A compact switched-beam array antenna for mobile satellite communications

Karmakar, N. C. and Bialkowski, M. E. (1999) A compact switched-beam array antenna for mobile satellite communications. Microwave and Optical Technology Letters, 21 3: 186-191. doi:10.1002/(SICI)1098-2760(19990505)21:3<186::AID-MOP9>3.0.CO;2-7

Author Karmakar, N. C.
Bialkowski, M. E.
Title A compact switched-beam array antenna for mobile satellite communications
Journal name Microwave and Optical Technology Letters   Check publisher's open access policy
ISSN 0895-2477
Publication date 1999
Sub-type Article (original research)
DOI 10.1002/(SICI)1098-2760(19990505)21:3<186::AID-MOP9>3.0.CO;2-7
Volume 21
Issue 3
Start page 186
End page 191
Total pages 6
Editor K Chang
Place of publication New York
Publisher Wiley InterScience
Collection year 1999
Language eng
Subject C1
291701 Antenna Technology
700302 Telecommunications
Abstract This paper presents the design and development of a compact switched-beam array antenna for operation with the Australian mobile satellite communications system. Mobilesat(TM). The antenna is formed by eight aperture-coupled microstrip patch elements that are positioned on the side of a truncated comb Two elements, facing the satellite, are activated using an eight-way two-ports-on radial switch. The output ports of the radial switch incorporate 1-bit phase shifters A total of 24 beams are produced using this beam-forming system. lit order to reduce the manufacturing cost, inexpensive substrates and low-cost UHF p-i-n diodes are employed Further reduction in cast is achieved by eliminating coaxial connectors between the beam-forming network and the antenna elements. Experimental results are presented for the individual antenna elements, the beam-forming network, and the entire switched-beam array. (C) 1999 John Wiley & Sons, Inc.
Keyword Engineering, Electrical & Electronic
Switched-beam Array
Mobile Satellite Communications
Dual-feed Aperture-coupled Patch Antenna
Radial Switch
Lc-compensated P-i-n Diode Switches
Q-Index Code C1

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Information Technology and Electrical Engineering Publications
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Created: Tue, 10 Jun 2008, 15:12:25 EST