Metaheuristic Optimization of LED Locations for Visible Light Positioning Network Planning

被引:16
作者
Bastiaens, Sander [1 ]
Goudos, Sotirios K. [2 ]
Joseph, Wout [1 ]
Plets, David [1 ]
机构
[1] Univ Ghent, Res Grp WAVES, Dept Informat Technol INTEC, IMEC, B-9052 Ghent, Belgium
[2] Aristotle Univ Thessaloniki, ELEDIA AUTH, Dept Phys, Thessaloniki 54124, Greece
关键词
Light emitting diodes; Receivers; Planning; Signal to noise ratio; Wireless communication; Visible light communication; Particle swarm optimization; Visible light positioning; VLP; positioning; network planning; LED locations; optimization; evolutionary algorithm; SYSTEM; ALGORITHM; VLP;
D O I
10.1109/TBC.2021.3099734
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
Optical Wireless Communication (OWC) is being explored for application in the next-generation broadcasting networks, where possessing accurately determined user locations becomes increasingly important. Received signal strength (RSS) Visible Light Positioning (VLP)-based localisation systems aim to deliver these centimetre-level location data at a low cost by featuring but a single photodiode (PD). Maximising the VLP accuracy requires optimising the LED transmitter locations, which is missing currently. An evolutionary optimisation algorithm is proposed to determine the optimal LED locations and the associated positioning error values for various configurations. The sensitivity of the planning on the number of VLP-enabled LEDs, the LEDs' characteristics, the room dimensions and the positioning parameters is investigated. Experimental data, i.e., two datasets with 157(2) measurement points each, serve to validate the simulations.
引用
收藏
页码:894 / 908
页数:15
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