User equipment context exploitation

CN122160846APending Publication Date: 2026-06-05NOKIA TECHNOLOGIES OY

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
NOKIA TECHNOLOGIES OY
Filing Date
2025-12-05
Publication Date
2026-06-05

AI Technical Summary

Technical Problem

In the RRC_INACTIVE state, the UE context retrieval process may cause delays and failures, especially when the UE switches to a different gNB. Existing technologies struggle to effectively manage and optimize the copying and recovery of the UE context.

Method used

By sharing the location information of the UE context among network nodes, offset values ​​(such as q-gNBUEC) are used to identify and optimize the cell reselection process, ensuring that the location of the UE context in multiple network nodes is correctly identified and restored.

Benefits of technology

It improves the efficiency and success rate of UE context recovery, reduces handover latency, optimizes power consumption, and enhances network flexibility and reliability.

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Abstract

A user equipment (UE) comprising at least one processor and at least one memory including computer program code, wherein the at least one memory and the computer program code are configured to, with the at least one processor, cause the user equipment to receive, from a first network node of a plurality of network nodes, information comprising an offset indicating a presence of a context associated with the user equipment in the plurality of network nodes, identify a second network node of the plurality of network nodes based on the information and a level of a signal received from the second network node; and send a communication recovery request to the second network node, the request comprising the information.
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