Title: A Digitally Beam Steerable Antenna Array System for Positioning Based Tracking Applications
Authors: Ali Akbarian, Hadi ×
Van der Westhuisen, Ewald
Wiid, Riaan
Volskiy, Vladimir
Wolhuter, Riaan
Vandenbosch, Guy
Coppin, Pol #
Issue Date: Feb-2014
Publisher: Antennas and Propagation Society of the Institute of Electrical and Electronics Engineers
Series Title: IEEE Antennas & Propagation Magazine vol:56 issue:1 pages:1-3
Abstract: In line-of-sight airborne applications, deployment of a steerable antenna array with higher directivity and gain
makes sense to reduce ground station complexity and cost, while still maintaining a reasonable link budget. This paper
reports on the design, development, and successful testing of a digitally beam steerable phased array antenna integrated
as a complete system, comprising the antenna, hosting platform, ground station, and aircraft based emulator to facilitate
convenient aircraft based testing of the antenna array and ground-air space communication link. Based on the
measurements, the 4x4 element prototype tested reduces the error rate by a factor of 7 in comparison with a 4x4 array
without steering. For the same link quality, the power required is 12 dB lower than in the case of a single element
antenna. With only minor modifications, the concept can even be used in a Low Earth Orbit (LEO) satellite environment.
ISSN: 1045-9243
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Division of Crop Biotechnics
Faculty of Engineering Science - miscellaneous
ESAT- TELEMIC, Telecommunications and Microwaves
× corresponding author
# (joint) last author

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