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    SDL CACHE FOR O-RAN
    1.
    发明申请
    SDL CACHE FOR O-RAN 有权

    公开(公告)号：US20220286939A1

    公开(公告)日：2022-09-08

    申请号：US17376835

    申请日：2021-07-15

    Applicant: VMware, Inc.

    Inventor： Aditya Gudipati ,  Amit Singh

    IPC: H04W40/24 ,  H04W92/14 ,  H04L29/08

    Abstract: Some embodiments provide a method of performing control plane operations in a radio access network (RAN). The method deploys several machines on a host computer. On each machine, the method deploys a control plane application to perform a control plane operation. The method also configures on each machine a RAN intelligent controller (RIC) SDK to serve as an interface between the control plane application on the same machine and a set of one or more elements of the RAN. In some embodiments, the RIC SDK on each machine includes a set of network connectivity processes that establish network connections to the set of RAN elements for the control plane application. These RIC SDK processes allow the control plane application on their machine to forego having the set of network connectivity processes. In some embodiments, the set of network connectivity processes of each RIC SDK of each machine establishes and maintains network connections between the machine and the set of RAN elements used by the control plane application of the machine, and handles data packet transport to and from the set of RAN elements for the control plane application.

    RIC AND RIC FRAMEWORK COMMUNICATION
    2.
    发明申请
    RIC AND RIC FRAMEWORK COMMUNICATION 有权

    公开(公告)号：US20220286536A1

    公开(公告)日：2022-09-08

    申请号：US17384784

    申请日：2021-07-25

    Applicant: VMware, Inc.

    Inventor： Amit Singh ,  Aditya Gudipati ,  Rakesh Misra ,  Giridhar Subramani Jayavelu

    IPC: H04L29/08

    Abstract: To provide a low latency near RT RIC, some embodiments separate the RIC's functions into several different components that operate on different machines (e.g., execute on VMs or Pods) operating on the same host computer or different host computers. Some embodiments also provide high speed interfaces between these machines. Some or all of these interfaces operate in non-blocking, lockless manner in order to ensure that critical near RT RIC operations (e.g., datapath processes) are not delayed due to multiple requests causing one or more components to stall. In addition, each of these RIC components also has an internal architecture that is designed to operate in a non-blocking manner so that no one process of a component can block the operation of another process of the component. All of these low latency features allow the near RT RIC to serve as a high speed IO between the E2 nodes and the xApps.

    RUNNING SERVICES IN SDL OF A RIC
    3.
    发明申请
    RUNNING SERVICES IN SDL OF A RIC 有权

    公开(公告)号：US20220283842A1

    公开(公告)日：2022-09-08

    申请号：US17384779

    申请日：2021-07-25

    Applicant: VMware, Inc.

    Inventor： Amit Singh ,  Aditya Gudipati ,  Rakesh Misra ,  Giridhar Subramani Jayavelu

    IPC: G06F9/455

    Abstract: To provide a low latency near RT RIC, some embodiments separate the RIC's functions into several different components that operate on different machines (e.g., execute on VMs or Pods) operating on the same host computer or different host computers. Some embodiments also provide high speed interfaces between these machines. Some or all of these interfaces operate in non-blocking, lockless manner in order to ensure that critical near RT RIC operations (e.g., datapath processes) are not delayed due to multiple requests causing one or more components to stall. In addition, each of these RIC components also has an internal architecture that is designed to operate in a non-blocking manner so that no one process of a component can block the operation of another process of the component. All of these low latency features allow the near RT RIC to serve as a high speed IO between the E2 nodes and the xApps.

    DATA IO AND SERVICE ON DIFFERENT PODS OF A RIC
    4.
    发明申请
    DATA IO AND SERVICE ON DIFFERENT PODS OF A RIC 有权

    公开(公告)号：US20220283832A1

    公开(公告)日：2022-09-08

    申请号：US17384778

    申请日：2021-07-25

    Applicant: VMware, Inc.

    Inventor： Amit Singh ,  Giridhar Subramani Jayavelu ,  Aditya Gudipati

    IPC: G06F9/455 ,  H04W24/02 ,  G06F8/60

    Abstract: To provide a low latency near RT RIC, some embodiments separate the RIC's functions into several different components that operate on different machines (e.g., execute on VMs or Pods) operating on the same host computer or different host computers. Some embodiments also provide high speed interfaces between these machines. Some or all of these interfaces operate in non-blocking, lockless manner in order to ensure that critical near RT RIC operations (e.g., datapath processes) are not delayed due to multiple requests causing one or more components to stall. In addition, each of these RIC components also has an internal architecture that is designed to operate in a non-blocking manner so that no one process of a component can block the operation of another process of the component. All of these low latency features allow the near RT RIC to serve as a high speed IO between the E2 nodes and the xApps.

    RIC SDK
    6.
    发明申请
    RIC SDK 有权

    公开(公告)号：US20220286914A1

    公开(公告)日：2022-09-08

    申请号：US17376801

    申请日：2021-07-15

    Applicant: VMware, Inc.

    Inventor： Aditya Gudipati ,  Amit Singh ,  Rakesh Misra ,  Giridhar Subramani Jayavelu

    IPC: H04W28/16

    Abstract: Some embodiments provide a method of performing control plane operations in a radio access network (RAN). The method deploys several machines on a host computer. On each machine, the method deploys a control plane application to perform a control plane operation. The method also configures on each machine a RAN intelligent controller (RIC) SDK to serve as an interface between the control plane application on the same machine and a set of one or more elements of the RAN. In some embodiments, the RIC SDK on each machine includes a set of network connectivity processes that establish network connections to the set of RAN elements for the control plane application. These RIC SDK processes allow the control plane application on their machine to forego having the set of network connectivity processes. In some embodiments, the set of network connectivity processes of each RIC SDK of each machine establishes and maintains network connections between the machine and the set of RAN elements used by the control plane application of the machine, and handles data packet transport to and from the set of RAN elements for the control plane application.

    DATA IO AND SERVICE ON DIFFERENT PODS OF A RIC
    7.
    发明申请
    DATA IO AND SERVICE ON DIFFERENT PODS OF A RIC 有权

    公开(公告)号：US20220283882A1

    公开(公告)日：2022-09-08

    申请号：US17384777

    申请日：2021-07-25

    Applicant: VMware, Inc.

    Inventor： Amit Singh ,  Giridhar Subramani Jayavelu ,  Aditya Gudipati

    IPC: G06F9/54 ,  G06F11/34

    Abstract: To provide a low latency near RT RIC, some embodiments separate the RIC's functions into several different components that operate on different machines (e.g., execute on VMs or Pods) operating on the same host computer or different host computers. Some embodiments also provide high speed interfaces between these machines. Some or all of these interfaces operate in non-blocking, lockless manner in order to ensure that critical near RT RIC operations (e.g., datapath processes) are not delayed due to multiple requests causing one or more components to stall. In addition, each of these RIC components also has an internal architecture that is designed to operate in a non-blocking manner so that no one process of a component can block the operation of another process of the component. All of these low latency features allow the near RT RIC to serve as a high speed IO between the E2 nodes and the xApps.

    CONFIGURING DIRECT ACCESS TO HARDWARE ACCELERATOR IN AN O-RAN SYSTEM
    8.
    发明申请
    CONFIGURING DIRECT ACCESS TO HARDWARE ACCELERATOR IN AN O-RAN SYSTEM 有权

    公开(公告)号：US20220283840A1

    公开(公告)日：2022-09-08

    申请号：US17376766

    申请日：2021-07-15

    Applicant: VMware, Inc.

    Inventor： Giridhar Jayavelu ,  Aravind Srinivasan ,  Amit Singh

    IPC: G06F9/455 ,  G06F30/331 ,  G06F9/38

    Abstract: Some embodiments provide various methods for offloading operations in an O-RAN (Open Radio Access Network) onto control plane (CP) or edge applications that execute on host computers with hardware accelerators in software defined datacenters (SDDCs). At the CP or edge application operating on a machine executing on a host computer with a hardware accelerator, the method of some embodiments receives data, from an O-RAN E2 unit, to perform an operation. The method uses a driver of the machine to communicate directly with the hardware accelerator to direct the hardware accelerator to perform a set of computations associated with the operation. This driver allows the communication with the hardware accelerator to bypass an intervening set of drivers executing on the host computer between the machine's driver and the hardware accelerator. Through this driver, the application in some embodiments receives the computation results, which it then provides to one or more O-RAN components (e.g., to the E2 unit that provided the data, another E2 unit or another control plane or edge application).

    Active and standby RICs
    9.
    发明授权
    Active and standby RICs 有权

    公开(公告)号：US11836551B2

    公开(公告)日：2023-12-05

    申请号：US17860090

    申请日：2022-07-07

    Applicant: VMware, Inc.

    Inventor： Giridhar Subramani Jayavelu ,  Amit Singh

    IPC: G06F9/54 ,  G06F11/34 ,  G06F11/20 ,  H04L41/40 ,  H04L41/122

    CPC classification number: G06F9/546 ,  G06F11/2028 ,  G06F11/3409 ,  H04L41/122 ,  H04L41/40

    Abstract: To provide a low latency near RT RIC, some embodiments separate the RIC's functions into several different components that operate on different machines (e.g., execute on VMs or Pods) operating on the same host computer or different host computers. Some embodiments also provide high speed interfaces between these machines. Some or all of these interfaces operate in non-blocking, lockless manner in order to ensure that critical near RT RIC operations (e.g., datapath processes) are not delayed due to multiple requests causing one or more components to stall. In addition, each of these RIC components also has an internal architecture that is designed to operate in a non-blocking manner so that no one process of a component can block the operation of another process of the component. All of these low latency features allow the near RT RIC to serve as a high speed IO between the E2 nodes and the xApps.

    SEPARATE IO AND CONTROL THREADS ON ONE DATAPATH POD OF A RIC
    10.
    发明申请
    SEPARATE IO AND CONTROL THREADS ON ONE DATAPATH POD OF A RIC 有权

    公开(公告)号：US20220287038A1

    公开(公告)日：2022-09-08

    申请号：US17384780

    申请日：2021-07-25

    Applicant: VMware, Inc.

    Inventor： Amit Singh ,  Aditya Gudipati

    IPC: H04W72/04 ,  H04W12/037 ,  H04W12/08

    Abstract: To provide a low latency near RT RIC, some embodiments separate the RIC's functions into several different components that operate on different machines (e.g., execute on VMs or Pods) operating on the same host computer or different host computers. Some embodiments also provide high speed interfaces between these machines. Some or all of these interfaces operate in non-blocking, lockless manner in order to ensure that critical near RT RIC operations (e.g., datapath processes) are not delayed due to multiple requests causing one or more components to stall. In addition, each of these RIC components also has an internal architecture that is designed to operate in a non-blocking manner so that no one process of a component can block the operation of another process of the component. All of these low latency features allow the near RT RIC to serve as a high speed IO between the E2 nodes and the xApps.

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