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Re: [Discuss-gnuradio] Question on the psk code

From: Eric Blossom
Subject: Re: [Discuss-gnuradio] Question on the psk code
Date: Sun, 5 Mar 2006 12:24:33 -0800
User-agent: Mutt/1.5.9i

On Wed, Mar 01, 2006 at 04:41:09PM -0500, Dawei Shen wrote:
> Dear gang
> I found the PSK test code in the GMSK2 example directory. Could anyone of
> you provide more details about the implementation? Especially I am
> interested in what's going on in gr_dd_mpsk_sync_cc.cc(h).
> Just some high level introduction would be helpful for me to understand the
> code.
> Thank you
> Dawei

Hi Dawei,

Some part of the mpsk receive code is not completely sorted out.  It
works for about 500k samples (or was it symbols?) and then loses lock,
then recovers, repeat, etc.

It's supposed to be a decision directed synchronous nPSK demodulator.


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