Turbo Equalization for Doubly-Selective MIMO Fading Channels using Exponential Basis Models

被引:0
|
作者
Kim, Hyosung [1 ]
Tugnait, Jitendra K. [1 ]
机构
[1] Auburn Univ, Dept Elect & Comp Engn, Auburn, AL 36849 USA
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中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
We present an adaptive soft-input soft-output (SISO) turbo equalization receiver for doubly-selective multiple-input-multiple-output (MIMO) channels. The proposed receiver exploits the complex exponential basis expansion model (CE-BEM) for the overall channel variations, and an autoregressive (AR) model for the BEM coefficients. We extend an existing single-user turbo equalization approach based on symbol-wise AR modeling of channels to multiuser/MIMO channels based on BEMs. Simulation examples demonstrate that our CE-BEM-based approach has superior performance over a symbol-wise AR model-based turbo equalizer.
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页码:21 / 25
页数:5
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