From 7381a5dcf266c532a490192ed229ac002d35f8b1 Mon Sep 17 00:00:00 2001
From: Nao Pross <np@0hm.ch>
Date: Sat, 11 Dec 2021 16:05:41 +0100
Subject: Create new QPSK simulation

---
 flowgraphs/qpsk_sim.grc | 913 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 913 insertions(+)
 create mode 100644 flowgraphs/qpsk_sim.grc

(limited to 'flowgraphs/qpsk_sim.grc')

diff --git a/flowgraphs/qpsk_sim.grc b/flowgraphs/qpsk_sim.grc
new file mode 100644
index 0000000..a6afefa
--- /dev/null
+++ b/flowgraphs/qpsk_sim.grc
@@ -0,0 +1,913 @@
+options:
+  parameters:
+    author: Naoki Sean Pross, Sara Cinzia Halter
+    category: '[GRC Hier Blocks]'
+    cmake_opt: ''
+    comment: ''
+    copyright: ''
+    description: ''
+    gen_cmake: 'On'
+    gen_linking: dynamic
+    generate_options: qt_gui
+    hier_block_src_path: '.:'
+    id: qpsk_sim
+    max_nouts: '0'
+    output_language: python
+    placement: (0,0)
+    qt_qss_theme: ''
+    realtime_scheduling: '1'
+    run: 'True'
+    run_command: '{python} -u {filename}'
+    run_options: run
+    sizing_mode: fixed
+    thread_safe_setters: ''
+    title: QPSK Sim
+    window_size: ''
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [24, 12.0]
+    rotation: 0
+    state: enabled
+
+blocks:
+- name: access_code_symbols
+  id: variable
+  parameters:
+    comment: ''
+    value: '[(-0.7071067811865475-0.7071067811865475j), (0.7071067811865475-0.7071067811865475j),
+      (0.7071067811865475+0.7071067811865475j), (0.7071067811865475+0.7071067811865475j),
+      (-0.7071067811865475-0.7071067811865475j), (0.7071067811865475+0.7071067811865475j),
+      (0.7071067811865475-0.7071067811865475j), (0.7071067811865475-0.7071067811865475j)]'
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [768, 1092.0]
+    rotation: 0
+    state: true
+- name: carrier_freq
+  id: variable
+  parameters:
+    comment: ''
+    value: 2.4e9
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [472, 572.0]
+    rotation: 0
+    state: true
+- name: excess_bw
+  id: variable
+  parameters:
+    comment: ''
+    value: '0.35'
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [336, 1156.0]
+    rotation: 0
+    state: true
+- name: frame
+  id: fadingui_frame_obj
+  parameters:
+    alias: ''
+    comment: ''
+    payload_len: '4096'
+    preamble: '[0xbe, 0xef]'
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [48, 532.0]
+    rotation: 0
+    state: disabled
+- name: frame_len
+  id: variable
+  parameters:
+    comment: ''
+    value: len(testvec) +4
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [184, 252.0]
+    rotation: 0
+    state: true
+- name: nfilts
+  id: variable
+  parameters:
+    comment: ''
+    value: '32'
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [256, 1156.0]
+    rotation: 0
+    state: true
+- name: qpsk_const
+  id: variable_constellation
+  parameters:
+    comment: ''
+    const_points: '[-1-1j, -1+1j, 1+1j, 1-1j]'
+    dims: '1'
+    precision: '8'
+    rot_sym: '4'
+    soft_dec_lut: None
+    sym_map: '[0, 1, 3, 2]'
+    type: qpsk
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [448, 340.0]
+    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: [432, 1156.0]
+    rotation: 0
+    state: true
+- name: samp_rate
+  id: variable
+  parameters:
+    comment: ''
+    value: 1e6
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [24, 148.0]
+    rotation: 0
+    state: enabled
+- name: sps
+  id: variable
+  parameters:
+    comment: ''
+    value: '4'
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [144, 148.0]
+    rotation: 0
+    state: true
+- name: testvec
+  id: variable
+  parameters:
+    comment: ''
+    value: '[0x1f, 0x35] + [0x12, 0x48] '
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [48, 252.0]
+    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: '400'
+    repeat: 'True'
+    type: byte
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [48, 420.0]
+    rotation: 0
+    state: true
+- name: blocks_complex_to_mag_0
+  id: blocks_complex_to_mag
+  parameters:
+    affinity: ''
+    alias: ''
+    comment: ''
+    maxoutbuf: '0'
+    minoutbuf: '0'
+    vlen: '1'
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [1064, 1080.0]
+    rotation: 0
+    state: true
+- name: blocks_repack_bits_bb_0
+  id: blocks_repack_bits_bb
+  parameters:
+    affinity: ''
+    alias: ''
+    align_output: 'False'
+    comment: ''
+    endianness: gr.GR_LSB_FIRST
+    k: '2'
+    l: '8'
+    len_tag_key: '""'
+    maxoutbuf: '0'
+    minoutbuf: '0'
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [768, 1300.0]
+    rotation: 0
+    state: true
+- name: blocks_stream_mux_0
+  id: blocks_stream_mux
+  parameters:
+    affinity: ''
+    alias: ''
+    comment: ''
+    lengths: '[len(testvec), 4]'
+    maxoutbuf: '0'
+    minoutbuf: '0'
+    num_inputs: '2'
+    type: byte
+    vlen: '1'
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [272, 416.0]
+    rotation: 0
+    state: true
+- name: blocks_stream_to_vector_0
+  id: blocks_stream_to_vector
+  parameters:
+    affinity: ''
+    alias: ''
+    comment: ''
+    maxoutbuf: '0'
+    minoutbuf: '0'
+    num_items: frame_len
+    type: byte
+    vlen: '1'
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [992, 1312.0]
+    rotation: 0
+    state: true
+- name: blocks_tagged_stream_align_0
+  id: blocks_tagged_stream_align
+  parameters:
+    affinity: ''
+    alias: ''
+    comment: ''
+    lengthtagname: frame_start
+    maxoutbuf: '0'
+    minoutbuf: '0'
+    type: byte
+    vlen: '1'
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [496, 1308.0]
+    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: [720, 428.0]
+    rotation: 0
+    state: true
+- name: blocks_vector_source_x_0
+  id: blocks_vector_source_x
+  parameters:
+    affinity: ''
+    alias: ''
+    comment: ''
+    maxoutbuf: '0'
+    minoutbuf: '0'
+    repeat: 'True'
+    tags: '[]'
+    type: byte
+    vector: testvec
+    vlen: '1'
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [48, 324.0]
+    rotation: 0
+    state: true
+- name: channels_channel_model_0
+  id: channels_channel_model
+  parameters:
+    affinity: ''
+    alias: ''
+    block_tags: 'False'
+    comment: ''
+    epsilon: '1.0'
+    freq_offset: 2e-3
+    maxoutbuf: '0'
+    minoutbuf: '0'
+    noise_voltage: 100e-3
+    seed: '243'
+    taps: np.exp(1j * 30 / 180 * np.pi)
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [312, 716.0]
+    rotation: 0
+    state: enabled
+- name: channels_selective_fading_model_0
+  id: channels_selective_fading_model
+  parameters:
+    K: '4.0'
+    LOS: 'False'
+    N: '8'
+    affinity: ''
+    alias: ''
+    comment: ''
+    delays: (0,1.8)
+    fDTs: ((4*carrier_freq)/(3*10e8))/samp_rate
+    mags: (1,0.12)
+    maxoutbuf: '0'
+    minoutbuf: '0'
+    ntaps: '8'
+    seed: '21'
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [600, 572.0]
+    rotation: 0
+    state: disabled
+- name: digital_cma_equalizer_cc_0
+  id: digital_cma_equalizer_cc
+  parameters:
+    affinity: ''
+    alias: ''
+    comment: ''
+    maxoutbuf: '0'
+    minoutbuf: '0'
+    modulus: '1'
+    mu: 2e-3
+    num_taps: '15'
+    sps: '1'
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [528, 980.0]
+    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: [256, 1308.0]
+    rotation: 0
+    state: true
+- name: digital_constellation_modulator_0
+  id: digital_constellation_modulator
+  parameters:
+    affinity: ''
+    alias: ''
+    comment: ''
+    constellation: qpsk_const
+    differential: 'False'
+    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: [448, 404.0]
+    rotation: 0
+    state: true
+- name: digital_corr_est_cc_0
+  id: digital_corr_est_cc
+  parameters:
+    affinity: ''
+    alias: ''
+    comment: ''
+    mark_delay: len(access_code_symbols) // 2
+    maxoutbuf: '0'
+    minoutbuf: '0'
+    sps: '1'
+    symbols: access_code_symbols
+    threshold: '0.9'
+    threshold_method: digital.THRESHOLD_ABSOLUTE
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [768, 972.0]
+    rotation: 0
+    state: true
+- name: digital_pfb_clock_sync_xxx_0
+  id: digital_pfb_clock_sync_xxx
+  parameters:
+    affinity: ''
+    alias: ''
+    comment: ''
+    filter_size: '32'
+    init_phase: '16'
+    loop_bw: 2 * np.pi / 100
+    max_dev: '1.5'
+    maxoutbuf: '0'
+    minoutbuf: '0'
+    osps: '1'
+    sps: sps
+    taps: rrc_taps
+    type: ccf
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [256, 1004.0]
+    rotation: 0
+    state: true
+- name: fadingui_ber_0
+  id: fadingui_ber
+  parameters:
+    affinity: ''
+    alias: ''
+    comment: ''
+    vgl: testvec + list(np.zeros(4))
+    vlen: frame_len
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [1184, 1300.0]
+    rotation: 0
+    state: true
+- name: fadingui_datasource_0
+  id: fadingui_datasource
+  parameters:
+    affinity: ''
+    alias: ''
+    comment: ''
+    fname: ''
+    frame_obj: ''
+    maxoutbuf: '0'
+    minoutbuf: '0'
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [208, 532.0]
+    rotation: 0
+    state: disabled
+- name: fadingui_multipath_fading_0
+  id: fadingui_multipath_fading
+  parameters:
+    affinity: ''
+    alias: ''
+    amplitudes: '[0.12]'
+    comment: ''
+    delays: '[1.8]'
+    los: 'True'
+    maxoutbuf: '0'
+    minoutbuf: '0'
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [648, 740.0]
+    rotation: 0
+    state: enabled
+- name: fadingui_netsink_0
+  id: fadingui_netsink
+  parameters:
+    address: udp://localhost:31415
+    affinity: ''
+    alias: ''
+    comment: ''
+    type: complex
+    veclen: '1'
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [704, 316.0]
+    rotation: 0
+    state: disabled
+- name: fadingui_netsink_1
+  id: fadingui_netsink
+  parameters:
+    address: udp://localhost:31415
+    affinity: ''
+    alias: ''
+    comment: ''
+    type: complex
+    veclen: '1'
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [768, 916.0]
+    rotation: 0
+    state: disabled
+- name: fadingui_netsink_3
+  id: fadingui_netsink
+  parameters:
+    address: udp://localhost:31415
+    affinity: ''
+    alias: ''
+    comment: ''
+    type: complex
+    veclen: '1'
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [1280, 916.0]
+    rotation: 0
+    state: disabled
+- name: fadingui_netsink_4
+  id: fadingui_netsink
+  parameters:
+    address: udp://localhost:31415
+    affinity: ''
+    alias: ''
+    comment: ''
+    type: complex
+    veclen: '1'
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [528, 916.0]
+    rotation: 0
+    state: disabled
+- name: fadingui_phasecorrection_0
+  id: fadingui_phasecorrection
+  parameters:
+    affinity: ''
+    alias: ''
+    comment: ''
+    frame_len: frame_len
+    maxoutbuf: '0'
+    minoutbuf: '0'
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [1008, 988.0]
+    rotation: 0
+    state: true
+- name: import_0
+  id: import
+  parameters:
+    alias: ''
+    comment: ''
+    imports: import numpy as np
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [224, 12.0]
+    rotation: 0
+    state: enabled
+- 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: ''
+    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: [1240, 828.0]
+    rotation: 0
+    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: ''
+    label1: Signal 1
+    label10: Signal 10
+    label2: Signal 2
+    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: '""'
+    nconnections: '1'
+    size: '1024'
+    srate: samp_rate / sps
+    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: '10'
+    ymin: '0'
+    yunit: '""'
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [1248, 1060.0]
+    rotation: 0
+    state: true
+- name: virtual_sink_0
+  id: virtual_sink
+  parameters:
+    alias: ''
+    comment: ''
+    stream_id: modulated
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [928, 428.0]
+    rotation: 0
+    state: true
+- name: virtual_sink_1
+  id: virtual_sink
+  parameters:
+    alias: ''
+    comment: ''
+    stream_id: envelope
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [1000, 756.0]
+    rotation: 0
+    state: true
+- name: virtual_sink_2
+  id: virtual_sink
+  parameters:
+    alias: ''
+    comment: ''
+    stream_id: symbols
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [1312, 988.0]
+    rotation: 0
+    state: true
+- name: virtual_source_0
+  id: virtual_source
+  parameters:
+    alias: ''
+    comment: ''
+    stream_id: symbols
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [48, 1308.0]
+    rotation: 0
+    state: true
+- name: virtual_source_1
+  id: virtual_source
+  parameters:
+    alias: ''
+    comment: ''
+    stream_id: envelope
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [48, 1052.0]
+    rotation: 0
+    state: true
+- name: virtual_source_2
+  id: virtual_source
+  parameters:
+    alias: ''
+    comment: ''
+    stream_id: modulated
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [56, 756.0]
+    rotation: 0
+    state: true
+
+connections:
+- [analog_random_source_x_0, '0', blocks_stream_mux_0, '1']
+- [blocks_complex_to_mag_0, '0', qtgui_time_sink_x_0, '0']
+- [blocks_repack_bits_bb_0, '0', blocks_stream_to_vector_0, '0']
+- [blocks_stream_mux_0, '0', digital_constellation_modulator_0, '0']
+- [blocks_stream_to_vector_0, '0', fadingui_ber_0, '0']
+- [blocks_tagged_stream_align_0, '0', blocks_repack_bits_bb_0, '0']
+- [blocks_throttle_0, '0', virtual_sink_0, '0']
+- [blocks_vector_source_x_0, '0', blocks_stream_mux_0, '0']
+- [channels_channel_model_0, '0', channels_selective_fading_model_0, '0']
+- [channels_channel_model_0, '0', fadingui_multipath_fading_0, '0']
+- [channels_selective_fading_model_0, '0', virtual_sink_1, '0']
+- [digital_cma_equalizer_cc_0, '0', digital_corr_est_cc_0, '0']
+- [digital_cma_equalizer_cc_0, '0', fadingui_netsink_1, '0']
+- [digital_constellation_decoder_cb_0, '0', blocks_tagged_stream_align_0, '0']
+- [digital_constellation_modulator_0, '0', blocks_throttle_0, '0']
+- [digital_constellation_modulator_0, '0', fadingui_netsink_0, '0']
+- [digital_corr_est_cc_0, '0', fadingui_phasecorrection_0, '0']
+- [digital_corr_est_cc_0, '1', blocks_complex_to_mag_0, '0']
+- [digital_pfb_clock_sync_xxx_0, '0', digital_cma_equalizer_cc_0, '0']
+- [digital_pfb_clock_sync_xxx_0, '0', fadingui_netsink_4, '0']
+- [fadingui_datasource_0, '0', digital_constellation_modulator_0, '0']
+- [fadingui_multipath_fading_0, '0', virtual_sink_1, '0']
+- [fadingui_phasecorrection_0, '0', fadingui_netsink_3, '0']
+- [fadingui_phasecorrection_0, '0', qtgui_const_sink_x_0, '0']
+- [fadingui_phasecorrection_0, '0', virtual_sink_2, '0']
+- [virtual_source_0, '0', digital_constellation_decoder_cb_0, '0']
+- [virtual_source_1, '0', digital_pfb_clock_sync_xxx_0, '0']
+- [virtual_source_2, '0', channels_channel_model_0, '0']
+
+metadata:
+  file_format: 1
-- 
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