Research on Precoding Optical Orthogonal Frequency Division Multiplexing System in Visible Light Communication

Kejun Jia; Shaobo Wei; Ying Lin; Juanjuan Chen; Minghua Cao; Suoping Li

doi:10.3788/AOS202141.1706004

Acta Optica Sinica, Volume. 41, Issue 17, 1706004(2021)

Research on Precoding Optical Orthogonal Frequency Division Multiplexing System in Visible Light Communication

Kejun Jia^1、*, Shaobo Wei^1、**, Ying Lin¹, Juanjuan Chen¹, Minghua Cao¹, and Suoping Li²

Author Affiliations

¹School of Computer and Communication, Lanzhou University of Technology, Lanzhou, Gansu 730050, China

²School of Science, Lanzhou University of Technology, Lanzhou, Gansu 730050, China

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Figures & Tables(7)

Fig. 1. Principle of the precoding O-OFDM system

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Fig. 2. CCDF curves of different precoding schemes

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Fig. 3. BER of ACO-OFDM and DCO-OFDM systems versus $σ_{0}^{2}$ under LOS channel

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Fig. 4. BER variation curve of the system under the Ceiling-Bounce channel. (a) ACO-OFDM system; (b) DCO-OFDM system

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Fig. 5. Frequency domain response of the Ceiling-Bounce channel

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Fig. 6. BER curve of clipped amplitude O-OFDM system under LOS channel. (a) ACO-OFDM system; (b) DCO-OFDM system

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Table 1. Simulation parameters

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Table 1. Simulation parameters

Parameter	Value
Modulation bandwidth of OFDM symbol ${W_{BW}}_{}$ /MHz	50
Root-mean-square delay spread ${D_{RMS}}_{}$ /ns	8
Number of paths L	15
Minimum delay Δt /ns	0.75
Length of cyclic prefix N_g	16
Subcarrier number N	256
Unilateral power spectral density of Gaussian noise ${N_{0}}_{}$ /(A²·Hz^-1)	10^-21

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Kejun Jia, Shaobo Wei, Ying Lin, Juanjuan Chen, Minghua Cao, Suoping Li. Research on Precoding Optical Orthogonal Frequency Division Multiplexing System in Visible Light Communication[J]. Acta Optica Sinica, 2021, 41(17): 1706004

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Paper Information

Category: Fiber Optics and Optical Communications

Received: Dec. 28, 2020

Accepted: Mar. 31, 2021

Published Online: Sep. 3, 2021

The Author Email: Jia Kejun (kjjia@lut.edu.cn), Wei Shaobo (weishaobo321@163.com)

DOI:10.3788/AOS202141.1706004

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