Journal of the Institute of Electronics Engineers of Korea TC (대한전자공학회논문지TC)

The Institute of Electronics and Information Engineers (대한전자공학회)
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Improved ABAB Type Quasi-orthogonal Space-Time Block Codes

개선된 ABAB 형 준직교 시공간 블록 부호

  • Kim, Chang-Joong (School of Electronic and Information and Communication Engineering Hongik University) ;
  • Yeo, Seung-Jun (School of Electronic and Information and Communication Engineering Hongik University) ;
  • Lee, Ho-Kyoung (School of Electronic and Information and Communication Engineering Hongik University)
  • 김창중 (홍익대학교 전자정보통신공학부) ;
  • 여승준 (홍익대학교 전자정보통신공학부) ;
  • 이호경 (홍익대학교 전자정보통신공학부)
  • Published : 2009.04.25
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Abstract

In this paper, we propose the design criteria of the pre-processing scheme used in ABAB type quasi-orthogonal space-time block code(QOSTBC) and derive. The proposed design criteria show how to obtain full-diversity and full-rate (FDFR) property, single-symbol decodability, and increased coding gam. We design an improved ABAB type QOSTBC using the proposed design criteria. The desinged QOSTBC has a superior performance to Dalton's QOSTBC and inherits the merits of Dalton's QOSTBC, which are FDFR property, and single symbol decodability for PAM signal constellation.

본 논문에서는 ABAB 형 준직교 시공간 부호(Quasi-Orthogonal Space-Time Block Code; QOSTBC)에 사용되는 전처리 과정을 설계하는 조건을 제안하였다. 본 논문에서 제안한 설계 조건은 최대 다이버시티 및 최대 전송율(Full Diversity and Full Rate; FDFR), 단일 심볼 복호 능력, 향상된 부호 이득을 얻을 수 있는 방법을 제공한다. 또한 본 논문에서는 제안된 설계 조건을 이용하여 개선된 ABAB 형 QOSTBC를 설계하였다. 이 QOSTBC는 기존에 Dalton이 제안했던 ABAB 형 QOSTBC 부호 보다 뛰어난 성능을 가질 뿐 아니라, 동일하게 FDFR을 충족하며, PAM 신호 성좌가 사용되는 경우, 단일 심볼 복호가 가능하다.

Keywords

References

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