Secure Cooperative Sensing Techniques for Cognitive Radio Systems

TitleSecure Cooperative Sensing Techniques for Cognitive Radio Systems
Publication TypeConference Paper
Year of Publication2008
AuthorsKaligineedi, P., M. Khabbazian, and V. K. Bhargava
Conference NameCommunications, 2008. ICC '08. IEEE International Conference on
Pagination3406 -3410
Date Publishedmay.
Keywordscognitive radio, cognitive radio systems, cooperative sensing schemes, matrix algebra, primary licensed users, secure cooperative sensing techniques, spectrum sensing devices, telecommunication security

The most important task for a cognitive radio (CR) system is to identify the primary licensed users over a wide range of spectrum. Cooperation among spectrum sensing devices has been shown to offer various benefits including decrease in sensitivity requirements of the individual sensing devices. However, it has been shown in the literature that the performance of cooperative sensing schemes can be severely degraded due to presence of malicious users sending false sensing data. In this paper, we present techniques to identify such malicious users and mitigate their harmful effect on the performance of the cooperative sensing system.


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