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

The Institute of Electronics and Information Engineers (대한전자공학회)
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The Performance Analysis and Comparison of The MIMO-OFDM Scheme Applied to Pre-coding, Antenna Subset Selection and AMC for 4G Communication System

4G 통신시스템 기반의 Pre-coding과 Antenna Subset Selection, AMC 기법을 적용한 각 MIMO-OFDM 기법의 성능 분석 및 비교

  • 조인식 (전남대학교 전자컴퓨터공학과) ;
  • 서창우 (전남대학교 전자컴퓨터공학과) ;
  • 윤길상 (전남대학교 전자컴퓨터공학과) ;
  • 이정환 (전남대학교 전자컴퓨터공학과) ;
  • 황인태 (전남대학교 전자컴퓨터공학과)
  • Published : 2010.03.25
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Abstract

In this paper, we have analyzed and compared the BER and the throughput performance through the computer simulation, after applying several MIMO schemes on the MIMO-OFDM system. Then, the throughput performance of the proposed system, Adaptive-MCM, is analyzed. As a result, the MIMO-OFDM Adaptive-MCM system proposed has a higher average data rate than Non Adaptive-MCM system through the improvement of Trade-off problem between throughput and SNR.

본 논문에서는 MIMO-OFDM 시스템에 여러 MIMO 기법을 적용한 후 모의실험을 통하여 성능을 비교 및 분석하였고, 또한 Pre-coding, Antenna Subset Selection, AMC 기법을 적용하여 시스템을 분석하였다. 그리고 최종적으로 제안한 Adaptive-MCM(Adaptive-MIMO-Coding-Modulation) 기법의 성능을 분석하였다. 그 결과 4세대 이동통신 시스템에서 요구되고 있는 최대 전송률과 고품질 서비스의 Trade-off 관계를 개선할 수 있음을 확인하였다.

Keywords

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