Patent ID: 7437154

Claim:
A heterogeneous mobile radio system for providing services from a packet data network for a mobile terminal, comprising: at least one first mobile radio network and one second mobile radio network, with the mobile radio networks each having at least one access network node to the packet data network, and the access to the packet data network indirectly via the access network node of the first mobile radio network; a first Packet Data Protocol (PDP) context of a General Packet Radio Service (GPRS) between the mobile terminal and the access network node of the first mobile radio network; a data tunnel to be set up by means of a secondary PDP context of GPRS between the access network node of the first mobile radio network and the access network node of the second mobile radio network, wherein incoming data traffic is distributed between the first and the second mobile radio network in the access network node of the first mobile radio network, by a packet distribution function for secondary PDP contexts of GPRS integrated in the access network node of the first mobile radio network.