WO2026133012 - MODULAR NON-ACCESS STRATUM (NAS) HANDOVER
National phase entry is expected:
Publication Number
WO/2026/133012
Publication Date
25.06.2026
International Application No.
PCT/IB2025/062733
International Filing Date
11.12.2025
Title **
[English]
MODULAR NON-ACCESS STRATUM (NAS) HANDOVER
[French]
TRANSFERT DE STRATE DE NON-ACCÈS (NAS) MODULAIRE
Applicants **
NOKIA TECHNOLOGIES OY
Inventors
KHARE, Saurabh
CHANDRAMOULI, Devaki
MAVUREDDI DHANASEKARAN, Ranganathan
SINGH, Shubhranshu
MCGRATH, Martin
Priority Data
202441101449
20.12.2024
IN
Application details
| Total Number of Claims/PCT | * |
| Number of Independent Claims | * |
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| Number of Multi-Dependent Claims | * |
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International Searching Authority |
EPO
* |
| Recordal of a Change of the Applicant's Name/Address |
Change of Applicant's Name and Address
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| Type of Assignment |
The Standard Agent's Assignment
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| Applicant's Legal Status |
Legal Entity
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| * | |
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| Entry into National Phase under |
Chapter I
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| Patent Delivery |
Send the Letters Patent by Courier
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| 译文 |
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Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing, Examination, Granting | 2539 | |
| EPO | Filing, Examination, Granting | 14358 | |
| Japan | Filing, Examination, Granting | 2503 | |
| South Korea | Filing, Examination, Granting | 2824 | |
| USA | Filing, Examination, Granting | 5540 |
Total:
27,764
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Abstract[English]
A method performed by a user equipment (UE) is provided. The method includes receiving a handover command to handover the UE from a source network function (NF) to a target NF. The UE includes non-access stratum (NAS) modules associated with respective NAS connections terminated at respective NFs, and the handover command includes a NAS container for a NAS module that is associated with a NAS connection terminated at the source NF. The method includes routing to the NAS module the NAS container that includes information for the NAS connection and information for a new NAS connection to be associated with the NAS module and terminated at the target NF. And the method includes creating, at the NAS module, a new NAS security context for the new NAS connection based on the information for the NAS connection and the information for the new NAS connection in the NAS container.[French]
L'invention porte sur un procédé mis en œuvre par un équipement utilisateur (UE). Le procédé consiste à recevoir une commande de transfert pour transférer l'UE d'une fonction de réseau (NF) source à une NF cible. L'UE comprend des modules de strate de non-accès (NAS) associés à des connexions de NAS respectives se terminant au niveau de NF respectives, et la commande de transfert comprend un conteneur de NAS pour un module de NAS qui est associé à une connexion de NAS se terminant au niveau de la NF source. Le procédé consiste à acheminer vers le module de NAS le conteneur de NAS qui comprend des informations pour la connexion de NAS et des informations pour une nouvelle connexion de NAS à associer au module de NAS et se terminant au niveau de la NF cible. Et le procédé consiste à créer, au niveau du module de NAS, un nouveau contexte de sécurité de NAS pour la nouvelle connexion de NAS sur la base des informations pour la connexion de NAS et des informations pour la nouvelle connexion de NAS dans le conteneur de NAS.