Theory and design of near-optimal MIMO OFDM transmission system for correlated multipath rayleigh fading channels

Kun Chien Hung*, David W. Lin

*Corresponding author for this work

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

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 MEMO block single-carrier transmission with cyclic prefixing.

Original languageEnglish
Pages (from-to)150-158
Number of pages9
JournalJournal of Communications and Networks
Volume9
Issue number2
DOIs
StatePublished - 1 Jan 2007

Keywords

  • Frequency-domain equalization
  • Multi-input multi-output (MIMO)
  • Orthogonal frequency-division multiplexing (OFDM)
  • Precoding
  • Space-time coding
  • Turbo equalization

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