Tunable ring-loaded patch element for beam-steerable reflectarray applications

Author

Trampler, Michael E. ; Karnati, K.K. ; Xun Gong

Author_Institution

Dept. of Electr. Eng. & Comput. Sci., Univ. of Central Florida, Orlando, FL, USA

fYear

2014

fDate

6-11 July 2014

Firstpage

1027

Lastpage

1028

Abstract

In this paper, a tunable multi-resonant element designed by coupling a ring element to a microstrip patch antenna is presented. By loading the antenna element with a variable Barium Strontium Titanate (BST) capacitor, tunability is realized. To showcase its enhanced performance, compared to single resonant elements, a reference patch and a ring are also simulated. The ring-loaded patch element is shown to have a significantly higher phase range and enhanced bandwidth compared to the reference elements. The presented unit cell finds applications where higher phase ranges and compact form-factor are desired for reflectarray design.

Keywords

barium compounds; beam steering; capacitors; circuit tuning; microstrip antennas; reflectarray antennas; barium strontium titanate capacitor; beam-steerable reflectarray application; compact form-factor; microstrip patch antenna; phase range; tunability; tunable multiresonant element; tunable ring-loaded patch element; variable BST capacitor; Antennas; Indexes; Microwave measurement; Radio access networks; BST; Microstrip antennas; rectangular waveguides; reflectarray;

fLanguage

English

Publisher

ieee

Conference_Titel

Antennas and Propagation Society International Symposium (APSURSI), 2014 IEEE

Conference_Location

Memphis, TN

ISSN

1522-3965

Print_ISBN

978-1-4799-3538-3

Type

conf

DOI

10.1109/APS.2014.6904840

Filename

6904840