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Re: [Discuss-gnuradio] MIMO with USRP2

From: Josh Blum
Subject: Re: [Discuss-gnuradio] MIMO with USRP2
Date: Wed, 28 Nov 2012 18:12:04 -0800
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:16.0) Gecko/20121028 Thunderbird/16.0.2

On 11/28/2012 06:09 PM, Alex Dusowitz wrote:
> Hi,
> Has anyone had any problem with setting up MIMO with USRP2? I am trying to
> replicate an N210 MIMO setup that I had a while ago and just replaced N210
> with 2 USRP2s. They are connected with a MIMO cable while one of them is
> connected with an ethernet cable to the host. Both devices are set with 2
> different IP addresses and I can ping both of them in the MIMO setup. But
> when I feed both USRP2s with a sine wave (coming from one source), my scope
> sink only shows the signal from one USRP2 (the slave one) and the other
> channel shows just noise. Is there any limitation for USRP2s in MIMO
> configuration?

It should work identically. Can you confirm that the devices work as
expected when used only in the *single* device case?


> Thanks,
> Alex
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