def test_003_active_subcarriers(self):
n_frames = 1
timeslots = 9
subcarriers = 32
active_subcarriers = 20
overlap = 2
f_taps = filters.get_frequency_domain_filter('rrc', .5, timeslots,
subcarriers, overlap)
gfdm_constellation = digital.constellation_qpsk().base()
subcarrier_map = get_subcarrier_map(subcarriers, active_subcarriers)
data = get_random_qpsk(n_frames * timeslots * active_subcarriers)
src = blocks.vector_source_c(data)
mapper = gfdm.resource_mapper_cc(timeslots, subcarriers,
active_subcarriers, subcarrier_map,
True)
mod = gfdm.simple_modulator_cc(timeslots, subcarriers, overlap, f_taps)
demod = gfdm.advanced_receiver_sb_cc(timeslots, subcarriers, overlap,
64, f_taps, gfdm_constellation,
subcarrier_map, 0)
demapper = gfdm.resource_demapper_cc(timeslots, subcarriers,
active_subcarriers,
subcarrier_map, True)
snk = blocks.vector_sink_c()
self.tb.connect(src, mapper, mod, demod, demapper, snk)
self.tb.run()
res = np.array(snk.data())
self.assertComplexTuplesAlmostEqual(data, res, 2)
def test_002_subcarrier_first(self):
timeslots = 9
subcarriers = 32
active_subcarriers = 20
subcarrier_map = get_subcarrier_map(subcarriers, active_subcarriers)
data = get_random_qpsk(10 * timeslots * active_subcarriers)
src = blocks.vector_source_c(data)
mapper = gfdm.resource_mapper_cc(timeslots, subcarriers, active_subcarriers, subcarrier_map, False)
demapper = gfdm.resource_demapper_cc(timeslots, subcarriers, active_subcarriers, subcarrier_map, False)
snk = blocks.vector_sink_c()
self.tb.connect(src, mapper, demapper, snk)
self.tb.run()
# check data
res = np.array(snk.data())
self.assertComplexTuplesAlmostEqual(data, res)
def test_002_subcarrier_first(self):
timeslots = 9
subcarriers = 32
active_subcarriers = 20
subcarrier_map = get_subcarrier_map(subcarriers, active_subcarriers)
data = get_random_qpsk(10 * timeslots * active_subcarriers)
src = blocks.vector_source_c(data)
mapper = gfdm.resource_mapper_cc(timeslots, subcarriers,
active_subcarriers, subcarrier_map,
False)
demapper = gfdm.resource_demapper_cc(timeslots, subcarriers,
active_subcarriers,
subcarrier_map, False)
snk = blocks.vector_sink_c()
self.tb.connect(src, mapper, demapper, snk)
self.tb.run()
# check data
res = np.array(snk.data())
self.assertComplexTuplesAlmostEqual(data, res)
def test_003_active_subcarriers(self):
n_frames = 1
timeslots = 9
subcarriers = 32
active_subcarriers = 20
overlap = 2
f_taps = filters.get_frequency_domain_filter('rrc', .5, timeslots, subcarriers, overlap)
gfdm_constellation = digital.constellation_qpsk().base()
subcarrier_map = get_subcarrier_map(subcarriers, active_subcarriers)
data = get_random_qpsk(n_frames * timeslots * active_subcarriers)
src = blocks.vector_source_c(data)
mapper = gfdm.resource_mapper_cc(timeslots, subcarriers, active_subcarriers, subcarrier_map, True)
mod = gfdm.simple_modulator_cc(timeslots, subcarriers, overlap, f_taps)
demod = gfdm.advanced_receiver_sb_cc(timeslots, subcarriers, overlap, 64, f_taps, gfdm_constellation, subcarrier_map)
demapper = gfdm.resource_demapper_cc(timeslots, subcarriers, active_subcarriers, subcarrier_map, True)
snk = blocks.vector_sink_c()
self.tb.connect(src, mapper, mod, demod, demapper, snk)
self.tb.run()
res = np.array(snk.data())
self.assertComplexTuplesAlmostEqual(data, res, 2)