Re: [Discuss-gnuradio] USRP1 Simultaneous Receive and Transmit

[Josh Blum]

See how the dual usrp wrapper in grc does it: 
grc/grc_gnuradio/usrp/dual_usrp.py

-Josh

On 05/26/2010 12:25 PM, Chao Dong wrote:
> Hi Matt,
> Is there any example in current Gnuradio release that implementing full deplex 
> with one USRP motherboard and two daughterboards?
> As i understand, i must call source_c twice to use the two daughterboards, but 
> this seems impossible. Then how can i use the two daughterboards in one 
> flowgraph?
> Thanks very much!
> ----- Original Message -----
> From: "Matt Ettus"<address@hidden>
> To: "Jim V"<address@hidden>
> Cc:<address@hidden>
> Sent: Wednesday, May 26, 2010 11:29 PM
> Subject: Re: [Discuss-gnuradio] USRP1 Simultaneous Receive and Transmit
>
>
> > On 05/26/2010 03:23 AM, Jim V wrote:
> > > Hi everyone,
> > >
> > > is it feasible to transmit and receive simultaneously having one USRP1 with
> > > 2 daughtercards (2 RFX) (for example in Side A receiving and in Side B
> > > transmitting)? Is there any example in GnuRadio?
> > >
> > > Thank you in advance
> >
> >
> > Yes, this is known as full duplex.  You can even do it with a single RFX
> > card both transmitting and receiving, but it will have somewhat higher
> > crosstalk than with 2 daughterboards.
> >
> > Matt
> >
> >
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