Illumination interference reduction system for VLC communications

Authors:
Victor Guerra Yánez;Julio Rufo Torres;Jesús Bernardino Alonso;José A. Rabadán Borges;Crisanto Quintana Sánchez;Carlos Travieso González;Rafael Pérez Jiménez;Francisco Delgado Rajo
Affiliations:
Centro Tecnológico para la Innovación en Comunicaciones, Universidad de Las Palmas de Gran Canaria;Centro Tecnológico para la Innovación en Comunicaciones, Universidad de Las Palmas de Gran Canaria;Centro Tecnológico para la Innovación en Comunicaciones, Universidad de Las Palmas de Gran Canaria;Centro Tecnológico para la Innovación en Comunicaciones, Universidad de Las Palmas de Gran Canaria;Centro Tecnológico para la Innovación en Comunicaciones, Universidad de Las Palmas de Gran Canaria;Centro Tecnológico para la Innovación en Comunicaciones, Universidad de Las Palmas de Gran Canaria;Centro Tecnológico para la Innovación en Comunicaciones, Universidad de Las Palmas de Gran Canaria;Centro Tecnológico para la Innovación en Comunicaciones, Universidad de Las Palmas de Gran Canaria
Venue:
MAMECTIS'09 Proceedings of the 11th WSEAS international conference on Mathematical methods, computational techniques and intelligent systems
Year:
2009

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Abstract

In this work, an illumination interference reduction technique for visible light communications (VLC) is presented. In this kind of systems an optical wireless communication is established using visible light wavelength, therefore optical filtering for interference rejection can not be employed. Instead of the optical filtering a signal processing based solution is proposed. It consists of the equalization of the received signal by a transmission channel inverse filter in order to reduce the effects of the channel in the signal. The channel model has been aproximated by linear prediction coefficients.