An Efficiency Optimization Scheme for the Two-Stage Spectrum Sensing in Cognitive Radio Network
IEICE Transactions on Communications
Online ISSN : 1745-1345
Print ISSN : 0916-8516
Regular Section
An Efficiency Optimization Scheme for the Two-Stage Spectrum Sensing in Cognitive Radio Network
Ying-pei LIN, Chen HE, Ling-ge JIANG, Di HE
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Keywords: cognitive radio, efficiency optimization, two-stage spectrum sensing, sensing time
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2012 Volume E95.B Issue 7 Pages 2489-2493

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Abstract
A sensing efficiency optimization scheme based on two-stage spectrum sensing that maximizes the achievable throughput of the secondary network and minimizes the average sensing time is proposed in this paper. A selection method for the threshold is proposed and proved to ensure optimal sensing performance. An effective iterative algorithm is presented to solve the constructed efficiency optimization problem.
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© 2012 The Institute of Electronics, Information and Communication Engineers
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