Estimation of Spherical Wave Coefficients From 3-D Positioner Channel Measurements

被引：7

作者：

Bernland, Anders ^{[1
]}

Gustafsson, Mats ^{[1
]}

Gustafson, Carl ^{[1
]}

Tufvesson, Fredrik ^{[1
]}

机构：

[1] Lund Univ, Dept Elect & Informat Technol, S-22100 Lund, Sweden

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2012年 / 11卷

关键词：

3-D positioner; channel measurements; probe correction; spherical wave expansions; EXPANSION;

D O I：

10.1109/LAWP.2012.2202870

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：

Electromagnetic vector spherical waves have been used recently to model antenna-channel interaction and the available degrees of freedom in multiple-input-multiple-output (MIMO) systems. However, there are no previous accounts of a method to estimate spherical wave coefficients from channel measurements. One approach for this, using a 3-D positioner, is presented and analyzed in this letter. Measurement results are presented and discussed. It is concluded that estimates based on randomly positioned measurements within a volume are less sensitive to noise than those based only on measurements on the surface.

引用

页码：608 / 611

页数：4

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