)
self.gr_vector_to_stream_0_0_0 = gr.vector_to_stream(
gr.sizeof_gr_complex * 1, N_re)
self.gr_vector_to_stream_0_0 = gr.vector_to_stream(
gr.sizeof_gr_complex * 1, N_re)
self.gr_vector_to_stream_0 = gr.vector_to_stream(
gr.sizeof_gr_complex * 1, fft_size)
self.gr_vector_source_x_0_0_0 = gr.vector_source_c(
(gen_pss_fd(N_id_2, N_re, False).get_data()), True, N_re)
self.gr_throttle_0 = gr.throttle(gr.sizeof_gr_complex * 1, samp_rate)
self.gr_stream_to_vector_0_0 = gr.stream_to_vector(
gr.sizeof_gr_complex * 1, N_re)
self.gr_stream_to_vector_0 = gr.stream_to_vector(
gr.sizeof_gr_complex * 1, fft_size)
self.gr_stream_mux_0 = gr.stream_mux(gr.sizeof_gr_complex * 1,
(N_re / 2, N_re / 2))
self.gr_null_source_0 = gr.null_source(gr.sizeof_gr_complex * 1)
self.gr_noise_source_x_0 = gr.noise_source_c(gr.GR_GAUSSIAN,
noise_level, 0)
self.gr_multiply_xx_1_0 = gr.multiply_vcc(N_re)
self.gr_multiply_xx_1 = gr.multiply_vcc(N_re)
self.gr_multiply_const_vxx_0 = gr.multiply_const_vcc(
(0.005 * exp(rot * 2 * numpy.pi * 1j), ))
self.gr_keep_m_in_n_0_0 = gr.keep_m_in_n(gr.sizeof_gr_complex,
N_re / 2, fft_size,
(fft_size - N_re) / 2 - 1)
self.gr_keep_m_in_n_0 = gr.keep_m_in_n(gr.sizeof_gr_complex, N_re / 2,
fft_size, (fft_size) / 2)
self.gr_file_source_0 = gr.file_source(
gr.sizeof_gr_complex * 1,
"/home/user/git/gr-lte/gr-lte/test/octave/foo_sss_td_in.cfile",
True)
self.gr_fft_vxx_0 = gr.fft_vcc(fft_size, True,
(window.blackmanharris(1024)), True, 1)
self.gr_deinterleave_0 = gr.deinterleave(gr.sizeof_gr_complex * N_re)
self.gr_channel_model_0 = gr.channel_model(
noise_voltage=0.005 * noise_level,
frequency_offset=0.0,
epsilon=1,
taps=(0.005 * exp(rot * 2 * numpy.pi * 1j), ),
noise_seed=0,
)
self.gr_add_xx_0 = gr.add_vcc(1)
self.blks2_selector_0_0 = grc_blks2.selector(
item_size=gr.sizeof_gr_complex * 1,
num_inputs=2,
num_outputs=1,
input_index=0,
output_index=0,
)
self.blks2_selector_0 = grc_blks2.selector(
item_size=gr.sizeof_gr_complex * 1,
num_inputs=3,
num_outputs=2,
input_index=0,
output_index=0,
)
##################################################
# Connections
##################################################
self.connect((self.gr_noise_source_x_0, 0), (self.gr_add_xx_0, 1))
self.connect((self.gr_add_xx_0, 0), (self.gr_multiply_const_vxx_0, 0))
self.connect((self.blks2_selector_0, 0), (self.gr_channel_model_0, 0))
self.connect((self.blks2_selector_0, 1), (self.gr_add_xx_0, 0))
self.connect((self.gr_channel_model_0, 0),
(self.blks2_selector_0_0, 0))
self.connect((self.gr_multiply_const_vxx_0, 0),
(self.blks2_selector_0_0, 1))
self.connect((self.gr_file_source_0, 0), (self.blks2_selector_0, 0))
self.connect((self.blks2_selector_0_0, 0), (self.gr_throttle_0, 0))
self.connect((self.gr_deinterleave_0, 0),
(self.gr_vector_to_stream_0_0_0, 0))
self.connect((self.gr_vector_to_stream_0_0_0, 0),
(self.wxgui_scopesink2_0_1_0_0, 0))
self.connect((self.gr_vector_to_stream_0_0, 0),
(self.wxgui_scopesink2_0_1_0, 0))
self.connect((self.gr_fft_vxx_0, 0), (self.gr_vector_to_stream_0, 0))
self.connect((self.gr_vector_to_stream_0, 0),
(self.gr_keep_m_in_n_0, 0))
self.connect((self.gr_stream_to_vector_0_0, 0),
(self.gr_deinterleave_0, 0))
self.connect((self.gr_stream_to_vector_0, 0), (self.gr_fft_vxx_0, 0))
self.connect((self.gr_vector_to_stream_0_0_1, 0),
(self.wxgui_scopesink2_0_1_0_1, 0))
self.connect((self.gr_vector_to_stream_0_0_1_0, 0),
(self.wxgui_scopesink2_0_1_0_1, 1))
self.connect((self.gr_vector_source_x_0_0_0, 0),
(self.gr_vector_to_stream_0_0_1_0, 0))
self.connect((self.pss_chan_est2_0, 0), (self.gr_multiply_xx_1, 1))
self.connect((self.gr_multiply_xx_1, 0), (self.sss_ml_fd_0, 0))
self.connect((self.gr_multiply_xx_1, 0),
(self.gr_vector_to_stream_0_0, 0))
self.connect((self.pss_chan_est2_0, 0), (self.gr_multiply_xx_1_0, 0))
self.connect((self.gr_deinterleave_0, 1), (self.gr_multiply_xx_1_0, 1))
self.connect((self.gr_multiply_xx_1_0, 0),
(self.gr_vector_to_stream_0_0_1, 0))
self.connect((self.gr_deinterleave_0, 1), (self.pss_chan_est2_0, 0))
self.connect((self.gr_vector_to_stream_0, 0),
(self.gr_keep_m_in_n_0_0, 0))
self.connect((self.gr_keep_m_in_n_0_0, 0), (self.gr_stream_mux_0, 0))
self.connect((self.gr_keep_m_in_n_0, 0), (self.gr_stream_mux_0, 1))
self.connect((self.gr_stream_mux_0, 0),
(self.gr_stream_to_vector_0_0, 0))
self.connect((self.gr_throttle_0, 0), (self.gr_stream_to_vector_0, 0))
self.connect((self.gr_null_source_0, 0), (self.blks2_selector_0, 1))
self.connect((self.gr_null_source_0, 0), (self.blks2_selector_0, 2))
self.connect((self.sss_ml_fd_0, 0), (self.wxgui_scopesink2_0_1, 0))
self.connect((self.gr_deinterleave_0, 0), (self.gr_multiply_xx_1, 0))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="DVB Simulator (GMSK)")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Variables
##################################################
self.signal = signal = 1
self.samp_rate = samp_rate = 32000
self.noise = noise = 10
##################################################
# Blocks
##################################################
_signal_sizer = wx.BoxSizer(wx.VERTICAL)
self._signal_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_signal_sizer,
value=self.signal,
callback=self.set_signal,
label="Signal",
converter=forms.float_converter(),
proportion=0,
)
self._signal_slider = forms.slider(
parent=self.GetWin(),
sizer=_signal_sizer,
value=self.signal,
callback=self.set_signal,
minimum=0,
maximum=1000,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_signal_sizer)
_noise_sizer = wx.BoxSizer(wx.VERTICAL)
self._noise_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_noise_sizer,
value=self.noise,
callback=self.set_noise,
label="Noise",
converter=forms.float_converter(),
proportion=0,
)
self._noise_slider = forms.slider(
parent=self.GetWin(),
sizer=_noise_sizer,
value=self.noise,
callback=self.set_noise,
minimum=0,
maximum=1000,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_noise_sizer)
self.gr_wavfile_source_0 = gr.wavfile_source(
"/home/traviscollins/GNURADIO/tfc_models/test.wav", False)
self.gr_throttle_0 = gr.throttle(gr.sizeof_float * 1, samp_rate)
self.gr_noise_source_x_0 = gr.noise_source_c(gr.GR_GAUSSIAN, noise, 42)
self.gr_multiply_const_vxx_0 = gr.multiply_const_vcc((signal, ))
self.gr_file_sink_1_0 = gr.file_sink(
gr.sizeof_float * 1,
"/home/traviscollins/GNURADIO/tfc_models/output_txt.wav")
self.gr_file_sink_1_0.set_unbuffered(False)
self.gr_channel_model_0 = gr.channel_model(
noise_voltage=20,
frequency_offset=0.0,
epsilon=1.0,
taps=(1.0 + 1.0j, ),
noise_seed=42,
)
self.gr_add_xx_0 = gr.add_vcc(1)
self.digital_gmsk_mod_0 = digital.gmsk_mod(
samples_per_symbol=2,
bt=0.35,
verbose=False,
log=False,
)
self.digital_gmsk_demod_0 = digital.gmsk_demod(
samples_per_symbol=2,
gain_mu=0.175,
mu=0.5,
omega_relative_limit=0.005,
freq_error=0.0,
verbose=False,
log=False,
)
self.blks2_packet_encoder_0 = grc_blks2.packet_mod_f(
grc_blks2.packet_encoder(
samples_per_symbol=2,
bits_per_symbol=1,
access_code="",
pad_for_usrp=True,
),
payload_length=0,
)
self.blks2_packet_decoder_0 = grc_blks2.packet_demod_f(
grc_blks2.packet_decoder(
access_code="",
threshold=-1,
callback=lambda ok, payload: self.blks2_packet_decoder_0.
recv_pkt(ok, payload),
), )
self.audio_sink_0 = audio.sink(samp_rate, "", True)
##################################################
# Connections
##################################################
self.connect((self.gr_noise_source_x_0, 0), (self.gr_add_xx_0, 1))
self.connect((self.gr_add_xx_0, 0), (self.digital_gmsk_demod_0, 0))
self.connect((self.blks2_packet_encoder_0, 0),
(self.digital_gmsk_mod_0, 0))
self.connect((self.digital_gmsk_mod_0, 0),
(self.gr_multiply_const_vxx_0, 0))
self.connect((self.gr_throttle_0, 0), (self.blks2_packet_encoder_0, 0))
self.connect((self.gr_throttle_0, 0), (self.gr_file_sink_1_0, 0))
self.connect((self.digital_gmsk_demod_0, 0),
(self.blks2_packet_decoder_0, 0))
self.connect((self.gr_multiply_const_vxx_0, 0),
(self.gr_channel_model_0, 0))
self.connect((self.gr_channel_model_0, 0), (self.gr_add_xx_0, 0))
self.connect((self.gr_wavfile_source_0, 0), (self.gr_throttle_0, 0))
self.connect((self.blks2_packet_decoder_0, 0), (self.audio_sink_0, 0))
def run_test(seed, blocksize):
tb = gr.top_block()
##################################################
# Variables
##################################################
M = 2
K = 1
P = 2
h = (1.0 * K) / P
L = 3
Q = 4
frac = 0.99
f = trellis.fsm(P, M, L)
# CPFSK signals
#p = numpy.ones(Q)/(2.0)
#q = numpy.cumsum(p)/(1.0*Q)
# GMSK signals
BT = 0.3
tt = numpy.arange(0, L * Q) / (1.0 * Q) - L / 2.0
#print tt
p = (0.5 * scipy.stats.erfc(2 * math.pi * BT * (tt - 0.5) / math.sqrt(
math.log(2.0)) / math.sqrt(2.0)) - 0.5 * scipy.stats.erfc(
2 * math.pi * BT *
(tt + 0.5) / math.sqrt(math.log(2.0)) / math.sqrt(2.0))) / 2.0
p = p / sum(p) * Q / 2.0
#print p
q = numpy.cumsum(p) / Q
q = q / q[-1] / 2.0
#print q
(f0T, SS, S, F, Sf, Ff,
N) = fsm_utils.make_cpm_signals(K, P, M, L, q, frac)
#print N
#print Ff
Ffa = numpy.insert(Ff, Q, numpy.zeros(N), axis=0)
#print Ffa
MF = numpy.fliplr(numpy.transpose(Ffa))
#print MF
E = numpy.sum(numpy.abs(Sf)**2, axis=0)
Es = numpy.sum(E) / f.O()
#print Es
constellation = numpy.reshape(numpy.transpose(Sf), N * f.O())
#print Ff
#print Sf
#print constellation
#print numpy.max(numpy.abs(SS - numpy.dot(Ff , Sf)))
EsN0_db = 10.0
N0 = Es * 10.0**(-(1.0 * EsN0_db) / 10.0)
#N0 = 0.0
#print N0
head = 4
tail = 4
numpy.random.seed(seed * 666)
data = numpy.random.randint(0, M, head + blocksize + tail + 1)
#data = numpy.zeros(blocksize+1+head+tail,'int')
for i in range(head):
data[i] = 0
for i in range(tail + 1):
data[-i] = 0
##################################################
# Blocks
##################################################
random_source_x_0 = gr.vector_source_b(data.tolist(), False)
gr_chunks_to_symbols_xx_0 = gr.chunks_to_symbols_bf((-1, 1), 1)
gr_interp_fir_filter_xxx_0 = gr.interp_fir_filter_fff(Q, p)
gr_frequency_modulator_fc_0 = gr.frequency_modulator_fc(2 * math.pi * h *
(1.0 / Q))
gr_add_vxx_0 = gr.add_vcc(1)
gr_noise_source_x_0 = gr.noise_source_c(gr.GR_GAUSSIAN, (N0 / 2.0)**0.5,
-long(seed))
gr_multiply_vxx_0 = gr.multiply_vcc(1)
gr_sig_source_x_0 = gr.sig_source_c(Q, gr.GR_COS_WAVE, -f0T, 1, 0)
# only works for N=2, do it manually for N>2...
gr_fir_filter_xxx_0_0 = gr.fir_filter_ccc(Q, MF[0].conjugate())
gr_fir_filter_xxx_0_0_0 = gr.fir_filter_ccc(Q, MF[1].conjugate())
gr_streams_to_stream_0 = gr.streams_to_stream(gr.sizeof_gr_complex * 1,
int(N))
gr_skiphead_0 = gr.skiphead(gr.sizeof_gr_complex * 1, int(N * (1 + 0)))
viterbi = trellis.viterbi_combined_cb(f, head + blocksize + tail, 0, -1,
int(N), constellation,
digital.TRELLIS_EUCLIDEAN)
gr_vector_sink_x_0 = gr.vector_sink_b()
##################################################
# Connections
##################################################
tb.connect((random_source_x_0, 0), (gr_chunks_to_symbols_xx_0, 0))
tb.connect((gr_chunks_to_symbols_xx_0, 0), (gr_interp_fir_filter_xxx_0, 0))
tb.connect((gr_interp_fir_filter_xxx_0, 0),
(gr_frequency_modulator_fc_0, 0))
tb.connect((gr_frequency_modulator_fc_0, 0), (gr_add_vxx_0, 0))
tb.connect((gr_noise_source_x_0, 0), (gr_add_vxx_0, 1))
tb.connect((gr_add_vxx_0, 0), (gr_multiply_vxx_0, 0))
tb.connect((gr_sig_source_x_0, 0), (gr_multiply_vxx_0, 1))
tb.connect((gr_multiply_vxx_0, 0), (gr_fir_filter_xxx_0_0, 0))
tb.connect((gr_multiply_vxx_0, 0), (gr_fir_filter_xxx_0_0_0, 0))
tb.connect((gr_fir_filter_xxx_0_0, 0), (gr_streams_to_stream_0, 0))
tb.connect((gr_fir_filter_xxx_0_0_0, 0), (gr_streams_to_stream_0, 1))
tb.connect((gr_streams_to_stream_0, 0), (gr_skiphead_0, 0))
tb.connect((gr_skiphead_0, 0), (viterbi, 0))
tb.connect((viterbi, 0), (gr_vector_sink_x_0, 0))
tb.run()
dataest = gr_vector_sink_x_0.data()
#print data
#print numpy.array(dataest)
perr = 0
err = 0
for i in range(blocksize):
if data[head + i] != dataest[head + i]:
#print i
err += 1
if err != 0:
perr = 1
return (err, perr)
def __init__(
self,
vehicle_speed,
carrier_freq,
chan_rate,
chan_seed,
chan_pwrs,
path_delays,
flag_indep=False,
flag_norm=True,
):
gr.hier_block2.__init__(
self,
"multipath_rayleigh_cc",
gr.io_signature(1, 1, gr.sizeof_gr_complex * 1), # Input signature
gr.io_signature(1, 1, gr.sizeof_gr_complex * 1),
) # Output signature
# Define blocks and connect them
##################################################
# Parameters
##################################################
self.vehicle_speed = vehicle_speed
self.chan_rate = chan_rate
self.carrier_freq = carrier_freq
self.chan_pwrs = chan_pwrs
self.path_delays_us = path_delays
self.chan_seed = chan_seed
self.mode = 1 # Enables fading for underlaying single path fading block
# Checks that there is the same number of delays as there are powers.
if len(self.chan_pwrs) != len(self.path_delays_us):
raise ValueError, "The vector length of chan_pwrs does not match the vector length of path_delays."
# Could this be improved?
sys.exit(1)
##################################################
# Constants
##################################################
# Speed of light in km/h
speed_of_light = 3e8 * 3.6
##################################################
# Variables
##################################################
# vehicle_speed (km/h), carrier_freq (Hz) and speed_of_light (km/h)
# units: (km/h * Hz) / (km/h) = Hz.
fd = (vehicle_speed * carrier_freq) / speed_of_light
# channel rate in samples/micro-seconds
chan_rate_us = chan_rate * 1e-6
# stores the path delays translated from micro-seconds to
# equivalent delays in samples (based on the channel rate)
self.path_delays_samples = path_delays_samples = np.round(np.array(self.path_delays_us) * chan_rate_us)
self.fD = fD = (((1.0 * vehicle_speed / 3.6) * carrier_freq) / 3e8) * (1.0 / chan_rate)
print "self.fD =", self.fD
# 'T' is the inverse channel rate.
self.fdT = fd * (1.0 / chan_rate)
# Testing only
print "self.fdT = ", self.fdT
# Warn the user of the limited channel delay resolution
if chan_rate_us < 1:
print "Warning: at a channel rate of ", chan_rate, " samples/s the delay resolution is ", 1.0 / chan_rate, "seconds"
self.c2f_blks = [] # for list of gr.complex_to_float().
self.delay_blks = [] # for list of gr.filter_delay_fc ().
self.chan_blks = [] # for list of tait.flat_rayleigh_channel_cc().
# For testing only
print "path delays in samples ", self.path_delays_samples
# Normalizes the channel powers if required
if flag_norm is True:
self.chan_pwrs = 1.0 * np.array(chan_pwrs) / np.sqrt((chan_pwrs ** 2).sum(-1))
# Populate the lists above with the correct number of blocks.
for i in range(len(self.path_delays_samples)):
print "create delay block %d" % (i)
# Delay block is required.
self.delay_blks.append(gr.delay(gr.sizeof_gr_complex * 1, int(self.path_delays_samples[i])))
self.chan_blks.append(
rccBlocks.channelModel_cc(chan_seed + i, self.fdT, self.chan_pwrs[i], flag_indep, self.mode)
)
self.sum = gr.add_vcc(1)
# Create multiple instances of the "src -> delay -> channel" connection.
for i in range(len(self.chan_blks)):
print i
self.connect((self, 0), (self.chan_blks[i], 0))
self.connect((self.chan_blks[i], 0), (self.delay_blks[i], 0))
self.connect((self.delay_blks[i], 0), (self.sum, i))
# self.connect( (self,0), (self.chan_blks[0],0) )
# self.connect( (self.chan_blks[0],0), (self.delay_blks[0],0) )
# self.connect( (self.delay_blks[0],0), (self, 0) )
self.connect((self.sum, 0), (self, 0))
def __init__(self,vehicle_speed,carrier_freq,chan_rate,chan_seed,chan_pwrs,path_delays,flag_indep=False,flag_norm=True):
gr.hier_block2.__init__(self,
"multipath_rayleigh_cc",
gr.io_signature(1, 1, gr.sizeof_gr_complex*1), # Input signature
gr.io_signature(1, 1, gr.sizeof_gr_complex*1)) # Output signature
# Define blocks and connect them
##################################################
# Parameters
##################################################
self.vehicle_speed = vehicle_speed
self.chan_rate = chan_rate
self.carrier_freq = carrier_freq
self.chan_pwrs = chan_pwrs
self.path_delays_us = path_delays
self.chan_seed = chan_seed
self.mode = 1 #Enables fading for underlaying single path fading block
# Checks that there is the same number of delays as there are powers.
if len(self.chan_pwrs) != len(self.path_delays_us):
raise ValueError, "The vector length of chan_pwrs does not match the vector length of path_delays."
# Could this be improved?
sys.exit(1)
##################################################
# Constants
##################################################
# Speed of light in km/h
speed_of_light = 3e8 * 3.6
##################################################
# Variables
##################################################
# vehicle_speed (km/h), carrier_freq (Hz) and speed_of_light (km/h)
# units: (km/h * Hz) / (km/h) = Hz.
fd = (vehicle_speed * carrier_freq) / speed_of_light
# channel rate in samples/micro-seconds
chan_rate_us = chan_rate * 1e-6
# stores the path delays translated from micro-seconds to
# equivalent delays in samples (based on the channel rate)
self.path_delays_samples = path_delays_samples = np.round(np.array(self.path_delays_us)*chan_rate_us)
self.fD = fD = (((1.0*vehicle_speed/3.6)*carrier_freq)/3e8)*(1.0/chan_rate)
print 'self.fD =', self.fD
# 'T' is the inverse channel rate.
self.fdT = fd * (1.0 / chan_rate)
# Testing only
print "self.fdT = ", self.fdT
# Warn the user of the limited channel delay resolution
if chan_rate_us < 1:
print "Warning: at a channel rate of ", chan_rate, \
" samples/s the delay resolution is ", 1.0/chan_rate, "seconds"
self.c2f_blks = [] # for list of gr.complex_to_float().
self.delay_blks = [] # for list of gr.filter_delay_fc ().
self.chan_blks = [] # for list of tait.flat_rayleigh_channel_cc().
# For testing only
print "path delays in samples ", self.path_delays_samples
# Normalizes the channel powers if required
if flag_norm is True:
self.chan_pwrs = 1.0*np.array(chan_pwrs)/np.sqrt((chan_pwrs ** 2).sum(-1))
# Populate the lists above with the correct number of blocks.
for i in range (len(self.path_delays_samples)):
print "create delay block %d" %(i)
# Delay block is required.
self.delay_blks.append(gr.delay(gr.sizeof_gr_complex*1, int(self.path_delays_samples[i])))
self.chan_blks.append(rccBlocks.channelModel_cc(chan_seed + i, self.fdT, self.chan_pwrs[i], flag_indep,self.mode))
self.sum = gr.add_vcc(1)
# Create multiple instances of the "src -> delay -> channel" connection.
for i in range (len(self.chan_blks)):
print i
self.connect( (self,0), (self.chan_blks[i],0) )
self.connect( (self.chan_blks[i],0), (self.delay_blks[i],0) )
self.connect( (self.delay_blks[i],0), (self.sum, i) )
#self.connect( (self,0), (self.chan_blks[0],0) )
#self.connect( (self.chan_blks[0],0), (self.delay_blks[0],0) )
#self.connect( (self.delay_blks[0],0), (self, 0) )
self.connect((self.sum, 0), (self,0) )
def __init__(self, modulator, options):
gr.top_block.__init__(self)
self.txpath = []
use_sink = None
if options.tx_freq is not None:
# Work-around to get the modulation's bits_per_symbol
args = modulator.extract_kwargs_from_options(options)
symbol_rate = options.bitrate / modulator(**args).bits_per_symbol()
self.sink = uhd_transmitter(
options.args,
symbol_rate,
options.samples_per_symbol,
options.tx_freq,
options.tx_gain,
options.spec,
options.antenna,
options.verbose,
)
sample_rate = self.sink.get_sample_rate()
options.samples_per_symbol = self.sink._sps
use_sink = self.sink
elif options.to_file is not None:
sys.stderr.write(("Saving samples to '%s'.\n\n" % (options.to_file)))
self.sink = gr.file_sink(gr.sizeof_gr_complex, options.to_file)
self.throttle = gr.throttle(gr.sizeof_gr_complex * 1, options.file_samp_rate)
self.connect(self.throttle, self.sink)
use_sink = self.throttle
else:
sys.stderr.write("No sink defined, dumping samples to null sink.\n\n")
self.sink = gr.null_sink(gr.sizeof_gr_complex)
# do this after for any adjustments to the options that may
# occur in the sinks (specifically the UHD sink)
self.txpath.append(transmit_path(modulator, options))
self.txpath.append(transmit_path(modulator, options))
samp_rate = 0
if options.tx_freq is not None:
samp_rate = self.sink.get_sample_rate()
else:
samp_rate = options.file_samp_rate
volume = options.split_amplitude
band_transition = options.band_trans_width
low_transition = options.low_trans_width
guard_width = options.guard_width
self.low_pass_filter_qv0 = gr.interp_fir_filter_ccf(
2, firdes.low_pass(1, samp_rate, samp_rate / 4 - guard_width / 2, low_transition, firdes.WIN_HAMMING, 6.76)
)
self.freq_translate_qv0 = filter.freq_xlating_fir_filter_ccc(1, (options.num_taps,), samp_rate / 4, samp_rate)
self.band_pass_filter_qv0 = gr.fir_filter_ccc(
1,
firdes.complex_band_pass(
1, samp_rate, -samp_rate / 2 + guard_width, 0 - guard_width, band_transition, firdes.WIN_HAMMING, 6.76
),
)
self.low_pass_filter_qv1 = gr.interp_fir_filter_ccf(
2, firdes.low_pass(1, samp_rate, samp_rate / 4 - guard_width / 2, low_transition, firdes.WIN_HAMMING, 6.76)
)
self.freq_translate_qv1 = filter.freq_xlating_fir_filter_ccc(1, (options.num_taps,), -samp_rate / 4, samp_rate)
self.band_pass_filter_qv1 = gr.fir_filter_ccc(
1,
firdes.complex_band_pass(
1, samp_rate, 0 + guard_width, samp_rate / 2 - guard_width, band_transition, firdes.WIN_HAMMING, 6.76
),
)
self.combiner = gr.add_vcc(1)
self.volume_multiply = blocks.multiply_const_vcc((volume,))
self.connect((self.txpath[0], 0), (self.low_pass_filter_qv0, 0))
self.connect((self.txpath[1], 0), (self.low_pass_filter_qv1, 0))
self.connect((self.low_pass_filter_qv0, 0), (self.freq_translate_qv0, 0))
self.connect((self.freq_translate_qv0, 0), (self.band_pass_filter_qv0, 0))
self.connect((self.low_pass_filter_qv1, 0), (self.freq_translate_qv1, 0))
self.connect((self.freq_translate_qv1, 0), (self.band_pass_filter_qv1, 0))
self.connect((self.band_pass_filter_qv0, 0), (self.combiner, 0))
self.connect((self.band_pass_filter_qv1, 0), (self.combiner, 1))
self.connect((self.combiner, 0), (self.volume_multiply, 0))
self.connect(self.volume_multiply, use_sink)
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Top Block")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 10000000
##################################################
# Blocks
##################################################
self.wxgui_fftsink2_0_0 = fftsink2.fft_sink_c(
self.GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title="FFT Plot",
peak_hold=False,
)
self.Add(self.wxgui_fftsink2_0_0.win)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title="FFT Plot",
peak_hold=False,
)
self.Add(self.wxgui_fftsink2_0.win)
self.random_source_x_0 = gr.vector_source_b(map(int, numpy.random.randint(0, 2, 1000)), True)
self.gr_vector_to_stream_0 = gr.vector_to_stream(gr.sizeof_gr_complex * 1, 512)
self.gr_throttle_0 = gr.throttle(gr.sizeof_gr_complex * 1, samp_rate)
self.gr_sub_xx_0 = gr.sub_cc(512)
self.gr_stream_to_vector_0 = gr.stream_to_vector(gr.sizeof_gr_complex * 1, 512)
self.gr_file_source_1 = gr.file_source(
gr.sizeof_gr_complex * 512, "/home/traviscollins/git/BLISS/Matlab/Spectral_Subtraction/hilbert.txt", True
)
self.gr_file_source_0 = gr.file_source(
gr.sizeof_float * 1, "/home/traviscollins/git/BLISS/Matlab/Spectral_Subtraction/INPUT.txt", True
)
self.gr_file_sink_0 = gr.file_sink(
gr.sizeof_float * 1, "/home/traviscollins/git/BLISS/Matlab/Spectral_Subtraction/OUTPUT.txt"
)
self.gr_file_sink_0.set_unbuffered(False)
self.gr_add_xx_0 = gr.add_vcc(1)
self.fft_vxx_1 = fft.fft_vcc(512, False, (window.blackmanharris(1024)), True, 1)
self.fft_vxx_0 = fft.fft_vcc(512, True, (window.blackmanharris(1024)), True, 1)
self.digital_ofdm_mod_0 = grc_blks2.packet_mod_f(
digital.ofdm_mod(
options=grc_blks2.options(
modulation="bpsk",
fft_length=512,
occupied_tones=200,
cp_length=128,
pad_for_usrp=True,
log=None,
verbose=None,
)
),
payload_length=0,
)
self.digital_ofdm_demod_0 = grc_blks2.packet_demod_f(
digital.ofdm_demod(
options=grc_blks2.options(
modulation="bpsk", fft_length=512, occupied_tones=200, cp_length=128, snr=10, log=None, verbose=None
),
callback=lambda ok, payload: self.digital_ofdm_demod_0.recv_pkt(ok, payload),
)
)
self.digital_dxpsk_mod_0 = digital.dbpsk_mod(
samples_per_symbol=2, excess_bw=0.35, gray_coded=True, verbose=False, log=False
)
##################################################
# Connections
##################################################
self.connect((self.gr_file_source_0, 0), (self.digital_ofdm_mod_0, 0))
self.connect((self.digital_ofdm_demod_0, 0), (self.gr_file_sink_0, 0))
self.connect((self.gr_stream_to_vector_0, 0), (self.fft_vxx_0, 0))
self.connect((self.random_source_x_0, 0), (self.digital_dxpsk_mod_0, 0))
self.connect((self.digital_ofdm_mod_0, 0), (self.gr_add_xx_0, 0))
self.connect((self.digital_dxpsk_mod_0, 0), (self.gr_add_xx_0, 1))
self.connect((self.gr_add_xx_0, 0), (self.gr_throttle_0, 0))
self.connect((self.gr_throttle_0, 0), (self.gr_stream_to_vector_0, 0))
self.connect((self.fft_vxx_0, 0), (self.gr_sub_xx_0, 0))
self.connect((self.gr_file_source_1, 0), (self.gr_sub_xx_0, 1))
self.connect((self.gr_vector_to_stream_0, 0), (self.digital_ofdm_demod_0, 0))
self.connect((self.gr_vector_to_stream_0, 0), (self.wxgui_fftsink2_0, 0))
self.connect((self.gr_add_xx_0, 0), (self.wxgui_fftsink2_0_0, 0))
self.connect((self.gr_sub_xx_0, 0), (self.fft_vxx_1, 0))
self.connect((self.fft_vxx_1, 0), (self.gr_vector_to_stream_0, 0))
