Orthogonal frequency-division multiplexing access (OFDMA) based wireless visible light communication (VLC) system

Jiun Yu Sung, Chien Hung Yeh*, Chi-Wai Chow, Wan Feng Lin, Yang Liu

*Corresponding author for this work

Research output: Contribution to journalArticle

26 Scopus citations

Abstract

An orthogonal frequency-division multiplexing access (OFDMA) based visible light communication (VLC) system is proposed in this paper. The architecture of the proposed system is divided into several VLC cells, which is defined in this paper. The deployment and upgrade of the system involve only simple combination of the VLC cells. Hence it is economically advantageous. To guarantee smooth communication, nearly equal data rate is provided at every location within the system with no concern on the system scale. The user location monitor strategy is also discussed to solve the region division issues. The characteristics of the proposed system are analyzed in detail in this paper. A one-dimensional experiment was demonstrated with 13.6 Mb/s data rate.

Original languageEnglish
Pages (from-to)261-268
Number of pages8
JournalOptics Communications
Volume355
DOIs
StatePublished - 1 Jan 2015

Keywords

  • Discrete-multi tone (DMT)
  • Orthogonal frequency division multiplexing access (OFDMA)
  • Phosphor-LED
  • Visible light communication (VLC)

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