def test_003_stream(self): print("test_003_stream") nframes = 5 expo = 8 block_size = 2 ** expo num_info_bits = 2 ** (expo - 1) max_list_size = 2 ** (expo - 2) num_frozen_bits = block_size - num_info_bits frozen_bit_positions = cc.frozen_bit_positions(block_size, num_info_bits, 0.0) frozen_bit_values = np.array([0] * num_frozen_bits,) encoder = PolarEncoder(block_size, num_info_bits, frozen_bit_positions, frozen_bit_values) ref = np.array([], dtype=int) data = np.array([], dtype=int) for i in range(nframes): b = np.random.randint(2, size=num_info_bits) d = encoder.encode(b) data = np.append(data, d) ref = np.append(ref, b) gr_data = 2.0 * data - 1.0 polar_decoder = fec.polar_decoder_sc_list.make(max_list_size, block_size, num_info_bits, frozen_bit_positions, frozen_bit_values) src = blocks.vector_source_f(gr_data, False) dec_block = extended_decoder(polar_decoder, None) snk = blocks.vector_sink_b(1) self.tb.connect(src, dec_block) self.tb.connect(dec_block, snk) self.tb.run() res = np.array(snk.data()).astype(dtype=int) self.assertTupleEqual(tuple(res), tuple(ref))
def test_002_one_vector(self): print("test_002_one_vector") expo = 6 block_size = 2 ** expo num_info_bits = 2 ** (expo - 1) max_list_size = 2 ** (expo - 2) num_frozen_bits = block_size - num_info_bits frozen_bit_positions = cc.frozen_bit_positions(block_size, num_info_bits, 0.0) frozen_bit_values = np.array([0] * num_frozen_bits,) bits = np.random.randint(2, size=num_info_bits) encoder = PolarEncoder(block_size, num_info_bits, frozen_bit_positions, frozen_bit_values) data = encoder.encode(bits) gr_data = 2.0 * data - 1.0 polar_decoder = fec.polar_decoder_sc_list.make(max_list_size, block_size, num_info_bits, frozen_bit_positions, frozen_bit_values) src = blocks.vector_source_f(gr_data, False) dec_block = extended_decoder(polar_decoder, None) snk = blocks.vector_sink_b(1) self.tb.connect(src, dec_block) self.tb.connect(dec_block, snk) self.tb.run() res = np.array(snk.data()).astype(dtype=int) print("\ninput -> result -> bits") print(data) print(res) print(bits) self.assertTupleEqual(tuple(res), tuple(bits))
def generate_test_data(self, block_size, num_info_bits, frozen_bit_positions, frozen_bit_values, nframes, onlyones): encoder = PolarEncoder(block_size, num_info_bits, frozen_bit_positions, frozen_bit_values) bits = np.array([], dtype=int) data = np.array([], dtype=int) for n in range(nframes): if onlyones: b = np.ones(num_info_bits, dtype=int) else: b = np.random.randint(2, size=num_info_bits) d = encoder.encode(b) bits = np.append(bits, b) data = np.append(data, d) gr_data = 2.0 * data - 1.0 return bits, gr_data
def generate_test_data(self, block_size, num_info_bits, frozen_bit_positions, nframes, onlyones): frozen_bit_values = np.zeros(block_size - num_info_bits, dtype=int) encoder = PolarEncoder(block_size, num_info_bits, frozen_bit_positions, frozen_bit_values) bits = np.array([], dtype=int) data = np.array([], dtype=int) for n in range(nframes): if onlyones: b = np.ones(num_info_bits, dtype=int) else: b = np.random.randint(2, size=num_info_bits) d = encoder.encode_systematic(b) bits = np.append(bits, b) data = np.append(data, d) gr_data = 2.0 * data - 1.0 return bits, gr_data
def get_test_data(self, block_size, num_info_bits, num_blocks): # helper function to set up test data and together with encoder object. num_frozen_bits = block_size - num_info_bits frozen_bit_positions = cc.frozen_bit_positions(block_size, num_info_bits, 0.0) frozen_bit_values = np.array([0] * num_frozen_bits,) python_encoder = PolarEncoder(block_size, num_info_bits, frozen_bit_positions, frozen_bit_values) data = np.array([], dtype=int) ref = np.array([], dtype=int) for i in range(num_blocks): d = np.random.randint(2, size=num_info_bits) data = np.append(data, d) ref = np.append(ref, python_encoder.encode_systematic(d)) polar_encoder = fec.polar_encoder_systematic.make(block_size, num_info_bits, frozen_bit_positions) return data, ref, polar_encoder
def get_test_data(self, block_size, num_info_bits, num_blocks): # helper function to set up test data and together with encoder object. num_frozen_bits = block_size - num_info_bits frozen_bit_positions = cc.frozen_bit_positions(block_size, num_info_bits, 0.0) frozen_bit_values = np.array([0] * num_frozen_bits,) python_encoder = PolarEncoder(block_size, num_info_bits, frozen_bit_positions, frozen_bit_values) data = np.array([], dtype=int) ref = np.array([], dtype=int) for i in range(num_blocks): d = np.random.randint(2, size=num_info_bits) data = np.append(data, d) ref = np.append(ref, python_encoder.encode_systematic(d)) polar_encoder = fec.polar_encoder_systematic.make(block_size, num_info_bits, frozen_bit_positions) return data, ref, polar_encoder
def test_003_stream(self): print("test_003_stream") nframes = 5 expo = 8 block_size = 2**expo num_info_bits = 2**(expo - 1) max_list_size = 2**(expo - 2) num_frozen_bits = block_size - num_info_bits frozen_bit_positions = cc.frozen_bit_positions(block_size, num_info_bits, 0.0) frozen_bit_values = np.array([0] * num_frozen_bits, ) encoder = PolarEncoder(block_size, num_info_bits, frozen_bit_positions, frozen_bit_values) ref = np.array([], dtype=int) data = np.array([], dtype=int) for i in range(nframes): b = np.random.randint(2, size=num_info_bits) d = encoder.encode(b) data = np.append(data, d) ref = np.append(ref, b) gr_data = 2.0 * data - 1.0 polar_decoder = fec.polar_decoder_sc_list.make(max_list_size, block_size, num_info_bits, frozen_bit_positions, frozen_bit_values) src = blocks.vector_source_f(gr_data, False) dec_block = extended_decoder(polar_decoder, None) snk = blocks.vector_sink_b(1) self.tb.connect(src, dec_block) self.tb.connect(dec_block, snk) self.tb.run() res = np.array(snk.data()).astype(dtype=int) self.assertTupleEqual(tuple(res), tuple(ref))
def test_002_one_vector(self): print("test_002_one_vector") expo = 6 block_size = 2**expo num_info_bits = 2**(expo - 1) max_list_size = 2**(expo - 2) num_frozen_bits = block_size - num_info_bits frozen_bit_positions = cc.frozen_bit_positions(block_size, num_info_bits, 0.0) frozen_bit_values = np.array([0] * num_frozen_bits, ) bits = np.random.randint(2, size=num_info_bits) encoder = PolarEncoder(block_size, num_info_bits, frozen_bit_positions, frozen_bit_values) data = encoder.encode(bits) gr_data = 2.0 * data - 1.0 polar_decoder = fec.polar_decoder_sc_list.make(max_list_size, block_size, num_info_bits, frozen_bit_positions, frozen_bit_values) src = blocks.vector_source_f(gr_data, False) dec_block = extended_decoder(polar_decoder, None) snk = blocks.vector_sink_b(1) self.tb.connect(src, dec_block) self.tb.connect(dec_block, snk) self.tb.run() res = np.array(snk.data()).astype(dtype=int) print("\ninput -> result -> bits") print(data) print(res) print(bits) self.assertTupleEqual(tuple(res), tuple(bits))