Tci state operation for l1l2 triggered mobility

EP4758948A1Pending Publication Date: 2026-06-17PANASONIC INTELLECTUAL PROPERTY CORP OF AMERICA
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Patent Information

Authority / Receiving Office
EP · EP
Patent Type
Applications
Current Assignee / Owner
PANASONIC INTELLECTUAL PROPERTY CORP OF AMERICA
Filing Date
2024-08-07
Publication Date
2026-06-17

AI Technical Summary

Technical Problem

Current 5G NR systems face challenges in efficiently managing mobility procedures, particularly in reducing latency and overhead during cell-switch events, especially when transitioning between cells of different gNB-DUs or across different frequency bands.

Method used

The implementation of improved beam indicator configuration and activation operations, which introduce new types of beam indicators dedicated for Layer-1-Layer-2-triggered mobility (LTM), allow for unified activation and selection mechanisms. These mechanisms enable the UE to prepare for beam usage in target candidate cells before the cell-switch, reducing latency and overhead.

Benefits of technology

This approach enhances mobility procedures by reducing latency, overhead, and interruption time during cell-switch events, while also improving power efficiency and processing complexity for the UE.

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Abstract

The present invention relates to a user equipment, UE, comprising the following. A transceiver of the UE receives configuration information for configuring a set of beam indicators, wherein the set of beam indicators includes at least one first beam indicator and at least one second beam indicator, wherein the at least one first beam indicator indicates one or more beams, which can be used for signal transmission and / or signal reception in a serving cell, which is serving the UE, and wherein the at least one second beam indicator indicates one or more candidate beams, which can be used for signal transmission and / or a signal reception after a cell-switch from the serving cell to a target candidate cell, which is one out of one or more candidates for participating in mobility for the UE. A processing circuitry of the UE configures the set of beam indicators obtained from the configuration information.
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