Managing lower layer triggered mobility

The method addresses the challenges of managing lower layer triggered mobility in wireless communication systems by implementing a communication strategy in user equipment that ignores invalid LTM commands, ensuring continuous and efficient communication.

WO2025064965A1 Publication Date: 2025-03-27GOOGLE LLC
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Patent Information

Application Number
PCT/US2024/047901
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2023-09-22
Filing Date
2024-09-22
Publication Date
2025-03-27

AI Technical Summary

Technical Problem

Existing technologies face challenges in efficiently managing lower layer triggered mobility (LTM) in wireless communication systems, particularly in handling invalid LTM commands and early uplink synchronization commands, which can lead to interruptions in data communication.

Method used

A communication method implemented in a user equipment (UE) that involves communicating with a radio access network (RAN) on a serving cell, receiving an LTM command, and ignoring the command if it is invalid to continue communicating on the serving cell, or initiating a procedure to recover from communication failure.

Benefits of technology

This approach reduces latency and overhead associated with LTM cell changes by ensuring seamless communication even when invalid commands are received, thereby enhancing the reliability and efficiency of wireless communication.

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Abstract

A user equipment (UE) communicates with a radio access network (RAN) on a serving cell; receives, from the RAN, a lower-layered triggered mobility (LTM) command to initiate an LTM switch to a target cell; and when the command is invalid, ignores the LTM command to continue communicating with the RAN on the serving cell.
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