Chinese Optics Letters, Volume. 22, Issue 2, 020601(2024)

Real-time UWOC miniaturized system based on FPGA and LED arrays and its application in MIMO

An Huang... Hongxi Yin*, Yanjun Liang, Jianying Wang and Zhongwei Shen |Show fewer author(s)
Author Affiliations
  • School of Information and Communication Engineering, Dalian University of Technology, Dalian 116024, China
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    Figures & Tables(7)
    PDF histograms and scintillation index under the presence of air bubbles.
    Block diagram of a miniaturized real-time MIMO-UWOC diversity gain system based on FPGA.
    Results of real-time reception of f1 and f2 signals, diversity reception and merging, ZCD, and bit synchronization from SignalTap logic analyzer.
    (a) BER curves of MISO in three types of scintillation intensity turbulences; (b) BER curves of MIMO diversity reception in three scintillation intensity turbulences.
    Imaging PAM-4-MIMO-UWOC system based on FPGA.
    Imaging MIMO-UWOC system spatial multiplexing BER curve for (a) NRZ-OOK signal BER; (b) PAM-4 signal.
    • Table 1. Typical MIMO-UWOC Systems and Their Parameters

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      Table 1. Typical MIMO-UWOC Systems and Their Parameters

      Light Source/PhotodetectorModulation ModeData Rate/Link LengthMIMO SchemesMethodsRef., Year
      LED/APDOOK/30 m1 × 5 SIMOTheoretical[16], 2015
      LED/SiPMOOK3 Mbps/60 mM × 8 MIMOTheoretical[17], 2017
      LED/PDOOK/3.66 m7 × 7 MIMOAWG/HS-SO[18], 2012
      LED/PINQAM1.8 Gbps/1.2 m1 × 4 SIMOAWG/HS-SO[19], 2019
      LD/MPPCNRZ-OOK16 Mbps/50 m1 × 2 SIMOAWG/HS-SO[20], 2020
      LED/SiPMNRZ-OOK1 Mbps/10 m6 × 3 MIMOAWG/HS-SO[11], 2022
      LD/PMTOOK50 Mbps/233 m2 × 2 MIMOAWG/HS-SO[21], 2022
      LED/APDNRZ-OOK, PAM-480 Mbps/12 m, 100 Mbps/12 m2 × 2 MIMOFPGA (real time)This work
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    An Huang, Hongxi Yin, Yanjun Liang, Jianying Wang, Zhongwei Shen, "Real-time UWOC miniaturized system based on FPGA and LED arrays and its application in MIMO," Chin. Opt. Lett. 22, 020601 (2024)

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: Aug. 5, 2023

    Accepted: Sep. 20, 2023

    Posted: Sep. 21, 2023

    Published Online: Feb. 23, 2024

    The Author Email: Hongxi Yin (hxyin@dlut.edu.cn)

    DOI:10.3788/COL202422.020601

    CSTR:32184.14.COL202422.020601

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