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Performance Analysis of Visible Light Communication Based on 16-QAM Companded OFDM Using Laser Diode

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Published/Copyright: November 7, 2017
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Abstract

In this paper, a 16-QAM orthogonal frequency division multiplexing (OFDM) with companding technique is proposed and experimentally demonstrated in a high-speed visible laser light communication setup with low-cost 450 nm blue-light laser diode. Companding technique is used to reduce the high peak-to-average power ratio (PAPR) of the OFDM signal. The experimental results show a successfully achieved 2.5 Gb/s under 5 m free space transmission and a PAPR reduction of about 3.2 dB at a fixed complementary cumulative distribution function of 10–3 when compared with the regular one without any technique.

Acknowledgment

This work is supported by the National Natural Science Foundation of China (K13A200020) and by the Watchdata LTD’s postdoctoral research center.

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Received: 2017-09-07
Accepted: 2017-10-09
Published Online: 2017-11-07
Published in Print: 2020-03-26

© 2020 Walter de Gruyter GmbH, Berlin/Boston

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