Changes between Version 13 and Version 14 of Tutorials/Wireless/GNURadioOFDM


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Timestamp:
Oct 4, 2023, 5:40:49 PM (14 months ago)
Author:
prasanthi
Comment:

—

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  • Tutorials/Wireless/GNURadioOFDM

    v13 v14  
    108108
    109109==== Run the GRC application ====
    110 1.Open OFDM receiver on node1-2. With X11 forwarding enabled, GRC should show up as below.
     1101. Open OFDM receiver on node1-2. With X11 forwarding enabled, GRC should show up as below.
    111111{{{#!td
    112112   {{{#!shell
    … …  
    126126}}}
    127127
    128 * Open OFDM transmitter on node1-1
    129 {{{#!shell
    130 root@node1-1:~# cd GNURadioOFDMExample/
    131 root@node1-1:~/GNURadioOFDMExample# gnuradio-companion TX_OFDM.grc
    132 <<< Welcome to GNU Radio Companion 3.9.8.0 >>>
     1281. Open OFDM transmitter on node1-1
     129{{{#!td
     130   {{{#!shell
     131      root@node1-1:~# cd GNURadioOFDMExample/
     132      root@node1-1:~/GNURadioOFDMExample# gnuradio-companion TX_OFDM.grc
     133      <<< Welcome to GNU Radio Companion 3.9.8.0 >>>
    133134
    134 Block paths:
    135         /usr/local/share/gnuradio/grc/blocks
     135      Block paths:
     136              /usr/local/share/gnuradio/grc/blocks
    136137
    137 Loading: "/root/GNURadioOFDMExample/TX_OFDM.grc"
    138 >>> Done
    139 
     138      Loading: "/root/GNURadioOFDMExample/TX_OFDM.grc"
     139      >>> Done
     140   }}}
    140141}}}
     142{{{#!td
    141143[[Image(TX_OFDM_grc.PNG, width=800px)]]
    142 
     144}}}
    143145* Make sure the device arguments on both nodes are correctly set as shown below. Check the center frequencies and sample rates, and make sure they match. TX_OFDM.grc has a "File Source" block which reads the text file to be transmitted. RX_OFDM.grc stores the received data in a local file that is specified in the "File Sink" block. 
    144146|| [[Image(OFDM_SB2_args.PNG, width=400px)]] || [[Image(FileSource.PNG, width=400px)]] ||