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公开(公告)号：US20240340710A1
公开(公告)日：2024-10-10
申请号：US18748317
申请日：2024-06-20
Applicant: Cisco Technology, Inc.
Inventor： Abhishek Dhammawat , Srinath Gundavelli
IPC: H04W28/24 , H04L47/2441 , H04W28/02 , H04W28/20
CPC classification number: H04W28/24 , H04W28/0268 , H04W28/20 , H04L47/2441
Abstract: In one illustrative example, a user plane function (UPF) node may receive, from a controller node, a configuration of an allocated bandwidth for a predefined service classification associated with different predefined types of a communication resource at the UPF node, for each one of a plurality of different predefined service classifications associated with different predefined types of the communication resource. The UPF node may monitor a total bandwidth usage for each predefined service classification. Based on identifying that the total bandwidth usage exceeds a threshold limit, the UPF node may send, to the controller node, a message which indicates a request for readjusting the allocated bandwidth for the predefined service classification, and indicating the total bandwidth usage. The different predefined types of the communication resource may be different network slices at the UPF node, or different Quality of Service (QoS) Flow resource types at the UPF node, as examples.
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公开(公告)号：US20240306223A1
公开(公告)日：2024-09-12
申请号：US18665711
申请日：2024-05-16
Applicant: Cisco Technology, Inc.
Inventor： Ravi Kiran Guntupalli , Srinath Gundavelli , Abhishek Dhammawat
CPC classification number: H04W76/10 , H04W48/20 , H04W68/005
Abstract: Disclosed are embodiments that leverage a central control plane of a managed 5G network service architecture across multiple serviced tenants by deploying tenant specific user plane function (UPF) and gNB components within tenant managed compute infrastructure. To enable this architecture, the disclosed embodiments assign gNBs and UPF instances to specific tenants and communicate those assignments to core components. Policies can be defined and applied to specific tenants from the central control plane. Inbound data routing to a specific tenant is accomplished by referencing a data store in the control plane that identifies which gNBs are assigned to a tenant associated with the incoming data. Those gNBs are then paged to service the incoming data.
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公开(公告)号：US12089090B2
公开(公告)日：2024-09-10
申请号：US17329863
申请日：2021-05-25
Applicant: Cisco Technology, Inc.
Inventor： Abhishek Dhammawat , Srinath Gundavelli
IPC: H04W28/24 , H04W28/02 , H04W28/20 , H04L47/2441
CPC classification number: H04W28/24 , H04W28/0268 , H04W28/20 , H04L47/2441
Abstract: In one illustrative example, a user plane function (UPF) node may receive, from a controller node, a configuration of an allocated bandwidth for a predefined service classification associated with different predefined types of a communication resource at the UPF node, for each one of a plurality of different predefined service classifications associated with different predefined types of the communication resource. The UPF node may monitor a total bandwidth usage for each predefined service classification. Based on identifying that the total bandwidth usage exceeds a threshold limit, the UPF node may send, to the controller node, a message which indicates a request for readjusting the allocated bandwidth for the predefined service classification, and indicating the total bandwidth usage. The different predefined types of the communication resource may be different network slices at the UPF node, or different Quality of Service (QoS) Flow resource types at the UPF node, as examples.
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公开(公告)号：US12069747B2
公开(公告)日：2024-08-20
申请号：US17375765
申请日：2021-07-14
Applicant: Cisco Technology, Inc.
Inventor： Ravi Kiran Guntupalli , Srinath Gundavelli , Abhishek Dhammawat
CPC classification number: H04W76/10 , H04W48/20 , H04W68/005
Abstract: Disclosed are embodiments that leverage a central control plane of a managed 5G network service architecture across multiple serviced tenants by deploying tenant specific user plane function (UPF) and gNB components within tenant managed compute infrastructure. To enable this architecture, the disclosed embodiments assign gNBs and UPF instances to specific tenants and communicate those assignments to core components. Policies can be defined and applied to specific tenants from the central control plane. Inbound data routing to a specific tenant is accomplished by referencing a data store in the control plane that identifies which gNBs are assigned to a tenant associated with the incoming data. Those gNBs are then paged to service the incoming data.
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公开(公告)号：US20230412497A1
公开(公告)日：2023-12-21
申请号：US18362282
申请日：2023-07-31
Applicant: Cisco Technology, Inc.
Inventor： Abhishek Dhammawat , Srinath Gundavelli
IPC: H04L45/00 , H04L67/147 , H04L45/302 , H04W28/02 , H04L47/2441
CPC classification number: H04L45/38 , H04L67/147 , H04L47/2441 , H04L45/302 , H04W28/0268 , H04L45/566
Abstract: A user plane function (UPF) node may receive a packet for traffic associated with a user equipment (UE). During packet classification, the UPF node may identify that a packet filter for the packet is not found in a packet filter set of an existing Quality of Service (QoS) Flow. In response, the UPF node may configure the packet filter in the packet filter set of the QoS Flow based on a flow tuple of the packet. The UPF node may send, to a control plane function node, a message which indicates a request for adding the flow tuple to the QoS Flow. The message may be for triggering communication of a message which indicates a session modification command for receipt by the UE, for adding an uplink packet filter that is based on the flow tuple for the QoS Flow.
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Patent Agency Ranking
公开(公告)号：US11757707B2
公开(公告)日：2023-09-12
申请号：US17386939
申请日：2021-07-28
Applicant: Cisco Technology, Inc.
Inventor： Abhishek Dhammawat , Sri Gundavelli , Mahesh Satyanarayana
IPC: H04L41/069 , H04L67/146 , H04W24/08
CPC classification number: H04L41/069 , H04L67/146 , H04W24/08
Abstract: The present technology discloses methods, systems, and non-transitory computer-readable storage media for identifying a data communication session within a 5G enterprise network and providing assurance based on the identified data communication session. The present technology provides for establishing a data communication session for user equipment on a 5G network, generating a protocol data unit (PDU) session identifier for the data communication session, and distributing the PDU session identifier to one or more packet core nodes in the 5G network. The PDU session identifier can then be used for collecting one or more key performance indicators in association with the data communication session.
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公开(公告)号：US20230254942A1
公开(公告)日：2023-08-10
申请号：US18299400
申请日：2023-04-12
Applicant: Cisco Technology, Inc.
Inventor： Abhishek Dhammawat , Mahesh Satyanarayana , Srinath Gundavelli
Abstract: A network function is configured to initiate a bulk session cleanup with a single release request. The network function detects a configuration change to a wireless network system that affects multiple user sessions for multiple user devices. The network function generates a single bulk session release request identifying the affected user sessions and provides the single bulk session release request to at least one other network function responsible for the user sessions.
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公开(公告)号：US20230119693A1
公开(公告)日：2023-04-20
申请号：US17501987
申请日：2021-10-14
Applicant: Cisco Technology, Inc.
Inventor： Vimal Srivastava , Sri Gundavelli , Abhishek Dhammawat
Abstract: A system and method for dynamic enablement of a RLC mode of a Data Radio Bearer (DRB) based on UE radiofrequency (RF) conditions. A threshold value for a network characteristic is provided to a gNodeB. Changes in the network characteristic correlates to changes in RF channel conditions of the UE. The trigger configures the gNodeB to identify when the network characteristic meets the threshold value for selectively controlling operation of the gNodeB at one of a plurality of different operation modes including an initial radio link control (RLC) mode based on the network characteristic. A Protocol Data Unit (PDU) session is established with the gNodeB operating in an initial RLC mode with the possibility to dynamically switch to a different RLC mode based on RF channel conditions.
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公开(公告)号：US20230033202A1
公开(公告)日：2023-02-02
申请号：US17386939
申请日：2021-07-28
Applicant: Cisco Technology, Inc.
Inventor： Abhishek Dhammawat , Sri Gundavelli , Mahesh Satyanarayana
Abstract: The present technology discloses methods, systems, and non-transitory computer-readable storage media for identifying a data communication session within a 5G enterprise network and providing assurance based on the identified data communication session. The present technology provides for establishing a data communication session for user equipment on a 5G network, generating a protocol data unit (PDU) session identifier for the data communication session, and distributing the PDU session identifier to one or more packet core nodes in the 5G network. The PDU session identifier can then be used for collecting one or more key performance indicators in association with the data communication session.
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公开(公告)号：US20220141703A1
公开(公告)日：2022-05-05
申请号：US17084150
申请日：2020-10-29
Applicant: Cisco Technology, Inc.
Inventor： Abhishek Dhammawat , Srinath Gundavelli , Mahesh Satyanarayana
Abstract: In one illustrative example, a user plane function (UPF) may detect initial traffic for an application for a user equipment (UE) for which no current dedicated Quality of Service (QoS) flow is established. In response, the UPF may send, to a control plane function, a message which indicates a request for creating a dedicated QoS Flow for traffic for the application for the UE. The message may include flow metadata and an application identifier obtained in detecting the initial traffic. A QoS Flow may then be created for the traffic based on a selected QoS policy associated with the application identifier. Subsequently, the UPF may determine that a measured time period of traffic inactivity for the QoS Flow is outside a limit set by a threshold. Based on the determining, the UPF may send, to the control plane function, a message which indicates a request for deleting the QoS Flow.
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