Method and apparatus for locating mobile receivers using a wide area reference network for propagating ephemeris
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United States of America Patent
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Jun 25, 2002
Grant Date -
N/A
app pub date -
Jul 13, 2000
filing date -
Jul 13, 2000
priority date (Note) -
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Abstract
A method and apparatus for distribution and delivery of global positioning system (GPS) satellite telemetry data using a communication link between a central site and a mobile GPS receiver. The central site is coupled to a network of reference satellite receivers that send telemetry data from all satellites to the central site. The mobile GPS receiver uses the delivered telemetry data to aid its acquisition of the GPS satellite signal. The availability of the satellite telemetry data enhances the mobile receiver's signal reception sensitivity.
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