Journal of Communications and Networks

  • 제9권2호
  • /
  • Pages.150-158
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  • 2007
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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

Theory and Design of Near-Optimal MIMO OFDM Transmission System for Correlated Multipath Rayleigh Fading Channels

  • Hung, Kun-Chien (Department of Electronics Engineering, and Center for Telecommunications Research, National Chiao Tung University) ;
  • Lin, David W. (Department of Electronics Engineering, and Center for Telecommunications Research, National Chiao Tung University)
  • 발행 : 2007.06.30
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초록

We consider channel-coded multi-input multi-output (MIMO) orthogonal frequency-division multiplexing (OFDM) transmission and obtain a condition on its signal for it to attain the maximum diversity and coding gain. As this condition may not be realizable, we propose a suboptimal design that employs an orthogonal transform and a space-frequency interleaver between the channel coder and the multi-antenna OFDM transmitter. We propose a corresponding receiving method based on block turbo equalization. Attention is paid to some detailed design of the transmitter and the receiver to curtail the computational complexity and yet deliver good performance. Simulation results demonstrate that the proposed transmission technique can outperform the conventional coded MIMO OFDM and the MIMO block single-carrier transmission with cyclic prefixing.

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