[USRP-users] tunnel.py doesn't receive packages when transmit and receive frequencies are different

Josh Blum josh at ettus.com
Fri Jun 29 19:40:02 EDT 2012



On 06/29/2012 03:32 PM, Li Sun wrote:
> Thanks a lot!
> 
> Another question is we have 3 usrp nodes, all of which are installed
> XCVR2450. We are using one usrp as relay node to do multihop communication.
> If the relay node's TX and RX are set different. Can it receive & transmit
> data at the same time? If not, do you have any other recommendation to do
> it?
> 

Sure thing. Here is the breakdown:

XCVR2450 is half duplex. You cannot receive usable samples while the
transmitter is active.

All other transceiver daughterboards have 2 RF frontends and can be used
full-duplex.

http://files.ettus.com/uhd_docs/manual/html/dboards.html

-josh




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