Neutralization Line Decoupling Tri-Band Multiple-Input Multiple-Output Antenna Design

被引：67

作者：

Liu, Ruipeng ^{[1
,2
]}

An, Xing ^{[1
]}

Zheng, Hongxing ^{[1
,2
]}

Wang, Mengjun ^{[1
,2
]}

Gao, Zhenbin ^{[2
]}

Li, Erping ^{[1
,3
]}

机构：

[1] Hebei Univ Technol, Key Lab Electromagnet Field & Elect Apparat Relia, State Key Lab Reliabil & Intelligence Elect Equi, Sch Elect Engn, Tianjin 300401, Peoples R China

[2] Hebei Univ Technol, Sch Elect & Informat Engn, Tianjin 300401, Peoples R China

[3] Zhejiang Univ, Univ Illinois Urbana Champaign Inst, Haining 314400, Peoples R China

来源：

IEEE ACCESS | 2020年 / 8卷

基金：

中国国家自然科学基金;

关键词：

Multiple-input-multiple-output; tri-band; high isolation; neutralization line; MIMO ANTENNA; REDUCTION; SYSTEM;

D O I：

10.1109/ACCESS.2020.2971038

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

A pair of tri-band multiple-input-multiple-output (MIMO) antennas with high isolation is investigated in this paper. The proposed antenna consists of two monopole antenna elements with an edge to edge spacing of 4 mm (0.03 lambda(0) at 2.3 GHz). The monopole antenna element chose the bending line structure that can operate in tri-band and realize miniaturization. To achieve compact dimension and high isolation, symmetrical distribution layout is adopted to decouple the low frequency band, the U-shaped neutralization line (NL) contacting with two microstrip lines, and it can to improve the isolation in high frequency band, and the inverted U-shaped NL contacting with two radiation patch can decoupling in the middle frequency band. And then study the envelope correlation coefficient is lower, and the radiation pattern in operation bands is quasi-omnidirectional. It indicates that the antenna has obtained a satisfactory diversity performance within the whole operation bands which can be a good candidate for some portable MIMO applications.

引用

页码：27018 / 27026

页数：9

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