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Methods and apparatuses for mobile station centric determination of positioning assistance data

  • US 9,622,042 B2
  • Filed: 01/13/2015
  • Issued: 04/11/2017
  • Est. Priority Date: 07/30/2010
  • Status: Expired due to Fees
First Claim
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1. A mobile station, comprising:

  • a network interface to receive digital electronic signals transmitted over a communication network from a network device external to the mobile station; and

    a processor configured to;

    obtain, from the digital electronic signals, one or more documents comprising one or more first maps, the one or more first maps comprising one or more descriptions or characterizations of at least a portion of an environment;

    extract one or more features from the one or more descriptions or characterizations; and

    determine one or more annotations for at least one second map based, at least in part, on the one or more features extracted, wherein the one or more annotations comprise positioning assistance data, wherein the positioning assistance data comprises positioning determination assistance data, navigation determination assistance data, or a combination thereof, and the navigation determination assistance data comprises a routing graph, connectivity graph, feasibility graph, or a combination thereof.

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