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    • 1. 发明申请
    • TRANSPORT OF ISOCHRONOUS AND BURSTY DATA ON A SONET RING
    • 在SONET环上运输不间断和爆炸数据
    • WO0173988A8
    • 2002-12-27
    • PCT/US0109723
    • 2001-03-27
    • CORIOLIS NETWORKS INCKOVVALI SURYA KUMARRAGHAVAN RAMJI
    • KOVVALI SURYA KUMARRAGHAVAN RAMJI
    • H04J3/00H04J3/08H04J3/16H04Q11/04
    • H04J3/1611H04J3/085H04J3/1682H04J2203/0083H04J2203/0089
    • A method and apparatus for using SONET technology to efficiently carry both data and voice traffic by Add/Drop Multiplexing of both isochronous traffic, such as voice and video, and non-isochronous traffic, such as data, in a SONET/SDH fiber-optic ring topology. A portion of a SONET/SDH frame structure (STS-1, STM-1 etc.) is shared by a number of nodes connected to an optical SONET/SDH ring (either directly or sitting behind a SONET/ADM). The inherent column structure of the SONET/SDH frame is used to define dynamic channels (flexible bandwidth channels) between the nodes. Each dynamic channel can be assigned a priority and optionally a minimum bandwidth. The channel to column mapping is varied dynamically for data traffic by a centralized bandwidth manager which serves as an arbiter for requests for bandwidth. Both isochronous traffic and best effort data traffic may be carried in an STS-1 frame thereby allowing over-subscribing and statistical multiplexing of data channels over the unassigned portion of the STS-1 frame.
    • 一种SONET技术的方法和装置,用于通过SONET / SDH光纤中的诸如语音和视频等等时业务和诸如数据的非等时业务的分插复用来有效地携带数据和话音业务。 环形拓扑。 SONET / SDH帧结构(STS-1,STM-1等)的一部分由连接到光SONET / SDH环(直接或位于SONET / ADM后面)的多个节点共享。 SONET / SDH帧的固有列结构用于定义节点之间的动态信道(灵活带宽信道)。 每个动态通道可以被分配优先级和可选的最小带宽。 通过集中带宽管理器为数据流量动态变化列映射的通道,该集中带宽管理器用作用于带宽请求的仲裁器。 同步业务和尽力而为数据业务都可以在STS-1帧中承载,从而允许通过STS-1帧的未分配部分的数据信道的超订阅和统计复用。
    • 2. 发明申请
    • TRANSPORT OF ISOCHRONOUS AND BURSTY DATA ON A SONET RING
    • SONET环上同步和突发数据的传输
    • WO0173988A9
    • 2003-11-20
    • PCT/US0109723
    • 2001-03-27
    • CORIOLIS NETWORKS INCKOVVALI SURYA KUMARRAGHAVAN RAMJI
    • KOVVALI SURYA KUMARRAGHAVAN RAMJI
    • H04J3/00H04J3/08H04J3/16H04Q11/04H04L12/56
    • H04J3/1611H04J3/085H04J3/1682H04J2203/0083H04J2203/0089
    • A method and apparatus for using SONET technology to efficiently carry both data and voice traffic by Add/Drop Multiplexing of both isochronous traffic, such as voice and video, and non-isochronous traffic, such as data, in a SONET/SDH fiber-optic ring topology. A portion of a SONET/SDH frame structure (STS-1, STM-1 etc.) is shared by a number of nodes connected to an optical SONET/SDH ring (either directly or sitting behind a SONET/ADM). The inherent column structure of the SONET/SDH frame is used to define dynamic channels (flexible bandwidth channels) between the nodes. Each dynamic channel can be assigned a priority and optionally a minimum bandwidth. The channel to column mapping is varied dynamically for data traffic by a centralized bandwidth manager which serves as an arbiter for requests for bandwidth. Both isochronous traffic and best effort data traffic may be carried in an STS-1 frame thereby allowing over-subscribing and statistical multiplexing of data channels over the unassigned portion of the STS-1 frame.
    • 一种使用SONET技术通过在SONET / SDH光纤中对诸如语音和视频的等时业务和诸如数据的非等时业务进行添加/分出复用来高效地承载数据和语音业务的方法和设备 环形拓扑。 SONET / SDH帧结构(STS-1,STM-1等)的一部分被连接到光SONET / SDH环(直接或坐在SONET / ADM之后)的多个节点共享。 SONET / SDH帧的固有列结构用于定义节点之间的动态信道(灵活带宽信道)。 每个动态信道可以分配一个优先级并可以选择一个最小带宽。 频道到列的映射对于数据流量是动态变化的,集中式带宽管理器充当带宽请求的仲裁器。 可以在STS-1帧中携带等时业务和尽力而为数据业务,从而允许在STS-1帧的未分配部分上的数据信道的过度订阅和统计复用。
    • 3. 发明申请
    • SCALEABLE TRANSPORT OF TDM CHANNELS IN A SYNCHRONOUS FRAME
    • TDM通道在同步帧中的可扩展传输
    • WO0245306A2
    • 2002-06-06
    • PCT/US0151153
    • 2001-11-02
    • CORIOLIS NETWORKS INCRAGHAVAN RAMJIKOVVALI SURYA KUMAR
    • RAGHAVAN RAMJIKOVVALI SURYA KUMAR
    • H04J3/08H04J3/16H04L12/24H04L12/56H04Q11/04H04J3/00
    • H04L43/18H04J3/085H04J3/1611H04J2203/0083H04J2203/0089H04L41/0896
    • A method and system for processing communication at a node in a communication system makes use a series of fixed-length data frames in which multiple data streams are multiplexed. Each of the data streams originates from a corresponding source of data in the communication system, and least two of the data streams originate from a same source of data. For each of the series of fixed-length frames that are processed at a node, multiple offsets within the fixed-length frame are identified, each of these offsets being associated with a different one of the sources of data. The data streams which are multiplexed in the series of fixed-length frames are then processed. For each of the data streams, in each of the series of fixed-length frames, the data stream is processed according to the offset identified for that frame that is associated with the source of that data stream. The approach is applicable to SONET communication in which multiple data streams are multiplexed in a series of synchronous payload envelopes (SPEs), and a data encoded in each SPE identifies offsets that characterize displacements, such as row offsets, in the SPE that are each associated with a different source node in the SONET network. An advantage of this approach is that pointer processing scales approximately according to the number of nodes in the system rather than to the number of channels being processed.
    • 用于在通信系统中的节点处理通信的方法和系统使用多个数据流被多路复用的一系列固定长度数据帧。 每个数据流源自通信系统中相应的数据源,并且至少两个数据流源自相同的数据源。 对于在节点处处理的一系列固定长度帧中的每一个,识别固定长度帧内的多个偏移量,这些偏移中的每一个与数据源中的不同的一个相关联。 然后处理在一系列固定长度帧中复用的数据流。 对于每个数据流,在每一系列固定长度帧中,根据与该数据流的源相关联的该帧识别的偏移来处理数据流。 该方法适用于其中多个数据流被多路复用在一系列同步有效负载包络(SPE)中的SONET通信,并且在每个SPE中编码的数据识别表示SPE中每个相关联的SPE中的位移(例如行偏移)的偏移 在SONET网络中具有不同的源节点。 这种方法的优点在于指针处理器根据系统中的节点数量而不是正在处理的信道数量大致缩放。
    • 5. 发明申请
    • SCALEABLE TRANSPORT OF TDM CHANNELS IN A SYNCHRONOUS FRAME
    • TDM通道在同步帧中的可扩展传输
    • WO0245306B1
    • 2003-11-13
    • PCT/US0151153
    • 2001-11-02
    • CORIOLIS NETWORKS INCRAGHAVAN RAMJIKOVVALI SURYA KUMAR
    • RAGHAVAN RAMJIKOVVALI SURYA KUMAR
    • H04J3/08H04J3/16H04L12/24H04L12/56H04Q11/04H04J3/06
    • H04L43/18H04J3/085H04J3/1611H04J2203/0083H04J2203/0089H04L41/0896
    • A method and system for processing communication at a node in a communication system makes use a series of fixed-length data frames in which multiple data streams are multiplexed. Each of the data streams originates from a corresponding source of data in the communication system, and least two of the data streams originate from a same source of data. For each of the series of fixed-length frames that are processed at a node, multiple offsets within the fixed-length frame are identified, each of these offsets being associated with a different one of the sources of data. The data streams which are multiplexed in the series of fixed-length frames are then processed. For each of the data streams, in each of the series of fixed-length frames, the data stream is processed according to the offset identified for that frame that is associated with the source of that data stream. The approach is applicable to SONET communication in which multiple data streams are multiplexed in a series of synchronous payload envelopes (SPEs), and a data encoded in each SPE identifies offsets that characterize displacements, such as row offsets, in the SPE that are each associated with a different source node in the SONET network. An advantage of this approach is that pointer processing scales approximately according to the number of nodes in the system rather than to the number of channels being processed.
    • 用于在通信系统中的节点处理通信的方法和系统使用多个数据流被多路复用的一系列固定长度数据帧。 每个数据流源自通信系统中相应的数据源,并且至少两个数据流源自相同的数据源。 对于在节点处处理的一系列固定长度帧中的每一个,识别固定长度帧内的多个偏移量,这些偏移中的每一个与数据源中的不同的一个相关联。 然后处理在一系列固定长度帧中复用的数据流。 对于每个数据流,在每一系列固定长度帧中,根据与该数据流的源相关联的该帧识别的偏移来处理数据流。 该方法适用于其中多个数据流被多路复用在一系列同步有效负载包络(SPE)中的SONET通信,并且在每个SPE中编码的数据识别表示SPE中每个相关联的SPE中的位移(例如行偏移)的偏移 在SONET网络中具有不同的源节点。 这种方法的优点在于指针处理器根据系统中的节点数量而不是正在处理的信道数量大致缩放。
    • 6. 发明申请
    • CONTENT PRE-FETCHING AND CDN ASSIST METHODS IN A WIRELESS MOBILE NETWORK
    • 无线移动网络中的内容预失效和CDN协助方法
    • WO2012012334A3
    • 2012-04-19
    • PCT/US2011044361
    • 2011-07-18
    • MOVIK NETWORKSKOVVALI SURYA KUMARBOYLE CHARLES
    • KOVVALI SURYA KUMARBOYLE CHARLES
    • H04L29/06G06Q50/00H04W88/18
    • H04L67/28H04L29/0881H04L29/08846H04L67/2842H04L67/2847H04W88/18H04W88/182
    • The current invention is applicable to a RAN-cache or proxy operating in a wireless mobile network that is functioning as a transparent inline device intercepting wireless mobile protocols such as UMTS, LTE, WIMAX, CDMA etc.), or a traffic off-load device connected to multiple interfaces towards the Core/Internet. The current invention identifies methods for pre-fetching content by emulating portions of a mobile client for gaining connectivity through the mobile-core network, or to use session contexts of other mobile clients in a way not to significantly effect charging and billing for the preloaded content. The pre-load decision of what to pre-load and when to pre-load may be locally derived within the RAN-cache/Proxy device, or in-coordination with a locally connected CDN (Content Delivery Network) device. Other embodiments of the current invention include the RAN-cache/Proxy providing interconnectivity from the locally connected CDN device to other CDN devices through the Mobile Core Network (SGSN/GGSN in UMTS, S-GW/P-GW in LTE etc.).
    • 本发明可应用于在无线移动网络中操作的RAN缓存或代理,该无线移动网络充当拦截诸如UMTS,LTE,WIMAX,CDMA等的无线移动协议的透明在线设备)或业务卸载设备 连接到Core / Internet的多个接口。 本发明通过模拟移动客户端的部分以通过移动核心网络获得连接来识别用于预取内容的方法,或者以不显着影响预加载内容的计费和计费的方式来使用其他移动客户端的会话上下文 。 可以在RAN缓存/代理设备内本地导出预先加载的预加载和何时预加载的预加载决定,或与本地连接的CDN(内容传送网络)设备协调。 本发明的其他实施例包括通过移动核心网(UMTS中的SGSN / GGSN,LTE等中的S-GW / P-GW)提供从本地连接的CDN设备到其他CDN设备的互连的RAN缓存/代理。
    • 7. 发明申请
    • DESTINATION LEARNING AND MOBILITY DETECTION IN TRANSIT NETWORK DEVICE IN LTE & UMTS RADIO ACCESS NETWORKS
    • LTE和UMTS无线接入网中传输网络设备中的目的地学习和移动性检测
    • WO2012040608A2
    • 2012-03-29
    • PCT/US2011053050
    • 2011-09-23
    • MOVIK NETWORKSKOVVALI SURYA KUMARVALMIKAM RAVI
    • KOVVALI SURYA KUMARVALMIKAM RAVI
    • H04L29/06H04L12/56
    • H04W76/021H04W8/082H04W8/26H04W88/182
    • A method of learning and identifying two unidirectional GTP-U tunnels corresponding to a user equipment (UE) in a device placed in a LTE network, where the device acts as a transparent proxy intercepting user plane and control plane protocols on the S1 interface, is disclosed. Methods of pairing the two unidirectional tunnels that belong to same UE, when there is no control plane information or when there is Control Plane information, but the NAS portions of the S1 Control that contain bearer IP addresses are encrypted, are disclosed. Control plane and user plane methods for associating GTP-U tunnels and the corresponding bearer plane IP addresses are identified. Additionally, methods for detecting mobility of a UE, as it moves from the coverage area of one E-NodeB to another, are disclosed. Methods for constructing an eNodeB topology map are also disclosed.
    • 一种学习和识别对应于放置在LTE网络中的设备中的用户设备(UE)的两个单向GTP-U隧道的方法,其中所述设备用作在S1接口上截取用户平面和控制平面协议的透明代理, 披露。 公开了当属于同一UE的两个单向隧道在不存在控制平面信息或存在控制平面信息时,但是包含承载IP地址的S1控制的NAS部分被加密时的配对方法。 标识用于关联GTP-U隧道和相应承载平面IP地址的控制平面和用户平面方法。 另外,公开了用于检测UE从一个E-NodeB的覆盖区域移动到另一个E-NodeB的移动性的方法。 还公开了用于构建eNodeB拓扑图的方法。