首页 | 本学科首页   官方微博 | 高级检索  
     

多载波水声信道估计技术及其研究进展
引用本文:宁小玲,刘忠,张林森.多载波水声信道估计技术及其研究进展[J].声学技术,2012,31(1):77-81.
作者姓名:宁小玲  刘忠  张林森
作者单位:1. 海军工程大学电子工程学院,武汉,430033
2. 海军工程大学兵器工程系,武汉,430033
基金项目:国防预研基金项目; 2011年海军工程大学博士研究生创新基金项目(HGBSJJ2011006)
摘    要:简述了水声信道与正交频分复用(Orthogonal Frequency Division Multiplexing,OFDM)系统之间的必然联系,概述了基于导频符号的信道估计算法、自适应信道估计算法、子空间信道估计算法以及压缩感知稀疏信道估计方法在水声通信中的应用现状,总结了各种算法的特点,比较了各种算法的优缺点,并指出了未来水声信道估计的发展方向。

关 键 词:正交频分复用  水声信道  导频符号  最小二乘(LS)估计  自适应估计  子空间估计  压缩感知
收稿时间:2011/7/25 0:00:00
修稿时间:2011/9/6 0:00:00

Advances in channel estimation for multicarrier underwater acoustic communication
NING Xiao-ling,LIU Zhong and ZHANG Lin-sen.Advances in channel estimation for multicarrier underwater acoustic communication[J].Technical Acoustics,2012,31(1):77-81.
Authors:NING Xiao-ling  LIU Zhong and ZHANG Lin-sen
Affiliation:1.Electronics Engineering College,Naval University of Engineering,Wuhan 430033,China; 2.Department of Weaponary Engineering,Naval University of Engineering,Wuhan 430033,China)
Abstract:The positive connection between underwater acoustic channel and OFDM system is briefly introduced in this paper,and then the pilot-based channel estimation algorithms,adaptive channel estimation methods,subspace channel estimation algorithms and compressive sensing estimation algorithms in sparse channel are summarized.The characteristics of the above mentioned methods are generalized,and the advantages and disadvantages of various algorithms are compared.Finally,the development direction of underwater acoustic channel estimation in the future is pointed out.
Keywords:orthogonal frequency division multiplexing(OFDM)  underwater acoustic channel  pilot signals  least square(LS) estimation  adaptive estimation  sub-space estimation  compressive sensing
本文献已被 CNKI 维普 万方数据 等数据库收录!
点击此处可从《声学技术》浏览原始摘要信息
点击此处可从《声学技术》下载全文
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号