Slots-Coupled Omnidirectional Circularly Polarized Cylindrical Glass Dielectric Resonator Antenna for 5.8-GHz WLAN Application

被引：9

作者：

Fang, Xiao Sheng ^{[1
,3
]}

Weng, Ling Peng ^{[1
,3
]}

Sun, Yu-Xiang ^{[2
]}

机构：

[1] Shantou Univ, Dept Elect & Informat Engn, Shantou 515063, Peoples R China

[2] Shenzhen Univ, Coll Elect & Informat Engn, Shenzhen 518060, Peoples R China

[3] Shantou Univ, Guangdong Prov Key Lab Digital Signal & Image Pro, Shantou 515063, 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：

Cylindrical dielectric resonator antenna; slots-coupled; omnidirectional; circularly polarized; DUAL-BAND;

D O I：

10.1109/ACCESS.2020.3037778

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

In this paper, a slots-coupled omnidirectional circularly polarized (CP) cylindrical dielectric resonator antenna (DRA) is proposed. The TM01 delta and TE011+delta modes of the cylindrical DRA are simultaneously excited by four printed slots placed at 45 degrees to the radial direction. Omnidirectional CP fields are obtained when the fields of the two modes have the same amplitude and 90 degrees phase difference. Compared with the traditional probe-fed method, the structure of the proposed slots-coupled DRA is very simple, without introducing any groove, patch, choke or shorting pins. For the demonstration, a slots-coupled omnidirectional CP cylindrical glass DRA is designed for 5.8-GHz WLAN application. It is found that the proposed DRA can provide an AR bandwidth of similar to 8 % (5.62-6.09 GHz) and a gain of similar to 5.6 dBic, with a height of similar to 0.127 lambda(0). This performance is competitive with other reported omnidirectional CP DRAs.

引用

页码：204718 / 204727

页数：10

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