Method for determining the location of a mobile station in a mobile telecommunications network, and to ask for the location of a mobile station in an access controller

摘要

Method for determining the location of a mobile station in a mobile telecommunications network, and to ask for the location of a mobile station in an access controller.The present invention relates to a process for improved location to determine the location of mobile stations when a GSM network is extended by other access networks, e.g. radio access networks, unlicensed.A controller of the access network supporting a connection with the mobile station sends to a location service entity of a tracing request that includes information indicative of at least one positioning method supported by the network element for a mobile station pair Particular.The location service providing entities with information on the methods of location to use, there is no need to configure the service entities location with this information in advance. In addition, the process is flexible and can be adapted to the network element making the request and the type of connection actually used by the mobile station.There is no need for the location entities launch various methods of location before recovering information accurate enough as long as the most appropriate methods shall be notified in advance.