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Re: [Discuss-gnuradio] tx and rx running simultanrously

From: Alexandru Csete
Subject: Re: [Discuss-gnuradio] tx and rx running simultanrously
Date: Tue, 21 Sep 2010 01:33:24 +0200

On Mon, Sep 20, 2010 at 10:13 PM, Yan Nie <address@hidden> wrote:
> Hi all,
> I'm trying to design a transceiver which is running LFTX/LFRX on one USRP1
> motherboardsimultaneously. Is that possible to enable the transmitter path
> and receiver path simultaneously? Since the usrp_sink and usrp_source block
> can only enable the transmitter path or receiver path, I couldn't find a way
> to enable tx and rx path simultaneously by loading the same .rbf FPGA
> configuration bitstream.

Hi Yan,

It is definitely possible.
I haven't tried this in python code but with gnuradio-companion I can
use both usrp source and sink in the same flowgraph using both side
A/A, B/B and A/B. You can look at the code generated by GRC to begin


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