def device_definition(options):
"""
Definition of the devices used in the program.
@param options
"""
tb = OpERAFlow(name="US")
bits_per_symbol = 2
modulator = grc_blks2.packet_mod_b(
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,
)
uhd_source = UHDSourceDummy(modulator=modulator, f=change_status_fun)
uhd_source.pre_connect(tb) # Gambi
the_source = AWGNChannel(bits_per_symbol=bits_per_symbol, component=uhd_source)
algorithm = None
if options.sensing == "ed":
sensing = EnergySSArch(fft_size=1024, mavg_size=1)
algorithm = EnergyDecision(options.th)
sink = EnergyDetector(1024, algorithm)
elif options.sensing == "wfd":
sensing = WaveformSSArch(fft_size=1024)
algorithm = WaveformDecision(options.th)
sink = WaveformDetector(1024, algorithm)
elif options.sensing == "cfd":
sensing = CycloSSArch(64, 16, 4)
from sensing import CycloDecision
algorithm = CycloDecision(64, 16, 4, options.th)
sink = CycloDetector(64, 16, 4, algorithm)
else:
raise AttributeError
radio = RadioDevice(name="radio")
radio.add_arch(source=the_source, arch=sensing, sink=sink, uhd_device=uhd_source, name="sensing")
tb.add_radio(radio, "radio")
return tb, radio, algorithm
def device_definition(options):
"""
Definition of the devices used in the program.
@param options
"""
tb = OpERAFlow(name='US')
bits_per_symbol = 2
modulator = grc_blks2.packet_mod_b(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,
)
uhd_source = UHDSourceDummy(modulator=modulator)
uhd_source.pre_connect(tb) # Gambi
the_source = AWGNChannel(component=uhd_source, bits_per_symbol = bits_per_symbol)
arch1 = EnergySSArch(fft_size=1024, mavg_size=1)
algo1 = EnergyDecision(options.th['ed'])
if options.sensing == "wfd":
arch2 = WaveformSSArch(fft_size=1024)
algo2 = WaveformDecision(options.th['wfd'])
elif options.sensing == 'cfd':
arch2 = CycloSSArch(64, 16, 4)
from sensing import CycloDecision
algo2 = CycloDecision(64, 16, 4, options.th['cfd'])
else:
raise AttributeError
hier = HierarchicalSSArch(1024, algo1=algo1, algo2=algo2)
radio = RadioDevice(name="radio")
radio.add_arch(source=the_source, arch=arch1, sink=(hier, 0), uhd_device=uhd_source, name='ed')
radio.add_arch(source=the_source, arch=arch2, sink=(hier, 1), uhd_device=uhd_source, name='sensing')
tb.add_radio(radio, "radio")
return tb, radio, algo1, algo1
modulator = grc_blks2.packet_mod_b(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,
)
src = UHDSourceDummy(modulator=modulator)
the_source = AWGNChannel(component=src)
from sensing import CycloSSArch
from sensing import CycloDecision
cyclo_fam = CycloSSArch(Np, P, L)
algorithm = CycloDecision(1024, 2, 512, 1)
cyclo_sink = CycloDetector(Np, P, L, algorithm)
the_source._component.set_active_freqs([1, ])
the_source._component.set_center_freq(0)
tb = gr.top_block()
src.pre_connect(tb)