On Wed, Apr 16, 2014 at 2:06 PM, Azza <[email protected]> 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
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