Very Small Dual Band-Notched Rectangular Slot Antenna With Enhanced Impedance Bandwidth

被引：64
作者：
Emadian, Seyed Ramin [1 ]
Ahmadi-Shokouh, Javad [1 ]
机构：
[1] Univ Sistan & Baluchestan, Dept Telecommun Engn, Zahedan 9816745845, Iran
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2015年 / 63卷 / 10期
关键词：
Beveled rectangular slot; dual band-notched properties; semicircle slot; S-shaped and elliptical ring slots (ERSs); COPLANAR WAVE-GUIDE; MONOPOLE ANTENNA; UWB APPLICATIONS; MICROSTRIP LINE; STOP FUNCTION; CPW; PATCH;
D O I：
10.1109/TAP.2015.2456905
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 very small coplanar waveguide (CPW)-fed rectangular slot antenna with dual band-notched characteristics for super ultrawideband (UWB-3) applications is proposed. This antenna consists of a rectangular slot, a beveled rectangular patch, two S-shaped slits cut in the ground plane and an elliptical ring slot (ERS) etched in the patch. The corners of a simple rectangular patch are beveled to improve the impedance bandwidth, especially at the middle frequencies of the band. In addition, a pair of semicircle slots is etched in the ground plane to enhance the bandwidth to more than 23 GHz. A pair of S-shaped slits connected to the rectangular slot, and an ERS cut in the beveled rectangular patch, is employed to create band-notched performances in WiMAX and WLAN spectrum, respectively. The proposed antenna has a very small size of 15 x 15 mm(2), and therefore, it is one of the smallest UMB slot antennas that have been reported until now, and provide a very wide impedance bandwidth from 2.6 to more than 23 GHz for VSWR < 2 with dual band-notched properties.
引用
收藏
页码：4529 / +
页数：7
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