def __init__(self, constellation, differential,
data_length=None, src_data=None):
"""
constellation -- a constellation object
differential -- whether differential encoding is used
data_length -- the number of bits of data to use
src_data -- a list of the bits to use
"""
super(rec_test_tb, self).__init__()
# Transmission Blocks
if src_data is None:
self.src_data = tuple([rndm.randint(0,1) for i in range(0, data_length)])
else:
self.src_data = src_data
packer = gr.unpacked_to_packed_bb(1, gr.GR_MSB_FIRST)
src = gr.vector_source_b(self.src_data)
mod = generic_mod(constellation, differential=differential)
# Channel
channel = gr.channel_model(NOISE_VOLTAGE, FREQUENCY_OFFSET, TIMING_OFFSET)
# Receiver Blocks
demod = generic_demod(constellation, differential=differential,
freq_bw=FREQ_BW,
phase_bw=PHASE_BW)
self.dst = gr.vector_sink_b()
self.connect(src, packer, mod, channel, demod, self.dst)
def __init__(self,
constellation,
differential,
data_length=None,
src_data=None):
"""
constellation -- a constellation object
differential -- whether differential encoding is used
data_length -- the number of bits of data to use
src_data -- a list of the bits to use
"""
super(rec_test_tb, self).__init__()
# Transmission Blocks
if src_data is None:
self.src_data = tuple(
[random.randint(0, 1) for i in range(0, data_length)])
else:
self.src_data = src_data
packer = gr.unpacked_to_packed_bb(1, gr.GR_MSB_FIRST)
src = gr.vector_source_b(self.src_data)
mod = generic_mod(constellation, differential=differential)
# Channel
channel = gr.channel_model(NOISE_VOLTAGE, FREQUENCY_OFFSET,
TIMING_OFFSET)
# Receiver Blocks
demod = generic_demod(constellation,
differential=differential,
freq_bw=FREQ_BW,
phase_bw=PHASE_BW)
self.dst = gr.vector_sink_b()
self.connect(src, packer, mod, channel, demod, self.dst)
def __init__(self, constellation, differential, data_length=None, src_data=None, freq_offset=True):
"""
Args:
constellation: a constellation object
differential: whether differential encoding is used
data_length: the number of bits of data to use
src_data: a list of the bits to use
freq_offset: whether to use a frequency offset in the channel
"""
super(rec_test_tb, self).__init__()
# Transmission Blocks
if src_data is None:
self.src_data = tuple([rndm.randint(0, 1) for i in range(0, data_length)])
else:
self.src_data = src_data
packer = blocks.unpacked_to_packed_bb(1, gr.GR_MSB_FIRST)
src = blocks.vector_source_b(self.src_data)
mod = generic_mod(constellation, differential=differential)
# Channel
if freq_offset:
channel = channel_model(NOISE_VOLTAGE, FREQUENCY_OFFSET, TIMING_OFFSET)
else:
channel = channel_model(NOISE_VOLTAGE, 0, TIMING_OFFSET)
# Receiver Blocks
if freq_offset:
demod = generic_demod(constellation, differential=differential, freq_bw=FREQ_BW, phase_bw=PHASE_BW)
else:
demod = generic_demod(constellation, differential=differential, freq_bw=0, phase_bw=0)
self.dst = blocks.vector_sink_b()
self.connect(src, packer, mod, channel, demod, self.dst)
def __init__(self,
constellation,
differential,
data_length=None,
src_data=None,
freq_offset=True):
"""
Args:
constellation: a constellation object
differential: whether differential encoding is used
data_length: the number of bits of data to use
src_data: a list of the bits to use
freq_offset: whether to use a frequency offset in the channel
"""
super(rec_test_tb, self).__init__()
# Transmission Blocks
if src_data is None:
self.src_data = tuple(
[rndm.randint(0, 1) for i in range(0, data_length)])
else:
self.src_data = src_data
packer = blocks.unpacked_to_packed_bb(1, gr.GR_MSB_FIRST)
src = blocks.vector_source_b(self.src_data)
mod = generic_mod(constellation, differential=differential)
# Channel
if freq_offset:
channel = channel_model(NOISE_VOLTAGE, FREQUENCY_OFFSET,
TIMING_OFFSET)
else:
channel = channel_model(NOISE_VOLTAGE, 0, TIMING_OFFSET)
# Receiver Blocks
if freq_offset:
demod = generic_demod(constellation,
differential=differential,
freq_bw=FREQ_BW,
phase_bw=PHASE_BW)
else:
demod = generic_demod(constellation,
differential=differential,
freq_bw=0,
phase_bw=0)
self.dst = blocks.vector_sink_b()
self.connect(src, packer, mod, channel, demod, self.dst)