Method and apparatus for UE initiated early timing advance acquisition

WO2025023646A1PCT designated stage expired Publication Date: 2025-01-30SAMSUNG ELECTRONICS CO LTD
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Patent Information

Application Number
PCT/KR2024/010446
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-07-10
Filing Date
2024-07-19
Publication Date
2025-01-30

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Abstract

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Methods and apparatuses for user equipment (UE) initiated early timing advance acquisition A UE includes a transceiver configured to receive an early timing advance (TA) configuration including an early TA random access (RA) resource for a candidate cell for conditional layer 1 / layer 2 triggered mobility (CLTM), transmit, on the early TA RA resource, a physical random access channel (PRACH) preamble to the candidate cell, and receive a message including a current TA for the candidate cell. The UE further includes a processor operatively coupled to the transceiver. The processor is configured to apply the current TA to the candidate cell, and start a time alignment timer (TAT) for the candidate cell.
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Citation Information

Patent Citations

  • Timing advance acquisition for neighbor cells

    US20230112574A1

Cited By

  • First network node, second network node and methods performed thereby in wireless communication network

    WO2026164553A1