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

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

Research output: Contribution to journalArticlepeer-review

29 Citations (Scopus)


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
Issue number19
Publication statusPublished - 30 Jul 2014


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