FIELD: radio engineering, communication.;SUBSTANCE: invention relates to mobile communication systems. Disclosed is a mobile communication system. The system comprises a radio base station which is arranged in a radio access network and performs radio communication with a mobile terminal. The system also comprises supply means arranged in a core network, wherein the supply means is configured to supply the base station with first information relating to mobile terminal state transition control and is derived from information on the mobile terminal situation.;EFFECT: reduced load on the base station owing to that the core network controls mobile terminal state transition.;4 cl, 31 dwg
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