水声通信信道估计技术的研究进展  

Advances in Channel Estimation for Underwater Acoustic Communications

作　　者：刘金荣[1] 冷相文[2] 姬庆 王志林 胡云峰 LIU Jinrong;LENG Xiangwen;JI Qing;WANG Zhilin;HU Yunfeng(China Academic of Electronics and Information Technology,Beijing 100041,China;Department of Underwater Weaponry and Chemical Defense,Dalian Naval Academy,Dalian 116013,China;School of Weaponry Engineering,Naval University of Engineering,Wuhan 430033,China;Unit 92941 of PLA,Huludao 125001,China;Key Laboratory of Underwater Acoustic Signal Processing of the Ministry of Education,Southeast University,Nanjing 210096,China)

机构地区：[1]中国电子科学研究院,北京100041 [2]海军大连舰艇学院水武与防化系,辽宁大连116013 [3]海军工程大学兵器工程学院,武汉430033 [4]中国人民解放军92941部队,辽宁葫芦岛125001 [5]东南大学水声信号处理教育部重点实验室,南京210096

出　　处：《电讯技术》2024年第12期2081-2090,共10页Telecommunication Engineering

基　　金：国家自然科学基金资助项目(U20B2039)。

摘　　要：水声信道估计是水声通信的关键技术,其估计性能直接影响通信系统的可靠性和传输速率。介绍了水声通信技术发展的不同阶段、水声信道相关特性以及其对水声通信系统的影响,对现有的水声信道估计技术进行分类,讨论了各自的优势与不足,最后分析了水声信道估计技术面临的问题并提出了解决思路。Underwater acoustic(UWA)channel estimation is a key technology for UWA communications,as its performance directly affects the reliability and transmission rate of the communication system.The authors introduce the development of UWA communication technology,the characteristics of UWA channels and their influence on the UWA communication system,classify existing estimation methods,discuss their advantages and disadvantages,and finally analyze open problems and propose potential research directions.

关 键 词：水声通信 信道估计 压缩感知 动态压缩感知 自适应滤波 贝叶斯推断 

分 类 号：TN911.5[电子电信—通信与信息系统]