Message-Passing Algorithms for Coordinated Spectrum Sensing in Cognitive Radio Networks

被引：8
|
作者：
Lee, Sang Hyun [1 ]
Shamaiah, Manohar [1 ]
Vikalo, Haris [1 ]
Vishwanath, Sriram [1 ]
机构：
[1] Univ Texas Austin, Dept Elect & Comp Engn, Austin, TX 78712 USA
来源：
IEEE COMMUNICATIONS LETTERS | 2013年 / 17卷 / 04期
关键词：
Coordinated spectrum sensing; message-passing algorithm; cognitive radios;
D O I：
10.1109/LCOMM.2013.021913.130013
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
This letter presents distributed algorithms that enable efficient spectrum sensing in cognitive radio networks. In the proposed setting, each node in the system detects different channels in a cooperative fashion in order to improve access to the spectral resources available to the cognitive radio network. The developed scheme utilizes a message-passing framework for efficient channel assignment. Simulation results establish that this class of algorithms outperform existing techniques and improves the overall sensing performance of the system.
引用
收藏
页码：812 / 815
页数：4
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