Title:
METHODS FOR HANDLING PACKET FILTERS FOR INTERWORKING BETWEEN A SERVICE BASED ARCHITECTURE, SBA, NETWORK AND AN EVOLVED PACKET SYSTEM, EPS, NETWORK AS WELL AS CORRESPONDING DEVICES
Document Type and Number:
WIPO Patent Application WO/2023/160850
Kind Code:
A9
Abstract:
A method performed by a session management function, SMF, in a service based architecture, SBA, network for handling packet filters when said SBA network is interworking with an Evolved Packet System, EPS, network, wherein the number of supported packet filters in the SBA network exceeds the number of supported packet filters in the EPS network, the method comprising the steps of transmitting, by said SMF, to a Policy Control Function, PCF, in said SBA network, a policy control request in relation to a session request of a User Equipment, UE, with said SBA network, receiving, by said SMF, from said PCF, a policy control response, wherein said policy control response comprises applicable packet filters for said session request of said UE with said SBA network, and comprising at least one of: preservation information indicating which applicable packet filters to preserve when said SBA network is interworking with said EPS network and priority information indicating priority information of said applicable packet filters that is to be taken into account when determining which applicable packet filters to preserve when said SBA network is interworking with said EPS network.
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Inventors:
ZHANG HONG (SE)
SONG YUMEI (SE)
GARCIA AZORERO FUENCISLA (ES)
FERNANDEZ ALONSO SUSANA (ES)
GAN JUYING (CN)
SONG YUMEI (SE)
GARCIA AZORERO FUENCISLA (ES)
FERNANDEZ ALONSO SUSANA (ES)
GAN JUYING (CN)
Application Number:
PCT/EP2022/084082
Publication Date:
March 28, 2024
Filing Date:
December 01, 2022
Export Citation:
Assignee:
ERICSSON TELEFON AB L M (SE)
International Classes:
H04W28/02
Attorney, Agent or Firm:
ALGEMEEN OCTROOI- EN MERKENBUREAU B.V. (NL)
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