Design and modelling of a compact circularly polarized antenna for RFID applications

被引：6
|
作者：
Das, Tanmaya Kumar [1 ]
Dwivedy, Biswajit [2 ]
Behera, Debakanta [3 ]
Behera, Santanu Kumar [1 ]
Karmakar, Nemai Chandra [4 ]
机构：
[1] Natl Inst Technol Rourkela, Dept Elect & Commun Engn, Rourkela 769008, Odisha, India
[2] Vellore Inst Technol, Sch Elect Engn, Vellore 632014, Tamil Nadu, India
[3] VSS Univ Technol, Dept Elect & Telecommun Engn, Sambalpur 768018, Odisha, India
[4] Monash Univ, Dept Elect & Comp Syst Engn, Clayton Campus, Clayton, Vic 3800, Australia
来源：
AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS | 2020年 / 123卷 / 123期
关键词：
Axial ratio; Circular polarization; Fractal; RFID; SQUARE MICROSTRIP ANTENNA; PATCH;
D O I：
10.1016/j.aeue.2020.153313
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：
In this article, a single-feed, miniaturized, circularly polarized (CP) microstrip patch antenna (MPA) using Koch fractal geometry for RFID applications is presented. The design consists of a probe-fed slotted square-shaped patch with the fractal edge and two pairs of capacitively coupled grounded metal strips. The proposed design methodology is validated by designing two prototypes (Antenna 1 and Antenna 2), which are operating at 2.435 GHz and 5.78 GHz respectively. Both antennas show right-hand circular polarization (RHCP) characteristics with 3 dB axial ratio bandwidth (ARBW) covering 2.433-2.439 GHz and 5.75-5.8 GHz respectively. This design leads to a reduction in the overall size of the antennas, to meet the demands of portable wireless devices. (C) 2020 Elsevier GmbH. All rights reserved.
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收藏
页数：9
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