On a hybrid beamforming/space-time coding scheme

被引：3
|
作者：
Li, P [1 ]
Zhang, LR
So, HC
机构：
[1] City Univ Hong Kong, Dept Elect Engn, Kowloon, Hong Kong, Peoples R China
[2] Xidian Univ, Key Lab Radar Signal Proc, Xian 710071, Peoples R China
[3] City Univ Hong Kong, Dept Comp Engn & Informat Technol, Kowloon, Hong Kong, Peoples R China
来源：
IEEE COMMUNICATIONS LETTERS | 2004年 / 8卷 / 01期
关键词：
beamforming; smart antennas; space-time coding; transmit diversity;
D O I：
10.1109/LCOMM.2003.822520
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
A multiple transmit antenna system based on hybrid beamforming and space-time coding technologies is examined. The reduction factor of the required transmitted energy achievable by the use of hybrid scheme is quantified for any given outage capacity. We show that although a sole space-time coding configuration is superior asymptotically (i.e., for extremely low outage requirements), a hybrid beamforming/space-time coding configuration can be a more effective solution for modest outage requirements. It may provide a useful design guideline for wireless systems, especially for the downlink where multiple transmit antenna scheme is feasible.
引用
收藏
页码：15 / 17
页数：3
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