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Reliable Cooperative Sensing in Cognitive Networks

Abdelhakim, Mai and Ren, Jian and Li, Tongtong (2012) Reliable Cooperative Sensing in Cognitive Networks. International Conference on Wireless Algorithms, Systems, and Applications.

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Abstract

In this paper, we consider reliable cooperative spectrum sensing in cognitive networks under the Spectrum Sensing Data Falsification (SSDF) attacks. One effective method to mitigate the SSDF attacks is the q-out-of-m fusion scheme, where the final decision is based on q sensing reports from m polled users. In this paper, first, we derive the asymptotic behavior of the fusion scheme as the network size increases. It is found that the false alarm rate decreases exponentially as the network size increases, even if the percentage of malicious users remains fixed. Second, we propose an iterative approach to obtain the best scheme parameters that minimizes the false alarm rate and enforces the miss detection constraint. Third, we discuss different attack scenarios and propose a malicious user detection method to further improve the performance. It is shown that by exploiting the malicious user detection scheme, the system performance is improved significantly under various attacks.


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Details

Item Type: Article
Status: Published
Creators/Authors:
CreatorsEmailPitt UsernameORCID
Abdelhakim, MaiMAIA@pitt.eduMAIA
Ren, Jian
Li, Tongtong
Date: 2012
Date Type: Publication
Journal or Publication Title: International Conference on Wireless Algorithms, Systems, and Applications
DOI or Unique Handle: 10.1007/978-3-642-31869-6_18
Schools and Programs: School of Information Sciences > Telecommunications
Refereed: Yes
Official URL: https://link.springer.com/chapter/10.1007/978-3-64...
Article Type: Research Article
Date Deposited: 30 Jun 2017 13:45
Last Modified: 30 Oct 2018 12:57
URI: http://d-scholarship.pitt.edu/id/eprint/32627

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