|Subject:||Re: [Discuss-gnuradio] Info regarding replacing USB with Infiniband Optical Fiber|
|Date:||Tue, 6 Mar 2007 11:36:45 -0800|
Martin Dvh wrote:
> Rohit Gupta wrote:
>>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.
> Read this document, it should explain it:
> (online available as
> Also read:
> 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.
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