Handling of SIB1 validity

By storing SIB1 with a value tag and comparing it with system updates, the terminal device determines validity, addressing the challenge of SIB1 content changes in 5G NR networks and optimizing network efficiency by minimizing unnecessary acquisitions.

WO2026112836A1PCT designated stage Publication Date: 2026-06-04NOKIA TECHNOLOGIES OY +1

Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
NOKIA TECHNOLOGIES OY
Filing Date
2024-11-27
Publication Date
2026-06-04

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Abstract

Example embodiments of the present disclosure relate to a terminal device, a method, apparatus, a computer readable storage medium and a computer program product for a validity of stored SIB1. In the solution, the terminal device may store SIB1 associated with a first network device, which comprises first information related to a first value tag. The terminal device may receive system information comprising second information related to a second value tag. In addition, the terminal device may determine a validity of the stored SIB1 based on the first information related to the first value tag and second information related to the second value tag. As such, the validity of the stored SIB1 can be determined and accordingly the SIB1 acquisition procedure is not required if the stored SIB1 is valid, therefore, the signalling overhead can be reduced.
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