Improvement of Transmission Bandwidth for Indoor Optical Wireless Communication Systems Using an Elliptical Lambertian Beam

Wu, Dehao, Ghassemlooy, Zabih, Rajbhandari, Sujan, Le Minh, Hoa and Boucouvalas, Anthony (2013) Improvement of Transmission Bandwidth for Indoor Optical Wireless Communication Systems Using an Elliptical Lambertian Beam. IEEE Photonics Technology Letters, 25 (2). pp. 107-110. ISSN 1041-1135

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Official URL: http://dx.doi.org/10.1109/LPT.2012.2227304

Abstract

In this letter, we propose a tuned elliptical Lambertian beam (ELB) model to achieve a higher transmission bandwidth than the conventional circular Lambertian beam (CLB) model for indoor optical wireless communication systems. ELB is generated by employing aM°×N° light shaping diffuser, and its power distribution is investigated. We first derive new expressions of the power distribution and the multipath impulse response for ELB. From the precise frequency responses of CLB and ELB sources, we show that the tuned ELB model offers a higher transmission bandwidth than CLB.

Item Type: Article
Uncontrolled Keywords: Elliptical Lambertian beam, multipath dispersion and frequency response, optical wireless communication
Subjects: H600 Electronic and Electrical Engineering
Department: Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User: Ay Okpokam
Date Deposited: 07 Oct 2013 11:22
Last Modified: 10 Aug 2015 11:09
URI: http://nrl.northumbria.ac.uk/id/eprint/13767

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