QoS flow with multiplexed XR streams

By configuring PDR and forwarding action rules in the user plane function, the QoS flow of XR streams is identified and managed, solving the problem of XR stream QoS processing in the existing technology, and achieving more efficient resource allocation and improved user experience.

CN122122992APending Publication Date: 2026-05-29INTERDIGITAL PATENT HOLDINGS INC
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
INTERDIGITAL PATENT HOLDINGS INC
Filing Date
2024-11-01
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

Existing PDU set QoS processing methods struggle to effectively identify and manage the QoS requirements of different flows in extended reality (XR) streams, leading to improper resource allocation and a degraded user experience.

Method used

Configure Packet Detection (PDR) rules and forwarding action rules through User Plane Function (UPF), identify and map XR flows to QoS flows, generate GTP-U packet headers, and add flow metadata to meet the QoS requirements of each flow PDU set.

Benefits of technology

It enables precise QoS management of XR streams, improves resource allocation efficiency and user experience, and ensures that the service quality requirements of different XR streams are effectively met.

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Abstract

A network node can be configured with a packet detection rule (PDR). The PDR can allow the network node to identify one or more extended reality (XR) flows. The network node can be configured with a forwarding action rule (FAR). The FAR can include information about how the one or more XR flows should be routed. The network node can invoke a user plane function (UPF). The UPF can be configured using information from the PDR and / or the FAR. The network node can establish a protocol data unit (PDU) session. The network node can identify one or more XR flows indicated in the PDU session based at least on its configured PDR. The network node can forward the one or more XR flows according to the information in the FAR.
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