A Hierarchical Underwater Acoustic Sensor Network Architecture Utilizing AUVs’ Optimal Trajectory Movements 


Vol. 37,  No. 12, pp. 1328-1336, Dec.  2012


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  Abstract

Compared to terrestrial RF communications, underwater acoustic communications have several limitations such as limited bandwidth, high level of fading effects, and a large underwater propagation delay. In this paper, in order to tackle those limitations of underwater communications and to make it possible to form a large underwater monitoring systems, we propose a hierarchical underwater network architecture, which consists of underwater sensors, clusterheads, underwater/surface sink nodes, autonomous underwater vehicles (AUVs). In the proposed architecture, for the maximization of packet delivery ratio and the minimization of underwater sensor’s energy consumption, a hybrid routing protocol is used. More specifically, cluster members use Tree based routing to transmit sensing data to clusterheads. AUVs on optimal trajectory movements collect the aggregated data from clusterhead and finally forward the data to the sink node. Also, in order to minimize the maximum travel distance of AUVs, an Integer Linear Programming based algorithm is employed. Performance analysis through simulations shows that the proposed architecture can achieve a higher data delivery ratio and lower energy consumption than existing routing schemes such as gradient based routing and geographical forwarding. Start after striking space key 2 times.

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  Cite this article

[IEEE Style]

N. T. Tham and S. Yoon, "A Hierarchical Underwater Acoustic Sensor Network Architecture Utilizing AUVs’ Optimal Trajectory Movements," The Journal of Korean Institute of Communications and Information Sciences, vol. 37, no. 12, pp. 1328-1336, 2012. DOI: .

[ACM Style]

Nguyen Thi Tham and Seokhoon Yoon. 2012. A Hierarchical Underwater Acoustic Sensor Network Architecture Utilizing AUVs’ Optimal Trajectory Movements. The Journal of Korean Institute of Communications and Information Sciences, 37, 12, (2012), 1328-1336. DOI: .

[KICS Style]

Nguyen Thi Tham and Seokhoon Yoon, "A Hierarchical Underwater Acoustic Sensor Network Architecture Utilizing AUVs’ Optimal Trajectory Movements," The Journal of Korean Institute of Communications and Information Sciences, vol. 37, no. 12, pp. 1328-1336, 12. 2012.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880