Re: [Discuss-gnuradio] Info regarding replacing USB with Infiniband Optical Fiber

[Martin Dvh]

Martin Dvh wrote:
> Rohit Gupta wrote:
> 
>>Hi,
>>
>>We are working on using GNURadio for using it as RF node capable of
>>2*2/4*4 MIMO. All the RF nodes are connected to very big FPGA like the
>>one used in "Berkeley Emulation Engine (BEE)" using "Infiniband"
>>Optical Fiber. All the signal processing is implemented in "BEE"
>>hardware. We wanted to replace USB with Infiniband so that we can send
>>raw ADC/DAC samples to/from BEE processing engine. It would be very
>>helpful if some body could give us pointers on how to do this so that
>>we can reuse most of the design of GNUradio board.
>>
>>Also, I have come across some people using two GNURadio boards for 4*4
>>MIMO. Is there a document which describes how to synchronize the LOs
>>of two GNURadio boards for coherent MIMO processing and program two
>>GNURadio boards for 4*4 MIMO??
I just put the desciption of how to do MIMO (MultiUSRP) in the wiki.
see:
http://gnuradio.org/trac/wiki/MultiUsrp

or
http://gnuradio.org/trac/wiki/Mimo

Greetings,
Martin

> 
> Read this document, it should explain it:
> gnuradio-examples/python/multi_usrp/README
> 
> (online available as
> http://gnuradio.org/trac/browser/gnuradio/trunk/gnuradio-examples/python/multi_usrp/README
> )
> 
> Also read:
> http://gnuradio.org/trac/wiki/USRPClockingNotes
> 
> Make sure you understand the hardware requirements, have the right cables, 
> and set the usrp clock input and output accordingly.
> 
> I wrote the code to enable this and have experience in using it.
> I you have any questions or problems getting it to work feel free to ask.
> 
> Greetings,
> Martin
> 
> 
>>Thanks,
>>Rohit
>>
>>
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> 
> 
>