Computationally Efficient DOA and Range Estimation for Near-Field Source with Linear Antenna Array

被引：0
|
作者：
Chen, Hao [1 ,2 ]
Zhang, Xinggan [3 ]
Bai, Yechao [3 ]
Ma, Jingji [4 ]
机构：
[1] Anhui Normal Univ, Coll Phys & Elect Informat, Wuhu, Peoples R China
[2] Nanjing Univ, Nanjing, Jiangsu, Peoples R China
[3] Nanjing Univ, Sch Elect Sci & Engn, Nanjing, Jiangsu, Peoples R China
[4] Anhui Normal Univ, Coll Terr Resources & Tourism, Wuhu, Peoples R China
来源：
WORLD CONGRESS ON ENGINEERING AND COMPUTER SCIENCE, WCECS 2017, VOL I | 2017年
基金：
中国国家自然科学基金;
关键词：
Near-field; linear antenna array; source localization; closed-form solution; SOURCE LOCALIZATION;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This letter presents an effective direction of arrival (DOA) and range estimation algorithm for a single near-field source. In the proposed algorithm, a correlation function is firstly constructed based on the array configuration. Then, the phase which contains the information about the DOA and range is extracted. By utilizing the least square operation, the closed-form solutions of DOA and range are obtained. Compared to the existing high-order statistics based estimate algorithm which involves spectral search and eigenvalue decomposition (EVD), the proposed algorithm can provide higher computation efficiency and improved estimate accuracy. Simulations are carried out to verify the effectiveness of the proposed algorithm.
引用
收藏
页码：412 / 415
页数：4
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