Hi Mark, The problem is that GNU Radio does not have equalizers that can perform sufficiently well for constellations such as 64-QAM. As far as I know, the only one present is a simple decision feedback equalizer.
I'm working on implementing a few equalizers: a) 2D Triangulation, and b) Whittaker-Shannon Sinc interpolator, and c) one of my own. These aren't yet ready to share, but once they are, I will send out an email to the list. Best, Aditya On Tue, Feb 25, 2014 at 1:11 PM, SOUTHCOTT, MARK A CIV USAF AFMC AFRL/RITC < mark.southcot...@us.af.mil> wrote: > I'm looking for an example of a higher-order modulation implemented > successfully in GNU Radio with an SDR frontend. I've seen bpsk, GMSK, etc. > implemented over a wireless channel, but I've only seen simulations of > higher-order modulations. Could someone point me towards one or confirm > that there's no examples? > > > > Mark > > > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > >
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