Influence Analysis of Pointing-Jitter Error on Performance of Wireless Optical Communication Systems in Underwater Turbulent Channels

Yi Yang; Zhanwang Min; Xinyu Yao; Yuang Dou; Xiaofen Qiu; Jianlei Zhang; Fengtao He

doi:10.3788/AOS231295

Acta Optica Sinica, Volume. 44, Issue 12, 1201005(2024)

Influence Analysis of Pointing-Jitter Error on Performance of Wireless Optical Communication Systems in Underwater Turbulent Channels

Yi Yang, Zhanwang Min^*, Xinyu Yao, Yuang Dou, Xiaofen Qiu, Jianlei Zhang, and Fengtao He

Author Affiliations

School of Electronic Engineering, Xi'an University of Posts & Telecommunications,Xi'an 710121, Shaanxi, China

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Figures & Tables(13)

Fig. 1. UWOC transmission model

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Fig. 2. Underwater communication transmission pointing error model

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Fig. 3. Schematic diagram of position angle

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Fig. 4. Schematic diagram of jitter error on receiving surface

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Fig. 5. Gaussian beam scintillation index changes with transmission distance

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Fig. 6. Gaussian beam scintillation index with different aperture sizes change curves with transmission distance

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Fig. 7. Relationship among pointing error, turbulence and system bit error rate

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Fig. 8. Relationship among pointing error, receiving aperture and system bit error rate

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Fig. 9. Relationship among composite channel and system bit error rate

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Fig. 10. Relationship among pointing-jitter error, turbulence and system bit error rate

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Fig. 11. Relationship between system bit error rate and receiving aperture. (a) Relationship between system bit error rate and receiving aperture under turbulence; (b) relationship between system bit error rate and receiving aperture under pointing error position; (c) relationship between system bit error rate and receiving aperture under pointing error angle; (d) relationship between system bit error rate and receiving aperture under jitter error

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Table 1. Seawater attenuation coefficient
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Table 1. Seawater attenuation coefficient
Water quality $a' (λ)$ $b' (λ)$ $c' (λ)$
Clean seawater 0.114 0.037 0.151
Nearshore seawater 0.179 0.219 0.398

Table 2. Numerical simulation parameters
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Table 2. Numerical simulation parameters
Parameter Value Parameter Value
$λ / n m$ 532 $P_{P r, S}$ 700
$c' (λ) / m^{- 1}$ 0.151 $P_{P r, T}$ 7
$a / m$ 0.05 $P_{P r, T S}$ 13.86
$μ_{x}, μ_{y}$ 0 $η$ 10^-3
$C_{T}$ 2.18 $χ_{T} / (K^{2} / s^{3})$ 1×10^-7
$C_{S}$ 2.22 $ε / (m^{2} / s^{3})$ 1×10^-5
$C_{T S}$ 2.21 $α / {(°)}^{- 1}$ 2.56×10^-4
$ω_{z} / a$ 2 $F_{0}$ $\infty$

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Yi Yang, Zhanwang Min, Xinyu Yao, Yuang Dou, Xiaofen Qiu, Jianlei Zhang, Fengtao He. Influence Analysis of Pointing-Jitter Error on Performance of Wireless Optical Communication Systems in Underwater Turbulent Channels[J]. Acta Optica Sinica, 2024, 44(12): 1201005

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