Results 1 - 10 of 1,512

State-of-the-art in protocol research for underwater acoustic sensor networks

by Ian F. Akyildiz, Dario Pompili, Tommaso Melodia - In Underwater Networks , 2006
"... In this paper, architectures for two-dimensional and three-dimensional underwater sensor networks are discussed. A detailed overview on the current solutions for medium access control, network, and transport layer protocols are given and open research issues are discussed. Categories and Subject Des ..."
Abstract - Cited by 43 (0 self) - Add to MetaCart
In this paper, architectures for two-dimensional and three-dimensional underwater sensor networks are discussed. A detailed overview on the current solutions for medium access control, network, and transport layer protocols are given and open research issues are discussed. Categories and Subject

Challenges for Efficient Communication in Underwater Acoustic Sensor Networks

by Ian F. Akyildiz, Dario Pompili, Tommaso Melodia - ACM SIGBED Review , 2004
"... Abstract — Ocean bottom sensor nodes can be used for oceanographic data collection, pollution monitoring, offshore exploration and tactical surveillance applications. Moreover, Unmanned or Autonomous Underwater Vehicles (UUVs, AUVs), equipped with sensors, will find application in exploration of nat ..."
Abstract - Cited by 88 (0 self) - Add to MetaCart
tasks over a given area. In this paper, several fundamental key aspects of underwater acoustic communications are investigated. Different architectures for two-dimensional and three-dimensional underwater sensor networks are discussed, and the underwater channel is characterized. The main challenges

Underwater Acoustic Sensor Networks: Research Challenges

by Ian F. Akyildiz, Dario Pompili, Tommaso Melodia - AD HOC NETWORKS (ELSEVIER , 2005
"... Underwater sensor nodes will find applications in oceanographic data collection, pollution monitoring, o#shore exploration, disaster prevention, assisted navigation and tactical surveillance applications. Moreover, unmanned or autonomous underwater vehicles (UUVs, AUVs), equipped with sensors, will ..."
Abstract - Cited by 321 (27 self) - Add to MetaCart
, will enable the exploration of natural undersea resources and gathering of scientific data in collaborative monitoring missions. Underwater acoustic networking is the enabling technology for these applications. Underwater networks consist of a variable number of sensors and vehicles that are deployed

Underwater Sensor Network

by Ms. Akanksha, V. Patil, Mrs Sapana, G. Buwa, Mr. Vijay, U. Patil, Mr. Jaydeep, B. Patil, Mr. Shrikant, D. Bhopale
"... As electromagnetic waves do not propagate well underwater, acoustics plays a key role in underwater communication. Due to significant differences in the characteristics of electromagnetic and acoustic channels, networking protocols for underwater systems differ from those developed for wired and wir ..."
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applications. We study the localization problem in large-scale underwater sensor networks. In this paper, several fundamental key aspects of underwater acoustic communications are investigated. Different architectures for two dimensional and three dimensional underwater sensor networks are discussed

State of the art in protocol research for underwater acoustic sensor networks

by Ian F. Akyildiz, Dario Pompili, Tommaso Melodia - ACM Mobile Computing and Communication Review , 2007
"... Underwater networks of sensors have the potential to enable unexplored applications and to enhance our ability to observe and predict the ocean. In this paper, architectures for twodimensional and three-dimensional underwater sensor networks are proposed. A detailed overview on the current solutions ..."
Abstract - Cited by 31 (1 self) - Add to MetaCart
Underwater networks of sensors have the potential to enable unexplored applications and to enhance our ability to observe and predict the ocean. In this paper, architectures for twodimensional and three-dimensional underwater sensor networks are proposed. A detailed overview on the current

Localization for large-scale underwater sensor networks

by Zhong Zhou, Jun-hong Cui, Shengli Zhou , 2006
"... Abstract. In this paper, we study the localization problem in large-scale underwater sensor networks. The adverse aqueous environments, the node mobility, and the large network scale all pose new challenges, and most current localization schemes are not applicable. We propose a hierarchical approach ..."
Abstract - Cited by 47 (6 self) - Add to MetaCart
Abstract. In this paper, we study the localization problem in large-scale underwater sensor networks. The adverse aqueous environments, the node mobility, and the large network scale all pose new challenges, and most current localization schemes are not applicable. We propose a hierarchical

Robust Distributed Network Localization with Noisy Range Measurements

by David Moore, John Leonard, Daniela Rus, Seth Teller , 2004
"... This paper describes a distributed, linear-time algorithm for localizing sensor network nodes in the presence of range measurement noise and demonstrates the algorithm on a physical network. We introduce the probabilistic notion of robust quadrilaterals as a way to avoid flip ambiguities that otherw ..."
Abstract - Cited by 403 (20 self) - Add to MetaCart
This paper describes a distributed, linear-time algorithm for localizing sensor network nodes in the presence of range measurement noise and demonstrates the algorithm on a physical network. We introduce the probabilistic notion of robust quadrilaterals as a way to avoid flip ambiguities

Survey paper on Underwater Wireless Sensor Network

by Jaydip M Kavar , Dr K H Wandra
"... ABSTRACT: In our earth 75% covered by water that could be river and ocean also. The underwater sensor network are enabling technology and become more and more popular for monitoring vast area of oceans. Underwater sensor Networks consist of a variable number of sensors that are deployed to perform ..."
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of underwater sensor network,different architectures for two-dimensional and three-dimensional underwater sensor networks are discussed, we also discussed the application and main problem or issue in underwater sensor network.

Routing Algorithms for Delay-insensitive and Delay-sensitive Applications in Underwater Sensor Networks

by Dario Pompili, Tommaso Melodia, Ian F. Akyildiz - In Proc. of ACM Conference on Mobile Computing and Networking (MobiCom , 2006
"... Underwater sensor networks consist of sensors and vehicles deployed to perform collaborative monitoring tasks over a given region. Underwater sensor networks will find applications in oceanographic data collection, pollution monitoring, offshore exploration, disaster prevention, assisted navigation, ..."
Abstract - Cited by 72 (10 self) - Add to MetaCart
, tactical surveillance, and mine reconnaissance. Underwater acoustic networking is the enabling technology for these applications. In this paper, an architecture for three-dimensional underwater sensor networks is considered, and a model characterizing the acoustic channel utilization efficiency

A Resilient Routing Algorithm for Long-term applications in Underwater Sensor Networks

by Dario Pompili, Tommaso Melodia, Ian F. Akyildiz - In Proc. of MedHocNet , 2006
"... Abstract — Underwater sensor networks will find applications in oceanographic data collection, pollution monitoring, offshore exploration, disaster prevention, assisted navigation, and tactical surveillance. Underwater acoustic networking is the enabling technology for these applications. In this pa ..."
Abstract - Cited by 17 (2 self) - Add to MetaCart
. In this paper, the problem of data gathering for three-dimensional underwater sensor networks is investigated at the network layer by considering the interactions between the routing functions and the characteristics of the underwater acoustic channel. A two-phase resilient routing solution for long
Results 1 - 10 of 1,512