예제 #1
0
 def test_002_t (self):
 	# this models 4-QAM with 1 input stream
 	v0 = (0,0,0,1,1,0,1,1)
 	self.src = gr.vector_source_b(v0, False, len(v0))
 	self.map = drm.qam_map_vbvc(self.tables.d_QAM4, 2, len(v0)/2, 1)
 	self.snk = gr.vector_sink_c(len(v0)/2)    	
 	self.tb.connect(self.src, self.map, self.snk)
 	self.tb.run()
 	# check data
 	res = self.snk.data()
 	c = 0.7071067811
 	ref = ( complex(c, c), complex(c, -c), complex(-c, c), complex(-c, -c) )
 	self.assertComplexTuplesAlmostEqual(ref, res)
예제 #2
0
	def __init__(self, vlen_in=1, vlen_out=1, n_tailbits=6, denom_mother_code_rate=6, gen_poly=(91, 121, 101, 91, 121, 101), N=1, bits_per_symbol=0, pp=0, pp_tail=0, interl_seq=range(2), map_tab=0):
		gr.hier_block2.__init__(
			self, "DRM MLC 4-QAM",
			gr.io_signature(1, 1, gr.sizeof_char*vlen_in),
			gr.io_signature(1, 1, gr.sizeof_gr_complex*vlen_out),
		)

		##################################################
		# Parameters
		##################################################
		self.vlen_in = vlen_in
		self.vlen_out = vlen_out
		self.n_tailbits = n_tailbits
		self.denom_mother_code_rate = denom_mother_code_rate
		self.gen_poly = gen_poly
		self.N = N
		self.bits_per_symbol = bits_per_symbol
		self.pp = pp
		self.pp_tail = pp_tail
		self.interl_seq = interl_seq
		self.map_tab = map_tab

		##################################################
		# Blocks
		##################################################
		self.trellis_encoder_xx_0 = trellis.encoder_bb(trellis.fsm(1, denom_mother_code_rate, gen_poly), 0)
		self.gr_vector_to_stream_0 = gr.vector_to_stream(gr.sizeof_char*1, vlen_in + n_tailbits)
		self.gr_unpack_k_bits_bb_0 = gr.unpack_k_bits_bb(denom_mother_code_rate)
		self.gr_stream_to_vector_0 = gr.stream_to_vector(gr.sizeof_char*1, (vlen_in + n_tailbits) * denom_mother_code_rate)
		self.drm_qam_map_vbvc_0 = drm.qam_map_vbvc(map_tab, bits_per_symbol, vlen_out, 1)
		self.drm_punct_vbvb_0 = drm.punct_vbvb(pp, pp_tail, (vlen_in + n_tailbits) * denom_mother_code_rate, vlen_out * 2, n_tailbits * denom_mother_code_rate)
		self.drm_interleaver_vbvb_0 = drm.interleaver_vbvb((interl_seq))
		self.add_tailbits_vbvb_0 = drm.add_tailbits_vbvb(vlen_in, n_tailbits)

		##################################################
		# Connections
		##################################################
		self.connect((self, 0), (self.add_tailbits_vbvb_0, 0))
		self.connect((self.add_tailbits_vbvb_0, 0), (self.gr_vector_to_stream_0, 0))
		self.connect((self.gr_vector_to_stream_0, 0), (self.trellis_encoder_xx_0, 0))
		self.connect((self.trellis_encoder_xx_0, 0), (self.gr_unpack_k_bits_bb_0, 0))
		self.connect((self.gr_unpack_k_bits_bb_0, 0), (self.gr_stream_to_vector_0, 0))
		self.connect((self.gr_stream_to_vector_0, 0), (self.drm_punct_vbvb_0, 0))
		self.connect((self.drm_punct_vbvb_0, 0), (self.drm_interleaver_vbvb_0, 0))
		self.connect((self.drm_interleaver_vbvb_0, 0), (self.drm_qam_map_vbvc_0, 0))
		self.connect((self.drm_qam_map_vbvc_0, 0), (self, 0))
예제 #3
0
    def test_003_t (self):
    	# this models 64-QAM SM (only some constellation points) with 3 input streams
    	v0 = (0, 0, 0, 0, 1, 1, 1, 1)
        v1 = (1, 1, 0, 0, 1, 0, 1, 1)
	v2 = (1, 0, 0, 0, 0, 1, 1, 1)
	self.src0 = gr.vector_source_b(v0, False, len(v0))
	self.src1 = gr.vector_source_b(v1, False, len(v1))
	self.src2 = gr.vector_source_b(v2, False, len(v2))
	self.map = drm.qam_map_vbvc(self.tables.d_QAM64SM, 6, len(v0)/2, 3)
	self.snk = gr.vector_sink_c(len(v0)/2)
	self.tb.connect(self.src0, (self.map, 0))
	self.tb.connect(self.src1, (self.map, 1))
	self.tb.connect(self.src2, (self.map, 2))
	self.tb.connect(self.map, self.snk)
	self.tb.run()
	res = self.snk.data()
	c1 = 0.1543033499
	c2 = 0.4629100498
	c3 = 0.7715167498
	c4 = 1.0801234497
	ref = ( complex(-c3,c2), complex(c4,c4), complex(c1,-c2), complex(-c4,-c4) )
	self.assertComplexTuplesAlmostEqual(ref, res)
예제 #4
0
 def test_001_t (self):
     # this models 16-QAM mapping with 2 input streams
     v0 = (0,0,0,1,1,0,1,1)
     v1 = (0,1,1,1,0,0,1,0)
     self.src0 = gr.vector_source_b(v0, False, len(v0))
     self.src1 = gr.vector_source_b(v1, False, len(v1))
     self.map = drm.qam_map_vbvc(self.tables.d_QAM16, 4, len(v0)/2, 2)
     self.snk = gr.vector_sink_c(len(v0)/2)
     self.tb.connect(self.src0, (self.map, 0))
     self.tb.connect(self.src1, (self.map, 1))
     self.tb.connect(self.map, self.snk)
     self.tb.run ()
     # check data
     res =  self.snk.data()
     print res
     c1 = 0.9486832980
     c2 = 0.3162277660
     ref = ( complex(c1, -c2), \
     		complex(-c2, -c1), \
     		complex(c2, c1), \
     		complex(-c1, c2) )
     print ref
     		
     self.assertComplexTuplesAlmostEqual(ref, res)
예제 #5
0
	def __init__(self, vlen_in=1, vlen_out=1, n_tailbits=6, denom_mother_code_rate=6, gen_poly=(91, 121, 101, 91, 121, 101), bits_per_symbol=0, N=1, map_tab=0, pp_0=0, pp_0_tail=0, pp_1=0, pp_1_tail=0, part_len_top=1, part_len_bot=1, M_total=0, interl_seq_0_2=range(2), interl_seq_1_2=range(2)):
		gr.hier_block2.__init__(
			self, "DRM MLC 16-QAM",
			gr.io_signature(1, 1, gr.sizeof_char*vlen_in),
			gr.io_signature(1, 1, gr.sizeof_gr_complex*vlen_out),
		)

		##################################################
		# Parameters
		##################################################
		self.vlen_in = vlen_in
		self.vlen_out = vlen_out
		self.n_tailbits = n_tailbits
		self.denom_mother_code_rate = denom_mother_code_rate
		self.gen_poly = gen_poly
		self.bits_per_symbol = bits_per_symbol
		self.N = N
		self.map_tab = map_tab
		self.pp_0 = pp_0
		self.pp_0_tail = pp_0_tail
		self.pp_1 = pp_1
		self.pp_1_tail = pp_1_tail
		self.part_len_top = part_len_top
		self.part_len_bot = part_len_bot
		self.M_total = M_total
		self.interl_seq_0_2 = interl_seq_0_2
		self.interl_seq_1_2 = interl_seq_1_2

		##################################################
		# Blocks
		##################################################
		self.trellis_encoder_xx_0_0 = trellis.encoder_bb(trellis.fsm(1, denom_mother_code_rate, gen_poly), 0)
		self.trellis_encoder_xx_0 = trellis.encoder_bb(trellis.fsm(1, denom_mother_code_rate, gen_poly), 0)
		self.gr_vector_to_stream_1_0 = gr.vector_to_stream(gr.sizeof_char*1, part_len_bot+ n_tailbits)
		self.gr_vector_to_stream_1 = gr.vector_to_stream(gr.sizeof_char*1, part_len_top + n_tailbits)
		self.gr_unpack_k_bits_bb_0_0 = gr.unpack_k_bits_bb(denom_mother_code_rate)
		self.gr_unpack_k_bits_bb_0 = gr.unpack_k_bits_bb(denom_mother_code_rate)
		self.gr_stream_to_vector_0_0 = gr.stream_to_vector(gr.sizeof_char*1, (part_len_bot + n_tailbits) * denom_mother_code_rate)
		self.gr_stream_to_vector_0 = gr.stream_to_vector(gr.sizeof_char*1, (part_len_top + n_tailbits) * denom_mother_code_rate)
		self.drm_qam_map_vbvc_0 = drm.qam_map_vbvc(map_tab, bits_per_symbol, vlen_out, 2)
		self.drm_punct_vbvb_0_0 = drm.punct_vbvb(pp_1, pp_1_tail, (part_len_bot + n_tailbits) * denom_mother_code_rate, vlen_out * 2, n_tailbits * denom_mother_code_rate)
		self.drm_punct_vbvb_0 = drm.punct_vbvb(pp_0, pp_0_tail, (part_len_top + n_tailbits) * denom_mother_code_rate, vlen_out * 2, n_tailbits * denom_mother_code_rate)
		self.drm_partitioning_16_vbvb_0 = drm.partitioning_vbvb(vlen_in, M_total)
		self.drm_interleaver_vbvb_0_0 = drm.interleaver_vbvb((interl_seq_1_2))
		self.drm_interleaver_vbvb_0 = drm.interleaver_vbvb((interl_seq_0_2))
		self.add_tailbits_vbvb_0_0 = drm.add_tailbits_vbvb(part_len_bot, n_tailbits)
		self.add_tailbits_vbvb_0 = drm.add_tailbits_vbvb(part_len_top, n_tailbits)

		##################################################
		# Connections
		##################################################
		self.connect((self.drm_interleaver_vbvb_0, 0), (self.drm_qam_map_vbvc_0, 0))
		self.connect((self.drm_qam_map_vbvc_0, 0), (self, 0))
		self.connect((self.trellis_encoder_xx_0, 0), (self.gr_unpack_k_bits_bb_0, 0))
		self.connect((self.gr_stream_to_vector_0, 0), (self.drm_punct_vbvb_0, 0))
		self.connect((self.gr_unpack_k_bits_bb_0, 0), (self.gr_stream_to_vector_0, 0))
		self.connect((self.drm_punct_vbvb_0, 0), (self.drm_interleaver_vbvb_0, 0))
		self.connect((self.trellis_encoder_xx_0_0, 0), (self.gr_unpack_k_bits_bb_0_0, 0))
		self.connect((self.gr_stream_to_vector_0_0, 0), (self.drm_punct_vbvb_0_0, 0))
		self.connect((self.gr_unpack_k_bits_bb_0_0, 0), (self.gr_stream_to_vector_0_0, 0))
		self.connect((self.drm_punct_vbvb_0_0, 0), (self.drm_interleaver_vbvb_0_0, 0))
		self.connect((self.drm_interleaver_vbvb_0_0, 0), (self.drm_qam_map_vbvc_0, 1))
		self.connect((self.gr_vector_to_stream_1, 0), (self.trellis_encoder_xx_0, 0))
		self.connect((self.gr_vector_to_stream_1_0, 0), (self.trellis_encoder_xx_0_0, 0))
		self.connect((self, 0), (self.drm_partitioning_16_vbvb_0, 0))
		self.connect((self.add_tailbits_vbvb_0, 0), (self.gr_vector_to_stream_1, 0))
		self.connect((self.add_tailbits_vbvb_0_0, 0), (self.gr_vector_to_stream_1_0, 0))
		self.connect((self.drm_partitioning_16_vbvb_0, 1), (self.add_tailbits_vbvb_0_0, 0))
		self.connect((self.drm_partitioning_16_vbvb_0, 0), (self.add_tailbits_vbvb_0, 0))
예제 #6
0
	def __init__(self, map_tab=0, n_tailbits=6, denom_mother_code_rate=6, gen_poly=(91, 121, 101, 91, 121, 101), vlen_out=1, vlen_in=1, N=1, bits_per_symbol=0, pp_0=0, pp_0_tail=0, interl_seq_0_2=range(2), part_len_top=1, M_total=0, part_len_mid=0, part_len_bot=1, pp_1=0, pp_2_tail=0, pp_2=0, pp_1_tail=0, interl_seq_1_2=range(2), interl_seq_2_2=range(2)):
		gr.hier_block2.__init__(
			self, "DRM MLC 64 QAM SM",
			gr.io_signature(1, 1, gr.sizeof_char*vlen_in),
			gr.io_signature(1, 1, gr.sizeof_gr_complex*vlen_out),
		)

		##################################################
		# Parameters
		##################################################
		self.map_tab = map_tab
		self.n_tailbits = n_tailbits
		self.denom_mother_code_rate = denom_mother_code_rate
		self.gen_poly = gen_poly
		self.vlen_out = vlen_out
		self.vlen_in = vlen_in
		self.N = N
		self.bits_per_symbol = bits_per_symbol
		self.pp_0 = pp_0
		self.pp_0_tail = pp_0_tail
		self.interl_seq_0_2 = interl_seq_0_2
		self.part_len_top = part_len_top
		self.M_total = M_total
		self.part_len_mid = part_len_mid
		self.part_len_bot = part_len_bot
		self.pp_1 = pp_1
		self.pp_2_tail = pp_2_tail
		self.pp_2 = pp_2
		self.pp_1_tail = pp_1_tail
		self.interl_seq_1_2 = interl_seq_1_2
		self.interl_seq_2_2 = interl_seq_2_2

		##################################################
		# Blocks
		##################################################
		self.trellis_encoder_xx_0_0_0 = trellis.encoder_bb(trellis.fsm(1, denom_mother_code_rate, gen_poly), 0)
		self.trellis_encoder_xx_0_0 = trellis.encoder_bb(trellis.fsm(1, denom_mother_code_rate, gen_poly), 0)
		self.trellis_encoder_xx_0 = trellis.encoder_bb(trellis.fsm(1, denom_mother_code_rate, gen_poly), 0)
		self.gr_vector_to_stream_1_0_0 = gr.vector_to_stream(gr.sizeof_char*1, part_len_mid + n_tailbits)
		self.gr_vector_to_stream_1_0 = gr.vector_to_stream(gr.sizeof_char*1, part_len_bot+ n_tailbits)
		self.gr_vector_to_stream_1 = gr.vector_to_stream(gr.sizeof_char*1, part_len_top + n_tailbits)
		self.gr_unpack_k_bits_bb_0_0_0 = gr.unpack_k_bits_bb(denom_mother_code_rate)
		self.gr_unpack_k_bits_bb_0_0 = gr.unpack_k_bits_bb(denom_mother_code_rate)
		self.gr_unpack_k_bits_bb_0 = gr.unpack_k_bits_bb(denom_mother_code_rate)
		self.gr_stream_to_vector_0_0_0 = gr.stream_to_vector(gr.sizeof_char*1, (part_len_mid + n_tailbits) * denom_mother_code_rate)
		self.gr_stream_to_vector_0_0 = gr.stream_to_vector(gr.sizeof_char*1, (part_len_bot+ n_tailbits) * denom_mother_code_rate)
		self.gr_stream_to_vector_0 = gr.stream_to_vector(gr.sizeof_char*1, (part_len_top+ n_tailbits) * denom_mother_code_rate)
		self.drm_qam_map_vbvc_0 = drm.qam_map_vbvc(map_tab, bits_per_symbol, vlen_out, 3)
		self.drm_punct_vbvb_0_0_0 = drm.punct_vbvb(pp_1, pp_1_tail, (part_len_mid + n_tailbits) * denom_mother_code_rate, vlen_out * 2, n_tailbits * denom_mother_code_rate)
		self.drm_punct_vbvb_0_0 = drm.punct_vbvb(pp_2, pp_2_tail, (part_len_bot + n_tailbits) * denom_mother_code_rate, vlen_out * 2, n_tailbits * denom_mother_code_rate)
		self.drm_punct_vbvb_0 = drm.punct_vbvb(pp_0, pp_0_tail, (part_len_top + n_tailbits) * denom_mother_code_rate, vlen_out * 2, n_tailbits * denom_mother_code_rate)
		self.drm_partitioning_64sm_vbvb_0 = drm.partitioning_vbvb(vlen_in, M_total)
		self.drm_interleaver_vbvb_0_0_0 = drm.interleaver_vbvb((interl_seq_1_2))
		self.drm_interleaver_vbvb_0_0 = drm.interleaver_vbvb((interl_seq_2_2))
		self.add_tailbits_vbvb_0_0_0 = drm.add_tailbits_vbvb(part_len_mid, n_tailbits)
		self.add_tailbits_vbvb_0_0 = drm.add_tailbits_vbvb(part_len_bot, n_tailbits)
		self.add_tailbits_vbvb_0 = drm.add_tailbits_vbvb(part_len_top, n_tailbits)

		##################################################
		# Connections
		##################################################
		self.connect((self.add_tailbits_vbvb_0, 0), (self.gr_vector_to_stream_1, 0))
		self.connect((self.trellis_encoder_xx_0, 0), (self.gr_unpack_k_bits_bb_0, 0))
		self.connect((self.gr_stream_to_vector_0, 0), (self.drm_punct_vbvb_0, 0))
		self.connect((self.gr_unpack_k_bits_bb_0, 0), (self.gr_stream_to_vector_0, 0))
		self.connect((self.drm_qam_map_vbvc_0, 0), (self, 0))
		self.connect((self.drm_punct_vbvb_0, 0), (self.drm_qam_map_vbvc_0, 0))
		self.connect((self, 0), (self.drm_partitioning_64sm_vbvb_0, 0))
		self.connect((self.drm_partitioning_64sm_vbvb_0, 0), (self.add_tailbits_vbvb_0, 0))
		self.connect((self.drm_partitioning_64sm_vbvb_0, 2), (self.add_tailbits_vbvb_0_0, 0))
		self.connect((self.drm_punct_vbvb_0_0, 0), (self.drm_interleaver_vbvb_0_0, 0))
		self.connect((self.gr_unpack_k_bits_bb_0_0, 0), (self.gr_stream_to_vector_0_0, 0))
		self.connect((self.gr_stream_to_vector_0_0, 0), (self.drm_punct_vbvb_0_0, 0))
		self.connect((self.trellis_encoder_xx_0_0, 0), (self.gr_unpack_k_bits_bb_0_0, 0))
		self.connect((self.drm_punct_vbvb_0_0_0, 0), (self.drm_interleaver_vbvb_0_0_0, 0))
		self.connect((self.gr_unpack_k_bits_bb_0_0_0, 0), (self.gr_stream_to_vector_0_0_0, 0))
		self.connect((self.gr_stream_to_vector_0_0_0, 0), (self.drm_punct_vbvb_0_0_0, 0))
		self.connect((self.trellis_encoder_xx_0_0_0, 0), (self.gr_unpack_k_bits_bb_0_0_0, 0))
		self.connect((self.add_tailbits_vbvb_0_0, 0), (self.gr_vector_to_stream_1_0, 0))
		self.connect((self.add_tailbits_vbvb_0_0_0, 0), (self.gr_vector_to_stream_1_0_0, 0))
		self.connect((self.drm_partitioning_64sm_vbvb_0, 1), (self.add_tailbits_vbvb_0_0_0, 0))
		self.connect((self.drm_interleaver_vbvb_0_0, 0), (self.drm_qam_map_vbvc_0, 2))
		self.connect((self.drm_interleaver_vbvb_0_0_0, 0), (self.drm_qam_map_vbvc_0, 1))
		self.connect((self.gr_vector_to_stream_1_0_0, 0), (self.trellis_encoder_xx_0_0_0, 0))
		self.connect((self.gr_vector_to_stream_1_0, 0), (self.trellis_encoder_xx_0_0, 0))
		self.connect((self.gr_vector_to_stream_1, 0), (self.trellis_encoder_xx_0, 0))