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Re: [Discuss-gnuradio] OFDM TRANSFER and RECEIVE IN GRC

From: Martin Braun
Subject: Re: [Discuss-gnuradio] OFDM TRANSFER and RECEIVE IN GRC
Date: Tue, 05 Aug 2014 20:07:03 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0

On 08/04/2014 08:42 PM, chaitanya wrote:
> Hi everybody,
> I am using USRP N200 and the antenna is VERT2450.

Which d'board?

> Now the problem is that I could able to receive the file for only 2.45Ghz,
> 2.455Ghz ,2.46Ghz center frequencies of source and sink USRP's but I could
> not be able to receive for other frequencies say 2.456Ghz,2.457GHz etc (The
> center frequencies are changed in both sender and receiver files ,both USRP
> sink and source)

So, at 2.45 GHz it works reliably? And not at all for the rest? I'd
triple-check you really are setting the freq on both tx and rx (and not
just changing a variable that isn't propagated to the devices, for
example). There's no frequency-specific code in the OFDM stuff.

And of course make sure there's no interference on those other frequencies.


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