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The Korean Institute of Commucations and Information Sciences (한국통신학회)
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다중홉 릴레이 시스템에서의 협력 통신

  • Published : 2007.05.31
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Abstract

본 고에서는 셀룰러 이동망에서 다중 홉 릴레이를 도입할 때 셀 경계 및 릴레이 노드의 서비스 영역 경계에서의 서비스 불능 성능을 향상시키기 위한 방안으로서 다이버시티 이득을 제공할 수 있는 협력 통신 방식에 대해서 살펴본다. 협력 통신의 기본 개념과 관련 요소 기술들을 살펴보고, 특히 협력 통신을 고려한 다양한 전송 프로토콜들의 특성을 분석한다. 또한, IEEE 802.16e 규격의 IP-OFDMA기반 광대역 이동 액세스 망에서 이와 같은 협력 통신을 적용할 때 시스템 레벨의 성능 분석 결과를 고찰하고, 실제 시스템에서의 고려 사항에 대해서 살펴본다.

Keywords

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