Title:
ACCESS AND MOBILITY MANAGEMENT FUNCTION (AMF) DEVICE, USER EQUIPMENT (UE), METHOD OF AMF DEVICE AND METHOD OF UE
Document Type and Number:
WIPO Patent Application WO/2023/002991
Kind Code:
A1
Abstract:
[Problem] This disclosure proposes solutions for some situations in the 3GPP nodes or some situations in the connection between the 3GPP nodes during the Network Slice Admission Control (NSAC) procedure. [Solution] An Access and Mobility Management Function (AMF) device for communicating with a User equipment (UE) and a Network Slice Admission Control Function (NSACF) device includes a receiver and a transmitter. The receiver is configured to receive, from the UE, a Registration Request message including first information indicating whether the UE supports a first function and requested Network Slice Selection Assistance Information (NSSAI). The transmitter is configured to transmit, to the UE, a Non-Access Stratum (NAS) message including a rejected NSSAI including a first cause value and a back-off timer value if the UE supports the first function. The transmitter is configured to transmit, to the UE, the NAS message including a rejected NSSAI including a second cause value if the UE does not support the first function.
Inventors:
TIWARI KUNDAN (JP)
TAMURA TOSHIYUKI (JP)
IANEV ISKREN (JP)
TAMURA TOSHIYUKI (JP)
IANEV ISKREN (JP)
Application Number:
PCT/JP2022/028087
Publication Date:
January 26, 2023
Filing Date:
July 19, 2022
Export Citation:
Assignee:
NEC CORP (JP)
International Classes:
H04W76/10; H04W88/14
Other References:
ERICSSON: "S-NSSAI rejected due to maximum number of UEs reached and BO timer value", 3GPP DRAFT; C1-213693, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. CT WG1, no. Electronic meeting; 20210520 - 20210528, 26 May 2021 (2021-05-26), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP052015275
SAMSUNG: "NSAC with consideration of access type", 3GPP DRAFT; S2-2104897, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. SA WG2, no. Elbonia; 20210517 - 20210528, 28 May 2021 (2021-05-28), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP052016855
SAMSUNG: "NSAC with consideration of access type", 3GPP DRAFT; S2-2104897, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. SA WG2, no. Elbonia; 20210517 - 20210528, 28 May 2021 (2021-05-28), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP052016855
Attorney, Agent or Firm:
KITAJIMA Hiroshi et al. (JP)
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