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An Efficient Soft-Output MIMO Detection Method Based on a Multiple-Channel-Ordering Technique
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  • An Efficient Soft-Output MIMO Detection Method Based on a Multiple-Channel-Ordering Technique
  • An Efficient Soft-Output MIMO Detection Method Based on a Multiple-Channel-Ordering Technique
저자명
Im. Tae-Ho,Park. In-Soo,Yoo. Hyun-Jong,Yu. Sung-Wook,Cho. Yong-Soo
간행물명
ETRI journal
권/호정보
2011년|33권 5호|pp.661-669 (9 pages)
발행정보
한국전자통신연구원
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정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

In this paper, we propose an efficient soft-output signal detection method for spatially multiplexed multiple-input multiple-output (MIMO) systems. The proposed method is based on the ordered successive interference cancellation (OSIC) algorithm, but it significantly improves the performance of the original OSIC algorithm by solving the error propagation problem. The proposed method combines this enhanced OSIC algorithm with a multiple-channel-ordering technique in a very efficient way. As a result, the log likelihood ratio values can be computed by using a very small set of candidate symbol vectors. The proposed method has been synthesized with a 0.13-${mu}m$ CMOS technology for a $4{ imes}4$ 16-QAM MIMO system. The simulation and implementation results show that the proposed detector provides a very good solution in terms of performance and hardware complexity.