Re: [Discuss-gnuradio] Full Duplex communication on E100, with separate antenna

[Nick Foster]

On Thu, 2011-08-04 at 13:22 -0700, Meyer S. Jacobs wrote:
> I've seen this issue on a few other posts, and it comes up a lot in
> searches, but I can't find a clear solution or answer.
> 
> I have two antennas for the E100 that both overlap the 915MHz range,
> and would like to send a constant 915MHz wave with one, while
> receiving a modulated 915MHz wave on the other (for communicating with
> the RFID-style FasTrak Transponders used on the West Coast, US).
> 
> I've tried this by using separate flow graphs and separate programs,
> but in all cases either TX or RX seems to take out a lock on the
> device, preventing the other from accessing it.
> 
> If there any way to achieve full-duplex communication on the E100,
> with or without two antennas?

Use a single flowgraph with both a source and a sink in it.

> 
> -Meyer S. Jacobs
> 
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