A Study of Close Eigenvalues and Communication Performance in Multiple-Input Multiple-Output Eigenbeam Space-Division Multiplexing

被引：0

作者：

Dohi, Yusuke ^{[1
]}

Ikegami, Tetsushi ^{[1
]}

机构：

[1] Meiji Univ, Grad Sch Sci & Technol, Dept Elect Engn, Tama Ku, 1-1-1 Higashimita, Kawasaki, Kanagawa 2148571, Japan

来源：

2015 IEEE 82ND VEHICULAR TECHNOLOGY CONFERENCE (VTC FALL) | 2015年

关键词：

MIMO; E-SDM; close eigenvalues; time variant channel model; adaptive control; spatial correlations;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In multiple-input multiple-output (MIMO) eigenbeam space-division multiplexing (E-SDM), increased phase angle variation velocities have been reported because the transmission and reception weights become increasingly sensitive to smaller gaps between eigenvalues. In this paper, the effects of close eigenvalues were evaluated based on the number of antenna elements and spatial correlations. The evaluation is executed using the ITU-R M.2135-1 time variant channel model. As a result, it is clarified that there is a good possibility of improved communication performance in MIMO E-SDM based on adaptive control of the channel estimation time period using the eigenvalue gap as an input parameter.

引用

页数：5

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