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:
Jan. 21, 2025
Filed:
Jan. 31, 2022
Huawei Technologies Co., Ltd., Guangdong, CN;
Li Chen, Shanghai, CN;
HUAWEI TECHNOLOGIES CO., LTD., Shenzhen, CN;
Abstract
Embodiments of this application disclose a method for authenticating an access network device. The method includes a terminal device sends an authentication request to the access network device. The terminal device receives, in a first transmission time unit, a first authentication request response in response to the authentication request. The terminal device obtains first time window information in the first authentication request response. The first time window information indicates a time range in which the terminal device receives the first authentication request response and a first time window indicated by the first time window information comprises at least one transmission time unit. The terminal device determines that the access network device is a legal access network device when the terminal device determines that the first transmission time unit falls within the first time window.