options:
  parameters:
    author: ''
    category: Custom
    cmake_opt: ''
    comment: ''
    copyright: ''
    description: simulation of data transmission
    gen_cmake: 'On'
    gen_linking: dynamic
    generate_options: qt_gui
    hier_block_src_path: '.:'
    id: MIMO_simulation
    max_nouts: '0'
    output_language: python
    placement: (0,0)
    qt_qss_theme: ''
    realtime_scheduling: ''
    run: 'True'
    run_command: '{python} -u {filename}'
    run_options: prompt
    sizing_mode: fixed
    thread_safe_setters: ''
    title: MIMO_simulition
    window_size: 4096,4096
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1, 0]
    rotation: 0
    state: enabled

blocks:
- name: center_freq
  id: variable
  parameters:
    comment: ''
    value: 5e8
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1184, 4]
    rotation: 0
    state: enabled
- name: fft_len
  id: variable
  parameters:
    comment: ''
    value: '64'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [301, -1]
    rotation: 0
    state: enabled
- name: hdr_format
  id: variable
  parameters:
    comment: ''
    value: digital.header_format_ofdm(occupied_carriers, 1, length_tag_key,)
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1272, 4]
    rotation: 0
    state: enabled
- name: header_equalizer
  id: variable
  parameters:
    comment: ''
    value: digital.ofdm_equalizer_simpledfe(fft_len, header_mod.base(), occupied_carriers,
      pilot_carriers, pilot_symbols)
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [864, 76]
    rotation: 0
    state: enabled
- name: header_formatter
  id: variable
  parameters:
    comment: ''
    value: digital.packet_header_ofdm(occupied_carriers, n_syms=1, len_tag_key=packet_length_tag_key,
      frame_len_tag_key=length_tag_key1, bits_per_header_sym=header_mod.bits_per_symbol(),
      bits_per_payload_sym=payload_mod.bits_per_symbol(), scramble_header=False)
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [800, 4]
    rotation: 0
    state: enabled
- name: header_mod
  id: variable
  parameters:
    comment: ''
    value: digital.constellation_bpsk()
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [490, 0]
    rotation: 0
    state: enabled
- name: length_tag_key
  id: variable
  parameters:
    comment: ''
    value: '"packet_len"'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1256, 76]
    rotation: 0
    state: enabled
- name: length_tag_key1
  id: variable
  parameters:
    comment: ''
    value: '"frame_len"'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [367, -1]
    rotation: 0
    state: enabled
- name: occupied_carriers
  id: variable
  parameters:
    comment: ''
    value: (list(range(-26, -21)) + list(range(-20, -7)) + list(range(-6, 0)) + list(range(1,
      7)) + list(range(8, 21)) + list(range(22, 27)),)
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [496, 76]
    rotation: 0
    state: enabled
- name: packet_len
  id: variable
  parameters:
    comment: ''
    value: '96'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [960, 4]
    rotation: 0
    state: enabled
- name: packet_length_tag_key
  id: variable
  parameters:
    comment: ''
    value: '"packet_len"'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1040, 4]
    rotation: 0
    state: enabled
- name: payload_equalizer
  id: variable
  parameters:
    comment: ''
    value: digital.ofdm_equalizer_simpledfe(fft_len, payload_mod.base(), occupied_carriers,
      pilot_carriers, pilot_symbols, 1)
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1032, 76]
    rotation: 0
    state: enabled
- name: payload_mod
  id: variable
  parameters:
    comment: ''
    value: digital.constellation_qpsk()
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [640, 4]
    rotation: 0
    state: enabled
- name: pilot_carriers
  id: variable
  parameters:
    comment: ''
    value: ((-21, -7, 7, 21,),)
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [640, 76]
    rotation: 0
    state: enabled
- name: pilot_symbols
  id: variable
  parameters:
    comment: ''
    value: ((1, 1, 1, -1,),)
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [760, 76]
    rotation: 0
    state: enabled
- name: rolloff
  id: variable
  parameters:
    comment: ''
    value: '0'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1192, 76]
    rotation: 0
    state: enabled
- name: samp_rate
  id: variable
  parameters:
    comment: ''
    value: '2000000'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [152, 52]
    rotation: 0
    state: enabled
- name: sync_word1
  id: variable
  parameters:
    comment: ''
    value: '[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.]'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [240, 76]
    rotation: 0
    state: enabled
- name: sync_word2
  id: variable
  parameters:
    comment: ''
    value: '[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]'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [360, 76]
    rotation: 0
    state: enabled
- name: sync_word3
  id: variable
  parameters:
    comment: ''
    value: '[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]'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [124, 267]
    rotation: 0
    state: enabled
- name: sync_word4
  id: variable
  parameters:
    comment: ''
    value: '[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]'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [64, 399]
    rotation: 0
    state: enabled
- name: sync_word5
  id: variable
  parameters:
    comment: ''
    value: '[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]'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [235, 479]
    rotation: 0
    state: enabled
- name: analog_frequency_modulator_fc_0
  id: analog_frequency_modulator_fc
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    sensitivity: -2.0/fft_len
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [2421, 35]
    rotation: 0
    state: enabled
- name: analog_frequency_modulator_fc_0_0
  id: analog_frequency_modulator_fc
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    sensitivity: -2.0/fft_len
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [2344, 1088]
    rotation: 0
    state: enabled
- name: analog_random_source_x_0
  id: analog_random_source_x
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    max: '255'
    maxoutbuf: '0'
    min: '0'
    minoutbuf: '0'
    num_samps: '1000'
    repeat: 'True'
    type: byte
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [0, 140]
    rotation: 0
    state: enabled
- name: analog_random_source_x_0_0
  id: analog_random_source_x
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    max: '255'
    maxoutbuf: '0'
    min: '0'
    minoutbuf: '0'
    num_samps: '1000'
    repeat: 'True'
    type: byte
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [16, 580]
    rotation: 0
    state: enabled
- name: blocks_delay_0
  id: blocks_delay
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    delay: int(fft_len+fft_len/4)
    maxoutbuf: '0'
    minoutbuf: '0'
    num_ports: '1'
    type: complex
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [2080, 216]
    rotation: 0
    state: enabled
- name: blocks_delay_0_0
  id: blocks_delay
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    delay: int(fft_len+fft_len/4)
    maxoutbuf: '0'
    minoutbuf: '0'
    num_ports: '1'
    type: complex
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [2120, 1176]
    rotation: 0
    state: enabled
- name: blocks_multiply_const_vxx_0
  id: blocks_multiply_const_vxx
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    const: '0.053'
    maxoutbuf: '0'
    minoutbuf: '0'
    type: complex
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [312, 352]
    rotation: 180
    state: enabled
- name: blocks_multiply_const_vxx_0_0
  id: blocks_multiply_const_vxx
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    const: '0.053'
    maxoutbuf: '0'
    minoutbuf: '0'
    type: complex
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [328, 792]
    rotation: 180
    state: enabled
- name: blocks_multiply_xx_0
  id: blocks_multiply_xx
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    num_inputs: '2'
    type: complex
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [2672, 196]
    rotation: 0
    state: enabled
- name: blocks_multiply_xx_0_0
  id: blocks_multiply_xx
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    num_inputs: '2'
    type: complex
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [2712, 1148]
    rotation: 0
    state: enabled
- name: blocks_repack_bits_bb_0
  id: blocks_repack_bits_bb
  parameters:
    affinity: ''
    alias: ''
    align_output: 'True'
    comment: ''
    endianness: gr.GR_LSB_FIRST
    k: payload_mod.bits_per_symbol()
    l: '8'
    len_tag_key: packet_length_tag_key
    maxoutbuf: '0'
    minoutbuf: '0'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [2928, 804]
    rotation: 0
    state: enabled
- name: blocks_repack_bits_bb_0_0
  id: blocks_repack_bits_bb
  parameters:
    affinity: ''
    alias: ''
    align_output: 'False'
    comment: ''
    endianness: gr.GR_LSB_FIRST
    k: '8'
    l: payload_mod.bits_per_symbol()
    len_tag_key: length_tag_key
    maxoutbuf: '0'
    minoutbuf: '0'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [376, 236]
    rotation: 0
    state: enabled
- name: blocks_repack_bits_bb_0_0_0
  id: blocks_repack_bits_bb
  parameters:
    affinity: ''
    alias: ''
    align_output: 'False'
    comment: ''
    endianness: gr.GR_LSB_FIRST
    k: '8'
    l: '1'
    len_tag_key: length_tag_key
    maxoutbuf: '0'
    minoutbuf: '0'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [640, 156]
    rotation: 0
    state: enabled
- name: blocks_repack_bits_bb_0_0_0_0
  id: blocks_repack_bits_bb
  parameters:
    affinity: ''
    alias: ''
    align_output: 'False'
    comment: ''
    endianness: gr.GR_LSB_FIRST
    k: '8'
    l: '1'
    len_tag_key: length_tag_key
    maxoutbuf: '0'
    minoutbuf: '0'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [656, 596]
    rotation: 0
    state: enabled
- name: blocks_repack_bits_bb_0_0_1
  id: blocks_repack_bits_bb
  parameters:
    affinity: ''
    alias: ''
    align_output: 'False'
    comment: ''
    endianness: gr.GR_LSB_FIRST
    k: '8'
    l: payload_mod.bits_per_symbol()
    len_tag_key: length_tag_key
    maxoutbuf: '0'
    minoutbuf: '0'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [392, 676]
    rotation: 0
    state: enabled
- name: blocks_repack_bits_bb_0_1
  id: blocks_repack_bits_bb
  parameters:
    affinity: ''
    alias: ''
    align_output: 'True'
    comment: ''
    endianness: gr.GR_LSB_FIRST
    k: payload_mod.bits_per_symbol()
    l: '8'
    len_tag_key: packet_length_tag_key
    maxoutbuf: '0'
    minoutbuf: '0'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [2968, 1756]
    rotation: 0
    state: enabled
- name: blocks_stream_to_tagged_stream_0
  id: blocks_stream_to_tagged_stream
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    len_tag_key: length_tag_key
    maxoutbuf: '0'
    minoutbuf: '0'
    packet_len: packet_len
    type: byte
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [144, 156]
    rotation: 0
    state: enabled
- name: blocks_stream_to_tagged_stream_0_0
  id: blocks_stream_to_tagged_stream
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    len_tag_key: length_tag_key
    maxoutbuf: '0'
    minoutbuf: '0'
    packet_len: packet_len
    type: byte
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [160, 596]
    rotation: 0
    state: enabled
- name: blocks_tag_debug_1
  id: blocks_tag_debug
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    display: 'True'
    filter: '""'
    name: Rx Bytes
    num_inputs: '1'
    type: byte
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [3120, 796]
    rotation: 0
    state: enabled
- name: blocks_tag_debug_1_0
  id: blocks_tag_debug
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    display: 'True'
    filter: '""'
    name: Rx Bytes
    num_inputs: '1'
    type: byte
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [3160, 1748]
    rotation: 0
    state: enabled
- name: blocks_tag_gate_0
  id: blocks_tag_gate
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    propagate_tags: 'False'
    single_key: '""'
    type: complex
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1264, 476]
    rotation: 0
    state: enabled
- name: blocks_tag_gate_0_0
  id: blocks_tag_gate
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    propagate_tags: 'False'
    single_key: '""'
    type: complex
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1264, 1284]
    rotation: 0
    state: enabled
- name: blocks_tagged_stream_mux_0
  id: blocks_tagged_stream_mux
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    lengthtagname: length_tag_key
    maxoutbuf: '0'
    minoutbuf: '0'
    ninputs: '2'
    tag_preserve_head_pos: '0'
    type: complex
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [984, 228]
    rotation: 0
    state: enabled
- name: blocks_tagged_stream_mux_0_0
  id: blocks_tagged_stream_mux
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    lengthtagname: length_tag_key
    maxoutbuf: '0'
    minoutbuf: '0'
    ninputs: '2'
    tag_preserve_head_pos: '0'
    type: complex
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1000, 668]
    rotation: 0
    state: enabled
- name: blocks_throttle_0
  id: blocks_throttle
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    ignoretag: 'True'
    maxoutbuf: '0'
    minoutbuf: '0'
    samples_per_second: '10000'
    type: complex
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1800, 216]
    rotation: 0
    state: enabled
- name: blocks_throttle_0_0
  id: blocks_throttle
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    ignoretag: 'True'
    maxoutbuf: '0'
    minoutbuf: '0'
    samples_per_second: '10000'
    type: complex
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1840, 1176]
    rotation: 0
    state: enabled
- name: channels_channel_model_0
  id: channels_channel_model
  parameters:
    affinity: ''
    alias: ''
    block_tags: 'False'
    comment: ''
    epsilon: '1.0'
    freq_offset: '0.0'
    maxoutbuf: '0'
    minoutbuf: '0'
    noise_voltage: '0.01'
    seed: '0'
    taps: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1456, 384]
    rotation: 0
    state: enabled
- name: channels_channel_model_0_0_0
  id: channels_channel_model
  parameters:
    affinity: ''
    alias: ''
    block_tags: 'False'
    comment: ''
    epsilon: '1'
    freq_offset: '0.0'
    maxoutbuf: '0'
    minoutbuf: '0'
    noise_voltage: '0.01'
    seed: '0'
    taps: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1456, 1320]
    rotation: 0
    state: enabled
- name: digital_chunks_to_symbols_xx_0
  id: digital_chunks_to_symbols_xx
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    dimension: '1'
    in_type: byte
    maxoutbuf: '0'
    minoutbuf: '0'
    num_ports: '1'
    out_type: complex
    symbol_table: header_mod.points()
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [808, 156]
    rotation: 0
    state: enabled
- name: digital_chunks_to_symbols_xx_0_0
  id: digital_chunks_to_symbols_xx
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    dimension: '1'
    in_type: byte
    maxoutbuf: '0'
    minoutbuf: '0'
    num_ports: '1'
    out_type: complex
    symbol_table: payload_mod.points()
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [560, 236]
    rotation: 0
    state: enabled
- name: digital_chunks_to_symbols_xx_0_0_0
  id: digital_chunks_to_symbols_xx
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    dimension: '1'
    in_type: byte
    maxoutbuf: '0'
    minoutbuf: '0'
    num_ports: '1'
    out_type: complex
    symbol_table: payload_mod.points()
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [576, 676]
    rotation: 0
    state: enabled
- name: digital_chunks_to_symbols_xx_0_1
  id: digital_chunks_to_symbols_xx
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    dimension: '1'
    in_type: byte
    maxoutbuf: '0'
    minoutbuf: '0'
    num_ports: '1'
    out_type: complex
    symbol_table: header_mod.points()
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [824, 596]
    rotation: 0
    state: enabled
- name: digital_constellation_decoder_cb_0
  id: digital_constellation_decoder_cb
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    constellation: header_mod.base()
    maxoutbuf: '0'
    minoutbuf: '0'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [2108, 413]
    rotation: 180
    state: enabled
- name: digital_constellation_decoder_cb_0_0
  id: digital_constellation_decoder_cb
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    constellation: header_mod.base()
    maxoutbuf: '0'
    minoutbuf: '0'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [2400, 1400]
    rotation: 180
    state: enabled
- name: digital_constellation_decoder_cb_1
  id: digital_constellation_decoder_cb
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    constellation: payload_mod.base()
    maxoutbuf: '0'
    minoutbuf: '0'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [2664, 816]
    rotation: 0
    state: enabled
- name: digital_constellation_decoder_cb_1_0
  id: digital_constellation_decoder_cb
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    constellation: payload_mod.base()
    maxoutbuf: '0'
    minoutbuf: '0'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [2704, 1776]
    rotation: 0
    state: enabled
- name: digital_header_payload_demux_0
  id: digital_header_payload_demux
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    guard_interval: int(fft_len/4)
    header_len: '4'
    header_padding: '0'
    items_per_symbol: fft_len
    length_tag_key: length_tag_key1
    maxoutbuf: '0'
    minoutbuf: '0'
    output_symbols: 'True'
    samp_rate: samp_rate
    special_tags: ()
    timing_tag_key: '"rx_time"'
    trigger_tag_key: '""'
    type: complex
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [2896, 64]
    rotation: 0
    state: enabled
- name: digital_header_payload_demux_0_0
  id: digital_header_payload_demux
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    guard_interval: int(fft_len/4)
    header_len: '4'
    header_padding: '0'
    items_per_symbol: fft_len
    length_tag_key: length_tag_key1
    maxoutbuf: '0'
    minoutbuf: '0'
    output_symbols: 'True'
    samp_rate: samp_rate
    special_tags: ()
    timing_tag_key: '"rx_time"'
    trigger_tag_key: '""'
    type: complex
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [2872, 1104]
    rotation: 0
    state: enabled
- name: digital_ofdm_carrier_allocator_cvc_0
  id: digital_ofdm_carrier_allocator_cvc
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    fft_len: fft_len
    len_tag_key: length_tag_key
    maxoutbuf: '0'
    minoutbuf: '0'
    occupied_carriers: occupied_carriers
    output_is_shifted: 'True'
    pilot_carriers: pilot_carriers
    pilot_symbols: pilot_symbols
    sync_words: (sync_word1, sync_word2, sync_word3)
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [936, 304]
    rotation: 180
    state: enabled
- name: digital_ofdm_carrier_allocator_cvc_0_0
  id: digital_ofdm_carrier_allocator_cvc
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    fft_len: fft_len
    len_tag_key: length_tag_key
    maxoutbuf: '0'
    minoutbuf: '0'
    occupied_carriers: occupied_carriers
    output_is_shifted: 'True'
    pilot_carriers: pilot_carriers
    pilot_symbols: pilot_symbols
    sync_words: (sync_word1, sync_word4, sync_word5)
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [952, 744]
    rotation: 180
    state: enabled
- name: digital_ofdm_chanest_vcvc_0
  id: digital_ofdm_chanest_vcvc
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    eq_noise_red_len: '0'
    force_one_symbol: 'False'
    max_carr_offset: '3'
    maxoutbuf: '0'
    minoutbuf: '0'
    n_data_symbols: '1'
    sync_symbol1: sync_word1
    sync_symbol2: sync_word2
    sync_symbol3: sync_word3
    sync_symbol4: sync_word4
    sync_symbol5: sync_word5
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [2924, 389]
    rotation: 180
    state: enabled
- name: digital_ofdm_cyclic_prefixer_0
  id: digital_ofdm_cyclic_prefixer
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    cp_len: int(fft_len/4)
    input_size: fft_len
    maxoutbuf: '0'
    minoutbuf: '0'
    rolloff: rolloff
    tagname: length_tag_key
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [464, 324]
    rotation: 180
    state: enabled
- name: digital_ofdm_cyclic_prefixer_0_0
  id: digital_ofdm_cyclic_prefixer
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    cp_len: int(fft_len/4)
    input_size: fft_len
    maxoutbuf: '0'
    minoutbuf: '0'
    rolloff: rolloff
    tagname: length_tag_key
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [480, 764]
    rotation: 180
    state: enabled
- name: digital_ofdm_frame_equalizer_vcvc_0
  id: digital_ofdm_frame_equalizer_vcvc
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    cp_len: int(fft_len/4)
    equalizer: header_equalizer.base()
    fft_len: fft_len
    fixed_frame_len: '1'
    len_tag_key: length_tag_key1
    maxoutbuf: '0'
    minoutbuf: '0'
    propagate_channel_state: 'True'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [2647, 409]
    rotation: 180
    state: enabled
- name: digital_ofdm_frame_equalizer_vcvc_1
  id: digital_ofdm_frame_equalizer_vcvc
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    cp_len: int(fft_len/4)
    equalizer: payload_equalizer.base()
    fft_len: fft_len
    fixed_frame_len: '0'
    len_tag_key: length_tag_key1
    maxoutbuf: '0'
    minoutbuf: '0'
    propagate_channel_state: 'True'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [2514, 553]
    rotation: 180
    state: enabled
- name: digital_ofdm_serializer_vcc_header
  id: digital_ofdm_serializer_vcc
  parameters:
    affinity: ''
    alias: ''
    carr_offset_key: ''
    comment: ''
    fft_len: fft_len
    input_is_shifted: 'True'
    len_tag_key: length_tag_key1
    maxoutbuf: '0'
    minoutbuf: '0'
    occupied_carriers: occupied_carriers
    packet_len_tag_key: ''
    symbols_skipped: '0'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [2383, 445]
    rotation: 180
    state: enabled
- name: digital_ofdm_serializer_vcc_header_0
  id: digital_ofdm_serializer_vcc
  parameters:
    affinity: ''
    alias: ''
    carr_offset_key: ''
    comment: ''
    fft_len: fft_len
    input_is_shifted: 'True'
    len_tag_key: length_tag_key1
    maxoutbuf: '0'
    minoutbuf: '0'
    occupied_carriers: occupied_carriers
    packet_len_tag_key: ''
    symbols_skipped: '0'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [2681, 1350]
    rotation: 180
    state: enabled
- name: digital_ofdm_serializer_vcc_payload
  id: digital_ofdm_serializer_vcc
  parameters:
    affinity: ''
    alias: ''
    carr_offset_key: ''
    comment: ''
    fft_len: fft_len
    input_is_shifted: 'True'
    len_tag_key: length_tag_key1
    maxoutbuf: '0'
    minoutbuf: '0'
    occupied_carriers: occupied_carriers
    packet_len_tag_key: packet_length_tag_key
    symbols_skipped: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [2287, 739]
    rotation: 0
    state: enabled
- name: digital_ofdm_serializer_vcc_payload_1
  id: digital_ofdm_serializer_vcc
  parameters:
    affinity: ''
    alias: ''
    carr_offset_key: ''
    comment: ''
    fft_len: fft_len
    input_is_shifted: 'True'
    len_tag_key: length_tag_key1
    maxoutbuf: '0'
    minoutbuf: '0'
    occupied_carriers: occupied_carriers
    packet_len_tag_key: packet_length_tag_key
    symbols_skipped: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [2352, 1640]
    rotation: 0
    state: enabled
- name: digital_ofdm_sync_sc_cfb_0
  id: digital_ofdm_sync_sc_cfb
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    cp_len: int(fft_len/4)
    fft_len: fft_len
    maxoutbuf: '0'
    minoutbuf: '0'
    threshold: '0.9'
    use_even_carriers: 'False'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [2072, 124]
    rotation: 0
    state: enabled
- name: digital_ofdm_sync_sc_cfb_0_0
  id: digital_ofdm_sync_sc_cfb
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    cp_len: int(fft_len/4)
    fft_len: fft_len
    maxoutbuf: '0'
    minoutbuf: '0'
    threshold: '0.9'
    use_even_carriers: 'False'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [2112, 1076]
    rotation: 0
    state: enabled
- name: digital_packet_headerparser_b_0
  id: digital_packet_headerparser_b
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    header_formatter: header_formatter.base()
    maxoutbuf: '0'
    minoutbuf: '0'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [2368, 264]
    rotation: 0
    state: enabled
- name: digital_packet_headerparser_b_0_0
  id: digital_packet_headerparser_b
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    header_formatter: header_formatter.base()
    maxoutbuf: '0'
    minoutbuf: '0'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [2408, 1224]
    rotation: 0
    state: enabled
- name: digital_protocol_formatter_bb_0
  id: digital_protocol_formatter_bb
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    format: hdr_format
    len_tag_key: length_tag_key
    maxoutbuf: '0'
    minoutbuf: '0'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [424, 156]
    rotation: 0
    state: enabled
- name: digital_protocol_formatter_bb_0_0
  id: digital_protocol_formatter_bb
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    format: hdr_format
    len_tag_key: length_tag_key
    maxoutbuf: '0'
    minoutbuf: '0'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [440, 596]
    rotation: 0
    state: enabled
- name: fft_vxx_0
  id: fft_vxx
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    fft_size: fft_len
    forward: 'True'
    maxoutbuf: '0'
    minoutbuf: '0'
    nthreads: '1'
    shift: 'True'
    type: complex
    window: ()
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [3284, 407]
    rotation: 180
    state: enabled
- name: fft_vxx_0_0
  id: fft_vxx
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    fft_size: fft_len
    forward: 'False'
    maxoutbuf: '0'
    minoutbuf: '0'
    nthreads: '1'
    shift: 'True'
    type: complex
    window: ()
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [696, 312]
    rotation: 180
    state: enabled
- name: fft_vxx_0_0_0
  id: fft_vxx
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    fft_size: fft_len
    forward: 'False'
    maxoutbuf: '0'
    minoutbuf: '0'
    nthreads: '1'
    shift: 'True'
    type: complex
    window: ()
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [712, 752]
    rotation: 180
    state: enabled
- name: fft_vxx_0_1
  id: fft_vxx
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    fft_size: fft_len
    forward: 'True'
    maxoutbuf: '0'
    minoutbuf: '0'
    nthreads: '1'
    shift: 'True'
    type: complex
    window: ()
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [3256, 1360]
    rotation: 180
    state: enabled
- name: fft_vxx_1
  id: fft_vxx
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    fft_size: fft_len
    forward: 'True'
    maxoutbuf: '0'
    minoutbuf: '0'
    nthreads: '1'
    shift: 'True'
    type: complex
    window: ()
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [3036, 549]
    rotation: 180
    state: enabled
- name: fft_vxx_1_0
  id: fft_vxx
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    fft_size: fft_len
    forward: 'True'
    maxoutbuf: '0'
    minoutbuf: '0'
    nthreads: '1'
    shift: 'True'
    type: complex
    window: ()
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [3088, 1504]
    rotation: 180
    state: enabled
- name: import_1
  id: import
  parameters:
    alias: ''
    comment: ''
    imports: from gnuradio.digital.utils import tagged_streams
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [163, 0]
    rotation: 0
    state: enabled
- name: qtgui_const_sink_x_0_0
  id: qtgui_const_sink_x
  parameters:
    affinity: ''
    alias: ''
    alpha1: '1.0'
    alpha10: '1.0'
    alpha2: '1.0'
    alpha3: '1.0'
    alpha4: '1.0'
    alpha5: '1.0'
    alpha6: '1.0'
    alpha7: '1.0'
    alpha8: '1.0'
    alpha9: '1.0'
    autoscale: 'True'
    axislabels: 'True'
    color1: '"blue"'
    color10: '"red"'
    color2: '"red"'
    color3: '"red"'
    color4: '"red"'
    color5: '"red"'
    color6: '"red"'
    color7: '"red"'
    color8: '"red"'
    color9: '"red"'
    comment: ''
    grid: 'False'
    gui_hint: ''
    label1: ''
    label10: ''
    label2: ''
    label3: ''
    label4: ''
    label5: ''
    label6: ''
    label7: ''
    label8: ''
    label9: ''
    legend: 'True'
    marker1: '0'
    marker10: '0'
    marker2: '0'
    marker3: '0'
    marker4: '0'
    marker5: '0'
    marker6: '0'
    marker7: '0'
    marker8: '0'
    marker9: '0'
    name: '""'
    nconnections: '1'
    size: '1024'
    style1: '0'
    style10: '0'
    style2: '0'
    style3: '0'
    style4: '0'
    style5: '0'
    style6: '0'
    style7: '0'
    style8: '0'
    style9: '0'
    tr_chan: '0'
    tr_level: '0.0'
    tr_mode: qtgui.TRIG_MODE_FREE
    tr_slope: qtgui.TRIG_SLOPE_POS
    tr_tag: '""'
    type: complex
    update_time: '0.10'
    width1: '1'
    width10: '1'
    width2: '1'
    width3: '1'
    width4: '1'
    width5: '1'
    width6: '1'
    width7: '1'
    width8: '1'
    width9: '1'
    xmax: '1.5'
    xmin: '-1.5'
    ymax: '1.5'
    ymin: '-1.5'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1232, 180]
    rotation: 0
    state: enabled
- name: qtgui_const_sink_x_0_0_0
  id: qtgui_const_sink_x
  parameters:
    affinity: ''
    alias: ''
    alpha1: '1.0'
    alpha10: '1.0'
    alpha2: '1.0'
    alpha3: '1.0'
    alpha4: '1.0'
    alpha5: '1.0'
    alpha6: '1.0'
    alpha7: '1.0'
    alpha8: '1.0'
    alpha9: '1.0'
    autoscale: 'True'
    axislabels: 'True'
    color1: '"blue"'
    color10: '"red"'
    color2: '"red"'
    color3: '"red"'
    color4: '"red"'
    color5: '"red"'
    color6: '"red"'
    color7: '"red"'
    color8: '"red"'
    color9: '"red"'
    comment: ''
    grid: 'False'
    gui_hint: ''
    label1: ''
    label10: ''
    label2: ''
    label3: ''
    label4: ''
    label5: ''
    label6: ''
    label7: ''
    label8: ''
    label9: ''
    legend: 'True'
    marker1: '0'
    marker10: '0'
    marker2: '0'
    marker3: '0'
    marker4: '0'
    marker5: '0'
    marker6: '0'
    marker7: '0'
    marker8: '0'
    marker9: '0'
    name: '""'
    nconnections: '1'
    size: '1024'
    style1: '0'
    style10: '0'
    style2: '0'
    style3: '0'
    style4: '0'
    style5: '0'
    style6: '0'
    style7: '0'
    style8: '0'
    style9: '0'
    tr_chan: '0'
    tr_level: '0.0'
    tr_mode: qtgui.TRIG_MODE_FREE
    tr_slope: qtgui.TRIG_SLOPE_POS
    tr_tag: '""'
    type: complex
    update_time: '0.10'
    width1: '1'
    width10: '1'
    width2: '1'
    width3: '1'
    width4: '1'
    width5: '1'
    width6: '1'
    width7: '1'
    width8: '1'
    width9: '1'
    xmax: '1.5'
    xmin: '-1.5'
    ymax: '1.5'
    ymin: '-1.5'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1248, 620]
    rotation: 0
    state: enabled
- name: qtgui_const_sink_x_0_0_0_0_0
  id: qtgui_const_sink_x
  parameters:
    affinity: ''
    alias: ''
    alpha1: '1.0'
    alpha10: '1.0'
    alpha2: '1.0'
    alpha3: '1.0'
    alpha4: '1.0'
    alpha5: '1.0'
    alpha6: '1.0'
    alpha7: '1.0'
    alpha8: '1.0'
    alpha9: '1.0'
    autoscale: 'True'
    axislabels: 'True'
    color1: '"blue"'
    color10: '"red"'
    color2: '"red"'
    color3: '"red"'
    color4: '"red"'
    color5: '"red"'
    color6: '"red"'
    color7: '"red"'
    color8: '"red"'
    color9: '"red"'
    comment: ''
    grid: 'False'
    gui_hint: ''
    label1: ''
    label10: ''
    label2: ''
    label3: ''
    label4: ''
    label5: ''
    label6: ''
    label7: ''
    label8: ''
    label9: ''
    legend: 'True'
    marker1: '0'
    marker10: '0'
    marker2: '0'
    marker3: '0'
    marker4: '0'
    marker5: '0'
    marker6: '0'
    marker7: '0'
    marker8: '0'
    marker9: '0'
    name: '""'
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connections:
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- [blocks_multiply_xx_0_0, '0', digital_header_payload_demux_0_0, '0']
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- [blocks_stream_to_tagged_stream_0_0, '0', digital_protocol_formatter_bb_0_0, '0']
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- [blocks_tag_gate_0_0, '0', channels_channel_model_0_0_0, '0']
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- [blocks_tagged_stream_mux_0, '0', qtgui_const_sink_x_0_0, '0']
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- [blocks_tagged_stream_mux_0_0, '0', qtgui_const_sink_x_0_0_0, '0']
- [blocks_throttle_0, '0', blocks_delay_0, '0']
- [blocks_throttle_0, '0', digital_ofdm_sync_sc_cfb_0, '0']
- [blocks_throttle_0_0, '0', blocks_delay_0_0, '0']
- [blocks_throttle_0_0, '0', digital_ofdm_sync_sc_cfb_0_0, '0']
- [channels_channel_model_0, '0', blocks_throttle_0, '0']
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- [digital_constellation_decoder_cb_0_0, '0', digital_packet_headerparser_b_0_0, '0']
- [digital_constellation_decoder_cb_1, '0', blocks_repack_bits_bb_0, '0']
- [digital_constellation_decoder_cb_1_0, '0', blocks_repack_bits_bb_0_1, '0']
- [digital_header_payload_demux_0, '0', fft_vxx_0, '0']
- [digital_header_payload_demux_0, '1', virtual_sink_1, '0']
- [digital_header_payload_demux_0_0, '0', fft_vxx_0_1, '0']
- [digital_header_payload_demux_0_0, '1', virtual_sink_1_0, '0']
- [digital_ofdm_carrier_allocator_cvc_0, '0', fft_vxx_0_0, '0']
- [digital_ofdm_carrier_allocator_cvc_0_0, '0', fft_vxx_0_0_0, '0']
- [digital_ofdm_chanest_vcvc_0, '0', digital_ofdm_frame_equalizer_vcvc_0, '0']
- [digital_ofdm_chanest_vcvc_0, '1', digital_ofdm_frame_equalizer_vcvc_0, '1']
- [digital_ofdm_cyclic_prefixer_0, '0', blocks_multiply_const_vxx_0, '0']
- [digital_ofdm_cyclic_prefixer_0_0, '0', blocks_multiply_const_vxx_0_0, '0']
- [digital_ofdm_frame_equalizer_vcvc_0, '0', digital_ofdm_serializer_vcc_header, '0']
- [digital_ofdm_frame_equalizer_vcvc_0, '1', digital_ofdm_serializer_vcc_header_0,
  '0']
- [digital_ofdm_frame_equalizer_vcvc_1, '0', digital_ofdm_serializer_vcc_payload,
  '0']
- [digital_ofdm_frame_equalizer_vcvc_1, '1', digital_ofdm_serializer_vcc_payload_1,
  '0']
- [digital_ofdm_serializer_vcc_header, '0', digital_constellation_decoder_cb_0, '0']
- [digital_ofdm_serializer_vcc_header, '0', qtgui_const_sink_x_0_0_0_2_1_0, '0']
- [digital_ofdm_serializer_vcc_header, '0', qtgui_time_sink_x_0_1_0, '0']
- [digital_ofdm_serializer_vcc_header_0, '0', digital_constellation_decoder_cb_0_0,
  '0']
- [digital_ofdm_serializer_vcc_header_0, '0', qtgui_const_sink_x_0_0_0_0_0, '0']
- [digital_ofdm_serializer_vcc_header_0, '0', qtgui_time_sink_x_0_1_0_0, '0']
- [digital_ofdm_serializer_vcc_payload, '0', digital_constellation_decoder_cb_1, '0']
- [digital_ofdm_serializer_vcc_payload, '0', qtgui_const_sink_x_0_0_0_2, '0']
- [digital_ofdm_serializer_vcc_payload, '0', qtgui_time_sink_x_0_1, '0']
- [digital_ofdm_serializer_vcc_payload_1, '0', digital_constellation_decoder_cb_1_0,
  '0']
- [digital_ofdm_serializer_vcc_payload_1, '0', qtgui_const_sink_x_0_0_0_2_1, '0']
- [digital_ofdm_serializer_vcc_payload_1, '0', qtgui_time_sink_x_0_1_1, '0']
- [digital_ofdm_sync_sc_cfb_0, '0', analog_frequency_modulator_fc_0, '0']
- [digital_ofdm_sync_sc_cfb_0, '1', digital_header_payload_demux_0, '1']
- [digital_ofdm_sync_sc_cfb_0_0, '0', analog_frequency_modulator_fc_0_0, '0']
- [digital_ofdm_sync_sc_cfb_0_0, '1', digital_header_payload_demux_0_0, '1']
- [digital_packet_headerparser_b_0, header_data, digital_header_payload_demux_0, header_data]
- [digital_packet_headerparser_b_0_0, header_data, digital_header_payload_demux_0_0,
  header_data]
- [digital_protocol_formatter_bb_0, '0', blocks_repack_bits_bb_0_0_0, '0']
- [digital_protocol_formatter_bb_0_0, '0', blocks_repack_bits_bb_0_0_0_0, '0']
- [fft_vxx_0, '0', digital_ofdm_chanest_vcvc_0, '0']
- [fft_vxx_0_0, '0', digital_ofdm_cyclic_prefixer_0, '0']
- [fft_vxx_0_0_0, '0', digital_ofdm_cyclic_prefixer_0_0, '0']
- [fft_vxx_0_1, '0', digital_ofdm_chanest_vcvc_0, '1']
- [fft_vxx_1, '0', digital_ofdm_frame_equalizer_vcvc_1, '0']
- [fft_vxx_1_0, '0', digital_ofdm_frame_equalizer_vcvc_1, '1']
- [virtual_source_1, '0', fft_vxx_1, '0']
- [virtual_source_1_0, '0', fft_vxx_1_0, '0']

metadata:
  file_format: 1