SESSION MANAGEMENT SYSTEM AND METHODS Russian patent published in 2021 - IPC H04W48/12 

FIELD: communication.

SUBSTANCE: radio access network (RAN) node sends a request message for path switching to an access and mobility management function (AMF) to inform that a user equipment (UE) has moved to a target cell served by the RAN node, wherein the request message for path switching includes a list of packet data unit (PDU) sessions to be switched, and a list of received quality of service (QoS) streams for the PDU session in the list of PDU sessions to be switched; and the RAN node receives from the AMF the confirmation associated with the request message for path switching.

EFFECT: improvement of the management of the communication network session.

20 cl, 83 dwg, 3 tbl