Create new QPSK simulation

4 files changed, 0 insertions, 2553 deletions

diff --git a/simulation/QPSK/qpsk.grc b/simulation/QPSK/qpsk.grc
deleted file mode 100644
index 087f8e0..0000000
--- a/simulation/QPSK/qpsk.grc
+++ /dev/null
@@ -1,1189 +0,0 @@
-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: qpks
-    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: QPSK
-    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: [640, 252.0]
-    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: [1336, 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: [1336, 388.0]
-    rotation: 0
-    state: true
-- name: eq_ntaps
-  id: variable
-  parameters:
-    comment: ''
-    value: '15'
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [1416, 388.0]
-    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: [320, 268.0]
-    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: [640, 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: [1008, 476.0]
-    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: [504, 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: [1640, 428.0]
-    rotation: 0
-    state: true
-- name: qpsk_const
-  id: variable_constellation_rect
-  parameters:
-    comment: ''
-    const_points: '[0.707+1j, -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, 3, 2]'
-    w_imag_sect: '1'
-    w_real_sect: '1'
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [224, 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: [1080, 476.0]
-    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: [224, 268.0]
-    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: [504, 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: [1008, 548.0]
-    rotation: 0
-    state: true
-- name: analog_random_source_x_0
-  id: analog_random_source_x
-  parameters:
-    affinity: ''
-    alias: ''
-    comment: ''
-    max: '256'
-    maxoutbuf: '0'
-    min: '0'
-    minoutbuf: '0'
-    num_samps: '1000'
-    repeat: 'True'
-    type: byte
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [32, 332.0]
-    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: [2272, 276.0]
-    rotation: 0
-    state: true
-- 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: [408, 840.0]
-    rotation: 0
-    state: true
-- name: blocks_delay_0
-  id: blocks_delay
-  parameters:
-    affinity: ''
-    alias: ''
-    comment: ''
-    delay: '50'
-    maxoutbuf: '0'
-    minoutbuf: '0'
-    num_ports: '1'
-    type: float
-    vlen: '1'
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [2264, 844.0]
-    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: [464, 356.0]
-    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: [2192, 436.0]
-    rotation: 0
-    state: true
-- name: blocks_unpack_k_bits_bb_0_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: [232, 840.0]
-    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: [640, 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: '2'
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [1336, 284.0]
-    rotation: 0
-    state: true
-- name: digital_constellation_decoder_cb_0
-  id: digital_constellation_decoder_cb
-  parameters:
-    affinity: ''
-    alias: ''
-    comment: ''
-    constellation: qpsk_const
-    maxoutbuf: '0'
-    minoutbuf: '0'
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [1976, 276.0]
-    rotation: 0
-    state: true
-- name: digital_constellation_modulator_0
-  id: digital_constellation_modulator
-  parameters:
-    affinity: ''
-    alias: ''
-    comment: ''
-    constellation: qpsk_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: [224, 332.0]
-    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: [1640, 280.0]
-    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: [1976, 348.0]
-    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: [1984, 436.0]
-    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: '2'
-    sps: sps * 1.001
-    taps: rrc_taps
-    type: ccf
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [1000, 308.0]
-    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
-- 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: 'plots@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: '"Channel"'
-    nconnections: '1'
-    size: '2048'
-    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: [836.0, 128]
-    rotation: 90
-    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: '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: 'plots@0: 0,1,1,1'
-    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: '"Synchronized"'
-    nconnections: '1'
-    size: '2048'
-    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: [1228.0, 88]
-    rotation: 90
-    state: enabled
-- name: qtgui_const_sink_x_1
-  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: 'plots@0: 1,0,1,1'
-    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: '"Equalized"'
-    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: [1524.0, 88]
-    rotation: 90
-    state: true
-- name: qtgui_const_sink_x_2
-  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: 'plots@0: 1,1,1,1'
-    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: '"Locked"'
-    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: [1860.0, 64]
-    rotation: 90
-    state: true
-- name: qtgui_freq_sink_x_0
-  id: qtgui_freq_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'
-    average: '1.0'
-    axislabels: 'True'
-    bw: samp_rate
-    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'
-    fc: '0'
-    fftsize: '1024'
-    freqhalf: 'True'
-    grid: 'False'
-    gui_hint: 'plots@1: 0,0,1,1'
-    label: Relative Gain
-    label1: ''
-    label10: ''''''
-    label2: ''''''
-    label3: ''''''
-    label4: ''''''
-    label5: ''''''
-    label6: ''''''
-    label7: ''''''
-    label8: ''''''
-    label9: ''''''
-    legend: 'True'
-    maxoutbuf: '0'
-    minoutbuf: '0'
-    name: '"Channel"'
-    nconnections: '1'
-    showports: 'False'
-    tr_chan: '0'
-    tr_level: '0.0'
-    tr_mode: qtgui.TRIG_MODE_FREE
-    tr_tag: '""'
-    type: complex
-    units: dB
-    update_time: '0.10'
-    width1: '1'
-    width10: '1'
-    width2: '1'
-    width3: '1'
-    width4: '1'
-    width5: '1'
-    width6: '1'
-    width7: '1'
-    width8: '1'
-    width9: '1'
-    wintype: firdes.WIN_BLACKMAN_hARRIS
-    ymax: '10'
-    ymin: '-140'
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [856.0, 472]
-    rotation: 270
-    state: true
-- 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: 'plots@2: 0,0,1,1'
-    label1: Received
-    label10: Signal 10
-    label2: Sent
-    label3: Signal 3
-    label4: Signal 4
-    label5: Signal 5
-    label6: Signal 6
-    label7: Signal 7
-    label8: Signal 8
-    label9: Signal 9
-    legend: 'True'
-    marker1: '-1'
-    marker10: '-1'
-    marker2: '-1'
-    marker3: '-1'
-    marker4: '-1'
-    marker5: '-1'
-    marker6: '-1'
-    marker7: '-1'
-    marker8: '-1'
-    marker9: '-1'
-    name: '"Decoded"'
-    nconnections: '2'
-    size: '1024'
-    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: '1'
-    ymin: '-1'
-    yunit: '""'
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [2504, 268.0]
-    rotation: 0
-    state: true
-
-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', blocks_delay_0, '0']
-- [blocks_delay_0, '0', qtgui_time_sink_x_0, '1']
-- [blocks_throttle_0, '0', channels_channel_model_0, '0']
-- [blocks_unpack_k_bits_bb_0, '0', blocks_char_to_float_0, '0']
-- [blocks_unpack_k_bits_bb_0_0, '0', blocks_char_to_float_0_0, '0']
-- [channels_channel_model_0, '0', digital_pfb_clock_sync_xxx_0, '0']
-- [channels_channel_model_0, '0', qtgui_const_sink_x_0, '0']
-- [channels_channel_model_0, '0', qtgui_freq_sink_x_0, '0']
-- [digital_cma_equalizer_cc_0, '0', digital_costas_loop_cc_0, '0']
-- [digital_cma_equalizer_cc_0, '0', qtgui_const_sink_x_1, '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_2, '0']
-- [digital_diff_decoder_bb_0, '0', digital_map_bb_0, '0']
-- [digital_map_bb_0, '0', blocks_unpack_k_bits_bb_0, '0']
-- [digital_pfb_clock_sync_xxx_0, '0', digital_cma_equalizer_cc_0, '0']
-- [digital_pfb_clock_sync_xxx_0, '0', qtgui_const_sink_x_0_0, '0']
-
-metadata:
-  file_format: 1
diff --git a/simulation/QPSK/qpsk.py b/simulation/QPSK/qpsk.py
deleted file mode 100755
index 5649fb9..0000000
--- a/simulation/QPSK/qpsk.py
+++ /dev/null
@@ -1,655 +0,0 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
-#
-# SPDX-License-Identifier: GPL-3.0
-#
-# GNU Radio Python Flow Graph
-# Title: QPSK
-# Author: Pross Naoki, Halter Sara Cinzia
-# GNU Radio version: 3.9.2.0
-
-from distutils.version import StrictVersion
-
-if __name__ == '__main__':
-    import ctypes
-    import sys
-    if sys.platform.startswith('linux'):
-        try:
-            x11 = ctypes.cdll.LoadLibrary('libX11.so')
-            x11.XInitThreads()
-        except:
-            print("Warning: failed to XInitThreads()")
-
-from PyQt5 import Qt
-from gnuradio import qtgui
-from gnuradio.filter import firdes
-import sip
-from gnuradio import blocks
-import numpy
-from gnuradio import channels
-from gnuradio import digital
-from gnuradio import gr
-from gnuradio.fft import window
-import sys
-import signal
-from argparse import ArgumentParser
-from gnuradio.eng_arg import eng_float, intx
-from gnuradio import eng_notation
-from gnuradio.qtgui import Range, RangeWidget
-from PyQt5 import QtCore
-
-
-
-from gnuradio import qtgui
-
-class qpks(gr.top_block, Qt.QWidget):
-
-    def __init__(self):
-        gr.top_block.__init__(self, "QPSK", catch_exceptions=True)
-        Qt.QWidget.__init__(self)
-        self.setWindowTitle("QPSK")
-        qtgui.util.check_set_qss()
-        try:
-            self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
-        except:
-            pass
-        self.top_scroll_layout = Qt.QVBoxLayout()
-        self.setLayout(self.top_scroll_layout)
-        self.top_scroll = Qt.QScrollArea()
-        self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
-        self.top_scroll_layout.addWidget(self.top_scroll)
-        self.top_scroll.setWidgetResizable(True)
-        self.top_widget = Qt.QWidget()
-        self.top_scroll.setWidget(self.top_widget)
-        self.top_layout = Qt.QVBoxLayout(self.top_widget)
-        self.top_grid_layout = Qt.QGridLayout()
-        self.top_layout.addLayout(self.top_grid_layout)
-
-        self.settings = Qt.QSettings("GNU Radio", "qpks")
-
-        try:
-            if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
-                self.restoreGeometry(self.settings.value("geometry").toByteArray())
-            else:
-                self.restoreGeometry(self.settings.value("geometry"))
-        except:
-            pass
-
-        ##################################################
-        # Variables
-        ##################################################
-        self.sps = sps = 4
-        self.nfilts = nfilts = 32
-        self.timing_loop_bw = timing_loop_bw = 2 * 3.141592653589793 / 100
-        self.time_offset = time_offset = 1.0
-        self.samp_rate = samp_rate = 32000
-        self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), 0.35, 45*nfilts)
-        self.qpsk_const = qpsk_const = digital.constellation_rect([0.707+0.707j, -0.707+0.707j, -0.707-0.707j, 0.707-0.707j], [0, 1, 3, 2],
-        4, 2, 2, 1, 1).base()
-        self.phase_bw = phase_bw = 2 * 3.141592653589793 / 100
-        self.noise_volt = noise_volt = 0.0001
-        self.freq_offset = freq_offset = 0
-        self.excess_bw = excess_bw = 350e-3
-        self.eq_ntaps = eq_ntaps = 15
-        self.eq_mod = eq_mod = 1
-        self.eq_gain = eq_gain = .01
-        self.chn_taps = chn_taps = [1.0 + 0.0j, ]
-
-        ##################################################
-        # Blocks
-        ##################################################
-        self.params = Qt.QTabWidget()
-        self.params_widget_0 = Qt.QWidget()
-        self.params_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.params_widget_0)
-        self.params_grid_layout_0 = Qt.QGridLayout()
-        self.params_layout_0.addLayout(self.params_grid_layout_0)
-        self.params.addTab(self.params_widget_0, 'Channel')
-        self.params_widget_1 = Qt.QWidget()
-        self.params_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.params_widget_1)
-        self.params_grid_layout_1 = Qt.QGridLayout()
-        self.params_layout_1.addLayout(self.params_grid_layout_1)
-        self.params.addTab(self.params_widget_1, 'Receiver')
-        self.top_layout.addWidget(self.params)
-        self._timing_loop_bw_range = Range(0, 200e-3, 10e-3, 2 * 3.141592653589793 / 100, 200)
-        self._timing_loop_bw_win = RangeWidget(self._timing_loop_bw_range, self.set_timing_loop_bw, 'Time Bandwidth', "counter_slider", float, QtCore.Qt.Horizontal)
-        self.params_grid_layout_0.addWidget(self._timing_loop_bw_win, 1, 1, 1, 1)
-        for r in range(1, 2):
-            self.params_grid_layout_0.setRowStretch(r, 1)
-        for c in range(1, 2):
-            self.params_grid_layout_0.setColumnStretch(c, 1)
-        self._time_offset_range = Range(0.999, 1.001, 0.0001, 1.0, 200)
-        self._time_offset_win = RangeWidget(self._time_offset_range, self.set_time_offset, 'Timing Offset', "counter_slider", float, QtCore.Qt.Horizontal)
-        self.params_grid_layout_0.addWidget(self._time_offset_win, 0, 1, 1, 1)
-        for r in range(0, 1):
-            self.params_grid_layout_0.setRowStretch(r, 1)
-        for c in range(1, 2):
-            self.params_grid_layout_0.setColumnStretch(c, 1)
-        self.plots = Qt.QTabWidget()
-        self.plots_widget_0 = Qt.QWidget()
-        self.plots_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.plots_widget_0)
-        self.plots_grid_layout_0 = Qt.QGridLayout()
-        self.plots_layout_0.addLayout(self.plots_grid_layout_0)
-        self.plots.addTab(self.plots_widget_0, 'Constellations')
-        self.plots_widget_1 = Qt.QWidget()
-        self.plots_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.plots_widget_1)
-        self.plots_grid_layout_1 = Qt.QGridLayout()
-        self.plots_layout_1.addLayout(self.plots_grid_layout_1)
-        self.plots.addTab(self.plots_widget_1, 'Frequency')
-        self.plots_widget_2 = Qt.QWidget()
-        self.plots_layout_2 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.plots_widget_2)
-        self.plots_grid_layout_2 = Qt.QGridLayout()
-        self.plots_layout_2.addLayout(self.plots_grid_layout_2)
-        self.plots.addTab(self.plots_widget_2, 'Time')
-        self.top_layout.addWidget(self.plots)
-        self._phase_bw_range = Range(0, 1, .01, 2 * 3.141592653589793 / 100, 200)
-        self._phase_bw_win = RangeWidget(self._phase_bw_range, self.set_phase_bw, 'Phase Bandwidth', "counter_slider", float, QtCore.Qt.Horizontal)
-        self.params_grid_layout_1.addWidget(self._phase_bw_win, 1, 0, 1, 1)
-        for r in range(1, 2):
-            self.params_grid_layout_1.setRowStretch(r, 1)
-        for c in range(0, 1):
-            self.params_grid_layout_1.setColumnStretch(c, 1)
-        self._noise_volt_range = Range(0, 1, 0.01, 0.0001, 200)
-        self._noise_volt_win = RangeWidget(self._noise_volt_range, self.set_noise_volt, 'Noise Voltage', "counter_slider", float, QtCore.Qt.Horizontal)
-        self.params_grid_layout_0.addWidget(self._noise_volt_win, 0, 0, 1, 1)
-        for r in range(0, 1):
-            self.params_grid_layout_0.setRowStretch(r, 1)
-        for c in range(0, 1):
-            self.params_grid_layout_0.setColumnStretch(c, 1)
-        self._freq_offset_range = Range(-100e-3, 100e-3, 1e-3, 0, 200)
-        self._freq_offset_win = RangeWidget(self._freq_offset_range, self.set_freq_offset, 'Frequency Offset', "counter_slider", float, QtCore.Qt.Horizontal)
-        self.params_grid_layout_0.addWidget(self._freq_offset_win, 1, 0, 1, 1)
-        for r in range(1, 2):
-            self.params_grid_layout_0.setRowStretch(r, 1)
-        for c in range(0, 1):
-            self.params_grid_layout_0.setColumnStretch(c, 1)
-        self._eq_gain_range = Range(0, .1, .001, .01, 200)
-        self._eq_gain_win = RangeWidget(self._eq_gain_range, self.set_eq_gain, 'Equalizer Rate', "counter_slider", float, QtCore.Qt.Horizontal)
-        self.params_grid_layout_1.addWidget(self._eq_gain_win, 0, 0, 1, 1)
-        for r in range(0, 1):
-            self.params_grid_layout_1.setRowStretch(r, 1)
-        for c in range(0, 1):
-            self.params_grid_layout_1.setColumnStretch(c, 1)
-        self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
-            1024, #size
-            samp_rate, #samp_rate
-            "Decoded", #name
-            2, #number of inputs
-            None # parent
-        )
-        self.qtgui_time_sink_x_0.set_update_time(0.10)
-        self.qtgui_time_sink_x_0.set_y_axis(-1, 1)
-
-        self.qtgui_time_sink_x_0.set_y_label('Amplitude', "")
-
-        self.qtgui_time_sink_x_0.enable_tags(True)
-        self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
-        self.qtgui_time_sink_x_0.enable_autoscale(True)
-        self.qtgui_time_sink_x_0.enable_grid(False)
-        self.qtgui_time_sink_x_0.enable_axis_labels(True)
-        self.qtgui_time_sink_x_0.enable_control_panel(False)
-        self.qtgui_time_sink_x_0.enable_stem_plot(False)
-
-
-        labels = ['Signal 1', 'Signal 2', 'Signal 3', 'Signal 4', 'Signal 5',
-            'Signal 6', 'Signal 7', 'Signal 8', 'Signal 9', 'Signal 10']
-        widths = [1, 1, 1, 1, 1,
-            1, 1, 1, 1, 1]
-        colors = ['blue', 'red', 'green', 'black', 'cyan',
-            'magenta', 'yellow', 'dark red', 'dark green', 'dark blue']
-        alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
-            1.0, 1.0, 1.0, 1.0, 1.0]
-        styles = [1, 1, 1, 1, 1,
-            1, 1, 1, 1, 1]
-        markers = [-1, -1, -1, -1, -1,
-            -1, -1, -1, -1, -1]
-
-
-        for i in range(2):
-            if len(labels[i]) == 0:
-                self.qtgui_time_sink_x_0.set_line_label(i, "Data {0}".format(i))
-            else:
-                self.qtgui_time_sink_x_0.set_line_label(i, labels[i])
-            self.qtgui_time_sink_x_0.set_line_width(i, widths[i])
-            self.qtgui_time_sink_x_0.set_line_color(i, colors[i])
-            self.qtgui_time_sink_x_0.set_line_style(i, styles[i])
-            self.qtgui_time_sink_x_0.set_line_marker(i, markers[i])
-            self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i])
-
-        self._qtgui_time_sink_x_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
-        self.plots_grid_layout_2.addWidget(self._qtgui_time_sink_x_0_win, 0, 0, 1, 1)
-        for r in range(0, 1):
-            self.plots_grid_layout_2.setRowStretch(r, 1)
-        for c in range(0, 1):
-            self.plots_grid_layout_2.setColumnStretch(c, 1)
-        self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
-            1024, #size
-            window.WIN_BLACKMAN_hARRIS, #wintype
-            0, #fc
-            samp_rate, #bw
-            "Channel", #name
-            1,
-            None # parent
-        )
-        self.qtgui_freq_sink_x_0.set_update_time(0.10)
-        self.qtgui_freq_sink_x_0.set_y_axis(-140, 10)
-        self.qtgui_freq_sink_x_0.set_y_label('Relative Gain', 'dB')
-        self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "")
-        self.qtgui_freq_sink_x_0.enable_autoscale(False)
-        self.qtgui_freq_sink_x_0.enable_grid(False)
-        self.qtgui_freq_sink_x_0.set_fft_average(1.0)
-        self.qtgui_freq_sink_x_0.enable_axis_labels(True)
-        self.qtgui_freq_sink_x_0.enable_control_panel(False)
-        self.qtgui_freq_sink_x_0.set_fft_window_normalized(False)
-
-
-
-        labels = ['', '', '', '', '',
-            '', '', '', '', '']
-        widths = [1, 1, 1, 1, 1,
-            1, 1, 1, 1, 1]
-        colors = ["blue", "red", "green", "black", "cyan",
-            "magenta", "yellow", "dark red", "dark green", "dark blue"]
-        alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
-            1.0, 1.0, 1.0, 1.0, 1.0]
-
-        for i in range(1):
-            if len(labels[i]) == 0:
-                self.qtgui_freq_sink_x_0.set_line_label(i, "Data {0}".format(i))
-            else:
-                self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
-            self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
-            self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
-            self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])
-
-        self._qtgui_freq_sink_x_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
-        self.plots_grid_layout_1.addWidget(self._qtgui_freq_sink_x_0_win, 0, 0, 1, 1)
-        for r in range(0, 1):
-            self.plots_grid_layout_1.setRowStretch(r, 1)
-        for c in range(0, 1):
-            self.plots_grid_layout_1.setColumnStretch(c, 1)
-        self.qtgui_const_sink_x_2 = qtgui.const_sink_c(
-            1024, #size
-            "Locked", #name
-            1, #number of inputs
-            None # parent
-        )
-        self.qtgui_const_sink_x_2.set_update_time(0.10)
-        self.qtgui_const_sink_x_2.set_y_axis(-2, 2)
-        self.qtgui_const_sink_x_2.set_x_axis(-2, 2)
-        self.qtgui_const_sink_x_2.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "")
-        self.qtgui_const_sink_x_2.enable_autoscale(False)
-        self.qtgui_const_sink_x_2.enable_grid(False)
-        self.qtgui_const_sink_x_2.enable_axis_labels(True)
-
-
-        labels = ['', '', '', '', '',
-            '', '', '', '', '']
-        widths = [1, 1, 1, 1, 1,
-            1, 1, 1, 1, 1]
-        colors = ["blue", "red", "red", "red", "red",
-            "red", "red", "red", "red", "red"]
-        styles = [0, 0, 0, 0, 0,
-            0, 0, 0, 0, 0]
-        markers = [0, 0, 0, 0, 0,
-            0, 0, 0, 0, 0]
-        alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
-            1.0, 1.0, 1.0, 1.0, 1.0]
-
-        for i in range(1):
-            if len(labels[i]) == 0:
-                self.qtgui_const_sink_x_2.set_line_label(i, "Data {0}".format(i))
-            else:
-                self.qtgui_const_sink_x_2.set_line_label(i, labels[i])
-            self.qtgui_const_sink_x_2.set_line_width(i, widths[i])
-            self.qtgui_const_sink_x_2.set_line_color(i, colors[i])
-            self.qtgui_const_sink_x_2.set_line_style(i, styles[i])
-            self.qtgui_const_sink_x_2.set_line_marker(i, markers[i])
-            self.qtgui_const_sink_x_2.set_line_alpha(i, alphas[i])
-
-        self._qtgui_const_sink_x_2_win = sip.wrapinstance(self.qtgui_const_sink_x_2.pyqwidget(), Qt.QWidget)
-        self.plots_grid_layout_0.addWidget(self._qtgui_const_sink_x_2_win, 1, 1, 1, 1)
-        for r in range(1, 2):
-            self.plots_grid_layout_0.setRowStretch(r, 1)
-        for c in range(1, 2):
-            self.plots_grid_layout_0.setColumnStretch(c, 1)
-        self.qtgui_const_sink_x_1 = qtgui.const_sink_c(
-            1024, #size
-            "Equalized", #name
-            1, #number of inputs
-            None # parent
-        )
-        self.qtgui_const_sink_x_1.set_update_time(0.10)
-        self.qtgui_const_sink_x_1.set_y_axis(-2, 2)
-        self.qtgui_const_sink_x_1.set_x_axis(-2, 2)
-        self.qtgui_const_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "")
-        self.qtgui_const_sink_x_1.enable_autoscale(False)
-        self.qtgui_const_sink_x_1.enable_grid(False)
-        self.qtgui_const_sink_x_1.enable_axis_labels(True)
-
-
-        labels = ['', '', '', '', '',
-            '', '', '', '', '']
-        widths = [1, 1, 1, 1, 1,
-            1, 1, 1, 1, 1]
-        colors = ["blue", "red", "red", "red", "red",
-            "red", "red", "red", "red", "red"]
-        styles = [0, 0, 0, 0, 0,
-            0, 0, 0, 0, 0]
-        markers = [0, 0, 0, 0, 0,
-            0, 0, 0, 0, 0]
-        alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
-            1.0, 1.0, 1.0, 1.0, 1.0]
-
-        for i in range(1):
-            if len(labels[i]) == 0:
-                self.qtgui_const_sink_x_1.set_line_label(i, "Data {0}".format(i))
-            else:
-                self.qtgui_const_sink_x_1.set_line_label(i, labels[i])
-            self.qtgui_const_sink_x_1.set_line_width(i, widths[i])
-            self.qtgui_const_sink_x_1.set_line_color(i, colors[i])
-            self.qtgui_const_sink_x_1.set_line_style(i, styles[i])
-            self.qtgui_const_sink_x_1.set_line_marker(i, markers[i])
-            self.qtgui_const_sink_x_1.set_line_alpha(i, alphas[i])
-
-        self._qtgui_const_sink_x_1_win = sip.wrapinstance(self.qtgui_const_sink_x_1.pyqwidget(), Qt.QWidget)
-        self.plots_grid_layout_0.addWidget(self._qtgui_const_sink_x_1_win, 1, 0, 1, 1)
-        for r in range(1, 2):
-            self.plots_grid_layout_0.setRowStretch(r, 1)
-        for c in range(0, 1):
-            self.plots_grid_layout_0.setColumnStretch(c, 1)
-        self.qtgui_const_sink_x_0_0 = qtgui.const_sink_c(
-            2048, #size
-            "Synchronized", #name
-            1, #number of inputs
-            None # parent
-        )
-        self.qtgui_const_sink_x_0_0.set_update_time(0.10)
-        self.qtgui_const_sink_x_0_0.set_y_axis(-2, 2)
-        self.qtgui_const_sink_x_0_0.set_x_axis(-2, 2)
-        self.qtgui_const_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "")
-        self.qtgui_const_sink_x_0_0.enable_autoscale(False)
-        self.qtgui_const_sink_x_0_0.enable_grid(False)
-        self.qtgui_const_sink_x_0_0.enable_axis_labels(True)
-
-
-        labels = ['', '', '', '', '',
-            '', '', '', '', '']
-        widths = [1, 1, 1, 1, 1,
-            1, 1, 1, 1, 1]
-        colors = ["blue", "red", "red", "red", "red",
-            "red", "red", "red", "red", "red"]
-        styles = [0, 0, 0, 0, 0,
-            0, 0, 0, 0, 0]
-        markers = [0, 0, 0, 0, 0,
-            0, 0, 0, 0, 0]
-        alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
-            1.0, 1.0, 1.0, 1.0, 1.0]
-
-        for i in range(1):
-            if len(labels[i]) == 0:
-                self.qtgui_const_sink_x_0_0.set_line_label(i, "Data {0}".format(i))
-            else:
-                self.qtgui_const_sink_x_0_0.set_line_label(i, labels[i])
-            self.qtgui_const_sink_x_0_0.set_line_width(i, widths[i])
-            self.qtgui_const_sink_x_0_0.set_line_color(i, colors[i])
-            self.qtgui_const_sink_x_0_0.set_line_style(i, styles[i])
-            self.qtgui_const_sink_x_0_0.set_line_marker(i, markers[i])
-            self.qtgui_const_sink_x_0_0.set_line_alpha(i, alphas[i])
-
-        self._qtgui_const_sink_x_0_0_win = sip.wrapinstance(self.qtgui_const_sink_x_0_0.pyqwidget(), Qt.QWidget)
-        self.plots_grid_layout_0.addWidget(self._qtgui_const_sink_x_0_0_win, 0, 1, 1, 1)
-        for r in range(0, 1):
-            self.plots_grid_layout_0.setRowStretch(r, 1)
-        for c in range(1, 2):
-            self.plots_grid_layout_0.setColumnStretch(c, 1)
-        self.qtgui_const_sink_x_0 = qtgui.const_sink_c(
-            2048, #size
-            "Channel", #name
-            1, #number of inputs
-            None # parent
-        )
-        self.qtgui_const_sink_x_0.set_update_time(0.10)
-        self.qtgui_const_sink_x_0.set_y_axis(-2, 2)
-        self.qtgui_const_sink_x_0.set_x_axis(-2, 2)
-        self.qtgui_const_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "")
-        self.qtgui_const_sink_x_0.enable_autoscale(False)
-        self.qtgui_const_sink_x_0.enable_grid(False)
-        self.qtgui_const_sink_x_0.enable_axis_labels(True)
-
-
-        labels = ['', '', '', '', '',
-            '', '', '', '', '']
-        widths = [1, 1, 1, 1, 1,
-            1, 1, 1, 1, 1]
-        colors = ["blue", "red", "red", "red", "red",
-            "red", "red", "red", "red", "red"]
-        styles = [0, 0, 0, 0, 0,
-            0, 0, 0, 0, 0]
-        markers = [0, 0, 0, 0, 0,
-            0, 0, 0, 0, 0]
-        alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
-            1.0, 1.0, 1.0, 1.0, 1.0]
-
-        for i in range(1):
-            if len(labels[i]) == 0:
-                self.qtgui_const_sink_x_0.set_line_label(i, "Data {0}".format(i))
-            else:
-                self.qtgui_const_sink_x_0.set_line_label(i, labels[i])
-            self.qtgui_const_sink_x_0.set_line_width(i, widths[i])
-            self.qtgui_const_sink_x_0.set_line_color(i, colors[i])
-            self.qtgui_const_sink_x_0.set_line_style(i, styles[i])
-            self.qtgui_const_sink_x_0.set_line_marker(i, markers[i])
-            self.qtgui_const_sink_x_0.set_line_alpha(i, alphas[i])
-
-        self._qtgui_const_sink_x_0_win = sip.wrapinstance(self.qtgui_const_sink_x_0.pyqwidget(), Qt.QWidget)
-        self.plots_grid_layout_0.addWidget(self._qtgui_const_sink_x_0_win, 0, 0, 1, 1)
-        for r in range(0, 1):
-            self.plots_grid_layout_0.setRowStretch(r, 1)
-        for c in range(0, 1):
-            self.plots_grid_layout_0.setColumnStretch(c, 1)
-        self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps * 1.001, timing_loop_bw, rrc_taps, nfilts, nfilts/2, 1.5, 2)
-        self.digital_map_bb_0 = digital.map_bb([0, 1, 3, 2])
-        self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(4)
-        self.digital_costas_loop_cc_0 = digital.costas_loop_cc(phase_bw, 4, False)
-        self.digital_constellation_modulator_0 = digital.generic_mod(
-            constellation=qpsk_const,
-            differential=True,
-            samples_per_symbol=sps,
-            pre_diff_code=True,
-            excess_bw=excess_bw,
-            verbose=False,
-            log=False,
-            truncate=False)
-        self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(qpsk_const)
-        self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc(eq_ntaps, eq_mod, eq_gain, 2)
-        self.channels_channel_model_0 = channels.channel_model(
-            noise_voltage=noise_volt,
-            frequency_offset=freq_offset,
-            epsilon=time_offset,
-            taps=chn_taps,
-            noise_seed=0,
-            block_tags=False)
-        self.blocks_unpack_k_bits_bb_0_0 = blocks.unpack_k_bits_bb(2)
-        self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(2)
-        self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
-        self.blocks_delay_0 = blocks.delay(gr.sizeof_float*1, 50)
-        self.blocks_char_to_float_0_0 = blocks.char_to_float(1, 1)
-        self.blocks_char_to_float_0 = blocks.char_to_float(1, 1)
-        self.analog_random_source_x_0 = blocks.vector_source_b(list(map(int, numpy.random.randint(0, 256, 1000))), True)
-
-
-
-        ##################################################
-        # Connections
-        ##################################################
-        self.connect((self.analog_random_source_x_0, 0), (self.blocks_unpack_k_bits_bb_0_0, 0))
-        self.connect((self.analog_random_source_x_0, 0), (self.digital_constellation_modulator_0, 0))
-        self.connect((self.blocks_char_to_float_0, 0), (self.qtgui_time_sink_x_0, 0))
-        self.connect((self.blocks_char_to_float_0_0, 0), (self.blocks_delay_0, 0))
-        self.connect((self.blocks_delay_0, 0), (self.qtgui_time_sink_x_0, 1))
-        self.connect((self.blocks_throttle_0, 0), (self.channels_channel_model_0, 0))
-        self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_char_to_float_0, 0))
-        self.connect((self.blocks_unpack_k_bits_bb_0_0, 0), (self.blocks_char_to_float_0_0, 0))
-        self.connect((self.channels_channel_model_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0))
-        self.connect((self.channels_channel_model_0, 0), (self.qtgui_const_sink_x_0, 0))
-        self.connect((self.channels_channel_model_0, 0), (self.qtgui_freq_sink_x_0, 0))
-        self.connect((self.digital_cma_equalizer_cc_0, 0), (self.digital_costas_loop_cc_0, 0))
-        self.connect((self.digital_cma_equalizer_cc_0, 0), (self.qtgui_const_sink_x_1, 0))
-        self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_diff_decoder_bb_0, 0))
-        self.connect((self.digital_constellation_modulator_0, 0), (self.blocks_throttle_0, 0))
-        self.connect((self.digital_costas_loop_cc_0, 0), (self.digital_constellation_decoder_cb_0, 0))
-        self.connect((self.digital_costas_loop_cc_0, 0), (self.qtgui_const_sink_x_2, 0))
-        self.connect((self.digital_diff_decoder_bb_0, 0), (self.digital_map_bb_0, 0))
-        self.connect((self.digital_map_bb_0, 0), (self.blocks_unpack_k_bits_bb_0, 0))
-        self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_cma_equalizer_cc_0, 0))
-        self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.qtgui_const_sink_x_0_0, 0))
-
-
-    def closeEvent(self, event):
-        self.settings = Qt.QSettings("GNU Radio", "qpks")
-        self.settings.setValue("geometry", self.saveGeometry())
-        self.stop()
-        self.wait()
-
-        event.accept()
-
-    def get_sps(self):
-        return self.sps
-
-    def set_sps(self, sps):
-        self.sps = sps
-        self.set_rrc_taps(firdes.root_raised_cosine(self.nfilts, self.nfilts, 1.0/float(self.sps), 0.35, 45*self.nfilts))
-
-    def get_nfilts(self):
-        return self.nfilts
-
-    def set_nfilts(self, nfilts):
-        self.nfilts = nfilts
-        self.set_rrc_taps(firdes.root_raised_cosine(self.nfilts, self.nfilts, 1.0/float(self.sps), 0.35, 45*self.nfilts))
-
-    def get_timing_loop_bw(self):
-        return self.timing_loop_bw
-
-    def set_timing_loop_bw(self, timing_loop_bw):
-        self.timing_loop_bw = timing_loop_bw
-        self.digital_pfb_clock_sync_xxx_0.set_loop_bandwidth(self.timing_loop_bw)
-
-    def get_time_offset(self):
-        return self.time_offset
-
-    def set_time_offset(self, time_offset):
-        self.time_offset = time_offset
-        self.channels_channel_model_0.set_timing_offset(self.time_offset)
-
-    def get_samp_rate(self):
-        return self.samp_rate
-
-    def set_samp_rate(self, samp_rate):
-        self.samp_rate = samp_rate
-        self.blocks_throttle_0.set_sample_rate(self.samp_rate)
-        self.qtgui_freq_sink_x_0.set_frequency_range(0, self.samp_rate)
-        self.qtgui_time_sink_x_0.set_samp_rate(self.samp_rate)
-
-    def get_rrc_taps(self):
-        return self.rrc_taps
-
-    def set_rrc_taps(self, rrc_taps):
-        self.rrc_taps = rrc_taps
-        self.digital_pfb_clock_sync_xxx_0.update_taps(self.rrc_taps)
-
-    def get_qpsk_const(self):
-        return self.qpsk_const
-
-    def set_qpsk_const(self, qpsk_const):
-        self.qpsk_const = qpsk_const
-
-    def get_phase_bw(self):
-        return self.phase_bw
-
-    def set_phase_bw(self, phase_bw):
-        self.phase_bw = phase_bw
-        self.digital_costas_loop_cc_0.set_loop_bandwidth(self.phase_bw)
-
-    def get_noise_volt(self):
-        return self.noise_volt
-
-    def set_noise_volt(self, noise_volt):
-        self.noise_volt = noise_volt
-        self.channels_channel_model_0.set_noise_voltage(self.noise_volt)
-
-    def get_freq_offset(self):
-        return self.freq_offset
-
-    def set_freq_offset(self, freq_offset):
-        self.freq_offset = freq_offset
-        self.channels_channel_model_0.set_frequency_offset(self.freq_offset)
-
-    def get_excess_bw(self):
-        return self.excess_bw
-
-    def set_excess_bw(self, excess_bw):
-        self.excess_bw = excess_bw
-
-    def get_eq_ntaps(self):
-        return self.eq_ntaps
-
-    def set_eq_ntaps(self, eq_ntaps):
-        self.eq_ntaps = eq_ntaps
-
-    def get_eq_mod(self):
-        return self.eq_mod
-
-    def set_eq_mod(self, eq_mod):
-        self.eq_mod = eq_mod
-        self.digital_cma_equalizer_cc_0.set_modulus(self.eq_mod)
-
-    def get_eq_gain(self):
-        return self.eq_gain
-
-    def set_eq_gain(self, eq_gain):
-        self.eq_gain = eq_gain
-        self.digital_cma_equalizer_cc_0.set_gain(self.eq_gain)
-
-    def get_chn_taps(self):
-        return self.chn_taps
-
-    def set_chn_taps(self, chn_taps):
-        self.chn_taps = chn_taps
-        self.channels_channel_model_0.set_taps(self.chn_taps)
-
-
-
-
-def main(top_block_cls=qpks, options=None):
-    if gr.enable_realtime_scheduling() != gr.RT_OK:
-        print("Error: failed to enable real-time scheduling.")
-
-    if StrictVersion("4.5.0") <= StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
-        style = gr.prefs().get_string('qtgui', 'style', 'raster')
-        Qt.QApplication.setGraphicsSystem(style)
-    qapp = Qt.QApplication(sys.argv)
-
-    tb = top_block_cls()
-
-    tb.start()
-
-    tb.show()
-
-    def sig_handler(sig=None, frame=None):
-        tb.stop()
-        tb.wait()
-
-        Qt.QApplication.quit()
-
-    signal.signal(signal.SIGINT, sig_handler)
-    signal.signal(signal.SIGTERM, sig_handler)
-
-    timer = Qt.QTimer()
-    timer.start(500)
-    timer.timeout.connect(lambda: None)
-
-    qapp.exec_()
-
-if __name__ == '__main__':
-    main()
diff --git a/simulation/QPSK/qpsk_nogui.grc b/simulation/QPSK/qpsk_nogui.grc
deleted file mode 100644
index e27ecc7..0000000
--- a/simulation/QPSK/qpsk_nogui.grc
+++ /dev/null
@@ -1,479 +0,0 @@
-options:
-  parameters:
-    author: Naoki Pross
-    catch_exceptions: 'True'
-    category: '[GRC Hier Blocks]'
-    cmake_opt: ''
-    comment: ''
-    copyright: ''
-    description: ''
-    gen_cmake: 'On'
-    gen_linking: dynamic
-    generate_options: no_gui
-    hier_block_src_path: '.:'
-    id: qpsk_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: QPSK with IMGUI
-  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: [672, 204.0]
-    rotation: 0
-    state: true
-- name: eq_gain
-  id: variable
-  parameters:
-    comment: ''
-    value: '.01'
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [1376, 420.0]
-    rotation: 0
-    state: true
-- name: eq_mod
-  id: variable
-  parameters:
-    comment: ''
-    value: '1'
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [1376, 352.0]
-    rotation: 0
-    state: true
-- name: eq_ntaps
-  id: variable
-  parameters:
-    comment: ''
-    value: '15'
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [1456, 352.0]
-    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: [352, 224.0]
-    rotation: 0
-    state: true
-- name: freq_offset
-  id: variable
-  parameters:
-    comment: ''
-    value: '0'
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [768, 204.0]
-    rotation: 0
-    state: true
-- name: nfilts
-  id: variable
-  parameters:
-    comment: ''
-    value: '32'
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [1040, 432.0]
-    rotation: 0
-    state: true
-- name: noise_volt
-  id: variable
-  parameters:
-    comment: ''
-    value: 100e-6
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [672, 132.0]
-    rotation: 0
-    state: true
-- name: phase_bw
-  id: variable
-  parameters:
-    comment: ''
-    value: 2 * 3.141592653589793 / 100
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [1680, 380.0]
-    rotation: 0
-    state: true
-- name: qpsk_const
-  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, 3, 2]'
-    w_imag_sect: '1'
-    w_real_sect: '1'
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [256, 396.0]
-    rotation: 0
-    state: true
-- name: rrc_taps
-  id: variable
-  parameters:
-    comment: ''
-    value: firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), 0.35, 45*nfilts)
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [1120, 432.0]
-    rotation: 0
-    state: true
-- name: samp_rate
-  id: variable
-  parameters:
-    comment: ''
-    value: '32000'
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [184, 12]
-    rotation: 0
-    state: enabled
-- name: sps
-  id: variable
-  parameters:
-    comment: ''
-    value: '4'
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [256, 224.0]
-    rotation: 0
-    state: true
-- name: time_offset
-  id: variable
-  parameters:
-    comment: ''
-    value: '1'
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [768, 132.0]
-    rotation: 0
-    state: true
-- name: timing_loop_bw
-  id: variable
-  parameters:
-    comment: ''
-    value: 2 * 3.141592653589793 / 100
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [1040, 508.0]
-    rotation: 0
-    state: true
-- name: analog_random_source_x_0
-  id: analog_random_source_x
-  parameters:
-    affinity: ''
-    alias: ''
-    comment: ''
-    max: '256'
-    maxoutbuf: '0'
-    min: '0'
-    minoutbuf: '0'
-    num_samps: '1000'
-    repeat: 'True'
-    type: byte
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [64, 288.0]
-    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: [2304, 232.0]
-    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: float
-    vlen: '1'
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [2504, 240.0]
-    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: [496, 312.0]
-    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: [2224, 392.0]
-    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: [672, 272.0]
-    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: '2'
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [1376, 240.0]
-    rotation: 0
-    state: true
-- name: digital_constellation_decoder_cb_0
-  id: digital_constellation_decoder_cb
-  parameters:
-    affinity: ''
-    alias: ''
-    comment: ''
-    constellation: qpsk_const
-    maxoutbuf: '0'
-    minoutbuf: '0'
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [2016, 232.0]
-    rotation: 0
-    state: true
-- name: digital_constellation_modulator_0
-  id: digital_constellation_modulator
-  parameters:
-    affinity: ''
-    alias: ''
-    comment: ''
-    constellation: qpsk_const
-    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: [256, 288.0]
-    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: [1680, 240.0]
-    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: [2016, 312.0]
-    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: [2016, 392.0]
-    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: '2'
-    sps: sps * 1.001
-    taps: rrc_taps
-    type: ccf
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [1040, 264.0]
-    rotation: 0
-    state: true
-
-connections:
-- [analog_random_source_x_0, '0', digital_constellation_modulator_0, '0']
-- [blocks_char_to_float_0, '0', blocks_null_sink_0, '0']
-- [blocks_throttle_0, '0', channels_channel_model_0, '0']
-- [blocks_unpack_k_bits_bb_0, '0', blocks_char_to_float_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_unpack_k_bits_bb_0, '0']
-- [digital_pfb_clock_sync_xxx_0, '0', digital_cma_equalizer_cc_0, '0']
-
-metadata:
-  file_format: 1
diff --git a/simulation/QPSK/qpsk_nogui.py b/simulation/QPSK/qpsk_nogui.py
deleted file mode 100755
index 2b32473..0000000
--- a/simulation/QPSK/qpsk_nogui.py
+++ /dev/null
@@ -1,230 +0,0 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
-#
-# SPDX-License-Identifier: GPL-3.0
-#
-# GNU Radio Python Flow Graph
-# Title: QPSK with IMGUI
-# Author: Naoki Pross
-# GNU Radio version: 3.8.2.0
-
-from gnuradio import blocks
-import numpy
-from gnuradio import channels
-from gnuradio.filter import firdes
-from gnuradio import digital
-from gnuradio import gr
-import sys
-import signal
-from argparse import ArgumentParser
-from gnuradio.eng_arg import eng_float, intx
-from gnuradio import eng_notation
-
-
-class qpsk_nogui(gr.top_block):
-
-    def __init__(self):
-        gr.top_block.__init__(self, "QPSK with IMGUI")
-
-        ##################################################
-        # Variables
-        ##################################################
-        self.sps = sps = 4
-        self.nfilts = nfilts = 32
-        self.timing_loop_bw = timing_loop_bw = 2 * 3.141592653589793 / 100
-        self.time_offset = time_offset = 1
-        self.samp_rate = samp_rate = 32000
-        self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), 0.35, 45*nfilts)
-        self.qpsk_const = qpsk_const = digital.constellation_rect([0.707+0.707j, -0.707+0.707j, -0.707-0.707j, 0.707-0.707j], [0, 1, 3, 2],
-        4, 2, 2, 1, 1).base()
-        self.phase_bw = phase_bw = 2 * 3.141592653589793 / 100
-        self.noise_volt = noise_volt = 100e-6
-        self.freq_offset = freq_offset = 0
-        self.excess_bw = excess_bw = 350e-3
-        self.eq_ntaps = eq_ntaps = 15
-        self.eq_mod = eq_mod = 1
-        self.eq_gain = eq_gain = .01
-        self.chn_taps = chn_taps = [1.0 + 0.0j, ]
-
-        ##################################################
-        # Blocks
-        ##################################################
-        self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps * 1.001, timing_loop_bw, rrc_taps, nfilts, nfilts/2, 1.5, 2)
-        self.digital_map_bb_0 = digital.map_bb([0, 1, 3, 2])
-        self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(4)
-        self.digital_costas_loop_cc_0 = digital.costas_loop_cc(phase_bw, 4, False)
-        self.digital_constellation_modulator_0 = digital.generic_mod(
-            constellation=qpsk_const,
-            differential=True,
-            samples_per_symbol=sps,
-            pre_diff_code=True,
-            excess_bw=excess_bw,
-            verbose=False,
-            log=False)
-        self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(qpsk_const)
-        self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc(eq_ntaps, eq_mod, eq_gain, 2)
-        self.channels_channel_model_0 = channels.channel_model(
-            noise_voltage=noise_volt,
-            frequency_offset=freq_offset,
-            epsilon=time_offset,
-            taps=chn_taps,
-            noise_seed=0,
-            block_tags=False)
-        self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(2)
-        self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
-        self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_float*1)
-        self.blocks_char_to_float_0 = blocks.char_to_float(1, 1)
-        self.analog_random_source_x_0 = blocks.vector_source_b(list(map(int, numpy.random.randint(0, 256, 1000))), True)
-
-
-
-        ##################################################
-        # Connections
-        ##################################################
-        self.connect((self.analog_random_source_x_0, 0), (self.digital_constellation_modulator_0, 0))
-        self.connect((self.blocks_char_to_float_0, 0), (self.blocks_null_sink_0, 0))
-        self.connect((self.blocks_throttle_0, 0), (self.channels_channel_model_0, 0))
-        self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_char_to_float_0, 0))
-        self.connect((self.channels_channel_model_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0))
-        self.connect((self.digital_cma_equalizer_cc_0, 0), (self.digital_costas_loop_cc_0, 0))
-        self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_diff_decoder_bb_0, 0))
-        self.connect((self.digital_constellation_modulator_0, 0), (self.blocks_throttle_0, 0))
-        self.connect((self.digital_costas_loop_cc_0, 0), (self.digital_constellation_decoder_cb_0, 0))
-        self.connect((self.digital_diff_decoder_bb_0, 0), (self.digital_map_bb_0, 0))
-        self.connect((self.digital_map_bb_0, 0), (self.blocks_unpack_k_bits_bb_0, 0))
-        self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_cma_equalizer_cc_0, 0))
-
-
-    def get_sps(self):
-        return self.sps
-
-    def set_sps(self, sps):
-        self.sps = sps
-        self.set_rrc_taps(firdes.root_raised_cosine(self.nfilts, self.nfilts, 1.0/float(self.sps), 0.35, 45*self.nfilts))
-
-    def get_nfilts(self):
-        return self.nfilts
-
-    def set_nfilts(self, nfilts):
-        self.nfilts = nfilts
-        self.set_rrc_taps(firdes.root_raised_cosine(self.nfilts, self.nfilts, 1.0/float(self.sps), 0.35, 45*self.nfilts))
-
-    def get_timing_loop_bw(self):
-        return self.timing_loop_bw
-
-    def set_timing_loop_bw(self, timing_loop_bw):
-        self.timing_loop_bw = timing_loop_bw
-        self.digital_pfb_clock_sync_xxx_0.set_loop_bandwidth(self.timing_loop_bw)
-
-    def get_time_offset(self):
-        return self.time_offset
-
-    def set_time_offset(self, time_offset):
-        self.time_offset = time_offset
-        self.channels_channel_model_0.set_timing_offset(self.time_offset)
-
-    def get_samp_rate(self):
-        return self.samp_rate
-
-    def set_samp_rate(self, samp_rate):
-        self.samp_rate = samp_rate
-        self.blocks_throttle_0.set_sample_rate(self.samp_rate)
-
-    def get_rrc_taps(self):
-        return self.rrc_taps
-
-    def set_rrc_taps(self, rrc_taps):
-        self.rrc_taps = rrc_taps
-        self.digital_pfb_clock_sync_xxx_0.update_taps(self.rrc_taps)
-
-    def get_qpsk_const(self):
-        return self.qpsk_const
-
-    def set_qpsk_const(self, qpsk_const):
-        self.qpsk_const = qpsk_const
-
-    def get_phase_bw(self):
-        return self.phase_bw
-
-    def set_phase_bw(self, phase_bw):
-        self.phase_bw = phase_bw
-        self.digital_costas_loop_cc_0.set_loop_bandwidth(self.phase_bw)
-
-    def get_noise_volt(self):
-        return self.noise_volt
-
-    def set_noise_volt(self, noise_volt):
-        self.noise_volt = noise_volt
-        self.channels_channel_model_0.set_noise_voltage(self.noise_volt)
-
-    def get_freq_offset(self):
-        return self.freq_offset
-
-    def set_freq_offset(self, freq_offset):
-        self.freq_offset = freq_offset
-        self.channels_channel_model_0.set_frequency_offset(self.freq_offset)
-
-    def get_excess_bw(self):
-        return self.excess_bw
-
-    def set_excess_bw(self, excess_bw):
-        self.excess_bw = excess_bw
-
-    def get_eq_ntaps(self):
-        return self.eq_ntaps
-
-    def set_eq_ntaps(self, eq_ntaps):
-        self.eq_ntaps = eq_ntaps
-
-    def get_eq_mod(self):
-        return self.eq_mod
-
-    def set_eq_mod(self, eq_mod):
-        self.eq_mod = eq_mod
-        self.digital_cma_equalizer_cc_0.set_modulus(self.eq_mod)
-
-    def get_eq_gain(self):
-        return self.eq_gain
-
-    def set_eq_gain(self, eq_gain):
-        self.eq_gain = eq_gain
-        self.digital_cma_equalizer_cc_0.set_gain(self.eq_gain)
-
-    def get_chn_taps(self):
-        return self.chn_taps
-
-    def set_chn_taps(self, chn_taps):
-        self.chn_taps = chn_taps
-        self.channels_channel_model_0.set_taps(self.chn_taps)
-
-
-
-
-
-def main(top_block_cls=qpsk_nogui, options=None):
-    if gr.enable_realtime_scheduling() != gr.RT_OK:
-        print("Error: failed to enable real-time scheduling.")
-    tb = top_block_cls()
-
-    def sig_handler(sig=None, frame=None):
-        tb.stop()
-        tb.wait()
-
-        sys.exit(0)
-
-    signal.signal(signal.SIGINT, sig_handler)
-    signal.signal(signal.SIGTERM, sig_handler)
-
-    tb.start()
-
-    try:
-        input('Press Enter to quit: ')
-    except EOFError:
-        pass
-    tb.stop()
-    tb.wait()
-
-
-if __name__ == '__main__':
-    main()