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公开(公告)号：US20230397021A1
公开(公告)日：2023-12-07
申请号：US17830466
申请日：2022-06-02
发明人： Jerry Steben , Emerando M. Delos Reyes , Matthew W. Nelson , Raymond WaiMan So , Shanthala Kuravangi-Thammaiah
IPC分类号： H04W24/04 , H04L41/0806 , H04L67/1095
CPC分类号： H04W24/04 , H04L67/1095 , H04L41/0806
摘要： Systems and methods described herein enable premium session retainability for differentiation of services with respect to network function failures. A first network function of a core network obtains a session retention indicator during establishment of a protocol data unit (PDU) session. The first network function calculates a compute footprint for the first network function to support the PDU session and any other premium sessions currently serviced by the first network function. An orchestration device receives the compute footprint and provisions a second network function based on the compute footprint. The first network function and the second network function perform data replication of state information for the PDU session to allow premium sessions to continue with no or minimal interruption in the event of a failover scenario.
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公开(公告)号：US20240357481A1
公开(公告)日：2024-10-24
申请号：US18304767
申请日：2023-04-21
发明人： Suzann Hua , Jerry Steben , Raymond WaiMan So , Maqbool Chauhan , Tony Ferreira , Michael Kondratiuk
CPC分类号： H04W48/18 , H04W36/0011 , H04W76/10
摘要： A device in a network may be configured to: receive a request from a User Equipment (UE) device to establish a session with a network slice in the network; obtain a device type of the UE device; select, by using the device type, a Session Management Function (SMF), among a set of SMFs, which manages sessions for UE devices of the device type; and send a message to the selected SMF to create a session context. When the selected SMF receives the message, the selected SMF is configured to select a User Plane Function (UPF) based on the device type and cause the selected UPF to establish the session between the UE device and the network slice.
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3.发明公开公开(公告)号：US20240244560A1
公开(公告)日：2024-07-18
申请号：US18155410
申请日：2023-01-17
IPC分类号： H04W60/04 , H04W60/02 , H04W72/0453 , H04W72/23
CPC分类号： H04W60/04 , H04W60/02 , H04W72/0453 , H04W72/23
摘要： Systems and methods described herein employ a service profile for user equipment (UE). The UE service profile may be defined per network slice, such that a subscriber can have different registration area profiles, paging profiles, or performance profiles in different slices. According to one implementation, a network device receives a registration request requesting access to a network slice and obtains a UE service profile for the network slice. The service profile may indicate a paging profile and a registration profile associated with the UE device for the network slice.
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4.发明授权公开(公告)号：US11903044B2
公开(公告)日：2024-02-13
申请号：US17657806
申请日：2022-04-04
发明人： Suzann Hua , Sudhakar Reddy Patil , Parry Cornell Booker , David Taft , Raymond WaiMan So , Lap Tse
IPC分类号： H04W76/10 , H04L45/745 , H04W40/24 , H04W48/18
CPC分类号： H04W76/10 , H04L45/745 , H04W40/248 , H04W48/18
摘要： A network device may maintain a list of existing slice identifiers, associated with slices of a core network, that are in use in active UE sessions, and may receive a slice identifier associated with a slice of the core network and provided in a request to establish a session between a UE and the slice of the core network. The network device may determine whether the slice identifier matches an existing slice identifier included in the list, and may create a new network address, with an address of the network device and the slice identifier, based on the slice identifier failing to match an existing slice identifier included in the list. The network device may utilize the new network address to establish the session between the UE and the slice of the core network.
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