Modeling of Multipath Channel and Performance Analysis of MIMO-DCO-OFDM System in Visible Light Communications

JIA Kejun; HAO Li

doi:10.1049/cje.2019.03.010

Volume 28 Issue 3

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JIA Kejun and HAO Li, “Modeling of Multipath Channel and Performance Analysis of MIMO-DCO-OFDM System in Visible Light Communications,” Chinese Journal of Electronics, vol. 28, no. 3, pp. 630-639, 2019, doi: 10.1049/cje.2019.03.010

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JIA Kejun and HAO Li, “Modeling of Multipath Channel and Performance Analysis of MIMO-DCO-OFDM System in Visible Light Communications,” Chinese Journal of Electronics, vol. 28, no. 3, pp. 630-639, 2019, doi: 10.1049/cje.2019.03.010

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Modeling of Multipath Channel and Performance Analysis of MIMO-DCO-OFDM System in Visible Light Communications

doi: 10.1049/cje.2019.03.010

JIA Kejun^1,2,
HAO Li¹

1.
Key Laboratory of Information Coding and Transmission, Southwest Jiaotong University, Chengdu 610031, China;
2.
School of Computer and Communication, Lanzhou University of Technology, Lanzhou 730050, China

Funds: This work is supported by the National Natural Science Foundation of China (No.61461026).

Received Date: 2017-07-07
Publish Date: 2019-05-10

Abstract

Abstract

When a big path difference exists between the multiple transmitter-receiver links, time dispersion is inevitable. A multipath channel model is proposed for Multiple-input multiple-output (MIMO) Visible light communications (VLC). To combat Intersymbol interference (ISI) as well as increase the channel capacity, a combination of MIMO and Direct-currentbiased Optical orthogonal frequency division multiplexing (DCO-OFDM) is studied. The performance analysis of MIMO-DCO-OFDM taking into account the limitation of the forward current of the off-the-shelf LED is derived. The accuracy of the theoretical results is verified by comparison with the Monte Carlo Bit error ratio (BER) simulation results under different DC bias and different clipping levels.
- Visible light communication (VLC),
- Multiple input multiple output (MIMO),
- DC-biased optical OFDM,
- Multipath channel model,
- Clipping noise

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References(25)

References

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