Results 11 to 20 of about 33,352 (183)

Game Theory-Based Cooperation for Underwater Acoustic Sensor Networks: Taxonomy, Review, Research Challenges and Directions [PDF]

open access: yesSensors, 2018
Exploring and monitoring the underwater world using underwater sensors is drawing a lot of attention these days. In this field cooperation between acoustic sensor nodes has been a critical problem due to the challenging features such as acoustic channel ...
Dalhatu Muhammed   +4 more
doaj   +10 more sources

Latency-Optimized and Energy-Efficient MAC Protocol for Underwater Acoustic Sensor Networks: A Cross-Layer Approach [PDF]

open access: yesEURASIP Journal on Wireless Communications and Networking, 2010
Considering the energy constraint for fixed sensor nodes and the unacceptable long propagation delay, especially for latency sensitive applications of underwater acoustic sensor networks, we propose a MAC protocol that is latency-optimized and energy ...
Qingchun Ren, Xiuzhen Cheng
doaj   +3 more sources

ENERGY EFFICIENCY ANALYSIS OF ERROR CORRECTION TECHNIQUES IN UNDERWATER WIRELESS SENSOR NETWORKS [PDF]

open access: yesJournal of Engineering Science and Technology, 2011
Research in underwater acoustic networks has been developed rapidly to support large variety of applications such as mining equipment and environmental monitoring.
M. NORDIN B. ZAKARIA   +1 more
doaj   +2 more sources

An Efficient Scalable Scheduling MAC Protocol for Underwater Sensor Networks. [PDF]

open access: yesSensors (Basel), 2018
Underwater Sensor Networks (UWSNs) utilise acoustic waves with comparatively lower loss and longer range than those of electromagnetic waves. However, energy remains a challenging issue in addition to long latency, high bit error rate, and limited ...
Alfouzan F   +3 more
europepmc   +3 more sources

Energy-Aware Multilevel Clustering Scheme for Underwater Wireless Sensor Networks

open access: yesIEEE Access, 2022
The expansion of wireless sensor networks in the underwater environment resulted in underwater wireless sensor networks. It has dramatically impacted the research arena because of its widespread and real-time applications.
Sivaraj Chinnasamy   +4 more
doaj   +1 more source

APE-Sync: An Adaptive Power Efficient Time Synchronization for Mobile Underwater Sensor Networks

open access: yesIEEE Access, 2019
Time synchronization is a cooperative work's foundation among underwater sensor networks' nodes; it takes a crucial role in the application and the study of underwater sensor networks.
Feng Zhou   +5 more
doaj   +1 more source

Capacity Analysis of NOMA-Enabled Underwater VLC Networks

open access: yesIEEE Access, 2021
Visible light communication (VLC) has recently emerged as an enabling technology for high capacity underwater wireless sensor networks. Non-orthogonal multiple access (NOMA) has been also proven capable of handling a massive number of sensor nodes while ...
Mohammed Elamassie   +4 more
doaj   +1 more source

Krill: An exploration in underwater sensor networks [PDF]

open access: yes, 2005
While sensor networks have now become very popular on land, the underwater environment still poses some difficult problems. Communication is one of the difficult challenges under water. There are two options: optical and acoustic.
Chen, P.   +7 more
core   +3 more sources

Constructing 3D Underwater Sensor Networks without Sensing Holes Utilizing Heterogeneous Underwater Robots

open access: yesApplied Sciences, 2021
This article handles building underwater sensor networks autonomously using multiple surface ships. For building underwater sensor networks in 3D workspace with many obstacles, this article considers surface ships dropping underwater robots into the ...
Jonghoek Kim
doaj   +1 more source

UWSNs positioning technology based on iterative optimization and data position correction

open access: yesEURASIP Journal on Wireless Communications and Networking, 2020
Underwater wireless sensor networks (UWSNs) have played an increasingly important role in the fields of ocean exploration, underwater environment monitoring, underwater navigation target tracking, terrain-assisted navigation, and so on.
Xinxin Wang   +4 more
doaj   +1 more source

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