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    Passive optical network reach extender based on wavelength tunable optical module and method thereof
    1.
    发明授权
    Passive optical network reach extender based on wavelength tunable optical module and method thereof 有权
    基于波长可调光模块的无源光网络扩展器及其方法

    公开(公告)号：US09112613B2

    公开(公告)日：2015-08-18

    申请号：US13974842

    申请日：2013-08-23

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Kwang-Ok Kim ,  Sang-Soo Lee ,  Jong-Hyun Lee

    IPC: H04J14/00 ,  H04J14/02 ,  H04B10/29

    CPC classification number: H04B10/29 ,  H04J14/0247 ,  H04J14/0252 ,  H04J14/0282

    Abstract: Provided are a passive optical network reach extender based on a wavelength tunable optical module and a method thereof. According to an embodiment of the invention, a passive optical network reach extender includes a first optical splitter configured to receive an optical signal from an optical line terminal and split the signal into optical signals having a multiplexed wavelength, a wavelength tunable remote relay configured to receive the optical signals split from the first optical splitter, and select and control an available wavelength for each port, a wavelength multiplexer configured to multiplex a wavelength of the optical signal output from the wavelength tunable remote relay, and a second optical splitter configured to split the optical signal multiplexed by the wavelength multiplexer into a plurality of optical network units.

    Abstract translation: 提供了一种基于波长可调光学模块的无源光网络扩展器及其方法。 根据本发明的实施例，无源光网络扩展器包括：第一光分路器，被配置为从光线路终端接收光信号，并将信号分离成具有复用波长的光信号，波长可调远程继电器被配置为接收 所述光信号从所述第一光分路器分离，并且选择和控制每个端口的可用波长;波长多路复用器，被配置为复用从所述波长可调谐远程继电器输出的光信号的波长;以及第二分光器， 光信号由波长多路复用器复用成多个光网络单元。

    LANE FAULT RECOVERY APPARATUS AND METHOD
    3.
    发明申请
    LANE FAULT RECOVERY APPARATUS AND METHOD 审中-公开
    LANE FAULT RECOVERY设备和方法

    公开(公告)号：US20140078894A1

    公开(公告)日：2014-03-20

    申请号：US13964626

    申请日：2013-08-12

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Kyeong-Eun HAN ,  Eun-Young Cho ,  Tae-Hyun Kwon ,  Sun-Me Kim ,  Jong-Hyun Lee

    IPC: H04L12/24

    CPC classification number: H04L41/0668 ,  H04L1/20 ,  H04L12/413 ,  H04L41/0663 ,  H04L41/0677 ,  H04L43/16

    Abstract: Provided are a multi-lane-based Ethernet lane fault recovery apparatus and method capable of detecting a lane fault separately from a link fault and identifying one or more lanes where the lane fault has occurred. The lane fault recovery apparatus includes a communication unit configured to comprise a plurality of data transmission lanes, distribute data between the plurality of data transmission lanes in response to the receipt of a control command and photoelectrically convert the data; and a connection processing unit configured to detect the occurrence of a fault from the plurality of data transmission lanes, exclude one or more faulty lanes where the fault has occurred from the plurality of data transmission lanes and transmit the data via the rest of the data transmission lanes that are available for use. The connection processing unit may be further configured to transmit data via a switched backup link.

    Abstract translation: 提供了一种基于多通道的以太网通道故障恢复装置和方法，其能够从链路故障中分别检测车道故障并识别发生车道故障的一个或多个车道。 车道故障恢复装置包括：通信单元，被配置为包括多个数据传输通道，响应于接收到控制命令而在多个数据传输通道之间分配数据并对数据进行光电转换; 以及连接处理单元，被配置为从所述多个数据传输通道中检测故障的发生，从所述多个数据传输通道中排除出现故障已经发生的一个或多个故障通道，并且经由所述数据传输的其余部分发送所述数据 车道可供使用。 连接处理单元可以进一步被配置为经由切换备用链路来传输数据。

    PROCESSOR TIME SYNCHRONIZATION APPARATUS AND METHOD IN DATA COMMUNICATION SYSTEM WITH MULTIPLE PROCESSORS AND LINE INTERFACES
    4.
    发明申请
    PROCESSOR TIME SYNCHRONIZATION APPARATUS AND METHOD IN DATA COMMUNICATION SYSTEM WITH MULTIPLE PROCESSORS AND LINE INTERFACES 有权
    具有多个处理器和线路接口的数据通信系统中的处理器时间同步装置和方法

    公开(公告)号：US20140298070A1

    公开(公告)日：2014-10-02

    申请号：US14083561

    申请日：2013-11-19

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Bup-Joong KIM ,  Tae-Sik CHEUNG ,  Bheom-Soon JOO ,  Jong-Hyun Lee

    IPC: G06F1/12

    CPC classification number: H04J3/0697 ,  H04J3/0667 ,  H04N21/4302

    Abstract: A processor time synchronization apparatus and method in a data communication system which includes a plurality of processors and line interfaces. The processor time synchronization apparatus includes a first local processor configured to recognize a time difference between an external device and the system based on a time message exchanged with the external device, and synchronize time between the external device and the system, and a second local processor configured to receive time information from the first local processor that has been time-synchronized with the external device, the time information containing the time difference between the external device and the system, and synchronize the first local processor with a system's internal time using the received time information.

    Abstract translation: 一种包括多个处理器和线路接口的数据通信系统中的处理器时间同步装置和方法。 处理器时间同步装置包括：第一本地处理器，被配置为基于与外部设备交换的时间消息来识别外部设备与系统之间的时间差，并且同步外部设备与系统之间的时间;以及第二本地处理器 被配置为从与所述外部设备时间同步的所述第一本地处理器接收时间信息，所述时间信息包含所述外部设备和所述系统之间的时间差，并且使用所接收到的所述第一本地处理器与系统的内部时间同步 时间信息。

    METHOD OF RECOVERING FAULT IN MULTILAYER NETWORK AND APPARATUS THEREOF
    5.
    发明申请
    METHOD OF RECOVERING FAULT IN MULTILAYER NETWORK AND APPARATUS THEREOF 审中-公开
    在多层网络中恢复故障的方法及其设备

    公开(公告)号：US20140198635A1

    公开(公告)日：2014-07-17

    申请号：US14014451

    申请日：2013-08-30

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Kyeong-Eun HAN ,  Sun-Me KIM ,  Tae-Hyun KWON ,  Tae-Il KIM ,  Jong-Hyun Lee

    IPC: H04L12/703 ,  H04L12/723

    CPC classification number: H04L45/28 ,  H04L45/04 ,  H04L45/50

    Abstract: A method of recovering a fault in a multilayer network and an apparatus thereof are provided, the method including obtaining lower layer backup path setting information through a signaling message that is used for a label based path setting, setting a backup path at a lower layer based on the obtained lower layer backup path setting information, and upon detecting a fault at the lower layer, performing a protection switching through the set backup path at the lower layer.

    Abstract translation: 提供了一种恢复多层网络中的故障的方法及其装置，所述方法包括：通过用于基于标签的路径设置的信令消息获取下层备份路径设置信息，基于下层设置备用路径 在获取的下层备份路径设置信息中，并且在检测到较低层的故障时，通过下层的设置备份路径执行保护切换。

    Processor time synchronization apparatus and method in data communication system with multiple processors and line interfaces
    6.
    发明授权
    Processor time synchronization apparatus and method in data communication system with multiple processors and line interfaces 有权
    具有多个处理器和线路接口的数据通信系统中的处理器时间同步装置和方法

    公开(公告)号：US09490926B2

    公开(公告)日：2016-11-08

    申请号：US14083561

    申请日：2013-11-19

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Bup-Joong Kim ,  Tae-Sik Cheung ,  Bheom-Soon Joo ,  Jong-Hyun Lee

    IPC: G06F1/12 ,  H04J3/06 ,  H04N21/43

    CPC classification number: H04J3/0697 ,  H04J3/0667 ,  H04N21/4302

    Abstract: A processor time synchronization apparatus and method in a data communication system which includes a plurality of processors and line interfaces. The processor time synchronization apparatus includes a first local processor configured to recognize a time difference between an external device and the system based on a time message exchanged with the external device, and synchronize time between the external device and the system, and a second local processor configured to receive time information from the first local processor that has been time-synchronized with the external device, the time information containing the time difference between the external device and the system, and synchronize the first local processor with a system's internal time using the received time information.

    Abstract translation: 一种包括多个处理器和线路接口的数据通信系统中的处理器时间同步装置和方法。 处理器时间同步装置包括：第一本地处理器，被配置为基于与外部设备交换的时间消息来识别外部设备与系统之间的时间差，并且同步外部设备与系统之间的时间;以及第二本地处理器 被配置为从与所述外部设备时间同步的所述第一本地处理器接收时间信息，所述时间信息包含所述外部设备和所述系统之间的时间差，并且使用所接收到的所述第一本地处理器与系统的内部时间同步 时间信息。

    PASSIVE OPTICAL NETWORK REACH EXTENDER BASED ON WAVELENGTH TUNABLE OPTICAL MODULE AND METHOD THEREOF
    8.
    发明申请
    PASSIVE OPTICAL NETWORK REACH EXTENDER BASED ON WAVELENGTH TUNABLE OPTICAL MODULE AND METHOD THEREOF 有权
    基于波长可调光模块的被动光网络扩展器及其方法

    公开(公告)号：US20140186043A1

    公开(公告)日：2014-07-03

    申请号：US13974842

    申请日：2013-08-23

    Applicant: Electronics and Telecommunications Research Institute

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

    IPC: H04B10/29

    CPC classification number: H04B10/29 ,  H04J14/0247 ,  H04J14/0252 ,  H04J14/0282

    Abstract: Provided are a passive optical network reach extender based on a wavelength tunable optical module and a method thereof. According to an embodiment of the invention, a passive optical network reach extender includes a first optical splitter configured to receive an optical signal from an optical line terminal and split the signal into optical signals having a multiplexed wavelength, a wavelength tunable remote relay configured to receive the optical signals split from the first optical splitter, and select and control an available wavelength for each port, a wavelength multiplexer configured to multiplex a wavelength of the optical signal output from the wavelength tunable remote relay, and a second optical splitter configured to split the optical signal multiplexed by the wavelength multiplexer into a plurality of optical network units.

    Abstract translation: 提供了一种基于波长可调光学模块的无源光网络扩展器及其方法。 根据本发明的实施例，无源光网络扩展器包括：第一光分路器，被配置为从光线路终端接收光信号，并将信号分离成具有复用波长的光信号，波长可调远程继电器被配置为接收 所述光信号从所述第一光分路器分离，并且选择和控制每个端口的可用波长;波长多路复用器，被配置为复用从所述波长可调谐远程继电器输出的光信号的波长;以及第二分光器， 光信号由波长多路复用器复用成多个光网络单元。

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