DESIGN OF NOVEL WIDEBAND MONOPOLE ANTENNA WITH A TUNABLE NOTCHED-BAND FOR 2.4 GHZ WLAN AND UWB APPLICATIONS

被引：14
|
作者：
Yang, Y. -B. [1 ]
Zhang, F. -S. [1 ]
Zhang, F. [1 ]
Zhang, L. [1 ]
Jiao, Y. -C. [1 ]
机构：
[1] Xidian Univ, Natl Key Lab Antenns & Microwave Technol, Xian 710071, Shaanxi, Peoples R China
来源：
PROGRESS IN ELECTROMAGNETICS RESEARCH LETTERS | 2010年 / 13卷
关键词：
D O I：
10.2528/PIERL09121203
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 article, a novel wideband planar monopole antenna for applications in 2.4 GHz WLAN and UWB bands is presented and investigated. The proposed antenna is composed of a gourd-like radiation element fed by a 50 Ohm microstrip line and a step-shaped ground plane. A pair of slot lines is etched symmetrically on the ground plane to obtain the 5 GHz band-notched characteristic, and the notched band can be tuned. The proposed antenna is successfully simulated, designed, and measured. The measured results agree reasonably with the simulated ones. According to the measured results, the proposed antenna yields a wide bandwidth ranging from 2.2 to 11 GHz for VSWR less than 2, except the notched band of 5.1-6.2 GHz for 5 GHz WLAN. Moreover, it exhibits nearly omnidirectional radiation patterns, stable gain, and small group delay variation across the operation band, which meets the requirements of 2.4 GHz WLAN and UWB applications.
引用
收藏
页码：93 / 102
页数：10
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