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. 11, 2015
Filed:
Nov. 16, 2012
Beijing Baidu Netcom Science and Technology Co., Ltd., Beijing, CN;
Lei Yin, Beijing, CN;
BEIJING BAIDU NETCOM SCIENCE AND TECHNOLOGY CO., LTD., Beijing, CN;
Abstract
Provided are a location-based positioning method and system. The method comprises the following steps. A positioning request is received from a terminal and a location and a moving trajectory of the terminal are determined. A predicted trajectory is calculated according to the moving trajectory and road network information. A positioning request is received from the terminal at a position correction point, and a moving direction and a moving speed of the terminal is received in accordance with a location of the position correction point and the predicted trajectory. A next location of the terminal in the determined moving direction is determined based on the predicted trajectory.