Autonomous projection of global navigation satellite orbits
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United States of America Patent
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Dec 20, 2011
Grant Date -
Nov 11, 2010
app pub date -
Jan 7, 2008
filing date -
Jan 7, 2008
priority date (Note) -
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Abstract
In a method of autonomous orbit projection performed within a Global Navigation Satellite System (GNSS) receiver, distinct broadcast orbits are received over time from a GNSS satellite during operation of the GNSS receiver. A plurality of the distinct broadcast orbits are stored within the GNSS receiver. Within the GNSS receiver, a plurality of the stored broadcast orbits are converted into a time series of range data for the GNSS satellite. A projected orbit for the GNSS satellite is determined by utilizing the time series of range data as an input to an orbit projector of the GNSS receiver.
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