Patent ID: 8036680

Claim:
A location based notification method in a SLP (SUPL (Secure User Plane) Location Platform) for calculating and providing a location of a terminal according to a client's request, the method comprising: transmitting, by the SLP, a SUPL INIT (SUPL Initialization) message to the terminal before a connection with the terminal is established, the SUPL INIT message including a notification mode parameter indicating whether or not a notification and verification based on the location of the terminal are to be performed after the location of the terminal is calculated; receiving, by the SLP, a SUPL POS NIT (SUPL Positioning Initialization) message from the terminal to start a positioning session with the terminal; calculating, by the SLP, the location of the terminal by performing a positioning process with the terminal; after the location of the terminal is calculated, transmitting, by the SLP, a SUPL NOTIFY message including a notification element to the terminal if the notification mode parameter indicates that the notification and verification based on the location of the terminal are to be performed; receiving, by the SLP from the terminal in response to the SUPL NOTIFY message, a SUPL NOTIFY RESPONSE message that includes a verification indicating whether to allow or not allow a provision of the calculated location of the terminal to a client who has requested the location of the terminal; and transmitting, by the SLP, the calculated location of the terminal to the client who has requested the location of the terminal when the received SUPL NOTIFY RESPONSE message includes the verification indicating to allow the provision of the calculated location of the terminal to the client.