COMPACT BAND-NOTCHED ULTRA-WIDEBAND ANTENNA USING DEFECTED GROUND STRUCTURE

被引：17
作者：
Li, Li-Xian [1 ]
Zhong, Shun-Shi [1 ]
Chen, Min-Hua [1 ]
机构：
[1] Shanghai Univ, Sch Commun & Informat Engn, Shanghai 200072, Peoples R China
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2010年 / 52卷 / 02期
关键词：
band-notched; ultra-wideband (UWB) antenna; U-shaped DGS; coplanar waveguide (CPW); ULTRAWIDEBAND ANTENNA; MONOPOLE;
D O I：
10.1002/mop.24946
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：
A compact printed monopole ultra-wideband (UWB) antenna with the band-notched function is proposed. The antenna consists of a fan-shaped metal patch and a trapeziform ground with a 50 Omega tapered coplanar waveguide (CPW) transmission line. By simply adjusting the length of the U-shaped defected ground structure (DGS) in the ground plane, the band-rejected filtering properties for the WLAN band is achieved. The proposed antenna is successfully simulated, designed, and measured, which shows an ultra-wide matched impedance band front 3 to 15 GHz for VSWR <= 2 with a stop-band of 5-6 GHz. The stable radiation patterns are also obtained. (C) 2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 52: 286-289, 2010 Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24946
引用
收藏
页码：286 / 289
页数：4
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