NDLI: Eavesdropping attack in collaborative wireless networks: Security protocols and intercept behavior

Content Provider	IEEE Xplore Digital Library
Author	Yulong Zou Xianbin Wang Weiming Shen
Copyright Year	2013
Description	Author affiliation: Electr. & Comput. Eng. Dept., Univ. of Western Ontario, London, ON, Canada (Yulong Zou; Xianbin Wang; Weiming Shen)
Abstract	In this paper, we investigate security issues in a collaborative wireless network in the presence of eavesdropping attacks, where multiple amplify-and-forward (AF) relays are exploited to secure the message transmission between legitimate users. We first consider the multiple AF relays all participating in assisting the transmission from source to destination, which is called all-relay based collaborative transmission scheme as denoted by all-relay scheme for notational convenience. We also propose the best-relay transmission scheme in which only the single “best” relay is selected to help the source transmit messages to destination. We then analyze the intercept behavior in wireless networks and evaluate intercept probabilities of the proposed all-relay and best-relay schemes as well as the conventional direct transmission without relay in a Rayleigh fading environment. Numerical results show that the best-relay transmission scheme always outperforms the all-relay and direct transmission schemes in terms of intercept probability. It is also shown that as the number of eavesdroppers increases, the intercept probabilities of both all-relay and best-relay schemes increase. Moreover, the intercept probability performance of all-relay and best-relay schemes significantly improves with an increasing number of relays, implying the advantage of exploiting multiple relays against eavesdropping attacks.
Starting Page	704
Ending Page	709
File Size	184816
Page Count	6
File Format	PDF
ISBN	9781467360845
e-ISBN	9781467360852
DOI	10.1109/CSCWD.2013.6581046
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-06-27
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Relays Security Fading Wireless networks Communication system security Signal to noise ratio amplify-and-forward Eavesdropping attack security protocol intercept probability relay selection
Content Type	Text
Resource Type	Article

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