Configuration of a reduced number of TCI states in response to beam failure over a range of directions

By allowing the UE to report a reduced number of TCI states during operation mode changes, the system conserves resources and enhances communication efficiency by focusing on usable beams, addressing the inefficiencies in existing beam management strategies.

WO2025006151A2PCT designated stage expired Publication Date: 2025-01-02QUALCOMM INC
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Patent Information

Application Number
PCT/US2024/032866
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2023-06-29
Filing Date
2024-06-06
Publication Date
2025-01-02

AI Technical Summary

Technical Problem

Wireless communication systems face challenges in managing beam states effectively, particularly when user equipment (UE) transitions between operation modes, leading to unnecessary consumption of time-frequency resources and power due to continued monitoring and reporting of TCI states with poor performance.

Method used

The UE is configured to detect changes in operation modes and report a reduced number of TCI states to the network entity, conserving resources by focusing on usable communication beams and reducing unnecessary CSI reporting.

Benefits of technology

This approach reduces the consumption of time-frequency resources and power at both the UE and network entity by minimizing reporting on TCI states with significant performance loss, thereby optimizing resource usage and improving communication efficiency.

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Abstract

Certain aspects of the present disclosure provide techniques for improving beam management. An example method includes receiving, from a network entity, configuration information configuring the UE with a set of transmission configuration indicator (TCI) states, wherein the configured set of TCI states comprises a first number of TCI states for use in communicating with the network entity, detecting a change in an operation mode of the UE from a first operation mode to a second operation mode, and transmitting, based on the detected change in the operation mode of the UE, information to the network entity indicating the UE will monitor and report on a reduced second number of TCI states of the configured set of TCI states relative to the first number of TCI states.
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