可见光通信中正交频分复用调制技术

徐宪莹; 岳殿武

doi:10.37188/CO.2020-0051

Volume 14 Issue 3

May 2021

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Chinese Optics > 2021 > 14(3): 516-527.

XU Xian-ying, YUE Dian-wu. Orthogonal frequency division multiplexing modulation techniques in visible light communication[J]. Chinese Optics, 2021, 14(3): 516-527. doi: 10.37188/CO.2020-0051

Citation:

XU Xian-ying, YUE Dian-wu. Orthogonal frequency division multiplexing modulation techniques in visible light communication[J]. Chinese Optics, 2021, 14(3): 516-527. doi: 10.37188/CO.2020-0051

XU Xian-ying, YUE Dian-wu. Orthogonal frequency division multiplexing modulation techniques in visible light communication[J]. Chinese Optics, 2021, 14(3): 516-527. doi: 10.37188/CO.2020-0051

Citation:

XU Xian-ying, YUE Dian-wu. Orthogonal frequency division multiplexing modulation techniques in visible light communication[J]. Chinese Optics, 2021, 14(3): 516-527. doi: 10.37188/CO.2020-0051

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Orthogonal frequency division multiplexing modulation techniques in visible light communication

doi: 10.37188/CO.2020-0051

XU Xian-ying^{1, 2
,},
YUE Dian-wu^{1
,
,}

1.
College of Information Science and Technology, Dalian Maritime University, Dalian 116026, China
2.
College of Electrical Engineering, Dalian University of Science and Technology, Dalian 116052, China

Funds: Supported by National Natural Science Foundation of China (No. 61371091); Research Project on Postgraduate Education and Teaching Reform of Dalian Maritime University (No. YJG2019205)

More Information

Corresponding author: dwyue@dlmu.edu.cn
Received Date: 30 Mar 2020
Rev Recd Date: 26 May 2020

Available Online: 17 Apr 2021

Publish Date: 01 May 2021

Abstract

Abstract

With its unique advantages, Visible Light Communication (VLC) can compensate for limitations in radio frequency communication, allowing it to become a recent avid topic of research. Orthogonal Frequency Division Multiplexing (OFDM) has been widely used in VLC due to its high rate of data transfer and frequency selective fading resistance. We compare the performance of several OFDM modulation techniques in VLC, including unipolar schemes, enhanced schemes and hybrid schemes based on discrete Fourier transformation, as well as optical OFDM systems based on Hartley transform and LED index modulation. We perform these comparisons in terms of energy efficiency, spectral efficiency, bit error rate, and algorithm complexity. The principles of some kinds of optical OFDM systems are firstly illustrated and their spectrum efficiencies are theoretically analyzed and compared. We also research and analysis the improved design of receivers in optical OFDM systems. The challenges and upcoming research of OFDM systems in VLC are summarized. The research in this paper can provide a research reference and propose more efficient unipolar modulation schemes to further improve the spectral efficiency and reliability of optical OFDM systems.
- visible light communication,
- orthogonal frequency division multiplexing,
- spectrum efficiency,
- improved receiver,
- index modulation

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References(70)

References

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