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:
Mar. 17, 2026
Filed:
Jun. 09, 2023
Huawei Technologies Co., Ltd., Shenzhen, CN;
HUAWEI TECHNOLOGIES CO., LTD., Shenzhen, CN;
Abstract
This disclosure provides an authentication method and a related apparatus. The method includes: A terminal device receives a first received encrypted reference signal corresponding to a first sent encrypted reference signal that is generated by an access network device using a pilot key and a first reference signal and transmitted through a channel; the terminal device performs channel estimation by using the first received encrypted reference signal and the first sent encrypted reference signal, to obtain downlink channel state information; and the terminal device sends first information to the access network device, where the first information includes the downlink channel state information, to effectively defend against man-in-the-middle attacks.