Study on performance of a relay-assisted UWOC system based on adaptive optics

被引:1
|
作者
Zhang, Jianlei [1 ]
Li, Jieyu [1 ]
He, Hanyu [1 ]
He, Guanping [2 ]
Yang, Yi [1 ]
He, Fengtao [1 ]
机构
[1] Xian Univ Posts & Telecommun, Sch Elect Engn, Xian 710121, Peoples R China
[2] Xian Precis Machinery Res Inst, Xian 710077, Peoples R China
关键词
SPATIAL DIVERSITY; ERROR; INDEX; BEAM;
D O I
10.1364/JOSAA.497240
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
To improve the performance of underwater wireless optical communication (UWOC) systems, we propose a relay-assisted UWOC system model based on adaptive optics (AO). The closed expressions of the scintillation index, composite channel probability density function, and outage probability of the Gaussian beam before and after AO compensation are derived using the extended Rytov theory and Meijer G-function. The performance variation of an UWOC system with different parameters is analyzed by simulation. The results show that AO correction can compensate for the distorted wavefront and significantly reduce the intensity fluctuation at the receiving end. The proposed system can efficiently alleviate channel fading, improving the outage probability performance of the UWOC system. (c) 2023 Optica Publishing Group
引用
收藏
页码:2187 / 2196
页数:10
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