Sensing-Throughput Tradeoff in Cognitive Radio Networks: How Frequently Should Spectrum Sensing be Carried Out?

@article{Pei2007SensingThroughputTI,
  title={Sensing-Throughput Tradeoff in Cognitive Radio Networks: How Frequently Should Spectrum Sensing be Carried Out?},
  author={Yiyang Pei and Anh Tuan Hoang and Ying-Chang Liang},
  journal={2007 IEEE 18th International Symposium on Personal, Indoor and Mobile Radio Communications},
  year={2007},
  pages={1-5}
}
We consider a cognitive radio (CR) network that makes opportunistic access to a spectrum licensed to the primary users. During its operation, the CR network carries out spectrum sensing on a frame-by-frame basis to detect active primary users, thereby avoiding interfering with them. We formulate a collision-throughput tradeoff problem which, based on the sensing time requirement and the traffic pattern of primary users, finds optimal value for the frame duration of CR operation so that the… CONTINUE READING

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