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Laser & Optoelectronics Progress, Volume. 56, Issue 22, 220102(2019)

Adaptive Bit Loading of Underwater Visible-Light Pixelated Multiple-Input and Multiple-Output Systems

Yadi Chen1,2, Jielin Fu1,2, Yanlong Li1,2,3、*, and Jiming Lin1
Author Affiliations
  • 1School of Information and Communication, Guilin University of Electronic Technology, Guilin, Guangxi 541004, China
  • 2Key Laboratory of Cognitive Radio and Information Processing, Ministry of Education, Guilin University of Electronic Technology, Guilin, Guangxi 541004, China
  • 3National Demonstration Center for Experimental Electronic Circuit Education, Guilin University of Electronic Technology, Guilin, Guangxi 541004, China
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    Block diagram of underwater visible-light pixelated MIMO system

    Fig. 1. Block diagram of underwater visible-light pixelated MIMO system

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    Data transmission frame of SACO-OFDM

    Fig. 2. Data transmission frame of SACO-OFDM

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    Performance comparison of BERs of pixelated MIMO-SACO-OFDM under different modulation orders

    Fig. 3. Performance comparison of BERs of pixelated MIMO-SACO-OFDM under different modulation orders

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    Channel gain and number of bit allocation of each subcarrier in pixelated MIMO-OFDM system. (a) Channel gain; (b) number of bit allocation

    Fig. 4. Channel gain and number of bit allocation of each subcarrier in pixelated MIMO-OFDM system. (a) Channel gain; (b) number of bit allocation

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    Relationship between transmission rate and SNR for equal bit allocation OFDM and adaptive OFDM pixelated MIMO system

    Fig. 5. Relationship between transmission rate and SNR for equal bit allocation OFDM and adaptive OFDM pixelated MIMO system

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    Relationship between BER and SNR for equal bit allocation OFDM and adaptive OFDM systems

    Fig. 6. Relationship between BER and SNR for equal bit allocation OFDM and adaptive OFDM systems

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    Yadi Chen, Jielin Fu, Yanlong Li, Jiming Lin. Adaptive Bit Loading of Underwater Visible-Light Pixelated Multiple-Input and Multiple-Output Systems[J]. Laser & Optoelectronics Progress, 2019, 56(22): 220102

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    Paper Information

    Category: Atmospheric Optics and Oceanic Optics

    Received: Apr. 2, 2019

    Accepted: May. 17, 2019

    Published Online: Nov. 2, 2019

    The Author Email: Yanlong Li (lylong@guet.edu.cn)

    DOI:10.3788/LOP56.220102

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology