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    Low cost secure ROADM branching unit with redundancy protection
    1.
    发明授权
    Low cost secure ROADM branching unit with redundancy protection 有权

    公开(公告)号：US09654209B2

    公开(公告)日：2017-05-16

    申请号：US15090642

    申请日：2016-04-05

    Applicant: NEC Laboratories America, Inc.

    Inventor： Philip Nan Ji ,  Ting Wang ,  Ryuji Aida

    IPC: H04B10/00 ,  H04B10/032 ,  H04J14/02 ,  H04B10/25 ,  H04Q11/00

    CPC classification number: H04B10/032 ,  H04B10/2503 ,  H04J14/0204 ,  H04J14/0205 ,  H04J14/0212 ,  H04J14/0216 ,  H04J14/0297 ,  H04Q11/0005 ,  H04Q2011/0043

    Abstract: A communication system includes a primary module with: first trunk and branch input and output ports, each coupled to first in/out couplers, the first in/out couplers coupled to first circulators, and the circulators in turn coupled to first central couplers; second trunk branch input and output ports, each coupled to second in/out couplers, each of second in/out couplers coupled to second circulators; and first and second bidirectional wavelength-selective switches (WSSes) coupled to the first central couplers. The system also includes a secondary module with first trunk and branch input and output ports, each coupled to first in/out couplers, the first in/out couplers coupled to third circulators, and the circulators in turn coupled to second central couplers; second trunk branch input and output ports, each coupled to second in/out couplers, each of second in/out couplers coupled to fourth circulators, and third and fourth bidirectional wavelength-selective switches (WSSes) coupled to the second central couplers. The system further includes one or more 2×2 switches coupling the primary module WSS outputs with the secondary module WSS outputs.

    Low Cost Secure Submarine ROADM Branching Unit Using Bidirectional Wavelength-Selective Switch
    3.
    发明申请
    Low Cost Secure Submarine ROADM Branching Unit Using Bidirectional Wavelength-Selective Switch 有权
    低成本安全潜艇ROADM分支单元使用双向波长选择开关

    公开(公告)号：US20160149663A1

    公开(公告)日：2016-05-26

    申请号：US14938771

    申请日：2015-11-11

    Applicant: NEC Laboratories America, Inc.

    Inventor： Philip Nan Ji ,  Ryuji Aida ,  Ting Wang

    IPC: H04J14/02 ,  H04Q11/00 ,  H04B10/80

    CPC classification number: H04J14/0212 ,  H04J14/0204 ,  H04J14/0205 ,  H04J14/0216 ,  H04J14/0221

    Abstract: A reconfigurable optical add/drop multiplexer (ROADM) unit includes a first optical circulator coupled to a first terminal; a second optical circulator coupled to a second terminal; a third optical circulator coupled to a third terminal; a fourth optical circulator coupled to a fourth terminal; a first wavelength-selective switch (WSS), coupled to the first, second, and third optical circulators; a second WSS coupled to the first, second, and fourth optical circulators, wherein the first and second WSSes are bidirectional operated; a first 1:2 coupler positioned between the first circulator and the first and second WSSes; a second 1:2 coupler positioned between the second circulator and the first and second WSSes.

    Abstract translation: 可重新配置的光分插复用器（ROADM）单元包括耦合到第一终端的第一光循环器; 耦合到第二端子的第二光循环器; 耦合到第三端子的第三光循环器; 耦合到第四端子的第四光循环器; 耦合到第一，第二和第三光学循环器的第一波长选择开关（WSS）; 耦合到所述第一，第二和第四光学循环器的第二WSS，其中所述第一和第二WSS是双向操作的; 位于第一循环器和第一和第二WSS之间的第一1:2耦合器; 位于第二循环器和第一和第二WSS之间的第二1：2耦合器。

    Hybrid electro-optical distributed software-defined data center architecture
    4.
    发明授权
    Hybrid electro-optical distributed software-defined data center architecture 有权
    混合光电分布式软件定义数据中心架构

    公开(公告)号：US09247325B2

    公开(公告)日：2016-01-26

    申请号：US14551973

    申请日：2014-11-24

    Applicant: NEC Laboratories America, Inc.

    Inventor： Ankitkumar N. Patel ,  Philip Nan Ji ,  Yawei Yin

    IPC: H04J14/02 ,  H04Q11/00

    CPC classification number: H04Q11/0005 ,  H04J14/0202 ,  H04J14/0205 ,  H04J14/0212 ,  H04J14/0283 ,  H04Q11/0071 ,  H04Q2011/0052

    Abstract: A hybrid electro-optical data center system includes multiple tiers. A bottom tier has one or more bottom tier instances, with each bottom tier instance including one or more racks, an electro-optical switch corresponding to each rack, and a first bottom tier optical loop providing optical connectivity between the electro-optical switches of the respective bottom tier instance. At least one server within each rack is electrically connected to the respective electro-optical switch and at least one super-server within each rack is electrically and optically connected to the respective electro-optical switch. A top tier includes electro-optical switches, each electrically connected to an electro-optical switch in a respective bottom tier instance, a first top tier optical loop providing optical connectivity between the electro-optical switches of the top tier, and one or more optical add/drop modules providing optical connectivity between the first bottom tier optical loop and the first top tier optical loop.

    Abstract translation: 混合电光数据中心系统包括多层。 底层具有一个或多个底层实例，每个底层实例包括一个或多个机架，对应于每个机架的电光开关，以及提供光电开关之间的光学连接的第一底层光环路 各自底层实例。 每个机架内的至少一个服务器电连接到相应的电光开关，并且每个机架内的至少一个超级服务器电和光学连接到相应的电光开关。 顶层包括电光开关，每个电光开关在相应的底层实例中电连接到电光开关，第一顶层光环路提供顶层的电光开关之间的光学连接，以及一个或多个光学 在第一底层光环路和第一顶层光环路之间提供光连接的添加/分出模块。

    MIMO-OFDM-based flexible rate intra-data center network
    6.
    发明授权
    MIMO-OFDM-based flexible rate intra-data center network 有权
    基于MIMO-OFDM的灵活率数据中心网络

    公开(公告)号：US09059888B2

    公开(公告)日：2015-06-16

    申请号：US13767181

    申请日：2013-02-14

    Applicant: NEC Laboratories America, Inc.

    Inventor： Philip Nan Ji ,  Ting Wang ,  Yoshiaki Aono

    IPC: H04J14/00 ,  H04K1/10 ,  H04L27/28 ,  H04L27/26 ,  H04Q11/00

    CPC classification number: H04L27/2697 ,  H04J14/0269 ,  H04J14/0298 ,  H04L27/2649 ,  H04Q2011/0032

    Abstract: An optical network includes receiving inter-rack traffics from transmitter racks, converting by transmitters the inter-rack traffics to respective wavelength division multiplexing WDM optical signals, receiving and routing by a cyclic interleaver the optical signals from the transmitters to output ports in a cyclic manner, converting respective routed optical signals from the cyclic interleaver into respective electrical signals, and demodulating OFDM formats from respective converted optical signals containing signals for respective receiver racks.

    Abstract translation: 光网络包括从发射机机架接收机架间业务，由发射机将机架间业务转换为相应的波分复用WDM光信号，通过循环交织器将光信号从发射机以循环方式传送到输出端口 将来自循环交织器的各个路由光信号转换成各自的电信号，以及从包含相应接收机机架的信号的各个转换的光信号中解调OFDM格式。

    NETWORK FOLLOWED BY COMPUTE LOAD BALANCING PROCEDURE FOR EMBEDDING CLOUD SERVICES IN SOFTWARE-DEFINED FLEXIBLE-GRID OPTICAL TRANSPORT NETWORKS
    7.
    发明申请
    NETWORK FOLLOWED BY COMPUTE LOAD BALANCING PROCEDURE FOR EMBEDDING CLOUD SERVICES IN SOFTWARE-DEFINED FLEXIBLE-GRID OPTICAL TRANSPORT NETWORKS 有权
    软件定义灵活网格运输网络中嵌入云服务的计算机负载平衡程序后的网络

    公开(公告)号：US20150046592A1

    公开(公告)日：2015-02-12

    申请号：US14317156

    申请日：2014-06-27

    Applicant: NEC Laboratories America, Inc.

    Inventor： Ankitkumar N. Patel ,  Philip Nan Ji

    IPC: H04L29/08

    CPC classification number: H04L67/1036

    Abstract: A method for providing cloud embedding using Network followed by Compute Load Balancing (NCLB) by mapping one or more virtual links over one or more physical links while balancing network resources, and mapping one or more virtual nodes over one or more physical nodes while balancing different types of computational resources.

    Abstract translation: 一种使用网络跟随计算负载平衡（NCLB）提供云嵌入的方法，通过在平衡网络资源的同时在一个或多个物理链路上映射一个或多个虚拟链路，并在一个或多个物理节点上映射一个或多个虚拟节点，同时平衡不同的 计算资源类型。

    QoS-aware united control protocol for optical burst switching in software defined optical netoworks
    9.
    发明申请
    QoS-aware united control protocol for optical burst switching in software defined optical netoworks 有权
    在软件定义的光学工具中用于光突发交换的QoS感知联合控制协议

    公开(公告)号：US20140178066A1

    公开(公告)日：2014-06-26

    申请号：US13998535

    申请日：2013-11-07

    Applicant: NEC Laboratories America, Inc.

    Inventor： Ankitkumar N. Patel ,  Philip Nan Ji

    IPC: H04B10/27

    CPC classification number: H04B10/27 ,  H04L67/2842 ,  H04L67/327 ,  H04Q11/00

    Abstract: The present invention is directed to a QoS-aware unified protocol that is applicable in the control plane of software defined networks, which can bring following benefits and includes optical burst switching protocol mainly requires four key operations; burst assembling, burst routing, burst scheduling, and control packet signaling protocols.

    Abstract translation: 本发明涉及一种适用于软件定义网络的控制平面的QoS感知统一协议，可以带来以下优点，包括光突发交换协议主要需要四个关键操作; 突发组合，突发路由，突发调度和控制分组信令协议。

    MIMO-OFDM-Based Flexible Rate Intra-Data Center Network
    10.
    发明申请
    MIMO-OFDM-Based Flexible Rate Intra-Data Center Network 有权
    基于MIMO-OFDM的弹性速率数据中心网络

    公开(公告)号：US20140056371A1

    公开(公告)日：2014-02-27

    申请号：US13767181

    申请日：2013-02-14

    Applicant: NEC Laboratories America, Inc.

    Inventor： Philip Nan Ji ,  Ting Wang ,  Yoshiaki Aono

    IPC: H04L27/26

    CPC classification number: H04L27/2697 ,  H04J14/0269 ,  H04J14/0298 ,  H04L27/2649 ,  H04Q2011/0032

    Abstract: An optical network includes receiving inter-rack traffics from transmitter racks, converting by transmitters the inter-rack traffics to respective wavelength division multiplexing WDM optical signals, receiving and routing by a cyclic interleaver the optical signals from the transmitters to output ports in a cyclic manner, converting respective routed optical signals from the cyclic interleaver into respective electrical signals, and demodulating OFDM formats from respective converted optical signals containing signals for respective receiver racks.

    Abstract translation: 光网络包括从发射机机架接收机架间业务，由发射机将机架间业务转换为相应的波分复用WDM光信号，通过循环交织器将光信号从发射机以循环方式传送到输出端口 将来自循环交织器的各个路由光信号转换成各自的电信号，以及从包含相应接收机机架的信号的各个转换的光信号中解调OFDM格式。

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