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This paper presents an analysis of the performance of a Gaussian optical beam as it propagates through the turbulent underwater optical channel (UWOC) under the weak turbulence regime, where optical signal experiences significant fading and…

Optics · Physics 2025-12-03 Shideh Tayebnaimi , Kamran Kiasaleh

Network densification is found to be a potential solution to meet 5G capacity standards. Network densification offers more capacity by shrinking base stations' (BSs) footprints, thus reduces the number of users served by each BS. However,…

Networking and Internet Architecture · Computer Science 2016-11-23 Rabe Arshad , Hesham ElSawy , Sameh Sorour , Tareq Y. Al-Naffouri , Mohamed Slim Alouini

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 the audio modality, state-of-the-art watermarking methods leverage deep neural networks to allow the embedding of human-imperceptible signatures in generated audio. The ideal is to embed signatures that can be detected with high accuracy…

Sound · Computer Science 2025-04-16 Patrick O'Reilly , Zeyu Jin , Jiaqi Su , Bryan Pardo

Gravitational wave denoising is an ongoing task for revealing the events of compact binary objects in the universe. Recently, with the aid of deep learning, gravitational waves have been efficiently and delicately extracted from the noisy…

General Relativity and Quantum Cosmology · Physics 2025-11-27 Yi-De Lee , Hwei-Jang Yo

Orthogonal time frequency space (OTFS) modulation is a 2-dimensional (2D) modulation scheme designed in the delay-Doppler domain, unlike traditional modulation schemes which are designed in the time-frequency domain. Through a series of 2D…

Information Theory · Computer Science 2018-02-06 K. R. Murali , A. Chockalingam

In Wang & Pan (J. Fluid Mech., vol. 918, A19, 2021), the authors developed the first ensemble-based data assimilation (DA) capability for the reconstruction and forecast of ocean surface waves, namely the EnKF-HOS method coupling an…

Fluid Dynamics · Physics 2022-10-12 Guangyao Wang , Jinfeng Zhang , Yuxiang Ma , Qinghe Zhang , Zhilin Li , Yulin Pan

We propose an adaptive denoising scheme for poorly modeled non-Gaussian features in the gravitational wave interferometric data. Preliminary tests on real data show encouraging results.

General Relativity and Quantum Cosmology · Physics 2009-10-31 E. Chassande-Mottin , S. Dhurandhar

One of the most promising approaches to overcome the uncertainty and dynamic channel variations of millimeter wave (mmW) communications is to deploy dual-mode base stations that integrate both mmW and microwave ($\mu$W) frequencies. In…

Information Theory · Computer Science 2017-09-06 Omid Semiari , Walid Saad , Mehdi Bennis , Behrouz Maham

Underwater Wireless Optical Communication is a key enabling technology for future space-air-ground-sea integrated networks. However, UOWC faces critical hurdles from spatial randomness and stringent energy constraints. These challenges…

Information Theory · Computer Science 2026-03-13 Qiyu Ma , Jiajie Xu , Mohamed-Slim Alouini

The synthesis of ultra-long lived acoustic phonons in a variety of materials and device geometries could enable a range of new coherent information processing and sensing technologies; many forms of phonon dissipation pose a barrier to this…

Quantum Physics · Physics 2016-02-29 R. O. Behunin , P. Kharel , W. H. Renninger , H. Shin , F. Carter , E. Kittlaus , P. T. Rakich

Energy harvesting converts ambient energy to electrical energy providing numerous opportunities to realize wireless sensors. Seismic exploration is a prime avenue to benefit from it as energy harvesting equipped geophones would relieve the…

Signal Processing · Electrical Eng. & Systems 2023-08-09 Naveed Iqbal , Mudassir Masood , Ali Nasir , Khurram Karim Qureshi

This paper presents a unified analytical framework for a two phase underwater wireless optical communication (UWOC) system that integrates Simultaneous Lightwave Information and Power Transfer (SLIPT) using a photovoltaic (PV) panel…

Numerical Analysis · Mathematics 2025-11-14 Shunyuan Shang , Ziyuan Shi , Mohamed-Slim Alouini

Passive acoustics can provide a variety of capabilities with applications in oceanographic research and maritime situational awareness. In this paper, we develop a method for the navigation of autonomous underwater vehicles (AUVs) in…

Signal Processing · Electrical Eng. & Systems 2023-06-13 Junsu Jang , Florian Meyer

Accurate underwater localization remains a challenge for inexpensive autonomous platforms that require highfrequency position updates. In this paper, we present a robust, low-cost localization pipeline for buoyancy-driven microFloats…

Robotics · Computer Science 2025-12-16 Murad Mehrab Abrar , Trevor W. Harrison

We consider quantum channel-estimation for depolarizing channels and phase-flip channels extended by ancilla qubits and fed with a GHZ or W state. After application of the channel one or several qubits can be lost, and we calculate the…

Quantum Physics · Physics 2017-03-21 Julien Mathieu Elias Fraïsse , Daniel Braun

Acousto-optical coherence tomography (AOCT) consists in using random phase jumps on ultrasound and light to achieve a millimeter resolution when imaging thick scattering media. We combined this technique with heterodyne off-axis digital…

We implement a real-time coherent transceiver with fast streaming outputs for environmental sensing. Continuous sensing using phase and equalizer outputs over 12800km of a submarine cable is demonstrated to enable time resolved spectroscopy…

The Low frequency analysis and recording (LOFAR) spectrum is one of the key features of the under water target, which can be used for underwater target recognition. However, the underwater environment noise is complicated and the…

Signal Processing · Electrical Eng. & Systems 2021-04-27 Jie Chen , Jie Liu , Chang Liu , Jian Zhang , Bing Han

Many different methods exist for reducing data obtained when an astronomical source is studied with a two-channel polarimeter, such as a Wollaston prism system. This paper presents a rigorous method of reducing the data from raw aperture…

Astrophysics · Physics 2007-05-23 G. Leyshon