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Dynamic Downlink Resource Management of Femtocells Using Power Control in OFDMA Networks
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OFDMA 펨토셀 환경에서 전력 제어를 이용한 동적 하향링크 자원관리 방법

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Type
Academic journal
Author
Sangtae Lee (성균관대학교) Chunsoo Ahn (성균관대학교) Jitae Shin (성균관대학교)
Journal
Korea Institute Of Communication Sciences The Journal of Korean Institute of Communications and Information Sciences Vol.37 No.5 KCI Accredited Journals SCOPUS
Published
2012.5
Pages
339 - 347 (9page)

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Dynamic Downlink Resource Management of Femtocells Using Power Control in OFDMA Networks
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Abstract· Keywords

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Femtocells as home base station for indoor coverage extension and wideband data service, have been studied with significant interests. When femtocell is deployed, the existing cell structural of changes causes various technical problems. In this paper, we investigate the femto-macro cell interference mitigation in OFDMA system. We propose dynamic downlink resource management scheme which adjust the transmitted power of femtocell according to the strength of received macrocell signal and allocates subcarrier to femtocells in a dynamic manner. In this way, the interference between the macrocell users and femtocells is reduced. The simulation results show that proposed scheme enhances both macrocell and femtocell throughputs.
#Femtocell #Interference Management #OFDMA #Power Control #펨토셀 #간섭관리 #직교 주파수 다중 분할방식 #전력제어

Contents

요약
ABSTRACT
I. 서론
II. 시스템 모델 과 문제 정의
III. 제안한 동적 자원관리 방법
IV. 시뮬레이션 결과
V. 결론
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