대한전자공학회:학술대회논문집 (Proceedings of the IEEK Conference)

대한전자공학회 (The Institute of Electronics and Information Engineers)
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신뢰성 정규화를 기반으로 한 개선된 V-BLAST 수신기 구조에 관한 연구

An Improved V-BLAST Receiver based on Relibability Normalization

  • 김현국 (한국정보통신대학교 공학부) ;
  • 박현철 (한국정보통신대학교 공학부)
  • Kim, Hyoun-Kuk (School of Engineering, Information and Communications University) ;
  • Park, Hyun-Cheol (School of Engineering, Information and Communications University)
  • 발행 : 2004.06.01
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초록

We present an improved V-BLAST receiver that cancels co-channel interference (CCI), based on reliability normalization over frequency-selective channels, in log-likelihood ratio (LLR) sense. The performance has been evaluated in the exponential decay channel model with various normalized ms delay spread and different filter taps. It is also compared with the ordered successive interference cancellation-decision feedback equalizer (OSIC-DFE). Simulation results show that the performance of the proposed receiver with (2,1) is close to OSIC-DFE with (6,3) at normalized ms delay spread 0.5 symbol periods.

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