13PI2800, Compact MIMO for dense mobile antenna arrays,
Lee Seung-Hwan
Abstract
본 발명의 실시 예에 따른 무선 신호 수신기는, 아날로그 무선 신호를 디지털 기저대역 신호로 변환하는 아날로그-디지털 변환기, 그리고 상기 디지털 기저대역 신호를 제 1 경로 신호와 제 2 경로 신호로 분리하여 처리하고, 상기 제 1 및 제 2 경로 신호들간의 상대적 샘플 지연 차이를 이용하여 복소 기저대역 신호를 추출하는 서브 샘플링 블록을 포함하되, 상기 제 1 경로 신호는 상기 디지털 기저대역 신호에 대한 샘플 지연과 샘플률을 조정한 신호이고, 상기 제 2 경로 신호는 상기 디지털 기저대역 신호에 대한 샘플 지연 또는 샘플률 조정없이 필터링된다.
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