Distributed spectrum sensing for cognitive radio systems

被引:0
|
作者
da Silva, Claudio R. C. M. [1 ]
Choi, Brian [1 ]
Kim, Kyouwoong [1 ]
机构
[1] Virginia Polytech Inst & State Univ, Bradley Dept Elect & Comp Engn, Blacksburg, VA 24061 USA
来源
2007 INFORMATION THEORY AND APPLICATIONS WORKSHOP | 2007年
关键词
D O I
暂无
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
Cognitive radio is a candidate technology for more efficient spectrum utilization systems based on opportunistic spectrum sharing. Because this new technology does not rely on traditional license-based spectrum allocation policies, it could disrupt existing systems if the spectrum utilization decision is based on unreliable spectral estimation. Distributed sensing methods have the potential to increase the spectral estimation reliability and decrease the probability of interference of cognitive radios to existing radio systems. In this paper, we consider different aspects of the processing and fusion of spectrum sensing information of cognitive radio systems. The use of cyclic feature-based methods for distributed signal detection and classification is discussed and recent results are presented.
引用
收藏
页码:118 / +
页数:2
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