Journal of Communications and Networks

The Korean Institute of Commucations and Information Sciences (한국통신학회)
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Advanced Sensing Techniques of Energy Detection in Cognitive Radios

  • Wang, Han-O (Information and Telecommunication Lab., Department of Electrical and Electronic Engineering, Yonsei University) ;
  • Noh, Go-San (Information and Telecommunication Lab., Department of Electrical and Electronic Engineering, Yonsei University) ;
  • Kim, Dong-Kyu (Information and Telecommunication Lab., Department of Electrical and Electronic Engineering, Yonsei University) ;
  • Kim, Sung-Tae (Information and Telecommunication Lab., Department of Electrical and Electronic Engineering, Yonsei University) ;
  • Hong, Dae-Sik (Information and Telecommunication Lab., Department of Electrical and Electronic Engineering, Yonsei University)
  • Published : 2010.02.28
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Abstract

Recently, spectrum sensing has been intensively studied as a key technology in realizing the cognitive radio. There have been advances in the performance of spectrum sensing through both multi-antenna and cooperative sensing schemes. In this paper, the performances and complicated scenarios of the latest spectrum sensing schemes are analytically compared and arranged into a technical tree while considering practical concerns. This paper will give a macroscopic view of spectrum sensing and will also provide insight into future spectrum sensing works.

Keywords

References

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