Adaptive Channel Sensing for Asynchronous Cooperative Spectrum Sensing Scheme

被引：2

作者：

Jiang, Chunxiao ^{[1
]}

Chen, Hongyang ^{[2
]}

Zhao, Peisen ^{[1
]}

He, Nengqiang ^{[1
]}

Chen, Canfeng ^{[3
]}

Ren, Yong ^{[1
]}

机构：

[1] Tsinghua Univ, Dept Elect Engn, Beijing 100084, Peoples R China

[2] Univ Tokyo, Inst Ind Sci, Tokyo 1138654, Japan

[3] Nokia Res Ctr, Beijing, Peoples R China

来源：

IEICE TRANSACTIONS ON COMMUNICATIONS | 2013年 / E96B卷 / 03期

关键词：

asynchronous cooperative spectrum sensing; cognitive radio; COGNITIVE RADIO NETWORKS; THROUGHPUT;

D O I：

10.1587/transcom.E96.B.918

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：

Among the cognitive radio technologies, cooperative spectrum sensing has been corroborated to be an effective approach to counter channel fading. Recent research about it is mainly with the assumption that secondary users (SUs) are synchronous with primary users (PUs). In this letter, we discuss the asynchronous situation for the first time, which means SUs have no idea about the communication time table of PUs' network. Based on the ON/OFF channel model, we derive the detection and false alarm probabilities, and the optimal sensing parameters under such asynchronous scenario. Simulation results are shown in the end.

引用

页码：918 / 922

页数：5

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