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A Gigabit/s Indoor Wireless Transmission Using MIMO-OFDM Visible-Light Communications

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3 Author(s)
Azhar, A.H. ; Dept. of Eng. Sci., Univ. of Oxford, Oxford, UK ; Tran, T. ; O'Brien, D.

This letter reports an experimental demonstration of indoor wireless visible-light communication transmission at 1 Gb/s. The system consists of a four-channel multiple-input multiple-output link that uses white LED sources, each transmitting signals at 250 Mb/s using orthogonal frequency division multiplexing modulation. A nine-channel imaging diversity receiver is used to detect the signals, and an average bit error rate of 10-3 is achieved at the room illumination level of ~1000 lux at 1-m range.

Published in:

Photonics Technology Letters, IEEE  (Volume:25 ,  Issue: 2 )