Design of a Compact UWB Antenna with Triple Band-Notched Characteristics

A new compact ultra-wideband (UWB) antenna with triband-notched characteristics is presented. The structure of the proposed antenna is simple and symmetric. A modified ground is introduced to obtain a wide impedance bandwidth of 2.9–13.4 GHz with S11<-10 dB. By inserting two arc-shaped slots in t...

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Main Authors: Qiang Wang, Yan Zhang
Format: Article
Language:English
Published: Wiley 2014-01-01
Series:International Journal of Antennas and Propagation
Online Access:http://dx.doi.org/10.1155/2014/892765
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author Qiang Wang
Yan Zhang
author_facet Qiang Wang
Yan Zhang
author_sort Qiang Wang
collection DOAJ
description A new compact ultra-wideband (UWB) antenna with triband-notched characteristics is presented. The structure of the proposed antenna is simple and symmetric. A modified ground is introduced to obtain a wide impedance bandwidth of 2.9–13.4 GHz with S11<-10 dB. By inserting two arc-shaped slots in the radiation patch, two sharp bands of 3.3–3.7 GHz and 5.15–5.35 GHz are notched. The notch band of 7.25–7.75 GHz is achieved by etching a U-shaped slot in the ground plane. The notched bands can be controlled, respectively, while the characteristics of the proposed UWB antenna almost keep completely unchanged at the unnotched frequencies. Equivalent circuit models, surface current distributions, and input impedance are applied to analyze the principle of the proposed UWB antenna. Parametric studies are given. Simulated and measured results show that the proposed antenna has good impedance matching, stable radiation patterns, and constant gain.
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institution Kabale University
issn 1687-5869
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publishDate 2014-01-01
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series International Journal of Antennas and Propagation
spelling doaj-art-d7807bf25cd14d1ab46a6ecb52031d742025-02-03T01:12:06ZengWileyInternational Journal of Antennas and Propagation1687-58691687-58772014-01-01201410.1155/2014/892765892765Design of a Compact UWB Antenna with Triple Band-Notched CharacteristicsQiang Wang0Yan Zhang1Shandong University of Science and Technology, Tai’an Campus, Taian 271019, ChinaCollege of Electronic and Information, Nanjing College of Information Technology, Nanjing 210023, ChinaA new compact ultra-wideband (UWB) antenna with triband-notched characteristics is presented. The structure of the proposed antenna is simple and symmetric. A modified ground is introduced to obtain a wide impedance bandwidth of 2.9–13.4 GHz with S11<-10 dB. By inserting two arc-shaped slots in the radiation patch, two sharp bands of 3.3–3.7 GHz and 5.15–5.35 GHz are notched. The notch band of 7.25–7.75 GHz is achieved by etching a U-shaped slot in the ground plane. The notched bands can be controlled, respectively, while the characteristics of the proposed UWB antenna almost keep completely unchanged at the unnotched frequencies. Equivalent circuit models, surface current distributions, and input impedance are applied to analyze the principle of the proposed UWB antenna. Parametric studies are given. Simulated and measured results show that the proposed antenna has good impedance matching, stable radiation patterns, and constant gain.http://dx.doi.org/10.1155/2014/892765
spellingShingle Qiang Wang
Yan Zhang
Design of a Compact UWB Antenna with Triple Band-Notched Characteristics
International Journal of Antennas and Propagation
title Design of a Compact UWB Antenna with Triple Band-Notched Characteristics
title_full Design of a Compact UWB Antenna with Triple Band-Notched Characteristics
title_fullStr Design of a Compact UWB Antenna with Triple Band-Notched Characteristics
title_full_unstemmed Design of a Compact UWB Antenna with Triple Band-Notched Characteristics
title_short Design of a Compact UWB Antenna with Triple Band-Notched Characteristics
title_sort design of a compact uwb antenna with triple band notched characteristics
url http://dx.doi.org/10.1155/2014/892765
work_keys_str_mv AT qiangwang designofacompactuwbantennawithtriplebandnotchedcharacteristics
AT yanzhang designofacompactuwbantennawithtriplebandnotchedcharacteristics