Have you looked at the narrowband example scripts? The benchmark_[rx|tx].py scripts support packetized QPSK.
On Wed, Mar 4, 2015 at 11:54 AM, Richard Bell <[email protected]> wrote: > Hi all, > > As the subject states, how have you detected packets in your packet based > gnu radio SDR? > > The only example I have come across is Tom's OFDM packet detect in the > digital examples folder. There, he uses an OFDM specific block to generate > the trigger signal for the Header/Payload demux. > > > My use case is very basic. I have a QPSK radio that I am using to measure > the performance of different source codes. What I want to do is transmit a > file (USRP N210) from the Tx and on the Rx dump the received signal into a > file only after detection of the start of the file. I don't want a lot of > garabage data before the file actually starts. To stop the dump, I would be > happy detecting an end of file condition or using a smart preamble with the > file length specified. Doesn't matter to me. > > If you have any advice for my case, I would appreciate that. > > v/r, > Rich > > _______________________________________________ > Discuss-gnuradio mailing list > [email protected] > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > >
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