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A Wide-Area Coverage 35 Gb/s Visible Light Communications Link for Indoor Wireless Applications
Hyunchae Chun1, Ariel Gomez2, Crisanto Quintana3
1Deptment of Information and Telecommunication Engineering, Incheon National University, Incheon, 22012, Korea.
Abstract:
Visible Light Communications (VLC) can provide both illumination and communications and offers a means to alleviate the predicted spectrum crunch for radio-frequency wireless communications. In this paper, we report a laser diode based white-light communications link that operates over a wide area and supports high data rates. The proposed system is a four-colour multiplexed high-speed VLC system that uses a microelectromechanical system (MEMS) mirror-based beam-steering. The system operates at record data-rates of more than 35 Gb/s (Bit Error Rate(BER) < 3.8 × 10-3) with a coverage area of 39 m2 at a link distance of 4 m. To the best of our knowledge this is the fastest VLC demonstration reported thus far. The paper also addresses issues of eye-safety, showing data rates of more than 10 Gb/s are feasible.
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