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1. 发明公开

EP2213023A2 COMMUNICATION NETWORK WITH SKEW COMPENSATION 审中-公开
标题翻译：通信网络与偏移补偿
公开(公告)号：EP2213023A2
公开(公告)日：2010-08-04
申请号：EP08837936.7
申请日：2008-10-10
申请人： Infinera Corporation , Perkins, Drew , Welch, David F. , Chiang, Ting-Kuang , Sprague, Edward E. , Kandappan, Parthiban , Grubb, Stephen G. , Paranjape, Prasad
发明人： PERKINS, Drew , WELCH, David, F. , CHIANG, Ting-Kuang , SPRAGUE, Edward, E. , KANDAPPAN, Parthiban , GRUBB, Stephen, G. , PARANJAPE, Prasad
IPC分类号： H04B10/18
CPC分类号： H04B10/27 , H04J14/02
摘要： Embodiments of the present invention compensate for skew across a wavelength division multiplexed network. The network is a wavelength division multiplexed optical transport network. The skew compensation can be performed electrically or optically. It can be performed on the transmission side of the network, the receiver side of the network or at any intermediary node on the network.

2. 发明申请

WO2010002913A1 COMMUNICATION NETWORK WITH NODE BYPASSED CO-ROUTED MULTI-CHANNEL TRAFFIC 审中-公开
标题翻译：具有节点旁路多路通信通信的通信网络
公开(公告)号：WO2010002913A1
公开(公告)日：2010-01-07
申请号：PCT/US2009/049290
申请日：2009-06-30
申请人： INFINERA CORPORATION , SPRAGUE, Edward, E. , KANDAPPAN, Parthi , GRUBB, Stephen , PARANJAPE, Prasad
发明人： SPRAGUE, Edward, E. , KANDAPPAN, Parthi , GRUBB, Stephen , PARANJAPE, Prasad
IPC分类号： H04J14/02 , H04J3/06 , H04L25/14
CPC分类号： H04J14/0241 , H04J3/0629 , H04J14/0257 , H04J14/0258 , H04J14/0267 , H04J14/0269 , H04J14/0275 , H04J14/0279 , H04J14/0284 , H04L25/14
摘要： Embodiments of the present invention route a wavelength division multiplexed signal across multiple communication paths using skew characteristics of at least some of the communication paths. The network is a wavelength division multiplexed optical transport network. The plurality of communication paths involves different signal and path attributes such as a plurality of carrier wavelengths, optical carrier groups, physical communication paths (different nodes, different fibers along a same path, or any combination of the foregoing), or any other differentiating factors between two paths.
摘要翻译：本发明的实施例使用至少一些通信路径的偏斜特性来跨越多个通信路径来路由波分复用信号。该网络是波分复用光传输网络。多个通信路径涉及不同的信号和路径属性，例如多个载波波长，光载波组，物理通信路径（不同节点，沿着相同路径的不同光纤，或前述的任何组合）或任何其它微分因素两条路径之间。

3. 发明申请

WO2009049256A3 COMMUNICATION NETWORK WITH SKEW COMPENSATION 审中-公开
标题翻译：通信网络与SkEW补偿
公开(公告)号：WO2009049256A3
公开(公告)日：2009-06-04
申请号：PCT/US2008079645
申请日：2008-10-10
申请人： INFINERA CORP , PERKINS DREW , WELCH DAVID F , CHIANG TING-KUANG , SPRAGUE EDWARD E , KANDAPPAN PARTHIBAN , GRUBB STEPHEN G , PARANJAPE PRASAD
发明人： PERKINS DREW , WELCH DAVID F , CHIANG TING-KUANG , SPRAGUE EDWARD E , KANDAPPAN PARTHIBAN , GRUBB STEPHEN G , PARANJAPE PRASAD
IPC分类号： H04J14/02 , H04B10/20
CPC分类号： H04B10/27 , H04J14/02
摘要： Embodiments of the present invention compensate for skew across a wavelength division multiplexed network. The network is a wavelength division multiplexed optical transport network. The skew compensation can be performed electrically or optically. It can be performed on the transmission side of the network, the receiver side of the network or at any intermediary node on the network.
摘要翻译：本发明的实施例补偿波分复用网络上的偏斜。该网络是波分复用光传输网络。偏斜补偿可以电或光学地执行。它可以在网络的发送侧，网络的接收机侧或网络上的任何中间节点上执行。

4. 发明申请

WO2009049256A2 COMMUNICATION NETWORK WITH SKEW COMPENSATION 审中-公开
标题翻译：具有偏差补偿的通信网络
公开(公告)号：WO2009049256A2
公开(公告)日：2009-04-16
申请号：PCT/US2008/079645
申请日：2008-10-10
申请人： INFINERA CORPORATION , PERKINS, Drew , WELCH, David, F. , CHIANG, Ting-Kuang , SPRAGUE, Edward, E. , KANDAPPAN, Parthiban , GRUBB, Stephen, G. , PARANJAPE, Prasad
发明人： PERKINS, Drew , WELCH, David, F. , CHIANG, Ting-Kuang , SPRAGUE, Edward, E. , KANDAPPAN, Parthiban , GRUBB, Stephen, G. , PARANJAPE, Prasad
IPC分类号： H04B10/18
CPC分类号： H04B10/27 , H04J14/02
摘要： Embodiments of the present invention compensate for skew across a wavelength division multiplexed network. The network is a wavelength division multiplexed optical transport network. The skew compensation can be performed electrically or optically. It can be performed on the transmission side of the network, the receiver side of the network or at any intermediary node on the network.
摘要翻译：本发明的实施例补偿波分复用网络中的偏斜。该网络是波分复用光传输网络。偏斜补偿可以电子或光学方式进行。它可以在网络的传输端，网络的接收端或网络中的任何中间节点上执行。

5. 发明申请

WO2021072409A1 NETWORK SWITCHES SYSTEMS FOR OPTICAL COMMUNICATIONS NETWORKS 审中-公开
公开(公告)号：WO2021072409A1
公开(公告)日：2021-04-15
申请号：PCT/US2020/055434
申请日：2020-10-13
申请人： VEGURU, Tulasi , WELCH, David F. , PLANTARE, Mats , PARANJAPE, Prasad , CHIANG, Ting-Kuang , ELMER, Gus
发明人： VEGURU, Tulasi , WELCH, David F. , PLANTARE, Mats , PARANJAPE, Prasad , CHIANG, Ting-Kuang , ELMER, Gus
IPC分类号： H04J14/02 , H04J14/06
摘要： Optical subcarriers may be employed to transmit data in a point-to-multi-point network whereby a hub node including a network switch receives such data from a client and transmits information indicative of such data to multiple leaf or network nodes, where data intended for such leaf node is output. Often the rate at which data is supplied to the hub node is different than the rate at which information indicative of the data is transmitted. Moreover, the client data may have a format that is different than that associated with the transmitted information indicative of the client data. Consistent with the present disclosure, client data is inverse multiplexed to lower data rate streams and then multiplexed to a plurality of inputs, each of which corresponding to a respective optical subcarrier. Information indicative of the data may be allocated to multiple subcarriers, if the a single carrier lacks sufficient capacity or bandwidth to meet the bandwidth requirements of the leaf node. Buffer circuits may also be employed to "shape" or delay the outputs or flows of the multiplexer so that data is fed, for example, to a transmit portion of chip 200b of the network switch at a uniform rate rather than in non-uniform data bursts, which, under certain circumstances, could exceed the capacity of such transmit portion. In a further example, leaf nodes include circuitry for monitoring the amount of received data, and, if such received exceeds a certain threshold, a request is sent from the leaf node to the hub to transmit data at a rate equal to or substantially equal to the received data rate. As a result, symmetric data flows may be achieved whereby the leaf nodes transmit and receive data at the same or substantially the same rate.

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