水下无线光通信链路构成与性能优化进展  

Link structure of underwater wireless optical communication and progress on performance optimization

作　　者：张雨凡 李鑫[1,2] 吕伟超 陈家旺[2] 郑旻辉 徐敬 Zhang Yufan;Li Xin;Lv Weichao;Chen Jiawang;Zheng Minhui;Xu Jing(Optical Communications Laboratory,Ocean College,Zhejiang University,Zhoushan,Zhejiang 316021,China;Key Laboratory of Ocean Observation-Imaging Testbed of Zhejiang Province,Ocean College,Zhejiang University,Zhoushan,Zhejiang 316021,China;Second Institute of Oceanography,Ministry of Natural Resources,Hangzhou,Zhejiang 310012,China)

机构地区：[1]浙江大学海洋学院光通信实验室,浙江舟山316021 [2]海洋观测成像试验区浙江省重点实验室,浙江舟山316021 [3]自然资源部第二海洋研究所,浙江杭州310012

出　　处：《光电工程》2020年第9期1-11,共11页Opto-Electronic Engineering

基　　金：国家重点研发计划资助项目(2016YFC0302403);中国科学院战略性先导科技专项(A类)(XDA22030208)。

摘　　要：水下无线光通信(UWOC)可为水下平台提供高速灵活的通信选择。本文介绍了UWOC的基本链路构成,并指出UWOC系统的优化方案。吸收、散射和湍流都会影响UWOC的性能,深入研究信道特性可以指导发射器、接收器和相关信号处理技术的设计。UWOC性能还能够通过复用技术、单光子探测技术和对准系统等进行优化。功能全面的测试平台可以为UWOC系统提供必要的测试环境,为海试与工业化应用奠定基础。本文期望能为UWOC相关研究者带来帮助。Underwater wireless optical communication(UWOC)can provide a high-speed and flexible communication link for underwater platforms.This paper introduces the basic structure of a UWOC link and points out the optimization schemes for a UWOC system.Absorption,scattering,and turbulence will affect the performance of a UWOC system.A comprehensive study of channel characteristics can guide the design of transmitters,receivers,and related signal processing technologies.The performance of UWOC can also be optimized by multiplexing technologies,single-photon detection technologies,and alignment systems.A comprehensive test platform could provide a necessary test environment for further sea trials and the practical applications of UWOC.The paper is expected to serve as a guideline for researchers related to UWOC.

关 键 词：UWOC 信道建模 光复用技术 单光子探测 对准 

分 类 号：TN929.1[电子电信—通信与信息系统]