Multiple-input multiple-output visible light communication system based on disorder dispersion components

Tao Yang; Qi Zhang; Yue Hao; Xin-hui Zhou; Ming-dong Yi; Wei Wei; Wei Huang; Xing-ao Li

doi:10.1117/1.OE.56.10.106109

17 October 2017 Multiple-input multiple-output visible light communication system based on disorder dispersion components

Tao Yang, Qi Zhang, Yue Hao, Xin-hui Zhou, Ming-dong Yi, Wei Wei, Wei Huang, Xing-ao Li

Author Affiliations +

Optical Engineering, Vol. 56, Issue 10, 106109 (October 2017). https://doi.org/10.1117/1.OE.56.10.106109

Abstract

A multiple-input multiple-output visible light communication (VLC) system based on disorder dispersion components is presented. Instead of monochromatic sources and large size photodetectors used in the traditional VLC systems, broadband sources with different spectra act as the transmitters and a compact imaging chip sensor accompanied by a disorder dispersion component and a calculating component serve as the receivers in the proposed system. This system has the merits of small size, more channels, simple structure, easy integration, and low cost. Simultaneously, the broadband sources are suitable to act as illumination sources for their white color. A regularized procedure is designed to solve a matrix equation for decoding the signals at the receivers. A proof-of-concept experiment using on–off keying modulation has been done to prove the feasibility of the design. The experimental results show that the signals decoded by the receivers fit well with those generated from the transmitters, but the bit error ratio is increased with the number of the signal channels. The experimental results can be further improved using a high-speed charge-coupled device, decreasing noises, and increasing the distance between the transmitters and the receivers.

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Tao Yang, Qi Zhang, Yue Hao, Xin-hui Zhou, Ming-dong Yi, Wei Wei, Wei Huang, and Xing-ao Li "Multiple-input multiple-output visible light communication system based on disorder dispersion components," Optical Engineering 56(10), 106109 (17 October 2017). https://doi.org/10.1117/1.OE.56.10.106109

Received: 4 July 2017; Accepted: 19 September 2017; Published: 17 October 2017

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KEYWORDS

Transmitters

Receivers

Telecommunications

Visible radiation

Calibration

Charge-coupled devices

Imaging systems

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