Communications: directive radio wave systems and devices (e.g. – Directive – Including antenna orientation
Patent
1998-07-07
2000-02-08
Hellner, Mark
Communications: directive radio wave systems and devices (e.g.,
Directive
Including antenna orientation
H01Q 300
Patent
active
060232420
ABSTRACT:
An Earth station having an antenna is configured to establish communication with a satellite. The Earth station stores a table of satellite position data for a plurality of satellites and is configurable to enable its own location position on the surface of the Earth as well as the azimuth and elevation of its antenna to be obtained. The tabulated satellite position data is then utilised to calculate the position of the satellite in relation to the location position. Thereafter at least one of the satellites is selected with which to establish communication and in response to the selection and the obtained azimuth and elevation, a direction is determined in which to configure the antenna for operation with the at least one selected satellite. Following determination of the direction, the antenna is configured for operation with the at least one selected satellite. The location position and the azimuth and elevation of the antenna may be determined through the Earth station comprising a GPS receiver. The Earth station may be configured as a mobile, portable or fixed unit and the invention is configurable to enable communication to be established with geostationary satellites, non-geostationary satellites or a combination of both geostationary and non-geostationary satellites.
REFERENCES:
patent: 5347286 (1994-09-01), Babitch
patent: 5471219 (1995-11-01), Rodeffer et al.
patent: 5585804 (1996-12-01), Rodeffer
patent: 5678171 (1997-10-01), Toyama et al.
patent: 5860056 (1999-01-01), Pond
patent: 5880693 (1999-03-01), Drummer
Hellner Mark
Northern Telecom Limited
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