def test_001_t(self):
num_frames = 5
total_subcarriers = 8
used_subcarriers = 4
channel_map = ft.get_channel_map(used_subcarriers, total_subcarriers)
payload_symbols = 8
overlap = 4
num_preamble_symbols = 4
payload = ft.get_payload(payload_symbols, used_subcarriers)
frame = ft.get_frame(payload, total_subcarriers, channel_map, payload_symbols, overlap)
frame = np.tile(frame, num_frames).flatten()
payload = np.tile(payload, num_frames).flatten()
# set up fg
src = blocks.vector_source_c(frame, repeat=False, vlen=total_subcarriers)
deframer = fbmc.deframer_vcb(used_subcarriers, total_subcarriers, num_preamble_symbols, payload_symbols, overlap, channel_map)
snk = blocks.vector_sink_b(1)
self.tb.connect(src, deframer, snk)
self.tb.run()
# check data
res = np.array(snk.data())
print res
print payload
self.assertTupleEqual(tuple(payload), tuple(res))
def test_001_frames(self):
num_frames = 501
total_subcarriers = 8
used_subcarriers = 4
channel_map = ft.get_channel_map(used_subcarriers, total_subcarriers)
payload_symbols = 8
overlap = 4
preamble = ft.get_preamble(total_subcarriers)
num_preamble_symbols = len(preamble) // total_subcarriers
payload = ft.get_payload(payload_symbols, used_subcarriers)
payload = np.tile(payload, num_frames).flatten()
src = blocks.vector_source_b(payload, repeat=False)
framer = fbmc.frame_generator_bvc(used_subcarriers, total_subcarriers,
payload_symbols, overlap,
channel_map, preamble)
deframer = fbmc.deframer_vcb(used_subcarriers, total_subcarriers,
num_preamble_symbols, payload_symbols,
overlap, channel_map)
snk = blocks.vector_sink_b(1)
self.tb.connect(src, framer, deframer, snk)
self.tb.run()
res = np.array(snk.data())
print res
print payload
self.assertTupleEqual(tuple(payload), tuple(res))
def test_001_frames(self):
num_frames = 501
total_subcarriers = 8
used_subcarriers = 4
channel_map = ft.get_channel_map(used_subcarriers, total_subcarriers)
payload_symbols = 8
overlap = 4
preamble = ft.get_preamble(total_subcarriers)
num_preamble_symbols = len(preamble) // total_subcarriers
payload = ft.get_payload(payload_symbols, used_subcarriers)
payload = np.tile(payload, num_frames).flatten()
src = blocks.vector_source_b(payload, repeat=False)
framer = fbmc.frame_generator_bvc(used_subcarriers, total_subcarriers, payload_symbols, overlap, channel_map, preamble)
deframer = fbmc.deframer_vcb(used_subcarriers, total_subcarriers, num_preamble_symbols, payload_symbols, overlap, channel_map)
snk = blocks.vector_sink_b(1)
self.tb.connect(src, framer, deframer, snk)
self.tb.run()
res = np.array(snk.data())
print res
print payload
self.assertTupleEqual(tuple(payload), tuple(res))
def test_001_t(self):
num_frames = 10
total_subcarriers = 8
used_subcarriers = 4
channel_map = ft.get_channel_map(used_subcarriers, total_subcarriers)
payload_symbols = 8
overlap = 4
preamble = ft.get_preamble(total_subcarriers)
payload = ft.get_payload(payload_symbols, used_subcarriers)
frame = ft.get_frame(payload, total_subcarriers, channel_map, payload_symbols, overlap)
frame = np.tile(frame, num_frames).flatten()
payload = np.tile(payload, num_frames).flatten()
# create and connect blocks
src = blocks.vector_source_b(payload, repeat=False)
framer = fbmc.frame_generator_bvc(used_subcarriers, total_subcarriers, payload_symbols, overlap, channel_map, preamble)
snk = blocks.vector_sink_c(total_subcarriers)
self.tb.connect(src, framer, snk)
print "framer.channel_map() = ", framer.channel_map()
# run fg
self.tb.run()
# check data
res = np.array(snk.data())
# print np.reshape(res.astype(float), (-1, total_subcarriers)).T
print "len(frame) =", len(frame)
print "len(res) =", len(res)
self.assertComplexTuplesAlmostEqual(frame, res[0:len(frame)])
def test_001_t(self):
num_frames = 5
total_subcarriers = 8
used_subcarriers = 4
channel_map = ft.get_channel_map(used_subcarriers, total_subcarriers)
payload_symbols = 8
overlap = 4
num_preamble_symbols = 4
payload = ft.get_payload(payload_symbols, used_subcarriers)
frame = ft.get_frame(payload, total_subcarriers, channel_map,
payload_symbols, overlap)
frame = np.tile(frame, num_frames).flatten()
payload = np.tile(payload, num_frames).flatten()
# set up fg
src = blocks.vector_source_c(frame,
repeat=False,
vlen=total_subcarriers)
deframer = fbmc.deframer_vcb(used_subcarriers, total_subcarriers,
num_preamble_symbols, payload_symbols,
overlap, channel_map)
snk = blocks.vector_sink_b(1)
self.tb.connect(src, deframer, snk)
self.tb.run()
# check data
res = np.array(snk.data())
print res
print payload
self.assertTupleEqual(tuple(payload), tuple(res))
def test_003_small_frame_mod(self):
num_frames = 300
total_subcarriers = 8
used_subcarriers = 4
channel_map = np.array(
(0, 0, 1, 1, 1, 1, 0,
0)) #ft.get_channel_map(used_subcarriers, total_subcarriers)
payload_symbols = 8
overlap = 4
taps = ft.generate_phydyas_filter(total_subcarriers, overlap)
preamble = ft.get_preamble(total_subcarriers)
num_preamble_symbols = len(preamble) // total_subcarriers
payload = ft.get_payload(payload_symbols, used_subcarriers)
payload = np.tile(payload, num_frames).flatten()
src = blocks.vector_source_b(payload, repeat=False)
framer = fbmc.frame_generator_bvc(used_subcarriers, total_subcarriers,
payload_symbols, overlap,
channel_map, preamble)
snk_frame = blocks.vector_sink_c(total_subcarriers) # a debug output
mod = fbmc.tx_sdft_vcc(taps, total_subcarriers)
demod = fbmc.rx_sdft_cvc(taps, total_subcarriers)
skipper = blocks.skiphead(8 * total_subcarriers, 4)
snk_rx = blocks.vector_sink_c(total_subcarriers)
deframer = fbmc.deframer_vcb(used_subcarriers, total_subcarriers,
num_preamble_symbols, payload_symbols,
overlap, channel_map)
snk = blocks.vector_sink_b(1)
self.tb.connect(src, framer, mod, demod, skipper, deframer, snk)
self.tb.connect(framer, snk_frame)
self.tb.connect(skipper, snk_rx)
self.tb.run()
res = np.array(snk.data())
print "len(res) = ", len(res), ", len(payload) = ", len(payload)
print "ref: ", payload
print "res: ", res
moddata = np.array(snk_frame.data())
print "len(moddata) = ", len(moddata)
rxdata = np.array(snk_rx.data())
print "len(rxdata) = ", len(
rxdata), " diff: ", len(moddata) - len(rxdata)
# plt.plot(rxdata.real * 0.03)
# for i in range(len(moddata)):
# if (i + 1) % total_subcarriers == 0:
# plt.axvline(i)
# plt.plot(moddata.real)
# plt.grid()
# plt.show()
print "len(payload) = ", len(payload)
print "len(result ) = ", len(res)
self.assertTupleEqual(tuple(payload[:len(res)]), tuple(res))
def test_004_config_frame_mod(self):
num_frames = 10
cfg = fbmc.fbmc_config(num_used_subcarriers=20, num_payload_sym=16, num_overlap_sym=4, modulation="QPSK",
preamble="IAM", samp_rate=250000)
total_subcarriers = cfg.num_total_subcarriers() # 8
used_subcarriers = cfg.num_used_subcarriers() # 4
channel_map = cfg.channel_map() # ft.get_channel_map(used_subcarriers, total_subcarriers)
payload_symbols = cfg.num_payload_sym() # 8
overlap = cfg.num_overlap_sym() # 4
taps = cfg.phydyas_impulse_taps(cfg.num_total_subcarriers(), cfg.num_overlap_sym()) # ft.generate_phydyas_filter(total_subcarriers, overlap)
preamble = ft.get_preamble(total_subcarriers)
num_preamble_symbols = len(preamble) // total_subcarriers
payload = ft.get_payload(payload_symbols, used_subcarriers)
payload = np.tile(payload, num_frames).flatten()
src = blocks.vector_source_b(payload, repeat=False)
framer = fbmc.frame_generator_bvc(used_subcarriers, total_subcarriers, payload_symbols, overlap, channel_map, preamble)
snk_frame = blocks.vector_sink_c(total_subcarriers) # a debug output
mod = fbmc.tx_sdft_vcc(taps, total_subcarriers)
demod = fbmc.rx_sdft_cvc(taps, total_subcarriers)
skipper = blocks.skiphead(8 * total_subcarriers, 4)
snk_rx = blocks.vector_sink_c(total_subcarriers)
deframer = fbmc.deframer_vcb(used_subcarriers, total_subcarriers, num_preamble_symbols, payload_symbols, overlap, channel_map)
snk = blocks.vector_sink_b(1)
self.tb.connect(src, framer, mod, demod, skipper, deframer, snk)
self.tb.connect(framer, snk_frame)
self.tb.connect(skipper, snk_rx)
self.tb.run()
res = np.array(snk.data())
print res
print payload
moddata = np.array(snk_frame.data())
print "len(moddata) = ", len(moddata)
rxdata = np.array(snk_rx.data())
print "len(rxdata) = ", len(rxdata)
# plt.plot(rxdata.real * 0.03)
# for i in range(len(moddata)):
# if (i + 1) % total_subcarriers == 0:
# plt.axvline(i)
# plt.plot(moddata.real)
# plt.grid()
# plt.show()
print "len(payload) = ", len(payload)
print "len(result) = ", len(res)
self.assertTupleEqual(tuple(payload[:len(res)]), tuple(res))
def test_003_small_frame_mod(self):
num_frames = 300
total_subcarriers = 8
used_subcarriers = 4
channel_map = np.array((0, 0, 1, 1, 1, 1, 0, 0)) #ft.get_channel_map(used_subcarriers, total_subcarriers)
payload_symbols = 8
overlap = 4
taps = ft.generate_phydyas_filter(total_subcarriers, overlap)
preamble = ft.get_preamble(total_subcarriers)
num_preamble_symbols = len(preamble) // total_subcarriers
payload = ft.get_payload(payload_symbols, used_subcarriers)
payload = np.tile(payload, num_frames).flatten()
src = blocks.vector_source_b(payload, repeat=False)
framer = fbmc.frame_generator_bvc(used_subcarriers, total_subcarriers, payload_symbols, overlap, channel_map, preamble)
snk_frame = blocks.vector_sink_c(total_subcarriers) # a debug output
mod = fbmc.tx_sdft_vcc(taps, total_subcarriers)
demod = fbmc.rx_sdft_cvc(taps, total_subcarriers)
skipper = blocks.skiphead(8 * total_subcarriers, 4)
snk_rx = blocks.vector_sink_c(total_subcarriers)
deframer = fbmc.deframer_vcb(used_subcarriers, total_subcarriers, num_preamble_symbols, payload_symbols, overlap, channel_map)
snk = blocks.vector_sink_b(1)
self.tb.connect(src, framer, mod, demod, skipper, deframer, snk)
self.tb.connect(framer, snk_frame)
self.tb.connect(skipper, snk_rx)
self.tb.run()
res = np.array(snk.data())
print "len(res) = ", len(res), ", len(payload) = ", len(payload)
print "ref: ", payload
print "res: ", res
moddata = np.array(snk_frame.data())
print "len(moddata) = ", len(moddata)
rxdata = np.array(snk_rx.data())
print "len(rxdata) = ", len(rxdata), " diff: ", len(moddata) - len(rxdata)
# plt.plot(rxdata.real * 0.03)
# for i in range(len(moddata)):
# if (i + 1) % total_subcarriers == 0:
# plt.axvline(i)
# plt.plot(moddata.real)
# plt.grid()
# plt.show()
print "len(payload) = ", len(payload)
print "len(result ) = ", len(res)
self.assertTupleEqual(tuple(payload[:len(res)]), tuple(res))
def test_001_t(self):
num_frames = 10
total_subcarriers = 8
used_subcarriers = 4
channel_map = ft.get_channel_map(used_subcarriers, total_subcarriers)
payload_symbols = 8
overlap = 4
preamble = ft.get_preamble(total_subcarriers)
payload = ft.get_payload(payload_symbols, used_subcarriers)
frame = ft.get_frame(payload, total_subcarriers, channel_map,
payload_symbols, overlap)
frame = np.tile(frame, num_frames).flatten()
payload = np.tile(payload, num_frames).flatten()
# create and connect blocks
src = blocks.vector_source_b(payload, repeat=False)
framer = fbmc.frame_generator_bvc(used_subcarriers, total_subcarriers,
payload_symbols, overlap,
channel_map, preamble)
snk = blocks.vector_sink_c(total_subcarriers)
self.tb.connect(src, framer, snk)
print "framer.channel_map() = ", framer.channel_map()
# run fg
self.tb.run()
# check data
res = np.array(snk.data())
# print np.reshape(res.astype(float), (-1, total_subcarriers)).T
print "len(frame) =", len(frame)
print "len(res) =", len(res)
self.assertComplexTuplesAlmostEqual(frame, res[0:len(frame)])
def test_004_config_frame_mod(self):
num_frames = 10
cfg = fbmc.fbmc_config(num_used_subcarriers=20,
num_payload_sym=16,
num_overlap_sym=4,
modulation="QPSK",
preamble="IAM",
samp_rate=250000)
total_subcarriers = cfg.num_total_subcarriers() # 8
used_subcarriers = cfg.num_used_subcarriers() # 4
channel_map = cfg.channel_map(
) # ft.get_channel_map(used_subcarriers, total_subcarriers)
payload_symbols = cfg.num_payload_sym() # 8
overlap = cfg.num_overlap_sym() # 4
taps = cfg.phydyas_impulse_taps(
cfg.num_total_subcarriers(), cfg.num_overlap_sym(
)) # ft.generate_phydyas_filter(total_subcarriers, overlap)
preamble = ft.get_preamble(total_subcarriers)
num_preamble_symbols = len(preamble) // total_subcarriers
payload = ft.get_payload(payload_symbols, used_subcarriers)
payload = np.tile(payload, num_frames).flatten()
src = blocks.vector_source_b(payload, repeat=False)
framer = fbmc.frame_generator_bvc(used_subcarriers, total_subcarriers,
payload_symbols, overlap,
channel_map, preamble)
snk_frame = blocks.vector_sink_c(total_subcarriers) # a debug output
mod = fbmc.tx_sdft_vcc(taps, total_subcarriers)
demod = fbmc.rx_sdft_cvc(taps, total_subcarriers)
skipper = blocks.skiphead(8 * total_subcarriers, 4)
snk_rx = blocks.vector_sink_c(total_subcarriers)
deframer = fbmc.deframer_vcb(used_subcarriers, total_subcarriers,
num_preamble_symbols, payload_symbols,
overlap, channel_map)
snk = blocks.vector_sink_b(1)
self.tb.connect(src, framer, mod, demod, skipper, deframer, snk)
self.tb.connect(framer, snk_frame)
self.tb.connect(skipper, snk_rx)
self.tb.run()
res = np.array(snk.data())
print res
print payload
moddata = np.array(snk_frame.data())
print "len(moddata) = ", len(moddata)
rxdata = np.array(snk_rx.data())
print "len(rxdata) = ", len(rxdata)
# plt.plot(rxdata.real * 0.03)
# for i in range(len(moddata)):
# if (i + 1) % total_subcarriers == 0:
# plt.axvline(i)
# plt.plot(moddata.real)
# plt.grid()
# plt.show()
print "len(payload) = ", len(payload)
print "len(result) = ", len(res)
self.assertTupleEqual(tuple(payload[:len(res)]), tuple(res))