公开(公告)号：US20230093020A1

公开(公告)日：2023-03-23

申请号：US17993093

申请日：2022-11-23

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jianfei LI ,  Aixue YE ,  Yajun GAO ,  Feng WEN

IPC: G01C21/00 ,  G01C21/36

Abstract: A positioning method, which relates to the positioning field and is applied to target positioning in a spatially overlapping scenario, is disclosed. The positioning method can avoid a positioning error in the spatially overlapping scenario. The method includes: constructing a local topology map of a target at a current moment based on identifiers of segments and one or more connection relationships among at least some of the segments, wherein the identifiers of the segments and the one or more connection relationships are prestored in map information; and determining, by using the local topology map, a specific road segment in which a target located in a spatially overlapping region is located at a next moment. In addition, a positioning map linked with a road segment may be further stored in the map information, and a positioning map linked with a positioned road segment is determined based on the positioned road segment, to implement high-precision positioning.