60 GHz beam-steering slotted patch antenna array using liquid crystal phase-shifters

Author

Deo, Prafulla ; Mirshekar-Syahkal, Dariush

Author_Institution

Sch. of Comput. Sci. & Electron. Eng., Univ. of Essex, Colchester, UK

fYear

2012

fDate

8-14 July 2012

Firstpage

1

Lastpage

2

Abstract

Liquid crystal based slotted patch antenna array with beam steering capability in one dimension for 60 GHz band is presented. For this array a compact, planar, liquid crystal based meander line phase shifter is designed which have a maximum differential phase shift of 47°. The array element is a slotted patch antenna and is coupled to the microstrip line passing below the array element. A stepped microstrip-to-microstrip transition for feeding the array from the patch side is developed. The final design comprises of a 4×1 slotted patch array, which is able to scan up to 14° in the E-plane as the bias on the liquid crystal changes from zero to saturation voltage.

Keywords

microstrip antenna arrays; phase shifters; slot antenna arrays; array element; beam steering slotted patch antenna array; liquid crystal based meander line phase shifter; maximum differential phase shift; microstrip line passing; saturation voltage; Arrays; Liquid crystals; Microstrip; Microstrip antenna arrays; Microstrip antennas; Patch antennas; Phase shifters;

fLanguage

English

Publisher

ieee

Conference_Titel

Antennas and Propagation Society International Symposium (APSURSI), 2012 IEEE

Conference_Location

Chicago, IL

ISSN

1522-3965

Print_ISBN

978-1-4673-0461-0

Type

conf

DOI

10.1109/APS.2012.6348810

Filename

6348810