Trustworthy Node Detection in Cognitive Radio in Hostile Environments

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Provided by: International Journal of Information and Electronics Engineering
Topic: Mobility
Format: PDF
The most important challenge in cognitive radio networks is detection of primary user signal. Cooperation among secondary users increases the performance of the system significantly. In cooperative sensing in hostile environments, intruder nodes send false sensing results to the fusion center and make the fusion center erroneously decides about the presence of the primary user. Several detection methods have been proposed to nullify effects of malicious nodes. But in most of these scenarios, the fading effects are not considered.
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