公开(公告)号：US20230061599A1

公开(公告)日：2023-03-02

申请号：US17983835

申请日：2022-11-09

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

Inventor： Lei XIA ,  Hailu Jia ,  Xi Chen ,  Guangdi Shan

IPC: G01S19/27 ,  G01S19/29

Abstract: A positioning method, an electronic device and a storage medium, which relate to a field of computer technology, and in particular to fields of positioning technology and satellite navigation technology. The method includes: acquiring satellite observation data for a target object, broadcast ephemeris data for the target object, and state space representation for the target object; performing an error correction on the broadcast ephemeris data using the state space representation; determining a target positioning model according to the satellite observation data and the corrected broadcast ephemeris data; and performing a resolving operation on the target positioning model to obtain position data of the target object.

公开(公告)号：US11751161B2

公开(公告)日：2023-09-05

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 ,  H04L9/30 ,  H04L9/40 ,  H04W4/14

CPC classification number: H04W64/00 ,  H04L9/30 ,  H04L63/0428 ,  H04W4/14 ,  H04W4/90

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：US20230025458A1

公开(公告)日：2023-01-26

申请号：US17932357

申请日：2022-09-15

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

Inventor： Wei Li ,  Hailu Jia ,  Xi Chen ,  Fangsheng Jiang ,  Guangdi Shan

IPC: G01C21/16 ,  G01S19/47

Abstract: A positioning method and an on-board device. The method includes: acquiring positioning data of a vehicle from a satellite and positioning correction data from a base station; acquiring target positioning data of the vehicle by correcting the positioning data based on the positioning correction data; and sending the target positioning data to a terminal device to enable the terminal device to position the vehicle according to the target positioning data.