VLC oriented energy efficient driver techniques

Guillermo del Campo Jiménez; Francisco José López Hernández

doi:10.1117/12.981222

18 December 2012 VLC oriented energy efficient driver techniques

Guillermo del Campo Jiménez, Francisco José López Hernández

Proceedings Volume 8550, Optical Systems Design 2012; 85502F (2012) https://doi.org/10.1117/12.981222
Event: SPIE Optical Systems Design, 2012, Barcelona, Spain

Abstract

LEDs are substituting fluorescent and incandescent bulbs as illumination sources due to their low power consumption and long lifetime. Visible Light Communications (VLC) makes use of the LEDs short switching times to transmit information. Although LEDs switching speed is around Mbps range, higher speeds (hundred of Mbps) can be reached by using high bandwidth-efficiency modulation techniques. However, the use of these techniques requires a more complex driver which elevates drastically its power consumption. In this work an energy efficiency analysis of the different VLC modulation techniques and drivers is presented. Besides, the design of new schemes of VLC drivers is described.

Citation Download Citation

Guillermo del Campo Jiménez and Francisco José López Hernández "VLC oriented energy efficient driver techniques", Proc. SPIE 8550, Optical Systems Design 2012, 85502F (18 December 2012); https://doi.org/10.1117/12.981222

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