Month July 2021

5G-NR MIB

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…
Guide to reading 3GPP Specifications

Guide to reading 3GPP Specifications

Reading specs from 3GPP can be sometimes very difficult as there are so many specs and navigating through each of them can be a daunting task and there is no definitive and clear guide on how to use the specs…
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…
5G Icons on Phones

5G PS Icon Indicator on Mobile Phones

If you are working in Wireless communications for modem/device or RAN industry Have you ever wondered when the 5G ICON is displayed on the mobile? A UE will display 5G PS ICON when it is in the SA Coverage area…