Performance limits of coded diversity methods for transmitter antenna arrays

被引：96

作者：

Narula, A

Trott, MD

Wornell, GW

机构：

[1] MIT, Lincoln Lab, Lexington, MA 02420 USA

[2] ArrayComm Inc, San Jose, CA 95134 USA

[3] MIT, Dept Elect Engn & Comp Sci, Cambridge, MA 02139 USA

[4] MIT, Elect Res Lab, Cambridge, MA 02139 USA

来源：

IEEE TRANSACTIONS ON INFORMATION THEORY | 1999年 / 45卷 / 07期

基金：

美国国家科学基金会;

关键词：

antenna arrays; antenna precoding; capacity; diversity; fading channels; Gaussian channels; outage probability; wireless communication;

D O I：

10.1109/18.796381

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Several aspects of the design and optimization of coded multiple-antenna transmission diversity methods for slowly time-varying channels are explored from an information-theoretic perspective. Both optimized vector-coded systems, which can achieve the maximum possible performance, and suboptimal scalar-coded systems, which reduce complexity by exploiting suitably designed linear precoding, are investigated, The achievable rates and associated outage characteristics of these spatial diversity schemes are evaluated and compared, both for the case when temporal diversity is being jointly exploited and for the case when it is not, Complexity and implementation issues More generally are also discussed.

引用

页码：2418 / 2433

页数：16

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