公开(公告)号：US20220191641A1

公开(公告)日：2022-06-16

申请号：US17442945

申请日：2019-03-25

Applicant: Huawei Technologies Co., Ltd.

Inventor： Weibo Hou ,  Zicheng Yang ,  Gelin Ren ,  Haimou Shi ,  Xiang Min ,  Shuai Wang ,  Zhenguo Zhou

IPC: H04W4/021 ,  H04W4/029 ,  G01S19/51 ,  G01S5/02

Abstract: A method for determining that a terminal device is located inside a geofence includes obtaining, based on a positioning library, a first geographical location corresponding to communication access information of the terminal device. If a location relationship between the first geographical location and the geofence meets a first preset condition, starting a positioning module to obtain a second geographical location of the terminal device and determining, based on the second geographical location, that the terminal device is located inside the geofence.