A 20-Mb/s VLC link with a polymer LED and a multilayer perceptron equalizer

Paul Anthony Haigh*, Francesco Bausi, Thavamaran Kanesan, Son Thai Le, Sujan Rajbhandari, Zabih Ghassemlooy, Ioannis Papakonstantinou, Wasiu Popoola, Andrew Burton, Hoa Le Minh, Andrew D. Ellis, Franco Cacialli

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)peer-review

27 Citations (Scopus)

Abstract

This letter experimentally demonstrates a visible light communication system using a 350-kHz polymer lightemitting diode operating at a total bit rate of 19 Mb/s with a bit error rate (BER) of 10-6and 20 Mb/s at the forward error correction limit for the first time. This represents a remarkable net data rate gain of ~55 times. The modulation format adopted is ON-OFF keying in conjunction with an artificial neural network classifier implemented as an equalizer. The number of neurons used in the experiment is varied from the set N = {5, 10, 20, 30, 40} with 40 neurons offering the best performance at 19 Mb/s and the BER of 10-6.

Original languageEnglish
Article number6868188
Pages (from-to)1975-1978
Number of pages4
JournalIEEE Photonics Technology Letters
Volume26
Issue number19
DOIs
Publication statusPublished - 1 Oct 2014

Keywords

  • Artificial neural network
  • bit error rate
  • equalizers
  • organic light emitting diodes
  • visible light communications

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