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)
- Chinese Optics Letters
- Vol. 22, Issue 2, 020601 (2024)
Fig. 1. PDF histograms and scintillation index under the presence of air bubbles.
Fig. 2. Block diagram of a miniaturized real-time MIMO-UWOC diversity gain system based on FPGA.
Fig. 3. Results of real-time reception of f1 and f2 signals, diversity reception and merging, ZCD, and bit synchronization from SignalTap logic analyzer.
Fig. 4. (a) BER curves of MISO in three types of scintillation intensity turbulences; (b) BER curves of MIMO diversity reception in three scintillation intensity turbulences.
Fig. 5. Imaging PAM-4-MIMO-UWOC system based on FPGA.
Fig. 6. Imaging MIMO-UWOC system spatial multiplexing BER curve for (a) NRZ-OOK signal BER; (b) PAM-4 signal.
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Table 1. Typical MIMO-UWOC Systems and Their Parameters
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