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- W2077389620 abstract "본 논문에서는 Coordinated multi-point (CoMP) Coordinated scheduling/Coordinated beamforming (CS/CB) Precoding matrix indicator (PMI) 시나리오에서, 제한된 위상 피드백을 바탕으로 단말의 수신 Signal-to-interference-plus-noise ratio (SINR)을 최대화하는 송신기의 프리코더를 제안한다. 특히, 다중 생 환경에서 외부셀을 고려하여 기존 프리코딩 기법을 개선 한다. 먼저 서빙 셀의 신호를 최대화하는 프리코딩 행렬 뿐 아니라 협력 셀의 신호를 최소화하는 프리코딩 행렬을 설계하여 수신 SINR을 최대화한다. 또한 제한된 bits 피드백 조건에서 활용할 수 있는 PMI 기법을 제시한다. 끝으로 시뮬레이션을 통해 CoMP CS/CB PMI 시나리오 하에서 본 논문에서 제시된 프리코더의 성능을 명가하고 다른 프리코더의 성능과 비교한다. In this paper, a precoder based on limited phase feedback is proposed to maximize user's receive signal-to-interference-plus-noise ratio (SINR) in coordinated multi-point (CoMP) coordinated scheduling / coordinated beamforming (CS/CB) precoding matrix indicator (PMI) scenario. Most conventional precoding techniques based on limited phase feedback have been considered in a single-cell environment. However, considering neighboring cells in a multi-cell environment, we enhance the conventional preocoding. method. First, to maximize receive SINR, precoding matrices are designed to maximize the serving cell's signal and to minimize the coordinated cells' signal. Also, a precoder which can be used in a limited bit feedback condition is suggested. Finally, the proposed precoder's performance is evaluated and compared with some other precoding techniques by using simulation under the CoMP CS/CB PMI scenario." @default.
- W2077389620 created "2016-06-24" @default.
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- W2077389620 date "2011-09-30" @default.
- W2077389620 modified "2023-09-26" @default.
- W2077389620 title "A Limit-Phase-Feedback-based Precoding Technique for CoMP" @default.
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- W2077389620 doi "https://doi.org/10.7840/kics.2011.36a.9.784" @default.
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