Spectrum Detection for Cognitive Radio Based on Auto-adaptive Threshold

被引：0
|
作者：
Chen, Lina [1 ]
Miao, Chunyu [2 ]
机构：
[1] Zhejiang Normal Univ, Coll Math Phys & Informat Engn, Hangzhou 321004, Zhejiang, Peoples R China
[2] Zhejiang Normal Univ, Coll Xingzhi, Zhejiang, Peoples R China
来源：
SPORTS MATERIALS, MODELLING AND SIMULATION | 2011年 / 187卷
关键词：
cognitive radio; cooperative spectrum sensing; detection probability; NETWORKS;
D O I：
10.4028/www.scientific.net/AMR.187.614
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
This paper proposed a cooperative spectrum sensing scheme based on auto-adaptive threshold in multi-user cognitive radio network, which can improve detection performance of cognitive user. According to closed-form expressions of detection probability, we compared the noncooperative scheme with the multi-user cooperative scheme, and compared the auto-adaptive threshold with fixed threshold in terms of detection probability through imitation. Result shown that the detection probability of multi-user cooperative detection is improved greatly compared to traditional noncooperative detection, and auto-adaptive scheme is advantage more than fixed threshold detection.
引用
收藏
页码：614 / +
页数：2
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