Band-notched inverted-cone monopole antenna for compact UWB systems

被引：22

作者：

Gayathri, R. ^{[1
]}

Jisney, T. U. ^{[1
]}

Krishna, D. D. ^{[1
]}

Gopikrishna, M. ^{[1
]}

Aanandan, C. K. ^{[1
]}

机构：

[1] Cochin Univ Sci & Technol, Dept Elect, Ctr Res Electromagnet & Antennas, Cochin 682022, Kerala, India

来源：

ELECTRONICS LETTERS | 2008年 / 44卷 / 20期

关键词：

Band-notch characteristics - Microstrip fed - Omnidirectional radiation pattern - Radiating patches - Slot resonator - Transmission characteristics - Ultrawideband monopole antennas - Wideband matching;

D O I：

10.1049/el:20081770

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 microstrip-fed planer ultra-wideband monopole antenna with band-notch characteristics is proposed. The antenna size is compact (18 x 30 mm) and operates over an extremely wide band of 3-16 GHz. The proposed design consists of an inverted cone as the radiating patch and a tapered ground plane. Wideband matching is obtained by properly shaping the ground. A pair of symmetrically placed quarter wave slot resonators is embedded in the ground plane for rejecting the 5-6 GHz WLAN band. Results indicate a stable and omnidirectional radiation pattern with an average gain of 3 dBi and a sharp reduction in gain at notched frequencies. Moreover, measured group delay and transmission characteristics show excellent transient response.

引用

页码：1170 / 1171

页数：2

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