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System and method for an emergency location information service (E-LIS)

  • US 7,937,067 B2
  • Filed: 05/15/2007
  • Issued: 05/03/2011
  • Est. Priority Date: 05/16/2006
  • Status: Active Grant
First Claim
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1. A method for locating a wireless device using existing wireless communication networks, comprising:

  • sending from a wireless access point with one or more processors a plurality of outbound signals to a plurality of wireless network devices each with one or more processors connected to a wireless communications network;

    receiving on the wireless access point a plurality of inbound signals from the plurality of wireless network devices, wherein location information in (X,Y,Z) geo-space is determined by and stored on, the plurality of wireless network devices and wherein the location information in (X,Y,Z) geo-space is updated in real-time on the plurality of wireless network devices whenever any of the plurality of wireless network devices changes a position in (X,Y,Z) geo-space;

    determining on the wireless access point a set of current (X,Y,Z) geo-space coordinates for the plurality of wireless network devices from the plurality of inbound signals, wherein the set of current (X,Y,Z) geo-space coordinates are determined from a set of Extensible Markup Language (XML) objects or a set of Uniform Resource Identifiers (URI) pre-assigned to the plurality of wireless network devices that are unique across any network an assigned URI is used on; and

    determining a plurality of current physical geographic locations and positions in (X,Y,Z) space at the plurality of physical geographic locations for the plurality of wireless network devices using the set of determined current (X,Y,Z) geo-space coordinates, wherein the plurality of current physical geographic locations are used to locate the plurality of wireless network devices when an emergency event occurs.

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