On the Mutual Information of VLC Systems Employing Color-Shift Keying

Linqiong Jia,Jin-Yuan Wang,Nuo Huang,Zhaohui Yang,Ming Chen

IEEE Photonics Technology Letters（2017）

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摘要

In visible light communication (VLC), color-shift keying (CSK) is an intensity modulation scheme that transmits data through the variation of color with fixed optical intensity. The mutual information of a CSK modulation scheme is investigated in this letter. An expression for the mutual information of the VLC system is first derived. However, the expression is not in a closed form and its value c...

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关键词

Mutual information,Light emitting diodes,Image color analysis,Signal to noise ratio,Modulation,Lighting,Visible light communication

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