吉林大学学报(工学版)

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Tomlinson-Harashima precoder design for MIMO channels with inaccurate channel state information at transmitter

Xi Jia-xi,Fang Chao-xi,Wang Zong-xin   

  1. Department of Communication Science and Engineering, Fudan University, Shanghai 200433, China
  • Received:2006-10-19 Revised:2007-04-18 Online:2008-01-01 Published:2008-01-01
  • Contact: Xi Jia-xi

Abstract: Precoding can be used in MIMO communication system to combat inter-symbol interference. The performance of precoding is related with the channel state information at transmitter. The difference between channel state information at transmitter and true channel state information should be considered in design. In this paper, a new TomlinsonHarashima (TH) precoding scheme which considers the difference is proposed. The results of simulation show that this new THP outperforms the conventional MMSE-THP.

Key words: communication, MIMO, precoding, channel state information, Bayes

CLC Number: 

  • TN941.4
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