An Efficiency Optimization Scheme for the Two-Stage Spectrum Sensing in Cognitive Radio Network

被引：0
作者：
Lin, Ying-pei [1 ]
He, Chen [1 ]
Jiang, Ling-ge [1 ]
He, Di [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Dept Elect Engn, Shanghai, Peoples R China
来源：
IEICE TRANSACTIONS ON COMMUNICATIONS | 2012年 / E95B卷 / 07期
基金：
中国国家自然科学基金;
关键词：
cognitive radio; efficiency optimization; two-stage spectrum sensing; sensing time;
D O I：
10.1587/transcom.E95.B.2489
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
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.
引用
收藏
页码：2489 / 2493
页数：5
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