A new indoor visible light positioning scheme to reduce the influence of reflections

Yujun Liu; Junyi Zhang; Yilin Liu; Beibei Chen; Shaohua Liu; Yong Zuo

doi:10.1117/12.2521267

14 February 2019 A new indoor visible light positioning scheme to reduce the influence of reflections

Yujun Liu, Junyi Zhang, Yilin Liu, Beibei Chen, Shaohua Liu, Yong Zuo

Proceedings Volume 11048, 17th International Conference on Optical Communications and Networks (ICOCN2018); 110481D (2019) https://doi.org/10.1117/12.2521267
Event: 17th International Conference on Optical Communications and Networks (ICOCN2018), 2018, Zhuhai, China

Abstract

Indoor visible light positioning (VLP) system has drawn more and more attention in recent years. In this paper, we propose a new positioning scheme, which utilizes a close-range signal selection method and weighted mean algorithm based on received signal strength ratio (RSSR). The new scheme can effectively improve the positioning accuracy at the corners and edges of the room, that is, it can obviously reduce the impact of reflections on indoor VLP system. Simulation results show that compared with the RSSR method, the proposed scheme has improved the positioning error by at least about 38 cm, and can achieve an average positioning error of 0.0806 m in the case of 25 LEDs. Then, the positioning errors are further analyzed for several different layouts of LEDs.

Citation Download Citation

Yujun Liu, Junyi Zhang, Yilin Liu, Beibei Chen, Shaohua Liu, and Yong Zuo "A new indoor visible light positioning scheme to reduce the influence of reflections", Proc. SPIE 11048, 17th International Conference on Optical Communications and Networks (ICOCN2018), 110481D (14 February 2019); https://doi.org/10.1117/12.2521267

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KEYWORDS

Light emitting diodes

Error analysis

Telecommunications

Non-line-of-sight propagation

Signal detection

Signal processing

LED lighting

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