公开(公告)号：US20120163802A1

公开(公告)日：2012-06-28

申请号：US13334147

申请日：2011-12-22

申请人： Kwang-Ok KIM ,  Eun-Gu LEE ,  Eui-Suk JUNG ,  Sang-Soo LEE ,  Tae-Whan YOO

发明人： Kwang-Ok KIM ,  Eun-Gu LEE ,  Eui-Suk JUNG ,  Sang-Soo LEE ,  Tae-Whan YOO

IPC分类号： H04B10/08

CPC分类号： H04B10/032 ,  H04B10/07 ,  H04J14/0223 ,  H04J14/0246 ,  H04J14/0247 ,  H04J14/025 ,  H04J14/0252 ,  H04J14/0265 ,  H04J14/0282 ,  H04J14/0291

摘要： A wavelength division multiplexing (WDM)-time division multiplexing (TDM) passive optical network (PON) remote terminal (RT) is provided. The wavelength division multiplexing (WDM)-time division multiplexing (TDM) passive optical network (PON) remote terminal (RT), includes: a WDM-TDM converter configured to convert a WDM downstream optical signal that is received from a central office terminal (COT) into a TDM downstream optical signal or to convert a TDM upstream optical signal that is received from an optical network terminal (ONT) into a WDM upstream optical signal; an error detector configured to detect an error; and a controller configured to, in response to an error being detected, transmit the WDM upstream optical signal to the COT via a first standby link or transmit the TDM downstream optical signal to the ONT via a second standby link.

摘要翻译： 提供了波分复用（WDM） - 时分复用（TDM）无源光网络（PON）远程终端（RT）。 波分复用（WDM）时分复用（TDM）无源光网络（PON）远程终端（RT）包括：WDM-TDM转换器，被配置为转换从中心局终端接收的WDM下行光信号 COT）转换成TDM下行光信号或将从光网络终端（ONT）接收的TDM上行光信号转换为WDM上行光信号; 错误检测器，被配置为检测错误; 以及控制器，被配置为响应于检测到的错误，经由第一备用链路将所述WDM上行光信号发送到所述COT，或经由第二备用链路将所述TDM下行光信号发送到所述ONT。

公开(公告)号：US20130004165A1

公开(公告)日：2013-01-03

申请号：US13538482

申请日：2012-06-29

申请人： Sil-Gu MUN ,  Eun-Gu LEE ,  Dong-Min SEOL ,  Eui-Suk JUNG ,  Sang-Soo LEE ,  Jeong-Sik CHO

发明人： Sil-Gu MUN ,  Eun-Gu LEE ,  Dong-Min SEOL ,  Eui-Suk JUNG ,  Sang-Soo LEE ,  Jeong-Sik CHO

IPC分类号： H04B10/08

CPC分类号： H04B10/07957 ,  G01J3/513 ,  H04J14/0258 ,  H04J14/0282

摘要： Provided are an automatic wavelength recognition apparatus and method. The automatic wavelength recognition apparatus includes: a division unit receiving a single optical signal and dividing the received optical signal into a plurality of optical signals; a plurality of filter units filtering the optical signals and having different and wavelength-dependent pass characteristics; a plurality of detection units detecting the filtered optical signals and measuring intensities of the detected optical signals; at least one comparison unit comparing outputs of any two of the detection units; and a wavelength determination unit receiving an output of the at least one comparison unit and determining a wavelength of the above single optical signal using a pre-stored look-up table.

摘要翻译： 提供了一种自动波长识别装置和方法。 自动波长识别装置包括：分割单元，接收单个光信号，并将接收的光信号分成多个光信号; 多个滤波器单元对光信号进行滤波并具有不同的和波长相关的通过特性; 多个检测单元，检测经滤波的光信号并测量检测到的光信号的强度; 至少一个比较单元，比较任何两个检测单元的输出; 以及波长确定单元，接收所述至少一个比较单元的输出，并且使用预先存储的查找表来确定上述单个光信号的波长。

公开(公告)号：US20130223796A1

公开(公告)日：2013-08-29

申请号：US13618955

申请日：2012-09-14

申请人： Sil-Gu MUN ,  Jeong-Sik CHO ,  Eun-Gu LEE ,  Eui-Suk JUNG ,  Sang-Soo LEE

发明人： Sil-Gu MUN ,  Jeong-Sik CHO ,  Eun-Gu LEE ,  Eui-Suk JUNG ,  Sang-Soo LEE

IPC分类号： G02B6/34

CPC分类号： H04J14/02

摘要： An Arrayed Waveguide Grating Router (AWGR) for wavelength multiplexing and demultiplexing is provided. According to an aspect, by generating phase differences of a plurality of received optical signals through an arrayed wavelength in which a plurality of waveguides having a predetermined length difference with respect to each other are arranged, and then coupling the optical signals with the different phase differences, wavelength multiplexing and wavelength demultiplexing are simultaneously performed using the maximum constructive interference and/or destructive interference effect of optical signals.

摘要翻译： 提供了一种用于波长复用和解复用的阵列波导光栅路由器（AWGR）。 根据一个方面，通过产生多个接收的光信号的相位差，通过排列波长，其中布置有相对于彼此具有预定长度差的多个波导，然后将光信号与不同的相位差 使用光信号的最大建设性干扰和/或破坏性干扰效应同时执行波长复用和波长解复用。

公开(公告)号：US20130004174A1

公开(公告)日：2013-01-03

申请号：US13538662

申请日：2012-06-29

申请人： Eun-Gu LEE ,  Eui-Suk JUNG ,  Sil-Gu MUN ,  Jie-Hyun LEE ,  Han-Hyub LEE

发明人： Eun-Gu LEE ,  Eui-Suk JUNG ,  Sil-Gu MUN ,  Jie-Hyun LEE ,  Han-Hyub LEE

IPC分类号： H04J14/02

CPC分类号： H04B10/272 ,  H04J14/0246 ,  H04J14/025 ,  H04J14/0252 ,  H04J14/0257 ,  H04J14/0267

摘要： A link setup method for a wavelength-division-multiplexing passive optical network (WDM PON) system. The system includes a service providing device, a local node, and a plurality of subscriber devices. The link setup method includes assigning an initial wavelength for communication between the service providing device and a new subscriber device to be installed in the local node. The assigning of the initial wavelength may be performed as a part of process for activating the subscriber device, and this procedure may be performed between a physical layer of the service providing device and a physical layer of the new subscriber device.

摘要翻译： 一种波分复用无源光网络（WDM PON）系统的链路建立方法。 该系统包括服务提供设备，本地节点和多个订户设备。 链路建立方法包括为服务提供设备和要安装在本地节点中的新用户设备之间的通信分配初始波长。 初始波长的分配可以作为用于激活用户设备的过程的一部分来执行，并且该过程可以在服务提供设备的物理层与新用户设备的物理层之间执行。

公开(公告)号：US20120144214A1

公开(公告)日：2012-06-07

申请号：US13308194

申请日：2011-11-30

申请人： Eun-Gu LEE ,  Jeong-Gook KWON ,  Kyu-Ouk LEE ,  Seung-Hyun CHO ,  Sang-Soo LEE

发明人： Eun-Gu LEE ,  Jeong-Gook KWON ,  Kyu-Ouk LEE ,  Seung-Hyun CHO ,  Sang-Soo LEE

IPC分类号： G06F1/26

CPC分类号： H04L12/2898 ,  H04B10/272 ,  H04B10/808 ,  H04L12/10 ,  H04L12/2834 ,  H04L12/40039 ,  H04L12/40045 ,  H04Q11/0067 ,  H04Q2011/0079 ,  Y02D50/42

摘要： An optical network unit is provided that includes a communication detector configured to detect whether a communication is achieved between the ONU and at least one power source equipment (PSE), and a power controller configured to detect whether the PSE is powered and to control electrical power, which is provided from the PSE, based on at least one of the detection result about whether the communication is achieved between the ONU and the PSE and the detection result about the PSE is powered.

摘要翻译： 提供一种光网络单元，其包括：通信检测器，被配置为检测在ONU与至少一个电源设备（PSE）之间是否实现通信;以及功率控制器，被配置为检测所述PSE是否被供电并且控制电力 基于关于在ONU和PSE之间是否实现通信的检测结果以及关于PSE的检测结果的检测结果中的至少一个被提供给PSE。