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Sudan | Electronics Communication Engineering | Volume 3 Issue 9, September 2014 | Pages: 806 - 808
Cognitive Radio Network ? Review
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.
Keywords: Cognitive Radio Network CRN, Wireless Networks, Adaptation, Primary User PU, Secondary User SU, Dynamic Spectrum Access DSA, Software Defined Radio SDR
How to Cite?: Rayan Nabil Hassan Abd Elrahman, Dr. Khalid Hamid, "Cognitive Radio Network ? Review", Volume 3 Issue 9, September 2014, International Journal of Science and Research (IJSR), Pages: 806-808, https://www.ijsr.net/getabstract.php?paperid=SEP14175, DOI: https://dx.doi.org/10.21275/SEP14175