Low complexity antenna selection algorithm for multiuser MIMO systems

Computer Engineering and Applications ›› 2008, Vol. 44 ›› Issue (5): 174-176.

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Low complexity antenna selection algorithm for multiuser MIMO systems

WANG Jun,XU Hong-bo,WANG Li-hua

Department of Electronics and Information Engineering，Huazhong Normal University，Wuhan 430079，China

Received:2007-07-09 Revised:2007-10-24 Online:2008-02-11 Published:2008-02-11
Contact: WANG Jun

多用户MIMO系统的低复杂度天线选择算法

王俊,徐洪波,王丽华

华中师范大学电子与信息工程系，武汉 430079

通讯作者: 王俊

Abstract

Abstract: Block Diagonalization（BD） is a precoding technique that eliminates interference in downlink multiuser Multiple-Input Multiple-Output（MIMO） systems.We propose a novel suboptimal antenna selection algorithm which is based on the channel Frobenius norm for multiuser MIMO systems with BD while keeping the computational complexity lower.Simulation show that the algorithm can be close to the sum capacity of the optimal algorithm.

Key words: multiuser, MIMO, sum capacity, antenna selection

摘要： 块对角化是一种用于多用户MIMO系统下行链路的预编码方案，它可以完全消除多用户间的干扰。论文就是针对采用块对角化预编码的多用户MIMO下行链路，基于信道F-范数提出一种新的次优天线选择算法。该算法计算复杂度较低。仿真结果显示，其系统容量接近采用最优算法的系统容量。

关键词: 多用户, MIMO, 容量, 天线选择

WANG Jun,XU Hong-bo,WANG Li-hua. Low complexity antenna selection algorithm for multiuser MIMO systems[J]. Computer Engineering and Applications, 2008, 44(5): 174-176.

王俊,徐洪波,王丽华. 多用户MIMO系统的低复杂度天线选择算法[J]. 计算机工程与应用, 2008, 44(5): 174-176.

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Low complexity antenna selection algorithm for multiuser MIMO systems

多用户MIMO系统的低复杂度天线选择算法

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