Wideband Circular Patch Antenna for Pattern Diversity Application

被引：46

作者：

Cui, Lan ^{[1
]}

Wu, Wen ^{[1
]}

Fang, Da-Gang ^{[1
]}

机构：

[1] Nanjing Univ Sci & Technol, Ministerial Key Lab JGMT, Nanjing 210094, Jiangsu, Peoples R China

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2015年 / 14卷

基金：

中国国家自然科学基金;

关键词：

Broadside beam; circular patch antenna; conical beam; pattern diversity; wideband antenna; RADIATION-PATTERN; LOW-PROFILE; PROBE; DESIGN;

D O I：

10.1109/LAWP.2015.2403358

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：

A low-profile wideband circular patch antenna with pattern diversity is proposed. The TM11 mode of the patch is excited by two feeding loops with in-phase current, which radiates the broadside beam. The TM01 mode is excited by another set of feeding loops with antiphase current, which radiates a conical beam. The two modes can operate at an overlapped frequency range. The proposed antenna is fabricated and measured. The measured impedance bandwidth (VSWR < 2) for the broadside beam is from 1.71 to 2.25 GHz, and for the conical beam is from 1.36 to 2.17 GHz. The measured gains of the broadside beams and conical beams are 8-9.7 dBi and 3.8-6.4 dBi, respectively. The isolation between the two input ports is better than -25 dB. The antenna can be used as a pattern diversity antenna for modern mobile communications.

引用

页码：1298 / 1301

页数：4

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