Lasers, Fiber Optics, and Communications

Effect of optimal Lambertian order for cellular indoor optical wireless communication and positioning systems

[+] Author Affiliations
Dehao Wu

Nanyang Technological University, Center of Optical Fibre Technological University, School of Electrical and Electronic Engineering, 50 Nanyang Avenue, 639798 Singapore

Northumbria University, Optical Communication Research Group, Faculty of Engineering and Environment, Newcastle upon Tyne NE1 8ST, United Kingdom

Zabih Ghassemlooy, Hoa Le Minh

Northumbria University, Optical Communication Research Group, Faculty of Engineering and Environment, Newcastle upon Tyne NE1 8ST, United Kingdom

Wen-De Zhong, Chen Chen

Nanyang Technological University, Center of Optical Fibre Technological University, School of Electrical and Electronic Engineering, 50 Nanyang Avenue, 639798 Singapore

Mohammad-Ali Khalighi

Institut Fresnel, Ecole Centrale Marseille, CNRS UMR 7249, Marseille, France

Stanislav Zvanovec

Czech Technical University, Department of Electromagnetic Field, Prague 166 27, Czech Republic

Anthony C. Boucouvalas

Northumbria University, Optical Communication Research Group, Faculty of Engineering and Environment, Newcastle upon Tyne NE1 8ST, United Kingdom

University of Peloponnese, Department of Informatics and Telecommunications, Terma Karaiskaki, Tripolis, Arcadia 22100, Greece

Opt. Eng. 55(6), 066114 (Jun 22, 2016). doi:10.1117/1.OE.55.6.066114
History: Received December 30, 2015; Accepted June 1, 2016
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Abstract.  We propose and analyze an optimized Lambertian order (OLO) of light-emitting diode for both indoor cellular optical wireless communication and positioning systems. We carry out analysis for the system consisting of a Lambertian source and a tilted optical receiver, and develop an expression for OLO for four-, six-, and nine-cell configurations. We investigate the channel characteristics including the optical path loss, impulse response, transmission bandwidth, and positioning accuracy for the proposed systems with and without OLO, showing that there is a significant improvement in the transmission bandwidth as well as the positioning accuracy when employing OLO. For example, for a four-cell configuration with the optimum Lambertian order, 99% of cumulative distribution function of the estimation errors is within the Cramer–Rao bound (CRB) accuracy of 6.7 to 26.7 cm, compared to the CRB accuracy of 12.8 to 29.7 cm for the Lambertian order of m=1.

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© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

Dehao Wu ; Zabih Ghassemlooy ; Wen-De Zhong ; Mohammad-Ali Khalighi ; Hoa Le Minh, et al.
"Effect of optimal Lambertian order for cellular indoor optical wireless communication and positioning systems", Opt. Eng. 55(6), 066114 (Jun 22, 2016). ; http://dx.doi.org/10.1117/1.OE.55.6.066114


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