Impedance Bandwidth Improvement of a Planar Antenna Based on Metamaterial-Inspired T-Matching Network

被引：65

作者：

Alibakhshikenari, Mohammad ^{[1
]}

Virdee, Bal S. ^{[2
]}

Shukla, Pancham ^{[2
]}

Wang, Yan ^{[3
]}

Azpilicueta, Leyre ^{[4
]}

Naser-Moghadasi, Mohammad ^{[5
]}

See, Chan Hwang ^{[6
]}

Elfergani, Issa ^{[7
,8
]}

Zebiri, Chemseddine ^{[9
]}

Abd-Alhameed, Raed A. ^{[7
]}

Huynen, Isabelle ^{[10
]}

Rodriguez, Jonathan ^{[8
]}

Denidni, Tayeb A. ^{[11
]}

Falcone, Francisco ^{[12
,13
]}

Limiti, Ernesto ^{[1
]}

机构：

[1] Univ Roma Tor Vergata, Elect Engn Dept, I-00133 Rome, Italy

[2] London Metropolitan Univ, Ctr Commun Technol, London N7 8DB, England

[3] Xidian Univ, Minist Educ, Key Lab Elect Equipment Struct Design, Xian 710071, Peoples R China

[4] Tecnol Monterrey, Sch Engn & Sci, Monterrey 64849, Mexico

[5] Islamic Azad Univ, Sci & Res Branch, Dept Elect & Comp Engn, Tehran 1477893855, Iran

[6] Edinburgh Napier Univ, Sch Engn & Built Environm, Edinburgh EH10 5DT, Midlothian, Scotland

[7] Univ Bradford, Fac Engn & Informat, Bradford BD7 1DP, W Yorkshire, England

[8] Campus Univ Santiago, Inst Telecomunicacoes, P-3810193 Aveiro, Portugal

[9] Univ Ferhat Abbas, Dept Elect Engn, Lab Elect Puissance & Commande Ind LEPCI, Setif 19000, Algeria

[10] Catholic Univ Louvain, Inst Informat & Commun Technol Elect & Appl Math, B-1348 Louvain La Neuve, Belgium

[11] Univ Quebec, INRS, Montreal, PQ H5A 1K6, Canada

[12] Univ Publ Navarra, Elect Elect & Commun Engn Dept, Pamplona 31006, Spain

[13] Univ Publ Navarra, Inst Smart Cities, Pamplona 31006, Spain

来源：

IEEE ACCESS | 2021年 / 9卷

基金：

英国工程与自然科学研究理事会; 欧盟地平线“2020”;

关键词：

T-matching circuit; microstrip antenna; metamaterial; transmission-line; impedance matching; ENHANCED-BANDWIDTH; PATCH ANTENNA; DESIGN;

D O I：

10.1109/ACCESS.2021.3076975

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 a metamaterial-inspired T-matching network is directly imbedded inside the feedline of a microstrip antenna to realize optimum power transfer between the front-end of an RF wireless transceiver and the antenna. The proposed T-matching network, which is composed of an arrangement of series capacitor, shunt inductor, series capacitor, exhibits left-handed metamaterial characteristics. The matching network is first theoretically modelled to gain insight of its limitations. It was then implemented directly in the 50-Omega feedline to a standard circular patch antenna, which is an unconventional methodology. The antenna's performance was verified through measurements. With the proposed technique there is 2.7 dBi improvement in the antenna's radiation gain and 12% increase in the efficiency at the center frequency, and this is achieved over a significantly wider frequency range by a factor of approximately twenty. Moreover, there is good correlation between the theoretical model, method of moments simulation, and the measurement results.

引用

页码：67916 / 67927

页数：12

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