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An 8-element switched-beam array antenna for mobile satellite communications

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2 Author(s)
Karmakar, N.C. ; Dept. of Comput. Sci., Queensland Univ., St. Lucia, Qld., Australia ; Bialkowski, M.E.

Conventional designs of phased array antennas for mobile satellite communications carry a high price tag. Hence antenna designers look for alternative low-cost solutions. In the paper, the design and development of a low-cost 8-element switched-beam array antenna is presented. The array elements are arranged in a circle on the side of a truncated cone whose inclination angle matches the satellite look angle. The heart of the system is a radial switch that activates two elements facing the satellite and deactivates the remaining six elements. In order to produce additional beams, each antenna element is equipped in a 1-bit phase shifter. The performance of individual sub-systems and the entire array is presented

Published in:

TENCON '98. 1998 IEEE Region 10 International Conference on Global Connectivity in Energy, Computer, Communication and Control  (Volume:2 )

Date of Conference:

1998