Triple band-notched UWB antenna using novel asymmetrical resonators

被引：14
|
作者：
Wang, Ziyang [1 ]
Liu, Jinhai [1 ]
Yin, Yingzeng [1 ]
机构：
[1] Xidian Univ, Sci & Technol Antenna & Microwave Lab, Xian 710071, Shaanxi, Peoples R China
来源：
AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS | 2016年 / 70卷 / 12期
关键词：
UWB antenna; Triple band-notched; Asymmetrical resonators; MONOPOLE ANTENNA; MICROSTRIP ANTENNA; DESIGN; BANDWIDTH; PLANE; PATCH;
D O I：
10.1016/j.aeue.2016.10.001
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 paper, a new Ultra-wideband (UWB) antenna with triple band-notched characteristics is presented. The antenna is composed of a semicircular radiator ended with trapezoidal structure, a rectangular ground plane, and occupies a compact structure of size 30 x 30 mm(2). By employing a parasitic strip in the backside of the radiator, etching a pair of inverted-L slots on the ground plane and introducing novel asymmetrical resonators alongside the feed line, three rejected bands are obtained. The proposed antenna provides an extremely wideband width ranging from 3.0 GHz to 12 GHz (vertical bar S11 vertical bar<-10 dB), except the tri-rejection bands of 3.39-3.88 GHz, 5.11-5.97 GHz, and 8.0-8.71 GHz. Furthermore, the antenna achieves a square shape in the second notched band. In addition, cross polarization, radiation patterns and moderate gains are also investigated. Good agreement is obtained between the measurement and simulation, indicating the antenna is promising for UWB applications. (C) 2016 Elsevier GmbH. All rights reserved.
引用
收藏
页码：1630 / 1636
页数：7
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