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公开(公告)号：KR1020150030098A
公开(公告)日：2015-03-19
申请号：KR1020130109341
申请日：2013-09-11
Applicant: 한국전자통신연구원
IPC: H04B10/40
CPC classification number: H04B10/40 , G02B6/4246 , G02B6/4284
Abstract: 본 발명은 착탈형 광 트랜시버로, 전기 신호를 광신호로 광전변환하여 송신하는 광송신 어셈블리와, 광신호 입력을 전기 신호로 변환하여 출력하는 광 수신 어셈블리를 포함하는 광학부와, 호스트 보드로부터 입력되는 전기 신호를 증폭하여 상기 광송신 어셈블리에 출력하고, 상기 광수신 어셈블리로부터 출력되는 전기 신호를 증폭하여 상기 호스트 보드에 출력하는 보드 전자 회로부를 포함하되, 상기 광학부와 전자 회로부가 각각 별도의 하우징들로 분리 구성되고, 각각의 하우징들에 생성된 결합부들에 의해 광학부와 전자 회로부가 착탈된다.
Abstract translation: 一种可拆卸光收发器包括：光学部件，包括将电信号转换为光信号并传输光信号的光传输组件;以及光接收组件，其将光信号转换为电信号并输出电信号; 以及电子电路基板部，被配置为放大从主板输入的电信号并将放大的电信号输出到光传输组件，并放大从光接收组件输出的电信号，并将放大的电信号输出到主机 板，其中光学部件和电子电路板部分被形成为分别具有壳体，并且光学部件和电子电路部件通过形成在相应壳体上的连接器连接和断开。 因此，光学部件和电子电路板部件可以是可拆卸的，从而可以容易地执行WDM光收发器的生产和安装以及设备管理。
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92.发明公开직교 주파수 분할 다중접속 수동형 광가입자망에서의 상향 대역폭 자원 할당방법 및 데이터 상향 전송방법 审中-实审用于上行带宽仲裁的SUBCARRIER分配方法和在OFDMA-PON中发送上行链路数据的方法
公开(公告)号：KR1020140099764A
公开(公告)日：2014-08-13
申请号：KR1020130012572
申请日：2013-02-04
Applicant: 한국전자통신연구원
CPC classification number: H04L27/2608 , H04L5/0039 , H04L5/0053 , H04L5/0064 , H04L27/2697 , H04Q11/0067 , H04J14/007 , H04Q11/0062 , H04Q2011/0086
Abstract: Disclosed are a method for allocating upstream bandwidth resources and a method for transmitting uplink data in an orthogonal frequency division multiplexing-passive optical network. The method for allocating the upstream bandwidth resources according to an embodiment of the present invention comprises the steps of: receiving information of a queue state from optical network devices; and allocating upstream bandwidth resources by providing a two dimensional upstream bandwidth map, which is composed of a subcarrier and a time resource through a frame synchronized in a certain period based on the information of the queue state received from each optical network device, to each optical network device.
Abstract translation: 公开了用于分配上行带宽资源的方法和用于在正交频分复用无源光网络中发送上行数据的方法。 根据本发明实施例的用于分配上行带宽资源的方法包括以下步骤：从光网络设备接收队列状态的信息; 并且通过基于从每个光网络设备接收的队列状态的信息，通过在一定周期内同步的帧将子载波和时间资源组成的二维上行带宽图分配给上行带宽资源， 网络设备。
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公开(公告)号：KR1020140093099A
公开(公告)日：2014-07-25
申请号：KR1020130005469
申请日：2013-01-17
Applicant: 한국전자통신연구원
CPC classification number: H04B10/27 , H04B10/548 , H04L27/2649 , H04L27/2697
Abstract: Disclosed is a technology for an orthogonal frequency division multiple access-passive optical network. The orthogonal frequency division multiple access-passive optical network, according to an embodiment of the present invention, includes a plurality of optical network units, each of which is configured to generate orthogonal frequency division multiplexed signals allocated based on a central frequency for frequency division multiplexing allocated in advance; and uses the generated signals in upstream transmission.
Abstract translation: 公开了一种用于正交频分多址无源光网络的技术。 根据本发明的实施例的正交频分多址无源光网络包括多个光网络单元，每个光网络单元被配置为生成基于用于频分复用的中心频率分配的正交频分复用信号 提前分配; 并在上行传输中使用产生的信号。
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公开(公告)号：KR1020140011521A
公开(公告)日：2014-01-29
申请号：KR1020120069313
申请日：2012-06-27
Applicant: 한국전자통신연구원
CPC classification number: H04B10/503 , H01S5/02284 , H01S5/02415 , H01S5/141 , H01S3/08013 , H01S5/02288
Abstract: Disclosed are an external cavity laser using a thin film filter and an optical transmitter comprising the external cavity laser. The external cavity laser includes a semiconductor laser diode outputting an optical signal; a lens collecting the optical signal outputted from the semiconductor laser diode; a multilayered thin filter transmitting the optical signal corresponding to a transmission wavelength band by receiving the optical signal passing through the lens; and a partial reflector transmitting the optical signal from the multilayered thin filter to an optical fiber.
Abstract translation: 公开了使用薄膜滤光器的外腔激光器和包括外腔激光器的光发射器。 外腔激光器包括输出光信号的半导体激光二极管; 收集从半导体激光二极管输出的光信号的透镜; 通过接收通过透镜的光信号，发送对应于透射波长带的光信号的多层薄滤波器; 以及将来自多层薄滤波器的光信号传输到光纤的部分反射器。
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公开(公告)号：KR1020130126834A
公开(公告)日：2013-11-21
申请号：KR1020120046575
申请日：2012-05-02
Applicant: 한국전자통신연구원
IPC: H04B10/07 , H04B10/2507
CPC classification number: H04B10/071
Abstract: An optical layer monitoring apparatus and a method for the same are disclosed. According to one embodiment of the present invention, provided are an optical layer monitoring apparatus, including an optical time domain reflectometry (OTDR) function so as to monitor optical lines on a passive optical network, and a method for improving the accuracy of monitoring results which are measured using the optical layer monitoring apparatus. Thus, the user can continuously identify whether there is a failure of optical lines and quickly recover the optical lines when a failure of the optical lines occurs. [Reference numerals] (30) Optical layer monitoring apparatus;(300) OTDR signal transception unit;(302) OTDR signal processing unit;(32) Optical transmission device;(320) Optical transception unit;(3200) Data signal transception unit;(322) Data signal processing unit;(34) Optical filter unit;(AA) Optical line
Abstract translation: 公开了一种光学层监视装置及其方法。 根据本发明的一个实施例，提供了一种包括光时域反射测量（OTDR）功能以便监视无源光网络上的光线路的光学层监视装置，以及用于提高监视结果准确性的方法 使用光学层监视装置测量。 因此，当发生光线路的故障时，用户可以连续地识别是否存在光线路故障并且快速地恢复光线路。 （30）光层监视装置（300）OTDR信号传送单元;（302）OTDR信号处理单元;（32）光传输设备;（320）光传感单元;（3200）数据信号传输单元; （322）数据信号处理单元;（34）滤光单元;（AA）光线
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Patent Agency Ranking
公开(公告)号：KR1020130093789A
公开(公告)日：2013-08-23
申请号：KR1020110147678
申请日：2011-12-30
Applicant: 한국전자통신연구원
CPC classification number: H04B10/25 , H04B10/503 , H04J14/02
Abstract: PURPOSE: A wired/wireless converged network applied with wavelength division multiplexing (WDM) and a signal transmitting method thereof are provided to apply the WDM for wired optical network to a common public radio interface (CPRI) section, thereby increasing capacity of the CPRI section. CONSTITUTION: A wired network comprises an optical line terminal (OLT) and an optical network unit (ONU). A wireless network comprises a remote equipment controller (REC) and a remote end (RE) that receive an optical signal through CPRI by WDM. The WDM is one of coarse WDM (CWDM) and dense WDM (DWDM). The REC and the RE are connected to at least one CPRI link. The CPRI link is made of one of star, ring, and bus topologies.
Abstract translation: 目的：提供应用波分复用（WDM）的有线/无线融合网络及其信号发送方法，将有线光网络的WDM应用于公共无线电接口（CPRI）部分，从而提高CPRI部分的容量 。 构成：有线网络包括光线路终端（OLT）和光网络单元（ONU）。 无线网络包括通过WDM通过CPRI接收光信号的远程设备控制器（REC）和远端（RE）。 WDM是粗WDM（CWDM）和密集WDM（DWDM）之一。 REC和RE连接到至少一个CPRI链路。 CPRI链路由星形，环形和总线拓扑之一组成。
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公开(公告)号：KR1020130078630A
公开(公告)日：2013-07-10
申请号：KR1020110147676
申请日：2011-12-30
Applicant: 한국전자통신연구원
CPC classification number: H04W88/06 , H04L5/0091 , H04L27/2602 , H04B10/25759 , H04J14/007 , H04L5/00 , H04L12/66
Abstract: PURPOSE: A wired and wireless MAC (Media Access Control) adapter and a frame transmission method using the same are provided to supply a wired and wireless service on a single access network based on OFDMA-PON (Orthogonal Frequency Division Multiplexing-Passive Optical Network). CONSTITUTION: A service network interface (202) transfers a MAC (Media Access Control) frame or CPRI (Common Public Radio Interface) data corresponding to a wired service or a wireless service. A frame converting unit (203) converts the MAC frame into an OFDM frame. The MAC frame indicates a frame structure of the MAC frame or the CPRI data. An OFDM interface (204) transmits the OFDM frame to an optical OFDM frame by dynamically allocating sub-carrier according to the characteristic of transmission. [Reference numerals] (201) Wired and wireless MAC adapter; (202) Service network interface; (203) Frame converting unit; (204) OFDM interface; (205) Wired interface; (206) Wireless interface; (207) First converting unit; (208) Information extraction unit; (209) Second converting unit; (210) Sub-carrier control unit; (211) OFDM frame transmitting unit
Abstract translation: 目的：提供有线和无线MAC（媒体访问控制）适配器和使用其的帧传输方法，以基于OFDMA-PON（正交频分复用无源光网络）在单个接入网络上提供有线和无线业务， 。 构成：服务网络接口（202）传送与有线服务或无线服务对应的MAC（媒体访问控制）帧或CPRI（公用无线电接口）。 帧转换单元（203）将MAC帧转换为OFDM帧。 MAC帧指示MAC帧或CPRI数据的帧结构。 OFDM接口（204）通过根据传输特性动态地分配子载波来将OFDM帧发送到光OFDM帧。 （201）有线和无线MAC适配器; （202）服务网络接口; （203）帧转换单元; （204）OFDM接口; （205）有线接口; （206）无线接口; （207）第一转换单元; （208）信息提取单元; （209）第二转换单元; （210）子载波控制单元; （211）OFDM帧发送单元
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公开(公告)号：KR1020100069450A
公开(公告)日：2010-06-24
申请号：KR1020080128128
申请日：2008-12-16
Applicant: 한국전자통신연구원
IPC: H04J13/12
CPC classification number: H04J13/12 , H04B1/707 , H04B5/02 , H04J13/0022
Abstract: PURPOSE: A method and an apparatus for generating a pseudorandom noise code are provided to reduce hardware resources by extending the length of a PN code through the insertion of a zero bit to the last bit of a PN code. CONSTITUTION: A PN code generator(100) generates a PN code having a 2n-1 length, and a zero bit generator(200) generates a zero bit according to an output count value of the PN code generator. An adder(300) adds the zero bit as the output of the PN code generator, and outputs the PN code having a 2n length. The zero bit generating unit generates the zero bit in the last bit of the PN code having the 2n-1 length.
Abstract translation: 目的：提供一种用于产生伪随机噪声码的方法和装置，用于通过将零比特插入PN码的最后一位来扩展PN码的长度来减少硬件资源。 构成：PN码发生器（100）产生具有2n-1长度的PN码，并且零位发生器（200）根据PN码发生器的输出计数值产生零位。 加法器（300）将零位作为PN码发生器的输出相加，并输出具有2n长度的PN码。 零位产生单元在具有2n-1个长度的PN码的最后一位中产生零位。
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公开(公告)号：KR1020100059567A
公开(公告)日：2010-06-04
申请号：KR1020080118382
申请日：2008-11-26
Applicant: 한국전자통신연구원
IPC: G01S5/06
Abstract: PURPOSE: A locating system and a signal receiver for the system are provided to accurately calculate the location of an object by correcting the signal detection time error between two devices. CONSTITUTION: A communications signal receiving device detects a synchronous signal for a communications signal and a time synchronization. The communications signal receiving device obtains a detection time interval and synchronous signal identifying information. A position calculation unit calculates the time detection error of the communications signal. A position determination device calculates the location of the object. A synchronous signal detector(30) detects the synchronous signal and synchronous signal identifying information. The communications signal detection unit(32) detects the communications signal.
Abstract translation: 目的：提供系统的定位系统和信号接收器，以通过校正两个设备之间的信号检测时间误差来精确计算对象的位置。 构成：通信信号接收装置检测通信信号的同步信号和时间同步。 通信信号接收装置获取检测时间间隔和同步信号识别信息。 位置计算单元计算通信信号的时间检测误差。 位置确定装置计算物体的位置。 同步信号检测器（30）检测同步信号和同步信号识别信息。 通信信号检测单元（32）检测通信信号。
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公开(公告)号：KR1020090127792A
公开(公告)日：2009-12-14
申请号：KR1020080086298
申请日：2008-09-02
Applicant: 한국전자통신연구원
CPC classification number: G06K7/10356 , G01S13/82 , G01S13/878
Abstract: PURPOSE: An apparatus and a method for tracking a position are provided to reduce power consumption and an unnecessary calculating process by calculating a position of an RFID tag according to an energy value of a tag signal or a receiving time of the tag signal. CONSTITUTION: A plurality of RFID readers receives a tag signal from an RFID tag. A first receiving information obtaining part(110) obtains the receiving information of the tag signal from the RFID readers. A reader group selecting part(120) selects an RFID reader group including at least three or more RFID readers among the RFID readers based on the receiving information. A position calculating part(130) calculates a position of the RFID tag based on the receiving information. The receiving information includes a receiving time value about a time in which the RFID readers receive the tag signal. The reader group selecting part selects the RFID reader group according to the order of the receiving time value. The receiving information includes an energy value of the tag signal.
Abstract translation: 目的：提供一种用于跟踪位置的装置和方法，以通过根据标签信号的能量值或标签信号的接收时间计算RFID标签的位置来减少功耗和不必要的计算处理。 构成：多个RFID读取器从RFID标签接收标签信号。 第一接收信息获取部分（110）从RFID读取器获得标签信号的接收信息。 读取器组选择部件（120）基于接收信息来选择RFID读取器组中包括至少三个或更多个RFID读取器的RFID读取器组。 位置计算部（130）基于接收信息计算RFID标签的位置。 接收信息包括关于RFID读取器接收标签信号的时间的接收时间值。 读取器组选择部件根据接收时间值的顺序选择RFID读取器组。 接收信息包括标签信号的能量值。
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