Primary User Emulation Attack in Cognitive Radio Networks: A Survey

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Provided by: International Journal of Computer Networks and Wireless Communications (IJCNWC)
Topic: Networking
Format: PDF
Cognitive radio is a promising technology aiming to solve 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. If the spectrum sensing result is violated, the entire networks activities will be disrupted. Primary User Emulation Attack (PUEA) is one of the major threats to the spectrum sensing, which decreases the spectrum access probability.
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