公开(公告)号：US09571218B2

公开(公告)日：2017-02-14

申请号：US14534312

申请日：2014-11-06

Applicant: NEC Laboratories America, Inc.

Inventor： Philip Ji ,  Ting Wang

IPC: H04B10/00 ,  H04J14/02 ,  H04B10/556

CPC classification number: H04J14/02 ,  H04B10/5561 ,  H04Q11/0005 ,  H04Q2011/0015 ,  H04Q2011/0047

Abstract: A multi direction variable transceiver including a transmitter comprising a subcarrier aggregator including at least one variable transmitter splitter and at least one variable transmitter coupler. The transceiver typically includes a receiver having at least one variable receiver splitter and at least one variable receiver coupler. In some examples, each of the transmitter and the receiver may include a controller for dynamically adjusting a splitting ratio for at least one of the variable receiver splitter, variable receiver coupler, variable transmission splitter and variable transmission coupler.

Abstract translation: 一种多方向可变收发器，包括发射机，包括包括至少一个可变发射机分离器和至少一个可变发射机耦合器的子载波聚合器。 收发器通常包括具有至少一个可变接收机分离器和至少一个可变接收机耦合器的接收机。 在一些示例中，发射机和接收机中的每一个可以包括用于动态地调整可变接收机分离器，可变接收机耦合器，可变传输分配器和可变传输耦合器中的至少一个的分束比的控制器。

公开(公告)号：US09569296B2

公开(公告)日：2017-02-14

申请号：US14293570

申请日：2014-06-02

Applicant: NEC Laboratories America, Inc.

Inventor： Junqiang Hu ,  Ting Wang ,  Sadaichiro Ogushi

IPC: G06F11/00 ,  G06F11/07 ,  G06F7/58

CPC classification number: G06F11/076 ,  G06F7/58 ,  G06F11/0745

Abstract: The invention uses a PRBS pattern generated by transmitter (serializer) as training. At the receiver side, following receiver outputs, a synchronous capturing module is used to capture multiple lanes simultaneously. The captured data is used to calculate the PRBS distance for different lanes. After the distances are obtained, the one with largest latency is used as a reference, to calculate the relative latency with each other lane. This relative latency is further used to calculate the number of shifts for Barrel Shifter and word shifter.

Abstract translation: 本发明使用由发射机（串行器）生成的PRBS模式作为训练。 在接收机侧，跟随接收机输出，同步捕获模块用于同时捕获多个通道。 捕获的数据用于计算不同车道的PRBS距离。 在获得距离之后，将具有最大延迟的一个作为参考，以计算每个其他车道的相对等待时间。 进一步使用这种相对延迟来计算桶式移位器和字移位器的移位数。

公开(公告)号：US09485029B2

公开(公告)日：2016-11-01

申请号：US14747743

申请日：2015-06-23

Applicant: NEC Laboratories America, Inc.

Inventor： Ting Wang ,  Ivan Djordjevic

IPC: H04B10/04 ,  H04B10/532 ,  H03M13/25 ,  H03M13/00

CPC classification number: H04B10/532 ,  H03M13/255 ,  H03M13/6325

Abstract: Systems and methods for communication using an optical transmission system having optical transmitters and receivers includes performing a low-density parity-check (LDPC) encoding; performing nonbinary pm-ary signaling, where p is a prime larger than 2; taking m p-ary symbols at a time and selecting a point from pm-ary signal constellation; after up-sampling and driving amplification, using coordinates of the pm-ary constellation as input of I/Q modulator x (y); combining two independent pm-ary streams corresponding to x and y-polarization states by a polarization beam combiner (PBS) and transmitting data over the optical transmission system.

Abstract translation: 使用具有光发射机和接收机的光传输系统进行通信的系统和方法包括执行低密度奇偶校验（LDPC）编码; 执行非二进制pm-ary信令，其中p是大于2的素数; 一次采取m个p元符号，并从pm-ary信号星座中选择一个点; 在采样和驱动放大之后，使用pm-ary星座的坐标作为I / Q调制器x（y）的输入; 通过偏振光束组合器（PBS）组合对应于x和y偏振状态的两个独立的pm-流，并通过光传输系统传输数据。

公开(公告)号：US09413485B2

公开(公告)日：2016-08-09

申请号：US14312610

申请日：2014-06-23

Applicant: NEC Laboratories America, Inc.

Inventor： Ankitkumar Patel ,  Philip Ji ,  Ting Wang

IPC: G06F15/173 ,  H04J14/02 ,  H04L29/08 ,  H04L12/24 ,  G06F9/46

CPC classification number: H04J14/0227 ,  G06F9/46 ,  H04L41/0896 ,  H04L45/12 ,  H04L67/10

Abstract: A method for solving a cloud embedding problem includes first mapping virtual links over physical links followed by virtual nodes over physical nodes. The inventive method entails an efficient procedure, namely network followed by compute load balancing (NCLB), that first maps virtual links over physical links while balancing network resources, and finally, maps virtual nodes over physical nodes while balancing different types of computational resources.

Abstract translation: 解决云嵌入问题的方法包括首先通过物理链路跟踪物理节点之后的虚拟节点映射虚拟链路。 本发明的方法需要有效的过程，即网络，然后是计算负载平衡（NCLB），其首先在物理链路上映射虚拟链路，同时平衡网络资源，最后，通过物理节点映射虚拟节点，同时平衡不同类型的计算资源。

公开(公告)号：US20160146721A1

公开(公告)日：2016-05-26

申请号：US14949261

申请日：2015-11-23

Applicant: NEC Laboratories America, Inc.

Inventor： Philip Ji ,  Ting Wang

IPC: G01N21/15 ,  B08B7/02 ,  G01N21/31

CPC classification number: B08B7/028 ,  B08B17/02 ,  G01N21/15 ,  G01N2021/154

Abstract: An open path optical sensing system having an ultrasonic cleaner. The system includes at least one ultrasound transducer which is configured to propagate ultrasonic waves across exposed surfaces of optical components of the optical sensing system. The ultrasonic waves create tiny vibrations on the exposed surfaces of the optical components which clean the surfaces of environmental pollutants and prevent environmental pollutants from accumulating on the surface. The ultrasonic waves may have a frequency that is substantially different than the modulation frequency of a modulated laser light beam that is generated by a laser of the open path optical sensing system. The surfaces of a plurality of optical components may be cleaned by the ultrasonic waves of a single ultrasound transducer. A plurality of ultrasound transducers may propagate waves on a single optical component.

Abstract translation: 一种具有超声波清洗器的开路光学感测系统。 该系统包括至少一个超声波换能器，其被配置为在超声波传播光学传感系统的光学部件的暴露表面上传播超声波。 超声波在光学部件的暴露表面产生微小的振动，清洁环境污染物的表面，防止环境污染物积聚在表面。 超声波可以具有与由开放光路传感系统的激光产生的调制激光束的调制频率基本上不同的频率。 可以通过单个超声换能器的超声波来清洁多个光学部件的表面。 多个超声换能器可以在单个光学部件上传播波。

公开(公告)号：US20160105243A1

公开(公告)日：2016-04-14

申请号：US14747743

申请日：2015-06-23

Applicant: NEC Laboratories America, Inc.

Inventor： Ting Wang ,  Ivan Djordjevic

IPC: H04B10/532 ,  H03M13/45 ,  H03M13/11

CPC classification number: H04B10/532 ,  H03M13/255 ,  H03M13/6325

Abstract: Systems and methods for communication using an optical transmission system having optical transmitters and receivers includes performing a low-density parity-check (LDPC) encoding; performing nonbinary pm-ary signaling, where p is a prime larger than 2; taking m p-ary symbols at a time and selecting a point from pm-ary signal constellation; after up-sampling and driving amplification, using coordinates of the pm-ary constellation as input of I/Q modulator x (y); combining two independent pm-ary streams corresponding to x and y-polarization states by a polarization beam combiner (PBS) and transmitting data over the optical transmission system.

Abstract translation: 使用具有光发射机和接收机的光传输系统进行通信的系统和方法包括执行低密度奇偶校验（LDPC）编码; 执行非二进制pm-ary信令，其中p是大于2的素数; 一次采取m个p元符号，并从pm-ary信号星座中选择一个点; 在采样和驱动放大之后，使用pm-ary星座的坐标作为I / Q调制器x（y）的输入; 通过偏振光束组合器（PBS）组合对应于x和y偏振状态的两个独立的pm-流，并通过光传输系统传输数据。

公开(公告)号：US09184854B2

公开(公告)日：2015-11-10

申请号：US14044518

申请日：2013-10-02

Applicant: NEC Laboratories America, Inc.

Inventor： Eduardo F. Mateo ,  Fatih Yaman ,  Dayou Qian ,  Ting Wang

IPC: H04B10/06 ,  H04B10/61

CPC classification number: H04B10/6163

Abstract: An optical communication system includes a digital signal processer coupled to the coherent receiver, said coherent receiver including a nonlinearity compensation module for compensating for nonlinear effects in fiber in the optical link for increasing capacity or transmission distance of the fiber, the nonlinearity compensation module includes a spectral slicing of the signal into bands, computing nonlinear interaction between the bands with parameters opposite to those of the fiber to reverse the non-linear effects in the fiber, and only certain nonlinear interactions between bands are considered thereby reducing complexity of the nonlinearity compensation.

Abstract translation: 光通信系统包括耦合到相干接收机的数字信号处理器，所述相干接收机包括用于补偿光链路中的光纤中的非线性效应的非线性补偿模块，用于增加光纤的容量或传输距离，非线性补偿模块包括 将信号频谱切片成频带，计算具有与光纤相反参数的频带之间的非线性相互作用，以反转光纤中的非线性效应，并且仅考虑频带之间的某些非线性相互作用，从而降低非线性补偿的复杂性。

公开(公告)号：US09077484B2

公开(公告)日：2015-07-07

申请号：US14046588

申请日：2013-10-04

Applicant: NEC Laboratories America, Inc.

Inventor： Shaoliang Zhang ,  Fatih Yaman ,  Ting Wang ,  Yoshihisa Inada ,  Takaaki Ogata ,  Yasuhiro Aoki

IPC: H04B10/04 ,  H04J14/06 ,  H04B10/556

CPC classification number: H04J14/06 ,  H04B10/5561

Abstract: Methods, structures and systems for generating different polarization multiplexed signals wherein the drivers of the modulators are generic while a software-controlled manager allows the carrying of any standard 10 G/40 G/100 G data while—at the same time—being adaptively adjustable according to specific link requirements and users' requests in both dispersion-managed and uncompensated links.

Abstract translation: 用于产生不同偏振复用信号的方法，结构和系统，其中调制器的驱动器是通用的，而软件控制的管理器允许携带任何标准的10G / 40G / 100G数据，同时可自适应地调节 根据具体链路要求和用户在色散管理和无补偿链路中的请求。

公开(公告)号：US20150125152A1

公开(公告)日：2015-05-07

申请号：US14534312

申请日：2014-11-06

Applicant: NEC Laboratories America, Inc.

Inventor： Philip Ji ,  Ting Wang

IPC: H04B10/40 ,  H04J14/00

CPC classification number: H04J14/02 ,  H04B10/5561 ,  H04Q11/0005 ,  H04Q2011/0015 ,  H04Q2011/0047

Abstract: A multi direction variable transceiver including a transmitter comprising a subcarrier aggregator including at least one variable transmitter splitter and at least one variable transmitter coupler. The transceiver typically includes a receiver having at least one variable receiver splitter and at least one variable receiver coupler. In some examples, each of the transmitter and the receiver may include a controller for dynamically adjusting a splitting ratio for at least one of the variable receiver splitter, variable receiver coupler, variable transmission splitter and variable transmission coupler.

Abstract translation: 一种多方向可变收发器，包括发射机，包括包括至少一个可变发射机分离器和至少一个可变发射机耦合器的子载波聚合器。 收发器通常包括具有至少一个可变接收机分离器和至少一个可变接收机耦合器的接收机。 在一些示例中，发射机和接收机中的每一个可以包括用于动态地调整可变接收机分离器，可变接收机耦合器，可变传输分配器和可变传输耦合器中的至少一个的分束比的控制器。

公开(公告)号：US20150085647A1

公开(公告)日：2015-03-26

申请号：US14325242

申请日：2014-07-07

Applicant: NEC Laboratories America, Inc.

Inventor： Junqiang Hu ,  Yoshinobu Ooto ,  Kazuo Takagi ,  Yoshiaki Aono ,  Ting Wang

IPC: H04L12/24 ,  H04L12/703 ,  H04L12/707

CPC classification number: H04L45/28 ,  H04L45/22 ,  H04L45/245 ,  H04L47/266 ,  H04L47/30 ,  Y02D50/30

Abstract: A packet switched communication system to support hitless protection includes a packet processor; a traffic manager with a buffer sized to compensate a maximum skew of each hitless path pair of a working path and a protecting path; and a hitless processor positioned between the packet processor and the traffic manager, wherein an interface between hitless processor and traffic manager has flow control to start or stop (XON/XOFF) traffic.

Abstract translation: 支持无中断保护的分组交换通信系统包括分组处理器; 具有缓冲器的流量管理器，其大小用于补偿工作路径和保护路径的每个无中断路径对的最大偏移; 以及位于分组处理器和流量管理器之间的无中断处理器，其中无中断处理器和流量管理器之间的接口具有启动或停止（XON / XOFF）流量的流量控制。