Research of LED Emission Cross-Section on Light Communication Systems

Wei Min Qi; Jie Xiao

doi:10.4028/www.scientific.net/AMM.602-605.3039

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 602-605Research of LED Emission Cross-Section on Light...

Research of LED Emission Cross-Section on Light Communication Systems

Abstract:

Visible light communication (VLC) is an optical wireless communication technology that uses visible light emitting diodes (LEDs) as a communication source. Since the LEDs are also used for illumination, the cross-section emission effects of the LEDs need to be analyzed as they apply to indoor VLC channels. In order to evaluate the illumination and communication performance according to the emission cross-section pattern, a simple LED model with a quasi-elliptic emission cross-section is proposed and compared to a circular LED model. The LEDs with a quasi-elliptic emission cross-section provide less fluctuation in the illumination and optical power distribution at the receiving plane. The four-transmitter VLC system is found to support at least at 30 and 33 Mb/s for circular and quasi-elliptic emission cross-section LEDs for the entire receiving plane, respectively.

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Periodical:

Applied Mechanics and Materials (Volumes 602-605)

Pages:

3039-3042

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.602-605.3039

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Online since:

August 2014

Authors:

Wei Min Qi, Jie Xiao*

Keywords:

Illumination, Light Emitting Diode (LED), Optical Communication, Visible Light Communication

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* - Corresponding Author

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