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Experimental Demonstration of OFDM/OQAM Transmission for Visible Light Communications

  • Bangjiang Lin*
  • , Xuan Tang
  • , Zabih Ghassemlooy
  • , Xi Fang
  • , Chun Lin
  • , Yiwei Li
  • , Shihao Zhang
  • *Corresponding author for this work
  • Chinese Academy of Sciences
  • Northumbria University
  • Peking University

Research output: Contribution to journalArticlepeer-review

Abstract

We propose a modified orthogonal frequency division multiplexing/offset quadrature amplitude modulation (OFDM/OQAM) scheme for visible light communications (VLC). The OFDM/OQAM VLC system can efficiently boost the data rate, and combat multipath induced the inter symbol interference (ISI) and inter carrier interference (ICI). To combat the effect of intrinsic imaginary interference, intrasymbol frequency-domain averaging and minimum mean squared error (MMSE), combined with interference approximation method, are proposed. The experiment results show that the proposed system offers similar bit error rate performance to that of OFDM, while the bit rate is increased by 9% for the elimination of cyclic-prefix and guard band.

Original languageEnglish
Pages (from-to)1-10
Number of pages10
JournalIEEE Photonics Journal
Volume8
Issue number5
DOIs
StatePublished - Oct 2016
Externally publishedYes

Keywords

  • Offset quadrature amplitude modulation (OQAM)
  • orthogonal frequency division multiplexing access (OFDM)
  • visible light communications (VLC)

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