Multiple antenna systems: Their role and impact in future wireless access

被引：35
|
作者：
Blostein, SD [1 ]
Leib, H
机构：
[1] Queens Univ, Dept Elect & Comp Engn, Kingston, ON K7L 3N6, Canada
[2] McGill Univ, Dept Elect & Comp Engn, Montreal, PQ H3A 2T5, Canada
来源：
IEEE COMMUNICATIONS MAGAZINE | 2003年 / 41卷 / 07期
关键词：
D O I：
10.1109/MCOM.2003.1215645
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：
Multiple antennas play an important role in improving radio communications. In view of this role, the area of multiple antenna communication systems is in the forefront of wireless research. This article reviews two key related aspects of multiple antenna communication systems: multiple access interference mitigation-at the receiver via multi-user beamforming; and space-time modulation and coding for MIMO systems. It is shown that both multi-user and MIM-O receivers share similar signal processing and complexity tradeoffs. Following that, a general unified framework for assessing different types of space-time modulation for MIMO systems is introduced. These, space-time modulation methods are then compared in terms of Shannon capacity over multipath channels. Key MIMO system performance and implementation issues are also, highlighted.
引用
收藏
页码：94 / 101
页数：8
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