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Position determining entity request filter

  • US 8,412,229 B1
  • Filed: 10/20/2010
  • Issued: 04/02/2013
  • Est. Priority Date: 10/20/2010
  • Status: Active Grant
First Claim
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1. A method of operating a position determining entity filter, the method comprising:

  • receiving a request for location assistance data transmitted from a wireless communication device, wherein the request is associated with a source packet address and includes a user identifier for a user of the wireless communication device;

    processing the request to determine if the user identifier is associated with the source packet address;

    if the user identifier is not associated with the source packet address, initiating a count to track a number of requests for the location assistance data transmitted from the wireless communication device, and removing data previously associated with the user identifier and the source packet address;

    if the user identifier is associated with the source packet address, incrementing the count and determining if a flag is assigned to the user identifier;

    if the flag is assigned to the user identifier, inhibiting future requests; and

    if the flag is not assigned to the user identifier, determining if the count exceeds a threshold, and if the count exceeds the threshold, assigning the flag to the user identifier.

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