公开(公告)号：US11076376B2

公开(公告)日：2021-07-27

申请号：US16915451

申请日：2020-06-29

Applicant: LG ELECTRONICS INC.

Inventor： Myungjune Youn ,  Laeyoung Kim ,  Jinsook Ryu

IPC: H04W60/06 ,  H04W76/30 ,  H04W8/20 ,  H04W68/00 ,  H04W8/18 ,  H04W36/14 ,  H04W76/32

Abstract: Disclosed herein is a network-initiated deregistration method by an access and mobility management function (AMF) in a wireless communication system, including: receiving a first message having a removal reason configured to subscription withdrawn from a unified data management (UDM); and transmitting a deregistration request message for requesting the deregistration to a user equipment (UE), in which the deregistration is enabled to be performed for all accesses in which the UE is registered when the removal cause received from the UDM through the first message indicates the subscription withdrawn of the UE.

公开(公告)号：US11039495B2

公开(公告)日：2021-06-15

申请号：US16496193

申请日：2018-03-20

Applicant: LG Electronics Inc.

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

IPC: H04W76/25 ,  H04W76/18 ,  H04W76/30 ,  H04W8/08 ,  H04W48/00 ,  H04W80/10

Abstract: According to an aspect of the present invention, a method for transporting a non-access stratum (NAS) message of an access and mobility management function (AMF) in a wireless communication system may include: receiving, from a user equipment (UE), an uplink (UL) NAS message including a session management (SM) message for a request related to a protocol data unit (PDU) session; transporting, to a predetermined second Session Management Function (SMF), the SM message if it is determined that it is impossible to route the SM message to a first SMF as a transport target of the SM message; receiving, from the second SMF, an SM rejection message for the SM message; and transmitting, to the UE, a downlink (DL) NAS message including the SM rejection message.

公开(公告)号：US10945201B2

公开(公告)日：2021-03-09

申请号：US16816580

申请日：2020-03-12

Applicant: LG ELECTRONICS INC.

Inventor： Taehun Kim ,  Jaehyun Kim ,  Jinsook Ryu ,  Hyunsook Kim ,  Laeyoung Kim

IPC: H04W48/18 ,  H04W48/02 ,  H04W60/00 ,  H04W76/23 ,  H04W88/06

Abstract: A method for a user equipment (UE) to perform public land mobile network (PLMN) selection in a wireless communication system, and which includes selecting, by the UE, a first PLMN; in response to the first PLMN not providing direct communication resources, selecting, by the UE, a second PLMN providing direct communication resources; performing, by the UE, a registration on the second PLMN; receiving, by the UE, a failed registration code of “PLMN not allowed” due to a failing of the registration on the second PLMN; and performing, by the UE, the direct communication on the second PLMN in a limited service state. Further, the UE remains on the first PLMN based on a normal service state and the UE does not perform an additional PLMN selection during a duration of the direct communication in the second PLMN based on the limited service state.

公开(公告)号：US10917868B2

公开(公告)日：2021-02-09

申请号：US16494240

申请日：2018-03-07

Applicant: LG ELECTRONICS INC.

Inventor： Myungjune Youn ,  Jinsook Ryu

IPC: H04W60/00 ,  H04W60/04 ,  H04W76/27 ,  H04W8/06 ,  H04W52/02 ,  H04W68/02

Abstract: In one aspect of the present invention, there is provided an event notification method of an AMF in a wireless communication system. The event notification method includes receiving, from a requester, a subscribe message for a notification subscribe to a mobility event of a UE, wherein the subscribe message includes an identifier (ID) of the UE and an event filter for filtering the mobility event; performing a registration procedure for the UE; and when the mobility event filtered by the event filter happens in the registration procedure, completing the registration procedure of a notification message for the mobility event and then sending the notification message to a SMF, wherein if the subscribe message includes an indicator indicating a maintenance of a connected mode of the UE, the connected mode of the UE is maintained for a predetermined time after the registration procedure is completed.

公开(公告)号：US20210029628A1

公开(公告)日：2021-01-28

申请号：US17041188

申请日：2019-02-07

Applicant: LG ELECTRONICS INC.

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

IPC: H04W48/18 ,  H04W76/18 ,  H04W76/20 ,  H04W48/08

Abstract: Disclosed in the present specification is a method by which a user equipment (UE) performs access control. The method can comprise the steps of: transmitting a protocol data unit (PDU) session establishment or modification request message; and receiving a PDU session establishment or modification rejection message. The rejection message can comprise information on a backoff timer and session network slice selection assistance information (S-NSSAI). The method can comprise the steps of: driving the backoff timer while being linked with the S-NSSAI; and performing access control on the basis of the S-NSSAI.

公开(公告)号：US10856131B2

公开(公告)日：2020-12-01

申请号：US16065097

申请日：2018-01-16

Applicant: LG ELECTRONICS INC.

Inventor： Jinsook Ryu ,  Sangmin Park ,  Hyunsook Kim

IPC: H04W8/08 ,  H04W60/00 ,  H04W48/18 ,  H04W68/00 ,  H04W76/27

Abstract: Disclosed are a method for updating a UE configuration in a wireless communication system and an apparatus for the same. Specifically, a method for updating a configuration of a user equipment (UE) by an access and mobility management function (AMF) in a wireless communication system may comprise the steps of: determining whether it is necessary to change a configuration of the UE without a request from the UE; and when it is necessary to change the configuration of the UE, transmitting a UE configuration update command message to the UE, wherein the UE configuration update command message comprises updated UE parameters.

公开(公告)号：US10827536B2

公开(公告)日：2020-11-03

申请号：US16075806

申请日：2016-11-29

Applicant: LG ELECTRONICS INC.

Inventor： Hyunsook Kim ,  Jinsook Ryu ,  Myungjune Youn ,  Dongsoo Kim ,  Sungduck Chun ,  Laeyoung Kim

IPC: H04W76/10 ,  H04W80/10 ,  H04W76/25 ,  H04W60/00 ,  H04W76/12 ,  H04L29/08 ,  H04W60/06 ,  H04W76/27 ,  H04W76/22 ,  H04L12/14

Abstract: One disclosure of the present specification provides a method for a control plane (CP) function entity creating a session, the CP function entity being in charge of managing a session in a next-generation mobile communication network. The method may comprise the steps of: receiving a connectivity request message from a terminal if the creation of a session is not included in a process by which the terminal attaches to a core network of the next-generation mobile communication; on the basis of information on the type of service to be provided to the terminal, deciding to create, for the terminal, a session that needs to be always-on, or in other words, always-connected; and transmitting, to the terminal, a connectivity completion message including information indicating the session that needs to be always-on, or in other words, always-connected.

公开(公告)号：US10805835B2

公开(公告)日：2020-10-13

申请号：US16088056

申请日：2017-03-24

Applicant: LG ELECTRONICS INC.

Inventor： Sangmin Park ,  Jinsook Ryu ,  Jaehyun Kim ,  Taehun Kim

IPC: H04W28/06 ,  H04W92/16 ,  H04W28/12 ,  H04W92/04 ,  H04W84/04

Abstract: When a non-access stratum (NAS) message is generated in an NAS layer of a user equipment, the NAS layer transfers the NAS message and type information to an access stratum (AS) layer of the user equipment. An AS message containing the NAS message is transmitted to a network. The type information indicates whether the NAS message is a first type message containing user data or a second type message without user data.

公开(公告)号：US10764740B2

公开(公告)日：2020-09-01

申请号：US16660167

申请日：2019-10-22

Applicant: LG Electronics Inc.

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

IPC: H04W8/10 ,  H04W8/06 ,  H04W36/14 ,  H04W60/06

Abstract: In one embodiment of the present invention, a method for enabling a UDM (Unified Data Management) to perform a registration related procedure of an AMF (Access and Mobility Management Function) in a wireless communication system comprises the steps of: receiving, by the UDM, a message related to serving AMF registration of a UE, which includes access type information and ID (Identity) information, from a first AMF; transmitting, by the UDM, a deregistration related message to a second AMF when the second AMF exists, wherein the second AMF is registered as a serving AMF of the UE and related to the access type information.

公开(公告)号：US10750559B2

公开(公告)日：2020-08-18

申请号：US16068657

申请日：2017-01-06

Applicant: LG ELECTRONICS INC.

Inventor： Sungduck Chun ,  Jinsook Ryu ,  Taehun Kim

IPC: H04W4/70 ,  H04W28/02 ,  H04W36/00 ,  H04W76/10 ,  H04W76/12 ,  H04W76/15 ,  H04W76/20 ,  H04W76/22 ,  H04W76/27 ,  H04W80/02 ,  H04W88/06 ,  H04W92/10

Abstract: User data may be transmitted through a signaling radio bearer (SRB) by using an NAS message. A new SRB different from the existing SRB0, SRB1, and SRB2 may be defined for transmission of the user data. The new SRB may be used to deliver the NAS message containing the user data before security is activated.