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11. 发明授权

US09838286B2 Passive performance measurement for inline service chaining 有权
公开(公告)号：US09838286B2
公开(公告)日：2017-12-05
申请号：US14549373
申请日：2014-11-20
申请人： Telefonaktiebolaget L M Ericsson (publ)
发明人： Ying Zhang , Joel Halpern
IPC分类号： H04L12/26 , H04L12/801 , H04B1/00 , H04B17/00
CPC分类号： H04L43/0829 , H04B1/0003 , H04B17/00 , H04L43/062 , H04L43/0835 , H04L43/0858 , H04L47/12
摘要： A method is implemented by a computing device to monitor the performance of packet processing in an in-line service chain. The computing device is in communication with a plurality of network devices forming a software defined network (SDN) and the in-line service chain. The SDN includes a controller implemented by the computing device to configure the plurality of network devices. The plurality of devices includes a set of switches monitoring packets traversing the in-line service chain including at least one service.

12. 发明授权

US09736263B2 Temporal caching for ICN 有权
公开(公告)号：US09736263B2
公开(公告)日：2017-08-15
申请号：US14623384
申请日：2015-02-16
申请人： Telefonaktiebolaget L M Ericsson (publ)
发明人： Yvan Royon , Hari Rangarajan
IPC分类号： H04L29/08
CPC分类号： H04L67/2847 , H04L67/10 , H04L67/1095 , H04L67/327
摘要： A method provides temporal caching in a content centric networking (CCN) network. The temporal caching is implemented by a CCN node. The method fetches and caches a group of content objects having a temporal relationship. The method includes selecting a first CCN interest packet including a first CCN name of a first content object from the group of content objects, adding an entry for the first CCN name to a correlation table, and selecting at least a second CCN interest packet including a second CCN name of a second content object from the group of content objects. The method further includes correlating the second CCN name with the first CCN name by determining a request sequence for the first content object and the second content object, and updating the entry to correlate the first CCN name with the second CCN name.

13. 发明授权

US09736061B2 Enhancements to PIM fast re-route with upstream activation packets 有权
公开(公告)号：US09736061B2
公开(公告)日：2017-08-15
申请号：US14543528
申请日：2014-11-17
申请人： Telefonaktiebolaget L M Ericsson (publ)
发明人： András Császár , Evgeny Tantsura , Gábor Sándor Enyedi
IPC分类号： H04L12/703 , H04L12/761 , H04L12/707 , H04L12/18
CPC分类号： H04L45/28 , H04L12/18 , H04L45/16 , H04L45/22
摘要： A method performed by a network node. The method includes detecting a loss of connection at an incoming interface to an upstream neighbor of the network node, where the network node is in a multicast communication network that includes a multicast tree to provide connectivity from a common source node to one or more multicast recipient nodes. The multicast communication network further includes a set of one or more secondary paths to provide redundancy to the multicast tree, and sending a notification packet downstream toward the one or more multicast recipient nodes when the network node cannot re-route the multicast data traffic to allow the multicast data traffic to be received by the multicast recipient nodes, wherein the notification packet causes one or more downstream nodes to switch multicast reception to one or more of the set of one or more secondary paths to re-route the multicast data traffic.

14. 发明授权

US09697131B2 Variable caching structure for managing physical storage 有权
公开(公告)号：US09697131B2
公开(公告)日：2017-07-04
申请号：US13359939
申请日：2012-01-27
申请人： Mohammad Abdallah
发明人： Mohammad Abdallah
IPC分类号： G06F12/08 , G06F12/0875 , G06F12/0864 , G06F9/30 , G06F9/38 , G06F9/455 , G06F12/0891
CPC分类号： G06F12/0875 , G06F9/30174 , G06F9/3808 , G06F9/3842 , G06F9/3863 , G06F9/4552 , G06F12/0864 , G06F12/0891 , G06F2212/151 , G06F2212/452
摘要： A method for managing a variable caching structure for managing storage for a processor. The method includes using a multi-way tag array to store a plurality of pointers for a corresponding plurality of different size groups of physical storage of a storage stack, wherein the pointers indicate guest addresses that have corresponding converted native addresses stored within the storage stack, and allocating a group of storage blocks of the storage stack, wherein the size of the allocation is in accordance with a corresponding size of one of the plurality of different size groups. Upon a hit on the tag, a corresponding entry is accessed to retrieve a pointer that indicates where in the storage stack a corresponding group of storage blocks of converted native instructions reside. The converted native instructions are then fetched from the storage stack for execution.

15. 发明授权

US09619382B2 Systems and methods for read request bypassing a last level cache that interfaces with an external fabric 有权
公开(公告)号：US09619382B2
公开(公告)日：2017-04-11
申请号：US13970311
申请日：2013-08-19
申请人： Intel Corporation
发明人： Karthikeyan Avudaiyappan
IPC分类号： G06F12/00 , G06F13/00 , G06F13/28 , G06F12/0811 , G06F12/0897 , G06F9/00
CPC分类号： G06F12/0888 , G06F9/00 , G06F12/0811 , G06F12/0897 , G06F2212/1016
摘要： Methods for read request bypassing a last level cache which interfaces with an external fabric are disclosed. A method includes identifying a read request for a read transaction, generating a phantom read transaction identifier for the read transaction and forwarding the read transaction with the phantom read transaction identifier beyond a last level cache before detection of a hit or miss with respect to the read transaction. The phantom read transaction identifier acts as a pointer to a real read transaction identifier.

16. 发明授权

US09577874B2 Method and apparatus for IP/MPLS fast reroute 有权
标题翻译：用于IP / MPLS快速重路由的方法和装置
公开(公告)号：US09577874B2
公开(公告)日：2017-02-21
申请号：US13902583
申请日：2013-05-24
申请人： Telefonaktiebolaget L M Ericsson (publ)
发明人： Pramodh D'Souza , Lars Ernström , Reda Haddad , Evgeny Tantsura , Jakob Heitz
IPC分类号： H04L12/24 , H04L12/703 , H04L12/707 , H04L12/723 , H04L12/715
CPC分类号： H04L41/0668 , H04L45/22 , H04L45/28 , H04L45/50 , H04L45/64
摘要： A method is disclosed that is implemented by a router for executing an internet protocol fast reroute process in response to a network event invalidating a current route to a destination node without degrading forwarding plane functionality or performance caused by indirect forwarding information base lookups. The method comprises a set steps including receiving or generating the network event by the router, the network event associated with a network event identifier and looking up the network event identifier in an event table to determine routes that are affected by the network event. The method further includes determining whether a route with a fast reroute forwarding object is affected by the network event in the routing information base and overwriting a current next hop forwarding object using a backup next hop forwarding object in the forwarding information base.
摘要翻译：公开了一种由路由器实现的方法，用于响应于网络事件使目前路由到达目的节点无效，而不会降低由间接转发信息库查找引起的转发平面功能或性能，执行因特网协议快速重路由进程。该方法包括一组设置步骤，包括路由器接收或生成网络事件，与网络事件标识符相关联的网络事件，并在事件表中查找网络事件标识符，以确定受网络事件影响的路由。该方法还包括确定具有快速重路由转发对象的路由是否受路由信息库中的网络事件的影响，并使用转发信息库中的备份下一跳转发对象来覆盖当前的下一跳转发对象。

17. 发明授权

US09571257B2 System and method for wireless channel assessment 有权
标题翻译：无线信道评估的系统和方法
公开(公告)号：US09571257B2
公开(公告)日：2017-02-14
申请号：US14824043
申请日：2015-08-11
申请人： NEWRACOM, Inc.
发明人： Young Hoon Kwon
IPC分类号： H04W4/00 , H04L5/00 , H04W74/08 , H04L12/26 , H04W84/12
CPC分类号： H04L5/006 , H04L43/16 , H04W74/0808 , H04W84/12
摘要： A method is implemented by a network device to improve efficiency for clear channel assessment (CCA) by tracking a set of neighboring stations in a wireless local area network (WLAN). The method includes detecting, by the first network device, a wireless signal from a second network device on a wireless medium. A target network device of the wireless signal detects whether the target network device is a neighbor of the first network device. The wireless medium is determined to be busy in response to determining that the target network device is a neighbor of the first network device.
摘要翻译：网络设备实现一种方法，以通过跟踪无线局域网（WLAN）中的一组相邻站来提高清除信道评估（CCA）的效率。该方法包括由第一网络设备从无线介质上的第二网络设备检测无线信号。无线信号的目标网络设备检测目标网络设备是否是第一网络设备的邻居。响应于确定目标网络设备是第一网络设备的邻居，无线介质被确定为忙。

18. 发明授权

US09537607B2 Communications network using adaptable FEC 有权
标题翻译：通信网络采用适应性FEC
公开(公告)号：US09537607B2
公开(公告)日：2017-01-03
申请号：US14981743
申请日：2015-12-28
申请人： Telefonaktiebolaget L M Ericsson (publ)
发明人： Sergio Lanzone , Ghani Abdul Muttalib Abbas , Orazio Toscano
IPC分类号： H03M13/00 , H04L1/00 , H04L1/20 , H04J14/02 , H04B10/079
CPC分类号： H04L1/0041 , H04B10/07953 , H04J14/0212 , H04J14/0221 , H04J14/0273 , H04J2203/006 , H04J2203/0089 , H04L1/0009 , H04L1/0026 , H04L1/0045 , H04L1/203
摘要： A node for a communications network has a converter for digitizing at a receiver clock rate a received optical signal received over an optical link from an optical transmitter at a source node, a framer for detecting frames and a forward error correction part for correcting errors in the payload of the frame. An error rate in the received payload part is monitored and a processor sends, according to the monitored error rate, a request to the optical transmitter to adapt a length of the transmitted forward error correction part and to adapt a clock rate of the transmission of the frame if FEC length is reduced or FEC is disabled. This can enable power saving, when less FEC information is being sent.
摘要翻译：用于通信网络的节点具有转换器，用于以接收机时钟速率对来自源节点处的光发送器的光链路接收的光信号进行数字化，用于检测帧的成帧器和用于校正错误的前向纠错部分帧的有效载荷。监视接收到的有效载荷部分中的错误率，并且处理器根据所监视的错误率向光发射机发送一个适配所发送的前向纠错部分的长度的请求，并且调整发送的前向纠错部分的时钟速率如果FEC长度减少或FEC被禁用，则为帧。当发送较少的FEC信息时，可以实现省电。

19. 发明授权

US09531605B2 Determination of radiation beam pattern 有权
标题翻译：辐射束图案的确定
公开(公告)号：US09531605B2
公开(公告)日：2016-12-27
申请号：US14420270
申请日：2015-02-02
申请人： Telefonaktiebolaget L M Ericsson (publ)
发明人： Pradeepa Ramachandra , Fredrik Athley , Harald Kallin , Panagiota Lioliou , Andreas Nilsson , Kristina Zetterberg
IPC分类号： H04L12/26 , H04L5/00 , H04W36/00 , G01R29/10 , H04B7/00 , H04B17/327
CPC分类号： H04L43/062 , G01R29/10 , H04B7/00 , H04B7/063 , H04B7/0695 , H04B17/327 , H04L5/0007 , H04L5/006 , H04W36/0088
摘要： There is provided a method for determining a radiation beam pattern. The method is performed by a network node. The method comprises transmitting probe signals, the probe signals being orthogonal to cell-specific reference signals (CRS) transmitted by the network node. The method comprises receiving responses to the probe signals from wireless devices, wherein each response comprises a measurement report based on reception of the transmitted probe signals at each wireless device. The method comprises determining a radiation beam pattern based on the received measurement reports.
摘要翻译：提供了一种用于确定辐射束图案的方法。该方法由网络节点执行。该方法包括发送探测信号，探测信号与由网络节点发送的小区特定参考信号（CRS）正交。该方法包括从无线设备接收对探测信号的响应，其中每个响应包括基于在每个无线设备处的发送的探测信号的接收的测量报告。该方法包括基于所接收的测量报告来确定辐射束图案。

20. 发明授权

US09521549B2 WiFi fixed wireless personal services 有权
标题翻译： WiFi固定无线个人服务
公开(公告)号：US09521549B2
公开(公告)日：2016-12-13
申请号：US14130266
申请日：2012-05-25
申请人： Anders Lundstrom
发明人： Anders Lundstrom
IPC分类号： H04W12/06 , H04W88/16 , H04W8/26 , H04L29/06
CPC分类号： H04W8/26 , H04L61/2015 , H04L63/0892 , H04W12/06 , H04W88/08 , H04W88/16
摘要： A method of providing access for wireless terminals to a packet core network. The method comprises attaching an access point to said packet core network via a cellular radio access network, defining a subnet associated with an Internet Protocol (IP) address space, and configuring said access point as a router of the subnet. Then, for each wireless terminal that requires access to said packet core network via said access point, the following operations are performed: a) authenticating and authorizing the wireless terminal to the packet core network via the access point, and b) exchanging signaling between the wireless terminal and the packet core network via the access point in order to allocate to the wireless terminal an IP address from said IP address space.
摘要翻译：一种向分组核心网提供无线终端接入的方法。该方法包括经由蜂窝无线电接入网络将接入点附接到所述分组核心网络，定义与因特网协议（IP）地址空间相关联的子网，以及将所述接入点配置为子网路由器。然后，对于需要经由所述接入点访问所述分组核心网络的每个无线终端，执行以下操作：a）经由接入点认证和授权无线终端到分组核心网络，以及b）在所述分组核心网络之间交换信令无线终端和分组核心网络，以便从无线终端向所述IP地址空间分配IP地址。

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