公开(公告)号：US20170317746A1

公开(公告)日：2017-11-02

申请号：US15518146

申请日：2014-12-29

Applicant: SOUTHEAST UNIVERSITY

Inventor： Wei XU ,  Jia WANG ,  Hua ZHANG

IPC: H04B10/116 ,  H04B10/564 ,  H04B10/50 ,  H04B10/60 ,  H04B10/079

CPC classification number: H04B10/116 ,  G01S1/70 ,  G01S5/16 ,  H04B10/07955 ,  H04B10/502 ,  H04B10/564 ,  H04B10/60

Abstract: It discloses a precise locating method of utilizing indoor visible light communication system, which belongs to the field of visible light communication; arranging any number of light emitting diode (LED) lamps indoors, setting the signal transmission power of each LED lamp to be the same and fixing the absolute location of each LED lamp, the terminal required for locating is equipped with several receiving devices, whose relative positions are known, then a position coordinate of the terminal can be obtained by determining the geometric center position of this set of receiving devices through calculating the measured light signal power of the receiving devices on the terminal.