Single-Layer Single-Fed Endfire Antenna With Bidirectional Circularly Polarized Radiation of the Same Sense

被引：32

作者：

Ye, Mao ^{[1
]}

Li, Xin-Rong ^{[1
]}

Chu, Qing-Xin ^{[1
,2
]}

机构：

[1] Xidian Univ, Sch Elect Engn, Xian 710071, Peoples R China

[2] South China Univ Technol, Sch Elect & Informat Engn, Guangzhou 510641, Guangdong, Peoples R China

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2017年 / 16卷

关键词：

Bidirectional antenna; circularly polarization; endfire antenna; planar antenna; WAVE-GUIDE ANTENNA;

D O I：

10.1109/LAWP.2016.2594186

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 single-layer bidirectional antenna that provides circularly polarized (CP) radiation of the same sense in both of the hemispheres has been designed and evaluated. The concept is the combination of two identical endfire CP antenna elements in a back-to-back configuration. The design of each element is based on the superposition of two closely spaced complementary dipoles connected by phase delay line. A single coaxial probe can be used to simultaneously excite the two elements. Taking 5.8-GHz ISM band applications (5.725-5.875 GHz), for example, experimental results show the designed antenna has a usable bandwidth from 5.72 to 5.88 GHz (the common overlapped bandwidth limited by the 3-dB axial ratio and -10-dB vertical bar S-11 vertical bar). The overall antenna size is only 0.53 lambda(0) x 0.47 lambda(0) with a low profile of 0.029 lambda(0).

引用

页码：621 / 624

页数：4

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