Analysis of Attacks in Cognitive Radio Networks
Journal Title: American journal of Engineering Research - Year 2016, Vol 5, Issue 2
Abstract
Cognitive Radio (CR) is a promising technology for next-generation wireless networks in order to efficiently utilize the limited spectrum resources and satisfy the rapidly increasing demand for wireless applications and services. It solves the spectrum scarcity problem by allocating the spectrum dynamically to unlicensed users. It uses the free spectrum bands which are not being used by the licensed users without causing interference to the incumbent transmission. So, spectrum sensing is the essential mechanism on which the entire communication depends. Cognitive radio networks introduce new classes of security threats and challenges, such as licensed user emulation attacks in spectrum sensing and misbehaviours in the common control channel transactions, which degrade the overall network operation and performance. So that it causes the crucial threat in the cognitive radio network. In this paper, our objectives are to give the various security issues in cognitive radio networks and advantage and disadvantage of security mechanisms with the existing techniques to mitigate it.
Authors and Affiliations
Manjurul H. Khan1 ,, P. C. Barman2
Keywords
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