Error Performance Analysis of Serial-relayed Underwater Wireless Optical Communication Systems over Generalized Gamma Distribution Weak Turbulence Environment with Pointing Error

Yixu WANG; Yueheng LI; Ping HUANG; Meiyan JU

doi:10.3788/gzxb20245302.0206002

Acta Photonica Sinica, Volume. 53, Issue 2, 0206002(2024)

Error Performance Analysis of Serial-relayed Underwater Wireless Optical Communication Systems over Generalized Gamma Distribution Weak Turbulence Environment with Pointing Error

Yixu WANG, Yueheng LI^*, Ping HUANG, and Meiyan JU

Author Affiliations

School of Computer and Information，Hohai University，Nanjing 211100，China

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Fig. 1. Schematic diagram of serial-relayed UWOC systems

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Fig. 2. FFIRs of laser-based collimated and diffusive UWOC links in coastal waters

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Fig. 3. The theoretical and simulated BER values of the serial-relayed UWOC systems varying with the average transmission power per bit under different node numbers（ $σ_{s} = 10 c m, R_{b} = 2 G b p s, r = 10 c m, σ_{I}^{2} = 0.107 4$ ）

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Fig. 4. The theoretical and simulated BER values of the serial-relayed UWOC systems varying with the average transmission power per bit under different node numbers（ $σ_{s} = 20 c m, R_{b} = 2 G b p s, r = 10 c m, σ_{I}^{2} = 0.107 4$ ）

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Fig. 5. The theoretical and simulated BER values of the serial-relayed UWOC systems varying with the average transmission power per bit under different node numbers（ $σ_{s} = 2 c m, R_{b} = 2 G b p s, s = 5 c m, σ_{I}^{2} = 0.3$ ）

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Fig. 6. The theoretical and simulated BER values of the serial-relayed UWOC systems varying with the average transmission power per bit under different node numbers（ $σ_{s} = 7 c m, R_{b} = 2 G b p s, s = 5 c m, σ_{I}^{2} = 0.3$ ）

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Fig. 7. The theoretical and simulated BER values of the serial-relayed UWOC systems varying with the average transmission power per bit under different node numbers（ $σ_{s} = 7 c m, R_{b} = 2 G b p s, s = 10 c m, σ_{I}^{2} = 0.3$ ）

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Table 1. Main parameters for numerical simulation of FFIR and system BER^{［14，26-27］}

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Table 1. Main parameters for numerical simulation of FFIR and system BER^{［14，26-27］}

Coefficient	Symbol	Value
Transmission rate	$R_{b}$	$2 G b p s$
Half divergence angle for laser beam	$θ_{l a s e r}^{d i v}$	$0.01 ° / 3 °$
Source wavelength	$λ$	$532 n m$
Asymmetric factor of HG model	$g$	$0.924$
Receiver half angle	$θ_{F O V}$	$40 °$
Laser beam waist radius	$W_{r}$	$3 m m$
Total number of transmitted photons	$N_{t}$	$10^{9}$
Aperture diameter	$D_{0}$	$20 c m$
Photon weight survival threshold	$W_{t h}$	$10^{- 4}$
Quantum efficiency	$η$	$0.8$
Electron charge	$q$	$1.6 \times 10^{- 19}$
Planck constant	$h$	$6.626 \times 10^{- 34}$
Underwater speed of light	$c_{0}$	$2.26 \times 10^{8}$
Boltzmann constant	$K$	$1.38 \times 10^{- 23} J / K$
Equivalent temperature	$T$	$290 K$
Filter bandwidth	$B$	10 GHz
Load resistance	$R_{L}$	$100 Ω$
Transmission distance	$Z$	$11.25 / 15 / 22.5 / 45 m$
Scintillation index	$σ_{I}^{2}$	$0.1074 / 0.3$
GGD model shape parameters	$c$	$3$
Absorption and scattering coefficients （coastal waters）	$(a^{'}, b^{'})$	$(0.179,0.219) m^{- 1}$

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Yixu WANG, Yueheng LI, Ping HUANG, Meiyan JU. Error Performance Analysis of Serial-relayed Underwater Wireless Optical Communication Systems over Generalized Gamma Distribution Weak Turbulence Environment with Pointing Error[J]. Acta Photonica Sinica, 2024, 53(2): 0206002

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Paper Information

Category: Fiber Optics and Optical Communications

Received: Jul. 3, 2023

Accepted: Sep. 8, 2023

Published Online: Mar. 28, 2024

The Author Email: LI Yueheng (yueheng_li@hhu.edu.cn)

DOI:10.3788/gzxb20245302.0206002

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Main parameters for numerical simulation of FFIR and system BER［14，26-27］

Table 1. Main parameters for numerical simulation of FFIR and system BER［14，26-27］

Table 1. Main parameters for numerical simulation of FFIR and system BER^{［14，26-27］}

Table 1. Main parameters for numerical simulation of FFIR and system BER^{［14，26-27］}