Results 211 to 220 of about 5,294 (265)

Underwater acoustic vector DOA estimation in hybrid noise environments based on sparsely-gated mixture-of-experts mechanism. [PDF]

Sci Rep
Xu W, Yi S, Gu H, Wang C, Zhang Z.
europepmc   +1 more source

An efficient transformer architecture with depthwise separable convolutions for high-accuracy underwater acoustic target recognition. [PDF]

Sci Rep
Mahmud NA, Zhang T, Iqbal Y, Sumona FB, Azaz I, Geng Y, Khan W, Kharma QM, Rubanenko O.   +8 more
europepmc   +1 more source

Covert underwater communication through cepstrum modulation mimicking Pseudorca crassidens whistles using machine learning. [PDF]

Sci Rep
Bilal M, Zuberi HH, Jaffar A, Riaz W, Khan MA, Alharbi A, Miyajan A, Liu S.   +7 more
europepmc   +1 more source

Joint block estimation and attention-based long short-term memory network for doppler shift mitigation in UWA communication systems. [PDF]

Sci Rep
Zeng Q, Guo T, Peng G, Huang J.
europepmc   +1 more source

Adaptive Relay Free Space Networking for Autonomous Underwater Drone Swarms. [PDF]

Sensors (Basel)
Stack D, Nuti D, Rahmati M.
europepmc   +1 more source

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On Securing Underwater Acoustic Networks: A Survey

IEEE Communications Surveys and Tutorials, 2019
Underwater acoustic networks (UWANs) are often deployed in unattended and untransparent or even hostile environments and face many security threats, while many applications based on UWANs require secure communication, such as costal defense, submarine communication and harbor security.
Shengming Jiang
exaly   +2 more sources

Underwater acoustic sensor networks: research challenges

Ad Hoc Networks, 2005
Underwater sensor nodes will find applications in oceanographic data collection, pollution monitoring, offshore exploration, disaster prevention, assisted navigation and tactical surveillance applications. Moreover, unmanned or autonomous underwater vehicles (UUVs, AUVs), equipped with sensors, will enable the exploration of natural undersea resources ...
Ian F Akyildiz, Dario Pompili, Tommaso Melodia   +2 more
exaly   +2 more sources

On Multicasting in Underwater Acoustic Networks

2015 IEEE Global Communications Conference (GLOBECOM), 2014
Even though underwater acoustic communication suffers from long propagation delays and has very limited bandwidth, it still plays a key role in supporting long-distance, low-power communication in underwater sensor networks. Many previous studies have tried to mitigate the impact of long propagation delays, but recently, the focus has shifted from ...
Linbo Zhang, Mehul Motani
openaire   +1 more source

Underwater acoustic networks

IEEE Journal of Oceanic Engineering, 2000
With the advances in acoustic modem technology that enabled high-rate reliable communications, current research focuses on communication between various remote instruments within a network environment. Underwater acoustic (UWA) networks are generally formed by acoustically connected ocean-bottom sensors, autonomous underwater vehicles, and a surface ...
E.M. Sozer, M. Stojanovic, J.G. Proakis
openaire   +1 more source