公开(公告)号：US20210190964A1

公开(公告)日：2021-06-24

申请号：US16755031

申请日：2017-12-25

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yun Tan ,  Xiaolong Wang ,  Peng Li ,  Wei Liu

IPC: G01S19/25 ,  G01S19/10 ,  G01S19/23 ,  G01S19/05 ,  H04J3/06

Abstract: A method includes receiving, by an electronic device, a positioning request; responding to the positioning request; determining a target time source having the highest priority in at least two time sources; providing, for a GPS chip, a target time currently corresponding to the target time source; and performing GPS positioning based on the target time.

公开(公告)号：US11474259B2

公开(公告)日：2022-10-18

申请号：US16755031

申请日：2017-12-25

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yun Tan ,  Xiaolong Wang ,  Peng Li ,  Wei Liu

IPC: G01S19/25 ,  G01S19/05 ,  G01S19/10 ,  G01S19/23 ,  H04J3/06

Abstract: A method includes receiving, by an electronic device, a positioning request; responding to the positioning request; determining a target time source having the highest priority in at least two time sources; providing, for a GPS chip, a target time currently corresponding to the target time source; and performing GPS positioning based on the target time.