Tom Rondeau-2 wrote > On Wed, Apr 16, 2014 at 2:06 PM, Azza < > azza.ben.mosbah@
> > wrote: > >> Tom Rondeau-2 wrote >> > On Wed, Apr 16, 2014 at 10:57 AM, Azza < >> >> > azza.ben.mosbah@ >> >> > > wrote: >> > >> >> Thank you. >> >> I have taken out the throttle block and add an AGC block at the >> receiver. >> >> To proceed with the synchronization, should I use a Constellation >> >> Receiver >> >> block or a Polyphase Clock Sync block ? >> >> >> >> Kind regards, >> >> Azza >> >> >> > >> > >> > You'll actually need both. AGC -> clock sync -> constellation receiver >> > (phase/freq recovery and decoding). >> > >> > Also, please reply in-line with the rest of the message. By cutting off >> > the >> > other part of our conversation makes it difficult for others to follow >> the >> > thread. >> > >> > Tom >> >> Thank you. >> I have added modifications to my flowgraph: >> <http://gnuradio.4.n7.nabble.com/file/n47630/gnu-ber-modified.png> >> But, I am still confused about minimum/maximum frequency deviation in the >> Constellation Receiver block. How should it be set? >> >> Regards, >> Azza >> > > Those are settings to keep the frequency sync from walking away, in > normalized frequency. +1 and -1 should work fine. > > Tom > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@ > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio Tom, I still found BER=0.5, however the error output of the Constellation Receiver block gives 0. Regards, Azza -- View this message in context: http://gnuradio.4.n7.nabble.com/Error-rate-block-with-USRP-tp47625p47634.html Sent from the GnuRadio mailing list archive at Nabble.com. _______________________________________________ Discuss-gnuradio mailing list [email protected] https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
