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1.发明申请MECHANISM FOR TRAFFIC PRIVACY IN RECONFIGURABLE ADD/DROP MULTIPLEXER BASED SUBMARINE NETWORKS 有权可重新配置的基于多路复用器的子网络中的交通隐私机制公开(公告)号：US20160028502A1
公开(公告)日：2016-01-28
申请号：US14808094
申请日：2015-07-24
Applicant: NEC Laboratories America, Inc. , NEC Corporation
Inventor： Eduardo F. Mateo Rodriguez , Philip N. Ji , Ryuji Aida
CPC classification number: H04J14/0212 , H04B3/52 , H04J14/0204 , H04J14/021 , H04Q11/0005 , H04Q11/0062 , H04Q2011/0016
Abstract: A method for data transport that includes providing a branch terminal between a first and second trunk terminal, wherein a branching unit is present at an intersect between the first and second trunk terminal and the branch terminal. The branching unit includes a reconfigurable add/drop multiplexers (ROADM) at least one attenuator. A signal is sent from a second terminal of the first and second trunk terminal to the branding unit. The signal may include a branch traffic component trunk traffic component. The branching unit includes at least one attenuator for attenuating the trunk traffic component so that the trunk traffic component of the signal cannot be detected at the branch terminal.
Abstract translation: 一种用于数据传输的方法，包括在第一和第二干线终端之间提供分支终端，其中分支单元存在于第一和第二干线端子与分支端子之间的交叉处。 分支单元包括至少一个衰减器的可重配置分插复用器（ROADM）。 信号从第一和第二中继终端的第二终端发送到品牌单元。 信号可以包括分支业务分量中继业务分量。 分支单元包括用于衰减中继线业务分量的至少一个衰减器，使得在分支终端不能检测到信号的中继线业务分量。
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2.发明授权公开(公告)号：US09106983B2
公开(公告)日：2015-08-11
申请号：US13855384
申请日：2013-04-02
Applicant: NEC Laboratories America, Inc. , NEC Corporation
Inventor： Philip N. Ji , Ryuji Aida , Ting Wang
CPC classification number: H04Q11/0005 , H04L12/28 , H04Q11/00 , H04Q2011/0016
Abstract: Methods and systems for optical communication in a submarine network are provided. An input signal is received from a terminal at a reconfigurable branching unit (BU), and the input signal is split into at least two parts, with one part being associated with one or more trunk terminals and another part being associated with one or more branch terminals. Each of one or more spectrum channels are selected and individually switched to one of a plurality of paths using at least one wavelength selective switch (WSS), with the at least one WSS being configured to transmit the one or more spectrum channels to their respective target output port and to combine signals switched to a specific port into a wavelength division multiplexing (WDM) signal. Individual spectrum channels are filtered out using at least one wavelength blocker (WB).
Abstract translation: 提供了海底网络光通信的方法和系统。 在可重构分支单元（BU）处从终端接收输入信号，并且将输入信号分成至少两部分，其中一部分与一个或多个中继终端相关联，另一部分与一个或多个分支 终端。 使用至少一个波长选择开关（WSS）来选择一个或多个频谱信道中的每一个并且单独地切换到多个路径中的一个，其中所述至少一个WSS被配置为将一个或多个频谱信道发送到它们各自的目标 输出端口并将切换到特定端口的信号组合成波分复用（WDM）信号。 使用至少一个波长阻挡器（WB）滤除各个频谱通道。
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公开(公告)号：US20130259474A1
公开(公告)日：2013-10-03
申请号：US13855104
申请日：2013-04-02
Applicant: NEC LABORATORIES AMERICA, INC.
Inventor： Philip N. Ji , Yoshiaki Aono , Ting Wang
IPC: H04J14/02
CPC classification number: H04J14/0212 , H04J14/0204 , H04J14/0205 , H04J14/0206 , H04J14/0217
Abstract: The present principles are directed to a transponder aggregator-based optical loopback in a multi-degree colorless, directionless, contention-less, reconfigurable optical add/drop multiplexer. The multiplexer includes a reconfigurable optical add/drop multiplexer section for performing connect operations for wavelength division multiplexing signals among all degrees. The section has a plurality of subsections. Each of the subsections corresponds to a respective one of the degrees and has an optical separator at an input side and an optical combiner at an output side. The multiplexer further includes a transponder aggregator section having a split-and-select switch-based transponder aggregator. The multiplexer also includes an optical line loopback having a connection path between the optical separator at the input side and the optical combiner at the output side of at least one of the subsections.
Abstract translation: 本原理涉及在多度无色，无方向，无竞争的可重配置的光分插复用器中的基于转发器聚合器的光环回。 复用器包括可重配置的光分插复用器部分，用于在所有度之间执行波分复用信号的连接操作。 该部分有多个子部分。 每个子部分对应于相应的度数，并且在输入侧具有光学分离器，在输出侧具有光学合成器。 多路复用器还包括具有分组选择基于交换机的应答器聚合器的转发器聚合器部分。 复用器还包括具有在输入侧的光学分离器与至少一个子部分的输出侧的光学组合器之间的连接路径的光学线路环回。
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4.发明授权Provisioning time-varying traffic in software-defined flexible grid transport networks 有权在软件定义的灵活网格传输网络中提供时变流量公开(公告)号：US09571222B2
公开(公告)日：2017-02-14
申请号：US14447064
申请日：2014-07-30
Applicant: NEC Laboratories America, Inc.
Inventor： Ankitkumar N. Patel , Philip N. Ji
IPC: H04J3/16 , H04J14/02 , H04B10/27 , H04L12/725 , H04L12/729 , H04L12/721
CPC classification number: H04J14/0227 , H04B10/27 , H04J14/0257 , H04L41/0896 , H04L45/125 , H04L45/302 , H04L45/62 , H04L47/25 , H04L47/37 , H04L47/72
Abstract: A method is provided for provisioning time-varying traffic demands in an optical transport software-defined network. The method includes pre-provisioning an amount of bandwidth for best effort traffic. The method further includes iteratively applying, using a processor, an iterative simulated annealing-based traffic provisioning procedure to determine candidate bandwidths for the best effort traffic in a set of iterations. The method also includes selecting a particular candidate bandwidth that has a corresponding blocking value lower than a given blocking requirement β and that requires a minimum amount of spectrum as compared to other candidate bandwidths. The iteratively applying step includes varying the amount of bandwidth for best effort traffic in each iteration to determine the candidate bandwidths. The iteratively applying step further includes varying an amount of shared bandwidth between neighboring channels, out of the amount of bandwidth for best effort traffic, in each iteration, to further determine the candidate bandwidths.
Abstract translation: 提供了一种用于在光传输软件定义的网络中提供时变业务需求的方法。 该方法包括为最佳努力流量预先设置一定量的带宽。 该方法还包括使用处理器迭代地应用基于迭代模拟退火的流量提供过程来确定一组迭代中最佳努力流量的候选带宽。 该方法还包括选择具有低于给定阻塞需求β的相应阻塞值的特定候选带宽，并且与其他候选带宽相比需要最小量的频谱。 迭代应用步骤包括在每次迭代中改变最佳努力流量的带宽量以确定候选带宽。 迭代应用步骤还包括：在每次迭代中，在最大努力流量的带宽量之外，在相邻信道之间改变共享带宽的量，以进一步确定候选带宽。
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5.发明授权公开(公告)号：US08989197B2
公开(公告)日：2015-03-24
申请号：US13855446
申请日：2013-04-02
Applicant: NEC Laboratories America, Inc. , NEC Corporation
Inventor： Philip N. Ji , Ryuji Aida , Ting Wang
CPC classification number: H04Q11/0005 , H04L12/28 , H04Q11/00 , H04Q2011/0016
Abstract: Methods and systems for optical communication in a submarine network are provided. An input signal is received from a terminal at a reconfigurable branching unit (BU), wherein the BU enables bidirectional transmission between any two terminals, and the input signal is demultiplexed into at least one individual waveband or wavelength using at least one demultiplexer. Each demultiplexed waveband is passed through optical switches, with corresponding optical switches for the same demultiplexed waveband provided for transmission in the reverse direction. Independent per-waveband switching is performed using a demultiplexer-switch-multiplexer (DSM) architecture. Each demultiplexed waveband is multiplexed at each output port using at least one multiplexer to combine signals from different sources, and combined signals are transmitted to a destination terminal.
Abstract translation: 提供了海底网络光通信的方法和系统。 在可重构分支单元（BU）处从终端接收输入信号，其中BU使能任何两个终端之间的双向传输，并且使用至少一个解复用器将输入信号解复用为至少一个单独的波段或波长。 每个解复用的波段通过光开关，其中相应的光开关用于相反的解复用波段，用于反向传输。 使用解复用器 - 开关多路复用器（DSM）架构来执行独立的每波段切换。 每个解复用波段在每个输出端口使用至少一个多路复用器进行多路复用以组合来自不同源的信号，并且组合信号被发送到目的地终端。
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Patent Agency Ranking
6.发明申请公开(公告)号：US20130259055A1
公开(公告)日：2013-10-03
申请号：US13855446
申请日：2013-04-02
Applicant: NEC LABORATORIES AMERICA, INC. , NEC CORPORATION
Inventor： Philip N. Ji , Ryuji Aida , Ting Wang
IPC: H04Q11/00
CPC classification number: H04Q11/0005 , H04L12/28 , H04Q11/00 , H04Q2011/0016
Abstract: Methods and systems for optical communication in a submarine network are provided. An input signal is received from a terminal at a reconfigurable branching unit (BU), wherein the BU enables bidirectional transmission between any two terminals, and the input signal is demultiplexed into at least one individual waveband or wavelength using at least one demultiplexer. Each demultiplexed waveband is passed through optical switches, with corresponding optical switches for the same demultiplexed waveband provided for transmission in the reverse direction. Independent per-waveband switching is performed using a demultiplexer-switch-multiplexer (DSM) architecture. Each demultiplexed waveband is multiplexed at each output port using at least one multiplexer to combine signals from different sources, and combined signals are transmitted to a destination terminal.
Abstract translation: 提供了海底网络光通信的方法和系统。 在可重构分支单元（BU）处从终端接收输入信号，其中BU使能任何两个终端之间的双向传输，并且使用至少一个解复用器将输入信号解复用为至少一个单独的波段或波长。 每个解复用的波段通过光开关，其中相应的光开关用于相反的解复用波段，用于反向传输。 使用解复用器 - 开关多路复用器（DSM）架构来执行独立的每波段切换。 每个解复用波段在每个输出端口使用至少一个多路复用器进行多路复用以组合来自不同源的信号，并且组合信号被发送到目的地终端。
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公开(公告)号：US09813182B2
公开(公告)日：2017-11-07
申请号：US14454031
申请日：2014-08-07
Applicant: NEC Laboratories America, Inc.
Inventor： Philip N. Ji , Ryuji Aida , Ting Wang
IPC: H04J14/02
CPC classification number: H04J14/021 , H04J14/0205 , H04J14/0208
Abstract: Systems and methods for data transport, including submarine reconfigurable optical add/drop multiplexers, branching units configured to receive signals from trunk terminals (TTs), and dummy light filters configured to pass useful signals through the filters, and to reflect dummy light. Optical interleavers are configured to separate useful signals into two or more groups of optical channels, and the optical channels are set to a frequency of either a left or a right portion of a total channel bandwidth. De-interleavers merge signal groups together from trunk terminals, and lasers at each of the transponders at the source terminals are configured to adjust a destination of a channel by fine tuning a frequency or wavelength of the one or more signals.
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8.发明授权公开(公告)号：US09735914B2
公开(公告)日：2017-08-15
申请号：US14808094
申请日：2015-07-24
Applicant: NEC Laboratories America, Inc. , NEC Corporation
Inventor： Eduardo F. Mateo Rodriguez , Philip N. Ji , Ryuji Aida
CPC classification number: H04J14/0212 , H04B3/52 , H04J14/0204 , H04J14/021 , H04Q11/0005 , H04Q11/0062 , H04Q2011/0016
Abstract: A method for data transport that includes providing a branch terminal between a first and second trunk terminal, wherein a branching unit is present at an intersect between the first and second trunk terminal and the branch terminal. The branching unit includes a reconfigurable add/drop multiplexers (ROADM) at least one attenuator. A signal is sent from a second terminal of the first and second trunk terminal to the branding unit. The signal may include a branch traffic component trunk traffic component. The branching unit includes at least one attenuator for attenuating the trunk traffic component so that the trunk traffic component of the signal cannot be detected at the branch terminal.
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公开(公告)号：US08995832B2
公开(公告)日：2015-03-31
申请号：US13855104
申请日：2013-04-02
Applicant: NEC Laboratories America, Inc. , NEC Corporation
Inventor： Philip N. Ji , Yoshiaki Aono , Ting Wang
CPC classification number: H04J14/0212 , H04J14/0204 , H04J14/0205 , H04J14/0206 , H04J14/0217
Abstract: The present principles are directed to a transponder aggregator-based optical loopback in a multi-degree colorless, directionless, contention-less, reconfigurable optical add/drop multiplexer. The multiplexer includes a reconfigurable optical add/drop multiplexer section for performing connect operations for wavelength division multiplexing signals among all degrees. The section has a plurality of subsections. Each of the subsections corresponds to a respective one of the degrees and has an optical separator at an input side and an optical combiner at an output side. The multiplexer further includes a transponder aggregator section having a split-and-select switch-based transponder aggregator. The multiplexer also includes an optical line loopback having a connection path between the optical separator at the input side and the optical combiner at the output side of at least one of the subsections.
Abstract translation: 本原理涉及在多度无色，无方向，无竞争的可重配置的光分插复用器中的基于转发器聚合器的光环回。 复用器包括可重配置的光分插复用器部分，用于在所有度之间执行波分复用信号的连接操作。 该部分有多个子部分。 每个子部分对应于相应的度数，并且在输入侧具有光学分离器，在输出侧具有光学合成器。 多路复用器还包括具有分组选择基于交换机的应答器聚合器的转发器聚合器部分。 复用器还包括具有在输入侧的光学分离器与至少一个子部分的输出侧的光学组合器之间的连接路径的光学线路环回。
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10.发明申请公开(公告)号：US20130259475A1
公开(公告)日：2013-10-03
申请号：US13855384
申请日：2013-04-02
Applicant: NEC LABORATORIES AMERICA, INC. , NEC CORPORATION
Inventor： Philip N. Ji , Ryuji Aida , Ting Wang
IPC: H04Q11/00
CPC classification number: H04Q11/0005 , H04L12/28 , H04Q11/00 , H04Q2011/0016
Abstract: Methods and systems for optical communication in a submarine network are provided. An input signal is received from a terminal at a reconfigurable branching unit (BU), and the input signal is split into at least two parts, with one part being associated with one or more trunk terminals and another part being associated with one or more branch terminals. Each of one or more spectrum channels are selected and individually switched to one of a plurality of paths using at least one wavelength selective switch (WSS), with the at least one WSS being configured to transmit the one or more spectrum channels to their respective target output port and to combine signals switched to a specific port into a wavelength division multiplexing (WDM) signal. Individual spectrum channels are filtered out using at least one wavelength blocker (WB).
Abstract translation: 提供了海底网络光通信的方法和系统。 在可重构分支单元（BU）处从终端接收输入信号，并且将输入信号分成至少两部分，其中一部分与一个或多个中继终端相关联，另一部分与一个或多个分支 终端。 使用至少一个波长选择开关（WSS）来选择一个或多个频谱信道中的每一个并且单独地切换到多个路径中的一个，其中所述至少一个WSS被配置为将一个或多个频谱信道发送到它们各自的目标 输出端口并将切换到特定端口的信号组合成波分复用（WDM）信号。 使用至少一个波长阻挡器（WB）滤除各个频谱通道。
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