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Re: [Discuss-gnuradio] Demodulating short bursts of BPSK

From: Karl Koscher
Subject: Re: [Discuss-gnuradio] Demodulating short bursts of BPSK
Date: Thu, 2 Apr 2015 15:54:25 -0700

If the packets have a preamble, there's a block called correlate_and_sync which should do what you want, although it has some issues. See a thread I started a few days ago about that...

On Thu, Apr 2, 2015 at 3:36 PM, Mike Willis <address@hidden> wrote:
I have an application that needs to decode short bursts of DBPSK data
(which I am not generating myself). The problem I am having is that
the standard PSK Demod blocks don't lock up in time to correctly
decode the first few flags in the packetised data, which means I
generally lose the first packet. Is there a solution to this - e.g.
once the demodulator has locked up, go back some time (samples) and
start again knowing the locked parameters?


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