Direction-of-arrival and polarization estimation with uniform circular arrays in the presence of mutual coupling

被引：21
|
作者：
Goossens, Roald [1 ]
Rogier, Hendrik [1 ]
机构：
[1] Univ Ghent, Dept Informat Technol, B-9000 Ghent, Belgium
来源：
AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS | 2008年 / 62卷 / 03期
关键词：
mutual coupling; circular arrays; polarization; DOA estimation;
D O I：
10.1016/j.aeue.2007.03.018
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：
A modified Root-MUSIC algorithm is proposed to estimate the directions-of-arrival (DOAs) and the polarization of plane waves, which impinge at a fixed elevation angle, using a diversely polarized uniform circular array (UCA). Special attention is devoted to the presence of mutual coupling effects in antenna arrays. By describing the electromagnetic characteristics on the basis of a phase-mode expansion for the open-circuit voltages and the mutual coupling matrix, the modified Root-multiple signal classification (MUSIC) algorithm takes mutual coupling effects into account by a limited, number of phase modes. Finally, the efficiency of the new algorithm is verified based on synthetic antenna data. (c) 2007 Elsevier GmbH. All rights reserved.
引用
收藏
页码：199 / 206
页数：8
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