MIMO Underwater Acoustic Communication in Shallow Water with Ice Cover

作     者：HAN Xiao YIN Jing-wei LIU Bing GUO Long-xiang 

作者机构：Acoustic Science and Technology LaboratoryHarbin Engineering University Key Laboratory of Marine Information Acquisition and Security (Harbin Engineering University)Ministry of Industry and Information Technology College of Underwater Acoustic EngineeringHarbin Engineering University 

出 版 物：《China Ocean Engineering》 (中国海洋工程（英文版）)

年 卷 期：2019年第33卷第2期

页      面：237-244页

核心收录：

学科分类：07[理学] 

基　　金：financially supported by the National Natural Science Foundation of China(Grant Nos.61631008,61471137,and 50509059) the Fundamental Research Funds for the Central Universities(Grant No.HEUCFM180503) the Marine Nonprofit Industry Research Subject(Grant No.2013M531015) 

主　　题：underwater acoustic communication MIMO shallow water ice cover 

摘      要：Although multiple-input multiple-output(MIMO) underwater acoustic(UWA) communication has been intensively investigated in the past years, existing works mainly focus on open-water environment. There is no work reporting MIMO acoustic communication in under-ice environment. This paper presents results from a recent MIMO acoustic communication experiment which was conducted in Bohai Gulf during winter. In this experiment, high frequency MIMO signals centered at 10 kHz were transmitted from a two-element source array to a four-element vertical receiving array at 1 km range. According to the received signal of different array elements, MIMO acoustic communication in under-ice environment suffers less effect from co-channel interference compared with that in open-water environment. In this paper, time reversal followed by a single channel decision feedback equalizer is used to process the experimental data. It is demonstrated that this simple receiver is capable of realizing robust performance using fewer hydrophones(i.e. 2) without the explicit use of complex co-channel interference cancelation algorithms, such as parallel interference cancelation or serial interference cancelation.