標題: Theory and design of near-optimal MIMO OFDM transmission system for correlated multipath Rayleigh fading channels
作者: Hung, Kun-Chien
Lin, David W.
電子工程學系及電子研究所
電信研究中心
Department of Electronics Engineering and Institute of Electronics
Center for Telecommunications Research
關鍵字: frequency-domain equalization;multi-input multi-output (MIMO);orthogonal frequency-division multiplexing (OFDM);precoding;space-time coding;turbo equalization
公開日期: 1-Jun-2007
摘要: 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 interleayer 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.
URI: http://hdl.handle.net/11536/10761
ISSN: 1229-2370
期刊: JOURNAL OF COMMUNICATIONS AND NETWORKS
Volume: 9
Issue: 2
起始頁: 150
結束頁: 158
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