(19)
(11) EP 3 860 189 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
13.12.2023 Bulletin 2023/50

(45) Mention of the grant of the patent:
08.11.2023 Bulletin 2023/45

(21) Application number: 19866085.4

(22) Date of filing: 27.09.2019
(51) International Patent Classification (IPC): 
H04W 24/04(2009.01)
H04W 76/18(2018.01)
(52) Cooperative Patent Classification (CPC):
H04W 24/04; H04W 76/19; H04W 76/25
(86) International application number:
PCT/CN2019/108574
(87) International publication number:
WO 2020/063876 (02.04.2020 Gazette 2020/14)

(54)

UE MIGRATION METHOD, APPARATUS, SYSTEM, AND STORAGE MEDIUM

BENUTZERGERÄTEMIGRATIONSVERFAHREN, VORRICHTUNG, SYSTEM UND SPEICHERMEDIUM

PROCÉDÉ DE MIGRATION D'UE, APPAREIL, SYSTÈME ET SUPPORT D'INFORMATIONS


(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30) Priority: 27.09.2018 CN 201811134224

(43) Date of publication of application:
04.08.2021 Bulletin 2021/31

(73) Proprietor: ZTE Corporation
Shenzhen, Guangdong 518057 (CN)

(72) Inventors:
  • LIANG, Shuang
    Shenzhen, Guangdong 518057 (CN)
  • LI, Zhijun
    Shenzhen, Guangdong 518057 (CN)
  • ZHU, Jinguo
    Shenzhen, Guangdong 518057 (CN)

(74) Representative: Vossius & Partner Patentanwälte Rechtsanwälte mbB 
Siebertstraße 3
81675 München
81675 München (DE)


(56) References cited: : 
WO-A1-2018/137866
CN-A- 106 664 216
CN-A- 105 577 408
   
  • NOKIA ET AL: "Heartbeat procedure", 3GPP DRAFT; C4-185177, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE , vol. CT WG4, no. Sophia Antipolis, France; 20180709 - 20180713 29 June 2018 (2018-06-29), XP051472290, Retrieved from the Internet: URL:http://www.3gpp.org/ftp/tsg%5Fct/WG4%5 Fprotocollars%5Fex%2DCN4/TSGCT4%5F85bis%5F Sophia%5FAntipolis/Docs [retrieved on 2018-06-29]
  • NOKIA ET AL: "Detecting NF (e.g. SMF) Failure and Restart using the NRF", 3GPP DRAFT; C4-186296, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE , vol. CT WG4, no. West Palm Beach, US; 20180820 - 20180824 10 August 2018 (2018-08-10), XP051574926, Retrieved from the Internet: URL:http://www.3gpp.org/ftp/tsg%5Fct/WG4%5 Fprotocollars%5Fex%2DCN4/TSGCT4%5F86%5FPal m%5FBeach/Docs/C4%2D186296%2Ezip [retrieved on 2018-08-10]
  • ZTE ET AL: "TS 23.502: N2 based handover", 3GPP DRAFT; S2-177634 TS23.502 N2 BASED HANDOVER-CH, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE , vol. SA WG2, no. Ljubljana, Slovenia; 20171023 - 20171027 30 October 2017 (2017-10-30), XP051360288, Retrieved from the Internet: URL:http://www.3gpp.org/ftp/tsg_sa/WG2_Arc h/TSGS2_123_Ljubljana/Docs/ [retrieved on 2017-10-30]
  • NOKIA: "GUTI unique across AMFs in an AMF SET", 3GPP TSG-SA WG2 Meeting #126 S 2-182963, 2 March 2018 (2018-03-02), XP051408859,
   
Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).