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- W2187441024 abstract "The radio frequency spectrum is a limited natural resource and it’s getting crowded day by day due to massive entry of wireless services. Most spectrum bands are allotted to certain services but with insufficient spectrum resource utilization led to an apparent scarcity of usable radio spectrum. Morover there are large spatial and timed variation in spectrum utilization. In the development of future wireless system, Cognitive Radio (CR) is regarded as an emerging technology to utilize the scarce natural resource and its efficient use is of the utmost importance. One of the major elements of cognitive radio applications are spectrum sensing. Spectrum sensing schemes which detects the presence of primary user in a licensed spectrum is the fundamental task in cognitive radio to identify spectrum opportunities reliably and optimally. In this literature we propose several signal detection techniques for spectrum sensing in order to identify idle spectrum so that CR user can use those underutilized spectrum band opportunistically without creating harmful interference to the primary user. This article provides thorough understanding of signal detection techniques for spectrum sensing in CR system and future trends in this area." @default.
- W2187441024 created "2016-06-24" @default.
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- W2187441024 date "2014-01-01" @default.
- W2187441024 modified "2023-09-27" @default.
- W2187441024 title "A COMPREHENSIVE STUDY OF SIGNAL DETECTION TECHNIQUES FOR SPECTRUM SENSING IN COGNITIVE RADIO" @default.
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