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Re: [Discuss-gnuradio] GNU Radio conditional operation

From: Martin Braun
Subject: Re: [Discuss-gnuradio] GNU Radio conditional operation
Date: Wed, 27 Apr 2011 13:57:56 +0200
User-agent: Mutt/1.5.20 (2009-06-14)

On Wed, Apr 27, 2011 at 08:54:15PM +0900, Songsong Gee wrote:
> Hi,
> I'm wondering whether I can use GNU Radio with conditional operation
> For example,
> Listens signal, and if preamble received, skip preamble and continue listening
> if payload received, store it into file sink
> Like that.

Hi Songsong Gee,

when using gr_blocks, you can do all kinds of stuff like that. Remember
that you can output pretty much anything when receiving something. So
you could write a block that simply doesn't output anything as long as
no payload is being pushed into its input.

There are some examples for this. Check out


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

Dipl.-Ing. Martin Braun
Research Associate

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Fax: +49 721 608-46071

KIT -- University of the State of Baden-W├╝rttemberg and
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