Continuous Phase Modulation gr_cpmmod_bc from gnuradio import gr gr.cpmmod_bc($type, $mod_index, $samples_per_symbol, $L, $beta) CPM Type type enum Modulation Index mod_index 0.5 real Samples/Symbol samples_per_symbol 4 int Pulse Duration (Symbols) L 4 int Phase Response Parameter (BT or Beta) beta 0.3 real in byte out complex