Analysis on Communication Performance for Secondary Users Classified in Cognitive Radio Networks

Abstract:

Cognitive Radio Networks is an effective technology and a hot research direction which can solve the problem of deficient resource and revolutionize utilization. In order to enhance the communication efficiency, secondary users are classified by some strategy. We exploit the queuing theory model to research on the communication performance of secondary users, considering primary user as the first grade user and secondary users as other grades users. The research results indicate that the users which have lower priority level are more sensitive than those have higher priority level when primary user appears. Under Primary User Emulation Attack (PUEA), if the number of secondary users reaches 300, the waiting time would larger than 15 minutes. And if the appearance rate of PUEA reaches 4, the break-out rate would be 80%, which is much harmful for CRN.

• Periodical: Applied Mechanics and Materials (Volumes 271-272)
• Pages: 668-673
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.271-272.668
• Online since: December 2012
• Authors: Shan Shan Wang, Xing Guo Luo, Bai Nan Li
• Keywords: Cognition Radio Networks (CRN), Communication Performance, Primary User Emulation Attack (PUEA), Secondary User, Spectrum Sensing

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