Communication associated with access control

    公开(公告)号:US12213056B2

    公开(公告)日:2025-01-28

    申请号:US17758418

    申请日:2021-01-04

    Abstract: A disclosure of the present specification provides a method for performing, by a UE, communication associated with access control. The method may comprise the steps of: acquiring information associated with exception data; determining an access category of an access attempt for the exception data, on the basis of the information associated with the exception data; performing an access control check on the basis of the determined access category; and, when access is allowed according to the access control check, transmitting the exception data.

    Method for managing PDU session in wireless communication system and apparatus therefor

    公开(公告)号:US12041505B2

    公开(公告)日:2024-07-16

    申请号:US17850308

    申请日:2022-06-27

    CPC classification number: H04W36/14 H04W76/12

    Abstract: It is disclosed a method for managing a PDU session in a wireless communication system and an apparatus for supporting the same. Particularly, a method for performing handover of a User Equipment (UE) performed by a source Radio Access Network (RAN) that includes a processor, a memory and a communication module in a wireless communication system may include determining to initiate handover to a target RAN; and transmitting a Handover Required message to a source Access and Mobility Management Function (AMF), and the handover is a handover in a case that there is no interface between the RANs or AMF change is required, and the Handover Required message includes a PDU session Identifier (ID) of an activated Protocol Data Unit (PDU) session.

    Method for performing, by terminal, PDU session establishment request when information on LADN area has changed

    公开(公告)号:US11653403B2

    公开(公告)日:2023-05-16

    申请号:US17257554

    申请日:2019-06-19

    CPC classification number: H04W76/18 H04W60/00 H04W84/12

    Abstract: In order to achieve the above-described object, a disclosure of this specification provides a method for performing, by a UE, a PDU session establishment request, in case information on a LADN area is changed. The method may include the steps of performing a first PDU session establishment request for a first LADN area, in case the first PDU session establishment request is transmitted from outside of the first LADN area, receiving a Reject message rejecting the first PDU session establishment request from a network system, in case the Reject message is received, transmitting a registration update request for updating a LADN area to the network system, receiving information on an updated second LADN area (LADN Service Area 2) as a response to the registration update request, and performing a second PDU session establishment request for the second LADN area.

    Efficient PLMN selection upon authentication failure for each network slice in roaming network

    公开(公告)号:US11490351B2

    公开(公告)日:2022-11-01

    申请号:US17713103

    申请日:2022-04-04

    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.

    Terminal performing registration in non-3GPP access and method performed by same

    公开(公告)号:US11457425B2

    公开(公告)日:2022-09-27

    申请号:US17274253

    申请日:2019-09-26

    Abstract: One disclosure of the present specification provides a method performed by a terminal that performs registration in a non-3rd generation partnership project (3GPP) access. According to the method, the terminal may receive a rejection message including a value of a back-off timer. In addition, the terminal may determine a value of a non-3GPP de-registration timer on the basis of the value of the back-off timer. In this case, the value of the non-3GPP de-registration timer may be determined to be greater than the value of the back-off timer.

    EFFICIENT PLMN SELECTION UPON AUTHENTICATION FAILURE FOR EACH NETWORK SLICE IN ROAMING NETWORK

    公开(公告)号:US20220232507A1

    公开(公告)日:2022-07-21

    申请号:US17713103

    申请日:2022-04-04

    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.

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