Printed Monopole Antenna with Tunable Band-Notched Characteristic for Use in Mobile and Ultra-Wide Band Applications

被引：5

作者：

Elfergani, I. T. E. ^{[1
]}

Hussaini, A. S. ^{[1
,2
]}

See, C. H. ^{[3
,4
]}

Abd-Alhameed, R. A. ^{[3
]}

McEwan, N. J. ^{[5
]}

Zhu, S. ^{[3
]}

Rodriguez, J. ^{[1
,6
]}

Clarke, R. W. ^{[3
]}

机构：

[1] Inst Telecomunicacoes, Aveiro, Portugal

[2] Amer Univ Nigeria, Sch Informat Technol & Commun, Yola, Adamawa, Nigeria

[3] Univ Bradford, Sch Elect Engn & Comp Sci, Radio Frequency Antennas Propagat & Computat Elec, Bradford BD7 1DP, W Yorkshire, England

[4] Univ Bolton, Engn Sport & Sci ESS Acad Grp, Bolton BL3 5AB, England

[5] Glyndwr Univ, Dept Engn & Appl Phys, Wrexham, Wales

[6] Univ Aveiro, Dept Elect Telecommun & Informat, Aveiro, Portugal

来源：

INTERNATIONAL JOURNAL OF RF AND MICROWAVE COMPUTER-AIDED ENGINEERING | 2015年 / 25卷 / 05期

关键词：

wideband antenna; tunable notch; varactor diode; monopole antenna; SLOT ANTENNAS; UWB ANTENNA; DESIGN; WLAN;

D O I：

10.1002/mmce.20874

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

A tunable band-notch printed monopole antenna is presented, exhibiting a wide impedance bandwidth from 1.5 to 5.5 GHz with good impedance matching (VSWR2) and a tunable rejected frequency band from 2.38 to 3.87 GHz. The band-notching is achieved by adding an inner chorded crescent element within a driven element of a similar shape. By varying the value of the varactor, which is placed between the inner and outer arcs, the desired variable rejected can be obtained. Simulated and measured results show wide impedance bandwidth with a tunable band notch, stable radiation patterns, and consistent nearly constant gain. The antenna is suitable for mobile and portable applications. (c) 2014 Wiley Periodicals, Inc. Int J RF and Microwave CAE 25:403-412, 2015.

引用

页码：403 / 412

页数：10

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