Patent ID: 11943673
Assignee: NOKIA TECHNOLOGIES OY
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 13:
14. An apparatus fora radio access network node, the apparatus comprising:
at least one processor; and
at least one memory storing instructions thereon that, when executed by
the at least one processor, cause the apparatus at least to perform:
transmitting, to a mobility management function, of topology information related to one or more tracking areas associated with the radio access network node of a radio access network, wherein the topology information related to the one or more tracking areas of respective radio access network nodes of the plurality of radio access network nodes comprises at least geographic information regarding the one or more tracking areas and one or more identifiers of one or more tracking areas adjacent to respective tracking areas of the one or more tracking areas; and
receiving, from the mobility management function, an identifier of a registration area for a user equipment, the identifier of the registration area for the user equipment being generated by the mobility management function based on the topology information.