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Research Article

ScienceAsia 25 (1999) : 231-236 |doi: 10.2306/scienceasia1513-1874.1999.25.231


A Steerable Spherical Slot Array Antenna

Monai Krairiksh*, Chanchai Thongsopa, Chuwong Phongcharoenpanich, Ekajit Khoomwong and Chaiwat Leekpai

ABSTRACT: This paper investigates the principle of a steerable spherical slot array antenna. By combining the advantages of a spherical array in which the beam shape can be kept constant as it is steered in any direction, a simple beam steering mechanism of an active array antenna and a simple array element, a cost effective steerable antenna can be achieved. This antenna is useful in a mobile communication system.

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Department of Civil Engineering, King Mongkut's University of Technology Thonburi, Bangkok 10140, Thailand.

* Corresponding author.

Received 16 February 1999.