A wideband pattern reconfigurable antenna with compact switchable feed structure

Author

Li, Yue ; Zhang, Zhijun ; Feng, Zhenghe ; Iskander, Magdy F. ; Li, Ruihong

Author_Institution

Tsinghua Nat. Lab. for Inf. Sci. & Technol., Beijing, China

fYear

2010

fDate

8-11 May 2010

Firstpage

1012

Lastpage

1015

Abstract

In order to design wideband pattern reconfigurable antenna, a compact switchable CPW-to-slotline transition feed structure is proposed in this paper. In the slotline feed, one slot of CPW is used as feed line, and the other slot serves as open stub for matching. No other structure is involved for the transition from CPW to slotline. Base on the switchable feed structure, one CPW mode and two slot modes are switched by two PIN diodes for reconfigurable pattern. The proposed antenna is simulated and the critical parameter is studied. The -10 dB bandwidth of all the modes can cover 2.5 GHz (2.9 GHz-5.4 GHz), with the gain better than 2.8 dBi.

Keywords

UHF antennas; antenna feeds; broadband antennas; coplanar waveguides; p-i-n diodes; slot antennas; slot lines; PIN diodes; bandwidth 2.5 GHz; compact switchable CPW-to-slotline transition feed structure; open stub; slot modes; wideband pattern reconfigurable antenna; Antenna feeds; Antenna radiation patterns; Bandwidth; Broadband antennas; Communication switching; Coplanar waveguides; Mobile antennas; Slot antennas; Slotline; Switches;

fLanguage

English

Publisher

ieee

Conference_Titel

Microwave and Millimeter Wave Technology (ICMMT), 2010 International Conference on

Conference_Location

Chengdu

Print_ISBN

978-1-4244-5705-2

Type

conf

DOI

10.1109/ICMMT.2010.5525116

Filename

5525116