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Visible light communication channel disturbances and examination of the modulation formats

Published online by Cambridge University Press:  07 August 2015

Gábor Fekete ,
Gergely Mészáros ,
Eszter Udvary ,
Gábor Fehér  and
Tibor Berceli
Gábor Fekete*
Affiliation:
Budapest University of Technology and Economics, Egry József u. 18, Budapest H-1111, Hungary, Phone: +36 1 463 2634
Gergely Mészáros
Affiliation:
Budapest University of Technology and Economics, Egry József u. 18, Budapest H-1111, Hungary, Phone: +36 1 463 2634
Eszter Udvary
Affiliation:
Budapest University of Technology and Economics, Egry József u. 18, Budapest H-1111, Hungary, Phone: +36 1 463 2634
Gábor Fehér
Affiliation:
Budapest University of Technology and Economics, Egry József u. 18, Budapest H-1111, Hungary, Phone: +36 1 463 2634
Tibor Berceli
Affiliation:
Budapest University of Technology and Economics, Egry József u. 18, Budapest H-1111, Hungary, Phone: +36 1 463 2634
*
Corresponding author: G. Fekete Email: gfekete@hvt.bme.hu
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Abstract

The paper experimentally investigates indoor visible light communication (VLC) channels. The disturbances come from the light bulbs and other VLC systems. The paper demonstrates that the noisiest light bulbs are the fluorescent lamps which emit high frequency disturbances. Different light bulbs are examined to make an optimal carrier choice for the transmitted signal. In the next part of the paper several modulation schemes and two kinds of detector systems are compared. The paper represents also the advantages and disadvantages of receiver constructions with and without a lens. The optimum modulation for different application is investigated.

Keywords

Microwave photonicsWireless systems and signal processing (SDR, MIMO, UWB)

Information

Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 8 , Issue 8 , December 2016 , pp. 1163 - 1171
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2015 

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References

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