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1. 发明申请

US20110255860A1 FAULT LOCALIZATION METHOD AND A FAULT LOCALIZATION APPARATUS IN A PASSIVE OPTICAL NETWORK AND A PASSIVE OPTICAL NETWORK HAVING THE SAME 审中-公开
标题翻译：无源光网络中的故障本地化方法和故障本地化设备及其相应的被动光网络
公开(公告)号：US20110255860A1
公开(公告)日：2011-10-20
申请号：US13123211
申请日：2009-10-09
申请人： Chang-Hee Lee , Jong-Hoon Lee , Ki-Man Choi , Sil-Gu Mun , Jung-Hyung Moon , Jung-eun Moon , Hoon-Keun Lee , Joon-Young Kim , Sang-Min Oh
发明人： Chang-Hee Lee , Jong-Hoon Lee , Ki-Man Choi , Sil-Gu Mun , Jung-Hyung Moon , Jung-eun Moon , Hoon-Keun Lee , Joon-Young Kim , Sang-Min Oh
IPC分类号： H04B10/08 , H04B17/00
CPC分类号： H04B10/0771 , G01M11/3136 , H04B10/071
摘要： The present invention discloses a fault localization method and a fault localization apparatus in a Passive Optical Network (PON) and a passive optical network having the same.A fault localization method in PON according to the present invention comprises a) configuring an optical path of a remote node (RN) selectively by electric power being fed temporarily only when necessary, while the PON is regularly being operated as a passive network; and b) detecting a fault occurring on the selectively configured optical path by inserting a monitoring signal of an OTDR unit, which is positioned in a central office (CO), through the selectively configured optical path.
摘要翻译：本发明公开了一种无源光网络（PON）中的故障定位方法和故障定位装置以及具有该故障定位方法的无源光网络。根据本发明的PON中的故障定位方法包括：a）通过仅在需要时临时馈送的电力来选择性地配置远程节点（RN）的光路，同时PON被定期地作为被动网络操作; 以及b）通过选择性地配置的光路插入位于中心局（CO）中的OTDR单元的监视信号来检测选择性配置的光路上发生的故障。

2. 发明申请

US20100290782A1 REMOTE NODE CONFIGURATION FOR PROVIDING UPGRADED SERVICES IN A PASSIVE OPTICAL NETWORK AND A PASSIVE OPTICAL NETWORK HAVING THE SAME 审中-公开
标题翻译：用于在被动光网络中提供升级服务的远程节点配置和具有相同功能的被动光网络
公开(公告)号：US20100290782A1
公开(公告)日：2010-11-18
申请号：US12681551
申请日：2007-10-10
申请人： Chang-Hee Lee , Jong-Hoon Lee , Ki-Man Choi , Sil-Gu Mun , Jung-Hyung Moon , Hoon-Keun Lee
发明人： Chang-Hee Lee , Jong-Hoon Lee , Ki-Man Choi , Sil-Gu Mun , Jung-Hyung Moon , Hoon-Keun Lee
IPC分类号： H04J14/00 , H04L12/28
CPC分类号： H04B10/807 , H04B10/272 , H04J14/0282 , H04Q11/0005 , H04Q11/0067 , H04Q2011/0009 , H04Q2011/0015 , H04Q2011/0069 , H04Q2011/0079 , H04Q2011/0081
摘要： The present invention discloses a remote node (RN) configuration for providing an enhanced service in a passive optical network and a passive optical network (PON) having the same. In an RN configuration for providing a new service in a PON according to the present invention, it is possible to configure the RN remotely by instantaneous powering from a remote site only when necessary, while the RN being operated as a PON at ordinary times. More specifically, an RN configuration for providing a new service in a PON according to the present invention includes a power generation block capable of providing energy necessary for activating the RN by instantaneously supplied power from the remote site. Further, an RN according to the present invention further includes either one or both of a control agent block capable of controlling and managing optical paths of the RN by using power generated from the power generation block; and a reconfigurable switching block capable of configuring and switching the optical path of the RN through the power being provided from the power generation block and a control by the control agent block.
摘要翻译：本发明公开了一种用于在无源光网络中提供增强业务的远程节点（RN）配置和具有该远程节点（RN）的无源光网络（PON）。在根据本发明的用于在PON中提供新服务的RN配置中，可以仅在必要时从远程站点通过即时供电来远程配置RN，而RN在正常时间作为PON操作。更具体地，根据本发明的用于在PON中提供新业务的RN配置包括能够提供通过从远程站点的即时提供的功率来激活RN所需的能量的发电块。此外，根据本发明的RN还包括能够通过使用从发电块产生的电力来控制和管理RN的光路的控制代理块中的一个或两个; 以及能够通过从发电块提供的功率和由控制代理块的控制来配置和切换RN的光路的可重构切换块。

3. 发明授权

US07773838B2 Method and network architecture for upgrading legacy passive optical network to wavelength division multiplexing passive optical network based next-generation passive optical network 有权
标题翻译：将传统无源光网络升级为波分复用无源光网络的下一代无源光网络的方法和网络架构
公开(公告)号：US07773838B2
公开(公告)日：2010-08-10
申请号：US12513741
申请日：2006-11-14
申请人： Chang-Hee Lee , Ki-Man Choi , Sil-Gu Mun , Jung-Hyung Moon , Hoon-Keun Lee
发明人： Chang-Hee Lee , Ki-Man Choi , Sil-Gu Mun , Jung-Hyung Moon , Hoon-Keun Lee
IPC分类号： G02B6/28
CPC分类号： H04J14/02 , H04J14/0201 , H04J14/0226 , H04J14/0227 , H04J14/0247 , H04J14/0252 , H04J14/0282 , H04J2014/0253
摘要： The present invention discloses a network architecture for upgrading a legacy time division multiplexing-passive optical network (TDM-PON) to a wavelength division multiplexing-passive optical network (WDM-PON) based next-generation passive optical network (next-generation PON), wherein the legacy TDM-PON comprises: a central office (CO) having a first optical line termination (OLT); a remote node (RN) having a splitter; a single mode fiber (SMF) connecting the first OLT and the splitter; and a first group of one or more optical network terminations (ONTs) being connected to the splitter by a first group of one or more distribution fibers, and wherein the network architecture further comprises: in case that the next-generation PON is a WDM-PON, a first apparatus for combining and splitting wavelength bands being positioned between the SMF and the first OLT, in order to add a second OLT to be used for the WDM-PON within the CO or within another CO which is located in a position different from the CO, while sharing the SMF; a second apparatus for combining and splitting wavelength bands being positioned at a front terminal of the splitter; and an arrayed waveguide grating (AWG) being connected to the second apparatus for combining and splitting wavelength bands within the RN, and being connected to a second group of one or more ONTs by a second group of one or more distribution fibers within the RN or within another RN which is located in a position different from the RN.
摘要翻译：本发明公开了一种用于将传统时分复用无源光网络（TDM-PON）升级为基于波分多路复用无源光网络（WDM-PON）的下一代无源光网络（下一代PON）的网络架构，，其中所述传统TDM-PON包括：具有第一光线路终端（OLT）的中心局（CO）; 具有分离器的远程节点（RN）; 连接第一OLT和分离器的单模光纤（SMF）; 以及由第一组一个或多个分配光纤连接到分离器的第一组一个或多个光网络终端（ONT），并且其中所述网络架构还包括：在下一代PON是WDM- PON是用于组合和分离位于SMF和第一OLT之间的波长带的第一装置，以便添加用于CO内的WDM-PON或位于不同位置的另一CO内的WDM-PON的第二OLT 从CO共享SMF; 用于组合和分离位于分离器的前端的波长带的第二装置; 和连接到第二装置的阵列波导光栅（AWG），用于组合和分离RN内的波段，并且由RN内的一个或多个分配光纤的第二组连接到一个或多个ONT的第二组，或者位于与RN不同的位置的另一RN内。

4. 发明申请

US20100054740A1 METHOD AND NETWORK ARCHITECTURE FOR UPGRADING LEGACY PASSIVE OPTICAL NETWORK TO WAVELENGTH DIVISION MULTIPLEXING PASSIVE OPTICAL NETWORK BASED NEXT-GENERATION PASSIVE OPTICAL NETWORK 有权
标题翻译：用于将LEGACY被动光网络升级为波长段的方法和网络架构多路复用基于无源光网络的下一代被动光网络
公开(公告)号：US20100054740A1
公开(公告)日：2010-03-04
申请号：US12513741
申请日：2006-11-14
申请人： Chang-Hee Lee , Ki-Man Choi , Sil-Gu Mun , Jung-Hyung Moon , Hoon-Keun Lee
发明人： Chang-Hee Lee , Ki-Man Choi , Sil-Gu Mun , Jung-Hyung Moon , Hoon-Keun Lee
IPC分类号： H04J14/00 , H04J14/08 , H04J14/02
CPC分类号： H04J14/02 , H04J14/0201 , H04J14/0226 , H04J14/0227 , H04J14/0247 , H04J14/0252 , H04J14/0282 , H04J2014/0253
摘要： The present invention discloses a network architecture for upgrading a legacy time division multiplexing-passive optical network (TDM-PON) to a wavelength division multiplexing-passive optical network (WDM-PON) based next-generation passive optical network (next-generation PON), wherein the legacy TDM-PON comprises: a central office (CO) having a first optical line termination (OLT); a remote node (RN) having a splitter; a single mode fiber (SMF) connecting the first OLT and the splitter; and a first group of one or more optical network terminations (ONTs) being connected to the splitter by a first group of one or more distribution fibers, and wherein the network architecture further comprises: in case that the next-generation PON is a WDM-PON, a first apparatus for combining and splitting wavelength bands being positioned between the SMF and the first OLT, in order to add a second OLT to be used for the WDM-PON within the CO or within another CO which is located in a position different from the CO, while sharing the SMF; a second apparatus for combining and splitting wavelength bands being positioned at a front terminal of the splitter; and an arrayed waveguide grating (AWG) being connected to the second apparatus for combining and splitting wavelength bands within the RN, and being connected to a second group of one or more ONTs by a second group of one or more distribution fibers within the RN or within another RN which is located in a position different from the RN.
摘要翻译：本发明公开了一种用于将传统时分复用无源光网络（TDM-PON）升级为基于波分多路复用无源光网络（WDM-PON）的下一代无源光网络（下一代PON）的网络架构，，其中所述传统TDM-PON包括：具有第一光线路终端（OLT）的中心局（CO）; 具有分离器的远程节点（RN）; 连接第一OLT和分离器的单模光纤（SMF）; 以及由第一组一个或多个分配光纤连接到分离器的第一组一个或多个光网络终端（ONT），并且其中所述网络架构还包括：在下一代PON是WDM- PON是用于组合和分离位于SMF和第一OLT之间的波长带的第一装置，以便添加用于CO内的WDM-PON或位于不同位置的另一CO内的WDM-PON的第二OLT 从CO共享SMF; 用于组合和分离位于分离器的前端的波长带的第二装置; 和连接到第二装置的阵列波导光栅（AWG），用于组合和分离RN内的波段，并且由RN内的一个或多个分配光纤的第二组连接到一个或多个ONT的第二组，或者位于与RN不同的位置的另一RN内。

5. 发明申请

US20120213519A1 TRANSMISSION DEVICE OF A LOW-NOISE OPTICAL SIGNAL HAVING A LOW-NOISE MULTI-WAVELENGTH LIGHT SOURCE, A TRANSMISSION DEVICE OF BROADCAST SIGNALS USING A LOW-NOISE MULTI-WAVELENGTH LIGHT SOURCE, AND AN OPTICAL ACCESS NETWORK HAVING THE SAME 审中-公开
标题翻译：具有低噪声多波长光源的低噪声光信号的传输装置，使用低噪声多波长光源的广播信号的传输装置，以及具有该低信噪比的光接入网络
公开(公告)号：US20120213519A1
公开(公告)日：2012-08-23
申请号：US13201193
申请日：2010-02-12
申请人： Chang-Hee Lee , Joon-Young Kim , Jong-Hoon Lee , Sil-Gu Mun , Jung-Hyung Moon , Hoon-Keun Lee , Sang-Min Oh , Sang-Rok Mun
发明人： Chang-Hee Lee , Joon-Young Kim , Jong-Hoon Lee , Sil-Gu Mun , Jung-Hyung Moon , Hoon-Keun Lee , Sang-Min Oh , Sang-Rok Mun
IPC分类号： H04J14/02
CPC分类号： H04B10/506
摘要： The present invention discloses a transmission device of a low-noise optical signal having a low-noise multi-wavelength light source, a transmission device of broadcast signals using a low-noise multi-wavelength light source, and an optical access network having the same.The present invention uses a low-noise multi-wavelength light source (LMLS) which has sufficiently low noises at respective wavelengths, while being lasing at a multi-wavelength. Noises at respective wavelengths are not increased, even though an output light of such an LMLS passes through a wavelength division multiplexer/demultiplexer (a tunable optical filter or an arrayed waveguide grating (AWG), etc.). When using an LMLS, it is possible to embody an optical access network capable of transmitting optical signals at a high-speed and simultaneously transmitting a multicast signal. Further, when embodying an optical amplifier by using a gain medium for an LMLS, it is possible to obtain gain at a broad band without cross-coupling.
摘要翻译：本发明公开了一种具有低噪声多波长光源的低噪声光信号的发送装置，使用低噪声多波长光源的广播信号的发送装置，以及具有该多个波长的光接收网络的光接入网。本发明使用在各波长处具有足够低噪声的低噪声多波长光源（LMLS），同时以多波长发射。即使这种LMLS的输出光通过波分多路复用器/解复用器（可调光滤波器或阵列波导光栅（AWG）等），各波长处的噪声也不会增加。当使用LMLS时，可以实现能够以高速传输光信号并且同时发送多播信号的光接入网络。此外，当通过使用用于LMLS的增益介质来实现光放大器时，可以在没有交叉耦合的情况下获得宽带的增益。

6. 发明申请

US20120106965A1 OPTICAL SOURCE FOR WAVELENGTH DIVISION MULTIPLEXED OPTICAL NETWORK CAPABLE OF HIGH-SPEED TRANSMISSION OF AN OPTICAL SIGNAL BY USING UN-POLARIZED LIGHT SOURCE AND A WAVELENGTH DIVISION MULTIPLEXED-PASSIVE OPTICAL NETWORK HAVING THE SAME 审中-公开
标题翻译：用于波长段多光复用光网络的光源可以通过使用非极化光源和波长段多光复用光网络高速传输光信号
公开(公告)号：US20120106965A1
公开(公告)日：2012-05-03
申请号：US13318318
申请日：2010-04-23
申请人： Chang-Hee Lee , Sil-Gu Mun , Hoon-Keun Lee , Joon-Young Kim
发明人： Chang-Hee Lee , Sil-Gu Mun , Hoon-Keun Lee , Joon-Young Kim
IPC分类号： H04J14/02 , G02B6/293
CPC分类号： H04B10/506 , H04J14/0282
摘要： An optical source for wavelength division multiplexed optical network according to the present invention comprises a broadband light source (BLS); an arrayed waveguide grating (AWG) for spectrum-dividing incoherent light outputted from the BLS; a circulator being connected between the BLS and the AWG; and a plurality of un-polarized light sources (UPLS) being respectively connected to the AWG, wherein the incoherent light which is spectrum-divided by the AWG is injected into the plurality of UPLS and thus the plurality of UPLS is wavelength-locked thereto. In case of using an optical source for wavelength division multiplexed optical network and a wavelength division multiplexed-passive optical network having the same according to the present invention. It is especially possible to lower dramatically the power of incoherent light being injected into a wavelength-locked Fabry-Perot laser diode, while to enable a high transmission speed of 1.25 Gb/s or more, and possible to further lower noise intensity of a light source at given power of the incoherent light.
摘要翻译：根据本发明的用于波分复用光网络的光源包括宽带光源（BLS）; 用于对从BLS输出的非相干光进行光谱分割的阵列波导光栅（AWG）; 连接在BLS和AWG之间的循环器; 以及分别连接到AWG的多个非偏振光源（UPLS），其中由AWG分频的非相干光被注入到多个UPLS中，因此多个UPLS被波长锁定。在使用根据本发明的用于波分复用光网络的光源和具有该光源的波分复用无源光网络的情况下。特别是可以显着降低注入波长锁定法布里 - 珀罗激光二极管的非相干光的功率，同时实现1.25Gb / s以上的高传输速度，并且可以进一步降低光的噪声强度源于非相干光的给定功率。

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