Hi Rafik! So, what's wrong with the BER and the SNR estimate?
Best regards, Marcus On 07/03/2017 11:29 PM, Rafik ZITOUNI wrote: > Dear all, > > I translate the /gr-digital/examples/narrowband/digital_bert_tx.py and > the /gr-digital/examples/narrowband/digital_bert_rx.py python source > codes to GRC flow graphs. The objective is to get more graphical > possibilities with a GRC. My flow graph gives a fine result of BER > and SNR for DBPSK modulation. > The problem is with the rotating points of my constellation. I think > that the rotation of my view comes from a lack of frequency > synchronization, but why I obtained a correct BER and SNR? > > You find attached to this message a constellation view obtained by my > flow graph. > > Please could you explain me this result or give an advice to improve > the obtained result? > > Regards, > > > -- > **<http://www.ece.fr/>Rafik > > > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
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