Journal of the Korean Society for Railway (한국철도학회논문집)

The Korean Society for Railway (한국철도학회)
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On the Performance of STBC/Beamforming Systems for High Speed Trains

고속 열차를 위한 다중안테나 시스템 성능 분석

  • 이철진 (인하대학교 정보통신공학과) ;
  • 신승훈 (인하대학교 UWB-RC 연구원) ;
  • 최규형 (한국철도기술연구원 전기신호연구본부) ;
  • 황현철 (인하대학교 전자공학과) ;
  • 곽경섭 (인하대학교 정보통신공학과)
  • Published : 2004.12.01
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Abstract

Recently, MIMO communications are regarded as one of the most promising emerging wireless technologies. This paper investigates MIMO wireless systems and their applications in a railway communication system. We firstly discuss railway communication environments including propagation characteristics and radio channel modeling. Next, we consider channel estimate methods, which is a crucial issue under rapidly varying channel condition due to the movement of trains. Channel estimation methods for MIMO systems are addressed and the effect of estimation error is studied. We also have performed simulations for transmit beamforming system and STBC(Space-time block coding) to investigate the performance of MIMO schemes in railway systems.

Keywords

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