A miniature UWB planar monopole antenna with 5-GHz band-rejection filter and the time-domain characteristics

被引：281
作者：
Cho, Young Jun [1 ]
Kim, Ki Hak
Choi, Dong Hyuk
Lee, Seung Sik
Park, Seong-Ook
机构：
[1] Samsung Elect Co, Suwon 442742, South Korea
[2] Informat & Commun Univ, Sch Engn, Taejon 305714, South Korea
[3] Elect & Telecommun Res Inst, Taejon 305600, South Korea
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2006年 / 54卷 / 05期
关键词：
roup delay; short pulse characteristics; time domain characteristics; ultrawideband (UWB); ultrawideband (UWB) antenna;
D O I：
10.1109/TAP.2006.874354
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 planar monopole antenna with a staircase shape and small volume (25 x 26 x 1 mm(3)) is proposed in this paper. With the use of a half-bowtie radiating element, the staircase-shape, and a modified ground plane structure, the proposed antenna has a very wide impedance bandwidth measured at about 11.6 GHz (2.9-14.5 GHz, bandwidth ratio about 1:5) below VSWR 2 including the WLAN band notched in the vicinity of 5 GHz. An omnidirectional radiation pattern is obtained. The group delay which is an indication of linearity between two proposed antennas is less than 1 ns. The electrical characteristics in terms of frequency and time domains and physical ones of the proposed antenna make it attractive for use in ultrawideband (UWB) systems.
引用
收藏
页码：1453 / 1460
页数：8
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