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Work item:
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Y.FMSC-CS
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Subject/title:
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Fixed, mobile and satellite convergence - Connection switching between heterogeneous satellites for IMT-2020 networks and beyond
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Status:
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Under study
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Approval process:
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AAP
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Type of work item:
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Recommendation
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Version:
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New
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Equivalent number:
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-
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Timing:
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2027-07 (Medium priority)
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Liaison:
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ITU-T SG11, SG17, ITU-R WP4B, ITU-R WP5D, 3GPP SA1, 3GPP SA2
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Supporting members:
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CICT, BUPT, China Telecom, China Mobile
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Summary:
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FMSC is the capability that provides services and applications to end users regardless of the fixed, mobile or satellite access technologies being used. The geostationary-satellite orbit (GSO) overlay ensures continuous coverage, compensating for non-geostationary satellite orbit (NGSO) limitations and providing a reliable connection during handover failures or device power-saving cycles. The connection switching between heterogeneous satellites can provide a mechanism to let UE primarily connect to GSO for minimal power use, and connection to NGSO satellites occurs only upon explicit network instruction.This work contributes to the development of the standardization series of FMSC, and is market valuable for network operators, service providers, and end users,
This Recommendation specifies the connection switching between heterogeneous satellites for FMSC for IMT-2020 networks and beyond, in the aspects of requirements, architecture, information flows and security considerations.
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Comment:
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-
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Reference(s):
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Historic references:
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Contact(s):
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| ITU-T A.5 justification(s): |
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First registration in the WP:
2025-07-30 13:26:49
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Last update:
2025-07-30 13:34:51
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