公开(公告)号：US20200309896A1

公开(公告)日：2020-10-01

申请号：US16731046

申请日：2019-12-31

Applicant: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY

Inventor： YUBIN ZHAO ,  FANGMIN LI ,  CHENGZHONG XU

IPC: G01S5/14 ,  G01S5/02

Abstract: This application relates to an indoor positioning method and system and an electronic device. The method includes: calculating distances between an unknown node and at least three known nodes; obtaining at least three square regions around the at least three known nodes by using the distances as radiuses, and obtaining a minimum overlapping region based on overlapping parts of the at least three square regions; reducing the minimum overlapping region in an equal proportion by using a geometric center of the minimum overlapping region as a center to obtain a new square region; calculating an optimal vertex location of the new square region through iteration; and forming a new smaller region around the optimal vertex location by using the optimal vertex location as a new central point, and using an optimal vertex location of the smaller region as an estimated location of the unknown node.