公开(公告)号：US20220240147A1

公开(公告)日：2022-07-28

申请号：US17618407

申请日：2019-06-14

Applicant: Nokia Technologies Oy

Inventor： Gyorgy WOLFNER ,  Devaki CHANDRAMOULI ,  Bruno LANDAIS

IPC: H04W36/18 ,  H04W36/30 ,  H04W36/14

Abstract: A method, apparatus and computer program product are provided herein to provide service continuity between a Stand-alone Non-Public Network (SNPN) and a Public Land Mobile Network (PLMN). For example, a method is provided that comprises after determining that the user equipment (UE) with the first protocol data unit (PDU) session established in the first SNPN is or will be leaving the coverage area of the first SNPN, causing a request message to be transmitted to the UE, wherein the request message comprises a request to initiate a second PDU session establishment procedure towards a PLMN. The method also includes causing the UE to establish the second PDU session with an internet protocol anchor function of a user plane function in the PLMN via the first SNPN radio access network (RAN) or via the PLMN RAN, wherein the second PDU session is established prior to release of the first PDU session.

公开(公告)号：US20220337993A1

公开(公告)日：2022-10-20

申请号：US17641151

申请日：2019-09-10

Applicant: NOKIA TECHNOLOGIES OY

Inventor： Bruno LANDAIS ,  Devaki CHANDRAMOULI ,  Gyorgy WOLFNER ,  Markus ISOMÄKI

IPC: H04W8/18 ,  H04W24/02 ,  H04W48/14

Abstract: A plurality of interworking functions, which provide interworking between a communication network acting as access network and another communication network, is associated with a plurality of network slices or non-public networks hosted by the other communication network. A user equipment performs connection (S301) to a communication network acting as access network, and selects (S303) an interworking function of the plurality of interworking functions based on information on a network slice or non-public network hosted by the other communication network, wherein the user equipment is associated with the network slice or non-public network.