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Location information management system and method for mobile communications unit

  • US 6,757,545 B2
  • Filed: 03/01/2001
  • Issued: 06/29/2004
  • Est. Priority Date: 03/01/2001
  • Status: Expired due to Term
First Claim
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1. A method for providing location information regarding a mobile communications unit of a mobile communications system, comprising the steps of:

  • receiving a first request for first location information on a first mobile communications unit;

    executing a first determining step comprising determining at least a general location of said first mobile communications unit;

    executing a second determining step comprising determining if a location information management system can provide said first location information, wherein said executing a second determining step comprises determining if any of a plurality of position determination equipment sites would be able to provide said first location information having knowledge of said at least a general location;

    executing a first responding step if said second determining step reveals that none of said plurality of position determination equipment sites would be able to provide said first location information, wherein said first responding step comprises indicating that said first location information is unavailable;

    invoking a request to a first position determination equipment site to provide said first location information only if said second determining step first reveals that said first position determination equipment site would be able to provide said first location information; and

    executing a second responding step after any execution of said invoking step, wherein said second responding step comprises sending said first location information.

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