Early configuration message
By implementing an early configuration message for SRS, CSI-RS, and CSI reporting before transitioning to RRC idle/inactive states, latency issues in CSI feedback and reference signal transmissions are mitigated, enhancing communication efficiency.
WO2026119539A1 Publication Date: 2026-06-11NOKIA TECHNOLOGIES OY
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Patent Information
- Application Number
- PCT/EP2025/083020
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2024-12-02
- Filing Date
- 2025-11-14
- Publication Date
- 2026-06-11
AI Technical Summary
Technical Problem
Current communication systems experience significant latency due to the need for CSI feedback and reference signal transmissions only after transitioning to the RRC connected state, leading to inefficiencies in link adaptation.
Method used
An early configuration message is transmitted to a terminal apparatus before initiating a RACH procedure or transitioning to a RRC idle/inactive state, indicating configurations for SRS, CSI-RS, and CSI reporting, allowing these operations to be performed in advance.
Benefits of technology
This approach reduces latency by enabling timely CSI measurements and reference signal transmissions upon entering the RRC connected state, optimizing communication efficiency.
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Abstract
Example embodiments of the present disclosure are directed to an early configuration message. A method comprises receiving, from a network apparatus, an early configuration message prior to starting a random access channel (RACH) procedure or transitioning to a radio resource control (RRC) idle or inactive state, the early configuration message indicating at least one early configuration comprising a previous configuration used by the terminal apparatus in a previous RRC connected state or a reference configuration indicating the previous configuration; storing information associated with the previous configuration in the RRC idle or inactive state; receiving, from the network apparatus, a random access response (RAR) message comprising an indication associated with the at least one early configuration; and determining, based on at least the indication, a target early configuration of the at least one early configuration.
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