The Journal of Korean Institute of Communications and Information Sciences (한국통신학회논문지)

The Korean Institute of Commucations and Information Sciences (한국통신학회)
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STBC-OFDM Decoding Method for Fast-Fading Channels

  • Lee, Kyu-In (School of Electrical and Electronic Engineering, Chung-Ang Univ.) ;
  • Kim, Jae-Kwon (Computer and Telecom. Engineering, Yonsei Univ.) ;
  • Cho, Yong-Soo (School of Electrical and Electronic Engineering, Chung-Ang Univ.)
  • Published : 2007.02.28
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Abstract

In this paper, we propose a novel signal detection method that achieves the maximum likelihood (ML) performance but requires much less computational complexity than the ML detection. When the well-known linear decoding method is used for space-time block coded (STBC) OFDM systems in fast-fading channels, co-channel interference (CCI) as well as inter-carrier interference (ICI) occurs. A maximum likelihood (ML) method can be employed to deal with the CCI; however, its computational complexity is very high. In this paper, we propose a signal detection method for orthogonal space-time coded OFDM systems that achieves the similar error performance as the ML method, but requires much less computational complexity.

Keywords

References

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