International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Call for Papers | Fully Refereed | Open Access | Double Blind Peer Reviewed

ISSN: 2319-7064


Downloads: 142 | Views: 263

Research Paper | Electronics & Communication Engineering | Sudan | Volume 6 Issue 4, April 2017 | Popularity: 6.3 / 10


     

Spectrum Management Using Cognitive Radio Network

Hassan Fath Elrahman Osman, Ashraf Qasim Elsid Abdalla


Abstract: In recent years, the demand for radio spectrum for wireless communication is growing due to increase in number of users and popularity of data and multimedia services. This has been observed in the recent auctions completed word wide for the vestige of radio spectrum. The radio spectrum has been assigned to different services and it is very much difficult for the emerging wireless technologies to get entry due to rigid spectrum policy and heavy opportunity cost. The inefficient prevailing spectrum management causes the artificial spectrum scarcity. The measurement campaigns conducted worldwide have confirmed this by showing that the considerable amount of radio spectrum is underutilized. Dynamic Spectrum Access (DSA) and the spectrum reframing are the two viable solutions for the problem of spectrum scarcity. In DSA, unlicensed user opportunistically uses the vacant licensed spectrum with the help of Cognitive Radio. Cognitive Radio is a key enabling technology for DSA. In Cognitive Radio paradigm, secondary user (SU) i. e. unlicensed user locate the vacant licensed spectrum of licensed user i. e. Primary user (PU) and uses it without harmful interference to the PUs. The secondary use of licensed spectrum provides efficient use of spectrum. Spectrum reframing means the recovery of spectrum from its existing users for the purpose of re-assignment, either for new uses, or for the introduction of new spectrally efficient Technologies. The aim of this paper to evaluate spectrum management using cognitive radio network.


Keywords: DSA, SU, PU


Edition: Volume 6 Issue 4, April 2017


Pages: 312 - 320



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Hassan Fath Elrahman Osman, Ashraf Qasim Elsid Abdalla, "Spectrum Management Using Cognitive Radio Network", International Journal of Science and Research (IJSR), Volume 6 Issue 4, April 2017, pp. 312-320, https://www.ijsr.net/getabstract.php?paperid=ART20172177, DOI: https://www.doi.org/10.21275/ART20172177



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