I've just completed a DVB-S2 transmitter for GnuRadio.
https://github.com/drmpeg/gr-dvbs2
This is a port of G4GUO's DVB-S2 transmitter for the
DATV-Express Digital Amateur Television project.
https://github.com/G4GUO/datvexpress_gui/tree/master/DVB-S2
The code includes an implementation of LDPC and BCH codes
(although DVB-S2 specific) and contains a gnuradio-companion
flowgraph for the bladeRF transmit capable SDR (easily changed
to UHD).
The implementation has been tested with a Novra S300V
DVB-S2 receiver with QPSK, 8PSK, 16APSK and 32APSK
constellations.
Ron
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