AUTHENTICATION OF USER EQUIPMENT (UE) FOR NETWORK REGISTRATION WITH UE MOBILITY REGISTRATION UPDATE (MRU)
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United States of America Patent
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Issued Date -
Aug 1, 2024
app pub date -
Jan 26, 2023
filing date -
Jan 26, 2023
priority date (Note) -
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Abstract
User equipment (UE) in idle mode returns to a coverage area of a first cellular network of a first mobile network operator from using a second cellular network of a second mobile network operator. In response to the UE in idle mode returning to the coverage area of a first cellular network from using a second cellular network, a core network of the first cellular network receives a mobility registration update (MRU) request from the UE. In response to the core network of the first cellular network not being able to retrieve UE context of the UE based on the MRU request, without rejecting the MRU request, the core network of the first cellular network sends an identity request to the UE to provide an identity of the UE to the core network of the first cellular network, enabling registration of the UE on the first cellular network without rejecting the MRU request.
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