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The Korean Institute of Commucations and Information Sciences (한국통신학회)
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다중안테나 기술

  • Published : 2005.09.01
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Abstract

다중안테나 (multiple-input multiple-output: MIMO) 시스템의 장점은 단일안테나에 비해서추가적인 주파수나 송신 전력을 증가시키지 않고 채널 용량을 안테나 수에 비례하여 증가시킬 수 있는 것이다. 본 논문에서는 다중 안테나 시스템의 이론적 용량을 살펴보고, 이를 달성하기 위한 기법들을 소개한다. 다중안테나 기법은 다이버시티 이득을 얻어 전송 신뢰도를 높이는 방식들과, 전송률을 높이는 공간 다중화 방식, 그리고 이 두 가지를 결합한 방식 등으로 크게 나눌 수 있다. 끝으로 휴대 인터넷에 사용되는 다중안테나 기술을 다룬다.

Keywords

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