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    Scaling network capability using baseband unit pooling in fifth generation networks and beyond
    41.
    发明授权
    Scaling network capability using baseband unit pooling in fifth generation networks and beyond 有权

    公开(公告)号：US12063549B2

    公开(公告)日：2024-08-13

    申请号：US18155175

    申请日：2023-01-17

    Applicant: AT&T Intellectual Property I, L.P.

    Inventor： Minsung Jang ,  Aleksandr Zelezniak ,  Kaustubh Joshi

    IPC: H04W28/086 ,  H04W28/02 ,  H04W28/12 ,  H04W80/02

    CPC classification number: H04W28/0861 ,  H04W28/0263 ,  H04W28/12 ,  H04W80/02

    Abstract: The disclosed technology is directed towards load balancing baseband units in a communications network. A baseband physical layer 1 unit's functions are disaggregated into Layer 1 (L1) distributed units and radio units, instead of deploying full-fledged baseband units at a service' provider's service areas (cells). A load balancer scales up the number of active distributed units based on increased actual demand, and scales down the active distributed units based on decreased demand. The L1 distributed units and radio units can be software-defined network functions, and need not be collocated, whereby the distributed units can be in the cloud or hub remotely located relative to the radio units deployed at the service areas. Examples of load balancing can be load balancing of transmitted data per carrier, per subcarrier, per user equipment, per transmission time interval (TTI/slot), per bearer, or per channel.

    Pooling of baseband units in fifth generation networks and beyond
    42.
    发明授权
    Pooling of baseband units in fifth generation networks and beyond 有权

    公开(公告)号：US12034603B2

    公开(公告)日：2024-07-09

    申请号：US17653545

    申请日：2022-03-04

    Applicant: AT&T Intellectual Property I, L.P.

    Inventor： Gueyoung Jung ,  Aleksandr Zelezniak ,  Kaustubh Joshi ,  Shankaranarayanan Puzhavakath Narayanan

    IPC: H04L41/12 ,  H04L41/5019 ,  H04W24/02

    CPC classification number: H04L41/12 ,  H04L41/5019 ,  H04W24/02

    Abstract: Described is pooling baseband units into a hub and mapping radio units associated with the hub to baseband units of the group based on respective resource capacity data of the respective baseband units and an estimated resource usage data of a device that couples to a baseband unit. In one alternative, estimated peak resource usage data of a radio unit over an operation interval is used to select a baseband unit, generally based on which baseband unit of the pool has the least remaining resource capacity, to which the radio unit is mapped for the operation interval. In another alterative, estimated peak resource usage data resource (usage and duration) of a user equipment session is used to dynamically map the user equipment session to a baseband unit, generally selected by which baseband unit of the pool has the least remaining resource capacity.

    SCALING NETWORK CAPABILITY USING BASEBAND UNIT POOLING IN FIFTH GENERATION NETWORKS AND BEYOND
    43.
    发明公开
    SCALING NETWORK CAPABILITY USING BASEBAND UNIT POOLING IN FIFTH GENERATION NETWORKS AND BEYOND 审中-公开

    公开(公告)号：US20230292180A1

    公开(公告)日：2023-09-14

    申请号：US18155175

    申请日：2023-01-17

    Applicant: AT&T Intellectual Property I, L.P.

    Inventor： Minsung Jang ,  Aleksandr Zelezniak ,  Kaustubh Joshi

    IPC: H04W28/086 ,  H04W80/02 ,  H04W28/02 ,  H04W28/12

    CPC classification number: H04W28/0861 ,  H04W28/0263 ,  H04W28/12 ,  H04W80/02

    Abstract: The disclosed technology is directed towards load balancing baseband units in a communications network. A baseband physical layer 1 unit’s functions are disaggregated into Layer 1 (L1) distributed units and radio units, instead of deploying full-fledged baseband units at a service’ provider’s service areas (cells). A load balancer scales up the number of active distributed units based on increased actual demand, and scales down the active distributed units based on decreased demand. The L1 distributed units and radio units can be software-defined network functions, and need not be collocated, whereby the distributed units can be in the cloud or hub remotely located relative to the radio units deployed at the service areas. Examples of load balancing can be load balancing of transmitted data per carrier, per subcarrier, per user equipment, per transmission time interval (TTI / slot), per bearer, or per channel.

    POOLING OF BASEBAND UNITS IN FIFTH GENERATION NETWORKS AND BEYOND
    44.
    发明公开
    POOLING OF BASEBAND UNITS IN FIFTH GENERATION NETWORKS AND BEYOND 审中-公开

    公开(公告)号：US20230283524A1

    公开(公告)日：2023-09-07

    申请号：US17653545

    申请日：2022-03-04

    Applicant: AT&T Intellectual Property I, L.P.

    Inventor： Gueyoung Jung ,  Aleksandr Zelezniak ,  Kaustubh Joshi ,  Shankaranarayanan Puzhavakath Narayanan

    IPC: H04L41/12 ,  H04L41/5019 ,  H04W24/02

    CPC classification number: H04L41/12 ,  H04L41/5019 ,  H04W24/02

    Abstract: Described is pooling baseband units into a hub and mapping radio units associated with the hub to baseband units of the group based on respective resource capacity data of the respective baseband units and an estimated resource usage data of a device that couples to a baseband unit. In one alternative, estimated peak resource usage data of a radio unit over an operation interval is used to select a baseband unit, generally based on which baseband unit of the pool has the least remaining resource capacity, to which the radio unit is mapped for the operation interval. In another alterative, estimated peak resource usage data resource (usage and duration) of a user equipment session is used to dynamically map the user equipment session to a baseband unit, generally selected by which baseband unit of the pool has the least remaining resource capacity.

    Seamless reconfiguration of distributed stateful network functions
    45.
    发明授权
    Seamless reconfiguration of distributed stateful network functions 有权

    公开(公告)号：US11601497B1

    公开(公告)日：2023-03-07

    申请号：US17497828

    申请日：2021-10-08

    Applicant: AT&T Intellectual Property I, L.P.

    Inventor： Abhigyan ,  Kaustubh Joshi ,  Edward Scott Daniels

    IPC: G06F15/173 ,  H04L67/1029 ,  H04L67/1038 ,  H04L67/1031

    Abstract: A system can include a gateway, a plurality of network function nodes, and a distributed load balancer including load balancer nodes each having a flow table portion stored thereon. The load balancer nodes can form a node chain having a tail and head nodes. A load balancer node can receive a packet from the gateway. In response, the load balancer node can generate a query, directed to the tail node, that identifies the packet and a network function identifier associated with a network function node that is proposed to handle a connection. The tail node can determine whether an entry for the connection exists in a flow table portion associated with the tail node. If not, the tail node can initiate an insert request for writing the entry for the connection via the head node. The entry can then be written to all load balancer nodes in the node chain.

    ALLOCATION OF BASEBAND UNIT RESOURCES IN FIFTH GENERATION NETWORKS AND BEYOND
    46.
    发明申请
    ALLOCATION OF BASEBAND UNIT RESOURCES IN FIFTH GENERATION NETWORKS AND BEYOND 有权

    公开(公告)号：US20220167418A1

    公开(公告)日：2022-05-26

    申请号：US17104458

    申请日：2020-11-25

    Applicant: AT&T Intellectual Property I, L.P.

    Inventor： Aleksandr Zelezniak ,  Minsung Jang ,  Kaustubh Joshi ,  Xuan Tuyen Tran

    IPC: H04W74/08 ,  H04W74/00 ,  H04W80/02 ,  H04W76/11

    Abstract: The disclosed technology is directed towards associating a distributed unit (a baseband function) with a radio unit, corresponding to a service area, when the radio unit transitions from an idle state to an active state with respect to serving user equipment. When an idle radio unit receives a message requesting connection from a formerly idle user equipment, or user equipment to be served due to a handover, the message triggers assignment of a distributed unit to the radio unit, whereby the radio unit becomes active to serve the user equipment. If insufficient distributed unit capacity exists, a new distributed unit is dynamically instantiated and assigned to the radio unit. When a radio unit transitions from active to idle, the radio unit is disassociated from the distributed unit. If a distributed unit is not associated with any radio unit, the distributed unit is deactivated to reduce resource consumption.

    SCALING NETWORK CAPABILITY USING BASEBAND UNIT POOLING IN FIFTH GENERATION NETWORKS AND BEYOND
    47.
    发明申请
    SCALING NETWORK CAPABILITY USING BASEBAND UNIT POOLING IN FIFTH GENERATION NETWORKS AND BEYOND 有权

    公开(公告)号：US20220159510A1

    公开(公告)日：2022-05-19

    申请号：US17098619

    申请日：2020-11-16

    Applicant: AT&T Intellectual Property I, L.P.

    Inventor： Minsung Jang ,  Aleksandr Zelezniak ,  Kaustubh Joshi

    IPC: H04W28/08 ,  H04W28/12 ,  H04W28/02 ,  H04W80/02

    Abstract: The disclosed technology is directed towards load balancing baseband units in a communications network. A baseband physical layer 1 unit's functions are disaggregated into Layer 1 (L1) distributed units and radio units, instead of deploying full-fledged baseband units at a service' provider's service areas (cells). A load balancer scales up the number of active distributed units based on increased actual demand, and scales down the active distributed units based on decreased demand The L1 distributed units and radio units can be software-defined network functions, and need not be collocated, whereby the distributed units can be in the cloud or hub remotely located relative to the radio units deployed at the service areas. Examples of load balancing can be load balancing of transmitted data per carrier, per subcarrier, per user equipment, per transmission time interval (TTI/slot), per bearer, or per channel.

    Topology aware load balancing engine
    49.
    发明授权
    Topology aware load balancing engine 有权

    公开(公告)号：US10958568B2

    公开(公告)日：2021-03-23

    申请号：US16408717

    申请日：2019-05-10

    Applicant: AT&T Intellectual Property I, L.P.

    Inventor： Matti A. Hiltunen ,  Richard D. Schlichting ,  Kaustubh Joshi ,  Hiroya Matsuba

    IPC: H04L12/721 ,  H04L12/26 ,  H04L12/24 ,  H04L29/08

    Abstract: Concepts and technologies are disclosed herein for a topology aware load balancing engine. A processor that executes a load balancing engine can receive a request for a load balancing plan for an application. The processor can obtain network topology data that describes elements of a data center and links associated with the elements. The processor can obtain an application flow graph associated with the application and create a load balancing plan to use in balancing traffic associated with the application. The processor can create the load balancing plan to use in balancing traffic associated with the application and distribute commands to the data center to balance traffic over the links.

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