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Re: [Discuss-gnuradio] GNU Radio Conference 2011

From: Tuan (Johnny) Ta
Subject: Re: [Discuss-gnuradio] GNU Radio Conference 2011
Date: Tue, 30 Aug 2011 09:23:57 -0400


I thought the frequency offset should be taken care of by the receiver synchronization? The 802.11 NIC don't have external reference but they can still sync to the AP.

Thank you,

On Tue, Aug 30, 2011 at 9:04 AM, Scott Johnston <address@hidden> wrote:
If you are having frequency offset problems, you need to synchronize the USRPs with an external reference, i.e. a GPS receiver.


Tuan (Johnny) Ta wrote:

Thanks for the suggestion! I think it's a good idea. I remember having a lot of problems with the OFDM receiver. The frequency offset between the 2 oscillators screwed things up. Looking around, I don't think this issue has been resolved. Correct me if I'm wrong.

Thank you,

On Tue, Aug 30, 2011 at 3:25 AM, Martin Braun <address@hidden <mailto:address@hidden>> wrote:

   On Mon, Aug 29, 2011 at 11:19:39PM -0400, Tuan (Johnny) Ta wrote:

   Hi everyone,

   I actually think doing something *with* GNU Radio is the more
   interesting part, at least at the beginning. How about you start
   a receiver for your favourite comms standard?

   That way, you can start with a fairly simple environment, use a lot of
   code templates and concentrate on what you already know.

   Once you start doing that, you will inevitably end up with something
   that annoys you, something you feel is inefficient or whatever. Then
   you've got something to discuss about at the conference :)

   Karlsruhe Institute of Technology (KIT)
   Communications Engineering Lab (CEL)

   Dipl.-Ing. Martin Braun
   Research Associate

   Kaiserstraße 12
   Building 05.01
   76131 Karlsruhe

   Phone: +49 721 608-43790 <tel:%2B49%20721%20608-43790>
   Fax: +49 721 608-46071 <tel:%2B49%20721%20608-46071>
   www.cel.kit.edu <http://www.cel.kit.edu>

   KIT -- University of the State of Baden-Württemberg and
   National Laboratory of the Helmholtz Association

   Discuss-gnuradio mailing list
   address@hidden <mailto:address@hiddenorg>

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