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    Low-Latency Synchronous Clock Distribution and Recovery for High-Speed OFMDA-Based Mobile Backhaul
    12.
    发明申请
    Low-Latency Synchronous Clock Distribution and Recovery for High-Speed OFMDA-Based Mobile Backhaul 有权
    用于基于高速OFMDA的移动回程的低延迟同步时钟分配和恢复

    公开(公告)号：US20150092759A1

    公开(公告)日：2015-04-02

    申请号：US14504423

    申请日：2014-10-02

    Applicant: NEC Laboratories America, Inc.

    Inventor： Neda Cvijetic ,  Ming Zhu

    IPC: H04B7/26 ,  H04W56/00

    CPC classification number: H04B7/2665 ,  H04W56/001

    Abstract: A communication system includes an OFDMA transmitter (Tx) at an optical line terminal (OLT) generating an OFDMA signal by assigning orthogonal subcarriers to different cell sites through digital logic, an electrical multiplexer combining the electrical OFDMA signal with two electrical clock signals, and an optical intensity modulator intensity-modulating the resulting joint electrical OFDMA+clocks signal; an optical multiplexer receiving aggregate OFDMA signals on multiple wavelengths with tight DWDM λ-spacing; a remote node (RN) receiving the OFDMA signals, such that each wavelength is distributed by a de-multiplexer (Demux) to designated general small cell area, to which cell sites are connected by optical splitters; and an optical network unit (ONU) to directly photodetect and digitize received OFDMA signal, wherein downstream (DS) information for each cell is digitally extracted and prepared for wireless radio frequency (RF) transmission over an air interface, and an electrical splitter and bandpass filters to separate the OFDMA and clock signals for DSP-free clock recovery.

    Abstract translation: 通信系统包括在光线路终端（OLT）处的OFDMA发送器（Tx），其通过数字逻辑将正交子载波分配给不同的小区站点，通过将电子OFDMA信号与两个电时钟信号组合在一起的电多路复用器，以及 光强度调制器强度调制所产生的联合电子OFDMA +时钟信号; 光复用器接收具有紧密DWDMλ间距的多个波长上的聚合OFDMA信号; 接收OFDMA信号的远程节点（RN），使得每个波长由解复用器（Demux）分配给指定的一般小区域，通过光分路器连接到哪个小区站点; 以及直接对接收的OFDMA信号进行光电检测和数字化的光网络单元（ONU），其中针对每个小区的下行（DS）信息被数字地提取并准备用于通过空中接口的无线射频（RF）传输，以及电分路器和带通 滤波器分离OFDMA和时钟信号，实现无DSP时钟恢复。

    Generic centralized architecture for software-defined networking with low latency one-way bypass communication
    15.
    发明授权
    Generic centralized architecture for software-defined networking with low latency one-way bypass communication 有权
    具有低延迟单向旁路通信的软件定义网络的通用集中式架构

    公开(公告)号：US09450805B2

    公开(公告)日：2016-09-20

    申请号：US14044177

    申请日：2013-10-02

    Applicant: NEC Laboratories America, Inc.

    Inventor： Neda Cvijetic ,  Ankitkumar Patel ,  Philip Nan Ji ,  Ting Wang ,  Maria Ioanna Angelou

    IPC: G06F15/173 ,  H04L12/24 ,  H04L12/721 ,  H04L12/717

    CPC classification number: H04L41/00 ,  H04L41/022 ,  H04L41/04 ,  H04L41/044 ,  H04L41/12 ,  H04L45/38 ,  H04L45/42

    Abstract: A generic centralized, software-defined networking configuration for connecting network is defined as a generic multi-layer topology network entities interconnected either vertically or horizontally regardless of the employed network topology/graph). This centralized configuration enables establishment of a connection between any two networking entities by 1) bypassing intermediate protocol layers and 2) eliminating any handshaking between peer elements of the same layer. The centralized software-defined controller notifies in parallel all involved network entities along a connection path to take all necessary actions (i.e. reconfiguration) to establish the new connection. The centralized controller has authority to control only entities that are software-defined SD.

    Abstract translation: 用于连接网络的通用集中式软件定义网络配置被定义为垂直或水平互连的通用多层拓扑网络实体，而不管采用的网络拓扑/图形如何）。 这种集中式配置可以通过以下方式建立任何两个组网实体之间的连接：1）绕过中间协议层，2）消除同一层的对等体元素之间的任何握手。 集中式软件定义的控制器并行地通过连接路径并行地通知所有涉及的网络实体，以采取所有必要的动作（即重新配置）来建立新的连接。 集中控制器具有仅控制软件定义SD的实体的权限。

    SYSTEM AND METHOD FOR REMOTE OBJECT SENSING
    16.
    发明申请
    SYSTEM AND METHOD FOR REMOTE OBJECT SENSING 有权
    远程对象感测的系统和方法

    公开(公告)号：US20160146937A1

    公开(公告)日：2016-05-26

    申请号：US14946304

    申请日：2015-11-19

    Applicant: NEC Laboratories America, Inc.

    Inventor： Giovanni Milione ,  Neda Cvijetic ,  Ting Wang

    IPC: G01S17/02 ,  G01S7/481

    CPC classification number: G01S7/4818 ,  G01J4/04 ,  G01S7/4802 ,  G01S7/4814 ,  G01S7/4816 ,  G01S7/499

    Abstract: A system and method for remote object sensing which features a spatially polarization-inhomogeneous light beam that is directed on the remote object. A polarimetry receiver receives the light beam after it contacts the remote object. The changes in the spatially polarization-inhomogeneous light beam from contacting the remote object are a result of spatial features of the remote object. The polarimetry receiver is configured to measure the spatially inhomogeneous electric field of the light beam after it contacts the remote object and compute the changes in the spatially polarization-inhomogeneous light beam in order to detect spatial features of the remote object. The system obtains high-resolution, real-time information concerning important spatial features of the remote object.

    Abstract translation: 一种用于远程物体感测的系统和方法，其特征在于朝向远程物体的空间偏振不均匀光束。 偏光镜接收器在接触到远程物体之后接收光束。 与远程物体接触的空间极化不均匀光束的变化是远程物体的空间特征的结果。 偏振接收器被配置为在光束接触到远程物体之后测量光束的空间不均匀电场，并计算空间偏振不均匀光束中的变化，以便检测远程物体的空间特征。 该系统获得关于远程物体重要空间特征的高分辨率实时信息。

    METHOD AND APPARATUS FOR REMOTE SENSING USING OPTICAL ORBITAL ANGULAR MOMENTUM (OAM)-BASED SPECTROSCOPY FOR OBJECT RECOGNITION
    17.
    发明申请
    METHOD AND APPARATUS FOR REMOTE SENSING USING OPTICAL ORBITAL ANGULAR MOMENTUM (OAM)-BASED SPECTROSCOPY FOR OBJECT RECOGNITION 审中-公开
    用于对象识别的光学椭圆形光子（OAM）光谱的远程感测的方法和装置

    公开(公告)号：US20160123877A1

    公开(公告)日：2016-05-05

    申请号：US14931568

    申请日：2015-11-03

    Applicant: NEC Laboratories America, Inc.

    Inventor： Neda Cvijetic ,  Giovanni Milione ,  Ting Wang

    IPC: G01N21/55 ,  G01N21/27 ,  G01N21/21

    Abstract: A method and system for remote sensing using optical orbital angular momentum (OAM)-based spectroscopy for object recognition. The method includes applying an OAM state on a light beam to generate an optical OAM spectrum, transmitting the light beam on a remote object, receiving a reflected optical OAM spectrum associated with the remote object, and providing a high resolution image of the remote object based on the reflected optical OAM spectrum.

    Abstract translation: 一种使用基于光学轨道角动量（OAM）的光谱进行物体识别的遥感方法和系统。 该方法包括在光束上应用OAM状态以产生光学OAM光谱，将光束传输到远程物体上，接收与远程物体相关联的反射光学OAM光谱，以及提供远程物体的高分辨率图像 在反射光学OAM光谱上。

    Software-Defined Optical Network
    20.
    发明申请
    Software-Defined Optical Network 有权
    软件定义光网络

    公开(公告)号：US20130343755A1

    公开(公告)日：2013-12-26

    申请号：US13915874

    申请日：2013-06-12

    Applicant: NEC Laboratories America, Inc.

    Inventor： Neda Cvijetic ,  Maria Ioanna Angelou ,  Ankitkumar Patel ,  Milorad Cvijetic ,  Philip Nan Ji ,  Ting Wang

    IPC: H04Q11/00

    CPC classification number: H04Q11/0066 ,  H04J14/0227 ,  H04J14/0282

    Abstract: A software-defined (SD) optical network is disclosed. An SD optical line terminal (OLT) includes a global SD controller, one or more SD OLT drivers connected to the global SD controller, and an underlying hardware component connected to each of said one or more SD OLT drivers. An SD optical network unit (ONU) includes a local SD controller, one or more SD optical network unit (ONU) drivers connected to the local SD controller, and an underlying hardware component connected to each of said one or more SD ONU drivers, wherein the local SD controller manages said one or more SD ONU drivers by issuing commands communicated to said one or more SD ONU drivers, and wherein each of said one or more SD ONU drivers implements a required function on the underlying hardware component. Other apparatuses, systems, and methods also are disclosed.

    Abstract translation: 公开了一种软件定义（SD）光网络。 SD光线路终端（OLT）包括全局SD控制器，连接到全局SD控制器的一个或多个SD OLT驱动器和连接到所述一个或多个SD OLT驱动器中的每一个的底层硬件组件。 SD光网络单元（ONU）包括本地SD控制器，连接到本地SD控制器的一个或多个SD光网络单元（ONU）驱动器和连接到所述一个或多个SD ONU驱动器中的每一个的底层硬件组件，其中 本地SD控制器通过发出传送给所述一个或多个SD ONU驱动器的命令来管理所述一个或多个SD ONU驱动器，并且其中所述一个或多个SD ONU驱动器中的每一个在底层硬件组件上实现所需功能。 还公开了其他装置，系统和方法。

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