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NEAT: A NEighbor AssisTed Spectrum Decision Protocol for Resilience Against Primary User Emulation Attacks

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Executive Summary

The authors propose a distributed spectrum decision protocol resilient to Primary User Emulation Attacks (PUEA) in Dynamic Spectrum Access (DSA) networks. PUEA is a type of denial-of-service attack that can result in unreliable and/or disconnected DSA networks by depriving legitimate secondary users of spectrum access. They first propose an individual detection mechanism for secondary users to achieve preliminary sensing results. For this, they characterize the received power at a good secondary user, using a flexible log-normal sum approximation. They, then develop a distributed spectrum decision protocol in which secondary users exchange individual sensing results with their one-hop neighbors to increase resilience to PUEA.

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