MIMO systems with antenna selection

被引：561
作者：
Molisch, AF
Win, MZ
机构：
[1] Mitsubishi Elect Res Labs, Cambridge, MA 02139 USA
[2] Lund Univ, Dept Electrosci, Lund, Sweden
[3] MIT, Informat & Decis Syst Lab, Cambridge, MA 02139 USA
来源：
IEEE MICROWAVE MAGAZINE | 2004年 / 5卷 / 01期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1109/MMW.2004.1284943
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：
The use of multiple antennas in Multiple-Input-Multiple-Output (MIMO) systems was analyzed. The transmitter and receiver or both use signals from the subset of available antennas, which allows considerable reductions in hardware expense. The selection of antenna retains the diversity degree for both linear diversity systems with complete channel knowledge and space-time coded systems. For low SNR, spatial multiplexing does not necessarily maximize capacity when antenna selection is present. The frequency selectivity reduces the effectiveness of antenna selection and switches with low attenuation were required for both receiver and transmitter.
引用
收藏
页码：46 / 56
页数：11
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