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We report on non-adiabatic transport through a double quantum dot under irradiation of surface acoustic waves generated on-chip. At low excitation powers, absorption and emission of single and multiple phonons is observed. At higher power,…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 W. J. M. Naber , T. Fujisawa , H. W. Liu , W. G. van der Wiel

In vehicle-to-everything (V2X) applications, roadside units (RSUs) can be tasked with both sensing and communication functions to enable sensing-assisted communications. Recent studies have demonstrated that distance, angle, and velocity…

Signal Processing · Electrical Eng. & Systems 2025-01-30 Hasret Taha Akçalı , Özlem Tuğfe Demir , Tolga Girici , Emil Björnson

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

This paper comprehensively reviews recent advances in underwater acoustic signal denoising, an area critical for improving the reliability and clarity of underwater communication and monitoring systems. Despite significant progress in the…

Sound · Computer Science 2024-07-19 Ruobin Gao , Maohan Liang , Heng Dong , Xuewen Luo , P. N. Suganthan

This paper presents AquaSignal, a modular and scalable pipeline for preprocessing, denoising, classification, and novelty detection of underwater acoustic signals. Designed to operate effectively in noisy and dynamic marine environments,…

Sound · Computer Science 2025-05-21 Eirini Panteli , Paulo E. Santos , Nabil Humphrey

Achieving high throughput and reliability in underwater acoustic networks for transmitting distributed and large volume of data is a challenging task due to the bandwidth-limited and unpredictable nature of the acoustic channel. In a…

Signal Processing · Electrical Eng. & Systems 2019-04-23 Mehdi Rahmati , Roberto Petroccia , Dario Pompili

The South Pole Acoustic Test Setup (SPATS) has been built to evaluate the acoustic characteristics of the South Pole ice in the 10 to 100 kHz frequency range so that the feasibility and specific design of an acoustic neutrino detection…

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

This paper investigates the fair-effective communication and robustness in imperfect and energy-constrained underwater acoustic sensor networks (IC-UASNs). Specifically, we investigate the impact of unexpected node malfunctions on the…

Networking and Internet Architecture · Computer Science 2025-08-12 Yu Gou , Tong Zhang , Jun Liu , Tingting Yang , Shanshan Song , Jun-Hong Cui

6G technology offers a broader range of possibilities for communication systems to perform ubiquitous sensing tasks, including health monitoring, object recognition, and autonomous driving. Since even minor environmental changes can…

Information Theory · Computer Science 2025-04-10 Fei Shang , Haohua Du , Panlong Yang , Xin He , Jingjing Wang , Xiang-Yang Li

The NEMO (NEutrino Mediterranean Observatory) Collaboration installed, 25 km E offshore the port of Catania (Sicily) at 2000 m depth, an underwater laboratory to perform long-term tests of prototypes and new technologies for an underwater…

The AMADEUS system is an integral part of the ANTARES neutrino telescope in the Mediterranean Sea. The project aims at the investigation of techniques for acoustic neutrino detection in the deep sea. Installed at a depth of more than 2000m,…

Instrumentation and Methods for Astrophysics · Physics 2018-11-30 Robert Lahmann

We study two approaches to distributed compressed sensing for in-network data compression and signal reconstruction at a sink in a wireless sensor network where sensors are placed on a straight line. Communication to the sink is considered…

Information Theory · Computer Science 2015-04-01 Christopher Lindberg , Alexandre Graell i Amat , Henk Wymeersch

As integrated sensing and communication (ISAC) capabilities become more prevalent in the mobile 6G radio landscape, there is a substantial opportunity to enhance situational awareness across diverse applications through multi-static radar…

This paper presents DISC, a dataset of millimeter-wave channel impulse response measurements for integrated human activity sensing and communication. This is the first dataset collected with a software-defined radio testbed that transmits…

Signal Processing · Electrical Eng. & Systems 2025-02-13 Jacopo Pegoraro , Pablo Saucedo , Jesus Omar Lacruz , Michele Rossi , Joerg Widmer

The use of cylindrical elastic shells as elements in acoustic metamaterial devices is demonstrated through simulations and underwater measurements of a cylindrical-to-plane wave lens. Transformation acoustics (TA) of a circular region to a…

Classical Physics · Physics 2016-08-24 Alexey S. Titovich , Michael R. Haberman , Andrew N. Norris

We propose a new method to measure the system noise temperature, $T_{\rm sys}$, using a 2-bit analog-to-digital converter (ADC). The statistics of the digitized signal in a four-level quantization brings us information about the bias…

Instrumentation and Methods for Astrophysics · Physics 2015-05-19 Aki Nakatake , Seiji Kameno , Koji Takeda

The advent of acoustic metamaterials opened up a new frontier in the control of sound transmission. A key limitation, however, is that an acoustic metamaterial based on a single local resonator in the unit cell produces a restricted…

Applied Physics · Physics 2021-12-07 David Roca , Mahmoud I. Hussein

Underwater environment is substantially less explored territory as compared to earth surface due to lack of robust underwater communication infrastructure. For Internet of Underwater things connectivity, underwater wireless optical…

Signal Processing · Electrical Eng. & Systems 2024-04-02 Maaz Salman , Javad Bolboli , Wan-Young Chung

This paper presents the development and characterization of a fiber laser hydrophone designed for deep-sea applications, with a focus on detecting neutrino interactions via their acoustic signatures. The hydrophone design includes a static…

Instrumentation and Methods for Astrophysics · Physics 2025-04-08 E. J. Buis , A. M. von Benda-Beckmann , E. Doppenberg , J. Dorant , T. H. Jansen , P. Toet , P. Verhooren , J. de Vreugd
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