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:
Aug. 25, 2026
Filed:
Apr. 19, 2021
Beijing Xiaomi Mobile Software Co., Ltd., Beijing, CN;
Lei Yu, Beijing, CN;
Xiaolong Li, Beijing, CN;
BEIJING XIAOMI MOBILE SOFTWARE CO., LTD., Beijing, CN;
Abstract
Embodiments of the present disclosure provide a ranging method. The method includes: broadcasting a first message, the first message being used to indicate a first public key of the first terminal; receiving a second message sent from a second terminal, the second message being used to indicate a second public key of the second terminal encrypted by the first public key; and sending a third message encrypted by the second public key to the second terminal, the third message being used to indicate a first time difference between a sending time of the first message and a receiving time of the second message.