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Catch the Jammer in Wireless Sensor Network

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5 Author(s)
Yanqiang Sun ; Coll. of Comput. Sci., Nat. Univ. of Defense Technol., Changsha, China ; Molva, R. ; Onen, M. ; Xiaodong Wang
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Jamming attacks can severely affect the performance of Wireless Sensor Networks (WSNs) due to their broadcast nature. The most reliable solution to reduce the impact of such attacks is to detect and localize the source of the attack. In this paper, we investigate the feasibility of localizing an omni-antenna jammer. We propose Catch the Jammer (CJ), an efficient jammer localization scheme whereby victim nodes at the border of the jammed region share their location information with their one-hop neighbor nodes which further collaborate to find the position of the jammer. This new localization technique first computes a convex hull for the set of victim nodes and further extracts the corresponding minimum covering circle. Simulation results show that CJ outperforms most of the existing localization algorithms depending on the variation of the jammer's transmission range and the position of the jammer.

Published in:

Personal Indoor and Mobile Radio Communications (PIMRC), 2011 IEEE 22nd International Symposium on

Date of Conference:

11-14 Sept. 2011