Title:
METHOD OF COMMUNICATION TERMINAL, COMMUNICATION TERMINAL, METHOD OF CORE NETWORK APPARATUS, AND CORE NETWORK APPARATUS
Document Type and Number:
WIPO Patent Application WO/2022/080371
Kind Code:
A1
Abstract:
A procedure to establish latest security key in a UE and a network is disclosed. More specifically, the procedure defines various method to establish latest Kausf in the UE and the network and make the UE and network uses the same Kausf in various security procedure.
Inventors:
TIWARI KUNDAN (JP)
TAMURA TOSHIYUKI (JP)
TAMURA TOSHIYUKI (JP)
Application Number:
PCT/JP2021/037750
Publication Date:
April 21, 2022
Filing Date:
October 12, 2021
Export Citation:
Assignee:
NEC CORP (JP)
International Classes:
H04W76/50; H04W12/041; H04W12/043; H04W12/069
Domestic Patent References:
| WO2020208996A1 | 2020-10-15 |
Other References:
NEC: "Discussion on use of established keys for AKMA root key", 3GPP DRAFT; S3-190640 DISCUSSION_ON_IMPLICIT_BOOTSTRAPPING, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. SA WG3, no. Stockholm (Sweden); 20190311 - 20190315, 4 March 2019 (2019-03-04), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051697577
See also references of EP 4154675A4
See also references of EP 4154675A4
Attorney, Agent or Firm:
IEIRI Takeshi (JP)
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