Data flow id allocation

By determining and allocating unused data flow IDs using extended Antenna-Carrier IDs, the method addresses conflicts in O-RAN networks, improving communication efficiency and performance in RF sharing and RF split scenarios.

WO2026112778A1 Publication Date: 2026-06-04NOKIA SOLUTIONS (SHANGHAI) CO LTD +1
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Patent Information

Application Number
PCT/CN2024/134536
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-11-26
Publication Date
2026-06-04

AI Technical Summary

Technical Problem

Existing communication networks face conflicts in assigning unique data flow IDs, particularly in O-RAN architectures with RF sharing or RF split scenarios, leading to inefficiencies and performance issues.

Method used

A method for data flow ID allocation involving network devices that request and receive carrier configuration information to determine and allocate unused data flow IDs, specifically using extended Antenna-Carrier (eAxC) IDs to ensure uniqueness, thereby reducing conflicts and improving communication performance.

Benefits of technology

The proposed solution effectively reduces data flow ID conflicts by ensuring unique eAxC IDs are assigned, enhancing communication efficiency and performance in O-RAN networks with RF sharing or RF split configurations.

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Abstract

Embodiments of the present disclosure relate to data flow ID allocation. In an aspect, a first network device transmits, to a second network device, a request for carrier configuration information associated with the second network device. The first network device receives, from the second network device, a reply including the carrier configuration information. The first network device based on determining, based on the carrier configuration information, a data flow ID which is unused on the second network device, allocates the unused data flow ID to a data flow of a carrier created by the first network device on the second network device.
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