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Interference Management with Block Diagonalization for Macro/Femto Coexisting Networks
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  • Interference Management with Block Diagonalization for Macro/Femto Coexisting Networks
  • Interference Management with Block Diagonalization for Macro/Femto Coexisting Networks
저자명
Jang. Uk,Cho. Kee-Seong,Ryu. Won,Lee. Ho-Jin
간행물명
ETRI journal
권/호정보
2012년|34권 3호|pp.297-307 (11 pages)
발행정보
한국전자통신연구원
파일정보
정기간행물|ENG|
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기타
이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

A femtocell is a small cellular base station, typically designed for use in a home or small business. The random deployment of a femtocell has a critical effect on the performance of a macrocell network due to co-channel interference. Utilizing the advantage of a multiple-input multiple-output system, each femto base station (FBS) is able to form a cluster and generates a precoding matrix, which is a modified version of conventional single-cell block diagonalization, in a cooperative manner. Since interference from clustered-FBSs located at the nearby macro user equipment (MUE) is the dominant interference contributor to the coexisting networks, each cluster generates a precoding matrix considering the effects of interference on nearby MUEs. Through simulation, we verify that the proposed algorithm shows better performance respective to both MUE and femto user equipment, in terms of capacity.