Antenna beam pointing method for satellite mobile communications

Details Antenna beam pointing method for satellite mobile communications Antenna beam pointing method for satellite mobile communications

1991-04-19

1993-08-31

Issing, Gregory C.

Communications: directive radio wave systems and devices (e.g.,

Directive

Including a satellite

342359, 342 77, H04B 7185, H01Q 300, G01S 1300

Patent

active

052413195

ABSTRACT:
A method for tracking a satellite in a land mobile satellite communications system is disclosed. A rate gyro is provided for use in the event that an automatic satellite tracking is prevented. The satellite is automatically tracked using a receive signal level if the receive signal level equals or exceeds a threshold. An output of the rate gyro is constantly compensated while automatically tracking the satellite. When the receive signal level falls below the threshold and the automatic satellite tracking becomes unable, the satellite is tracked using the compensated output of the rate gyro.

REFERENCES:
patent: 4084159 (1978-04-01), Anderson et al.
patent: 4459667 (1984-07-01), Takeuchi
patent: 4590476 (1986-05-01), Burkett
patent: 4752843 (1988-02-01), Suzuki et al.
patent: 5030958 (1991-07-01), Schmalenberger et al.

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