An Ultrawideband Printed Monopole Antenna Analyzed with the Theory of Characteristic Modes

被引：4

作者：

Ramiro Penafiel-Ojeda, Carlos ^{[1
,2
]}

Efrain Andrade, Carlos ^{[3
]}

Baez-Egas, Ricardo ^{[4
]}

Garcia-Santos, Vladimir ^{[5
]}

机构：

[1] Univ Nacl Chimborazo UNACH, G RES, Riobamba 060110, Ecuador

[2] Inst Tecnol & Ciencias Avanzadas ITECA, Riobamba 060102, Ecuador

[3] Univ Tecn Estatal Quevedo UTEQ, Fac Ciencias Ingn, Quevedo 120501, Ecuador

[4] Univ Tecn Norte UTN, Fac Ingn Ciencias Aplicadas, Ibarra 100150, Ecuador

[5] Univ Estatal Peninsula Santa Elena UPSE, Fac Sistemas & Telecomunicac, La Libertad 240350, Ecuador

来源：

IEEE LATIN AMERICA TRANSACTIONS | 2022年 / 20卷 / 06期

关键词：

Ultra wideband antennas; Antenna theory; Three-dimensional displays; Prototypes; IEEE transactions; Conductors; Wireless personal area networks; Monopole Antennas; Theory of Characteristic Modes; Ultrawideband antenna; DESIGN;

D O I：

10.1109/TLA.2022.9757737

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, the analysis of an UWB monopole antenna using the Theory of Characteristic Modes is presented. It starts from the modal study of an asymmetric dipole (structure 1), and then complements and compares it with a broadband monopole (structure 2), aiming to understand the operation principle of the proposed antenna. To achieve this, the electromagnetic properties of the structures are analyzed through the generation of its characteristic angles, modal radiation patterns, characteristic currents, and the power contribution percentage of each mode to the total radiated power, providing a vision on how the superposition of individual characteristic modes enables UWB operation. The prototype model is fabricated, and the measured results agree very well with the full-wave simulations results. The proposed prototype has a very low profile and operates in the frequency band from 2.8 GHz to exceed 10 GHz for a reflection coefficient S11 less than -10dB.

引用

页码：948 / 954

页数：7

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