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Question: From the perspective of UE why 5G is more secure than 2G/3G/4G?
Answer: The 2G GSM systems were the first digital systems that performed the authentication of subscriber. The mobile was assigned a temporary identifier after the authentication so that it does not has to send the mobile subscriber’s permanent identity ‘IMSI’ on the air interface. And the voice was encrypted. However, 2G systems suffered from two…
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Voice and Video services over IMS in 5G
5G voice/video service will still be provided based on IMS (5G as one of the access modes for IMS voice/video), and the introduction of 5G voice/video will not change the IMS network architecture. Support of IMS based services is based on GSMA NG.114 “IMS Profile for Voice, Video & Messaging over 5GS”. In the early…