Indoor 3-Dimensional Visible Light Positioning Based on Smartphone Camera: Error Metric and LED Layout Optimization

被引：0
|
作者：
Xu, Jiaojiao [1 ]
Huang, Nuo [1 ]
Gong, Chen [1 ]
机构：
[1] Univ Sci & Technol China, Sch Informat Sci & Technol, CAS Key Lab Wireless Opt Commun, Hefei 230027, Peoples R China
来源：
IEEE PHOTONICS JOURNAL | 2022年 / 14卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Cameras; Light emitting diodes; Layout; Optical wavelength conversion; Three-dimensional displays; Integrated circuits; Receivers; Visible light positioning (VLP); positioning metric; LED cell layout; STRENGTH RATIO ALGORITHM; COMMUNICATION; LOCALIZATION; ANGLE;
D O I：
10.1109/JPHOT.2022.3219886
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We consider 3-dimensional (3D) visible light positioning (VLP) based on smartphone camera in an indoor scenario. Based on the positioning model in the quantized pixel-domain, we characterize the 3D normalized positioning error metric (NPEM) through the partial derivative of the positioning function, and evaluate the NPEM for horizontal and non-horizontal receiver camera positions. Moreover, under horizontal receiver terminal position, we explore the relationship between the NPEM and the light-emitting diode (LED) cell layout, approximate the relationship between the NPEM and the number of LEDs captured by the camera, and evaluate the approximation accuracy according to the simulated positioning error. Based on the approximation results, we optimize the LED transmitter cell layout to minimize NPEM assuming structured square cell layouts with certain distance parameters.
引用
收藏
页数：13
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