Detection and Prevention of a Selfish attack in Cognitive Radio Adhoc Network
Journal Title: Scholars Journal of Engineering and Technology - Year 2014, Vol 2, Issue 3
Abstract
Cognitive radio network (CRN) is a network in which an un-licensed user is secondary user (SU) can use an empty channel in a spectrum band of licensed user known as primary user (PU). It is useful as well as harmful too. Because of this some selfish secondary user can use this empty channel through selfish attacks. In this paper we focus on selfish attack in cognitive radio (CR) adhoc network where selfish SU will occupy all or part of resources of multiple channels prohibiting other SU from accessingthe empty channels. Here an attempt is made to detect the selfish node and prevent the selfish attack in CR adhoc network. Keywords: Cognitive radio networks, Primary user, Secondary user, selfish attack, target node.
Authors and Affiliations
Pavan H M, K Vijaya
Keywords
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