BCCH + CCCH + SDCCH/4 demapper gsm_bcch_ccch_sdcch4_demapper import grgsm grgsm.universal_ctrl_chans_demapper($timeslot_nr, $downlink_starts_fn_mod51, $downlink_channel_types, $uplink_starts_fn_mod51, $uplink_channel_types) Timeslot timeslot_nr 0 int none downlink_starts_fn_mod51 downlink_starts_fn_mod51 [2,6,12,16,22,26,32,36,42,46] int_vector all downlink_channel_types downlink_channel_types [1,2,2,2,7,7,7,7,135,135] int_vector all uplink_starts_fn_mod51 uplink_starts_fn_mod51 [0,6,10,37,41,47] int_vector all uplink_channel_types uplink_channel_types [7,135,135,7,7,7] int_vector all bursts message bursts message Demapper for BCCH + CCCH + SDCCH/4 + SACCH/C4 control channels. This corresponds to channel combination v specified in GSM 05.02, section 6.4