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Color space based modulation (CSBM) schemes have the potential to replace conventional intensity based modulation in visible-light communication (VLC) systems. This study attempts to address three major issues of the CSBM scheme in VLC systems, which are (1) performance improvement of CSBM as compared to conventional intensity based modulation, (2) intensity control, and (3) adaption to color variation...
OFDM scheme is considered to enhance the data rate of visible light communication using lighting LEDs. In implementing this system, the inherent nonlinearity of LEDs is one of the factors of performance degradation. In this study, this LED nonlinearity is compensated by predistortion and performance enhancement is shown. Characterization and predistortion procedures of LEDs are proposed and experimental...
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