Optimized design of the light source for an indoor visible light communication system based on an improved bat algorithm

被引：11

作者：

Huang, Li ^{[1
]}

Wang, Ping ^{[1
]}

Wang, Jingyu ^{[2
]}

Chi, Sihui ^{[1
]}

Niu, Shuqiang ^{[1
]}

Nan, Xi ^{[1
]}

Che, Hui ^{[1
]}

机构：

[1] Xidian Univ, Sch Telecommun Engn, State Key Lab Integrated Serv Networks, Xian 710071, Peoples R China

[2] Natl Univ Def Technol, Coll Informat & Commun, Xian 710106, Peoples R China

来源：

APPLIED OPTICS | 2020年 / 59卷 / 34期

关键词：

Optimization - Visible light communication - Light;

D O I：

10.1364/AO.401990

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Aiming at the problem of uneven distribution of receiving illuminance and optical power on the receiving plane of the visible light communication (VLC) system, this paper proposes a light source optimization method based on an improved bat algorithm (IBA). Taking the rectangular and hybrid layouts with 16 light-emitting diodes (LEDs), as examples, we set the variance of received light power on the receiving plane as the fitness function. By redesigning the speed update method and local search method of the traditional bat algorithm (BA), the IBA is used to optimize the LED half-power angle and LED position that affect the system performance. The simulation results show that, considering the primary reflection of the wall, the method can reduce the received illumination and optical power fluctuation of the receiving plane within a limited number of iterations under different light source layout schemes. (C) 2020 Optical Society of America

引用

页码：10638 / 10644

页数：7

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