Ultrawideband band-notched folded strip monopole antenna

被引：111
作者：
Ma, Tzyh-Ghuang [1 ]
Wu, Sung-Jung [1 ]
机构：
[1] Natl Taiwan Univ Sci & Technol, Dept Elect Engn, Taipei 10607, Taiwan
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2007年 / 55卷 / 09期
关键词：
antenna transient analysis; equivalent circuits; monopole antennas; ultrawideband (UWB) antennas;
D O I：
10.1109/TAP.2007.904137
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：
We propose I new band-notched folded strip monopole antenna for ultrawideband applications. This Antenna is composed of a forked-shape radiator and a 50 Omega microstrip line. To achieve band-rejected filtering property at the WLAN bands, the forked-shape strips are folded back and result in a pair of coupled lines on the radiator. The length and gap width of the coupled lines primarily determine the notched frequency of the antenna. Based on the band-notched resonance, an equivalent circuit model is proposed for the antenna and the calculated antenna input admittance agrees with the full-wave simulation data. With the help of the dimensionless normalized antenna transfer function, the radiation characteristics are investigated thoroughly. The transmission responses of a transceiving antenna system and their corresponding transient analysis are discussed at the end of this paper.
引用
收藏
页码：2473 / 2479
页数：7
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