Re: [Discuss-gnuradio] MIMO Blocks in GRC

[Josh Blum]

On 07/13/2011 08:44 AM, Wes Rumble wrote:
> Hello!
> I'm preparing to start some work on MIMO with my USRP N210's and I'm having
> a little trouble. When I run the GRC my only two options under the UHD
> heading are "UHD:USRP Source" and UHD:USRP Sink".  My problem is, I've seen
> on many forum posts where people say they are using the UHD MIMO USRP source
> blocks.  I also see the files corresponding to that on the GNURadio
> repository but I can't seem to get my GRC to update so that they show up in
> the GRC.  I apologize if this is a very simple task, but I've tried adding
> the repo as a source in Ubuntu and tried downloading the files manually and
> nothing works.  Any help is greatly appreciated, thanks in advance!
> 

Install the latest gnuradio from the master branch. When configuring the
UHD source or sink block, set the reference source to MIMO Cable for one
of the motherboards. From the block's perspective the MIMO cable isnt
special, its just another source of time and clock reference.

-josh