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http://dx.doi.org/10.5909/JBE.2009.14.1.70

New Line Coding of Visible Light Communication System for WPAN  

Kim, Jin-Young (Department of Wireless Communications Engineering, Kwangwoon University)
Choi, Jae-Hyuck (Department of Wireless Communications Engineering, Kwangwoon University)
Sang, Cha-Jae (Department of Media Engineering, Seoul National University of Technology)
Publication Information
Journal of Broadcast Engineering / v.14, no.1, 2009 , pp. 70-80 More about this Journal
Abstract
We propose an ideal line coding for high speed data communication in visible light communication system. B4-HBT line coding is defined as follow. The 1 bit is +V at first though 1 encodes +Voltage and -Voltage doing change of shift each other, then -V newly. V that is been mutually contradictory for 1 bit that exist before that if continuous 0 bits exist 4 here same and reduces mistake because has reverse mark V in 4 continuous last 0 bits and gives half bit variation in 1 bit and made effect of noise low. 2${\sim}$3 dB profit is seen comparing with line coding that exist in simulation result.
Keywords
Visible light communication; line coding; half bit transition;
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