Patent ID: 11956715
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 2:
3. The method according to claim 1, further comprising:
receiving, by the apparatus, a third RAND from the mobility management network element, wherein the third RAND is used to update the first RAND or the second RAND; and
performing the following:
when the third RAND is used to update the first RAND, generating, by the apparatus, third slice selection assistance information based on the second slice selection assistance information, the first function, and the third RAND; or
when the third RAND is used to update the second RAND, generating, by the apparatus, fourth slice selection assistance information based on the second slice selection assistance information, the first function, the first key, and the third RAND, and updating, by the apparatus, the first slice selection assistance information using the fourth slice selection assistance information.