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Deformed Antenna Pattern Compensation Technique for Multi-Beam Antennas in Broadband and Scalable Mobile Communications Satellites

Yoshinori SUZUKI, Satoshi HARADA, Kiyoshi KOBAYASHI, Masazumi UEBA

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Summary :

To create a next-generation mobile satellite communication system that offers large communication capacity, the onboard antenna system must be a multi-beam system consisting of a light weight 20-m class reflector and a light weight 100-beam class antenna feed system. We clarify that the antenna gain decrease created by the reflector surface distortion expected in orbit is relatively large. This paper presents a deformed antenna pattern compensation method that minimizes circuit scale. Validity of the proposed method is confirmed by antenna pattern calculations and experiments on a fabricated array-fed reflector antenna.

Publication
IEICE TRANSACTIONS on Communications Vol.E90-B No.9 pp.2280-2287
Publication Date
2007/09/01
Publicized
Online ISSN
1745-1345
DOI
10.1093/ietcom/e90-b.9.2280
Type of Manuscript
Special Section PAPER (Special Section on 2006 International Symposium on Antennas and Propagation)
Category
Antennas

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