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:
Oct. 25, 2022
Filed:
Jun. 07, 2018
Huawei Technologies Co., Ltd., Shenzhen, CN;
Weiqing Fang, Beijing, CN;
Hsienyang Lu, Shenzhen, CN;
Donghao Zhang, Xi'an, CN;
Yankun Luo, Shenzhen, CN;
Zhongyan Chai, Shanghai, CN;
Chen Liu, Xi'an, CN;
Jie Ma, Beijing, CN;
Huawei Technologies Co., Ltd., Shenzhen, CN;
Abstract
A method for tracking a terminal device having a cellular modem and a positioning module is disclosed. The method comprises monitoring a location of a terminal device through a cellular network using the cellular modem of the terminal device, while the positioning module of the terminal device is disabled; determining that the terminal device enters a first cell of the cellular network based on signals from the cellular modem; enabling the positioning module of the terminal device in response to the determination that the terminal device enters the first cell; and obtaining from the positioning module a first geographical location of the terminal device in the first cell.