Joint MMSE Equalization and Power Control for MIMO System under Multi-User Interference

被引：8
|
作者：
Wang, Jui Teng [1 ]
机构：
[1] Natl Chi Nan Univ, Grad Inst Commun Engn, Puli 545, Nantou, Taiwan
来源：
IEEE COMMUNICATIONS LETTERS | 2012年 / 16卷 / 01期
关键词：
MMSE; equalization; power control; MIMO; multi-user; WIRELESS NETWORKS; DIVERSITY; FEEDBACK;
D O I：
10.1109/LCOMM.2011.111011.112134
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
The joint MMSE equalization and power control (JMEPC) algorithm, which jointly and iteratively adjusts the equalization weights and the power level of each user, is proposed for the MIMO system under multi-user interference. Two types of MMSE equalization, namely, the parallel MMSE equalization and the optimum successive decoding (OSD), are considered. In the JMEPC algorithm, we let the mean capacity among cochannel the users be the capacity target and make the resulting capacity approach the maximum achievable capacity through the iterations that can be finished in a distributed manner. Simulation results show that the JMEPC algorithm increases the capacity of the MIMO system and the parallel MMSE equalization with JMEPC can have larger capacity than the OSD without JMEPC.
引用
收藏
页码：54 / 56
页数：3
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