Deutschetelekom Ag

Uwe Michel

Julian Charles Nolan

Uwe Janssen

Karl-Heinz Nenner

Walter Kerndlmaier

Joerg Rass

Johannes Markus Breitbach

Jörg Rass

A method for operating a mobile radio network includes: providing, by a network management entity, a first logic subnetwork of the mobile radio network to enable a mobile communication device with a subscription for the mobile radio network to communicate via the first logic subnetwork of the mobile radio network; and providing, by the network management entity, a second logic subnetwork of the mobile radio network to enable a roaming mobile communication device with a subscription for another mobile radio network to communicate via the second logic subnetwork of the mobile radio network.

Operating a mobile communications network having a plurality of logic subnetworks

A method for communication between a telecommunications network and a secondary communication device via or using a primary communication device includes: performing a discovery operation regarding the secondary communication device, the discovery operation being initiated either by the primary communication device, by the secondary communication device, or by the telecommunications network; and transmitting at least one control information, being related to the secondary communication device or being related to the result of the discovery operation, between, on the one hand, the telecommunications network, and, on the other hand, the primary communication device and/or the secondary communication device.

Enhanced and/or adaptive communication between a telecommunications network and at least one secondary communication device via or using a primary communication device

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Koenigswinter, Germany

Uwe Michel