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公开(公告)号：US11902336B2
公开(公告)日：2024-02-13
申请号：US17524739
申请日：2021-11-11
申请人： T-Mobile USA, Inc.
发明人： Suliman Albasheir , Rahul Pal
摘要： Systems, devices, and techniques described herein relate to interception of data traffic that is traversing a network at a relatively high throughput rate. In some examples, a request to initiate interception is received from a server. In response to receiving the request to initiate interception, an instruction to forward user plane data to the server can be transmitted to a User Plane Function (UPF). The UPF may be transferring the user plane data in a data flow. The instruction may cause the UPF to forward the user plane data to the server in multiple streams. In addition, control plane data associated with the data flow can be transmitted to the server.
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公开(公告)号：US11722419B1
公开(公告)日：2023-08-08
申请号：US17220868
申请日：2021-04-01
申请人： T-Mobile USA, Inc.
IPC分类号： H04L47/24 , H04L41/147 , H04L43/02
CPC分类号： H04L47/24 , H04L41/147 , H04L43/02
摘要： Bandwidth-dependent selection of a packet routing node (e.g., user plane function (UPF) for 5G, packet data network gateway user plane function (PGW-U) for 4G) includes determining, for each of a plurality of packet routing nodes, a bandwidth capacity to an access network (e.g., a radio access node); receiving a request for a data traffic session; determining whether the data traffic session comprises a bandwidth priority; identifying a subset of the plurality of packet routing nodes having a higher bandwidth capacity than others of the plurality (e.g., the packet routing node having the highest capacity, or the top percentage); based on at least determining that the data traffic session comprises a bandwidth priority data traffic session, selecting a packet routing node for the data traffic session from the subset; and establishing the data traffic session through the selected packet routing node.
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3.发明申请公开(公告)号：US20230138558A1
公开(公告)日：2023-05-04
申请号：US17957107
申请日：2022-09-30
申请人： T-Mobile USA, Inc.
摘要： A method for selecting a user plane function when a user equipment (UE) attaches to a wireless communication network may include determining a data throughput limit associated with the UE, identifying a first user plane function having a first data throughput capacity, and identifying a second user plane function having a second data throughput capacity, wherein the first throughput capacity is higher than the second throughput capacity. The method may further include selecting the first user plane function if the data throughput limit of the UE is above a predetermined threshold, selecting the second user plane function if the data throughput limit of the UE is below the predetermined threshold, and sending a session request to the selected first or second user plane function.
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公开(公告)号：US20230087004A1
公开(公告)日：2023-03-23
申请号：US18051264
申请日：2022-10-31
申请人： T-Mobile USA, Inc.
发明人： Suliman Albasheir , Boris Antsev , Christopher H. Joul , Rahul Pal , Suresh Thanneeru , Karunakalage Viraj Rakitha Silva , Salvador Mendoza , Rushabhkumar Patel
摘要： Systems, devices, and techniques described herein relate to migrating a communication session from a path including a stressed user plane function (UPF) to a path including a replacement UPF. A communication session may traverse a first path including the first UPF. After establishing the communication session, the first UPF may be determined to be stressed. In response, the communication session can be proactively migrated to a second path including a second UPF. According to various implementations, the existing communication session can be maintained during the migration, thereby substantially eliminating interruptions caused by the stressed first UPF.
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公开(公告)号：US11611927B2
公开(公告)日：2023-03-21
申请号：US17105323
申请日：2020-11-25
申请人： T-Mobile USA, Inc.
摘要： A telecommunication network associated with a wireless telecommunication provider can be configured to select user-plane functions (UPFs) for a user equipment (UE) in a network, and the handover of subscriber sessions. According to some configurations, a nearest UPF to the UE can be picked to service the UE. Choosing the nearest UPF may reduce latency to the UE when sending and receiving packets through a cellular network, such as a 5G network. Subscriber sessions can be handed over across multiple UPFs based on mobility of the UE. Subscriber sessions may be anchored on UPFs located either on edge locations or centralized data centers. Because of mobility of subscribers from a first location (e.g., x) to a second location (e.g., y), a subscriber's session can be moved from one user plane node to another user plane node seamlessly.
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公开(公告)号：US20220417826A1
公开(公告)日：2022-12-29
申请号：US17823077
申请日：2022-08-29
申请人： T-Mobile USA, Inc.
发明人： Suliman Albasheir
摘要： An orchestration tool determines optimal user plane function (UPF) positioning by using edge nodes as proxy for UPF performance prediction. A disclosed solution includes: using a plurality of edge nodes as proxies to predict performance of a UPF, which has not yet been built, for routing data packets to a proxy-call session control function (P-CSCF) from locations of each of the plurality of edge nodes; selecting, by an orchestrator, a first edge node location; and generating, by the orchestrator, an alert indicating selection of the first edge node location. A first UPF will be built at the first edge node location although, in some examples, upon further monitoring, the orchestrator may determine that the second edge node location will outperform the first edge node location, resulting in the UPF moving to the second edge node location. In some examples, performance criteria depend on traffic type (e.g., real-time gaming).
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公开(公告)号：US20220353782A1
公开(公告)日：2022-11-03
申请号：US17812714
申请日：2022-07-14
申请人： T-Mobile USA, Inc.
摘要： A solution for establishing a data traffic session for a user equipment (UE) on a network (e.g., a 4G or 5G cellular network) includes: receiving, by a session management node, from the UE, a request to set up the data traffic session; establishing the data traffic session with a first packet routing node; receiving, by the session management node, from a network repository or the first packet routing node, an indication of unavailability of the first packet routing node to handle UE data traffic; and based on at least a status of the first packet routing node changing from available to handle UE data traffic to unavailable to handle UE data traffic, moving the data traffic session to the available alternate packet routing node.
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公开(公告)号：US11490318B2
公开(公告)日：2022-11-01
申请号：US17069481
申请日：2020-10-13
申请人： T-Mobile USA, Inc.
发明人： Suliman Albasheir , Boris Antsev , Christopher H. Joul , Rahul Pal , Suresh Thanneeru , Karunakalage Viraj Rakitha Silva , Salvador Mendoza , Rushabhkumar Patel
摘要： Systems, devices, and techniques described herein relate to migrating a communication session from a path including a stressed user plane function (UPF) to a path including a replacement UPF. A communication session may traverse a first path including the first UPF. After establishing the communication session, the first UPF may be determined to be stressed. In response, the communication session can be proactively migrated to a second path including a second UPF. According to various implementations, the existing communication session can be maintained during the migration, thereby substantially eliminating interruptions caused by the stressed first UPF.
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公开(公告)号：US11477670B2
公开(公告)日：2022-10-18
申请号：US17103915
申请日：2020-11-24
申请人： T-Mobile USA, Inc.
发明人： Salvador Mendoza , Rahul Pal , Muhammad Waqar Afzal , Muhammad Adnan Farooq , Suresh Thanneeru , Suliman Albasheir
IPC分类号： H04W4/00 , H04W24/04 , H04L67/1095 , H04W88/18
摘要： A system, e.g., associated with a telecommunications network, includes first and second registry devices. In some examples, the first registry device receives a registration message. The second registry device receives a query specifying a type (NFType) of a network function and forwards the query to the first registry device based at least in part on the NFType. The first registry device responds, and the second registry device forwards the response. In some examples, the query specifies a service class and the second registry device forwards the query based at least in part on the service class. In some examples, the first registry device sends an indication of the registration to the second registry device, and the second registry device responds to the query based at least in part on the received indication and on at least one of an NFType or a service class of the query.
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公开(公告)号：US20220210206A1
公开(公告)日：2022-06-30
申请号：US17136671
申请日：2020-12-29
申请人： T-Mobile USA, Inc.
发明人： Suliman Albasheir
摘要： Systems and methods for registering and selecting a Proxy-Call Session Control Function (P-CSCF) are described herein. The systems and methods described herein use a Network Repository Function (NRF) to receive status updates of P-CSCFs available to be selected. The status updates include information such as, but not limited to, whether or not the P-CSCF is active or above or below a predetermined loading threshold. The NRF provides the information to a Session Management Function (SMF) that selects which P-CSCF is to be utilized for a Session Initiation Protocol. The SMF can also use loading levels of the P-CSCFs to perform load balancing.
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