[KSCI] Korea Science Citation Index Service

http://dx.doi.org/10.6109/jicce.2011.9.3.251

Adaptive Spectrum Sensing for Throughput Maximization of Cognitive Radio Networks in Fading Channels

Ban, Tae-Won (Mobile Laboratory, KT)
Kim, Jun-Su (Department of Electrical and Computer Engineering, University of British Columbia)
Jung, Bang-Chul (Dept. of Information and Communication Engineering, Collage of Marine Science and the Institute of Marine Industry, Gyeongsang National University)

Publication Information

Journal of information and communication convergence engineering / v.9, no.3, 2011 , pp. 251-255 More about this Journal

Abstract

In this paper, we investigate an adaptive cognitive radio (CR) scheme where a sensing duration and a detection threshold for spectrum sensing are adaptively determined according to the channel condition in a fading channel. We optimize the sensing duration and detection threshold of a secondary user to maximize the performance of the secondary user guaranteeing a primary user's secure communication. In addition, we analyze the effect of channel fading on the optimization of the sensing duration and detection threshold. Our numerical results show that the performance of the adaptive CR scheme can be drastically improved if a secondary user can take the advantage of channel information between primary and secondary users.

Keywords

Spectrum sensing; cognitive radio; throughput; Rayleigh fading channel;

Citations & Related Records

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