×

GPS yield for emergency calls in a mobile radio network

  • US 9,448,308 B2
  • Filed: 09/10/2008
  • Issued: 09/20/2016
  • Est. Priority Date: 09/11/2007
  • Status: Active Grant
First Claim
Patent Images

1. A method of communicating location data of a mobile station in a wireless network, the method comprising:

  • initiating, by the mobile station, a positioning engine and an activity timer for a predetermined length of time, in response to the mobile station detecting a triggering event, to initiate processing of one or more wireless signals received from a positioning system to estimate a position of the mobile station, wherein the mobile station comprises the positioning engine;

    receiving, by the mobile station, a positioning protocol position request message from one or more network devices after the initiation of the positioning engine while continuing the processing of the one or more wireless signals received from the positioning system, wherein the positioning protocol position request message is received at a time based at least in part on when a position fix is scheduled by a network; and

    initiating, by the mobile station, a positioning protocol session between the mobile station and the one or more network devices at least partially in response to the mobile station receiving the positioning protocol position request message and further at least partially in response to determining that the predetermined length of time has not elapsed on the activity timer, wherein the estimate of the position of the mobile station is transmitted from the mobile station to the one or more network devices during the positioning protocol session.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×