Method and apparatus for determining the geographic location...

Details Method and apparatus for determining the geographic location... Method and apparatus for determining the geographic location...

2011-05-24

2011-05-24

Tarcza, Thomas H (Department: 3662)

Communications: directive radio wave systems and devices (e.g.,

Directive

Including a satellite

Reexamination Certificate

active

07948435

ABSTRACT:
A method and apparatus for determining the location of a device from signals provided by a plurality of satellites. A device receives a first plurality of signals comprising one signal from each of a first plurality of satellites and determines a first location of the device as a function of the first plurality of signals. The device then determines a second location thereof as a function of a second plurality of signals if the first location is not within a predetermined threshold. The second plurality of signals is a first subset of the first plurality of signals.

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Neil Harper et al., “Process for Improving GPS Acquisition Assistance Data and Server-Side Location Determination for Cellular Networks,” Journal of Global Positioning Systems, (2004), vol. 3, No. 1-3, pp. 132-142.

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