Results 61 to 70 of about 244,156 (306)

A Heterogeneous Robotic Swarm for Long-Term Monitoring of Marine Environments

Applied Sciences, 2019
This paper describes an underwater acoustic sensor network consisting of a heterogeneous robotic swarm used for long-term monitoring of underwater environments. The swarm consists of a large number of underwater robots acting as sensor nodes with limited
Ivan Lončar, Anja Babić, Barbara Arbanas, Goran Vasiljević, Tamara Petrović, Stjepan Bogdan, Nikola Mišković   +6 more
doaj   +1 more source

Soft Ionic and Electronic Triboelectric Nanogenerators: Toward Attachable and Implantable Biomedical Applications

Advanced Materials, EarlyView.
This review provides an overview of triboelectric nanogenerator (TENG)–based biomedical applications by classifying studies into electronic and ionic systems across attachable and implantable platforms. It summarizes key material choices, device structures, and working mechanisms that characterize current TENG‐based research, and outlines six future ...
Kyongtae Choi, Jimin Park, Won Jun Song, Soohwan An, Seonggyu Choe, Byeong‐Rak Keum, Min Young Kim, Dae Hee Hwang, Young‐Geun Park, Sung‐Won Kim, Sangyul Baik, Gwang‐Bum Im, Younghoon Lee   +12 more
wiley   +1 more source

A Novel Surface Acoustic Wave Sensor Array Based on Wireless Communication Network

Sensors, 2018
A novel surface acoustic wave (SAW) sensor array based on wireless communication network is prepared. The array is composed of four SAW sensors, a wireless communication network module, and a global positioning system (GPS) module.
Yong Pan, Ning Mu, Bo Liu, Bingqing Cao, Wen Wang, Liu Yang   +5 more
doaj   +1 more source

Energy Harvesting Hybrid Acoustic-Optical Underwater Wireless Sensor Networks Localization [PDF]

Sensors, 2017
Underwater wireless technologies demand to transmit at higher data rate for ocean exploration. Currently, large coverage is achieved by acoustic sensor networks with low data rate, high cost, high latency, high power consumption, and negative impact on marine mammals.
Nasir Saeed, Abdulkadir Celik, Tareq Y. Al-Naffouri, Mohamed-Slim Alouini   +3 more
openaire   +4 more sources

Utility based cross-layer collaboration for speech enhancement in wireless acoustic sensor networks [PDF]

, 2011
A wireless acoustic sensor network is considered that is used to estimate a desired speech signal that has been corrupted by noise. The application layer of the WASN derives an optimal filter in a linear MMSE sense.
Bertrand, A, Moerman, Ingrid, Moonen, M, Ruckebusch, Peter, Szurley, J   +4 more
core   +2 more sources

High‐Performance Transparent, Deformable, and Recoverable Biomimetic Stevia–PVA Hydrogel Triboelectric Nanogenerator with Machine Learning‐Assisted Motion Recognition

Advanced Materials, EarlyView.
A transparent, deformable stevia–PVA hydrogel triboelectric nanogenerator delivers significantly enhanced mechanical strength and electrical output through biomimetic hydrogen‐bonded networks. Coupled with machine learning–assisted signal recognition, the self‐powered hydrogel enables accurate human‐motion sensing for intelligent wearable and IoT ...
Thien Trung Luu, Bui Minh Quang, Toan Minh Pham, Jinsoo Kim, Kyungwho Choi, Dukhyun Choi   +5 more
wiley   +1 more source

A Co-Design-Based Reliable Low-Latency and Energy-Efficient Transmission Protocol for UWSNs

Sensors, 2020
Recently, underwater wireless sensor networks (UWSNs) have been considered as a powerful technique for many applications. However, acoustic communications in UWSNs bring in huge QoS issues for time-critical applications.
Xiaohui Wei, Hao Guo, Xingwang Wang, Xiaonan Wang, Chu Wang, Mohsen Guizani, Xiaojiang Du   +6 more
doaj   +1 more source

End‐to‐End Sensing Systems for Breast Cancer: From Wearables for Early Detection to Lab‐Based Diagnosis Chips

Advanced Materials Technologies, EarlyView.
This review explores advances in wearable and lab‐on‐chip technologies for breast cancer detection. Covering tactile, thermal, ultrasound, microwave, electrical impedance tomography, electrochemical, microelectromechanical, and optical systems, it highlights innovations in flexible electronics, nanomaterials, and machine learning.
Neshika Wijewardhane, Lyn I. Jones, Richard M. Martin, Helen Winter, Faezeh Arab Hassani   +4 more
wiley   +1 more source

Distributed Distortionless Signal Estimation In Wireless Acoustic Sensor Networks

, 2012
Publication in the conference proceedings of EUSIPCO, Bucharest, Romania ...
Bertrand, Alexander, Szurley, Joseph, Moonen, Marc   +2 more
openaire   +2 more sources

Adaptive Distributed Resource Allocation in Wireless Sensor Networks [PDF]

, 2006
Wireless sensor networks have emerged as a promising technology for a wide range of important applications. A major research challenge in this field is the distributed resource allocation problem, which concerns how the limited resources in a wireless ...
Foo, Mao Ching, Lam, Vinh The, Lim, Hock Beng, Zeng, Yulian   +3 more
core   +1 more source