Comparative study of classifiers to mitigate intersymbol interference in diffuse indoor optical wireless communication links

Rajbhandari, Sujan, Faith, Joe, Ghassemlooy, Zabih and Angelova, Maia (2013) Comparative study of classifiers to mitigate intersymbol interference in diffuse indoor optical wireless communication links. Optik - International Journal for Light and Electron Optics, 124 (20). pp. 4192-4196. ISSN 0030-4026

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Abstract

The maximum data rate that can be achieved in diffuse indoor optical wireless communication (OWC) is limited due to the effect of intersymbol interference (ISI). The adverse effect of ISI on the system performance can be minimised using a channel equaliser at the receiver. In this study, digital signal detection is formulated as a classification problem and hence a classifier is adopted at the receiver. The bit error performance of classifiers with non-linear decision boundary including a multilayer perceptron (MLP), a support vector machine (SVM), the radial basis function (RBF), and the Bayesian classifier is studied along with traditional equaliser and reported here. The MLP offers the best performance; however there is trade-off between the performance and complexity especially at highly diffuse channel.

Item Type:	Article
Additional Information:	Published online before print version.
Uncontrolled Keywords:	Optical wireless communication, artificial intelligence, classification of digital signal, Ddiffuse optical channel
Subjects:	G900 Others in Mathematical and Computing Sciences H600 Electronic and Electrical Engineering
Department:	Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User:	Sarah Howells
Date Deposited:	19 Mar 2013 13:09
Last Modified:	13 Oct 2019 00:33
URI:	http://nrl.northumbria.ac.uk/id/eprint/11480

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