ENFORCING NETWORK SLICE SIMULTANEOUS REGISTRATION GROUP (NSSRG) IN EVOLVED PACKET SYSTEM (EPS) IN A WIRELESS COMMUNICATION SYSTEM

Title:

ENFORCING NETWORK SLICE SIMULTANEOUS REGISTRATION GROUP (NSSRG) IN EVOLVED PACKET SYSTEM (EPS) IN A WIRELESS COMMUNICATION SYSTEM

Document Type and Number:

WIPO Patent Application WO/2023/136590

Kind Code:

A1

Abstract:

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Embodiments herein provide method for enforcing NSSRG in EPS by first network entity. The method includes receiving a PDN connection request with APN from UE. The method includes detecting whether any earlier PDN connection for UE is being handled by the first network entity or at least one second network entity. In an embodiment, when earlier PDN connection for the UE is handled by first network entity or the second network entity, the method includes applying NSSRG information for the PDN connection, selecting a S-NSSAI from a plurality of S-NSSAIs that is compatible to a S-NSSAI having same NSSRG information from the plurality of S-NSSAIs used to handle the earlier PDN connection by the network entity, and allocating the selected S-NSSAI to the UE to establish the PDN connection with the APN using allocated S-NSSAI.

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Inventors:

NAYAK ASHOK KUMAR (IN)
GUPTA VARINI (IN)

Application Number:

PCT/KR2023/000466

Publication Date:

July 20, 2023

Filing Date:

January 11, 2023

Export Citation:

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Assignee:

SAMSUNG ELECTRONICS CO LTD (KR)

International Classes:

H04W48/18; H04W48/16; H04W60/00; H04W76/11

Foreign References:

US20140146783A1	2014-05-29
US20170118787A1	2017-04-27
US20200260340A1	2020-08-13
US20210105328A1	2021-04-08

Other References:

CISCO SYSTEMS, NOKIA, NOKIA SHANGHAI BELL, ZTE: "PDU Session ID assignment for non N1-NAS UEs", 3GPP DRAFT; S2-2108486, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. SA WG2, no. e-meeting; 20211115 - 20211119, 15 November 2021 (2021-11-15), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP052100554

Attorney, Agent or Firm:

KWON, Hyuk-Rok et al. (KR)

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