Patent ID: 8208948

Claim:
A method for calculating a location of a user equipment (UE) that is roaming, the method comprising the steps of: receiving, by a home location platform (HLP), a location request message from the UE, including specific identifier information of an area in which the UE is located and positioning capability information including positioning schemes which the UE supports; determining, by the HLP having received the location request message from the UE, a visiting location platform (VLP) where the UE is located, by referring to information included in the location request message, the VLP being a location platform to calculate the location of the UE; transmitting the specific identifier information and the positioning capability information received from the UE to the VLP; and receiving the location of the UE calculated from the VLP, the VLP calculating the location of the UE with the positioning scheme corresponding to the positioning capability information received from the UE.