예제 #1
0
    def __init__(self):
        gr.top_block.__init__(self, "Polarcode Complete")

        ##################################################
        # Variables
        ##################################################
        self.snr = snr = 20
        self.variance = variance = 1/pow(10,snr/10.0)
        self.small_packet_len = small_packet_len = 52
        self.size_chunk = size_chunk = 42
        self.samp_rate = samp_rate = 32000
        self.packetlength = packetlength = "packet_len"
        self.id_user = id_user = 0
        self.code_rate = code_rate = 3
        self.Nbfiles = Nbfiles = 20
        self.NbWeakUsers = NbWeakUsers = 3
        self.NbStrgUsers = NbStrgUsers = 1
        self.NbChuncks = NbChuncks = 200
        self.N = N = 2048

        ##################################################
        # Blocks
        ##################################################
        self.projectCACHE_polarEnc_b_0 = projectCACHE.polarEnc_b(N, Nbfiles, NbChuncks, NbStrgUsers, [1,2,3,4], small_packet_len, "packet_len")
        self.projectCACHE_map_header_payload_bc_0 = projectCACHE.map_header_payload_bc(2, 2, packetlength)
        self.projectCACHE_PolarDec_b_0 = projectCACHE.PolarDec_b(N, Nbfiles, NbChuncks, id_user, NbWeakUsers, small_packet_len, size_chunk, code_rate, packetlength)
        self.blocks_tag_debug_0_0 = blocks.tag_debug(gr.sizeof_char*1, '', ""); self.blocks_tag_debug_0_0.set_display(False)
        self.blocks_add_xx_0 = blocks.add_vcc(1)
        self.analog_noise_source_x_0 = analog.noise_source_c(analog.GR_GAUSSIAN, numpy.sqrt(variance), numpy.random.randint(0,500,None))

        ##################################################
        # Connections
        ##################################################
        self.connect((self.analog_noise_source_x_0, 0), (self.blocks_add_xx_0, 1))    
        self.connect((self.blocks_add_xx_0, 0), (self.projectCACHE_PolarDec_b_0, 0))    
        self.connect((self.projectCACHE_map_header_payload_bc_0, 0), (self.blocks_add_xx_0, 0))    
        self.connect((self.projectCACHE_polarEnc_b_0, 0), (self.blocks_tag_debug_0_0, 0))    
        self.connect((self.projectCACHE_polarEnc_b_0, 0), (self.projectCACHE_map_header_payload_bc_0, 0))    
예제 #2
0
파일: OFDM_TX.py 프로젝트: ooubejja/cache
    def __init__(self, fD=10):
        gr.top_block.__init__(self, "Polar Coding with Coded Caching")

        ##################################################
        # Parameters
        ##################################################
        self.fD = fD

        ##################################################
        # Variables
        ##################################################
        self.snr_pld = snr_pld = 10
        self.boost = boost = 15
        self.snr = snr = 30 + 0 * (snr_pld + boost)
        self.pilot_symbols = pilot_symbols = ((
            1,
            1,
            1,
            -1,
        ), )
        self.pilot_carriers = pilot_carriers = ((
            -21,
            -7,
            7,
            21,
        ), )
        self.payload_mod = payload_mod = digital.constellation_qpsk()
        self.packet_length_tag_key = packet_length_tag_key = "packet_len"
        self.occupied_carriers = occupied_carriers = (
            range(-26, -21) + range(-20, -7) + range(-6, 0) + range(1, 7) +
            range(8, 21) + range(22, 27), )
        self.length_tag_key = length_tag_key = "frame_len"
        self.header_mod = header_mod = digital.constellation_bpsk()
        self.fft_len = fft_len = 64
        self.variance = variance = 1 / pow(10, snr / 10.0)
        self.sync_word2 = sync_word2 = [
            0, 0, 0, 0, 0, 0, -1, -1, -1, -1, 1, 1, -1, -1, -1, 1, -1, 1, 1, 1,
            1, 1, -1, -1, -1, -1, -1, 1, -1, -1, 1, -1, 0, 1, -1, 1, 1, 1, -1,
            1, 1, 1, -1, 1, 1, 1, 1, -1, 1, -1, -1, -1, 1, -1, 1, -1, -1, -1,
            -1, 0, 0, 0, 0, 0
        ]
        self.sync_word1 = sync_word1 = [
            0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0.,
            1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0.,
            1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0.,
            -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0.,
            -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
            -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
            -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
            0., 0., 0., 0., 0.
        ]
        self.small_packet_len = small_packet_len = 52
        self.samp_rate = samp_rate = int(1e6)
        self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe(
            fft_len, payload_mod.base(), occupied_carriers, pilot_carriers,
            pilot_symbols, 0, 1)
        self.id_user = id_user = 0
        self.header_formatter = header_formatter = digital.packet_header_ofdm(
            occupied_carriers,
            n_syms=1,
            len_tag_key=packet_length_tag_key,
            frame_len_tag_key=length_tag_key,
            bits_per_header_sym=header_mod.bits_per_symbol(),
            bits_per_payload_sym=payload_mod.bits_per_symbol(),
            scramble_header=False)
        self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe(
            fft_len, header_mod.base(), occupied_carriers, pilot_carriers,
            pilot_symbols, 0, 1)
        self.Users = Users = 4
        self.Nbfiles = Nbfiles = 20
        self.NbStrgUsers = NbStrgUsers = 1
        self.NbChuncks = NbChuncks = 200
        self.N = N = 2048

        ##################################################
        # Blocks
        ##################################################
        self.zeromq_pub_sink_0 = zeromq.pub_sink(gr.sizeof_gr_complex, 1,
                                                 'tcp://*:5565', 100, False,
                                                 -1)
        self.zeromq_pub_msg_sink_0_0_0 = zeromq.pub_msg_sink(
            'tcp://*:5575', 10)
        self.zeromq_pub_msg_sink_0_0 = zeromq.pub_msg_sink('tcp://*:5555', 10)
        self.projectCACHE_polarEnc_b_0_0 = projectCACHE.polarEnc_b(
            N, Nbfiles, NbChuncks, NbStrgUsers, id_user, small_packet_len,
            packet_length_tag_key)
        self.projectCACHE_map_header_payload_bc_0 = projectCACHE.map_header_payload_bc(
            4, 2, 'packet_len')
        self.fft_vxx_0_0 = fft.fft_vcc(fft_len, False, (()), True, 1)
        self.digital_packet_headergenerator_bb_0 = digital.packet_headergenerator_bb(
            header_formatter.formatter(), packet_length_tag_key)
        self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer(
            fft_len, fft_len + fft_len / 4, 0, packet_length_tag_key)
        self.digital_ofdm_carrier_allocator_cvc_0 = digital.ofdm_carrier_allocator_cvc(
            fft_len, occupied_carriers, pilot_carriers, pilot_symbols,
            (sync_word1, sync_word2), packet_length_tag_key)
        self.digital_chunks_to_symbols_xx_0_1 = digital.chunks_to_symbols_bc(
            (header_mod.points()), 1)
        self.blocks_tagged_stream_to_pdu_0 = blocks.tagged_stream_to_pdu(
            blocks.complex_t, 'packet_len')
        self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux(
            gr.sizeof_gr_complex * 1, packet_length_tag_key, 0)
        (self.blocks_tagged_stream_mux_0).set_max_output_buffer(8192)
        self.blocks_tag_gate_0 = blocks.tag_gate(gr.sizeof_gr_complex * 1,
                                                 False)
        self.blocks_tag_gate_0.set_single_key("")
        self.blocks_multiply_const_vxx_1 = blocks.multiply_const_vcc((.05, ))

        ##################################################
        # Connections
        ##################################################
        self.msg_connect((self.blocks_tagged_stream_to_pdu_0, 'pdus'),
                         (self.zeromq_pub_msg_sink_0_0_0, 'in'))
        self.msg_connect((self.projectCACHE_polarEnc_b_0_0, 'BER_INFO'),
                         (self.zeromq_pub_msg_sink_0_0, 'in'))
        self.connect((self.blocks_multiply_const_vxx_1, 0),
                     (self.zeromq_pub_sink_0, 0))
        self.connect((self.blocks_tag_gate_0, 0),
                     (self.blocks_multiply_const_vxx_1, 0))
        self.connect((self.blocks_tagged_stream_mux_0, 0),
                     (self.digital_ofdm_carrier_allocator_cvc_0, 0))
        self.connect((self.digital_chunks_to_symbols_xx_0_1, 0),
                     (self.blocks_tagged_stream_mux_0, 0))
        self.connect((self.digital_ofdm_carrier_allocator_cvc_0, 0),
                     (self.fft_vxx_0_0, 0))
        self.connect((self.digital_ofdm_cyclic_prefixer_0, 0),
                     (self.blocks_tag_gate_0, 0))
        self.connect((self.digital_ofdm_cyclic_prefixer_0, 0),
                     (self.blocks_tagged_stream_to_pdu_0, 0))
        self.connect((self.digital_packet_headergenerator_bb_0, 0),
                     (self.digital_chunks_to_symbols_xx_0_1, 0))
        self.connect((self.fft_vxx_0_0, 0),
                     (self.digital_ofdm_cyclic_prefixer_0, 0))
        self.connect((self.projectCACHE_map_header_payload_bc_0, 0),
                     (self.blocks_tagged_stream_mux_0, 1))
        self.connect((self.projectCACHE_polarEnc_b_0_0, 0),
                     (self.digital_packet_headergenerator_bb_0, 0))
        self.connect((self.projectCACHE_polarEnc_b_0_0, 0),
                     (self.projectCACHE_map_header_payload_bc_0, 0))
예제 #3
0
    def __init__(self, id_user=0):
        gr.top_block.__init__(self, "Polar Coding with Coded Caching")

        ##################################################
        # Parameters
        ##################################################
        self.id_user = id_user

        ##################################################
        # Variables
        ##################################################
        self.snr = snr = 50
        self.pilot_symbols = pilot_symbols = ((
            1,
            1,
            1,
            -1,
        ), )
        self.pilot_carriers = pilot_carriers = ((
            -21,
            -7,
            7,
            21,
        ), )
        self.payload_mod = payload_mod = digital.constellation_qpsk()
        self.packet_length_tag_key = packet_length_tag_key = "packet_len"
        self.occupied_carriers = occupied_carriers = (
            range(-26, -21) + range(-20, -7) + range(-6, 0) + range(1, 7) +
            range(8, 21) + range(22, 27), )
        self.length_tag_key = length_tag_key = "frame_len"
        self.header_mod = header_mod = digital.constellation_bpsk()
        self.fft_len = fft_len = 64
        self.Kw = Kw = 70 * 8
        self.variance = variance = 1 / pow(10, snr / 10.0)
        self.sync_word2 = sync_word2 = [
            0, 0, 0, 0, 0, 0, -1, -1, -1, -1, 1, 1, -1, -1, -1, 1, -1, 1, 1, 1,
            1, 1, -1, -1, -1, -1, -1, 1, -1, -1, 1, -1, 0, 1, -1, 1, 1, 1, -1,
            1, 1, 1, -1, 1, 1, 1, 1, -1, 1, -1, -1, -1, 1, -1, 1, -1, -1, -1,
            -1, 0, 0, 0, 0, 0
        ]
        self.sync_word1 = sync_word1 = [
            0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0.,
            1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0.,
            1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0.,
            -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0.,
            -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
            -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
            -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
            0., 0., 0., 0., 0.
        ]
        self.small_packet_len = small_packet_len = 52
        self.samp_rate = samp_rate = 32000
        self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe(
            fft_len, payload_mod.base(), occupied_carriers, pilot_carriers,
            pilot_symbols, 0, 1)
        self.header_formatter = header_formatter = digital.packet_header_ofdm(
            occupied_carriers,
            n_syms=1,
            len_tag_key=packet_length_tag_key,
            frame_len_tag_key=length_tag_key,
            bits_per_header_sym=header_mod.bits_per_symbol(),
            bits_per_payload_sym=payload_mod.bits_per_symbol(),
            scramble_header=False)
        self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe(
            fft_len, header_mod.base(), occupied_carriers, pilot_carriers,
            pilot_symbols, 0, 1)
        self.coderate = coderate = [1, 2, 3, 3, 4]
        self.Users = Users = 4
        self.Nbfiles = Nbfiles = 20
        self.NbStrgUsers = NbStrgUsers = 1
        self.NbChuncks = NbChuncks = 200
        self.N = N = 2048
        self.Ks = Ks = 2 * Kw

        ##################################################
        # Blocks
        ##################################################
        self.zeromq_sub_msg_source_0_0_0 = zeromq.sub_msg_source(
            'tcp://localhost:5575', 10)
        self.zeromq_sub_msg_source_0_0 = zeromq.sub_msg_source(
            'tcp://localhost:5555', 10)
        self.zeromq_pub_msg_sink_0_0_0 = zeromq.pub_msg_sink(
            'tcp://*:5575', 10)
        self.zeromq_pub_msg_sink_0_0 = zeromq.pub_msg_sink('tcp://*:5555', 10)
        self.projectCACHE_polarEnc_b_0_0 = projectCACHE.polarEnc_b(
            N, Nbfiles, NbChuncks, NbStrgUsers, id_user, small_packet_len,
            packet_length_tag_key)
        self.projectCACHE_ofdm_frame_equalizer1_vcvc_0 = projectCACHE.ofdm_frame_equalizer1_vcvc(
            fft_len, fft_len / 4, length_tag_key, True, occupied_carriers,
            pilot_carriers, pilot_symbols, 0, True)
        self.projectCACHE_map_header_payload_bc_0 = projectCACHE.map_header_payload_bc(
            4, 2, packet_length_tag_key)
        self.projectCACHE_PolarDec_b_0_0 = projectCACHE.PolarDec_b(
            N, Nbfiles, NbChuncks, id_user, Users, small_packet_len, 42,
            coderate[id_user], packet_length_tag_key)
        self.projectCACHE_PC_Error_Rate_0_0 = projectCACHE.PC_Error_Rate(
            id_user, 200)
        self.fft_vxx_1 = fft.fft_vcc(fft_len, True, (), True, 1)
        self.fft_vxx_0_0 = fft.fft_vcc(fft_len, False, (()), True, 1)
        self.fft_vxx_0 = fft.fft_vcc(fft_len, True, (()), True, 1)
        self.digital_probe_mpsk_snr_est_c_0 = digital.probe_mpsk_snr_est_c(
            3, 1000, 0.0001)
        self.digital_packet_headerparser_b_0 = digital.packet_headerparser_b(
            header_formatter.base())
        self.digital_packet_headergenerator_bb_0 = digital.packet_headergenerator_bb(
            header_formatter.formatter(), packet_length_tag_key)
        self.digital_ofdm_sync_sc_cfb_0 = digital.ofdm_sync_sc_cfb(
            fft_len, fft_len / 4, False, 0.9)
        self.digital_ofdm_serializer_vcc_payload_0 = digital.ofdm_serializer_vcc(
            fft_len, occupied_carriers, length_tag_key, packet_length_tag_key,
            1, '', True)
        self.digital_ofdm_serializer_vcc_payload = digital.ofdm_serializer_vcc(
            fft_len, occupied_carriers, length_tag_key, packet_length_tag_key,
            1, '', True)
        self.digital_ofdm_serializer_vcc_header = digital.ofdm_serializer_vcc(
            fft_len, occupied_carriers, length_tag_key, '', 0, '', True)
        self.digital_ofdm_frame_equalizer_vcvc_0 = digital.ofdm_frame_equalizer_vcvc(
            header_equalizer.base(), fft_len / 4, length_tag_key, True, 1)
        self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer(
            fft_len, fft_len + fft_len / 4, 0, packet_length_tag_key)
        self.digital_ofdm_chanest_vcvc_0 = digital.ofdm_chanest_vcvc(
            (sync_word1), (sync_word2), 1, 0, 3, False)
        self.digital_ofdm_carrier_allocator_cvc_0 = digital.ofdm_carrier_allocator_cvc(
            fft_len, occupied_carriers, pilot_carriers, pilot_symbols,
            (sync_word1, sync_word2), packet_length_tag_key)
        self.digital_header_payload_demux_0 = digital.header_payload_demux(
            3,
            fft_len,
            fft_len / 4,
            length_tag_key,
            "",
            True,
            gr.sizeof_gr_complex,
            "rx_time",
            samp_rate,
            (),
            0,
        )
        self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(
            header_mod.base())
        self.digital_chunks_to_symbols_xx_0_1 = digital.chunks_to_symbols_bc(
            (header_mod.points()), 1)
        self.channels_channel_model_0_0 = channels.channel_model(
            noise_voltage=numpy.sqrt(variance),
            frequency_offset=1.0,
            epsilon=1.0,
            taps=(1.0, ),
            noise_seed=0,
            block_tags=False)
        self.blocks_throttle_0_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
                                                   samp_rate, True)
        self.blocks_tagged_stream_to_pdu_0 = blocks.tagged_stream_to_pdu(
            blocks.complex_t, 'packet_len')
        self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux(
            gr.sizeof_gr_complex * 1, packet_length_tag_key, 0)
        (self.blocks_tagged_stream_mux_0).set_max_output_buffer(8192)
        self.blocks_tag_gate_0 = blocks.tag_gate(gr.sizeof_gr_complex * 1,
                                                 False)
        self.blocks_tag_gate_0.set_single_key("")
        self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
        self.blocks_multiply_const_vxx_1 = blocks.multiply_const_vcc((0.05, ))
        self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex * 1,
                                           fft_len + fft_len / 4)
        self.analog_frequency_modulator_fc_0 = analog.frequency_modulator_fc(
            -2.0 / fft_len)

        ##################################################
        # Connections
        ##################################################
        self.msg_connect((self.blocks_tagged_stream_to_pdu_0, 'pdus'),
                         (self.zeromq_pub_msg_sink_0_0_0, 'in'))
        self.msg_connect((self.digital_packet_headerparser_b_0, 'header_data'),
                         (self.digital_header_payload_demux_0, 'header_data'))
        self.msg_connect((self.digital_probe_mpsk_snr_est_c_0, 'snr'),
                         (self.projectCACHE_PC_Error_Rate_0_0, 'SNR'))
        self.msg_connect((self.projectCACHE_polarEnc_b_0_0, 'BER_INFO'),
                         (self.zeromq_pub_msg_sink_0_0, 'in'))
        self.msg_connect((self.zeromq_sub_msg_source_0_0, 'out'),
                         (self.projectCACHE_PC_Error_Rate_0_0, 'BER_INFO'))
        self.msg_connect((self.zeromq_sub_msg_source_0_0_0, 'out'),
                         (self.projectCACHE_PC_Error_Rate_0_0, 'CH_USE'))
        self.connect((self.analog_frequency_modulator_fc_0, 0),
                     (self.blocks_multiply_xx_0, 0))
        self.connect((self.blocks_delay_0, 0), (self.blocks_multiply_xx_0, 1))
        self.connect((self.blocks_multiply_const_vxx_1, 0),
                     (self.blocks_throttle_0_0, 0))
        self.connect((self.blocks_multiply_xx_0, 0),
                     (self.digital_header_payload_demux_0, 0))
        self.connect((self.blocks_tag_gate_0, 0),
                     (self.blocks_multiply_const_vxx_1, 0))
        self.connect((self.blocks_tagged_stream_mux_0, 0),
                     (self.digital_ofdm_carrier_allocator_cvc_0, 0))
        self.connect((self.blocks_throttle_0_0, 0),
                     (self.channels_channel_model_0_0, 0))
        self.connect((self.channels_channel_model_0_0, 0),
                     (self.blocks_delay_0, 0))
        self.connect((self.channels_channel_model_0_0, 0),
                     (self.digital_ofdm_sync_sc_cfb_0, 0))
        self.connect((self.digital_chunks_to_symbols_xx_0_1, 0),
                     (self.blocks_tagged_stream_mux_0, 0))
        self.connect((self.digital_constellation_decoder_cb_0, 0),
                     (self.digital_packet_headerparser_b_0, 0))
        self.connect((self.digital_header_payload_demux_0, 0),
                     (self.fft_vxx_0, 0))
        self.connect((self.digital_header_payload_demux_0, 1),
                     (self.fft_vxx_1, 0))
        self.connect((self.digital_ofdm_carrier_allocator_cvc_0, 0),
                     (self.fft_vxx_0_0, 0))
        self.connect((self.digital_ofdm_chanest_vcvc_0, 0),
                     (self.digital_ofdm_frame_equalizer_vcvc_0, 0))
        self.connect((self.digital_ofdm_cyclic_prefixer_0, 0),
                     (self.blocks_tag_gate_0, 0))
        self.connect((self.digital_ofdm_cyclic_prefixer_0, 0),
                     (self.blocks_tagged_stream_to_pdu_0, 0))
        self.connect((self.digital_ofdm_frame_equalizer_vcvc_0, 0),
                     (self.digital_ofdm_serializer_vcc_header, 0))
        self.connect((self.digital_ofdm_serializer_vcc_header, 0),
                     (self.digital_constellation_decoder_cb_0, 0))
        self.connect((self.digital_ofdm_serializer_vcc_payload, 0),
                     (self.projectCACHE_PolarDec_b_0_0, 0))
        self.connect((self.digital_ofdm_serializer_vcc_payload_0, 0),
                     (self.digital_probe_mpsk_snr_est_c_0, 0))
        self.connect((self.digital_ofdm_sync_sc_cfb_0, 0),
                     (self.analog_frequency_modulator_fc_0, 0))
        self.connect((self.digital_ofdm_sync_sc_cfb_0, 1),
                     (self.digital_header_payload_demux_0, 1))
        self.connect((self.digital_packet_headergenerator_bb_0, 0),
                     (self.digital_chunks_to_symbols_xx_0_1, 0))
        self.connect((self.fft_vxx_0, 0),
                     (self.digital_ofdm_chanest_vcvc_0, 0))
        self.connect((self.fft_vxx_0_0, 0),
                     (self.digital_ofdm_cyclic_prefixer_0, 0))
        self.connect((self.fft_vxx_1, 0),
                     (self.digital_ofdm_serializer_vcc_payload_0, 0))
        self.connect((self.fft_vxx_1, 0),
                     (self.projectCACHE_ofdm_frame_equalizer1_vcvc_0, 0))
        self.connect((self.projectCACHE_map_header_payload_bc_0, 0),
                     (self.blocks_tagged_stream_mux_0, 1))
        self.connect((self.projectCACHE_ofdm_frame_equalizer1_vcvc_0, 0),
                     (self.digital_ofdm_serializer_vcc_payload, 0))
        self.connect((self.projectCACHE_polarEnc_b_0_0, 0),
                     (self.digital_packet_headergenerator_bb_0, 0))
        self.connect((self.projectCACHE_polarEnc_b_0_0, 0),
                     (self.projectCACHE_map_header_payload_bc_0, 0))
예제 #4
0
파일: OFDM_TX.py 프로젝트: ooubejja/cache
    def __init__(self, gain=5):
        gr.top_block.__init__(self, "Polar Coding with Coded Caching")

        ##################################################
        # Parameters
        ##################################################
        self.gain = gain

        ##################################################
        # Variables
        ##################################################
        self.snr = snr = -5 + 20 * numpy.log10(4)
        self.pilot_symbols = pilot_symbols = ((
            1,
            1,
            1,
            -1,
        ), )
        self.pilot_carriers = pilot_carriers = ((
            -21,
            -7,
            7,
            21,
        ), )
        self.payload_mod = payload_mod = digital.constellation_qpsk()
        self.packet_length_tag_key = packet_length_tag_key = "packet_len"
        self.occupied_carriers = occupied_carriers = (
            range(-26, -21) + range(-20, -7) + range(-6, 0) + range(1, 7) +
            range(8, 21) + range(22, 27), )
        self.length_tag_key = length_tag_key = "frame_len"
        self.header_mod = header_mod = digital.constellation_bpsk()
        self.fft_len = fft_len = 64
        self.Kw = Kw = 70 * 8
        self.variance = variance = 1 / pow(10, snr / 10.0)
        self.sync_word2 = sync_word2 = [
            0, 0, 0, 0, 0, 0, -1, -1, -1, -1, 1, 1, -1, -1, -1, 1, -1, 1, 1, 1,
            1, 1, -1, -1, -1, -1, -1, 1, -1, -1, 1, -1, 0, 1, -1, 1, 1, 1, -1,
            1, 1, 1, -1, 1, 1, 1, 1, -1, 1, -1, -1, -1, 1, -1, 1, -1, -1, -1,
            -1, 0, 0, 0, 0, 0
        ]
        self.sync_word1 = sync_word1 = [
            0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0.,
            1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0.,
            1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0.,
            -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0.,
            -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
            -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
            -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
            0., 0., 0., 0., 0.
        ]
        self.small_packet_len = small_packet_len = 52
        self.samp_rate = samp_rate = int(1e6)
        self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe(
            fft_len, payload_mod.base(), occupied_carriers, pilot_carriers,
            pilot_symbols, 0, 1)
        self.id_user = id_user = 0
        self.header_formatter = header_formatter = digital.packet_header_ofdm(
            occupied_carriers,
            n_syms=1,
            len_tag_key=packet_length_tag_key,
            frame_len_tag_key=length_tag_key,
            bits_per_header_sym=header_mod.bits_per_symbol(),
            bits_per_payload_sym=payload_mod.bits_per_symbol(),
            scramble_header=False)
        self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe(
            fft_len, header_mod.base(), occupied_carriers, pilot_carriers,
            pilot_symbols, 0, 1)
        self.freq = freq = 2450e6
        self.Users = Users = 4
        self.Nbfiles = Nbfiles = 20
        self.NbStrgUsers = NbStrgUsers = 1
        self.NbChuncks = NbChuncks = 200
        self.N = N = 2048
        self.Ks = Ks = 2 * Kw

        ##################################################
        # Blocks
        ##################################################
        self.zeromq_pub_msg_sink_0_0_0 = zeromq.pub_msg_sink(
            'tcp://*:5575', 10)
        self.zeromq_pub_msg_sink_0_0 = zeromq.pub_msg_sink('tcp://*:5555', 100)
        self.uhd_usrp_sink_0_0 = uhd.usrp_sink(
            ",".join(('', "")),
            uhd.stream_args(
                cpu_format="fc32",
                channels=range(1),
            ),
        )
        self.uhd_usrp_sink_0_0.set_clock_source('external', 0)
        self.uhd_usrp_sink_0_0.set_time_source('external', 0)
        self.uhd_usrp_sink_0_0.set_samp_rate(samp_rate)
        self.uhd_usrp_sink_0_0.set_time_unknown_pps(uhd.time_spec())
        self.uhd_usrp_sink_0_0.set_center_freq(freq, 0)
        self.uhd_usrp_sink_0_0.set_gain(gain, 0)
        self.uhd_usrp_sink_0_0.set_antenna('TX/RX', 0)
        self.projectCACHE_polarEnc_b_0_0 = projectCACHE.polarEnc_b(
            N, Nbfiles, NbChuncks, NbStrgUsers, id_user, small_packet_len,
            packet_length_tag_key)
        self.projectCACHE_map_header_payload_bc_0 = projectCACHE.map_header_payload_bc(
            4, 2, 'packet_len')
        self.fft_vxx_0_0 = fft.fft_vcc(fft_len, False, (()), True, 1)
        self.digital_packet_headergenerator_bb_0 = digital.packet_headergenerator_bb(
            header_formatter.formatter(), packet_length_tag_key)
        self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer(
            fft_len, fft_len + fft_len / 4, 0, packet_length_tag_key)
        self.digital_ofdm_carrier_allocator_cvc_0 = digital.ofdm_carrier_allocator_cvc(
            fft_len, occupied_carriers, pilot_carriers, pilot_symbols,
            (sync_word1, sync_word2), packet_length_tag_key)
        self.digital_chunks_to_symbols_xx_0_1 = digital.chunks_to_symbols_bc(
            (header_mod.points()), 1)
        self.blocks_tagged_stream_to_pdu_0 = blocks.tagged_stream_to_pdu(
            blocks.complex_t, 'packet_len')
        self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux(
            gr.sizeof_gr_complex * 1, packet_length_tag_key, 0)
        (self.blocks_tagged_stream_mux_0).set_max_output_buffer(8192)
        self.blocks_tag_gate_0 = blocks.tag_gate(gr.sizeof_gr_complex * 1,
                                                 False)
        self.blocks_tag_gate_0.set_single_key("")
        self.blocks_multiply_const_vxx_1 = blocks.multiply_const_vcc((.05, ))

        ##################################################
        # Connections
        ##################################################
        self.msg_connect((self.blocks_tagged_stream_to_pdu_0, 'pdus'),
                         (self.zeromq_pub_msg_sink_0_0_0, 'in'))
        self.msg_connect((self.projectCACHE_polarEnc_b_0_0, 'BER_INFO'),
                         (self.zeromq_pub_msg_sink_0_0, 'in'))
        self.connect((self.blocks_multiply_const_vxx_1, 0),
                     (self.uhd_usrp_sink_0_0, 0))
        self.connect((self.blocks_tag_gate_0, 0),
                     (self.blocks_multiply_const_vxx_1, 0))
        self.connect((self.blocks_tagged_stream_mux_0, 0),
                     (self.digital_ofdm_carrier_allocator_cvc_0, 0))
        self.connect((self.digital_chunks_to_symbols_xx_0_1, 0),
                     (self.blocks_tagged_stream_mux_0, 0))
        self.connect((self.digital_ofdm_carrier_allocator_cvc_0, 0),
                     (self.fft_vxx_0_0, 0))
        self.connect((self.digital_ofdm_cyclic_prefixer_0, 0),
                     (self.blocks_tag_gate_0, 0))
        self.connect((self.digital_ofdm_cyclic_prefixer_0, 0),
                     (self.blocks_tagged_stream_to_pdu_0, 0))
        self.connect((self.digital_packet_headergenerator_bb_0, 0),
                     (self.digital_chunks_to_symbols_xx_0_1, 0))
        self.connect((self.fft_vxx_0_0, 0),
                     (self.digital_ofdm_cyclic_prefixer_0, 0))
        self.connect((self.projectCACHE_map_header_payload_bc_0, 0),
                     (self.blocks_tagged_stream_mux_0, 1))
        self.connect((self.projectCACHE_polarEnc_b_0_0, 0),
                     (self.digital_packet_headergenerator_bb_0, 0))
        self.connect((self.projectCACHE_polarEnc_b_0_0, 0),
                     (self.projectCACHE_map_header_payload_bc_0, 0))
예제 #5
0
    def __init__(self):
        gr.top_block.__init__(self, "Polar Coding with Coded Caching")

        ##################################################
        # Variables
        ##################################################
        self.snr = snr = 40.0
        self.pilot_symbols = pilot_symbols = ((
            1,
            1,
            1,
            -1,
        ), )
        self.pilot_carriers = pilot_carriers = ((
            -21,
            -7,
            7,
            21,
        ), )
        self.payload_mod = payload_mod = digital.constellation_qpsk()
        self.packet_length_tag_key = packet_length_tag_key = "packet_len"
        self.occupied_carriers = occupied_carriers = (
            range(-26, -21) + range(-20, -7) + range(-6, 0) + range(1, 7) +
            range(8, 21) + range(22, 27), )
        self.length_tag_key = length_tag_key = "frame_len"
        self.header_mod = header_mod = digital.constellation_bpsk()
        self.fft_len = fft_len = 64
        self.Kw = Kw = 70 * 8
        self.variance = variance = 1 / pow(10, snr / 10.0)
        self.sync_word2 = sync_word2 = [
            0, 0, 0, 0, 0, 0, -1, -1, -1, -1, 1, 1, -1, -1, -1, 1, -1, 1, 1, 1,
            1, 1, -1, -1, -1, -1, -1, 1, -1, -1, 1, -1, 0, 1, -1, 1, 1, 1, -1,
            1, 1, 1, -1, 1, 1, 1, 1, -1, 1, -1, -1, -1, 1, -1, 1, -1, -1, -1,
            -1, 0, 0, 0, 0, 0
        ]
        self.sync_word1 = sync_word1 = [
            0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0.,
            1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0.,
            1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0.,
            -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0.,
            -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
            -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
            -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0.,
            0., 0., 0., 0., 0.
        ]
        self.small_packet_len = small_packet_len = 52
        self.samp_rate = samp_rate = 32000
        self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe(
            fft_len, payload_mod.base(), occupied_carriers, pilot_carriers,
            pilot_symbols, 0, 1)
        self.id_user = id_user = 2
        self.header_formatter = header_formatter = digital.packet_header_ofdm(
            occupied_carriers,
            n_syms=1,
            len_tag_key=packet_length_tag_key,
            frame_len_tag_key=length_tag_key,
            bits_per_header_sym=header_mod.bits_per_symbol(),
            bits_per_payload_sym=payload_mod.bits_per_symbol(),
            scramble_header=False)
        self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe(
            fft_len, header_mod.base(), occupied_carriers, pilot_carriers,
            pilot_symbols, 0, 1)
        self.code_rate = code_rate = 4
        self.Nbfiles = Nbfiles = 20
        self.NbUsersW = NbUsersW = 2
        self.NbStrgUsers = NbStrgUsers = 1
        self.NbChuncks = NbChuncks = 200
        self.N = N = 2048
        self.Ks = Ks = 2 * Kw

        ##################################################
        # Blocks
        ##################################################
        self.projectCACHE_polarEnc_b_0_0 = projectCACHE.polarEnc_b(
            N, Nbfiles, NbChuncks, NbStrgUsers, id_user, small_packet_len,
            packet_length_tag_key)
        self.projectCACHE_ofdm_frame_equalizer1_vcvc_0 = projectCACHE.ofdm_frame_equalizer1_vcvc(
            fft_len, fft_len / 4, length_tag_key, True, occupied_carriers,
            pilot_carriers, pilot_symbols, 0, True)
        self.projectCACHE_map_header_payload_bc_0 = projectCACHE.map_header_payload_bc(
            1, 2, packet_length_tag_key)
        self.projectCACHE_PolarDec_b_0_0 = projectCACHE.PolarDec_b(
            N, Nbfiles, NbChuncks, id_user, NbUsersW, small_packet_len, 42,
            code_rate, packet_length_tag_key)
        self.fft_vxx_1 = fft.fft_vcc(fft_len, True, (), True, 1)
        self.fft_vxx_0_0 = fft.fft_vcc(fft_len, False, (()), True, 1)
        self.fft_vxx_0 = fft.fft_vcc(fft_len, True, (()), True, 1)
        self.digital_packet_headerparser_b_0 = digital.packet_headerparser_b(
            header_formatter.base())
        self.digital_packet_headergenerator_bb_0 = digital.packet_headergenerator_bb(
            header_formatter.formatter(), packet_length_tag_key)
        self.digital_ofdm_sync_sc_cfb_0 = digital.ofdm_sync_sc_cfb(
            fft_len, fft_len / 4, False)
        self.digital_ofdm_serializer_vcc_payload = digital.ofdm_serializer_vcc(
            fft_len, occupied_carriers, length_tag_key, packet_length_tag_key,
            1, '', True)
        self.digital_ofdm_serializer_vcc_header = digital.ofdm_serializer_vcc(
            fft_len, occupied_carriers, length_tag_key, '', 0, '', True)
        self.digital_ofdm_frame_equalizer_vcvc_0 = digital.ofdm_frame_equalizer_vcvc(
            header_equalizer.base(), fft_len / 4, length_tag_key, True, 1)
        self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer(
            fft_len, fft_len + fft_len / 4, 0, packet_length_tag_key)
        self.digital_ofdm_chanest_vcvc_0 = digital.ofdm_chanest_vcvc(
            (sync_word1), (sync_word2), 1, 0, 3, False)
        self.digital_ofdm_carrier_allocator_cvc_0 = digital.ofdm_carrier_allocator_cvc(
            fft_len, occupied_carriers, pilot_carriers, pilot_symbols,
            (sync_word1, sync_word2), packet_length_tag_key)
        self.digital_header_payload_demux_0 = digital.header_payload_demux(
            3,
            fft_len,
            fft_len / 4,
            length_tag_key,
            "",
            True,
            gr.sizeof_gr_complex,
            "rx_time",
            samp_rate,
            (),
            0,
        )
        self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(
            header_mod.base())
        self.digital_chunks_to_symbols_xx_0_1 = digital.chunks_to_symbols_bc(
            (header_mod.points()), 1)
        self.blocks_throttle_0_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
                                                   samp_rate, True)
        self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux(
            gr.sizeof_gr_complex * 1, packet_length_tag_key, 0)
        (self.blocks_tagged_stream_mux_0).set_max_output_buffer(8192)
        self.blocks_tag_gate_0 = blocks.tag_gate(gr.sizeof_gr_complex * 1,
                                                 False)
        self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
        self.blocks_multiply_const_vxx_1 = blocks.multiply_const_vcc((1, ))
        self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex * 1,
                                           fft_len + fft_len / 4)
        self.blocks_add_xx_0 = blocks.add_vcc(1)
        self.analog_noise_source_x_0 = analog.noise_source_c(
            analog.GR_GAUSSIAN,
            numpy.sqrt(variance) * 0, numpy.random.randint(0, 500, None))
        self.analog_frequency_modulator_fc_0 = analog.frequency_modulator_fc(
            -2.0 / fft_len)

        ##################################################
        # Connections
        ##################################################
        self.msg_connect((self.digital_packet_headerparser_b_0, 'header_data'),
                         (self.digital_header_payload_demux_0, 'header_data'))
        self.connect((self.analog_frequency_modulator_fc_0, 0),
                     (self.blocks_multiply_xx_0, 0))
        self.connect((self.analog_noise_source_x_0, 0),
                     (self.blocks_add_xx_0, 1))
        self.connect((self.blocks_add_xx_0, 0), (self.blocks_delay_0, 0))
        self.connect((self.blocks_add_xx_0, 0),
                     (self.digital_ofdm_sync_sc_cfb_0, 0))
        self.connect((self.blocks_delay_0, 0), (self.blocks_multiply_xx_0, 1))
        self.connect((self.blocks_multiply_const_vxx_1, 0),
                     (self.blocks_throttle_0_0, 0))
        self.connect((self.blocks_multiply_xx_0, 0),
                     (self.digital_header_payload_demux_0, 0))
        self.connect((self.blocks_tag_gate_0, 0),
                     (self.blocks_multiply_const_vxx_1, 0))
        self.connect((self.blocks_tagged_stream_mux_0, 0),
                     (self.digital_ofdm_carrier_allocator_cvc_0, 0))
        self.connect((self.blocks_throttle_0_0, 0), (self.blocks_add_xx_0, 0))
        self.connect((self.digital_chunks_to_symbols_xx_0_1, 0),
                     (self.blocks_tagged_stream_mux_0, 0))
        self.connect((self.digital_constellation_decoder_cb_0, 0),
                     (self.digital_packet_headerparser_b_0, 0))
        self.connect((self.digital_header_payload_demux_0, 0),
                     (self.fft_vxx_0, 0))
        self.connect((self.digital_header_payload_demux_0, 1),
                     (self.fft_vxx_1, 0))
        self.connect((self.digital_ofdm_carrier_allocator_cvc_0, 0),
                     (self.fft_vxx_0_0, 0))
        self.connect((self.digital_ofdm_chanest_vcvc_0, 0),
                     (self.digital_ofdm_frame_equalizer_vcvc_0, 0))
        self.connect((self.digital_ofdm_cyclic_prefixer_0, 0),
                     (self.blocks_tag_gate_0, 0))
        self.connect((self.digital_ofdm_frame_equalizer_vcvc_0, 0),
                     (self.digital_ofdm_serializer_vcc_header, 0))
        self.connect((self.digital_ofdm_serializer_vcc_header, 0),
                     (self.digital_constellation_decoder_cb_0, 0))
        self.connect((self.digital_ofdm_serializer_vcc_payload, 0),
                     (self.projectCACHE_PolarDec_b_0_0, 0))
        self.connect((self.digital_ofdm_sync_sc_cfb_0, 0),
                     (self.analog_frequency_modulator_fc_0, 0))
        self.connect((self.digital_ofdm_sync_sc_cfb_0, 1),
                     (self.digital_header_payload_demux_0, 1))
        self.connect((self.digital_packet_headergenerator_bb_0, 0),
                     (self.digital_chunks_to_symbols_xx_0_1, 0))
        self.connect((self.fft_vxx_0, 0),
                     (self.digital_ofdm_chanest_vcvc_0, 0))
        self.connect((self.fft_vxx_0_0, 0),
                     (self.digital_ofdm_cyclic_prefixer_0, 0))
        self.connect((self.fft_vxx_1, 0),
                     (self.projectCACHE_ofdm_frame_equalizer1_vcvc_0, 0))
        self.connect((self.projectCACHE_map_header_payload_bc_0, 0),
                     (self.blocks_tagged_stream_mux_0, 1))
        self.connect((self.projectCACHE_ofdm_frame_equalizer1_vcvc_0, 0),
                     (self.digital_ofdm_serializer_vcc_payload, 0))
        self.connect((self.projectCACHE_polarEnc_b_0_0, 0),
                     (self.digital_packet_headergenerator_bb_0, 0))
        self.connect((self.projectCACHE_polarEnc_b_0_0, 0),
                     (self.projectCACHE_map_header_payload_bc_0, 0))