公开(公告)号：US20150195745A1

公开(公告)日：2015-07-09

申请号：US14148394

申请日：2014-01-06

Applicant: FutureWei Technologies, Inc.

Inventor： Hamidreza Farmanbar ,  Xu Li ,  Hang Zhang

IPC: H04W28/12 ,  H04W72/12 ,  H04W40/12

CPC classification number: H04W28/12 ,  H04L41/0816 ,  H04L43/0876 ,  H04L47/125 ,  H04L67/34 ,  H04W24/02 ,  H04W28/021 ,  H04W40/12 ,  H04W72/1289

Abstract: System and method embodiments are provided for adaptive traffic engineering configuration. The embodiments enable the TE configuration to change in real time in response to changing conditions in the network, the TE algorithm, or other variables such that a TE decision is substantially optimized for current real time conditions. In an embodiment, a method in a network component for adaptable traffic engineering (TE) configuration in software defined networking (SDN) includes receiving at the network component TE configuration information, wherein the TE configuration information comprises information about at least one of network conditions, a TE algorithm, user equipment (UE) information, and the network component, and dynamically changing with the network component the TE configuration in accordance to a change in the TE configuration information.

Abstract translation: 为自适应流量工程配置提供了系统和方法实施例。 这些实施例使得TE配置能够响应于网络中的变化条件，TE算法或其他变量而实时地改变，使得对当前实时条件基本上优化TE决定。 在一个实施例中，在软件定义的网络（SDN）中用于适应性流量工程（TE）配置的网络组件中的方法包括在网络组件TE接收信息，其中TE配置信息包括关于网络状况， TE算法，用户设备（UE）信息和网络组件，并根据TE配置信息的变化与TE组件动态地改变TE配置。

公开(公告)号：US20150188767A1

公开(公告)日：2015-07-02

申请号：US14142344

申请日：2013-12-27

Applicant: FutureWei Technologies, Inc.

Inventor： Xu Li ,  Petar Djukic ,  Hang Zhang

IPC: H04L12/24

CPC classification number: H04L41/0823 ,  H04L41/042 ,  H04L41/0816 ,  H04L41/12

Abstract: System and method embodiments are provided for traffic behavior driven dynamic zoning for distributed traffic engineering (TE) in software defined networking (SDN). In an embodiment, a method in a network component for dynamic zoning for TE in SDN includes receiving at the network component network information from at least one SDN controller from a plurality of SDN controllers in a network; determining with the network component a plurality of TE zones for the network, selecting a local zone TE controller for each of the plurality of TE zones, and selecting a master TE controller according to the network information and a zoning scheme, wherein the local zone TE controller and the master TE controller are selected form one of the SDN controllers; and transmitting with the network component an indication of the local zone TE controllers, zone membership, and the master controllers to at least some of the SDN controllers.

Abstract translation: 为软件定义网络（SDN）中的分布式流量工程（TE）提供了用于交通行为驱动的动态分区的系统和方法实施例。 在一个实施例中，用于SDN中的TE的动态分区的网络组件中的方法包括在网络中从网络中的多个SDN控制器接收来自至少一个SDN控制器的网络组件网络信息; 使用所述网络组件确定所述网络的多个TE区域，为所述多个TE区域中的每一个选择本地区域TE控制器，以及根据所述网络信息和分区方案来选择主TE控制器，其中，所述本地区域TE 控制器和主TE控制器从SDN控制器之一中选择; 以及与所述网络组件一起向所述SDN控制器中的至少一些与所述网络组件发送所述本地区域TE控制器，区域成员资格以及所述主控制器的指示。

公开(公告)号：US20150181465A1

公开(公告)日：2015-06-25

申请号：US14581867

申请日：2014-12-23

Applicant: Futurewei Technologies Inc.

Inventor： Ngoc-Dung Dao ,  Hang Zhang ,  Xu Li

IPC: H04W28/06

CPC classification number: H04W28/08 ,  H04B7/0617 ,  H04L47/122 ,  H04L47/76 ,  H04W24/08 ,  H04W28/0284 ,  H04W28/16

Abstract: A network includes network components configured to perform a method for on-demand radio coordination. The method includes determining a congested radio node in a plurality of radio nodes in the network in response to congestion information received from a network device. The method includes generating a cluster of radio nodes associated with the congested radio node. The method also includes optimizing radio resources of the radio nodes in the cluster to produce cluster optimization results configured to alleviate congestion of the congested radio node. The method further includes transmitting the cluster optimization results to the radio nodes in the cluster to alleviate the congestion.

Abstract translation: 网络包括被配置为执行按需无线电协调的方法的网络组件。 该方法包括响应于从网络设备接收到的拥塞信息，确定网络中多个无线节点中的拥塞无线节点。 该方法包括生成与拥塞的无线电节点相关联的无线电节点簇。 该方法还包括优化集群中的无线节点的无线电资源，以产生被配置为减轻拥塞的无线节点的拥塞的集群优化结果。 该方法还包括将集群优化结果发送到集群中的无线节点以减轻拥塞。

公开(公告)号：US20150124623A1

公开(公告)日：2015-05-07

申请号：US14536064

申请日：2014-11-07

Applicant: Futurewei Technologies, Inc.

Inventor： Xu Li ,  Hamidreza Farmanbar

IPC: H04L12/803 ,  H04L12/707 ,  H04W28/02 ,  H04L12/851

CPC classification number: H04L47/125 ,  H04L45/24 ,  H04W28/0284

Abstract: In one embodiment, a method for traffic splitting includes detecting congestion in a traffic flow and splitting the traffic flow into a first sub-flow and a second sub-flow after detecting congestion in the traffic flow. The method also includes transmitting, by a first node to a destination node, the first sub-flow along a first path and transmitting, by the first node to a second node, the second sub-flow along a second path, where the second sub-flow is destined for the destination node.

Abstract translation: 在一个实施例中，一种用于流量分解的方法包括检测业务流中的拥塞，并且在检测到业务流中的拥塞之后将业务流分解成第一子流和第二子流。 该方法还包括由第一节点向目的地节点发送沿着第一路径的第一子流，并且由第一节点将第二子流沿着第二路径发送到第二节点，其中第二子流 -flow目的地是目的地节点。

公开(公告)号：US20150119050A1

公开(公告)日：2015-04-30

申请号：US14524888

申请日：2014-10-27

Applicant: Futurewei Technologies, Inc.

Inventor： Wei-Cheng Liao ,  Mingyi Hong ,  Zhi-Quan Luo ,  Hamidreza Farmanbar ,  Xu Li ,  Hang Zhang

IPC: H04W40/02 ,  H04W52/04

CPC classification number: H04W52/04 ,  H04W40/08 ,  H04W40/10 ,  H04W52/265 ,  Y02D70/324 ,  Y02D70/326

Abstract: An embodiment of a method for network resource management comprises performing joint traffic engineering and physical layer power control on a controller and using a routing and power control optimization process that comprises a combined alternating direction method of multipliers (ADMM) process and a power management process. First and second commands are generated at the controller according to optimization parameters determined by the routing and power control optimization process. The first and second commands are transmitted from the controller to nodes connected to the controller. The first commands are for modifying transmission parameters for links between nodes and the second commands are for modifying transmission parameters for connections between nodes and user devices.

Abstract translation: 网络资源管理方法的一个实施例包括在控制器上执行联合流量工程和物理层功率控制，并且使用包括乘法器（ADMM）过程和功率管理过程的组合交替方向方法的路由和功率控制优化过程。 根据路由和功率控制优化过程确定的优化参数，在控制器上生成第一和第二命令。 第一和第二命令从控制器发送到连接到控制器的节点。 第一个命令用于修改节点之间链路的传输参数，第二个命令用于修改节点和用户设备之间连接的传输参数。

公开(公告)号：US20150188837A1

公开(公告)日：2015-07-02

申请号：US14141077

申请日：2013-12-26

Applicant: FutureWei Technologies, Inc.

Inventor： Petar Djukic ,  Xu Li ,  Hang Zhang

IPC: H04L12/911 ,  H04L29/08

CPC classification number: H04L47/785 ,  H04L41/044 ,  H04L41/0896 ,  H04L43/04 ,  H04L43/06 ,  H04L43/0817 ,  H04L45/04 ,  H04L45/64 ,  H04L47/125 ,  H04L47/70 ,  H04L47/724 ,  H04L47/782 ,  H04L47/805 ,  H04L47/827 ,  H04L67/02

Abstract: Hierarchical Software Defined Network (SDN) architectures can be used to reduce complexity of traffic engineering in large or divers network environments. In hierarchical SDN architectures, a network is sub-divided into multiple regions, and each region is assigned to a different SDN controller. Network status information is collected and consolidated at a regional level, and fed upstream through the SDN control plane until it reaches a root SDN controller. The root-SDN controller computes cost-based parameters, which are distributed to regional SDN controllers for local provisioning. The cost-based parameters can include Lagrangian variables estimations or other parameters that constrain regional traffic engineering optimization in a manner that advances global traffic engineering objectives.

Abstract translation: 分层软件定义网络（SDN）架构可用于降低大型或潜水员网络环境中流量工程的复杂性。 在分层SDN架构中，将网络细分为多个区域，并将每个区域分配给不同的SDN控制器。 网络状态信息在区域一级收集和合并，并通过SDN控制平面向上游馈送，直到达到根SDN控制器。 根SDN控制器计算基于成本的参数，分配给区域SDN控制器进行本地配置。 基于成本的参数可以包括拉格朗日变量估计或以推进全球交通工程目标的方式约束区域交通工程优化的其他参数。

公开(公告)号：US20140362730A1

公开(公告)日：2014-12-11

申请号：US14297269

申请日：2014-06-05

Applicant: Futurewei Technologies, Inc.

Inventor： Hang Zhang ,  Aaron Callard ,  Gamini Senarath ,  Petar Djukic ,  Alex Stephenne ,  Ngoc-Dung Dao ,  Hamidreza Farmanbar ,  Xu Li ,  Kaveh Shafiee ,  Philippe Leroux

IPC: H04W40/24

CPC classification number: H04W40/246 ,  H04L45/64

Abstract: An embodiment method includes receiving service parameters for a service and locating logical network nodes for a service-specific data plane logical topology at respective physical network nodes among a plurality of physical network nodes according to the service parameters, a service-level topology, and a physical infrastructure of the plurality of physical network nodes. The method also includes defining connections among the logical network nodes according to the service parameters, the service-level topology, and the physical infrastructure, and defining respective connections for a plurality of UEs to at least one of the logical network nodes according to the service parameters, the service-level topology, and the physical infrastructure. The method further includes defining respective functionalities for the logical network nodes.

Abstract translation: 一种实施方式包括接收服务的服务参数，并根据服务参数，服务级别拓扑和服务级别拓扑，在多个物理网络节点之间的相应物理网络节点处定位用于服务特定数据平面逻辑拓扑的逻辑网络节点 多个物理网络节点的物理基础设施。 该方法还包括根据服务参数，服务级拓扑和物理基础设施来定义逻辑网络节点之间的连接，并且根据服务将至少一个逻辑网络节点的多个UE定义各自的连接 参数，服务级拓扑和物理基础架构。 该方法还包括定义逻辑网络节点的相应功能。

公开(公告)号：US20140308962A1

公开(公告)日：2014-10-16

申请号：US14249181

申请日：2014-04-09

Applicant: Futurewei Technologies, Inc.

Inventor： Hang Zhang ,  Xu Li ,  Alex Stephenne

IPC: H04W36/32 ,  H04W40/24 ,  H04W8/08

CPC classification number: H04W40/246 ,  H04W40/02 ,  H04W40/20 ,  H04W48/16 ,  Y02D70/00 ,  Y02D70/142 ,  Y02D70/164 ,  Y02D70/30 ,  Y02D70/38

Abstract: Embodiments are provided for a location-based network discovery and connection establishment, which take advantage of location/positioning technology of user equipment (UE) and resolve issues above of the blind search approaches. The location-based network discovery and connection establishment schemes use UE location information and a network access MAP to speed up network discovery, and remove the need for continuous search and measurement by the UE. The schemes also reduce the search space. A wireless network access map (MAP) is provided to the UE. The UE uses the MAP information with UE current location information to reduce the search space and speed up network discovery and radio connection establishment with the network. Network operators can use this network access MAP to control the network access and manage the network load distribution. The network access MAP can be customized for each UE.

Abstract translation: 提供了用于基于位置的网络发现和连接建立的实施例，其利用用户设备（UE）的定位/定位技术并解决盲目搜索方法之上的问题。 基于位置的网络发现和连接建立方案使用UE位置信息和网络访问MAP来加速网络发现，并且消除对UE的连续搜索和测量的需要。 这些方案也减少了搜索空间。 向UE提供无线网络接入映射（MAP）。 UE使用MAP信息与UE当前位置信息来减少搜索空间，并加速与网络的网络发现和无线连接建立。 网络运营商可以使用该网络访问MAP来控制网络访问并管理网络负载分布。 可以为每个UE定制网络接入MAP。

公开(公告)号：US20140171106A1

公开(公告)日：2014-06-19

申请号：US13839830

申请日：2013-03-15

Applicant: FUTUREWEI TECHNOLOGIES, INC.

Inventor： Ho-Ting Cheng ,  Xu Li ,  Hang Zhang

IPC: H04W64/00

CPC classification number: H04W64/006 ,  G01S5/0018 ,  G01S5/021

Abstract: System and method embodiments for mobility prediction in a wireless network enable the wireless network to determine the location of a wireless device with minimal transmissions from the wireless device. In an embodiment, the method includes negotiating with a mobile device to determine a mobility prediction algorithm and a condition upon which the mobile wireless device will report the actual location of the mobile device, training the mobility prediction algorithm using prior mobile wireless device location and timestamp information, determining a predicted location of the mobile device using the mobility prediction algorithm, and setting an predicted location for the mobile device at a time as the actual location for the mobile device at the time when failing to receive a location report from the mobile wireless device, wherein the mobile device transmits actual location information after the training period only if the condition is met.

Abstract translation: 用于无线网络中的移动性预测的系统和方法实施例使得无线网络能够以无线设备的最小传输来确定无线设备的位置。 在一个实施例中，该方法包括与移动设备进行协商以确定移动性预测算法和移动无线设备将报告移动设备的实际位置的条件，使用先前的移动无线设备位置和时间戳训练移动性预测算法 信息，使用所述移动性预测算法确定所述移动设备的预测位置，以及一次将所述移动设备的预测位置设置为所述移动设备在未能从所述移动无线接收位置报告时的实际位置 装置，其中，只有在满足条件的情况下，移动装置才在训练周期之后传送实际的位置信息。

公开(公告)号：US20150215235A1

公开(公告)日：2015-07-30

申请号：US14168682

申请日：2014-01-30

Applicant: FutureWei Technologies, Inc.

Inventor： Xu Li ,  Petar Djukic ,  Hang Zhang

IPC: H04L12/915 ,  H04L12/803 ,  H04L12/911 ,  H04L12/715 ,  H04L12/913

CPC classification number: H04L47/785 ,  H04L41/044 ,  H04L41/0896 ,  H04L43/04 ,  H04L43/06 ,  H04L43/0817 ,  H04L45/04 ,  H04L45/64 ,  H04L47/125 ,  H04L47/70 ,  H04L47/724 ,  H04L47/782 ,  H04L47/805 ,  H04L47/827 ,  H04L67/02

Abstract: Constraining resource provisioning by domain controllers based on resource requirements projected for remotely-originating inter-domain traffic can improve utilization efficiency and link reliability in multi-domain software defined network (SDN) architectures. A domain controller may be required to reserve a portion of inter-domain link capacity for transporting remotely-originating traffic. This may limit the inter-domain link capacity available for transporting locally-originating traffic in a manner that ensures remotely-originating traffic flows have equitable and/or adequate access to resources of inter-domain links. Alternatively, a domain controller may be required to maintain a minimum throughput rate for remotely-originating traffic, which may cause remotely-originating traffic to be prioritized over locally-originating traffic when necessary to maintain the minimum throughput rate. Provisioning constraints can be generated in a centralized or distributed fashion.

Abstract translation: 基于远程源域间流量的资源需求，由域控制器限制资源配置可以提高多域软件定义网络（SDN）体系结构中的利用效率和链路可靠性。 可能需要域控制器来保留用于传输远程源流量的一部分域间链路容量。 这可能会限制可用于传输本地发起的流量的域间链路容量，以确保远程发起的流量对域间链路的资源具有公平和/或充分的访问。 或者，可能需要域控制器来维护用于远程发起的业务的最小吞吐率，这在必要时需要维护最小吞吐率，这可能导致远程发起的业务优先于本地发起的业务。 配置约束可以集中或分布式生成。