公开(公告)号：US20210377898A1

公开(公告)日：2021-12-02

申请号：US17354209

申请日：2021-06-22

Applicant: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.

Inventor： Fangsheng JIANG ,  Hailu JIA

IPC: H04W64/00 ,  H04W4/90 ,  H04W4/14 ,  H04L9/30 ,  H04L29/06

Abstract: The present application discloses a terminal device locating method, a terminal device, a system, an emergency locating server, an electronic device and a storage medium, and relates to locating and information flow technologies. A specific implementation solution is: acquiring dialing information of a call of a terminal device, sending information related to a location of the terminal device through a non-network channel to an emergency locating server if the call is determined to be an emergency call according to the dialing information, where the information related to the location of the terminal device is used to locate the terminal device and obtain locating information of the terminal device.

公开(公告)号：US20230070349A1

公开(公告)日：2023-03-09

申请号：US18048944

申请日：2022-10-24

Applicant: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.

Inventor： Xi CHEN ,  Guangdi SHAN ,  Wei LI ,  Fangsheng JIANG ,  Hailu JIA

IPC: G01S19/47 ,  G01S19/43

Abstract: A positioning method includes: receiving detection data sent by a positioning device, in which the detection data includes first satellite data of multiple satellites; determining prediction noise of each satellite based on the first satellite data, and determining a weight of each satellite based on the prediction noise; and determining a position of the positioning device based on the weight and observation equations.