Results 21 to 30 of about 23,943 (241)
Experimental testing of asymmetric underwater acoustic networks [PDF]
2014 IEEE Fifth International Conference on Communications and Electronics (ICCE), 2014 om. {asilva.sjesus}@ ualg.pt Abstract-The coordinated operation of multiple vehicles within the framework of multipoint non-cabled observatories and offshore activities sprung the necessity for complex underwater acoustic networks (VANs). An example of such VAN consisting of fixed and mobile underwater nodes, was recently developed and tested at sea. A
Vilaipornsawai, U. +2 more
openaire +2 more sources
International Journal of Distributed Sensor Networks, 2017 Limited energy, high mobility, and unsteady acoustic communication links render the underwater acoustic sensor networks subject to performance reduction.
Ming He +4 more
doaj +1 more source
Journal of Marine Science and Engineering, 2023 Underwater acoustic target recognition remains a formidable challenge in underwater acoustic signal processing. Current target recognition approaches within underwater acoustic frameworks predominantly rely on acoustic image target recognition models ...
Zhe Chen +3 more
doaj +1 more source
Simplified Scheduling for Underwater Acoustic Networks
Journal of Networks, 2013 The acoustic propagation speed under water poses significant challenges to the design of underwater sensor networks and their medium access control protocols. Similar to the air, scheduling transmissions under water has significant impact on throughput, energy consumption, and reliability.
van Kleunen W. +2 more
openaire +2 more sources
TS-MUWSN: Time synchronization for mobile underwater sensor networks [PDF]
, 2016 Time synchronization is an important, yet challenging, problem in underwater sensor networks (UWSNs). This challenge can be attributed to: 1) messaging timestamping; 2) node mobility; and 3) Doppler scale effect. To mitigate these problems, we present an
Bouvet, Pierre-jean +2 more
core +2 more sources
Discrete Dynamics in Nature and Society, 2016 Establishing high-speed and reliable underwater acoustic networks among multiunmanned underwater vehicles (UUVs) is basic to realize cooperative and intelligent control among different UUVs.
Yang Yu, Jie Shi, Ke He, Peng Han
doaj +1 more source
Journal of Ocean Engineering and Science, 2022 Monitoring the ocean shore continuously in real-time is essential for important applications like port security, coastal surveillance, assistance in navigation etc.
Pavan Ganesh PSS +1 more
doaj +1 more source
Spectrum-Aware Underwater Networks: Cognitive Acoustic Communications
IEEE Vehicular Technology Magazine, 2012 In this article, CAC to empower SUN inspiring from CR paradigm in wireless terrestrial communications is proposed. Spectrum scarcity in UAC due to the uniquely challenging underwater acoustic spectrum is discussed, and the need for spectrum-aware communication techniques is pointed out.
Bicen, A. Ozan +2 more
openaire +3 more sources
An Underwater Acoustic Network Positioning Method Based on Spatial-Temporal Self-Calibration
Sensors, 2022 The emergence of underwater acoustic networks has greatly improved the potential capabilities of marine environment detection. In underwater acoustic network applications, node location is a basic and important task, and node location information is the ...
Chao Wang +3 more
doaj +1 more source
A secure routing scheme for underwater acoustic networks
International Journal of Distributed Sensor Networks, 2017 Secure and anonymous routing is required in many underwater acoustic network applications such as marine military. However, the characteristics of underwater acoustic networks cause existing secure scheme designed for traditional terrestrial networks to ...
Xiujuan Du, Chunyan Peng, Keqin Li
doaj +1 more source