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 moderatesize office room, where we assume illumination conforming to standards and the use of commercially available LEDs and photodiodes. The performances of systems relying on base-band (i.e. Pulse-Amplitude Modulation-PAM) and discrete multi-tone (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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