On the Relationship Between the Underwater Acoustic and Optical Channels

被引:37
作者
Diamant, Roee [1 ]
Campagnaro, Filippo [2 ]
de Grazia, Michele de Filippo [3 ]
Casari, Paolo [4 ]
Testolin, Alberto [3 ]
Calzado, Violeta Sanjuan [5 ]
Zorzi, Michele [2 ]
机构
[1] Univ Haifa, Dept Marine Technol, IL-3498838 Haifa, Israel
[2] Univ Padua, Dept Informat Engn, I-35122 Padua, Italy
[3] Univ Padua, Dept Gen Psychol, I-35122 Padua, Italy
[4] IMDEA Networks Inst, Madrid 28918, Spain
[5] NATO Ctr Maritime Res & Experimentat, I-19126 La Spezia, Italy
关键词
Underwater acoustic communications; underwater optical communications; multimodal systems; support vector machine; machine learning; classification; prediction; sea experiment; NETWORKS; CLASSIFICATION; COMMUNICATION;
D O I
10.1109/TWC.2017.2756055
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Wireless transmissions in water are mostly carried out via long-range (but low-rate) underwater acoustic communications, or short-range (but high-rate) underwater optical communications. In this paper, we are interested in finding out whether a statistical relationship exists between underwater acoustics and optics. Besides the theoretical interest of such a relationship, predicting the quality of the optical link through acoustics is also relevant in the context of a multimodal system with both acoustics and optics. Our study is based on a large data set acquired during the NATO ALOMEX 2015 expedition. During this experiment, we simultaneously measured several characteristics of the acoustic and optical links at multiple locations, reflecting a diversity of sea environments. Our results show a strong correlation between the properties of the acoustic link and the reliability of optical communications. This correlation makes it possible to predict the state of the underwater optical link at a certain depth and range. Due to the complexity of the acoustic and optical channels, we could not find the source of this correlation. This paper is, therefore, aimed to stimulate a theoretical study of the mutual properties of underwater acoustic and optical communication links. For reproducibility, we share the processed data from the experiment.
引用
收藏
页码:8037 / 8051
页数:15
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