A novel approach for bandwidth enhancement of SIW-based slot array antenna

Author

Farahani, H. Sarbandi ; Kabir-Salmani, A. ; Tayarani, M. ; Sadeghzadeh, R.A. ; Chamaani, S.

Author_Institution

Khajeh Nasir Toosi Univ. of Technol., Tehran, Iran

fYear

2012

fDate

26-30 March 2012

Firstpage

1

Lastpage

3

Abstract

In this paper, a new approach for bandwidth enhancement of slot array antenna is presented. The idea is to use fractal-shaped slots to increase bandwidth for return loss less than -10dB up to 12.1% which is about 2.5 times that of the conventional one. The proposed antenna is designed at the operating frequency range of 10.850 GHz to 12.250 GHz targeting in x-band applications such as synthetic aperture radar (SAR) systems. The Substrate Integrated Waveguide (SIW) technology is effectively used to feed the slots and therefore the proposed antenna has the advantages of low-profile, low-cost and broadband.

Keywords

antenna feeds; microwave antenna arrays; slot antenna arrays; substrate integrated waveguides; SIW-based slot array antenna; X-band applications; bandwidth enhancement; fractal-shaped slots; frequency 10.85 GHz to 12.25 GHz; return loss; substrate integrated waveguide technology; synthetic aperture radar systems; Antenna arrays; Arrays; Bandwidth; Broadband antennas; Fractals; Slot antennas; Broadband antenna; Slot array antenna; Substrate Integrated Waveguide; fractal;

fLanguage

English

Publisher

ieee

Conference_Titel

Antennas and Propagation (EUCAP), 2012 6th European Conference on

Conference_Location

Prague

Print_ISBN

978-1-4577-0918-0

Electronic_ISBN

978-1-4577-0919-7

Type

conf

DOI

10.1109/EuCAP.2012.6206437

Filename

6206437