Communications: directive radio wave systems and devices (e.g. – Directive – Including antenna orientation
Reexamination Certificate
2006-01-24
2006-01-24
Tarcza, Thomas H. (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
Directive
Including antenna orientation
Reexamination Certificate
active
06989787
ABSTRACT:
Provided is an antenna system for satellite communication and a method for tracking satellite signals using the same, in which moving vehicles or vessels can perform a satellite multimedia communication. The method for tracking a satellite signal using the antenna system includes the steps of: a) setting a satellite signal reception environment by performing an electronic tracking in the elevation direction through an electronic beam steering control and performing a mechanical tracking for driving a rotating element in an azimuth direction; and b) stopping a drive of the rotating element in the azimuth direction, and setting a satellite signal transmission environment by using the satellite signal reception environment. According to the present invention, since both one-dimensional phase array control of the elevation and azimuth and one-dimensional mechanical control are used, it is possible to provide the economical and effective system compared with two-dimensional phase array antenna.
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Theoretical Analysis for Beam Pointing Accuracy of Stair-Planar Phased Array Antenna with Tracking Beam, Seong Ho Son et al., IEEE Antennas and Propagation Society International Symposium, vol. 4, 2003 Digest, Jun. 22-27, 2003, pp. 204-207.
Jeon Soon-Ik
Park Ung-Hee
Son Seong-Ho
Yun Jae-Seung
Blakely & Sokoloff, Taylor & Zafman
Electronics and Telecommunications Research Institute
Mull F H
Tarcza Thomas H.
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