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Cooperative spectrum sensing is key to the success of cognitive radio networks. Recently, fully distributed cooperative spectrum sensing has been proposed for its high performance benefits particularly in cognitive radio ad hoc networks. However, the cooperative and fully distributed natures of such protocol make it highly vulnerable to malicious attacks, and make the defense very difficult. In this...
Wireless networks are challenged in efficiency and security. This article is devoted to the fundamental study of cognitive communications in wireless networks after analyzing the limitations in today??s cognitive radios. The research scope includes architecture design, resource management, anti-interference/interception system design through multi-layer diversity, routing anonymity, and security analysis.
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