Journal of Communications and Networks

The Korean Institute of Commucations and Information Sciences (한국통신학회)
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Cognitive Radio Based Spectrum Sharing: Evaluating Channel Availability via Traffic Pattern Prediction

  • Li, Xiukui (Department of Electrical and Computer Engineering Michigan Technological University) ;
  • Zekavat, Seyed A. (Reza) (Department of Electrical and Computer Engineering Michigan Technological University)
  • Received : 2008.10.01
  • Published : 2009.04.30
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Abstract

In this paper, a technique is proposed that enables secondary users to evaluate channel availability in cognitive radio networks. Here, secondary users estimate the utilization of channels via predicting the traffic pattern of primary user, and select a proper channel for radio transmission. The proposed technique reduces the channel switching rate of secondary users (the rate of switching from one channel to another) and the interference on primary users, while maintaining a reasonable call blocking rate of secondary users.

Keywords

References

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