Abstract
The unused or under-utilized TV bands are opportunistically utilized by Cognitive Radio enabled IEEE 802.22 Wireless Regional Area Networks (WRAN). However due to the nature of cognitive radio networks and lack of proactive security protocols, these networks are vulnerable to various Denial of Service (DoS) threats. In this paper the target band chosen for attack is a specific band called as Most Active Band (MAB) which has most signal activities among the available bands. Co-ordination among the malicious nodes in MAB is analyzed to produce maximum net outcome. Simulation results are provided to demonstrate the effectiveness of the proposed co-ordinated MAB attack.
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