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Development of Visible Light Communication (VLC) System Technology Based on High Brightness LED light  

Lee, Jong-Hyeok (선문대학교 컴퓨터공학과)
Jang, Kyung-Soon (선문대학교 컴퓨터공학과)
Kim, Byung-Gyu (선문대학교 컴퓨터공학과)
Kim, Jin-Ho ((주)하나마이크론)
Publication Information
Convergence Security Journal / v.14, no.7, 2014 , pp. 29-36 More about this Journal
Abstract
In this study, we design and develop a VLC test-bed system which has been recently issued and focused as good convergence technology in the world. We classify the developed system into transmission part including analog LED driver module, digital signal modulation module, and receiver part with light sensing module and signal demodulation module. Then we introduce important characteristics and components. We analyze some factors for each module. To validate the communication of the designed VLC system, we develop a VLC sender-receiver simulator which can control the dimming factor and flicker-free effect. From the developed system, we observed about 12Mbps of data transmission rate with 0.5m~1m of distance, without packet loss. We verified the real-time communication with multimedia streaming which can be considered as very high date rate. The developed system and technology will be useful for some converged data services like indoor positing, home appliances, and indoor parking system.
Keywords
visible light communication; convergence technology; LED light; indoor positing system;
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