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    Framework for Traffic Engineering in Software Defined Networking
    61.
    发明申请
    Framework for Traffic Engineering in Software Defined Networking 有权

    公开(公告)号：US20160112326A1

    公开(公告)日：2016-04-21

    申请号：US14980492

    申请日：2015-12-28

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Hamidreza Farmanbar ,  Xu Li ,  Hang Zhang

    IPC: H04L12/803 ,  H04L12/801 ,  H04W28/12 ,  H04L12/715

    CPC classification number: H04W28/12 ,  H04L47/18

    Abstract: System and method embodiments are provided for traffic engineering (TE) in software defined networking (SDN). The embodiments enable a complete end-to-end TE solution between a user equipment (UE) and a source/destination across a radio access network (RAN). In an embodiment, a method in a network component for TE in a SDN includes receiving TE information from a first core network component in a core network, a RAN component, wherein the RAN is communicably coupled to the core network, wherein the TE information includes a TE objective; and determining a TE decision between at least one UE and a second core network component in the core network according to the TE information and the TE objective, wherein the TE decision comprises information for at least one end-to-end path solution between the at least one UE and the second core network wherein the path traverses the core network and the RAN.

    System and Method for a Customized Fifth Generation (5G) Network
    62.
    发明申请
    System and Method for a Customized Fifth Generation (5G) Network 有权
    定制第五代（5G）网络的系统和方法

    公开(公告)号：US20150257012A1

    公开(公告)日：2015-09-10

    申请号：US14639572

    申请日：2015-03-05

    Applicant: Huawei Technologies Co., LTD

    Inventor： Hang Zhang

    IPC: H04W16/14 ,  H04W72/04 ,  H04L12/713 ,  H04W64/00 ,  H04M15/00

    CPC classification number: H04W16/14 ,  H04L41/12 ,  H04L41/5054 ,  H04L45/586 ,  H04M15/31 ,  H04M15/66 ,  H04M15/8044 ,  H04W64/00

    Abstract: An embodiment logical function architecture for next-generation 5G wireless networks may include a control plane comprising a software defined topology (SDT) logical entity configured to establish a virtual data-plane logical topology for a service, a software defined resource allocation (SDRA) logical entity configured to map the virtual data-plane topology to a physical data-plane for transporting service-related traffic over the wireless network, and a software defined per-service customized data plane process (SDP) logical entity configured to select transport protocol(s) for transporting the service-related traffic over a physical data-plane of the wireless network. An embodiment virtual service specific serving gateway (v-s-SGW) for next-generation 5G networks may be assigned specifically to a service being provided by a group of wirelessly enabled devices, and may be responsible for aggregating service-related traffic communicated by the group of wirelessly enabled devices.

    Abstract translation: 用于下一代5G无线网络的实施例逻辑功能架构可以包括控制平面，其包括被配置为为服务建立虚拟数据平面逻辑拓扑的软件定义拓扑（SDT）逻辑实体，软件定义的资源分配（SDRA）逻辑 实体，被配置为将虚拟数据平面拓扑映射到用于通过无线网络传送服务相关业务的物理数据平面;以及软件定义的每服务定制数据平面过程（SDP）逻辑实体，被配置为选择传输协议 ），用于通过无线网络的物理数据平面传输服务相关业务。 用于下一代5G网络的实施例虚拟服务特定服务网关（vs-SGW）可以被具体分配给由一组无线启用设备提供的服务，并且可以负责聚合由该组 无线启用设备。

    Communication method and communications device in centralized unit-distributed unit architecture
    66.
    发明授权
    Communication method and communications device in centralized unit-distributed unit architecture 有权

    公开(公告)号：US11330645B2

    公开(公告)日：2022-05-10

    申请号：US16992787

    申请日：2020-08-13

    Applicant: HUAWEI TECHNOLOGIES CO., LTD.

    Inventor： Yinghao Jin ,  Feng Han ,  Hang Zhang ,  Wei Tan

    IPC: H04W76/10 ,  H04W24/04 ,  H04W28/02 ,  H04W88/08

    Abstract: Implementations of this application provide communications methods, devices, and chips. In an implementation, a method comprises: sending, by a centralized unit user plane (CU-UP) of an access network to a centralized unit control plane (CU-CP) of the access network, an interface setup request message to request to setup an E1 interface, the interface setup request message comprises an identity of a public land mobile network (PLMN) served by the CU-UP and a network slice identifier corresponding to the public land mobile network, wherein the network slice identifier identifies single network slice selection assistance information (S-NSSAI) or an S-NSSAI list; and sending, by the CU-CP, an interface setup response message to the CU-UP after receiving the interface setup request message.

    Service provisioning using abstracted network resource requirements
    68.
    发明授权
    Service provisioning using abstracted network resource requirements 有权

    公开(公告)号：US11071020B2

    公开(公告)日：2021-07-20

    申请号：US15277155

    申请日：2016-09-27

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Nimal Gamini Senarath ,  Ho Ting Cheng ,  Hang Zhang ,  Alex Stephenne

    IPC: H04W28/26 ,  H04L12/24 ,  H04L12/801 ,  H04L12/911 ,  H04W16/22 ,  H04W28/02 ,  H04W28/20

    Abstract: Interference costs on virtual radio interfaces can be modeled as a function of loading in a wireless network to estimate changes in spectral efficiency and/or resource availability that would result from a provisioning decision. In one example, this modeling is achieved through cost functions that are developed from historical and/or simulated resource cost data corresponding to the wireless network. The cost data may include interference data, spectral efficiency data, and/or loading data for various links over a common period of time (e.g., a month, a year, etc.), and may be analyzed and/or consolidated to obtain correlations between interference costs and loading on the various links in the network. As an example, a cost function may specify an interference cost on one virtual link as a function of loading on one or more neighboring virtual links.

    System and method for a control plane reference model framework
    69.
    发明授权
    System and method for a control plane reference model framework 有权

    公开(公告)号：US10700965B2

    公开(公告)日：2020-06-30

    申请号：US15925412

    申请日：2018-03-19

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Hang Zhang

    IPC: H04L12/717 ,  H04L12/725 ,  H04L12/24 ,  H04W28/02 ,  H04L12/715

    Abstract: Embodiments are provided for implementing control plane functionality to configure a data plane at a plurality of network nodes. A software defined topology (SDT) component is configured to determine a data plane logical topology indicating a plurality of selected nodes and a logical architecture connecting the selected nodes. The data plane logical topology enables traffic delivery for a service or virtual network for an end-customer or operator. A software defined networking (SDN) component is configured to interact with the SDT component and map the data plane logical topology to a physical network. The mapping includes allocating network nodes including the selected nodes and network resources which enable communications for the service or virtual network and meet QoS requirement. A software defined protocol (SDP) component is configured to interact with the SDN and define data plane protocol and process functionality for the network nodes.

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