The Code Design of the Space-time Trellis Codes with Dynamic Transmit Power Allocation

被引：0
|
作者：
Santoso, Agus [1 ]
Li, Yonghui [1 ]
Vucetic, Branka [1 ]
机构：
[1] Univ Sydney, Sch Elect & Informat Engn, Telecommun Lab, Sydney, NSW 2006, Australia
来源：
INTERNATIONAL JOURNAL OF WIRELESS INFORMATION NETWORKS | 2005年 / 12卷 / 04期
关键词：
Antenna selection; code design; space-time trellis codes (STTCs); transmit diversity; weighting;
D O I：
10.1007/s10776-005-0008-8
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
Space-time trellis codes (STTCs) have been shown to efficiently use transmit diversity to improve the error performance. In existing space-time trellis codes, the transmit power is equally distributed across all transmit antennas. However, this power allocation strategy is not optimum regarding the error performance. In this paper, we propose a design of space-time trellis codes with dynamic transmit power allocation (STTCs/DTPA), when partial channel state information (CSI) is available at the transmitter side. It is demonstrated that this new scheme can achieve a full diversity order and have much better error performance than the standard STTCs scheme, the existing STTCs/DTPA, and some other closed-loop transmit diversity schemes with partial CSI.
引用
收藏
页码：215 / 223
页数：9
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