Modeling and applications of space-time correlation for MIMO fading signals

被引：8

作者：

Chen, Po-Ying ^{[1
]}

Li, Hsueh-Jyh

机构：

[1] Sunplus mMobile Inc, Hsinchu 300, Taiwan

[2] Natl Taiwan Univ, Grad Inst Communicat Engn, Taipei 10617, Taiwan

[3] Natl Taiwan Univ, Dept Elect Engn, Taipei 10617, Taiwan

来源：

IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY | 2007年 / 56卷 / 04期

关键词：

channel modeling; multiple-input multiple-output (MIMO); space-time correlation (STC);

D O I：

10.1109/TVT.2007.897208

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：

In this paper, the space-time correlation (STC) functions of multiple-input multiple-output (MIMO) fading signals are derived for both frequency-flat and frequency-selective channels in macrocell and microcell environments. To avoid large computation load in calculating the exact STC, we recommend the concept of effective scatterers and provide simplified expressions of STC functions. The STC functions are used to calculate the coefficient matrices that are necessary for generating MIMO channels, when the vector autoregressive method is used. The analytical results are verified by Monte Carlo simulations. Finally, we use the generated channels to investigate MIMO capacities under various channel parameters and to evaluate the bit-error-rate performance of downlink wideband code-division-multiple-access system with transmit and receive diversity.

引用

页码：1580 / 1590

页数：11

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