Location management in a mobile telecommunication system

摘要

The basic idea of the invention is to separate the location area used in the RAN and the reporting area used when reporting the location of the mobile to the core network. The size of the location area is selected preferably in the RAN based on the services used by the subscriber to optimize the use of radio resources. A reporting area comprises one or a plurality of location areas. The size of a reporting area is selected based on the accuracy of location information needed in the core network. The RAN informs the core network when a subscriber moves out of his current location area. The core network and the radio access network negotiate the size of the reporting area prior to the activation of the service. Additionally, the reporting areas can be renegotiated when the service is in the active state.

主权项

id="REI-00003" date="20141223" 1. A method of location management in a mobile telecommunication system comprising mobile stations, at least one core network providing telecommunication services, and a radio access network providing connections between the mobile stations and the core network, and in which system information concerning the location of the mobile station is stored in the radio access network, comprising
tracking in the radio access network of the location of the mobile station to the accuracy of a location area, determining in the core network a reporting area comprising at least one location area, informing the radio access network by the core network of the reporting area determined, receiving at the radio access network a location update from the mobile station, determining by the radio access network based on the location update whether or not the mobile station has moved out of the reporting area, and sending by the radio access network to the core network a report if the mobile station has moved out of the reporting area.