The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 22, 2012
Filed:
Nov. 29, 2006
Gaurav Lamba, Sunnyvale, CA (US);
Kirk Allan Burroughs, Alamo, CA (US);
Ie-hong Lin, Fremont, CA (US);
Sanjeev Khushu, San Diego, CA (US);
Zhimin Du, Beijing, CN;
Yufei Wang, Beijing, CN;
Gaurav Lamba, Sunnyvale, CA (US);
Kirk Allan Burroughs, Alamo, CA (US);
Ie-Hong Lin, Fremont, CA (US);
Sanjeev Khushu, San Diego, CA (US);
Zhimin Du, Beijing, CN;
Yufei Wang, Beijing, CN;
QUALCOMM Incorporated, San Diego, CA (US);
Abstract
Techniques for supporting location services with roaming are described. A mobile station interacts with a home mobile positioning center (H-MPC) in a home network for location services even when roaming. The mobile station communicates with a visited network for a data session and receives a request for its location. The mobile station sends first information (e.g., SID and NID) indicative of its current network location to the H-MPC. The H-MPC determines a serving mobile positioning center (S-MPC) in the visited network based on the first information. The S-MPC determines a serving position determining entity (S-PDE) in the visited network based on the first information. Depending on the selected positioning method, the H-MPC may receive an S-PDE address or a position estimate of the mobile station from the S-MPC and may forward this information to mobile station. The mobile station may communicate with the S-PDE for positioning using the S-PDE address.