Performance analysis of optimum line coding for high speed data communication in VLC system

  • Authors:

  • Jae Hyuck Choi;Sung Wan Koo;Jin Young Kim

  • Affiliations:

  • Department of Wireless Communications Engineering, Kwangwoon University, Seoul, Korea;Department of Wireless Communications Engineering, Kwangwoon University, Seoul, Korea;Department of Wireless Communications Engineering, Kwangwoon University, Seoul, Korea

  • Venue:
  • ISCIT'09 Proceedings of the 9th international conference on Communications and information technologies
  • Year:
  • 2009

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Abstract

We propose a V5-HBT line coding for a visible light communication (VLC) system. V5-HBT line coding is defined as follows. First, we apply half bit transition to one bit. Second, we decode encoded bits using difference of bit transition level in one bit duration. As a result, we obtain advantages about synchronization problem and noise effect mitigation at the receiver. We set up outdoor the VLC simulation environment. At simulation results, we show 2-3dB gain as compared with existing line coding schemes.