ETRI-Knowledge Sharing Plaform



특허 검색
구분 출원국
출원년도 ~ 키워드


등록 후보 벡터 선택 방법 및 송신 심볼 검출 방법

후보 벡터 선택 방법 및 송신 심볼 검출 방법
이미지 확대
박형숙, 이훈, 최정필, 이영하, 허훈, 방승재, 박윤옥, 김재권, 우현명, 방영조
12141539 (2008.06.18)
20090135947 (2009.05.28)
8054909 (2011.11.08)
The present invention relates to a method of detecting a candidate vector and a method of detecting a transmission symbol using the same. According to an embodiment of the present invention, in a multiple input multiple output (MIMO) system using spatial multiplexing (SM), a receiver selects candidate vectors corresponding to a layer located at a last row among a plurality of rearranged layers, and sequentially ranks constellation dots of a next layer for each of the selected candidate vectors. Then, a plurality of arbitrary constellation dots are selected from the ranked constellation dots, accumulated costs of the arbitrary constellation dots are calculated, and a candidate vector is selected in correspondence with a constellation dot having a minimal accumulated cost. Then, a new arbitrary constellation dot is selected in place of the constellation dot selected as the candidate vector, an accumulated cost of the selected arbitrary constellation dot is compared with accumulated costs of the other arbitrary constellation dots, and another candidate vector is selected.
KSP 제안 키워드
Multiple input multiple output(MIMO), multiple-input, multiple-input-multiple-output (MIMO) systems, multiple-output, spatial multiplexing(SMX)