Patent ID: 8369868
Filing Date: 2013-02-05
Classification: H04L,H04W

Abstract:
1. A method for performing a location service based upon a Secure User Plane Location (SUPL), the method performed by a terminal including a SUPL agent and the method comprising: receiving, by the SUPL agent of the terminal which requests a location of a target SUPL Enabled Terminal (SET), a response message from a server via a previously established secure IP connection and a session with the server, the response message indicating that a requested location service for the target SET is started; releasing, by the SUPL agent of the terminal that has requested the location of the target SET, the secure IP connection with the server but maintaining the session in response to the reception of the response message; receiving, by the SUPL agent of the terminal that has requested the location of the target SET, one or more report messages from the server, the report message indicating only that the location of the target SET has been measured; and obtaining, by the SUPL agent of the terminal that has requested the location of the target SET, location information related to the target SET from the server after respectively receiving the one or more report messages, wherein the obtaining of the location information includes: