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    • 5. 发明授权
    • Method and apparatus for improving LTE enhanced packet core architecture using openflow network controller
    • 使用开放流网络控制器改进LTE增强分组核心架构的方法和装置
    • US09173158B2
    • 2015-10-27
    • US13791539
    • 2013-03-08
    • Tellabs Operations, Inc.
    • Subir Varma
    • H04W40/36H04W92/02
    • H04W40/36H04W92/02
    • A communication network configured to substitute serving gateway (“SGW”), packet data network gateway (“PGW”), and mobility management entity (“MME”) with an OpenFlow network controller (“OFNC”) for packets routing between mobile devices and the Internet is disclosed. The network includes a cellular base station, a packet data network (“PDN”), and OFNC. The cellular base station provides wireless communication for user equipments (“UEs”). The PDN is able to route packet flows to their destination(s). The routing controller or OFNC manages a cluster of routers including at least one edge router via OpenFlow protocol. The OFNC, in one embodiment, establishes a routing path between the cellular base station and the PDN for an authenticated UE via a group of routers based on information obtained from an authenticating server and a charging system.
    • 通信网络,被配置为用OpenFlow网络控制器(“OFNC”)代替服务网关(“SGW”),分组数据网络网关(“PGW”)和移动性管理实体(“MME”),用于移动设备之间的分组路由 互联网被披露。 网络包括蜂窝基站,分组数据网络(“PDN”)和OFNC。 蜂窝基站为用户设备(“UE”)提供无线通信。 PDN能够将数据包流路由到其目的地。 路由控制器或OFNC通过OpenFlow协议管理至少一个边缘路由器的路由器集群。 OFNC在一个实施例中,基于从认证服务器和计费系统获得的信息,经由一组路由器在经认证的UE之间的蜂窝基站和PDN之间建立路由路径。
    • 6. 发明授权
    • Method and apparatus for offloading packet traffic from LTE network to WLAN using DPI
    • 使用DPI将分组流量从LTE网络卸载到WLAN的方法和装置
    • US09113400B2
    • 2015-08-18
    • US13791271
    • 2013-03-08
    • Tellabs Operations, Inc.
    • Subir Varma
    • H04W48/16
    • H04W48/16H04W28/08
    • A mobile network configuration is able to offload packet flows based on identification (“ID”) rules to a wireless network using a deep packet inspection (“DPI”) function. After activating DPI function located in a packet data network gateway (“PDN-GW”), every packet flow passing through the PDN-GW is monitored, detected, and analyzed based on a set of predefined ID rules. Upon identifying a packet flow for a predefined network application, the packet flow is offloaded from a long term evolution (“LTE”) network to a wireless local area network (“WLAN”) or Wi-Fi network. To reduce traffic loading on the LTE network, the PDN-GW sends binding updates containing offloading information associated with the packet flow to user equipment (“UE”) for offloading implementation.
    • 移动网络配置能够使用深度分组检测(“DPI”)功能将基于标识(“ID”)规则的分组流卸载到无线网络。 在激活位于分组数据网络网关(“PDN-GW”)中的DPI功能之后,基于一组预定义的ID规则监控,检测和分析通过PDN-GW的每个分组流。 在识别用于预定义网络应用的分组流时,分组流从长期演进(“LTE”)网络被卸载到无线局域网(“WLAN”)或Wi-Fi网络。 为了减少LTE网络上的流量负载,PDN-GW向用户设备(“UE”)发送包含与分组流相关联的卸载信息的绑定更新以用于卸载实现。
    • 7. 发明授权
    • Method and apparatus for media distribution using VPLS in a ring topology
    • 在环形拓扑中使用VPLS进行媒体分发的方法和装置
    • US09083551B2
    • 2015-07-14
    • US11413136
    • 2006-04-27
    • Sanjay KhannaRavi MedikondaGranville D. Dillon
    • Sanjay KhannaRavi MedikondaGranville D. Dillon
    • H04L12/723H04L29/08H04L29/14H04L12/42H04L12/707H04L12/703
    • H04L12/42H04L45/22H04L45/28H04L45/50H04L67/1095H04L69/40
    • A method or corresponding apparatus is employed for distributing media on a ring network. Multiple nodes and communications links are configured to distribute media in the ring network. Distribution of the media is disabled on a communications link between a selected pair of adjacent nodes in the ring network in a manner maintaining communications between the selected pair of adjacent nodes other than for distribution of the media. This configuration results in a “horseshoe” topology of the ring network with respect to the media, where distribution of the media on the ring network occurs in one or two downstream directions from head-end ingress node(s) on the ring network. Virtual Private LAN Service (VPLS) may be employed to transport the media. In an event of a link or node failure, the disabled link is enabled, allowing for continued distribution of the media with network recovery in a timeframe typically unobservable by an end user.
    • 采用一种方法或相应的装置来在环网上分发媒体。 多个节点和通信链路被配置为在环网中分发媒体。 在环形网络中所选择的一对相邻节点之间的通信链路上,以保持所选择的一对相邻节点之间的通信的方式禁止媒体的分发,而不是用于分发媒体。 该配置导致环网相对于媒体的“马掌”拓扑,其中环网上媒体的分布发生在环网上的头端入口节点的一个或两个下游方向上。 可以使用虚拟专用LAN服务(VPLS)来传送媒体。 在链路或节点故障的情况下,禁用的链路被启用,允许在通常不被最终用户观察到的时间范围内通过网络恢复来继续分发媒体。
    • 8. 发明申请
    • Method and Apparatus for Providing Network Interface Using Optical Network Terminal (
    • 使用光网络终端(“ONT”)插头提供网络接口的方法和装置
    • US20150131993A1
    • 2015-05-14
    • US14078361
    • 2013-11-12
    • Craig Lawrence Lutgen
    • Craig Lawrence Lutgen
    • H04B10/2575H04B10/516H04B10/27
    • H04B10/272G02B6/00G02B6/4284G02B6/4292
    • A communications network, in one embodiment, includes a passive optical network (“PON”) network, user equipment (“UE”), and optical network terminal (“ONT”) plug to facilitate data transfer via an optical network. The PON network containing at least one fiber splitter and one optical line terminal (“OLT”) is capable of transmitting optical data. The UE having a high-speed electrical (“HSE”) port is able to process information based on electrical signals received from the HSE port. The ONT plug, in one embodiment, includes a modular electrical connector, a signal converter, and an optical and power hybrid (“OPH”) interface. The modular electrical connector contains at least eight (8) electrical contacts with eight (8) positions and can be inserted into the HSE port. The signal converter is used to convert optical signals received from the optical interface to electrical signals.
    • 在一个实施例中,通信网络包括无源光网络(“PON”)网络,用户设备(“UE”)和光网络终端(“ONT”)插头,以便于经由光网络的数据传输。 包含至少一个光纤分离器和一个光线路终端(“OLT”)的PON网络能够发送光学数据。 具有高速电气(“HSE”)端口的UE能够基于从HSE端口接收的电信号来处理信息。 在一个实施例中,ONT插头包括模块化电连接器,信号转换器以及光和功率混合(“OPH”)接口。 模块化电气连接器至少包含八(8)个电触点,具有八(8)个位置,并可插入HSE端口。 信号转换器用于将从光接口接收的光信号转换为电信号。
    • 10. 发明授权
    • Reconfigurable optical add/drop multiplexer and procedure for outputting optical signals from such multiplexer
    • 可重配置的光分插复用器和从这种多路复用器输出光信号的程序
    • US08965220B2
    • 2015-02-24
    • US12044322
    • 2008-03-07
    • Julia Y. LarikovaRichard C. YounceMark E. Boduch
    • Julia Y. LarikovaRichard C. YounceMark E. Boduch
    • H04J14/00H04J14/02
    • H04J14/0213H04J14/0205H04J14/0206H04J14/0209H04J14/0212H04J14/0217H04J14/0219H04J14/0221
    • A reconfigurable optical add drop multiplexer (ROADM) includes local interfaces at which optical signals of different wavelengths are locally input into the ROADM, and a network interface configured to connect the ROADM to a network from which multiplexed optical signals of different wavelengths are transmitted to the network. In a first configuration, the ROADM is configured to transmit from the network interface to the network multiplexed signals of different wavelengths having a first minimum frequency difference. In a second configuration, the ROADM is configured to transmit from the network interface to the network multiplexed signals of different wavelengths having a second minimum frequency difference. The second minimum frequency difference is greater than the first minimum frequency difference. This arrangement reduces the power of four wave mixing cross products produced when optical signals of three wavelengths are multiplexed and transmitted from the ROADM to NZDSF or DSF fiber types.
    • 可重构光分插复用器(ROADM)包括本地接口,不同波长的光信号被本地输入到ROADM中,以及网络接口,被配置为将ROADM连接到网络,从该网络将不同波长的复用光信号传输到 网络。 在第一配置中,ROADM被配置为从网络接口向具有第一最小频率差的不同波长的网络复用信号进行发送。 在第二配置中,ROADM被配置为从网络接口向具有第二最小频率差的不同波长的网络复用信号进行发送。 第二最小频率差大于第一最小频率差。 这种布置降低了由三路波长的光信号从ROADM复用到NZDSF或DSF光纤类型时产生的四个波混合交叉产品的功率。