Method in 5G system related to service request process of PDU session applied to augmented reality and media services

By transmitting XRM service indications and capability information during the service request process in the 5G system, the problem of unknown QoS of the PDU set of the RAN node is solved, ensuring that the QoS flow of the XRM service can be correctly configured and managed, and improving the stability and efficiency of the communication system.

CN120814283APending Publication Date: 2025-10-17GOOGLE LLC
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Patent Information

Application Number
CN202480018040.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2023-09-29
Filing Date
2024-02-09
Publication Date
2025-10-17

AI Technical Summary

Technical Problem

In 5G systems, the unknown QoS handling capability of RAN nodes for PDU sets leads to uncertain QoS of XRM services, resulting in resource waste and unstable communications, especially when UE states switch.

Method used

By exchanging information between UE, RAN nodes and CN elements during the service request process, XRM service indications and capability information are transmitted to ensure that SMF and UPF can configure the QoS flow of the PDU set based on the actual capabilities of the RAN node, including message delivery and QoS flow binding on RRC messages, N1, N2, and N4 interfaces.

Benefits of technology

This ensures that the QoS flow of the XRM service can be correctly configured and managed when the UE status changes, reduces resource waste, and improves the stability and efficiency of the communication system.

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Abstract

Methods and apparatus in wireless network wireless communications are directed to informing a core network function of the radio access network node's ability to provide augmented reality and media services in a service request procedure context. A radio access network node (104) serving a user equipment (102) receives (210) a message requesting activation of an established packet data unit session. The radio access network node then transmits (212) a service request for activating the established PDU session and an indication of whether the node is capable of providing augmented reality and media services to a core network element (110) performing a core network function, such as AMF or SMF.
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