Design and analysis of microstrip DGS patch antenna with enhanced bandwidth for Ku Band applications

Author

Khandelwal, Mukesh Kumar ; Dwari, Santanu ; Kanaujia, Binod Kr ; Kumar, Sudhakar

Author_Institution

Dept. of Electron. Eng., Indian Sch. of Mines, Dhanbad, India

fYear

2013

fDate

13-15 Dec. 2013

Firstpage

1

Lastpage

4

Abstract

A wide band Microstrip antenna with defected ground plane structure is proposed for Ku Band applications. The design procedure is presented and characteristics of the antenna are analyzed. A 50-ohm Microstrip line is used to excite the circular slot integrated in ground plane. The measured results demonstrate that the structure exhibits a wide impedance bandwidth of 56.67% ranging from 9.8 GHz to 17.55 GHz, which covers Ku-band and partially X-band. Within the band, stable radiation characteristics are observed. The designed antenna has a gain ranging from 5dBi to 12.1dBi in impedance bandwidth range. Isolation of about 20dB is observed between the co-polar and cross-polarization level.

Keywords

broadband antennas; defected ground structures; microstrip antennas; microstrip lines; slot antennas; Ku band applications; circular slot design; copolar polarization level; cross-polarization level; defected ground plane structure; enhanced bandwidth; frequency 9.8 GHz to 17.55 GHz; microstrip DGS patch antenna; microstrip line; partially X-band; radiation characteristics; resistance 50 ohm; wideband microstrip antenna; Antenna measurements; Bandwidth; Impedance; Microstrip; Microstrip antennas; Circular slot; Cross-Polarization suppression; Wide band Microstrip antenna; defected ground structure (DGS);

fLanguage

English

Publisher

ieee

Conference_Titel

Microwave and Photonics (ICMAP), 2013 International Conference on

Conference_Location

Dhanbad

Print_ISBN

978-1-4799-2176-8

Type

conf

DOI

10.1109/ICMAP.2013.6733467

Filename

6733467