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Advanced sensing techniques of energy detection in cognitive radios

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5 Author(s)
Wang, Hano ; Information and Telecommunication Lab., Department of Electrical and Electronic Engineering, Yonsei University 134 Shinchon-dong Seodaemungu, Seoul, Korea, 120-749 ; Noh, Gosan ; Kim, Dongkyu ; Kim, Sungtae
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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.

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Communications and Networks, Journal of  (Volume:12 ,  Issue: 1 )