Camera Assisted Received Signal Strength Ratio Algorithm for Indoor Visible Light Positioning

被引：30

作者：

Bai, Lin ^{[1
]}

Yang, Yang ^{[1
]}

Guo, Caili ^{[1
]}

Feng, Chunyan ^{[1
]}

Xu, Xiaogeng ^{[1
]}

机构：

[1] Beijing Univ Posts & Telecommun, Beijing Key Lab Network Syst Architecture & Conve, Sch Informat & Commun Engn, Beijing 100876, Peoples R China

来源：

IEEE COMMUNICATIONS LETTERS | 2019年 / 23卷 / 11期

基金：

中国博士后科学基金;

关键词：

Camera; photodiode (PD); received signal strength ratio (RSSR); visible light positioning (VLP); COMMUNICATION;

D O I：

10.1109/LCOMM.2019.2935713

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

A novel camera assisted received signal strength ratio (CA-RSSR) positioning algorithm is proposed for visible light positioning (VLP) systems. The basic idea of CA-RSSR is to utilize visual information captured by the camera first, to analyze the geometric relations among the light-emitting diodes (LEDs) and the receiver. Based on the visual information, the photodiode (PD) can locate the receiver by the signal strength of visible lights. Due to the combination of visual and strength information of visible light signals, CA-RSSR can mitigate the receiver orientation limitation in conventional received signal strength (RSS) algorithms. In addition, the positioning accuracy of CA-RSSR is significantly better than perspective-n-point (PnP) algorithms, which achieves positioning function based on visual information only. Simulation results show that the proposed approach can achieve an 80th percentile accuracy of around 12 cm over 85 & x0025; indoor area regardless of the receiver orientations, which is better than the conventional RSS and PnP algorithms.

引用

页码：2022 / 2025

页数：4

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