[ThE2] Free Space Optical Systems

[ThE2-2] Efficient Dimming Control with Time Domain Hybrid Modulation in Indoor Hybrid Visible Light / Infrared Communication Systems

〇Xiaodi You¹, Jian Chen², Yanjun Zhong², Shuyan Chen³, Changyuan Yu¹ (¹The Hong Kong Polytechnic Univ., Hong Kong, ²Nanjing Univ. of Posts and Telecommunications, China, ³Jinling College, Nanjing Univ., China)

Keywords:Transmission subsystems, Optical transmitter and receiver subsystems

In indoor hybrid visible light / infrared communication systems, we propose a dimming control scheme using time domain hybrid modulation. The scheme can reduce required launching power by 19.2% and improve transmission efficiency effectively.