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Sensors 2016, 16(12), 1987; doi:10.3390/s16121987

On Performance Analysis of Protective Jamming Schemes in Wireless Sensor Networks

1
Faculty of Information Technology, Macau University of Science and Technology, Macau, China
2
Big Data Lab, Norwegian University of Science and Technology in Aalesund, 6009 Aalesund, Norway
3
Faculty of Computer, Guangdong University of Technology, Guangzhou 510006, China
*
Author to whom correspondence should be addressed.
Academic Editors: Mianxiong Dong, Zhi Liu, Anfeng Liu and Didier El Baz
Received: 31 October 2016 / Revised: 16 November 2016 / Accepted: 20 November 2016 / Published: 24 November 2016
(This article belongs to the Special Issue New Paradigms in Cyber-Physical Social Sensing)
View Full-Text   |   Download PDF [571 KB, uploaded 24 November 2016]   |  

Abstract

Wireless sensor networks (WSNs) play an important role in Cyber Physical Social Sensing (CPSS) systems. An eavesdropping attack is one of the most serious threats to WSNs since it is a prerequisite for other malicious attacks. In this paper, we propose a novel anti-eavesdropping mechanism by introducing friendly jammers to wireless sensor networks (WSNs). In particular, we establish a theoretical framework to evaluate the eavesdropping risk of WSNs with friendly jammers and that of WSNs without jammers. Our theoretical model takes into account various channel conditions such as the path loss and Rayleigh fading, the placement schemes of jammers and the power controlling schemes of jammers. Extensive results show that using jammers in WSNs can effectively reduce the eavesdropping risk. Besides, our results also show that the appropriate placement of jammers and the proper assignment of emitting power of jammers can not only mitigate the eavesdropping risk but also may have no significant impairment to the legitimate communications. View Full-Text
Keywords: security; wireless sensor networks; friendly jamming; analysis security; wireless sensor networks; friendly jamming; analysis
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Li, X.; Dai, H.-N.; Wang, H.; Xiao, H. On Performance Analysis of Protective Jamming Schemes in Wireless Sensor Networks. Sensors 2016, 16, 1987.

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