Patent ID: 7881731
Filing Date: 2011-02-01
Classification: H04W

Abstract:
1. A method for providing triggered location information to a target terminal in a system, which comprises the target terminal and a home location server (H-SLP) having registered information of the target terminal, the method comprising: (1) requesting a location value of the target terminal by a Secure User Plane Location AGENT (SUPL AGENT); (2) exchanging a location service start message between the H-SLP and the target terminal; (3) selecting a visited location server (V-SLP) for calculating the location value of the target terminal and transmitting information necessary for calculating a periodic location value of the target terminal to the selected V-SLP by the H-SLP; (4) determining a positioning method (POSMETHOD) used for calculating the location value with the target terminal and transmitting the information of the V-SLP to the H-SLP by the V-SLP; (5) transmitting the information of the V-SLP and the POSMETHOD to the target terminal by the H-SLP; (6) transmitting a positioning inducing message to the V-SLP according to a positioning period by the target terminal; (7) calculating the location value of the target terminal by the target terminal and the V-SLP; (8) transmitting the calculated location value of the target terminal to the H-SLP by the V-SLP; and (9) transmitting the calculated location value of the target terminal to the SUPL AGENT by the H-SLP.