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

Haigh, Paul, Bausi, Francesco, Kanesan, Thavamaran, Le, Son Thai, Rajbhandari, Sujan, Ghassemlooy, Zabih, Papakonstantinou, Ioannis, Popoola, Wasiu Oyewole, Burton, Andrew, Le Minh, Hoa, Ellis, Andrew D. and Cacialli, Franco (2014) A 20-Mb/s VLC Link With a Polymer LED and a Multilayer Perceptron Equalizer. IEEE Photonics Technology Letters, 26 (19). pp. 1975-1978. ISSN 1041-1135

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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.

Item Type:	Article
Uncontrolled Keywords:	Artificial neural network, bit error rate, equalizers, organic light emitting diodes, visible light communications
Subjects:	H600 Electronic and Electrical Engineering
Department:	Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User:	Paul Burns
Date Deposited:	23 Sep 2014 08:31
Last Modified:	12 Oct 2019 19:20
URI:	http://nrl.northumbria.ac.uk/id/eprint/17644

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