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    • 1. 发明公开
    • WDM-PON기반의 중계장치
    • WDM-PON重复设备
    • KR1020110071372A
    • 2011-06-29
    • KR1020090127926
    • 2009-12-21
    • 주식회사 케이티
    • 윤호성김진희
    • H04B10/291H04B10/2581
    • H04Q11/0067H04B10/2912H04J14/02
    • PURPOSE: A relay equipment based on an WDM- PON(Wavelength Division Multiplexing-Passive Optical Network) is provided to process the long distance transmission of the seed light source for wavelength-locked. CONSTITUTION: A seed light source generating unit(240) creates the seed light used as a light source for a wavelength locking of an upward signal light transmitted from a subscriber side. A second light combination unit(230) is input a downward signal light amplified in a primary amplification section and the seed light created in the seed light source generating unit. A second light combination unit transmits the inputted lights to the subscriber side. A second optical coupling part outputs the upward signal light which is input from the subscriber side. A second amplifier(212) amplifies the upward signal light outputted from the second light combination unit.
    • 目的:提供基于WDM-PON(波分复用无源光网络)的中继设备,用于处理波长锁定的种子光源的长距离传输。 构成:种子光源生成单元(240)产生用作从用户侧发射的向上信号光的波长锁定的光源的种子光。 第二光组合单元(230)输入在初级放大部分中放大的向下信号光和在种子光源产生单元中产生的种子光。 第二光组合单元将输入的光发送到用户侧。 第二光耦合部输出从用户侧输入的上行信号光。 第二放大器(212)放大从第二光合成单元输出的向上信号光。
    • 2. 发明公开
    • 시분할 다중 수동형 광통신망 및 그의 경로 차이 보상 방법
    • 时分多路无源光网络及其路由差异补偿方法
    • KR1020100116961A
    • 2010-11-02
    • KR1020090035652
    • 2009-04-23
    • 주식회사 케이티
    • 김종안윤호성
    • H04B10/032H04B10/2581H04J14/08
    • PURPOSE: A time division multiple passive optical network and a compensation method thereof for a route difference are provided to compensate for a distance difference in order to eliminate an effect of the TDM(Time Division Multiple) PON(Passive Optical Network) pulse ranging by the distance difference between operation routes. CONSTITUTION: A distance compensating unit(100) creates a route distance difference for a normalization of the distance of a plurality of routes. According to the route distance difference, the distance compensating unit processes distance compensation. A COT(Central Office Terminal)(200) receives an upward signal transmitted from an ONT(Optical Network Terminator). The COT transmits the upward signal to the distance compensating unit. The COT receives the compensated upward signal described above from the distance compensating unit. The COT transmits the upward signal to the OLT(Optical Line Terminal).
    • 目的:提供一种用于路由差分的时分多址无源光网络及其补偿方法,以补偿距离差,以消除由(...)的TDM(时分多址)PON(被动光网络)脉冲的影响 操作路线之间的距离差。 构成:距离补偿单元(100)创建用于多个路线的距离的归一化的路线距离差。 根据路线距离差,距离补偿单元处理距离补偿。 COT(中心局终端)(200)接收从ONT(Optical Network Terminator)发送的上行信号。 COT将上行信号发送到距离补偿单元。 COT从距离补偿单元接收上述补偿的上行信号。 COT向OLT(光线路终端)发送上行信号。
    • 3. 发明授权
    • WDM/TDM 복합 광 네트워크
    • WDM / TDM混合光网络
    • KR100979365B1
    • 2010-08-31
    • KR1020070056035
    • 2007-06-08
    • 주식회사 케이티
    • 윤호성김종안박형진김진희강대경
    • H04B10/2581H04B10/29
    • 본 발명은 시분할 다중화 수동형 광 네트워크(TDM-PON, time division multiplexing-passive optical network)를 파장분할 다중화(WDM, wavelength division multiplexing) 기법과 결합한 복합 광 네트워크의 구조를 개시한다.
      본 발명의 WDM/TDM 복합 광 네트워크는 제 1 WDM 광 송수신기로부터 수신한 하향 WDM 개별 파장 광 신호를 파장 결합시켜 하향 WDM 광 신호를 발생시키는 제 1 WDM 파장 분기 결합기를 포함하는 OLT(optical line terminal); 하향 WDM 광 신호를 하향 TDM 광 신호로 변환시키는 WDM-TDM 변환 장치; 하향 TDM 광 신호를 파워 분기 시키는 광 스플리터(splitter); 및 광 스플리터로부터 파워 분기된 하향 TDM 광 신호를 수신하는 ONT(optical nerwork termination)를 포함하는 WDM/TDM 복합 광 네트워크 장치이다. 본 발명의 WDM/TDM 복합 광 네트워크는 종래의 TDM-PON에 비하여 전송거리와 분기율이 증대되어, 네트워크의 구축 비용과 운용 비용을 크게 낮추는 효과가 있다.
      WDM, TDM, 광 송수신기, 광 분기결합기, 광 네트워크, 감시, 파장 무의존적 광원, 시드광원, 선로 이중화 기능, 스위치, 변환.
    • 6. 发明公开
    • 펄스 부호화 가변 OTDR을 이용한 WDM-PON의 광선로 감시 장치 및 그 감시 방법
    • 使用探针脉冲编码方式ODM的WDM-PON的在线监测系统和方法
    • KR1020080060709A
    • 2008-07-02
    • KR1020060135137
    • 2006-12-27
    • 주식회사 케이티
    • 윤호성김진희변재오서지민박남규이정환
    • H04B10/071H04B10/2581H04L12/24
    • An in-line monitoring system and method for a WDM-PON(Wavelength Division Multiplexed-Passive Optical Network) using pulse coding variable OTDR(Optical Time Domain Reflectometry) are provided to use coded monitoring light pulse as OTDR monitoring light, thereby holding network communication stably and reliably and monitoring the defect of a network economically and efficiently. An in-line monitoring system for a WDM-PON comprises a channel detecting unit(100), a wavelength variable OTDR, and a WDM coupler(300). The channel detecting unit monitors the status of each channel to detect a defective channel and output information about the defective channel. The wavelength variable OTDR codes monitoring light that the wavelength of a wavelength variable laser is changed according to the defective channel information from the channel detecting unit, generates and outputs a coded monitoring light pulse, decodes and analyzes the coded monitoring light which turns back after being transmitted down, and analyzes the status of the defective channel and a corresponding line. The WDM coupler transmits the monitoring light pulse coded from the wavelength variable OTDR down, and transmits the coded monitoring light pulse, which turns back after being transmitted down, to the wavelength variable OTDR.
    • 提供了使用脉冲编码变量OTDR(Optical Time Domain Reflectometry)的WDM-PON(波分复用无源光网络)的在线监视系统和方法,使用编码监视光脉冲作为OTDR监视光,由此保持网络通信 稳定可靠地经济高效地监控网络的缺陷。 用于WDM-PON的在线监测系统包括信道检测单元(100),波长变量OTDR和WDM耦合器(300)。 信道检测单元监视每个信道的状态以检测缺陷信道并输出关于缺陷信道的信息。 波长变量OTDR编码监视波长可变激光器的波长根据来自信道检测单元的缺陷信道信息而改变的光,生成并输出编码的监视光脉冲,对经过编码的监视光进行解码和分析, 向下传输,分析缺陷通道的状态和相应的行。 WDM耦合器将从波长变量OTDR编码的监视光脉冲向下发送,并将经过向下传送回来的编码监视光脉冲发送到波长变量OTDR。
    • 7. 发明授权
    • 멀티모드로 동작하는 WDM-PON 전송수렴장치
    • 用于多模式操作的WDM-PON传输融合设备
    • KR100824146B1
    • 2008-04-21
    • KR1020060110891
    • 2006-11-10
    • 주식회사 케이티
    • 김종안정해윤호성김진희강대경
    • H04B10/2581H04L12/28H04L29/06
    • H04J14/0227
    • A WDM-PON(Wavelength-Division Multiplexing-Passive Optical Network) transmission convergence apparatus being operated in multi modes is provided to offer alarm information and an OAM function through information about a header included in a frame, thereby transmitting signals stably and using WDM transmission capability efficiently according to transmission band setting for the capability of WDM-PON. An MAC(Media Access Control) layer(100) receives each of subscriber transmission signals. A transmission convergence layer(200) bypasses the each of the subscriber transmission signals received from the MAC layer or maps the subscriber transmission signals on each instinct frame to perform optical to electrical conversion or electrical to optical conversion, and performs the transmission rate matching and transmission band determination of a converted output signal, and performs OAM(Operations, Administration and Maintenance). A PMD(Physical Media Dependent)(300) layer receives the output signal processed in the transmission convergence layer to receives the whole or a part of the output signal as a wavelength or match each of different signals in each wavelength and the output signal to output the output signal.
    • 提供以多种模式操作的WDM-PON(波分复用无源光网络)传输会聚装置,通过关于帧中包含的报头的信息提供报警信息和OAM功能,从而稳定地发送信号并使用WDM传输 根据WDM-PON能力的传输频带设置,能够有效地实现能力。 MAC(媒体访问控制)层(100)接收每个用户传输信号。 传输汇聚层(200)绕过从MAC层接收的每个用户传输信号,或者在每个本体帧上映射用户传输信号,以执行光到电转换或电到光转换,并执行传输速率匹配和传输 确定转换的输出信号,并执行OAM(操作,管理和维护)。 PMD(物理媒体相关)(300)层接收在传输会聚层中处理的输出信号,以接收输出信号的全部或一部分作为波长或匹配每个波长中的每个不同信号,并输出输出信号 输出信号。
    • 8. 发明授权
    • 파장 무의존 광원을 채용한 광송수신장치
    • 具有波长独立光源的波长收发器
    • KR100758106B1
    • 2007-09-11
    • KR1020060093508
    • 2006-09-26
    • 주식회사 케이티
    • 윤호성김진희김종안
    • H04B10/40H04B10/2581
    • H04B10/40H01S5/06837H04B10/27H04J14/02
    • An optical transceiving device employing a wavelength independent light source is provided to use an access structure with a WDM(Wavelength Division Multiplexing) system of an existing optical transceiving device, as it is, thereby employing the wavelength independent light source as maintaining compatibility with the existing optical transceiving device. A wavelength independent light source(12) varies a wavelength of light according to injection light to output the varied light. A transmission light detector(14) measures transmission light output of the light source(12), and outputs the measured value. A light source driver(11) drives the light source(12) according to the measured value and a differential signal received from a WDM system. A temperature controller(15) controls so that temperature of the light source(12) is regularly maintained. An external power monitor(16) monitors changes of external power supplied for operation of the controller(15) apart from internal power supplied through a standard interface. A controller(22) receives information on an output state of the light source(12) from the driver(11) as receiving information on a supplied state of the external power from the monitor(16), and sends the state information to the WDM system through the standard interface.
    • 提供采用波长独立光源的光收发装置,以使用具有现有光收发装置的WDM(波分复用)​​系统的接入结构,从而采用与波长无关的光源,以保持与现有光收发装置的兼容性 光收发设备 波长独立光源(12)根据注入光改变光的波长以输出变化的光。 传输光检测器(14)测量光源(12)的透射光输出,并输出测量值。 光源驱动器(11)根据测量值和从WDM系统接收的差分信号驱动光源(12)。 温度控制器(15)控制使得光源(12)的温度被定期地保持。 外部电力监视器(16)除了通过标准接口提供的内部电力之外,监视为控制器(15)的操作提供的外部电力的变化。 控制器(22)从驱动器(11)接收关于光源(12)的输出状态的信息,作为从监视器(16)接收关于外部电源的状态的信息,并将状态信息发送到WDM 系统通过标准接口。