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14 February 2019 A clustering algorithm to resist multipath effect for OFDM-VLC system
Jie Ma, Jing He, Zhihua Zhou, Jing He, Yaoqiang Xiao
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Proceedings Volume 11048, 17th International Conference on Optical Communications and Networks (ICOCN2018); 110480T (2019) https://doi.org/10.1117/12.2519437
Event: 17th International Conference on Optical Communications and Networks (ICOCN2018), 2018, Zhuhai, China
Abstract
In this paper, to mitigate frequency selective power fading induced by multipath effect, a clustering algorithm based on k-means is proposed for OFDM-VLC system. The simulation results show that, aided by the k-means clustering algorithm, the signal-to-noise ratio (SNR) is improved by more than 7 dB compared to the scheme without k-means clustering algorithm at BER of 3.8×10-3, the hard decision forward error correction (HD-FEC) limit.
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Jie Ma, Jing He, Zhihua Zhou, Jing He, and Yaoqiang Xiao "A clustering algorithm to resist multipath effect for OFDM-VLC system", Proc. SPIE 11048, 17th International Conference on Optical Communications and Networks (ICOCN2018), 110480T (14 February 2019); https://doi.org/10.1117/12.2519437
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KEYWORDS
Orthogonal frequency division multiplexing
Signal to noise ratio
Digital signal processing
Modulation
Computer simulations
Demodulation
Light emitting diodes
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