A Topology-Based Miniaturization of Circularly Polarized Patch Antennas

被引：24

作者：

Oh, Jungsuek ^{[1
]}

Sarabandi, Kamal ^{[1
]}

机构：

[1] Univ Michigan, Dept Elect Engn & Comp Sci, Radiat Lab, Ann Arbor, MI 48109 USA

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2013年 / 61卷 / 03期

关键词：

Anisotropic media; circularly polarized antennas; microstrip antennas; MICROSTRIP ANTENNA; MONOPOLE ANTENNA; TUNING-STUB; LOW-PROFILE; CROSS-SLOT;

D O I：

10.1109/TAP.2012.2231915

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 approach for the miniaturization of circularly polarized patch antennas is presented. This enables a size reduction of as high as 75%, compared to a conventional corner-truncated circularly polarized patch antenna. The proposed design procedure consists of a number of intermediate steps, each of which produces antenna miniaturization as well as the desired polarization and impedance matching properties. This is very challenging in miniaturizing circularly polarized probe-fed patch antennas. It is shown that two resonant frequencies can be tuned independently to produce a dual band antenna with two orthogonal polarizations. Finally, two circularly polarized miniaturized patch antennas with different miniaturization factors are fabricated, and their input impedances, radiation patterns and axial ratios are discussed.

引用

页码：1422 / 1426

页数：6

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