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。

公开(公告)号：US20160020868A1

公开(公告)日：2016-01-21

申请号：US14694224

申请日：2015-04-23

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Jie Hyun LEE ,  Heuk PARK ,  Jyung Chan LEE ,  Sang Soo LEE

IPC: H04J14/02

CPC classification number: H04J14/0278 ,  H04B10/272 ,  H04J14/023 ,  H04J14/0241

Abstract: A tunable optical network unit (ONU) for a multi-wavelength passive optical network (MW PON) system and an operation method thereof are provided. The tunable ONU includes a cyclic tunable filter configured to have cyclic wavelength transmission properties that allow all wavelength channels of both a downstream signal and an upstream signal and to vary a wavelength to pass therethrough; a wavelength splitter configured to split an upstream signal wavelength band and a downstream signal wavelength band; a photodetector element configured to detect a downstream signal that is transmitted through the wavelength splitter, passing through the cyclic tunable filter which is aligned to a specific downstream signal wavelength channel; and a tunable transmitter configured to output to the wavelength transmitter an upstream signal of a wavelength channel that is determined based on an aligned downstream signal wavelength channel of the cyclic tunable filter.

Abstract translation: 提供了一种用于多波长无源光网络（MW PON）系统的可调谐光网络单元（ONU）及其操作方法。 可调谐ONU包括循环可调滤波器，其被配置为具有允许下行信号和上行信号的所有波长信道并且使波长变化通过的循环波长传输特性; 波长分离器，被配置为分离上游信号波长带和下游信号波长带; 光检测器元件，被配置为检测通过波长分离器传输的下行信号，通过与特定下行信号波长信道对准的循环可调滤波器; 以及可调谐发射器，被配置为向所述波长发射器输出基于所述循环可调滤波器的对准的下行信号波长信道确定的波长信道的上行信号。

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）。

公开(公告)号：US20150055956A1

公开(公告)日：2015-02-26

申请号：US14469069

申请日：2014-08-26

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Han Hyub LEE ,  Sang Soo LEE

IPC: H04J14/08 ,  H04J14/02 ,  H04B10/27

CPC classification number: H04B10/272 ,  H04B10/671 ,  H04J3/1694

Abstract: Disclosed is a passive optical network system using a time division multiplexing scheme. According to one exemplary embodiment, the passive optical network system includes a plurality of optical network units (ONUs); an optical line terminal (OLT) to be connected to the plurality of ONUs for communication and to transmit and receive an optical signal to and from the plurality of ONUs using a time division multiplexing (TDM) scheme, wherein each of the plurality of ONUs includes a light source that generates an optical signal with a predetermined intensity even in burst-off state; and an optical filter disposed on a receiving path of an optical receiver of the OLT to filter out an optical noise signal received from an ONU in burst-off state among the plurality of ONUs.

Abstract translation: 公开了一种使用时分复用方案的无源光网络系统。 根据一个示例性实施例，无源光网络系统包括多个光网络单元（ONU）; 要连接到用于通信的多个ONU的光线路终端（OLT），并且使用时分复用（TDM）方案向多个ONU发送光信号并从多个ONU接收光信号，其中多个ONU中的每一个包括 即使在爆裂状态下也产生预定强度的光信号的光源; 以及光学滤波器，其设置在所述OLT的光接收器的接收路径上，以在所述多个ONU中的突发关闭状态中滤出从ONU接收的光噪声信号。

公开(公告)号：US20160277142A1

公开(公告)日：2016-09-22

申请号：US15071702

申请日：2016-03-16

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Kyeong Hwan DOO ,  Sang Soo LEE ,  Jun Seong BANG

IPC: H04J14/08 ,  H04B10/27

CPC classification number: H04J14/08 ,  H04B10/27 ,  H04Q11/0001

Abstract: Provided are an Optical Network Unit (ONU) for low latency packet transmission in a Time Division Multiplexing-Passive Optical Network (TDM-PON), a method of operating the ONU, and an apparatus for controlling the ONU. The method includes: receiving, from a base station, first bandwidth allocation information regarding a bandwidth allocated by the base station to a terminal for uplink packet transmission; and transmitting a bandwidth allocation request, which is based on the received first bandwidth allocation information, to an Optical Line Terminal (OLT) before completing packet reception from the base station.

Abstract translation: 提供了一种用于时分复用无源光网络（TDM-PON）中的低延迟分组传输的光网络单元（ONU），操作ONU的方法和用于控制ONU的设备。 该方法包括：从基站接收关于由基站分配给用于上行链路分组传输的终端的带宽的第一带宽分配信息; 以及在从所述基站完成分组接收之前，将基于所接收的第一带宽分配信息的带宽分配请求发送到光线路终端（OLT）。

公开(公告)号：US20160216446A1

公开(公告)日：2016-07-28

申请号：US15005159

申请日：2016-01-25

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Sae Kyoung KANG ,  Heuk PARK ,  Sang Soo LEE

IPC: G02B6/12 ,  G02B6/134

CPC classification number: G02B6/12004 ,  G02B6/4291 ,  G02B2006/12107 ,  G02B2006/12123 ,  G02B2006/12126

Abstract: An apparatus for monitoring an optical signal includes a light absorbing layer formed on an optical waveguide consisting of a core layer and upper and lower cladding layers; and a photodiode comprising electrodes arranged on both the optical waveguide and the light absorbing layer.

Abstract translation: 一种用于监视光信号的装置包括形成在由芯层和上下包层组成的光波导上的光吸收层; 以及光电二极管，包括布置在光波导和光吸收层两者上的电极。

公开(公告)号：US20150215914A1

公开(公告)日：2015-07-30

申请号：US14605278

申请日：2015-01-26

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Seung Hyun CHO ,  Kyeong Hwan DOO ,  Bin Yeong YOON ,  Heuk PARK ,  Sang Soo LEE ,  Jong Hyun LEE

IPC: H04W72/04 ,  H04W28/10 ,  H04L12/721

CPC classification number: H04W28/10 ,  H04L41/0816 ,  H04W24/08

Abstract: A software-defined networking (SDN) method. The SDN method according to an exemplary embodiment may be used in managing and operating SDN-based network resources in an optical communications network, a fixed mobile convergence subscriber network, a wired broadband subscriber network, a distributed mobile communications base station network, etc.

Abstract translation: 一种软件定义网络（SDN）方法。 根据示例性实施例的SDN方法可以用于管理和操作光通信网络中的基于SDN的网络资源，固定移动融合用户网络，有线宽带用户网络，分布式移动通信基站网络等。

公开(公告)号：US20160020867A1

公开(公告)日：2016-01-21

申请号：US14804502

申请日：2015-07-21

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Han Hyub LEE ,  Sang Soo LEE

IPC: H04J14/02 ,  H04B10/079 ,  H04Q11/00

CPC classification number: H04J14/0221 ,  H04J14/0282 ,  H04Q11/0005 ,  H04Q11/0067 ,  H04Q2011/0016

Abstract: A burst-mode optical amplification apparatus and method is provided. The burst-mode optical amplification apparatus includes a gain saturation signal generator configured to generate a gain saturation signal for gain stabilization based on an incoming input optical signal; a wavelength multiplexer configured to wavelength multiplex the incoming input optical signal and the gain saturation signal; and an optical amplifier configured to amplify both the wavelength-multiplexed input optical signal and the wavelength-multiplexed gain saturation signal. The apparatus may further include a time delay module configured to synchronize the input optical signal and the gain saturation signal by delaying the transmission time of the input optical signal, taking into consideration the processing time needed by the gain saturation signal generator to generate the gain saturation signal.

Abstract translation: 提供了一种突发模式光放大装置和方法。 突发模式光放大装置包括：增益饱和信号发生器，被配置为基于输入的光信号产生用于增益稳定的增益饱和信号; 波长多路复用器，被配置为对输入的光信号和增益饱和信号进行波长多路复用; 以及光放大器，被配置为放大波分复用输入光信号和波长复用增益饱和信号。 该装置还可以包括时间延迟模块，其被配置为通过延迟输入光信号的传输时间来同步输入光信号和增益饱和度信号，考虑到增益饱和信号发生器产生增益饱和所需的处理时间 信号。

公开(公告)号：US20150365192A1

公开(公告)日：2015-12-17

申请号：US14740629

申请日：2015-06-16

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Kwang Ok KIM ,  Kyeong Hwan DOO ,  Han Hyub LEE ,  Sang Soo LEE

IPC: H04J14/02

CPC classification number: H04J14/0256 ,  H04J14/0272 ,  H04J14/0282 ,  H04Q11/0067 ,  H04Q2011/0064

Abstract: A method of tuning a wavelength of a tunable ONU in a TWDM-PON is provided. The method includes transmitting a wavelength change request message from a source OLT to request the ONU to change a wavelength thereof from a first wavelength to a second wavelength and in response to the wavelength change request message, transmitting a wavelength change response message from the ONU to the source OLT to indicate whether or not the ONU can change a wavelength thereof. The wavelength change request message is ID information for specifying an ONU that is requested to change a wavelength thereof, and the message may comprise one of the following: system ONU ID, channel ONU ID, and individual ONU ID.

Abstract translation: 提供了一种在TWDM-PON中调谐可调谐ONU的波长的方法。 所述方法包括从源OLT发送波长变化请求消息以请求ONU将其波长从第一波长改变为第二波长，并且响应于波长改变请求消息，将来自ONU的波长变化响应消息发送到 源OLT指示ONU是否可以改变其波长。 波长变化请求消息是用于指定被请求改变其波长的ONU的ID信息，并且该消息可以包括以下之一：系统ONU ID，信道ONU ID和各个ONU ID。

公开(公告)号：US20150230330A1

公开(公告)日：2015-08-13

申请号：US14619521

申请日：2015-02-11

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Jyung Chan LEE ,  Eun Gu LEE ,  Sil Gu MUN ,  Sang Soo LEE

IPC: H05K1/02 ,  H05K3/36

CPC classification number: H05K1/0219 ,  H01P5/028 ,  H05K1/025 ,  H05K2201/0919 ,  H05K2201/09727 ,  H05K2201/09845 ,  H05K2201/10242 ,  Y10T29/49126

Abstract: A board assembly for transmitting a high-speed signal and a method of manufacturing the same. The board assembly may include a submount board, a base board, and a contact member for a signal line. The submount board may include at least one first high-speed signal line formed on the surface thereof. The base board may include the submount board on one part of the upper surface thereof, and at least second high-speed signal line on the other part of the upper surface thereof, wherein the second high-speed signal lines corresponds to the first high-speed signal lines, respectively. The contact member for the signal line may be installed on the side of the submount board, and have an upper portion contacting the first high-speed signal line and a lower portion contacting the second high-speed signal line such that the first high-speed signal line contacts the second high-speed signal line.

Abstract translation: 用于发送高速信号的电路板组件及其制造方法。 板组件可以包括副安装板，基板和用于信号线的接触构件。 副安装板可以包括形成在其表面上的至少一个第一高速信号线。 基板可以在其上表面的一部分上包括副安装板，并且在其上表面的另一部分上包括至少第二高速信号线，其中第二高速信号线对应于第一高速信号线， 速度信号线。 用于信号线的接触构件可以安装在副安装板的侧面上，并且具有接触第一高速信号线的上部和接触第二高速信号线的下部，使得第一高速信号线 信号线接触第二条高速信号线。