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White Light Wireless Transmission at 200 {+} Mb/s Net Data Rate by Use of Discrete-Multitone Modulation

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6 Author(s)

Spectrally efficient data transmission with white light-emitting diodes (LEDs) is a topic of increasing interest. In this letter, we report a visible light communication link operating at 200${+}$ Mb/s net transmission rate (230${+}$ Mb/s gross) with a bit-error ratio for uncoded data below ${10^{-3}}$. The link is based on a thin-film high-power phosphorescent white LED and offline signal processing of discrete multitone signals. Transmission at the brightness levels of about 1100 and 550 lx was investigated. Our results indicate that the achievable data rates are limited by detector noise.

Published in:

Photonics Technology Letters, IEEE  (Volume:21 ,  Issue: 20 )