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1. (WO2019066544) METHOD FOR TRANSMITTING AND RECEIVING SIGNAL RELATED TO HANDOVER FROM 5GS TO EPS IN WIRELESS COMMUNICATION SYSTEM AND DEVICE THEREFOR
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Pub. No.: WO/2019/066544 International Application No.: PCT/KR2018/011517
Publication Date: 04.04.2019 International Filing Date: 28.09.2018
IPC:
H04W 36/00 (2009.01) ,H04W 36/14 (2009.01)
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
W
WIRELESS COMMUNICATION NETWORKS
36
Handoff or reselecting arrangements
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
W
WIRELESS COMMUNICATION NETWORKS
36
Handoff or reselecting arrangements
14
Reselecting a network or an air interface
Applicants:
엘지전자 주식회사 LG ELECTRONICS INC. [KR/KR]; 서울시 영등포구 여의대로 128 128, Yeoui-daero Yeongdeungpo-Gu Seoul 07336, KR
Inventors:
김래영 KIM, Laeyoung; KR
김현숙 KIM, Hyunsook; KR
류진숙 RYU, Jinsook; KR
박상민 PARK, Sangmin; KR
윤명준 YOUN, Myungjune; KR
Agent:
김용인 KIM, Yong In; KR
방해철 BAHNG, Hae Cheol; KR
Priority Data:
10-2018-008585024.07.2018KR
10-2018-008902331.07.2018KR
62/564,28428.09.2017US
62/565,11229.09.2017US
Title (EN) METHOD FOR TRANSMITTING AND RECEIVING SIGNAL RELATED TO HANDOVER FROM 5GS TO EPS IN WIRELESS COMMUNICATION SYSTEM AND DEVICE THEREFOR
(FR) PROCÉDÉ DE TRANSMISSION ET DE RÉCEPTION DE SIGNAUX ASSOCIÉS À UN TRANSFERT D'UN SYSTÈME 5GS À UN SYSTÈME EPS DANS UN SYSTÈME DE COMMUNICATION SANS FIL, ET DISPOSITIF ASSOCIÉ
(KO) 무선 통신 시스템에서 5GS에서 EPS로의 핸드오버에 관련된 신호 송수신 방법 및 이를 위한 장치
Abstract:
(EN) An embodiment of the present invention relates to a method for an access and mobility management function (AMF) transmitting and receiving a signal related to a handover from 5GS to an evolved packet system (EPS) of a user equipment (UE) in a wireless communication system the method comprising a step in which the AMF receives a handover required message from a next-generation radio access network (NG-RAN); a step in which the AMF requests a session management (SM) context to a packet data network gateway+session management function (PGW + SMF); a step of receiving an SM context from the PGW + SMF; and a step in which the AMF transmits a handover command to the NG-RAN, wherein the SM context request is for a PDU session associated with 3GPP access among a plurality of protocol data unit (PDU) sessions.
(FR) Un mode de réalisation de la présente invention concerne un procédé exécuté par une fonction de gestion d'accès et de gestion de mobilité (AMF) qui transmet et reçoit un signal relatif à un transfert d'un système 5GS à un système de paquet évolué (EPS) d'un équipement d'utilisateur (UE) dans un système de communication sans fil. Le procédé comprend : une étape dans laquelle l'AMF reçoit un message de transfert requis, d'un réseau d'accès radio de nouvelle génération (NG-RAN); une étape dans laquelle l'AMF demande un contexte de gestion de session (SM) à une fonction de gestion de passerelle de réseau de données par paquets+session (PGW+SMF); une étape de réception d'un contexte SM, de la PGW+SMF; et une étape dans laquelle l'AMF transmet une instruction de transfert au NG-RAN, la demande de contexte SM étant utilisée pour une session PDU associée à un accès 3GPP d'une pluralité de sessions d'unité de données de protocole (PDU).
(KO) 본 발명의 일 실시예는, 무선통신시스템에서 Access and Mobility Management Function(AMF)가 User Equipment(UE)의 5GS에서 Evolved Packet System(EPS)로의 핸드오버에 관련된 신호를 송수신 하는 방법에 있어서, AMF가 Next Generation Radio Access Network(NG-RAN)으로부터 Handover Required 메시지를 수신하는 단계; 상기 AMF가 Packet Data Network Gateway+Session Management Function(PGW+SMF)에게 Session Management(SM) 컨텍스트를 요청하는 단계; 상기 PGW+SMF로부터 SM 컨텍스트를 수신하는 단계; 상기 AMF가 상기 NG-RAN으로 Handover command를 전송하는 단계를 포함하며, 상기 SM 컨텍스트 요청은, 복수의 Protocol Data Unit (PDU) 세션 중 3GPP 액세스에 관련된 PDU 세션에 대한 것인, 핸드오버에 관련된 신호 송수신 방법이다.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: Korean (KO)
Filing Language: Korean (KO)