5G-NR Master Information Block (MIB)

MIB is mandatory system information that is broadcasted by the gNB at a set periodicity. During the initial cell selection procedure, UE assumes that the SSB is broadcasted every 20ms by the gNB. UE gets MIB by decoding the PBCH…

Protection of 5G RRC Messages

Protection of 5G RRC messages

There are certain messages that 3GPP has defined that can be sent prior to Access stratum security activation and some messages which should not be sent without integrity protection or unciphered after AS security activation Below are the list of…