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Selfish attacks and detection in cognitive radio Ad-Hoc networks

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4 Author(s)
Minho Jo ; Korea Univ., Seoul, South Korea ; Longzhe Han ; Dohoon Kim ; In, H.P.

Cognitive radio is an opportunistic communication technology designed to help unlicensed users utilize the maximum available licensed bandwidth. Cognitive radio has recently attracted a lot of research interest. However, little research has been done regarding security in cognitive radio, while much more research has been done on spectrum sensing and allocation problems. A selfish cognitive radio node can occupy all or part of the resources of multiple channels, prohibiting other cognitive radio nodes from accessing these resources. Selfish cognitive radio attacks are a serious security problem because they significantly degrade the performance of a cognitive radio network. In this article we identify a new selfish attack type in cognitive radio ad-hoc networks and propose an easy and efficient selfish cognitive radio attack detection technique, called COOPON, with multichannel resources by cooperative neighboring cognitive radio nodes.

Published in:

Network, IEEE  (Volume:27 ,  Issue: 3 )