Amplifier-Aware Multiple-Input Multiple-Output Power Allocation

被引：44
|
作者：
Persson, Daniel [1 ]
Eriksson, Thomas [2 ]
Larsson, Erik G. [1 ]
机构：
[1] Linkoping Univ, Dept Elect Engn, SE-58183 Linkoping, Sweden
[2] Chalmers Univ Technol, Dept Signals & Syst, SE-41296 Gothenburg, Sweden
来源：
IEEE COMMUNICATIONS LETTERS | 2013年 / 17卷 / 06期
关键词：
Multiple-input multiple-output (MIMO); power amplifiers; power dissipation; power allocation; DOWNLINK; CAPACITY; IMPACT;
D O I：
10.1109/LCOMM.2013.043013.130050
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
We propose multiple-input multiple-output (MIMO) transmitter power allocation which takes dissipation in the power amplifiers into account. We derive the equations of the general problem with full channel state information (CSI), discuss its challenges, and supply solutions in two special cases, namely for a multiple-input single-output channel with a linear beamformer constraint, and for a parallel MIMO channel. The proposed algorithms show substantial gains in terms of rate and total consumed power compared to previous state of the art over a wide range of parameter settings, and have low computational complexities.
引用
收藏
页码：1112 / 1115
页数：4
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