Apparatus and method for detection of antenna mispointing in sat

Details Apparatus and method for detection of antenna mispointing in sat Apparatus and method for detection of antenna mispointing in sat

1997-06-17

1999-08-03

Issing, Gregory C.

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

Directive

Including antenna orientation

455 10, H01Q 300, H04B 160

Patent

active

059331119

ABSTRACT:
An apparatus and method for detecting an antenna mispointing condition of an earth station. A noise floor detector, coupled to a received radio communications link signal, measures a noise floor of a selected frequency band in which no radio signals are normally present. A controller, coupled to the noise detector, detects an antenna mispointing condition when a signal strength of the received radio communications link signal is less than a predetermined signal strength and a difference between the measured noise floor and a baseline noise floor measurement is less than a predetermined difference.

REFERENCES:
patent: 4785302 (1988-11-01), Ma et al.
patent: 4888596 (1989-12-01), Conanan
patent: 4977615 (1990-12-01), Suzuki et al.

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