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[2025-2028] : [SG13] : [Q23/13]

[Declared patent(s)]  - [Associated work]

Work item: Y.3232 (ex Y.FMSC-SF)
Subject/title: Fixed, mobile and satellite convergence - Store and forward for IMT-2020 networks and beyond
Status: Consented on 2026-07-02 [Issued from previous study period]
Approval process: AAP
Type of work item: Recommendation
Version: New
Equivalent number: -
Timing: 2026-07 (High priority)
Liaison: ITU-T SG11, ITU-R WP4B, ITU-R WP5D, 3GPP SA1, 3GPP SA2
Supporting members: CICT, China Mobile, BUPT, China Telecom, Zhejiang Lab
Summary: The store and forward mode for the fixed, mobile and satellite convergence (FMSC) is intended to provide communication service for multi-access user equipment (MUE) under satellite coverage with intermittent/temporary satellite connectivity (e.g. when the satellite is not connected via a feeder link or via Inter-Satellite Link (ISL) to the land-based network). This Recommendation specifies the requirements, architecture and service procedure of store and forward for FMSC for IMT-2020 networks and beyond. The radio aspects are out of the scope of this Recommendation.
Comment: -
Reference(s):
  Historic references:
Contact(s):
Hui XU, Editor
Nanxiang SHI, Editor
Shanzhi CHEN, Editor
Bo HU, Editor
Heng WANG, Editor
Nan HAO, Editor
ITU-T A.5 justification(s):
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First registration in the WP: 2023-11-15 16:27:56
Last update: 2026-07-13 18:20:42