A Survey of Spectrum Sensing Algorithms for Cognitive Radio Applications

被引：2964

作者：

Yucek, Tevfik ^{[1
]}

Arslan, Hueseyin ^{[2
]}

机构：

[1] Atheros Commun Inc, Santa Clara, CA 95054 USA

[2] Univ S Florida, Dept Elect Engn, Tampa, FL 33620 USA

来源：

IEEE COMMUNICATIONS SURVEYS AND TUTORIALS | 2009年 / 11卷 / 01期

关键词：

Cognitive radio; spectrum sensing; dynamic spectrum access; multi-dimensional spectrum sensing; cooperative sensing; radio identification;

D O I：

10.1109/SURV.2009.090109

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

The spectrum sensing problem has gained new aspects with cognitive radio and opportunistic spectrum access concepts. It is one of the most challenging issues in cognitive radio systems. In this paper, a survey of spectrum sensing methodologies for cognitive radio is presented. Various aspects of spectrum sensing problem are studied from a cognitive radio perspective and multi-dimensional spectrum sensing concept is introduced. Challenges associated with spectrum sensing are given and enabling spectrum sensing methods are reviewed. The paper explains the cooperative sensing concept and its various forms. External sensing algorithms and other alternative sensing methods are discussed. Furthermore, statistical modeling of network traffic and utilization of these models for prediction of primary user behavior is studied. Finally, sensing features of some current wireless standards are given.

引用

页码：116 / 130

页数：15

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