Analysis and Design of a Broadband Multifeed Tightly Coupled Patch Array Antenna

被引：24

作者：

Yang, Xi ^{[1
]}

Qin, Pei-Yuan ^{[2
]}

Liu, Yao ^{[3
]}

Yin, Ying-Zeng ^{[1
]}

Guo, Yingjie Jay ^{[2
]}

机构：

[1] Xidian Univ, Natl Key Lab Antennas & Microwave Technol, Xian 710071, Shaanxi, Peoples R China

[2] Univ Technol Sydney, Global Big Data Technol Ctr, Ultimo, NSW 2007, Australia

[3] Xian Univ Sci & Technol, Xian 710054, Shaanxi, Peoples R China

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2018年 / 17卷 / 02期

基金：

美国国家科学基金会; 澳大利亚研究理事会;

关键词：

Antenna arrays; broadband antenna; mutual coupling; tightly coupled patch array (TCPA);

D O I：

10.1109/LAWP.2017.2780992

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：

In this letter, a multifeed tightly coupled patch array antenna capable of broadband operation is analyzed and designed. First, an antenna array composed of infinite elements with each element excited by a feed is proposed. To produce specific polarized radiation efficiently, a new patch element is proposed, and its characteristics are studied based on a 2-port network model. Full-wave simulation results show that the infinite antenna array exhibits both a high efficiency and desirable radiation pattern in a wide frequency band (10 dB bandwidth) from 1.91 to 5.35 GHz (94.8%). Second, to validate its outstanding performance, a realistic finite 4x4 antenna prototype is designed, fabricated, and measured in our laboratory. The experimental results agree well with simulated ones, where the frequency bandwidth (VSWR < 2) is from 2.5 to 3.8 GHz (41.3%). The inherent compact size, light weight, broad bandwidth, and good radiation characteristics make this array antenna a promising candidate for future communication and advanced sensing systems.

引用

页码：217 / 220

页数：4

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