A Dual-Broadband Circularly Polarized Slot Antenna for WLAN Applications

被引：40

作者：

Weng, Wei-Chung ^{[1
]}

Sze, Jia-Yi ^{[2
]}

Chen, Chiao-Feng ^{[1
]}

机构：

[1] Natl Chi Nan Univ, Dept Elect Engn, Puli 54561, Taiwan

[2] Natl Def Univ, Dept Elect & Elect Engn, Daxi 33550, Taiwan

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2014年 / 62卷 / 05期

关键词：

Circular polarization; coplanar waveguides; slot antennas; wireless LAN; MICROSTRIP ANTENNA;

D O I：

10.1109/TAP.2014.2307317

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 novel dual-band, circularly polarized slot antenna with broadband characteristics in both axial ratio and impedance is developed. The radiations of antenna exhibit a left-hand circular polarization in the z > 0 direction and a right-hand circular polarization in the opposite direction at both the lower and upper bands. The measured impedance bandwidths are 55.33% (1.83-3.23 GHz) and 20.98% (4.99-6.16 GHz) while the axial ratio bandwidths are 32.14% (1.88-2.60 GHz) and 31.49% (4.95-6.80 GHz) at the lower and upper bands, respectively. In comparison to the recent works, the proposed antenna has a simpler structure, a more compact size, wider impedance bandwidths, and wider axial ratio bandwidths.

引用

页码：2837 / 2841

页数：6

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