Lifetime extension for surveillance wireless sensor networks with intelligent redeployment

Date

2011-11-01

Author

Kosar, Rabun
Bojaxhiu, Ilir
Onur, Ertan
Ersoy, Cem

Metadata

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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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For wireless sensor networks (WSNs), uneven energy consumption is a major problem. A direct consequence of this is the energy hole problem, formation of sensing voids within the network field due to battery depleted sensors in the corresponding region. Hole formations are inherent in the network topology, yet it is possible to develop strategies to delay the hole formations to later stages of the network operation and essentially extend the network lifetime without sensing quality loss. In this work, we initially propose and analyze an approach that can be used to mitigate the hole problem. The approach is presented in detail and the effects on the sustained surveillance quality are presented. The results are based on simulations with different network configurations with realistic sensor models, MAC and routing protocols. By using the proposed approach, sustaining a sensing quality above a given threshold and more than doubling the network lifetime are possible. The results clearly indicate the suitability of the approach for especially demanding WSNs such as the ones used for border surveillance tasks.

Subject Keywords

Computer Networks and Communications, Hardware and Architecture, Computer Science Applications

URI

https://hdl.handle.net/11511/35289

Journal

JOURNAL OF NETWORK AND COMPUTER APPLICATIONS

DOI

https://doi.org/10.1016/j.jnca.2010.12.010

Collections

Department of Computer Engineering, Article

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Citation Formats

R. Kosar, I. Bojaxhiu, E. Onur, and C. Ersoy, “Lifetime extension for surveillance wireless sensor networks with intelligent redeployment,” JOURNAL OF NETWORK AND COMPUTER APPLICATIONS, pp. 1784–1793, 2011, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/35289.