LOW BANDWIDTH METHOD FOR EPHEMERIS RECOVERY IN OVER-THE-AIR TRANSMISSION
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United States of America Patent
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Oct 22, 2015
app pub date -
Nov 1, 2013
filing date -
Nov 4, 2012
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Abstract
A method and apparatus are disclosed for processing and transmitting precise orbit predictions of satellites in a Global Navigation Satellite System such as Navstar-GPS or a communication device such as Iridium which employs force models and curve fitting techniques so encode ephemerides, and particularly ephemerides of duration of a month, in order to minimize bandwidth requirements over-the-air and NVRAM storage requirements. The methods also apply to GNSS constellations such as Galileo or GLONASS.
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