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Re: [Discuss-gnuradio] bbn 802.11b code compatibility

From: Douglas Geiger
Subject: Re: [Discuss-gnuradio] bbn 802.11b code compatibility
Date: Mon, 24 Aug 2009 10:08:55 -0400

 Of the code found on CGRAN (https://www.cgran.org/), the code in
trunk does not support gnuradio v.3.2. There are two branches on there
that do work though: douggeiger and usrp2_version. The usrp2_version
branch has been getting more work recently. For documentation, I'd
start just by looking at the python code (examples/*.py). There are
some emails floating around if you search google - but the final word
is the code.
 To get you started, the general format of the receiver goes something like:
 USRP ---> Matched Filter ---> Bit Sync -----> Demodulate ------> Deframe
                 FIR (barker-11)      bbn.slicer     bbn.dpsk.demod

The transmit side has a similar structure - but it only work with the
USRP2 (if you want interoperability with other wifi devices that is) -
in which case you should be focusing on the usrp2_version branch.  My
branch probably does not transmit correctly.


On Mon, Aug 24, 2009 at 7:45 AM, maher manai<address@hidden> wrote:
> i want to ask if the bbn code is compatible with the 3.2.1 gnu radio version
> or i must install 3.1.3 version
> also i ask if there is any documentation about the bbn code or any any
> explanation about modules used like bbn slicer, bbn crc, bbn firdes
> barker...
> _______________________________________________
> Discuss-gnuradio mailing list
> address@hidden
> http://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Doug Geiger

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