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    Efficient PLMN selection upon authentication failure for each network slice in roaming network
    52.
    发明授权
    Efficient PLMN selection upon authentication failure for each network slice in roaming network 有权

    公开(公告)号：US11765677B2

    公开(公告)日：2023-09-19

    申请号：US17954866

    申请日：2022-09-28

    Applicant: LG ELECTRONICS INC.

    Inventor： Sunhee Kim ,  Sungduck Chun ,  Hyunsook Kim ,  Laeyoung Kim ,  Sangmin Park ,  Myungjune Youn

    IPC: H04W48/18 ,  H04W60/00

    CPC classification number: H04W60/00 ,  H04W48/18

    Abstract: Provided are a method and device for efficient public land mobile network (PLMN) selection upon authentication failure for each network slice in a roaming network. A user equipment (UE) receives a registration rejection message from an access and mobility management function (AMF) of a first PLMN. The registration rejection message includes rejected network slice selection assistance information (NSSAI) including first single NSSAI (S-NSSAI) and cause value #62 for the rejected NSSAI. The UE: generates second requested NSSAI including second S-NSSAI on the basis that i) the UE does not have allowed NSSAI and configured NSSAI, and ii) default configured NSSAI includes the second S-NSSAI that is not included in the rejected NSSAI and corresponds to a network slice of which the UE requests registration; and transmits a second registration request message including the second requested NSSAI to the AMF of the first PLMN.

    Method and user equipment for initiating service request procedure
    54.
    发明授权
    Method and user equipment for initiating service request procedure 有权

    公开(公告)号：US11463979B2

    公开(公告)日：2022-10-04

    申请号：US17090567

    申请日：2020-11-05

    Applicant: LG Electronics Inc.

    Inventor： Myungjune Youn ,  Laeyoung Kim ,  Jaehyun Kim ,  Hyunsook Kim ,  Jinsook Ryu ,  Sangmin Park

    IPC: H04W4/00 ,  H04W60/00 ,  H04W36/00 ,  H04W68/02

    Abstract: A disclosure in the present specification provides a method for user equipment initiating a service request procedure. The method includes a step of the UE receiving a paging message. The UE may be registered to both of a 3rd generation partnership project (3GPP) access and a non-3GPP access within the same PLMN. The paging message may include access type information that is used so as to indicate the non-3GPP access. The method may include a step of initiating a UE triggered service request procedure. The UE triggered service request procedure may be initiated by transmitting a service request message including a list of permitted protocol data unit (PDU) sessions. The service request message may include an empty list of the permitted PDU sessions if there is no PDU sessions that can be reactivated in the 3GPP access.

    Method for managing session and SMF node
    55.
    发明授权
    Method for managing session and SMF node 有权

    公开(公告)号：US11382005B2

    公开(公告)日：2022-07-05

    申请号：US16986966

    申请日：2020-08-06

    Applicant: LG ELECTRONICS INC.

    Inventor： Hyunsook Kim ,  Jinsook Ryu ,  Sangmin Park ,  Myungjune Youn

    IPC: H04W76/10 ,  H04W36/00 ,  H04W36/32 ,  H04W88/14 ,  H04W80/10 ,  H04W76/00 ,  H04L45/00 ,  H04W8/02

    Abstract: The one disclosure of the present specification proposes a method for managing session. The method may be performed by a session management function, SMF, node and comprise: generating a packet data unit, PDU, session for a user equipment, UE; receiving, from an access and mobility management function, AMF, node, information about the UE; and determining, based on the information, whether to transmit an indication for notifying a user plane function, UPF, node to discard a downlink data for the PDU session of the UE. The determination may be dependent on whether the PDU session corresponds to a first service provided to the UE.

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