Primary Spectrum Availability Sensing for Cognitive Radio

被引：0
|
作者：
Wang, Shoufeng [1 ]
Zhang, Dongchen [1 ]
Meng, Dexiang [1 ]
Xu, Xiaoyan [1 ]
Wang, Tinglan [1 ]
机构：
[1] China Mobile Grp Design Inst Co Ltd, Div Res, Beijing, Peoples R China
来源：
2014 XXXITH URSI GENERAL ASSEMBLY AND SCIENTIFIC SYMPOSIUM (URSI GASS) | 2014年
关键词：
cognitive radio; spectrum sensing; primary spectrum availability;
D O I：
暂无
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：
Precluding the out of date spectrum hole is quite essential for cognitive spectrum sensing. Key factors in this problem include the primary users' activity in time domain and the spectrum sensing triggers, etc. The Primary Spectrum Availability Sensing for Cognitive Radio is proposed in this paper. Renewal theory is introduced to derive the instant availability and the sensing cost. Numerical studies prove that the probability of up to date sensing result decreases and the sensing cost rises along with the time.
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页数：4
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