Novel Planar UWB Monopole Antenna With Triple Band-Notched Characteristics

被引：106
|
作者：
Li, Wen Tao [1 ]
Shi, Xiao Wei [1 ]
Hei, Yong Qiang [2 ]
机构：
[1] Xidian Univ, Natl Key Lab Antenna & Microwave Technol, Dept Elect Engn, Xian 710071, Peoples R China
[2] Xidian Univ, State Key Lab ISN, Xian 710071, Peoples R China
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2009年 / 8卷
关键词：
Omega-shaped slot; planar monopole antenna; triple notched bands; ultrawideband (UWB) antenna; ULTRAWIDEBAND ANTENNA;
D O I：
10.1109/LAWP.2009.2033449
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 novel spade-shaped ultrawideband (UWB) printed planar monopole antenna with triple band-notched characteristics is proposed. By employing a hook-shaped defected ground structure (DGS) in each side of the ground plane, embedding an shaped slot on the radiating patch as well as adding a semi-octagon-shaped resonant ring on the back side of the antenna, triple notched frequency bands are achieved. The proposed antenna has been successfully simulated, fabricated, and measured. Effects of the key parameters on the frequency ranges of the notched bands are also investigated. The measured impedance bandwidth defined by VSWR < 2 of 10.1 GHz (2.9-13 GHz), with the triple notched bands of 3.3-3.9, 5.2-5.35, and 5.8-6.0 GHz, is obtained. Measured group delay and transmission characteristics indicate that the antenna has good transient response. Furthermore, the proposed antenna shows the merit of insensitivity to both finite ground size and fabrication tolerances.
引用
收藏
页码：1094 / 1098
页数：5
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