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Conference Paper 시변 페이딩 채널에서의 부호화된 MIMO-OFDM 시스템을 위한 저 복잡도 LMMSE 반복수신기
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Authors
신우람, 임광재, 권동승
Issue Date
2010-06
Citation
대한전자공학회 종합 학술 대회 (하계) 2010, pp.988-991
Publisher
대한전자공학회
Language
Korean
Type
Conference Paper
Abstract
In orthogonal frequency division multiplexing (OFDM) transmission, the time-varying effect gives rise to inter-carrier interference (ICI) degrading error performance due to orthogonality destruction, particularly, the influence of ICIs is more poignant when deploying multiple antennas since they are generated in proportion to the number of transmit antennas. In order to resolve this problem, we propose linear minimum mean square error (LMMSE) iterative receivers which provide good performance closed to matched filter bound with considerable computational complexity reduction.
KSP Keywords
Inter-carrier Interference, Linear minimum mean square error(LMMSE), Matched filter bound(MFB), Minimum Mean Square Error(MMSE), Multiple input multiple output orthogonal frequency division multiplexing(MIMO-OFDM), Orthogonal Frequency-Division Multiplexing(OFDM), Time-varying effect, computational complexity reduction, error performance, iterative receiver, matched filter(MF)