Visible-light communication multiple-input multiple-output technology for indoor lighting, communication, and positioning

Yang Liu; Chin-Wei Hsu; Hung-Yu Chen; Kevin Liang; Chi-Wai Chow; Chien-Hung Yeh

doi:10.1117/1.OE.54.12.120502

22 December 2015 Visible-light communication multiple-input multiple-output technology for indoor lighting, communication, and positioning

Yang Liu, Chin-Wei Hsu, Hung-Yu Chen, Kevin Liang, Chi-Wai Chow, Chien-Hung Yeh

Author Affiliations +

Optical Engineering, Vol. 54, Issue 12, 120502 (December 2015). https://doi.org/10.1117/1.OE.54.12.120502

Abstract

Visible-light communication (VLC) is license free and electromagnetic-interference free; it thus can be deployed in radio-frequency forbidden areas. The light-emitting diode (LED) system providing simultaneously lighting, VLC, and positioning is highly desirable for providing real-time tracking, monitoring, and navigating with very little extra cost. We propose and demonstrate a multiple-input multiple-output (MIMO) VLC-positioning system using white-light LEDs. Our scheme is based on MIMO to provide both position and VLC. Experimental results show that the proposed MIMO VLC system can achieve a bit-error rate of 10⁻¹⁰, while the positioning errors are within 1 cm. Numerical analyses are also performed, showing the positioning error can be measured within 1 cm. Further analysis of tilting angle of the receiver is also presented.

Citation Download Citation

Yang Liu, Chin-Wei Hsu, Hung-Yu Chen, Kevin Liang, Chi-Wai Chow, and Chien-Hung Yeh "Visible-light communication multiple-input multiple-output technology for indoor lighting, communication, and positioning," Optical Engineering 54(12), 120502 (22 December 2015). https://doi.org/10.1117/1.OE.54.12.120502

Published: 22 December 2015

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