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Re: [Discuss-gnuradio] GNU Radio Conference 2011


From: Scott Johnston
Subject: Re: [Discuss-gnuradio] GNU Radio Conference 2011
Date: Tue, 30 Aug 2011 09:04:21 -0400
User-agent: Thunderbird 2.0.0.24 (X11/20100721)

If you are having frequency offset problems, you need to synchronize the USRPs with an external reference, i.e. a GPS receiver.

Scott

Tuan (Johnny) Ta wrote:
Martin,

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,
Johnny

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
    writing
    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 :)

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

    Dipl.-Ing. Martin Braun
    Research Associate

    Kaiserstra├če 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-W├╝rttemberg and
    National Laboratory of the Helmholtz Association


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