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Optical Engineering

Visible-light communication multiple-input multiple-output technology for indoor lighting, communication, and positioning
Author(s): Yang Liu; Chin-Wei Hsu; Hung-Yu Chen; Kevin Liang; Chi-Wai Chow; Chien-Hung Yeh
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Paper 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.

Paper Details

Date Published: 22 December 2015
PDF: 4 pages
Opt. Eng. 54(12) 120502 doi: 10.1117/1.OE.54.12.120502
Published in: Optical Engineering Volume 54, Issue 12
Show Author Affiliations
Yang Liu, Philips Mobile Display Systems (Hong Kong, China)
Chin-Wei Hsu, National Chiao Tung Univ. (Taiwan)
Hung-Yu Chen, National Chiao Tung Univ. (Taiwan)
Kevin Liang, National Chiao Tung Univ. (Taiwan)
Chi-Wai Chow, National Chiao Tung Univ. (Taiwan)
Chien-Hung Yeh, Feng Chia Univ. (Taiwan)

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