the gr-dvbt has a QPSK, QAM-16
and QAM-64 implementation of constellation for both Tx/Rx. The standard
it implements is ETSI 300 744 which is OFDM based in which each
subcarier is modulated using the modulations above.
Regards, Bogdan
On Tuesday, February 25, 2014 8:12 PM, "SOUTHCOTT, MARK A CIV USAF AFMC AFRL/RITC" <address@hidden> 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?