Target localization using MIMO electromagnetic vector array systems

被引：47
|
作者：
Gu, Chen [2 ]
He, Jin [1 ]
Li, Hongtao [2 ]
Zhu, Xiaohua [2 ]
机构：
[1] Shanghai Elect & Commun Res Inst, Shanghai 201109, Peoples R China
[2] Nanjing Univ Sci & Technol, Sch Elect & Opt Engn, Nanjing 210094, Jiangsu, Peoples R China
来源：
SIGNAL PROCESSING | 2013年 / 93卷 / 07期
关键词：
MIMO array; Target localization; Electromagnetic vector antenna; Polarization diversity; ESPRIT; POLARIZATION ESTIMATION; ESTIMATING DIRECTIONS; DOA ESTIMATION; JOINT DOD; ESPRIT; SENSORS; ARRIVAL; SIGNALS; RADAR;
D O I：
10.1016/j.sigpro.2013.02.005
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：
Recently developed MIMO array systems, which use spatially separated but colocated scalar-antennas in both transmit and receive modes, can fully exploit waveform diversity and spatial diversity to offer significant performance improvement over traditional phased-array based systems. Unlike these structure, in this paper, we present a MIMO array system that is composed of electromagnetic vector antennas (EMVA). Parameterizing the target locations by azimuth-elevation arrival angles and adopting the ESPRIT algorithm, the presented MIMO array system provides closed-form automatically paired azimuth-elevation angle estimation, resolves up to six targets with distinct locations, requires no restrictions on transmit antennas placement, and offers a performance better than the MIMO array system with spatially separated scalar-antennas of comparable receive data size. All these advantages are achieved by additional polarization diversity offered by the EMVA. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：2103 / 2107
页数：5
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