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E911 Locating by nearby proxy device location

  • US 10,436,876 B2
  • Filed: 05/29/2018
  • Issued: 10/08/2019
  • Est. Priority Date: 07/31/2015
  • Status: Active Grant
First Claim
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1. A method comprising:

  • determining, by a mobile positioning center, that a mobile device placed an emergency communication to an emergency center, wherein the mobile positioning center is communicatively coupled to a location database and the emergency center;

    determining, by the mobile positioning center, that the mobile device cannot provide a mobile device location;

    receiving, at the mobile positioning center from the mobile device, an identifier of a detected device detected by a wireless radio of the mobile device;

    locating, by the mobile positioning center, information in the location database associated with the identifier;

    identifying, by the mobile positioning center, a location of the detected device based on the information;

    determining, by the mobile positioning center, the mobile device location based upon the location;

    determining an accuracy of the mobile device location based upon at least one of a type of the wireless radio of the detected device or a signal strength of the mobile device or the detected device; and

    providing, by the mobile positioning center, the mobile device location and the accuracy of the mobile device location to the emergency center.

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