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A 20-Mb/s VLC Link With a Polymer LED and a Multilayer Perceptron Equalizer

  • P. A. Haigh
  • , F. Bausi
  • , T. Kanesan
  • , S. T. Le
  • , Sujan Rajbhandari
  • , Z. Ghassemlooy
  • , I. Papakonstantinou
  • , W. Popoola
  • , A. Burton
  • , H. Le Min
  • , A. D. Ellis
  • , F. Cacialli
  • University of Oxford

Research output: Contribution to journalArticlepeer-review

Abstract

This letter experimentally demonstrates a visible light communication system using a 350-kHz polymer light-emitting diode operating at a total bit rate of 19 Mb/s with a bit error rate (BER) of 10-6 and 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
Pages (from-to)1975 - 1978
JournalIEEE Photonics Technology Letters
Volume26
Issue number19
DOIs
Publication statusPublished - 1 Oct 2014
Externally publishedYes

Keywords

  • error statistics
  • forward error correction
  • multilayer perceptrons
  • neural nets
  • optical communication equipment
  • optical links
  • optical modulation
  • organic light emitting diodes
  • visible spectra
  • VLC link
  • artificial neural network classifier
  • bit error rate
  • bit rate 10 Mbit/s to 6 Mbit/s
  • bit rate 19 Mbit/s
  • bit rate 20 Mbit/s
  • forward error correction limit
  • frequency 350 kHz
  • modulation format
  • multilayer perceptron equalizer
  • polymer LED
  • polymer light-emitting diode
  • visible light communication system
  • Artificial neural network
  • equalizers
  • visible light communications
  • Artificial neural networks
  • Bandwidth
  • Bit error rate
  • Equalizers
  • Neurons
  • Polymers
  • Training

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