System and method for intermittent satellite communication with a fixed antenna
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United States of America Patent
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May 1, 2001
Grant Date -
N/A
app pub date -
Sep 23, 1997
filing date -
Sep 23, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A low-cost, low maintenance earth-based station is disclosed which includes a fixed aperture antenna directed to a fixed location. The system operates with a plurality of non-geosynchronous satellites that will periodically pass through a beam coverage region of the antenna. When one of the satellites comes within range of the earth-based station, the earth-based station detects the presence of the satellite and synchronizes the earth-based station with the satellite. When synchronization is complete, the earth-based station transmits stored data to the satellite. The data to be transmitted is stored within a data storage device that may be present at the earth-based station or remotely located and transmitted to the earth-based station using conventional techniques. The data may be transferred to the earth-based station from a remote data storage facility in response to a polling request after the satellite has been detected within range of the antenna, or automatically transferred from the remote storage facility and temporarily stored at the earth-based station in anticipation of the next satellite to come within range.
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