Journal of Communications and Networks

  • 제14권3호
  • /
  • Pages.273-279
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  • 2012
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  • 1229-2370(pISSN)
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  • 1976-5541(eISSN)
한국통신학회 (The Korean Institute of Commucations and Information Sciences)
권호 표지

Iterative Interstream Interference Cancellation for MIMO HSPA+ System

  • Yu, Hyoug-Youl (School of Information and Communication, Korea University) ;
  • Shim, Byong-Hyo (School of Information and Communication, Korea University) ;
  • Oh, Tae-Won (School of Information and Communication, Korea University)
  • 투고 : 2011.06.05
  • 심사 : 2012.04.18
  • 발행 : 2012.06.30
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초록

In this paper, we propose an iterative interstream interference cancellation technique for system with frequency selective multiple-input multiple-output (MIMO) channel. Our method is inspired by the fact that the cancellation of the interstream interference can be regarded as a reduction in the magnitude of the interfering channel. We show that, as iteration goes on, the channel experienced by the equalizer gets close to the single input multiple output (SIMO) channel and, therefore, the proposed SIMO-like equalizer achieves improved equalization performance in terms of normalized mean square error. From simulations on downlink communications of $2{\times}2$ MIMO systems in high speed packet access universal mobile telecommunications system standard, we show that the proposed method provides substantial performance gain over the conventional receiver algorithms.

키워드

과제정보

연구 과제 주관 기관 : National Research Foundation (NRF)

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