Interruption from primary users is a key factor impacting the performance of secondary users in cognitive radio networks. Based on a simplified model of primary user interruptions (Markov chain), queuing analysis is carried out for two-server-single-queue and single-server-two-queue cases. A semi-analytic result is obtained for the generating function of queue length in the two-server-single-queue case. The average queue length is obtained from solving a group of linear equations for the single-server-two-queue case. The maximal packet arrival rates versus different service rates and interruption parameters are obtained via numerical simulations.
CITATION STYLE
Li, H., & Han, Z. (2010). Queuing analysis of dynamic spectrum access subject to interruptions from primary users. In 2010 Proceedings of the 5th International Conference on Cognitive Radio Oriented Wireless Networks and Communications, CROWNCom 2010. https://doi.org/10.4108/ICST.CROWNCOM2010.9110
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