Mode determination for mobile GPS terminals
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United States of America Patent
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Jun 28, 2011
Grant Date -
Jul 31, 2008
app pub date -
Dec 4, 2007
filing date -
Feb 21, 2001
priority date (Note) -
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Abstract
The present invention discloses a system for determining the position of a GPS terminal. The system comprises a GPS terminal, a location aiding server, and a communications system. Messages are passed between the GPS terminal and the server, as well as within the GPS terminal, to determine the mode of operation of the GPS portion of the system. Decisions are made based on availability of aiding data and Quality of Service requirements.
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