Compact wideband omnidirectional UHF antenna for TV white space cognitive radio application

被引：10
|
作者：
Wang, Naizhi [1 ]
Gao, Yue [2 ]
Zeng, Qingsheng [3 ,4 ]
机构：
[1] China Elect Technol Grp Corp, Res Inst 14, Nanjing 210039, Jiangsu, Peoples R China
[2] Queen Mary Univ London, Sch Elect Engn & Comp Sci, London E1 4NS, England
[3] Shanxi Univ, Sch Phys & Elect Engn, Taiyuan 030006, Peoples R China
[4] Univ Ottawa, Sch Elect Engn & Comp Sci, Ottawa, ON K1N 6N5, Canada
来源：
AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS | 2017年 / 74卷
基金：
英国工程与自然科学研究理事会;
关键词：
TV white space; Cognitive radio; Wideband UHF antenna; Omnidirectional radiation; MONOPOLE ANTENNA;
D O I：
10.1016/j.aeue.2017.02.011
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：
This paper presents design and analysis of a compact wideband omnidirectional antenna for application in TV white space cognitive radio. The proposed antenna mainly consists of a monopole, a pair of parasitic elements, and a brief impedance matching network, all etched on an FR4 substrate. To obtain physical insight, an equivalent circuit is modelled and analysed to reveal the contribution of each part of the antenna to its bandwidth enhancement. Performance of the antenna is evaluated by simulations, and then further validated by experiments. Experimental results show that the antenna has an impedance bandwidth (voltage standing wave ratio less than 2) ranging from 460 MHz to 870 MHz, as well as omnidirectional radiation patterns in H-plane through the whole band. (C) 2017 Elsevier GmbH. All rights reserved.
引用
收藏
页码：158 / 162
页数：5
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