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Cognitive Radio Network ? Review
Journal: International Journal of Science and Research (IJSR) (Vol.3, No. 9)Publication Date: 2014-09-05
Authors : Rayan Nabil Hassan Abd Elrahman; Khalid Hamid;
Page : 806-808
Keywords : Cognitive Radio Network CRN; Wireless Networks; Adaptation; Primary User PU; Secondary User SU; Dynamic Spectrum Access DSA; Software Defined Radio SDR;
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Abstract
the cognitive radio network came to solve the spectrum scarcity problem, through arrival of the unauthorized users (secondary user) to the unlicensed spectrum to take advantage of the unused spectrum avoiding interference with authorized users (Primary User), thus all spectrum is used.
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