NDLI: ReDiSen: Reputation-based secure cooperative sensing in distributed cognitive radio networks

Content Provider	IEEE Xplore Digital Library
Author	Tongjie Zhang Safavi-Naini, R. Zongpeng Li
Copyright Year	2013
Description	Author affiliation: Dept. of Comput. Sci., Univ. of Calgary, Calgary, AB, Canada (Tongjie Zhang; Safavi-Naini, R.; Zongpeng Li)
Abstract	Cognitive radio techniques represent an emerging approach for mitigating the spectrum scarcity problem in wireless communications. Cooperative sensing is an effective solution to improve sensing accuracy and robustness in the presence of fading and shadowing that make individual sensing less reliable. However, when an adversary can corrupt some nodes in the network, the effectiveness of cooperative sensing may degrade dramatically. We design the first fully distributed security scheme ReDiSen to counter attacks in cooperative sensing. We apply reputation generated from exchanged sensing results as an aid to restrict the impact of the malicious behaviours. Both theoretical analysis and simulation results indicate that ReDiSen provides an effective countermeasure against security attacks by enabling secondary users to obtain more accurate cooperative sensing results in adversarial environments. ReDiSen does not rely on a central authority, nor a common control channel, and is therefore more applicable in dynamic cognitive radio networks.
Starting Page	2601
Ending Page	2605
File Size	248007
Page Count	5
File Format	PDF
ISBN	9781467331227
ISSN	15503607
DOI	10.1109/ICC.2013.6654927
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-06-09
Publisher Place	Hungary
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Sensors Cognitive radio Security Fading Simulation Noise Cognitive Radio Networks Cooperative Sensing Reputation
Content Type	Text
Resource Type	Article

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