DOA error estimation in 3D cylindrical dipole array geometries including the mutual coupling effect

被引：9
|
作者：
Poormohammad, Sarah [1 ]
Nia, Zahra Sasan [1 ]
Farzaneh, Forouhar [1 ]
机构：
[1] Sharif Univ Technol, Dept Elect Engn, Tehran 111554363, Iran
来源：
AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS | 2018年 / 84卷
关键词：
Array geometry; Rotated-cylindrical geometry; DOA; MUSIC; Mutual coupling; 3D dipole array; Monte-Carlo simulation; UNIFORM CIRCULAR ARRAYS; DIRECTION-OF-ARRIVAL; COMPENSATION;
D O I：
10.1016/j.aeue.2017.12.019
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：
The direction of arrival (DOA) error in dipole 3D arrays is estimated through Monte-Carlo simulations using the standard MUSIC algorithm. Novel 3D geometries are implemented which demonstrate better precision given the same lateral area. The mutual coupling effect is included by changing the search vector in the MUSIC DOA algorithm for the novel 3D geometries. A simple straight forward method is used which does not need complex electromagnetic computations. Simulations show that the proposed method can successfully account for the mutual coupling effects in two dimensional direction finding (both azimuth and elevation angle) with novel 3D array geometries. Reduced DOA estimation error is observed in the novel geometries which can be used as a method of mitigation for the mutual coupling effect.
引用
收藏
页码：321 / 330
页数：10
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