Patent ID: 7929965
Filing Date: 2011-04-19
Classification: H04L,H04W

Abstract:
1. A method of processing a SUPL (Secure User Plane Location) request for a terminal that has performed roaming, the method comprising: receiving, by the terminal, a SUPL INIT message from a home SLP entity, the SUPL INIT message including a proxy/non-proxy indicator that indicates whether a home SLP entity uses a proxy mode or a non-proxy mode; checking, by the terminal, the proxy/non-proxy indicator to determine whether the home SLP operates in the proxy mode or the non-proxy mode; and selectively performing, by the terminal, an authentication with the home SLP entity based on the checking result indicating whether the home SLP entity operates in the proxy mode or the non-proxy mode; and receiving, by the terminal from the home SLP entity, a message including information associated with the authentication with the home SLP entity, wherein the information associated with the authentication is to be used for an authentication between a visited SLP and the terminal, wherein the information associated with the authentication with the home SLP entity includes an authentication key.