Registration method and device of user equipment (UE)
A technology for user equipment and registration messages, applied in security devices, electrical components, wireless communication, etc., can solve the problems of asynchronous security context, process failure, and the core network cannot know the process, so as to avoid registration failure and avoid information unequal effect
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[0109] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0110] refer to figure 1 , shows a flowchart of NG-RAN redirection in the existing registration process.
[0111] Such as figure 1 As shown, when an AMF receives a registration request, the AMF may need to reroute the registration request to another AMF. At this point, the initial AMF can start the redirection process by sending a rerouting NAS request (REROUTE NASREQUEST) message to the NG-RAN base station node. The NG-RAN base station node, if supported, reroutes the initial UE message to the AMF indicated by the AMF Set ID (Set ID) IE.
[0112] Wherein, the specific rerouting request message is described as follows:
[0113]
[0114] refer to figure 2 , which shows an existing redirection-based UE registration flow cha...
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