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    METHOD AND APPARATUS FOR LINK DISCOVERY AMONG DOMAINS
    12.
    发明申请
    METHOD AND APPARATUS FOR LINK DISCOVERY AMONG DOMAINS 审中-公开
    方法和装置在领域的联系发现

    公开(公告)号：US20160241684A1

    公开(公告)日：2016-08-18

    申请号：US14919939

    申请日：2015-10-22

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Chang Gyu LIM ,  Tae Il KIM ,  Soo Myung PARK ,  Jong Hyun LEE

    IPC: H04L29/08 ,  H04L12/741

    CPC classification number: H04L69/324 ,  H04L45/02 ,  H04L45/04 ,  H04L45/26 ,  H04L45/42 ,  Y02D30/30

    Abstract: A method and apparatus for link discovery among domains, the method including receiving a link discovery packet from a second switch in a second domain, generating a response packet with respect to the link discovery packet, and transmitting the response packet to the second switch, wherein the link discovery packet is generated by a transmission controller to control the first domain in order to detect a link between the second switch and the first switch in a first domain.

    Abstract translation: 一种用于域之间的链路发现的方法和装置，所述方法包括从第二域中的第二交换机接收链路发现分组，产生关于所述链路发现分组的响应分组，并将响应分组发送到所述第二交换机，其中 链路发现分组由传输控制器产生以控制第一域，以便检测第一域中第二交换机和第一交换机之间的链路。

    OPTICAL FIBER CABLE MONITORING APPARATUS AND OPTICAL FIBER CABLE MONITORING METHOD USING DUAL LIGHT SOURCE
    13.
    发明申请
    OPTICAL FIBER CABLE MONITORING APPARATUS AND OPTICAL FIBER CABLE MONITORING METHOD USING DUAL LIGHT SOURCE 审中-公开
    光纤电缆监测装置和光纤电缆监测方法采用双光源

    公开(公告)号：US20160238483A1

    公开(公告)日：2016-08-18

    申请号：US15042670

    申请日：2016-02-12

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Seung IL MYONG ,  Jyung Chan LEE ,  Hun Sik KANG ,  Jong Hyun LEE

    IPC: G01M11/00 ,  G02B6/293

    CPC classification number: G01M11/3154 ,  G02B6/293 ,  G02B6/4246

    Abstract: Disclosed is an optical fiber cable monitoring apparatus using a dual light source. The optical fiber cable monitoring apparatus includes: an optical transmitter configured to comprise a first light source and a second light source, which output light of different wavelengths, and to operate the first light source and the second light source to propagate first probe light and second probe light to an optical fiber cable; and an optical receiver configured to comprise a first light receiving module and a second light receiving module, each receiving first reflected light and second reflected light which are reflected from the optical fiber cable.

    Abstract translation: 公开了使用双光源的光纤电缆监视装置。 光纤电缆监视装置包括：光发射器，被配置为包括输出不同波长的光的第一光源和第二光源，并且操作第一光源和第二光源以传播第一探测光和第二光源 探测光线到光缆; 以及光接收器，被配置为包括第一光接收模块和第二光接收模块，每个接收模块接收从光纤电缆反射的第一反射光和第二反射光。

    CONTROL APPARATUS AND METHOD FOR MONITORING OPTICAL FIBER LINK
    15.
    发明申请
    CONTROL APPARATUS AND METHOD FOR MONITORING OPTICAL FIBER LINK 有权
    用于监控光纤链路的控制装置和方法

    公开(公告)号：US20160218801A1

    公开(公告)日：2016-07-28

    申请号：US15007739

    申请日：2016-01-27

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Hwan Seok CHUNG ,  Seung Hyun CHO ,  Jong Hyun LEE ,  Sang Soo LEE ,  Chan Gyo HAN

    IPC: H04B10/079 ,  H04B10/2575

    CPC classification number: H04B10/07953 ,  H04B10/25759 ,  H04B10/50572 ,  H04B10/50575 ,  H04B10/564

    Abstract: An optical fiber cable of a mobile fronthaul system based on a radio over fiber (RoF), which includes a control apparatus for monitoring an analog optical link according to an exemplary embodiment, may be monitored. The monitoring control apparatus may include an optical signal monitor to monitor an optical signal passing through an optical fiber cable, and a system controller to control the optical signal based on a result of the monitoring. The optical signal monitor may calculate an average optical power, carrier-to-noise ratio (CNR), and a size of a nonlinear component from an electrical signal, which has been acquired from the optical signal. Then, the optical signal monitor may control the calculated average optical power, CNR, and nonlinear component.

    Abstract translation: 可以监视基于无线电光纤（RoF）的移动前端系统的光纤电缆，其包括用于监视根据示例性实施例的模拟光链路的控制装置。 监视控制装置可以包括用于监视通过光纤电缆的光信号的光信号监视器，以及基于监视结果来控制光信号的系统控​​制器。 光信号监视器可以根据从光信号获得的电信号计算平均光功率，载波噪声比（CNR）和非线性分量的大小。 然后，光信号监视器可以控制计算的平均光功率CNR和非线性分量。

    FRAME CONVERSION-BASED MID-SPAN EXTENDER, AND METHOD OF FRAME CONVERSION-BASED MID-SPAN EXTENDER FOR SUPPORTING G-PON SERVICE IN XG-PON LINK
    16.
    发明申请
    FRAME CONVERSION-BASED MID-SPAN EXTENDER, AND METHOD OF FRAME CONVERSION-BASED MID-SPAN EXTENDER FOR SUPPORTING G-PON SERVICE IN XG-PON LINK 审中-公开
    基于框架转换的中跨扩展器，以及用于支持XG-PON链路中的G-PON服务的基于帧转换的中跨扩展器

    公开(公告)号：US20150373430A1

    公开(公告)日：2015-12-24

    申请号：US14742094

    申请日：2015-06-17

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Kwang Ok KIM ,  Sang Soo LEE ,  Jong Hyun LEE

    IPC: H04Q11/00 ,  H04L12/935 ,  H04J14/02

    CPC classification number: H04L49/3009 ,  H04Q11/0067 ,  H04Q2011/0064

    Abstract: A frame conversion-based mid-span extender includes: a 10-Gigabit-capable Optical Network Unit (XG-ONU) optical module configured to transmit and receive a wavelength signal of a 10-Gigabit-capable Optical Line Terminal (XG-OLT); a frame converter configured to perform conversion between a 10-Gigabit-capable Passive Optical Network (XG-PON) frame and a Gigabit-capable Passive Optical Network (G-PON) frame; and an Optical Line Terminal (OLT) enabled to transmit and receive a wavelength of an Optical Network Unit (ONU).

    Abstract translation: 一种基于帧转换的中跨扩展器包括：一个10G位光网络单元（XG-ONU）光模块，被配置为发送和接收一个10G以太网光线路终端（XG-OLT）的波长信号， ; 帧转换器，被配置为执行在10吉比特的无源光网络（XG-PON）帧和千兆位无源光网络（G-PON）帧之间的转换; 以及能够发送和接收光网络单元（ONU）的波长的光线路终端（OLT）。

    METHOD AND APPARATUS FOR CREATING VIRTUAL TRAFFIC ENGINEERING LINK
    17.
    发明申请
    METHOD AND APPARATUS FOR CREATING VIRTUAL TRAFFIC ENGINEERING LINK 审中-公开
    创造虚拟交通工程链接的方法与装置

    公开(公告)号：US20150281051A1

    公开(公告)日：2015-10-01

    申请号：US14664132

    申请日：2015-03-20

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Kyeong Eun HAN ,  Sun Me KIM ,  Tae Hyun KWON ,  Eun Young CHO ,  Jong Hyun LEE

    IPC: H04L12/723 ,  H04L12/741 ,  H04B10/27

    CPC classification number: H04L45/50 ,  H04J3/1652 ,  H04L45/74

    Abstract: Provided is a method and apparatus for creating a virtual traffic engineering (TE) link in an upper layer of an optical transport network (OTN). To create a virtual TE link, a node may determine to create the virtual TE link in an upper layer of an OTN, and may set up a forwarding adjacency (FA)-label switched path (LSP) between nodes in an OTN layer. The FA-LSP may be set up on a control plane of the OTN layer. The node may create the virtual TE link by registering the setup FA-LSP as a TE link of the upper layer of the node.

    Abstract translation: 提供了一种用于在光传输网络（OTN）的上层中创建虚拟流量工程（TE）链路的方法和装置。 为了创建虚拟TE链路，节点可以确定在OTN的上层创建虚拟TE链路，并且可以在OTN层中的节点之间建立转发邻接（FA） - 标签交换路径（LSP）。 可以在OTN层的控制平面上设置FA-LSP。 节点可以通过将建立的FA-LSP注册为节点的上层的TE链路来创建虚拟TE链路。

    LINK ACTIVATION METHOD AND APPARATUS FOR PROTECTION PATH
    18.
    发明申请
    LINK ACTIVATION METHOD AND APPARATUS FOR PROTECTION PATH 审中-公开
    链路激活方法和保护路径的设备

    公开(公告)号：US20150229398A1

    公开(公告)日：2015-08-13

    申请号：US14620687

    申请日：2015-02-12

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Jong Seok LEE ,  Dae Ub KIM ,  Sun Me KIM ,  Tae Il KIM ,  Jong Hyun LEE

    IPC: H04B10/27 ,  H04L12/24

    CPC classification number: H04B10/27 ,  H04J3/14 ,  H04J3/1652 ,  H04J2203/006 ,  H04L41/0663

    Abstract: Provided is a method and apparatus for activating a link between a first node and a second node for transmission of a lower order optical channel data unit (ODU), in which the link may be activated based on a first adaptation function between a higher order ODU and the lower order ODU performed by the second node and a second adaption function between the higher order ODU and the lower order ODU performed by the first node, and may also be activated when the first node receives an activation message from a third node, a preceding node of the first node.

    Abstract translation: 提供了一种用于激活第一节点和第二节点之间用于传输低阶光信道数据单元（ODU）的链路的方法和装置，其中可以基于高阶ODU之间的第一适配功能来激活链路 以及由第二节点执行的低阶ODU和由第一节点执行的高阶ODU和低阶ODU之间的第二适配功能，并且还可以在第一节点从第三节点接收到激活消息时被激活， 第一个节点的前一个节点。

    RADIO-OVER-FIBER (RoF) TRANSMISSION SYSTEM
    20.
    发明申请
    RADIO-OVER-FIBER (RoF) TRANSMISSION SYSTEM 审中-公开

    公开(公告)号：US20170126320A1

    公开(公告)日：2017-05-04

    申请号：US15337119

    申请日：2016-10-28

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Seung Hyun CHO ,  Jong Hyun LEE ,  Hwan Seok CHUNG ,  Sun Me KIM

    IPC: H04B10/2575 ,  H04B10/27

    CPC classification number: H04B10/25754 ,  H04B7/0413

    Abstract: A radio-over-fiber (RoF) transmission system includes at least one baseband unit (BBU) connected to a core network of a service provider that provides a mobile Internet service, an optical line terminal (OLT) configured to convert a radio signal received from the at least one BBU into an optical signal, an optical distribution network (ODN) comprising an optical fiber and an optical splitter, at least one optical network unit (ONU) configured to receive the optical signal from the OLT via the ODN and convert the optical signal into a radio signal, and at least one remote radio head (RRH) configured to receive the radio signal from the at least one ONU and output the radio signal via a plurality of antennas.

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