Performance analysis of the VLC system with modified HDB3 line coding

  • Authors:

  • Yoon Hyun Kim;Jae Hyuck Choi;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:
  • ICACT'09 Proceedings of the 11th international conference on Advanced Communication Technology - Volume 1
  • Year:
  • 2009

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Abstract

We propose a modified high density bipolar 3-zeros (HDB3) line coding for a visible light communication (VLC) system. Modified HDB3 line coding is defined as follows. First, we apply half bit transition to HDB3. 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 indoor the VLC simulation environment by 3m*5m*5m size (height*long*wide). At simulation results, we show 2-3dB gain as compared with existing line coding schemes.