Patent ID: 11930446
Assignee: TELIT CINTERION DEUTSCHLAND GMBH
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A method for operating a user equipment with a base station assigned to at least two core networks in co-existence mode of a cellular network, the user equipment operating in a data communication mode with direct connection termination in the at least one core network,
the method comprising the steps for the user equipment of:
camping on a base station with access to at least two core networks of different technology standards,
receiving a transmission from said base station indicating available radio resources of the at least two core networks,
selecting a core network of the at least two core networks which is appropriate for an envisaged connection,
sending a connection request for the envisaged connection to the base station using parts of said indicated radio resources belonging to the selected core network,
receiving a response indication from the base station;
wherein access to said selected core network is allowed despite a level of occupancy.