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FAST GPS RECOVERY USING MAP VECTOR DATA

  • US 20140062777A1
  • Filed: 08/30/2013
  • Published: 03/06/2014
  • Est. Priority Date: 08/31/2012
  • Status: Active Grant
First Claim
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1. A method to assist a global positioning system (GPS) module to determine GPS position estimates for a wireless communication device, the method comprising:

  • determining a potential or an actual inaccuracy in a GPS position estimate obtained from the GPS module;

    obtaining a set of map vector data stored in or associated with the wireless communication device;

    determining a location estimate of the wireless communication device based on at least a portion of the set of map vector data;

    providing the location estimate to the GPS module; and

    obtaining an updated GPS position estimate from the GPS module, the updated GPS position estimate based at least in part on the location estimate provided to the GPS module.

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