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METHOD AND APPARATUS FOR POSITION MEASURING OF PORTABLE ELECTRONIC DEVICE

  • US 20130304376A1
  • Filed: 03/21/2013
  • Published: 11/14/2013
  • Est. Priority Date: 05/09/2012
  • Status: Active Grant
First Claim
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1. A method for position measurement of a portable electronic device, the method comprising:

  • receiving, from a first satellite, first satellite information and state information of the first satellite information;

    receiving other state information of the first satellite information from a server that receives the other state information of the first satellite information from a terrestrial observatory; and

    using the first satellite information for the position measurement of the portable electronic device when the state information of the first satellite information received from the first satellite is different from the other state information of the first satellite information received from the server,wherein healthy state information indicates that satellite information may be used for the position measurement of the portable electronic device and unhealthy state information indicates that the satellite information may not be used for the position measurement of the portable electronic device.

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