Study On Optical Communications, Volume. 51, Issue 4, 250172(2025)

Bit Error Rate Analysis of Underwater Photon-counting Communication System based on Joint Channel

Jingjing Lü, Qing SHI, Bingjie WANG*, and Li LIU
Author Affiliations
  • Key Laboratory of Advanced Transducers and Intelligent Control System, Ministry of Education, Taiyuan University of Technology, Taiyuan 030024, China
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    Figures & Tables(13)
    The block diagram of UPCC system
    Schematic diagram of light beam propagation through underwater joint channel
    Flowchart of the MC simulation of underwater joint channel
    Comparison of normalized channel gain results of MC and binomial exponential function fitting for different types of water and different turbulence intensities
    BER curves for different turbulence intensities in pure seawater
    BER curves for different turbulence intensities in clean seawater
    BER curves for different turbulence intensities in coastal seawater
    BER curves for different turbulence intensities in harbor seawater
    • Table 1. Absorption, scattering, and attenuation coefficients of four different types of water

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      Table 1. Absorption, scattering, and attenuation coefficients of four different types of water

      水质类型吸收系数/m-1散射系数/m-1衰减系数/m-1
      纯净海水0.040 50.002 50.043
      干净海水0.114 00.037 00.151
      沿岸海水0.179 00.219 00.398
      港口海水0.366 01.824 02.190
    • Table 2. Parameter values of turbulence and impact on the intensity level

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      Table 2. Parameter values of turbulence and impact on the intensity level

      湍流参数符号湍流强弱取值范围
      湍流动能耗散率/m2 s-3ε10-10~10-1
      均方温度耗散率/k2 s-1χT10-4~10-10
      Kolmogorov微尺度/mη6×10-5~0.01
      温度梯度和盐度梯度的比值ω-5~0
    • Table 3. Parameter values of strong and weak turbulence

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      Table 3. Parameter values of strong and weak turbulence

      湍流类型ε/m2 s-3χT/k2 s-1ωη/m
      强湍流10-510-7-2.510-3
      弱湍流10-710-5-0.510-3
    • Table 4. Parameters for different types of water and different types of turbulence

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      Table 4. Parameters for different types of water and different types of turbulence

      水质类型湍流强度a1c1a2c2
      纯净海水-0.002 700.562 201.002 900.042 80
      -0.084 105.362 801.084 100.061 70
      0.533 860.106 610.533 800.106 62
      干净海水-0.091 400.504 801.091 300.147 40
      1.411 400.149 40-0.400 300.147 00
      0.508 400.169 100.508 400.169 10
      沿岸海水0.095 200.345 600.905 100.292 80
      -4.025 500.294 205.026 700.294 60
      2.398 100.298 50-1.395 600.292 50
      港口海水0.509 450.795 840.509 460.795 80
      0.509 390.795 340.509 410.795 31
      0.501 380.859 240.501 370.859 24
    • Table 5. System parameter values

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      Table 5. System parameter values

       参数符号取值
      发射机参数比特率Mbit/sRb1
      发散角/mradθ2.25
      波束宽度/mmω5
      光子追踪样本量/个/107
      仿真实验重复次数/次/10
      数据传输速率/Mbit/sP01
      平均发射功率/WPb1
      发射光学系统的透光率ηt0.8
      接收机参数光子探测效率CP0.35
      接收机孔径/mD0.5
      接收机视场角/°FOV180
      暗计数率/光子/次Nb50
      接收光学系统的透光率ηr0.7
      信道参数水质类型/纯净、干净、沿岸、港口海水
      湍流强度/无、弱、强湍流
      仿真实验重复次数/次/10
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    Jingjing Lü, Qing SHI, Bingjie WANG, Li LIU. Bit Error Rate Analysis of Underwater Photon-counting Communication System based on Joint Channel[J]. Study On Optical Communications, 2025, 51(4): 250172

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    Paper Information

    Category:

    Received: May. 19, 2025

    Accepted: --

    Published Online: Sep. 8, 2025

    The Author Email: Bingjie WANG (wangbingjie@tyut.edu.cn)

    DOI:10.13756/j.gtxyj.2025.250172

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