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Broadband Information Broadcasting Using LED-Based Interior Lighting

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4 Author(s)
Grubor, J. ; Fraunhofer Inst. for Telecommun., Heinrich-Hertz-Inst., Berlin, Germany ; Randel, S. ; Langer, K.-D. ; Walewski, J.W.

Emergence of white-light LEDs allows the combination of lighting and information broadcast functionality in one optical source. We investigate analytically and by Monte Carlo simulations feasible data transmission rates in a moderate-size office room, where we assume illumination conforming to standards and the use of commercially available LEDs and photodiodes. The performances of systems relying on baseband [i.e., pulse-amplitude modulation (PAM)] and discrete multitone (DMT) transmission show that data rates of more than 100 Mbit/s can be expected despite the rather low bandwidth of the system.

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Lightwave Technology, Journal of  (Volume:26 ,  Issue: 24 )