What is RRC message?

The RRC messages are encrypted and checked for integrity . The RRC ConnectionReconfiguration message is used by the eNB entity to command a modification of the RRC connection. This message may relate to the configuration of the measurements, control of the mobility and configuration of the DRB default bearer.

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What is RRC setup in 5G?

The Radio Resource Control (RRC) protocol is used in UMTS, LTE and 5G on the Air interface. It is a layer 3 (Network Layer) protocol used between UE and Base Station . This protocol is specified by 3GPP in TS 25.331 for UMTS, in TS 36.331 for LTE and in TS 38.331 for 5G New Radio.

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What is integrity protection in 5G?

In 5G, integrity protection of the user plane (UP) between the device and the gNB , was introduced as a new feature. Like the encryption feature, the support of the integrity protection feature is mandatory on both the devices and the gNB while the use is optional and under the control of the operator.

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What is 5G AKA authentication?

5G-AKA is one of the techniques available in 5G for mutual authentication between the subscriber and the network , in addition to key agreement for protection of NAS, RRC and User Plane traffic. 5G AKA is similar to EAP AKA, although enhancements have been made to improve roaming security.

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