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Patent Searching and Data


Title:
COMMUNICATION METHOD AND RELATED DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/000820
Kind Code:
A1
Abstract:
A communication method and a related device. The communication method comprises: when a user equipment (UE) reselects a first network from a second network, a first mobility management device performing an integrity check on a non-access stratum message from the user equipment by means of a first network security context or a second network security context, wherein the first mobility management device is a mobility management device for the first network; and when the integrity check on the non-access stratum message is passed, the first mobility management device sending a security mode command to the user equipment, wherein the security mode command is used for activating the first network security context of the user equipment. The embodiments of the present application help to implement the authentication of network reselection conveniently and effectively, help to reduce a network signaling load, and help to reduce implementation complexity and performance consumption since the execution of operations, such as parsing of a non-access stratum message, on a target side, of a UE by a source side can be prevented.

Inventors:
TAO ZHENYU (CN)
Application Number:
CN2020/098754
Publication Date:
January 07, 2021
Filing Date:
June 29, 2020
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Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H04W12/10
Attorney, Agent or Firm:
SCIHEAD IP LAW FIRM (CN)
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