GNU Radio World

PSK Tx with Constellation

8PSK with added noise, adjustable via range widget

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Blocks used

BlockModuleUsed
AddGNU Radio1
GUI LayoutGNU Radio1
Noise SourceGNU Radio1
PSK ModGNU Radio1
QT GUI Constellation SinkGNU Radio1
QT GUI RangeGNU Radio1
Random SourceGNU Radio1
ThrottleGNU Radio1

Flowgraph source

digital/psk_constellation.grc
options:
    parameters:
        author: Marc
        comment: ''
        copyright: ''
        description: 8PSK with added noise, adjustable via range widget
        generate_options: qt_gui
        id: PSK_Tx_with_Constellation
        title: PSK Tx with Constellation
    states:
        coordinate: [10, 10]
        rotation: 0
        state: enabled
blocks:
-   name: noise
    id: variable_qtgui_range
    parameters:
        comment: ''
        label: ''
        min_len: '200'
        orient: QtCore.Qt.Horizontal
        rangeType: float
        start: '0'
        step: '0.01'
        stop: '1'
        value: '0.01'
        widget: counter_slider
    states:
        coordinate: [600, 10]
        rotation: 0
        state: enabled
-   name: mod7
    id: digital_psk_mod
    parameters:
        affinity: ''
        alias: ''
        comment: ''
        constellation_points: '8'
        differential: 'True'
        excess_bw: '0.35'
        maxoutbuf: '0'
        minoutbuf: '0'
        mod_code: '"gray"'
        samples_per_symbol: '2'
    states:
        coordinate: [290, 210]
        rotation: 0
        state: enabled
-   name: throttle4
    id: blocks_throttle2
    parameters:
        affinity: ''
        alias: ''
        comment: ''
        ignoretag: 'True'
        limit: auto
        maximum: '0.1'
        maxoutbuf: '0'
        minoutbuf: '0'
        samples_per_second: '32000'
        type: complex
        vlen: '1'
    states:
        coordinate: [860, 230]
        rotation: 0
        state: enabled
-   name: wasm_gui_layout_0
    id: wasm_gui_layout
    parameters:
        affinity: ''
        alias: ''
        columns: '12'
        comment: ''
        layout: '{}'
        row_height: '60'
    states:
        coordinate: [850, 10]
        rotation: 0
        state: enabled
-   name: x2
    id: analog_noise_source_x
    parameters:
        affinity: ''
        alias: ''
        amplitude: noise
        comment: ''
        maxoutbuf: '0'
        minoutbuf: '0'
        seed: '0'
        type: complex
    states:
        coordinate: [290, 370]
        rotation: 0
        state: enabled
-   name: x8
    id: analog_random_source_x
    parameters:
        affinity: ''
        alias: ''
        comment: ''
        max: '2'
        maxoutbuf: '0'
        min: '0'
        minoutbuf: '0'
        num_samps: '1000'
        repeat: 'True'
        type: byte
    states:
        coordinate: [10, 220]
        rotation: 0
        state: enabled
-   name: x9
    id: qtgui_const_sink_x
    parameters:
        affinity: ''
        alias: ''
        alpha1: '1'
        alpha10: '1'
        alpha2: '1'
        alpha3: '1'
        alpha4: '1'
        alpha5: '1'
        alpha6: '1'
        alpha7: '1'
        alpha8: '1'
        alpha9: '1'
        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: ''
        grid: 'False'
        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: Constellation
        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'
        tr_mode: qtgui.TRIG_MODE_FREE
        tr_slope: qtgui.TRIG_SLOPE_POS
        tr_tag: ''
        update_time: '0.1'
        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:
        coordinate: [1190, 230]
        rotation: 0
        state: enabled
-   name: xx3
    id: blocks_add_xx
    parameters:
        affinity: ''
        alias: ''
        comment: ''
        maxoutbuf: '0'
        minoutbuf: '0'
        num_inputs: '2'
        type: complex
        vlen: '1'
    states:
        coordinate: [620, 240]
        rotation: 0
        state: enabled
connections:
- [mod7, '0', xx3, '0']
- [throttle4, '0', x9, '0']
- [x2, '0', xx3, '1']
- [x8, '0', mod7, '0']
- [xx3, '0', throttle4, '0']
metadata:
    file_format: 1
    grc_version: 3.11.0.0