公开(公告)号：US20200145953A1

公开(公告)日：2020-05-07

申请号：US16469503

申请日：2017-12-12

Applicant: LG Electronics Inc.

Inventor： Myungjune Youn ,  Jaehyun KIM ,  Hyunsook KIM ,  Jinsook RYU

IPC: H04W60/04 ,  H04W36/00

Abstract: Provided is a tracking area assignment method by an access and mobility management function (AMF) in a wireless communication system. The method may include receiving, from a session management function (SMF), service and session continuity (SSC) mode indication information for a protocol data unit (PDU) session generated for a user equipment (UE), obtaining serving area information for a serving area of a serving user plane function (UPF) associated with the PDU session, determining the assignment of a new tracking area to the UE is necessary based on a tracking area pre-assigned to the UE and the serving area, and performing tracking area update for the assignment of the new tracking area to the UE if it is determined that the assignment of the new tracking area is necessary.

公开(公告)号：US10582379B2

公开(公告)日：2020-03-03

申请号：US15244120

申请日：2016-08-23

Applicant: LG Electronics Inc.

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

IPC: H04W12/02 ,  H04L29/06 ,  H04W8/12 ,  H04W84/04

Abstract: One disclosure of the present specification provides a method for supporting an internet protocol security (IPsec). The method may be performed by a mobility management entity (MME) and comprise: receiving a tracking area update (TAU) request message from a user equipment (UE); determining whether to activate an encryption option of IPsec; and transmitting a TAU accept message including IPsec related information generated based on the determination.

公开(公告)号：US10455471B2

公开(公告)日：2019-10-22

申请号：US15559796

申请日：2016-03-03

Applicant: LG ELECTRONICS INC.

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

IPC: H04W36/22 ,  H04W48/18 ,  H04W88/06 ,  H04W28/08 ,  H04W40/36 ,  H04W74/08 ,  H04W76/36 ,  H04W8/08 ,  H04W36/00 ,  H04W84/12 ,  H04W36/08 ,  H04W28/02

Abstract: The present description discloses a method for performing network selection and traffic routing by a user equipment (UE). The method can comprise the steps of: a non-access stratum (NAS) of the UE receiving from a mobility management entity (MME) an indication, for wireless local area network (WLAN) offloadability for a first public data network (PDN) connection, and information about a network-based IP flow mobility (NBIFOM); the NAS of the UE determining whether or not a collision exists between the indication and information; the NAS of the UE deciding for a suspension of the NBIFOM on the basis of the existence of collision; and the NAS of the UE transmitting to a PDN gateway (P-GW) a message or information, notifying the suspension of the NBIFOM, on the basis of the decision for the suspension of the NBIFOM.

公开(公告)号：US10231089B2

公开(公告)日：2019-03-12

申请号：US15739524

申请日：2016-06-23

Applicant: LG ELECTRONICS INC.

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

IPC: H04W4/02 ,  H04W68/02 ,  H04W68/06 ,  H04W8/00 ,  H04W8/02

Abstract: A method for managing an area of a terminal in a wireless communication system and an apparatus therefor are disclosed. Specifically, a method for performing, by a terminal, location area update in a wireless communication system may comprise the steps of: transmitting, to a network node, a first request message including an additional cell list comprising one or more neighboring cells of a serving cell of the terminal; receiving, from the network node, a first accept message including information indicating acceptance of the use of the additional cell list; and, when a changed serving cell of the terminal belongs to a tracking area configured to the terminal and does not belong to the additional cell list, performing a cell-based area update procedure.