The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 09, 2023
Filed:
Feb. 19, 2021
Huawei Technologies Co., Ltd., Guangdong, CN;
Bo Zhang, Shenzhen, CN;
Chengdong He, Shenzhen, CN;
HUAWEI TECHNOLOGIES CO., LTD., Shenzhen, CN;
Abstract
Embodiments of this application provide a security protection method, a device, and a system, to improve data transmission security. The method includes: determining, by a terminal, a session management network element, or a mobility management network element, whether a security protection policy determined by an access network device is consistent with a user plane security policy delivered by the session management network element to the access network device; and if the security protection policy determined by the access network device is inconsistent with the user plane security policy delivered by the session management network element to the access network device, performing processing according to a preset policy.