Accurate DOA estimation using array antenna with arbitrary geometry

被引：49
|
作者：
Yuan, QW [1 ]
Chen, Q
Sawaya, K
机构：
[1] Intelligent Cosmos Res Inst, Sendai, Miyagi 9898579, Japan
[2] Tohoku Univ, Fac Engn, Dept Elect Commun, Sendai, Miyagi 9808579, Japan
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2005年 / 53卷 / 04期
关键词：
antenna array mutual coupling; antenna arrays; array signal processing; direction of arrival (DOA) estimation; method of moments (MoM); mobile anntennas;
D O I：
10.1109/TAP.2005.844409
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 so called universal steering vector (USV) whose locus is equivalent to the array element pattern is applied to the direction of arrival (DOA) estimation by multiple signal classification (MUSIC) algorithm. It is shown that if the USV which includes the effect of the mutual coupling between the array elements is used, the compensation for the received voltage to remove the effect of the mutual coupling is not required any more. The USV for array antennas with arbitrary geometry is derived and evaluated efficiently by using the method of moments (MoM) so that the DOA estimation can be performed accuratly by using the array antenna with arbitrary geometry. Numerical examples of the DOA estimation by a dipole array antenna, and an antenna array composed of a monopole antenna and a planar inverted-F antenna (PIFA) mounted on a mobile handset are presented to demonstrate the effectiveness of the proposed method.
引用
收藏
页码：1352 / 1357
页数：6
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