The Application of Distributed Spectrum Sensing and Available Resource Maps to Cognitive Radio Systems

被引：0
|
作者：
da Silva, Claudio R. C. M. [1 ]
Headley, William C. [1 ]
Reed, Jesse D. [1 ]
Zhao, Youping [1 ]
机构：
[1] Virginia Polytech Inst & State Univ, Bradley Dept Elect & Comp Engn, Wireless Virginia Tech, Blacksburg, VA 24061 USA
来源：
2008 INFORMATION THEORY AND APPLICATIONS WORKSHOP | 2008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：
In order for cognitive radio systems to fulfill their potential of enabling more efficient spectrum utilization by means of opportunistic spectrum use, significant advances must be made in the areas of spectrum sensing and "cognitive" spectrum access. In this paper, we discuss two research efforts relevant to these areas; namely the development of distributed (cyclic feature-based) spectrum sensing algorithms and of available resource maps-based cognitive radio systems. It is shown that distributed spectrum sensing is a practical and efficient approach to increase the probability of signal detection and correct modulation classification and/or to reduce sensitivity requirements of individual radios. Additionally, numerical results are presented that show significant reduction of harmful interference and greater spectrum utilization efficiency of available resource maps-based cognitive radio systems.
引用
收藏
页码：75 / 79
页数：5
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