US 11,659,453 B2
Efficient transfer of access context for user equipment among network nodes
Ahlem Khlass, Nozay (FR); Stefano Paris, Vanves (FR); and Daniela Laselva, Klarup (DK)
Assigned to Nokia Solutions and Networks Oy, Espoo (FI)
Filed by Nokia Solutions and Networks Oy, Espoo (FI)
Filed on Feb. 24, 2021, as Appl. No. 17/183,966.
Prior Publication US 2021/0274391 A1, Sep. 2, 2021
Int. Cl. H04W 36/32 (2009.01); H04W 76/19 (2018.01); H04W 76/27 (2018.01); H04W 36/00 (2009.01)
CPC H04W 36/0033 (2013.01) [H04W 36/00835 (2018.08); H04W 36/00837 (2018.08); H04W 36/32 (2013.01); H04W 76/19 (2018.02); H04W 76/27 (2018.02)] 13 Claims
OG exemplary drawing
 
11. A method, comprising:
operating an anchor network node, comprising:
storing an access context required to initiate data transfer when a user equipment is in an active or suspended radio access network connection state;
wherein the access content comprises mobility information and a traffic profile received one time before or after initiating each data transfer when the user equipment is in the active or suspended radio access network connection state; and
providing the mobility information and the traffic profile to a storage unit for storage thereof;
receiving and storing downlink data for the user equipment;
determining, based on pre-stored mobility information, that the user equipment is to exit an anchor cell served by the anchor network node;
predicting, based on the pre-stored mobility information and a pre-stored traffic profile, at least one target cell in which the user equipment would appear to be located upon exiting the anchor cell; and
sending a request for paging initiation, the access context and the downlink data to at least one target network node serving the at least one target cell, so that the at least one target network node could page the user equipment to deliver the downlink data to the user equipment.