An improved broadband miniaturized loaded open sleeve antenna

Author

Chen, J. ; Fu, G. ; Wu, G.-D. ; Gong, S.-X.

Author_Institution

Key Nat. Lab. of Antennas & Microwave Technol., Xidian Univ., Xi´´an, China

fYear

2010

fDate

8-11 May 2010

Firstpage

325

Lastpage

328

Abstract

A novel improved loaded open sleeve antenna is proposed for broadband application in UHF/VHF. This proposed open sleeve antenna has symmetry distribution of the parasitic elements which can commendably solve the problem of horizontal pattern asymmetry of conventional open sleeve antenna. Top loading technology is adopted simultaneously which minimize the size of the antenna by 32%. Meanwhile, tandem inductor/resistor circuit designed by means of genetic algorithm (GA) optimizers is taken as a load to maximize the bandwidth of this antenna. Finally, this proposed antenna has a bandwidth of 6: 1 in UHF/VHF. The measured voltage standing-wave ratio (VSWR) and horizontal gain of this antenna agree well with data obtained from simulations.

Keywords

broadband networks; genetic algorithms; monopole antennas; UHF/VHF; VSWR; broadband miniaturized loaded open sleeve antenna; genetic algorithm optimizers; open sleeve antenna; sleeve monopole antennas; standing-wave ratio; symmetry distribution; Algorithm design and analysis; Bandwidth; Broadband antennas; Design optimization; Genetic algorithms; Inductors; Loaded antennas; Resistors; UHF antennas; VHF circuits;

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.2010.5524951

Filename

5524951