ENHANCEMENTS TO LOCATION-BASED SERVICES FUNCTIONALITY IN A RADIO TELECOMMUNICATION NETWORK

摘要

A system and method allow an authorized Service Application or an authorized network entity to retrieve a geographic position of a mobile station. A home Positioning Node for receiving a mobile station's geoposition request from the Service Application and for generating a Positioning Request message including a home Positioning Node identification parameter to a serving Positioning Node. The serving Positioning Node validates the home Positioni ng Node identification parameter prior to sending the geographic position of t he mobile station to the Service Application. The home Positioning Node further accesses and stores data in an internal database. An anchor Switching Node f or receiving, forwarding, processing, generating and sending Positioning Requests. The Anchor Switching Node further supports a mobile station's hand/off, retrieves the geographic position of the mobile station, and sends it to the authorized network entity.