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Re: [Discuss-gnuradio] About MIMO-cable

From: Josh Blum
Subject: Re: [Discuss-gnuradio] About MIMO-cable
Date: Thu, 18 Nov 2010 12:32:15 -0800
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv: Gecko/20101027 Thunderbird/3.1.6

The serdes cable does not currently work with UHD other than to share ref clocks. I am currently (as I type this email) working on the FPGA routing logic to use the mimo cable with UHD. Don't hold your breath, but I am attempting to get it working before the holiday next week.


On 11/18/2010 12:11 PM, Miok Wah wrote:

I am also interested in using the cable.  We bought 10+ USRP2 and several
MIMO cables, hoping to set up a MIMO network.  But I have not figured out
how to do that.

I read through Josh's UHD MIMO announcement:

But still not sure if UHD works with MIMO cable (I understand it works with
external ref, though ;).

Could any help us with this problem.

Thanks a lot!

Hongliang Zhang wrote:

Hello everyone,

I'm curious about synchronising 2 USRP2 boards using MIMO-cable. Is there
any firmware code, which supports transmitting and receiving signals from
two USRP2s connected by MIMO-cable? Which blocks do I need to use in
GNURadio companion for it?

By the way, compared to setting ref. and PPS clock, which is the best way
for setting up MIMO system?

Thanks in advance. :clap:

Best wishes,

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