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Efficient Spectrum Allocation Method for Cognitive Radio in IEEE 802.22 WRAN  

Kim, Joo-Seok (충북대학교 전기전자 및 컴퓨터공학부 정보통신공학과)
Kim, Kyung-Seok (충북대학교 전기전자 및 컴퓨터공학부 정보통신공학과)
Park, Woo-Goo (한국전자통신연구원 이동통신연구단)
Kim, Jin-Up (한국전자통신연구원 이동통신연구단)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.31, no.12B, 2006 , pp. 1068-1075 More about this Journal
Abstract
Frequency resource value is growing bigger more with the development of the wireless communication. But Frequency shortage phenomenon is risen seriously because the need of Frequency resource is very many compared with the supply in an information society of the future. So we need Cognitive technique Radio which is taking the attention recently to use Frequency resource not to be not using efficiently. We propose efficient Dynamic Spectrum Allocation method in IEEE a 802.22 WRAN environment of CR foundation in this paper. To share spectrum more efficiently, we presented some Dynamic Spectrum Allocation technique to apply the Variable bandwidth, Mobility and verified this through the result of the simulations.
Keywords
Cognitive radio; Dynamic spectrum allocation; IEEE 802.22;
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