options:
  parameters:
    author: Pross Naoki, Halter Sara Cinzia
    category: '[GRC Hier Blocks]'
    cmake_opt: ''
    comment: ''
    copyright: ''
    description: ''
    gen_cmake: 'On'
    gen_linking: dynamic
    generate_options: qt_gui
    hier_block_src_path: '.:'
    id: qam_nogui
    max_nouts: '0'
    output_language: python
    placement: (0,0)
    qt_qss_theme: ''
    realtime_scheduling: '1'
    run: 'True'
    run_command: '{python} -u {filename}'
    run_options: prompt
    sizing_mode: fixed
    thread_safe_setters: ''
    title: QAM
    window_size: ''
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [8, 8]
    rotation: 0
    state: enabled

blocks:
- name: chn_taps
  id: variable
  parameters:
    comment: ''
    value: '[1.0 + 0.0j, ]'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [880, 256.0]
    rotation: 0
    state: true
- name: const
  id: variable_constellation
  parameters:
    comment: ''
    const_points: '[-1-1j, -1+1j, 1+1j, 1-1j]'
    dims: '1'
    precision: '8'
    rot_sym: '4'
    soft_dec_lut: None
    sym_map: '[0, 1, 3, 2]'
    type: 16qam
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [464, 608.0]
    rotation: 0
    state: true
- name: eq_gain
  id: variable_qtgui_range
  parameters:
    comment: ''
    gui_hint: 'params@1: 0,0,1,1'
    label: Equalizer Rate
    min_len: '200'
    orient: Qt.Horizontal
    rangeType: float
    start: '0'
    step: '.001'
    stop: '.1'
    value: '.01'
    widget: counter_slider
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1584, 460.0]
    rotation: 0
    state: true
- name: eq_mod
  id: variable
  parameters:
    comment: ''
    value: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1584, 392.0]
    rotation: 0
    state: true
- name: eq_ntaps
  id: variable
  parameters:
    comment: ''
    value: '15'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1664, 392.0]
    rotation: 0
    state: true
- name: excess_bw
  id: variable
  parameters:
    comment: ''
    value: 350e-3
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [560, 272.0]
    rotation: 0
    state: true
- name: freq_offset
  id: variable_qtgui_range
  parameters:
    comment: ''
    gui_hint: 'params@0: 1,0,1,1'
    label: Frequency Offset
    min_len: '200'
    orient: Qt.Horizontal
    rangeType: float
    start: -100e-3
    step: 1e-3
    stop: 100e-3
    value: '0'
    widget: counter_slider
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [880, 460.0]
    rotation: 0
    state: true
- name: nfilts
  id: variable
  parameters:
    comment: ''
    value: '32'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1248, 480.0]
    rotation: 0
    state: true
- name: noise_volt
  id: variable_qtgui_range
  parameters:
    comment: ''
    gui_hint: 'params@0: 0,0,1,1'
    label: Noise Voltage
    min_len: '200'
    orient: Qt.Horizontal
    rangeType: float
    start: '0'
    step: '0.01'
    stop: '1'
    value: '0.0001'
    widget: counter_slider
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [752, 460.0]
    rotation: 0
    state: true
- name: phase_bw
  id: variable_qtgui_range
  parameters:
    comment: ''
    gui_hint: 'params@1: 1,0,1,1'
    label: Phase Bandwidth
    min_len: '200'
    orient: Qt.Horizontal
    rangeType: float
    start: '0'
    step: '.01'
    stop: '1'
    value: 2 * 3.141592653589793 / 100
    widget: counter_slider
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1888, 428.0]
    rotation: 0
    state: true
- name: qam_const
  id: variable_constellation_rect
  parameters:
    comment: ''
    const_points: '[(-3-3j), (-1-3j), (1-3j), (3-3j), (-3-1j), (-1-1j), (1-1j), (3-1j),
      (-3+1j), (-1+1j), (1+1j), (3+1j), (-3+3j), (-1+3j), (1+3j), (3+3j)]'
    imag_sect: '1'
    precision: '4'
    real_sect: '1'
    rot_sym: '4'
    soft_dec_lut: None
    sym_map: '[0, 4, 12, 8, 1, 5, 13, 9, 3, 7, 15, 11, 2, 6, 14, 10]'
    w_imag_sect: '1'
    w_real_sect: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [464, 444.0]
    rotation: 0
    state: true
- name: rrc_taps
  id: variable
  parameters:
    comment: ''
    value: firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), excess_bw, 45*nfilts)
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1328, 480.0]
    rotation: 0
    state: true
- name: samp_rate
  id: variable
  parameters:
    comment: ''
    value: '32000'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [192, 12.0]
    rotation: 0
    state: enabled
- name: sps
  id: variable
  parameters:
    comment: ''
    value: '4'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [464, 272.0]
    rotation: 0
    state: true
- name: time_offset
  id: variable_qtgui_range
  parameters:
    comment: ''
    gui_hint: 'params@0: 0,1,1,1'
    label: Timing Offset
    min_len: '200'
    orient: Qt.Horizontal
    rangeType: float
    start: '0.999'
    step: '0.0001'
    stop: '1.001'
    value: '1.0'
    widget: counter_slider
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [752, 604.0]
    rotation: 0
    state: true
- name: timing_loop_bw
  id: variable_qtgui_range
  parameters:
    comment: ''
    gui_hint: 'params@0: 1,1,1,1'
    label: Time Bandwidth
    min_len: '200'
    orient: Qt.Horizontal
    rangeType: float
    start: '0'
    step: 10e-3
    stop: 200e-3
    value: 2 * 3.141592653589793 / 100
    widget: counter_slider
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1248, 556.0]
    rotation: 0
    state: true
- name: blocks_null_sink_0
  id: blocks_null_sink
  parameters:
    affinity: ''
    alias: ''
    bus_structure_sink: '[[0,],]'
    comment: ''
    num_inputs: '1'
    type: byte
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [2424, 416.0]
    rotation: 0
    state: true
- name: blocks_throttle_0
  id: blocks_throttle
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    ignoretag: 'True'
    maxoutbuf: '0'
    minoutbuf: '0'
    samples_per_second: samp_rate
    type: complex
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [704, 360.0]
    rotation: 0
    state: enabled
- name: blocks_vector_to_stream_0
  id: blocks_vector_to_stream
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    num_items: '512'
    type: byte
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [240, 360.0]
    rotation: 0
    state: true
- name: channels_channel_model_0
  id: channels_channel_model
  parameters:
    affinity: ''
    alias: ''
    block_tags: 'False'
    comment: ''
    epsilon: time_offset
    freq_offset: freq_offset
    maxoutbuf: '0'
    minoutbuf: '0'
    noise_voltage: noise_volt
    seed: '0'
    taps: chn_taps
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [880, 316.0]
    rotation: 0
    state: enabled
- name: digital_cma_equalizer_cc_0
  id: digital_cma_equalizer_cc
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    modulus: eq_mod
    mu: eq_gain
    num_taps: eq_ntaps
    sps: sps
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1584, 288.0]
    rotation: 0
    state: true
- name: digital_constellation_decoder_cb_0
  id: digital_constellation_decoder_cb
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    constellation: const
    maxoutbuf: '0'
    minoutbuf: '0'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [2224, 280.0]
    rotation: 0
    state: true
- name: digital_constellation_modulator_0
  id: digital_constellation_modulator
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    constellation: const
    differential: 'True'
    excess_bw: excess_bw
    log: 'False'
    maxoutbuf: '0'
    minoutbuf: '0'
    samples_per_symbol: sps
    verbose: 'False'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [464, 336.0]
    rotation: 0
    state: enabled
- name: digital_costas_loop_cc_0
  id: digital_costas_loop_cc
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    order: '4'
    use_snr: 'False'
    w: phase_bw
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1888, 288.0]
    rotation: 0
    state: true
- name: digital_diff_decoder_bb_0
  id: digital_diff_decoder_bb
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    modulus: '4'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [2224, 352.0]
    rotation: 180
    state: true
- name: digital_map_bb_0
  id: digital_map_bb
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    map: '[0, 1, 3, 2]'
    maxoutbuf: '0'
    minoutbuf: '0'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [2224, 424.0]
    rotation: 0
    state: true
- name: digital_pfb_clock_sync_xxx_0
  id: digital_pfb_clock_sync_xxx
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    filter_size: nfilts
    init_phase: nfilts/2
    loop_bw: timing_loop_bw
    max_dev: '1.5'
    maxoutbuf: '0'
    minoutbuf: '0'
    osps: sps
    sps: sps * 1.001
    taps: rrc_taps
    type: ccf
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1248, 308.0]
    rotation: 0
    state: true
- name: fadingui_datasource_0
  id: fadingui_datasource
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    file_list: '["./lena512color.tiff"]'
    maxoutbuf: '0'
    minoutbuf: '0'
    sock_addr: udp://
    vec_len: '512'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [40, 276.0]
    rotation: 0
    state: true
- name: params
  id: qtgui_tab_widget
  parameters:
    alias: ''
    comment: ''
    gui_hint: ''
    label0: Channel
    label1: Receiver
    label10: Tab 10
    label11: Tab 11
    label12: Tab 12
    label13: Tab 13
    label14: Tab 14
    label15: Tab 15
    label16: Tab 16
    label17: Tab 17
    label18: Tab 18
    label19: Tab 19
    label2: Tab 2
    label3: Tab 3
    label4: Tab 4
    label5: Tab 5
    label6: Tab 6
    label7: Tab 7
    label8: Tab 8
    label9: Tab 9
    num_tabs: '2'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [296, 12.0]
    rotation: 0
    state: true
- name: plots
  id: qtgui_tab_widget
  parameters:
    alias: ''
    comment: ''
    gui_hint: ''
    label0: Constellations
    label1: Frequency
    label10: Tab 10
    label11: Tab 11
    label12: Tab 12
    label13: Tab 13
    label14: Tab 14
    label15: Tab 15
    label16: Tab 16
    label17: Tab 17
    label18: Tab 18
    label19: Tab 19
    label2: Time
    label3: Tab 3
    label4: Tab 4
    label5: Tab 5
    label6: Tab 6
    label7: Tab 7
    label8: Tab 8
    label9: Tab 9
    num_tabs: '3'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [448, 12.0]
    rotation: 0
    state: true

connections:
- [blocks_throttle_0, '0', channels_channel_model_0, '0']
- [blocks_vector_to_stream_0, '0', digital_constellation_modulator_0, '0']
- [channels_channel_model_0, '0', digital_pfb_clock_sync_xxx_0, '0']
- [digital_cma_equalizer_cc_0, '0', digital_costas_loop_cc_0, '0']
- [digital_constellation_decoder_cb_0, '0', digital_diff_decoder_bb_0, '0']
- [digital_constellation_modulator_0, '0', blocks_throttle_0, '0']
- [digital_costas_loop_cc_0, '0', digital_constellation_decoder_cb_0, '0']
- [digital_diff_decoder_bb_0, '0', digital_map_bb_0, '0']
- [digital_map_bb_0, '0', blocks_null_sink_0, '0']
- [digital_pfb_clock_sync_xxx_0, '0', digital_cma_equalizer_cc_0, '0']
- [fadingui_datasource_0, '0', blocks_vector_to_stream_0, '0']

metadata:
  file_format: 1