options:
  parameters:
    author: ''
    catch_exceptions: 'True'
    category: Custom
    cmake_opt: ''
    comment: ''
    copyright: ''
    description: ''
    gen_cmake: 'On'
    gen_linking: dynamic
    generate_options: qt_gui
    hier_block_src_path: '.:'
    id: mpsk_stage6
    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: mpsk_stage6.grc
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [16, 20.0]
    rotation: 0
    state: enabled

blocks:
- name: arity
  id: variable
  parameters:
    comment: ''
    value: '4'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [272, 20.0]
    rotation: 0
    state: enabled
- name: delay
  id: variable_qtgui_range
  parameters:
    comment: ''
    gui_hint: 1,0,1,1
    label: Delay
    min_len: '200'
    orient: QtCore.Qt.Horizontal
    rangeType: float
    start: '0'
    step: '1'
    stop: '200'
    value: '50'
    widget: counter_slider
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [752, 500.0]
    rotation: 0
    state: enabled
- name: eq_gain
  id: variable_qtgui_range
  parameters:
    comment: ''
    gui_hint: 'controls@1: 0,1,1,1'
    label: 'Equalizer: rate'
    min_len: '200'
    orient: QtCore.Qt.Horizontal
    rangeType: float
    start: '0.0'
    step: '0.001'
    stop: '0.1'
    value: '0.01'
    widget: slider
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1008, 500.0]
    rotation: 0
    state: enabled
- name: excess_bw
  id: variable
  parameters:
    comment: ''
    value: '0.35'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [416, 20.0]
    rotation: 0
    state: enabled
- name: freq_offset
  id: variable_qtgui_range
  parameters:
    comment: ''
    gui_hint: 'controls@0: 0,1,1,1'
    label: Frequency Offset
    min_len: '200'
    orient: QtCore.Qt.Horizontal
    rangeType: float
    start: '-0.1'
    step: '0.001'
    stop: '0.1'
    value: '0'
    widget: counter_slider
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [16, 500.0]
    rotation: 0
    state: enabled
- name: nfilts
  id: variable
  parameters:
    comment: ''
    value: '32'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [696, 20.0]
    rotation: 0
    state: enabled
- name: noise_volt
  id: variable_qtgui_range
  parameters:
    comment: ''
    gui_hint: 'controls@0: 0,0,1,1'
    label: Noise Voltage
    min_len: '200'
    orient: QtCore.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: [16, 204.0]
    rotation: 0
    state: enabled
- name: phase_bw
  id: variable_qtgui_range
  parameters:
    comment: ''
    gui_hint: 'controls@1: 0,2,1,1'
    label: 'Phase: Bandwidth'
    min_len: '200'
    orient: QtCore.Qt.Horizontal
    rangeType: float
    start: '0.0'
    step: '0.01'
    stop: '1.0'
    value: 6.28/100.0
    widget: slider
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1144, 404.0]
    rotation: 0
    state: enabled
- name: qpsk
  id: variable_constellation_rect
  parameters:
    comment: ''
    const_points: '[0.707+0.707j, -0.707+0.707j, -0.707-0.707j, 0.707-0.707j]'
    imag_sect: '2'
    precision: '8'
    real_sect: '2'
    rot_sym: '4'
    soft_dec_lut: None
    sym_map: '[0, 1, 2, 3]'
    w_imag_sect: '1'
    w_real_sect: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [16, 340.0]
    rotation: 0
    state: enabled
- name: rrc_taps
  id: variable
  parameters:
    comment: ''
    value: firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), 0.35, 11*sps*nfilts)
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [768, 20.0]
    rotation: 0
    state: enabled
- name: samp_rate
  id: variable
  parameters:
    comment: ''
    value: '32000'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [184, 20.0]
    rotation: 0
    state: enabled
- name: sps
  id: variable
  parameters:
    comment: ''
    value: '4'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [344, 20.0]
    rotation: 0
    state: enabled
- name: taps
  id: variable
  parameters:
    comment: ''
    value: '[1.0, 0.25-0.25j, 0.50 + 0.10j, -0.3 + 0.2j]'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [512, 20.0]
    rotation: 0
    state: enabled
- name: time_offset
  id: variable_qtgui_range
  parameters:
    comment: ''
    gui_hint: 'controls@0: 0,2,1,1'
    label: Timing Offset
    min_len: '200'
    orient: QtCore.Qt.Horizontal
    rangeType: float
    start: '0.999'
    step: '0.0001'
    stop: '1.001'
    value: '1.00'
    widget: counter_slider
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [160, 500.0]
    rotation: 0
    state: enabled
- name: timing_loop_bw
  id: variable_qtgui_range
  parameters:
    comment: ''
    gui_hint: 'controls@1: 0,0,1,1'
    label: 'Time: BW'
    min_len: '200'
    orient: QtCore.Qt.Horizontal
    rangeType: float
    start: '0.0'
    step: '0.01'
    stop: '0.2'
    value: 6.28/100.0
    widget: slider
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [872, 500.0]
    rotation: 0
    state: enabled
- name: variable_adaptive_algorithm_0
  id: variable_adaptive_algorithm
  parameters:
    comment: ''
    cons: qpsk
    delta: '10.0'
    ffactor: '0.99'
    modulus: '4'
    step_size: '.0001'
    type: cma
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [968, 404.0]
    rotation: 0
    state: true
- 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: '10000'
    repeat: 'True'
    type: byte
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [16, 100.0]
    rotation: 0
    state: enabled
- name: blocks_char_to_float_0
  id: blocks_char_to_float
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    scale: '1'
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [648, 324.0]
    rotation: 0
    state: enabled
- name: blocks_char_to_float_0_0
  id: blocks_char_to_float
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    scale: '1'
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [640, 388.0]
    rotation: 0
    state: enabled
- name: blocks_char_to_float_0_0_0
  id: blocks_char_to_float
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    scale: '1'
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [480, 436.0]
    rotation: 0
    state: enabled
- name: blocks_delay_0
  id: blocks_delay
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    delay: int(delay)
    maxoutbuf: '0'
    minoutbuf: '0'
    num_ports: '1'
    type: float
    vlen: '1'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [640, 440.0]
    rotation: 0
    state: enabled
- 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: [424, 140.0]
    rotation: 0
    state: enabled
- name: blocks_unpack_k_bits_bb_0
  id: blocks_unpack_k_bits_bb
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    k: '2'
    maxoutbuf: '0'
    minoutbuf: '0'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [480, 388.0]
    rotation: 0
    state: enabled
- name: blocks_unpack_k_bits_bb_0_0
  id: blocks_unpack_k_bits_bb
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    k: '8'
    maxoutbuf: '0'
    minoutbuf: '0'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [320, 436.0]
    rotation: 0
    state: enabled
- 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: taps
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [592, 100.0]
    rotation: 0
    state: enabled
- name: controls
  id: qtgui_tab_widget
  parameters:
    alias: ''
    comment: ''
    gui_hint: 0,0,1,2
    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: [288, 532.0]
    rotation: 0
    state: enabled
- name: digital_constellation_decoder_cb_0
  id: digital_constellation_decoder_cb
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    constellation: qpsk
    maxoutbuf: '0'
    minoutbuf: '0'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [776, 260.0]
    rotation: 180
    state: true
- name: digital_constellation_modulator_0
  id: digital_constellation_modulator
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    constellation: qpsk
    differential: 'True'
    excess_bw: excess_bw
    log: 'False'
    maxoutbuf: '0'
    minoutbuf: '0'
    samples_per_symbol: sps
    truncate: 'False'
    verbose: 'False'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [184, 100.0]
    rotation: 0
    state: enabled
- name: digital_costas_loop_cc_0
  id: digital_costas_loop_cc
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    order: arity
    use_snr: 'False'
    w: phase_bw
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1096, 264.0]
    rotation: 180
    state: enabled
- 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: [528, 260.0]
    rotation: 180
    state: enabled
- name: digital_linear_equalizer_0
  id: digital_linear_equalizer
  parameters:
    adapt_after_training: 'True'
    affinity: ''
    alg: variable_adaptive_algorithm_0
    alias: ''
    comment: ''
    maxoutbuf: '0'
    minoutbuf: '0'
    num_taps: '15'
    sps: '2'
    training_sequence: '[ ]'
    training_start_tag: corr_est
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1072, 64.0]
    rotation: 0
    state: enabled
- name: digital_map_bb_0
  id: digital_map_bb
  parameters:
    affinity: ''
    alias: ''
    comment: ''
    map: '[0,1,2,3]'
    maxoutbuf: '0'
    minoutbuf: '0'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [384, 260.0]
    rotation: 180
    state: enabled
- 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: '2'
    sps: sps
    taps: rrc_taps
    type: ccf
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [824, 92.0]
    rotation: 0
    state: enabled
- name: note_0
  id: note
  parameters:
    alias: ''
    comment: 'The CMA equalizer has been

      replaced by a Linear Equalizer

      and an Adaptive Algorithm for

      version 3.9'
    note: CMA equalizer replaced
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1144, 532.0]
    rotation: 0
    state: true
- name: qtgui_const_sink_x_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: 'False'
    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: 'received@0: 0,0,1,1'
    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: '2'
    xmin: '-2'
    ymax: '2'
    ymin: '-2'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [1096, 188.0]
    rotation: 0
    state: enabled
- name: qtgui_time_sink_x_0
  id: qtgui_time_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: 'False'
    axislabels: 'True'
    color1: blue
    color10: dark blue
    color2: red
    color3: green
    color4: black
    color5: cyan
    color6: magenta
    color7: yellow
    color8: dark red
    color9: dark green
    comment: ''
    ctrlpanel: 'False'
    entags: 'True'
    grid: 'False'
    gui_hint: 'received@1: 0,0,1,1'
    label1: Symbols
    label10: ''
    label2: ''
    label3: ''
    label4: ''
    label5: ''
    label6: ''
    label7: ''
    label8: ''
    label9: ''
    legend: 'True'
    marker1: '-1'
    marker10: '-1'
    marker2: '-1'
    marker3: '-1'
    marker4: '-1'
    marker5: '-1'
    marker6: '-1'
    marker7: '-1'
    marker8: '-1'
    marker9: '-1'
    name: ''
    nconnections: '1'
    size: '500'
    srate: samp_rate
    stemplot: 'False'
    style1: '1'
    style10: '1'
    style2: '1'
    style3: '1'
    style4: '1'
    style5: '1'
    style6: '1'
    style7: '1'
    style8: '1'
    style9: '1'
    tr_chan: '0'
    tr_delay: '0'
    tr_level: '0.0'
    tr_mode: qtgui.TRIG_MODE_FREE
    tr_slope: qtgui.TRIG_SLOPE_POS
    tr_tag: '""'
    type: float
    update_time: '0.10'
    width1: '1'
    width10: '1'
    width2: '1'
    width3: '1'
    width4: '1'
    width5: '1'
    width6: '1'
    width7: '1'
    width8: '1'
    width9: '1'
    ylabel: Amplitude
    ymax: '4'
    ymin: '-1'
    yunit: '""'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [808, 308.0]
    rotation: 0
    state: enabled
- name: qtgui_time_sink_x_0_0
  id: qtgui_time_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: 'False'
    axislabels: 'True'
    color1: blue
    color10: dark blue
    color2: red
    color3: green
    color4: black
    color5: cyan
    color6: magenta
    color7: yellow
    color8: dark red
    color9: dark green
    comment: ''
    ctrlpanel: 'False'
    entags: 'True'
    grid: 'False'
    gui_hint: 2,1,1,1
    label1: Rx Bits
    label10: ''
    label2: Tx Bits
    label3: ''
    label4: ''
    label5: ''
    label6: ''
    label7: ''
    label8: ''
    label9: ''
    legend: 'True'
    marker1: '-1'
    marker10: '-1'
    marker2: '-1'
    marker3: '-1'
    marker4: '-1'
    marker5: '-1'
    marker6: '-1'
    marker7: '-1'
    marker8: '-1'
    marker9: '-1'
    name: ''
    nconnections: '2'
    size: '128'
    srate: samp_rate
    stemplot: 'False'
    style1: '1'
    style10: '1'
    style2: '1'
    style3: '1'
    style4: '1'
    style5: '1'
    style6: '1'
    style7: '1'
    style8: '1'
    style9: '1'
    tr_chan: '0'
    tr_delay: '0'
    tr_level: '0.0'
    tr_mode: qtgui.TRIG_MODE_AUTO
    tr_slope: qtgui.TRIG_SLOPE_POS
    tr_tag: '""'
    type: float
    update_time: '0.10'
    width1: '1'
    width10: '1'
    width2: '1'
    width3: '1'
    width4: '1'
    width5: '1'
    width6: '1'
    width7: '1'
    width8: '1'
    width9: '1'
    ylabel: Amplitude
    ymax: '2'
    ymin: '-1'
    yunit: '""'
  states:
    bus_sink: false
    bus_source: false
    bus_structure: null
    coordinate: [808, 388.0]
    rotation: 0
    state: enabled
- name: received
  id: qtgui_tab_widget
  parameters:
    alias: ''
    comment: ''
    gui_hint: 2,0,1,1
    label0: Constellation
    label1: Symbols
    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: [424, 532.0]
    rotation: 0
    state: enabled

connections:
- [analog_random_source_x_0, '0', blocks_unpack_k_bits_bb_0_0, '0']
- [analog_random_source_x_0, '0', digital_constellation_modulator_0, '0']
- [blocks_char_to_float_0, '0', qtgui_time_sink_x_0, '0']
- [blocks_char_to_float_0_0, '0', qtgui_time_sink_x_0_0, '0']
- [blocks_char_to_float_0_0_0, '0', blocks_delay_0, '0']
- [blocks_delay_0, '0', qtgui_time_sink_x_0_0, '1']
- [blocks_throttle_0, '0', channels_channel_model_0, '0']
- [blocks_unpack_k_bits_bb_0, '0', blocks_char_to_float_0_0, '0']
- [blocks_unpack_k_bits_bb_0_0, '0', blocks_char_to_float_0_0_0, '0']
- [channels_channel_model_0, '0', digital_pfb_clock_sync_xxx_0, '0']
- [digital_constellation_decoder_cb_0, '0', blocks_char_to_float_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_costas_loop_cc_0, '0', qtgui_const_sink_x_0, '0']
- [digital_diff_decoder_bb_0, '0', digital_map_bb_0, '0']
- [digital_linear_equalizer_0, '0', digital_costas_loop_cc_0, '0']
- [digital_map_bb_0, '0', blocks_unpack_k_bits_bb_0, '0']
- [digital_pfb_clock_sync_xxx_0, '0', digital_linear_equalizer_0, '0']

metadata:
  file_format: 1