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- W3198799007 abstract "본 논문에서는 레일리 분포를 가지는 DFT 행렬 기반의 코드북에 LOS용 코드북을 라이시안 페이딩 채널에서 최소 거리를 최대화하는 조건에 맞게 결합, 새로운 하이브리드 코드북 설계 방법을 제안한다. 제안하는 코드북을 LTE 하향 링크 시스템에 적용, 기존의 DFT 행렬을 이용한 코드북과 제안하는 하이브리드 코드북의 성능을 분석한다. 하이브리드 코드북은 K값이 0.28~0.99인 경우, 가장 우수한 성능을 보이면서 레일리 페이딩 채널 및 LOS 성분이 강해지는 모든 경우에서 우수한 성능을 보인다. In this paper, we propose a novel hybrid codebook design method which combines DFT matrix based codebook for Rayleigh fading and LOS codebook for direct path. Link-level performances employing hybrid codebook outperform the ones employing the conventional codebooks when K-factor of Rician distribution is 0.28 to 0.99. Moreover hybrid codebook shows good performances over not only Rayleigh channel but also high K's Rician channels." @default.
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- W3198799007 date "2011-04-30" @default.
- W3198799007 modified "2023-09-30" @default.
- W3198799007 title "Performance Analysis of A Hybrid Codebook for LTE Downlink Relay Systems" @default.
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- W3198799007 doi "https://doi.org/10.5515/kjkiees.2011.22.4.462" @default.
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