Volume 5, Issue 2 (6-2013)                   IJICTR 2013, 5(2): 19-26 | Back to browse issues page

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Aliasgari M, Fakhraie S M. Deep Out-of-Band Radiation Reduction By Using Joint Filterbank and Cancellation Carriers in Cognitive Radios . IJICTR. 2013; 5 (2) :19-26
URL: http://ijict.itrc.ac.ir/article-1-156-en.html
1- School of Electrical and Computer Engineering, College of Engineering University of Tehran Tehran –Iran
2- School of Electrical and Computer Engineering, College of Engineering University of Tehran Tehran- Iran
Abstract:   (1362 Views)

A deep spectrum sculpting is necessary to enable coexistence between a cognitive radio (CR) user and a licensed user which has low dynamic range and is susceptible to interferences. In this paper, we propose to use joint filter-bank based multicarrier system and cancellation carriers to guarantee an almost free out-of-band interference transmission and keep the quality of services of licensed adjacent bands unchanged. We investigate the performance of the proposed method with different well-known existing methods from viewpoints of the average level of out-ofband power, spectral efficiency, and computational complexity.

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Type of Study: Research | Subject: Information Technology

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