Color independency is an important factor in visible light communication (VLC) systems.\nThis paper aims to review and summarize recent achievements in color-independent visible light\ncommunication based on color space, with the main focus being on color-space-based modulation\n(CSBM), termed as generalized color modulation (GCM), which allows VLC to adapt to any target\ncolor. The main advantages of GCM are its color independency, reasonable bit error rate (BER)\nperformance during color variation, and dimming control. We also address our past research works\nthat aimed to achieve a color-independent visual MIMO system by incorporating the advantages\nof GCM, which can lead to higher data rates over longer distances and improved performance,\nusing image processing in addition to color independency. Finally, two case studies are introduced\nto demonstrate the potential applicability of a color-independent visual-MIMO system using\ncolor-space-based modulation techniques.
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