Multiuser MIMO beamforming for single data stream transmission in frequency-selective fading channels

被引：2
|
作者：
Pham, HH [1 ]
Taniguchi, T [1 ]
Karasawa, Y [1 ]
机构：
[1] Univ Electrocommun, Dept Elect Engn, Chofu, Tokyo 1828585, Japan
来源：
IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES | 2005年 / E88A卷 / 03期
关键词：
smart antennas; frequency-selective fading; multipath; MIMO; mutiuser systems;
D O I：
10.1093/ietfec/e88-a.3.651
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, we propose a multiple-input multiple-output (MIMO) beamforming scheme for a multiuser system in frequency-selective fading channels. The maximum signal-to-noise and interference ratio (MSINR) is adopted as a criterion to determine the transmit and receive weight vectors. In order to maximize the output SINR over all users, two algorithms for base station are considered: the first algorithm is based on the receive weight vector optimization and the second algorithm is based on an iterative update of both transmit and receive weight vectors. Based on the result of single user MIMO beamforming, we analyze the interference channels cancellation ability of multiuser MIMO system. The first algorithm is a simple method and the second algorithm is a performative solution. Through computer simulations, it is shown that multiuser communication system is achievable using the proposed methods in frequency-selective fading condition.
引用
收藏
页码：651 / 659
页数：9
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