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Electronics 2018, 7(9), 190; https://doi.org/10.3390/electronics7090190

Color-Independent Visible Light Communications Based on Color Space: State of the Art and Potentials

1
School of Electronics Engineering, Kookmin University, Seoul 02707, Korea
2
Department of Fashion Design, Kookmin University, Seoul 02707, Korea
*
Author to whom correspondence should be addressed.
Received: 23 July 2018 / Revised: 3 September 2018 / Accepted: 7 September 2018 / Published: 10 September 2018
(This article belongs to the Special Issue Visible Light Communication and Positioning)
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Abstract

Color independency is an important factor in visible light communication (VLC) systems. This paper aims to review and summarize recent achievements in color-independent visible light communication based on color space, with the main focus being on color-space-based modulation (CSBM), termed as generalized color modulation (GCM), which allows VLC to adapt to any target color. The main advantages of GCM are its color independency, reasonable bit error rate (BER) performance during color variation, and dimming control. We also address our past research works that aimed to achieve a color-independent visual MIMO system by incorporating the advantages of GCM, which can lead to higher data rates over longer distances and improved performance, using image processing in addition to color independency. Finally, two case studies are introduced to demonstrate the potential applicability of a color-independent visual-MIMO system using color-space-based modulation techniques. View Full-Text
Keywords: visible light communication; generalized color modulation; color-space-based modulation; color independence; visual MIMO; wearable device; V2X visible light communication; generalized color modulation; color-space-based modulation; color independence; visual MIMO; wearable device; V2X
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Kwon, T.-H.; Kim, J.-E.; Kim, Y.-H.; Kim, K.-D. Color-Independent Visible Light Communications Based on Color Space: State of the Art and Potentials. Electronics 2018, 7, 190.

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