Telecommunications – Carrier wave repeater or relay system – Portable or mobile repeater
Patent
1998-03-21
2000-10-03
Trost, William G.
Telecommunications
Carrier wave repeater or relay system
Portable or mobile repeater
455 133, H04B 7185
Patent
active
061284696
ABSTRACT:
The satellite communications system of this invention provides high-gain coverage to a wide geographic area with a minimum number of satellites. The satellites each include a high-gain antenna that periodically sweeps the satellite's service area to receive the messages from remote terminal units within the entire service area. In order to provide high gain, the antenna is designed to have a narrow beamwidth in at least one dimension. To cover the entire area, the antenna's field of view is swept across the entire service area. In the preferred embodiment, the antenna's field of view is essentially rectilinear, having a narrow beamwidth in one dimension and a beamwidth that extends across the entire service area in the other dimension, such that the sweeping effect is akin to that of a common push-broom. Because of the high gain of the satellite antenna, communications via the satellite can be accomplished using a low-gain wide-beamwidth antenna at the remote terminal unit.
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Fleeter Richard D.
Hanson John Eric
McDermott Scott A.
Zenick, Jr. Raymond G.
AeroAstro, Inc.
McDermott Robert M.
Trost William G.
LandOfFree
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