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Acoustic propagation models are widely used in numerous oceanic and other underwater applications. Most conventional models are approximate solutions of the acoustic wave equation, and require accurate environmental knowledge to be…

Sound · Computer Science 2023-08-25 Kexin Li , Mandar Chitre

Transmit beamforming for underwater acoustic communication is challenging because it requires perfect knowledge of the channel to the receiver in advance. In practice, channel estimates must be learned through feedback and are often noisy…

Signal Processing · Electrical Eng. & Systems 2026-05-15 Diego A. Cuji , Andrew C. Singer , Milica Stojanovic

Underwater vehicles are utilized in various applications including underwater data-collection missions. The tethered connection constrains the mission both in distance traveled and number of vehicles that can run in the same area, while the…

Signal Processing · Electrical Eng. & Systems 2019-11-12 Mehdi Rahmati , Archana Arjula , Dario Pompili

This paper will focus on the energy efficiency issue in Underwater Wireless Sensor Networks. In underwater environment, the two main issues are namely: reliability and energy efficiency. These two issues are twisted pair. Reliability…

Networking and Internet Architecture · Computer Science 2013-10-11 S. Pavan Kumar Reddy , Y. Ganesh Kumar Reddy , K. Chandra Mouli , U. Seshadri

Underwater acoustic target recognition is a challenging task owing to the intricate underwater environments and limited data availability. Insufficient data can hinder the ability of recognition systems to support complex modeling, thus…

Sound · Computer Science 2024-05-01 Ji Xu , Yuan Xie , Wenchao Wang

Underwater acoustic (UWA) communications have been widely used but greatly impaired due to the complicated nature of the underwater environment. In order to improve UWA communications, modeling and understanding the UWA channel is…

Signal Processing · Electrical Eng. & Systems 2022-05-31 Oluwaseyi Onasami , Ming Feng , Hao Xu , Mulugeta Haile , Lijun Qian

Time reversal of waves has been successfully used in communications, sensing and imaging for decades. The application in underwater acoustic communications is of our special interest, as it puts together a reversible process (allowing a…

Cellular Automata and Lattice Gases · Physics 2018-06-13 Harun Siljak

We make the case for the systematic, reliable preservation of event-wise data, derived data products, and executable analysis code. This preservation enables the analyses' long-term future reuse, in order to maximise the scientific impact…

With the recent increase in the number of underwater activities, having effective underwater communication systems has become increasingly important. Underwater acoustic communication has been widely used but greatly impaired due to the…

Signal Processing · Electrical Eng. & Systems 2022-01-26 Oluwaseyi Onasami , Damilola Adesina , Lijun Qian

Shallow seawaters are problematic for acoustic and optical communications. Sensor networks based on electromagnetic (EM) communications are evaluated in this environment. In order to characterize the subaquatic channel, several measurement…

Efficiently receiving underwater sound remotely from air is a long-standing challenge in acoustics hindered by the large impedance mismatch at the water-air interface. Here we introduce and experimentally demonstrate a technique for remote…

Applied Physics · Physics 2022-08-30 Jing-jing Liu , Zheng-wei Li , Bin Liang , Jian-chun Cheng , Andrea Alu

Since its inception, underwater digital acoustic communication has required custom hardware that neither has the economies of scale nor is pervasive. We present the first acoustic system that brings underwater messaging capabilities to…

Networking and Internet Architecture · Computer Science 2022-08-24 Tuochao Chen , Justin Chan , Shyamnath Gollakota

In materials sciences, a large amount of research data is generated through a broad spectrum of different experiments. As of today, experimental research data including meta-data in materials science is often stored decentralized by the…

Databases · Computer Science 2015-01-07 Thorsten Wuest , Rainer Tinscher , Robert Porzel , Klaus-Dieter Thoben

This paper presents a novel deep learning approach for analyzing massive underwater acoustic data by leveraging a model trained on a broad spectrum of non-underwater (aerial) sounds. Recognizing the challenge in labeling vast amounts of…

Sound · Computer Science 2024-02-22 Jeongsoo Park , Dong-Gyun Han , Hyoung Sul La , Sangmin Lee , Yoonchang Han , Eun-Jin Yang

The vast volume of marine wireless sampling data and its continuously explosive growth herald the coming of the era of marine wireless big data. Two challenges imposed by these data are how to fast, reliably, and sustainably deliver them in…

Information Theory · Computer Science 2018-04-05 Yuzhou Li , Yu Zhang , Wei Li , Tao Jiang

Existing private synthetic data generation algorithms are agnostic to downstream tasks. However, end users may have specific requirements that the synthetic data must satisfy. Failure to meet these requirements could significantly reduce…

Machine Learning · Computer Science 2023-10-20 Hao Wang , Shivchander Sudalairaj , John Henning , Kristjan Greenewald , Akash Srivastava

Meta-analysis is routinely performed in many scientific disciplines. This analysis is attractive since discoveries are possible even when all the individual studies are underpowered. However, the meta-analytic discoveries may be entirely…

Methodology · Statistics 2023-05-09 Marina Bogomolov , Ruth Heller

In this paper, we study the underwater acoustic localization in the presence of environmental mismatch. Especially, we exploit a pre-trained neural network for the acoustic wave propagation in a gradient-based optimization framework to…

Sound · Computer Science 2025-04-01 Dariush Kari , Yongjie Zhuang , Andrew C. Singer

This article explores the potential of underwater acoustic reconfigurable intelligent surfaces (UA-RIS) for facilitating long-range and eco-friendly communication in marine environments. Unlike radio frequency-based RIS (RF-RIS), which have…

Signal Processing · Electrical Eng. & Systems 2025-07-08 Yu Luo , Lina Pu , Junming Diao , Chun-Hung Liu , Aijun Song

Underwater imagery has enabled numerous civilian applications in various domains, ranging from academia to industry, and from industrial surveillance and maintenance to environmental protection and behavior of marine creatures studies. The…

Signal Processing · Electrical Eng. & Systems 2019-10-22 Mehdi Rahmati , Dario Pompili
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