Proceedings of the IEEK Conference (대한전자공학회:학술대회논문집)

The Institute of Electronics and Information Engineers (대한전자공학회)
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An Equalization Technique for OFDM Systems in Indoor Wireless Channel

실내 무선 채널에서 OFDM시스템의 등화 기법

  • 한문용 (연세대학교 전기전자공학과) ;
  • 이영진 (연세대학교 전기전자공학과) ;
  • 김근희 (연세대학교 전기전자공학과) ;
  • 서종수 (연세대학교 전기전자공학과)
  • Published : 2001.06.01
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Abstract

Recently, as demands for super-high speed broad band wireless multimedia service increase, variable researches to develop wireless LAN have been carried out. In this paper, we propose and analyze LS(Least Squares)-PSA(Pilot Symbol Assisted) equalizer which compensates for each subcarrier of different attenuations and phase response for OFDM(Orthogonal Frequency Division Multiplexing)-based indoor wireless LAN systems. The proposed equalizer enhances the $E_{b}$ $N_{o}$ performance of 3dB and 4dB at BER=10$^{-2}$ as compared with LS equalizer in AWGN channel and indoor wireless channel respectively..

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