US 11,943,673 B2
Method and apparatus for tracking area topology
Alessio Casati, West Molesey (GB); Laurent Thiebaut, Antony (FR); Philippe Godin, Versailles (FR); and Georgios Gkellas, Petroupoli (GR)
Assigned to NOKIA TECHNOLOGIES OY, Espoo (FI)
Filed by NOKIA TECHNOLOGIES OY, Espoo (FI)
Filed on Apr. 22, 2021, as Appl. No. 17/237,680.
Prior Publication US 2022/0345963 A1, Oct. 27, 2022
Int. Cl. H04W 36/00 (2009.01)
CPC H04W 36/00835 (2018.08) [H04W 36/0061 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A method performed by a mobility management function of a core network, the method comprising:
receiving topology information related to one or more tracking areas associated with respective radio access network nodes of a plurality of radio access network nodes in a radio access network; and
determining a registration area for a user equipment based at least in part on the topology information related to the one or more tracking areas associated with respective radio access network nodes of the plurality of radio access network nodes in the 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.