Transmission rate control in radio access networks

By generating RBR query messages based on uplink data volume and packet transmission delay, and implementing prioritization and retransmission mechanisms, the RBR procedure is enhanced for efficient and reliable transmission rate control in radio access networks, addressing inefficiencies in current RBR protocols.

WO2026074981A1 Publication Date: 2026-04-09SHARP KK
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Patent Information

Application Number
PCT/JP2025/033571
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-10-02
Filing Date
2025-09-24
Publication Date
2026-04-09

AI Technical Summary

Technical Problem

The current Recommended Bit Rate (RBR) procedure in radio access networks is inefficient due to lack of network control over triggering, per-LCH signaling without traffic flow control, unreliable cross-layer interaction, and delayed or unsuccessful transmission of RBR queries, particularly in extended reality applications.

Method used

Implement methods for wireless terminals and network nodes to generate and transmit RBR query messages based on uplink data volume, packet transmission delay, and packet discard status, with prioritization and retransmission mechanisms to ensure timely and reliable RBR signaling.

Benefits of technology

Enhances RBR procedures by providing network-controlled, per-traffic flow rate control, ensuring timely and reliable transmission of RBR queries, thereby improving multimedia service quality in dynamic environments.

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Abstract

A wireless terminal of a telecommunications system comprises wireless terminal processor circuitry and wireless terminal interface circuitry. The wireless terminal processor circuitry is configured to generate a rate adaptation eligibility message to indicate whether a resource of the wireless terminal is eligible for codec rate adaptation. The wireless terminal interface circuitry is configured to transmit the rate adaptation eligibility message across a radio interface to a network node.
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