Flexible radio resource control user equipment identifier

By dynamically constructing a flexible RRC UE ID, the problems of low resource management efficiency and poor device support caused by the existing RRC UE ID structure are solved, achieving more efficient network performance and signaling optimization.

CN122269494APending Publication Date: 2026-06-23NOKIA TECHNOLOGIES OY
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
NOKIA TECHNOLOGIES OY
Filing Date
2025-12-19
Publication Date
2026-06-23

AI Technical Summary

Technical Problem

The existing RRC UE ID structure uses the same ID across different RRC states, RAN nodes, or RAN node sets, which leads to several problems, including low resource management efficiency, increased message payload, and poor support for devices with different mobility characteristics.

Method used

A flexible RRC UE ID structure is adopted, which dynamically constructs the RRC UE ID based on factors such as the UE's location, mobility characteristics, mobility behavior, and RRC status. This includes header fields indicating the presence of fields such as area ID, RAN node set ID, and RAN node ID, optimizing the size and content of the ID.

Benefits of technology

It improves the flexibility and efficiency of RRC UE ID, reduces air interface signaling load, supports devices with different mobility characteristics, and optimizes resource management and network performance.

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Abstract

The present disclosure relates to flexible radio resource control user equipment identifiers. A method performed by a user equipment (UE) includes receiving an assigned radio resource control (RRC) UE identifier (ID) that identifies the UE in a radio access network (RAN), the RRC UE ID including at least one ID header field carrying at least one header value that indicates that a RAN node ID field is present in the assigned RRC UE ID. The method includes making a determination, based on at least one of a location of the UE, a mobility characteristic, a mobility behavior, or a RRC state, whether to maintain or remove the RAN node ID field from the RRC UE ID for communications with the RAN. And the method includes constructing a version of the RRC UE ID based on the determination, and communicating with the RAN using the version of the RRC UE ID.
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