Design of a Multiprobe Planar Near-Field Scanner for Ku-Band
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A4 Artikkeli konferenssijulkaisussa
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Date
2023
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en
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45th Annual Meeting and Symposium of the Antenna Measurement Techniques Association, AMTA 2023 - Proceedings, AMTA proceedings
Abstract
Demand for broadband connectivity in moving platforms on land, sea, and air has opened the mass market for low-cost mobile ground-station terminals that employ electrically steerable antennas. The antennas of these terminal units need to be tested in a production line environment. Planar near-field scanning is considered as a convenient measurement method, but the time needed for conventional scanning may be prohibitive. In this paper, the design of a multiprobe planar near-field scanner for rapid antenna testing at Ku-band is presented. A probe array is moved along a spiral path to avoid large accelerations and decelerations of the probe array, and the near-field sampling is done simultaneously with multiple of respective receivers. Thus, the data acquisition time is significantly reduced compared to the single probe or receiver measurement. A preliminary antenna test-system design for the mobile ground-station terminal antennas operating at Ku-band is presented. The numerical results for simple representative antenna models suggest good performance of the system.Description
Funding Information: ACKNOWLEDGMENTS The work has been supported by ESA, through ARTES programme (4000126744 /19/NL/CLP). The authors would like to thank Dr. Torsti Poutanen, Mr. Leevi Sulonen, and Mr. Jouko Rautio from DA Design for discussion of practical aspects. Publisher Copyright: © 2023 AMTA.
Keywords
Antenna measurements, Ku-band, multi-probe, Planar near-field measurement, spiral scan
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Citation
Ala-Laurinaho, J, Karki, S K, Viikari, V, Alanne, A, Lehto, R, Moseley, P & Simeoni, M 2023, Design of a Multiprobe Planar Near-Field Scanner for Ku-Band . in 45th Annual Meeting and Symposium of the Antenna Measurement Techniques Association, AMTA 2023 - Proceedings . AMTA proceedings, IEEE, Annual Meeting and Symposium of the Antenna Measurement Techniques Association, Seattle, Washington, United States, 08/10/2023 . https://doi.org/10.23919/AMTA58553.2023.10293503