An Accurate Ranging Algorithm Based on Received Signal Strength in Visible Light Communication

被引：3
作者：
Amini, Changeez [1 ]
Azmi, Paeiz [1 ]
Kashef, Seyed Sadra [2 ]
机构：
[1] Tarbiat Modares Univ, Dept Elect & Comp Engn, Tehran, Iran
[2] Urmia Univ, Dept Elect & Comp Engn, Orumiyeh, Iran
来源：
JOURNAL OF LIGHTWAVE TECHNOLOGY | 2021年 / 39卷 / 14期
关键词：
Optical receivers; Visible light communication; Optical noise; Optical transmitters; Light emitting diodes; Maximum likelihood estimation; Photodiodes; received signal strength; range estimation; tilting; dependent shot noise; ANGLE;
D O I：
10.1109/JLT.2021.3078544
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：
In this paper, the line of sight (LOS) propagation model in visible light communication for a receiver with tilting plane is precisely derived. In addition, a relatively simple and reasonably accurate model of LOS propagation is proposed to employ received signal strength algorithm. Then, the maximum likelihood estimator is applied in range estimation where a new shot noise (RSN) source as a function of received signal power, is considered. Moreover, the Cramer-Rao lower bound is derived in closed form by considering RSN and tilting plane. Next, the influence of the Lambertian emission order on the channel model is investigated, theoretically and the optimum value of the Lambertian emission order is presented. Finally, performance is evaluated numerically.
引用
收藏
页码：4654 / 4660
页数：7
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