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A Study of Radio Wave Propagation Criterion for the Cognitive Radio System using Interference Analysis in Broadcasting Band  

Choi, Joo-Pyoung (숭실대학교 정보통신공학과 통신신호처리 연구실)
Duy, Vo Quoc (숭실대학교 정보통신공학과 통신신호처리 연구실)
Lee, Won-Cheol (숭실대학교 정보통신공학과 통신신호처리 연구실)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.34, no.12A, 2009 , pp. 1014-1022 More about this Journal
Abstract
In this paper, interference analysis is carried out to obtain the operating criterion and coexistence condition between digital television devices and cognitive radio-based mobile wimax devices in the UHF (Ultra High Frequency) broadcasting frequency bands. To this end, an efficient interfering calculation tool known as SEAMCAT (Spectrum Engineering Advanced Monte-Carlo Analysis Tool) is employed to acquire the coexistence criterions between heterogeneous radio links operating in the same portion of spectrum. As a result, these criterions will be used to achieve interference temperature limit level applied to interference temperature model for analyzing the capacity of cognitive radio receivers accurately.
Keywords
Cognitive Radio; Coexistence; Interference Temperature; Interference Analysis;
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