def test_004_pcfich(self):
print "\ntest_004_pcfich"
cell_id = 124
ns = 0
N_ant = 2
vlen = 16
style = "tx_diversity"
self.tb2 = gr.top_block()
self.src = blocks.vector_source_c([0] * vlen, False, vlen)
self.demapper = lte.layer_demapper_vcvc(0, vlen, style)
self.snk = blocks.vector_sink_c(vlen)
self.tb2.connect(self.src, self.demapper, self.snk)
self.demapper.set_N_ant(N_ant)
data = []
exp_res = []
for cfi in range(4):
cfi_seq = lte_test.get_cfi_sequence(cfi + 1)
scr_cfi_seq = lte_test.scramble_cfi_sequence(cfi_seq, cell_id, ns)
mod_cfi_seq = lte_test.qpsk_modulation(scr_cfi_seq)
exp_res.extend(mod_cfi_seq)
lay_cfi_seq = lte_test.layer_mapping(mod_cfi_seq, N_ant, style)
for i in range(len(lay_cfi_seq)):
data.extend(lay_cfi_seq[i])
self.src.set_data(data)
self.tb2.run()
res = self.snk.data()
self.assertComplexTuplesAlmostEqual(res, exp_res)
def test_004_pcfich(self):
print "\ntest_004_pcfich"
cell_id = 124
ns = 0
N_ant = 2
vlen = 16
style = "tx_diversity"
self.tb2 = gr.top_block()
self.src = blocks.vector_source_c([0]*vlen,False,vlen)
self.demapper = lte_swig.layer_demapper_vcvc(0, vlen, style)
self.snk = blocks.vector_sink_c(vlen)
self.tb2.connect(self.src, self.demapper, self.snk)
self.demapper.set_N_ant(N_ant)
data = []
exp_res = []
for cfi in range(4):
cfi_seq = lte_test.get_cfi_sequence(cfi+1)
scr_cfi_seq = lte_test.scramble_cfi_sequence(cfi_seq, cell_id, ns)
mod_cfi_seq = lte_test.qpsk_modulation(scr_cfi_seq)
exp_res.extend(mod_cfi_seq)
lay_cfi_seq = lte_test.layer_mapping(mod_cfi_seq, N_ant, style)
for i in range(len(lay_cfi_seq)):
data.extend(lay_cfi_seq[i])
self.src.set_data(data)
self.tb2.run()
res = self.snk.data()
self.assertComplexTuplesAlmostEqual(res, exp_res)
def test_001_t(self):
cell_id = 124
N_ant = 2
tl = 1024
data = []
input_data = []
for i in range(tl / 4):
mib = lte_test.pack_mib(50, 0, 1.0, i * 4)
bch = tuple(lte_test.encode_bch(mib, N_ant))
p_scrambled = lte_test.pbch_scrambling(bch, cell_id)
input_data.extend(lte_test.nrz_encoding(p_scrambled))
mod = lte_test.qpsk_modulation(p_scrambled)
data.extend(mod)
self.src.set_data(data)
dbgs = blocks.file_sink(240 * gr.sizeof_gr_complex,
"/home/johannes/tests/demodulate.dat")
self.tb.connect(self.src, dbgs)
# set up fg
self.tb.run()
# check data
res = self.snk.data()
exp_res = tuple(
input_data
) #tuple([input_data[i]/math.sqrt(2) for i in range(len(input_data))])
print self.assertFloatTuplesAlmostEqual(res, exp_res, 5)
def test_001_generated(self):
print "\ntest_001_generated"
cell_id = 124
N_ant = 2
style = "tx_diversity"
mib = lte_test.pack_mib(50, 0, 1.0, 511)
bch = lte_test.encode_bch(mib, N_ant)
scrambled = lte_test.pbch_scrambling(bch, cell_id)
qpsk_modulated = lte_test.qpsk_modulation(scrambled)
#print np.shape(qpsk_modulated)
layer_mapped = lte_test.layer_mapping(qpsk_modulated, N_ant, style)
pre_coded = lte_test.pre_coding(layer_mapped, N_ant, style)
#print np.shape(pre_coded)
h0 = [complex(1, 0)] * len(pre_coded[0])
h1 = [complex(1, 0)] * len(pre_coded[1])
stream = [pre_coded[0][i] + pre_coded[1][i] for i in range(len(pre_coded[0]))]
self.src1.set_data(stream)
self.src2.set_data(h0)
self.src3.set_data(h1)
self.tb.run()
res = self.snk.data()
exp_res = []
for i in range(len(stream) / 240):
print i
lay0 = layer_mapped[0][i * 120:(i + 1) * 120]
lay1 = layer_mapped[1][i * 120:(i + 1) * 120]
comb = [lay0, lay1]
exp_res.extend(lte_test.prepare_for_demapper_block(comb, N_ant, style))
print "test 001 final ASSERT!"
print self.assertComplexTuplesAlmostEqual(res, exp_res)
def test_002_pcfich(self):
print "test_002_pcfich"
# some constants
cell_id = 124
N_ant = 2
style = "tx_diversity"
vlen = 16
ns = 0
# new top_block because even the interface changes
self.tb2 = gr.top_block()
# generate test data together with the expected output
data = []
exp_res = []
for cfi in range(4):
cfi_seq = lte_test.get_cfi_sequence(cfi + 1)
scr_cfi_seq = lte_test.scramble_cfi_sequence(cfi_seq, cell_id, ns)
mod_cfi_seq = lte_test.qpsk_modulation(scr_cfi_seq)
lay_cfi_seq = lte_test.layer_mapping(mod_cfi_seq, N_ant, style)
lay_cfi_prep = lte_test.prepare_for_demapper_block(
lay_cfi_seq, N_ant, style)
exp_res.extend(lay_cfi_prep)
pc_cfi_seq = lte_test.pre_coding(lay_cfi_seq, N_ant, style)
pc_cfi_seq = [
pc_cfi_seq[0][i] + pc_cfi_seq[1][i]
for i in range(len(pc_cfi_seq[0]))
]
data.extend(pc_cfi_seq)
# dummy channel estimates
intu2 = [complex(1, 0)] * len(data)
intu3 = [complex(1, 0)] * len(data)
# get blocks
self.src1 = blocks.vector_source_c(data, False, vlen)
self.src2 = blocks.vector_source_c(intu2, False, vlen)
self.src3 = blocks.vector_source_c(intu3, False, vlen)
self.pd = lte.pre_decoder_vcvc(1, 1, vlen, style)
self.snk = blocks.vector_sink_c(vlen)
# connect all blocks
self.tb2.connect(self.src1, (self.pd, 0))
self.tb2.connect(self.src2, (self.pd, 1))
self.tb2.connect(self.src3, (self.pd, 2))
self.tb2.connect(self.pd, self.snk)
self.pd.set_N_ant(N_ant)
# run flowgraph
self.tb2.run()
# compare result with expected result
res = self.snk.data()
self.assertComplexTuplesAlmostEqual(res, exp_res)
def test_002_pcfich(self):
print "test_002_pcfich"
# some constants
cell_id = 124
N_ant = 2
style = "tx_diversity"
vlen = 16
ns = 0
# new top_block because even the interface changes
self.tb2 = gr.top_block()
# generate test data together with the expected output
data = []
exp_res = []
for cfi in range(4):
cfi_seq = lte_test.get_cfi_sequence(cfi + 1)
scr_cfi_seq = lte_test.scramble_cfi_sequence(cfi_seq, cell_id, ns)
mod_cfi_seq = lte_test.qpsk_modulation(scr_cfi_seq)
lay_cfi_seq = lte_test.layer_mapping(mod_cfi_seq, N_ant, style)
lay_cfi_prep = lte_test.prepare_for_demapper_block(lay_cfi_seq, N_ant, style)
exp_res.extend(lay_cfi_prep)
pc_cfi_seq = lte_test.pre_coding(lay_cfi_seq, N_ant, style)
pc_cfi_seq = [pc_cfi_seq[0][i] + pc_cfi_seq[1][i] for i in range(len(pc_cfi_seq[0]))]
data.extend(pc_cfi_seq)
# dummy channel estimates
intu2 = [complex(1, 0)] * len(data)
intu3 = [complex(1, 0)] * len(data)
# get blocks
self.src1 = blocks.vector_source_c(data, False, vlen)
self.src2 = blocks.vector_source_c(intu2, False, vlen)
self.src3 = blocks.vector_source_c(intu3, False, vlen)
self.pd = lte.pre_decoder_vcvc(1, vlen, style)
self.snk = blocks.vector_sink_c(vlen)
# connect all blocks
self.tb2.connect(self.src1, (self.pd, 0))
self.tb2.connect(self.src2, (self.pd, 1))
self.tb2.connect(self.src3, (self.pd, 2))
self.tb2.connect(self.pd, self.snk)
self.pd.set_N_ant(N_ant)
# run flowgraph
self.tb2.run()
# compare result with expected result
res = self.snk.data()
self.assertComplexTuplesAlmostEqual(res, exp_res)
def test_001_t (self):
print "demodulation test"
mib = lte_test.pack_mib(50,0,1.0, 511)
bch = lte_test.encode_bch(mib, 2)
p_scrambled = lte_test.pbch_scrambling(bch, 124)
input_data = p_scrambled#[0:480]
qpsk_mod = lte_test.qpsk_modulation(input_data)
input_data = lte_test.nrz_encoding(input_data)
self.src.set_data(qpsk_mod)
# set up fg
self.tb.run ()
# check data
res = self.snk.data()
exp_res = tuple(input_data)#tuple([input_data[i]/math.sqrt(2) for i in range(len(input_data))])
print self.assertFloatTuplesAlmostEqual(res, exp_res, 5)
def test_001_generated(self):
print "\ntest_001_generated"
cell_id = 124
N_ant = 2
style = "tx_diversity"
mib = lte_test.pack_mib(50, 0, 1.0, 511)
bch = lte_test.encode_bch(mib, N_ant)
scrambled = lte_test.pbch_scrambling(bch, cell_id)
qpsk_modulated = lte_test.qpsk_modulation(scrambled)
#print np.shape(qpsk_modulated)
layer_mapped = lte_test.layer_mapping(qpsk_modulated, N_ant, style)
pre_coded = lte_test.pre_coding(layer_mapped, N_ant, style)
#print np.shape(pre_coded)
h0 = [complex(1, 0)] * len(pre_coded[0])
h1 = [complex(1, 0)] * len(pre_coded[1])
stream = [
pre_coded[0][i] + pre_coded[1][i] for i in range(len(pre_coded[0]))
]
self.src1.set_data(stream)
self.src2.set_data(h0)
self.src3.set_data(h1)
self.tb.run()
res = self.snk.data()
exp_res = []
for i in range(len(stream) / 240):
print i
lay0 = layer_mapped[0][i * 120:(i + 1) * 120]
lay1 = layer_mapped[1][i * 120:(i + 1) * 120]
comb = [lay0, lay1]
exp_res.extend(
lte_test.prepare_for_demapper_block(comb, N_ant, style))
print "test 001 final ASSERT!"
print self.assertComplexTuplesAlmostEqual(res, exp_res)
def test_001_t (self):
cell_id = 124
N_ant = 2
tl = 1024
data = []
input_data = []
for i in range(tl/4):
mib = lte_test.pack_mib(50,0,1.0, i*4)
bch = tuple(lte_test.encode_bch(mib, N_ant))
p_scrambled = lte_test.pbch_scrambling(bch, cell_id)
input_data.extend(lte_test.nrz_encoding(p_scrambled))
mod = lte_test.qpsk_modulation(p_scrambled)
data.extend(mod)
self.src.set_data(data)
dbgs = blocks.file_sink(240 * gr.sizeof_gr_complex, "/home/johannes/tests/demodulate.dat")
self.tb.connect(self.src, dbgs)
# set up fg
self.tb.run ()
# check data
res = self.snk.data()
exp_res = tuple(input_data)#tuple([input_data[i]/math.sqrt(2) for i in range(len(input_data))])
print self.assertFloatTuplesAlmostEqual(res, exp_res, 5)
def test_001_t(self):
cell_id = 124
N_ant = 2
tl = 1024
data = []
input_data = []
for i in range(tl / 4):
mib = lte_test.pack_mib(50, 0, 1.0, i * 4)
bch = tuple(lte_test.encode_bch(mib, N_ant))
p_scrambled = lte_test.pbch_scrambling(bch, cell_id)
input_data.extend(lte_test.nrz_encoding(p_scrambled))
mod = lte_test.qpsk_modulation(p_scrambled)
data.extend(mod)
self.src.set_data(data)
# set up fg
self.tb.run()
# check data
res = self.snk.data()
exp_res = tuple(
input_data
) #tuple([input_data[i]/math.sqrt(2) for i in range(len(input_data))])
self.assertFloatTuplesAlmostEqual(res, exp_res, 5)
