Telia Ab

Michael Andersin

Souhad Ayoub

A mobile telecommunication system in which a plurality of different services can be used, and a method for the location management of mobile stations in a network which uses the mobile system. An efficient location management is achieved for the different services using location management strategies which are independent of each other, instead of associating the location management strategy to the carrier. A location management strategy includes a plurality of location management procedures which have been selected to adapt and optimize the strategy of a specific service, and which procedures that shall be used for the location management are decided by which service the user for the time being wants to utilize, or to which type of subscription the user subscribes.

Efficient location management strategies in a UMTS-based network

A device, a system and a procedure to reduce the signalling load in a cellular mobile telephone system that supports packet switched services. One of a set of mobile stations included in a cellular mobile telephone system is switched between a first mode in a first state, here called Ready State, respective to a second state, here called Standby State, depending on a time parameter which indicates a time when the mobile station shall remain in the first state, to switch to the second state afterward. The value of the time parameter is set currently depending on the current speed of the mobile station through the cell network of the mobile telephone system.

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Stockholm, Sweden

Michael Andersin