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Wireless Personal Communications

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03-02-2020

Multipath Diversity for OFDM Based Visible Light Communication Systems Through Fractional Sampling

Authors: Nurzhan Kalikulov, Diana Zhussip, Nauryzgali Zhexenov, Refik Caglar Kizilirmak

Published in: Wireless Personal Communications | Issue 4/2020

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Abstract

In this paper, we propose fractional sampling for optical orthogonal frequency division multiplexing (O-OFDM) in order to achieve diversity gain for indoor visible light communication systems. Fractional sampling (FS) is a diversity technique that generates different replicas of the received OFDM symbol by sampling the received signal higher than the baud rate. Indoor optical wireless channels exhibit frequency selectivity and FS increases the reliability of the transmission by exploiting the multipath diversity. Our numerical results show that for a realistic indoor channel model, proposed FS receiver provides significant performance improvement over conventional OFDM receiver.

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Title: Multipath Diversity for OFDM Based Visible Light Communication Systems Through Fractional Sampling
Authors: Nurzhan Kalikulov
Diana Zhussip
Nauryzgali Zhexenov
Refik Caglar Kizilirmak
Publication date: 03-02-2020
Publisher: Springer US
Published in: Wireless Personal Communications / Issue 4/2020
Print ISSN: 0929-6212
Electronic ISSN: 1572-834X
DOI: https://doi.org/10.1007/s11277-020-07171-y

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