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公开(公告)号：KR101047114B1
公开(公告)日：2011-07-07
申请号：KR1020080120127
申请日：2008-11-28
Applicant: 한국전자통신연구원
IPC: H04B10/07 , H04B10/03 , H04B10/2581
Abstract: 수동형 광가입자망에서 광 가입자 단말의 장애를 감지하기 위한 기술이 개시된다. 광 가입자 단말을 구성하는 광 모듈은 광신호를 출력하는 레이저 다이오드; 상기 레이저 다이오드를 구동시키 위한 레이저 다이오드 구동부; 상기 레이저 다이오드에서 출력되는 광신호를 전기적 신호로 변환하는 변환부; 상기 변환된 전기적 신호의 직류 성분을 제거하는 직류 성분 제거부; 및 상기 직류 성분 제거부로부터 출력된 전기적 신호를 분석하여 그 분석 결과에 따라 상기 레이저 다이오드 구동부를 비활성화시키는 제어부;를 포함한다. 이에 의해 광가입자망에서 광신호 전송 장애가 발생하는 것을 막을 수 있다.
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公开(公告)号：KR1020110054485A
公开(公告)日：2011-05-25
申请号：KR1020090111135
申请日：2009-11-17
Applicant: 한국전자통신연구원
IPC: H04N7/173
CPC classification number: H04N21/478 , H04L65/1069 , H04N21/233 , H04N21/234 , H04N21/2368
Abstract: PURPOSE: A participation type broadcasting system and a method for handling an audio for the same are provided to solve the delay of a participant voice. CONSTITUTION: A participation type broadcasting system comprises a subscriber management server for checking the participating device is same with the watching device, a participation control server(200) for setting an image session with one of the participation device or the watching device, and a media mixer(300) for transmitting the image session to the participant.
Abstract translation: 目的：提供一种参与型广播系统和用于处理音频的方法，以解决参与者语音的延迟。 构成：参与型广播系统包括用于检查参与设备的用户管理服务器与观看设备相同的参与控制服务器（200），用于与参与设备或观看设备之一设置图像会话，以及媒体 混合器（300），用于将图像会话发送给参与者。
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113.发明公开시청률 예측 연동 복수 멀티캐스트를 이용한 고속 채널 전환을 위한 채널 서버, 채널 예측 서버, 단말기 및 그 방법 失效频道预测，频道预测服务器，基于具有程序分级预测的多播多播的快速频道更改系统的终端和方法
公开(公告)号：KR1020110049339A
公开(公告)日：2011-05-12
申请号：KR1020090106313
申请日：2009-11-05
Applicant: 한국전자통신연구원
IPC: H04L12/18 , H04N21/6405 , H04N21/262 , H04N21/438
CPC classification number: G06F15/16 , G06Q30/02 , H04L29/06 , H04L65/4084 , H04L65/80 , H04N7/173 , H04N21/251 , H04N21/2625 , H04N21/4384 , H04N21/4622 , H04N21/6405
Abstract: PURPOSE: A channel sever, a channel prediction server, a terminal and method for a fast channel change system based on multiplicity multicast with program rating prediction are provided to predict a channel to be changed based on a program rating. CONSTITUTION: Based on channel preference information, a streaming module(111) applies delay values to an original multicast stream. The streaming module generates at least one delay multicast stream. An analysis module(112) receives query information on the original multicast stream from a terminal. The analysis module receives the query information on the original multicast stream, and determines the optimized multicast stream among the delay multicast streams. The analysis module transfers the response information related to the optimized multicasts stream to a terminal(140).
Abstract translation: 目的：提供一种基于具有程序等级预测的多重多播的用于快速信道改变系统的信道服务器，信道预测服务器，终端和方法，以基于节目评级来预测要改变的信道。 构成：基于频道偏好信息，流模块（111）将延迟值应用于原始多播流。 流模块生成至少一个延迟组播流。 分析模块（112）从终端接收关于原始组播流的查询信息。 分析模块接收原始组播流的查询信息，确定延迟组播流中优化的组播流。 分析模块将与优化的多播流相关的响应信息传送到终端（140）。
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公开(公告)号：KR1020110037518A
公开(公告)日：2011-04-13
申请号：KR1020090094998
申请日：2009-10-07
Applicant: 한국전자통신연구원
CPC classification number: H04L45/00 , H04L12/185 , H04L45/16 , H04L45/48
Abstract: PURPOSE: A multicast control apparatus in a multi hop network capable of optimizing a multicast transfer rate is provided to transfer a query message of a group management protocol packet to the entire network. CONSTITUTION: A multicast control apparatus(105) includes a packet determining unit(201), a packet type discriminating unit(203), and a packet transmitting unit(205). The packet determining unit determines a group management query device. The packet type discriminating unit discriminates a packet type in case the packet is a group management protocol packet. The packet transmitting unit transmits the packet to a second port in case the packet is a query message.
Abstract translation: 目的：提供一种能够优化组播传输速率的多跳网络中的组播控制设备，将组管理协议报文的查询消息传送到整个网络。 组织：组播控制装置（105）包括分组确定单元（201），分组类型鉴别单元（203）和分组发送单元（205）。 分组确定单元确定组管理查询设备。 分组类型识别单元在分组是组管理协议分组的情况下识别分组类型。 在分组是查询消息的情况下，分组发送单元将分组发送到第二端口。
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公开(公告)号：KR1020110037501A
公开(公告)日：2011-04-13
申请号：KR1020090094976
申请日：2009-10-07
Applicant: 한국전자통신연구원
IPC: G06Q30/02
CPC classification number: G06Q30/02
Abstract: PURPOSE: A telephone order processing server, a gateway, and a broadcasting terminal for a digital TV advertisement are provided to efficiently identify the data advertisement by using an advertisement exposure information corresponding to advertisement data transmitted to the broadcasting terminal. CONSTITUTION: A call processor(1121) receives an order request from a terminal of an orderer. A detector(1122) detects advertisement exposure information related to the orderer. A synchronizer(1123) distinguishes a first advertisement data related to the order based on the advertisement exposure information. A order processing unit(1124) processes an order procedure about the first advertisement data.
Abstract translation: 目的：提供一种用于数字电视广告的电话订单处理服务器，网关和广播终端，以通过使用与广播终端发送的广告数据相对应的广告曝光信息来有效地识别数据广告。 构成：呼叫处理器（1121）从订户的终端接收订单请求。 检测器（1122）检测与订货人有关的广告曝光信息。 同步器（1123）基于广告曝光信息区分与订单相关的第一广告数据。 订单处理单元（1124）处理关于第一广告数据的订单过程。
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Patent Agency Ranking
公开(公告)号：KR1020110034895A
公开(公告)日：2011-04-06
申请号：KR1020090092377
申请日：2009-09-29
Applicant: 한국전자통신연구원
IPC: H04L12/26
CPC classification number: H04L43/0805 , H04L43/04 , H04L43/062 , H04L43/0858
Abstract: PURPOSE: A method for measuring a network available bandwidth in high speed and a device for measuring transmission delay tendency are provided to make measurement traffic not interfere an original media by using a duplicated packet of the original media as a measuring traffic. CONSTITUTION: A transmitting party transmits a media to a receiving party(510). The receiving party collects time interval between the packets of the transmitted media(520). The receiving party inspects one-way delay related to the packet based on the collected time interval(530). The receiving party reports the inspected one-way delay to the transmitting party(540). The transmitting party controls a bit rate of the media based on the reported one-way delay(550).
Abstract translation: 目的：提供一种用于测量高速网络可用带宽的方法和用于测量传输延迟趋势的设备，以使测量业务不会通过使用原始媒体的复制分组作为测量业务来干扰原始媒体。 构成：发送方向接收方发送媒体（510）。 接收方收集所传送媒体的分组之间的时间间隔（520）。 接收方根据收集的时间间隔检查与分组相关的单向延迟（530）。 接收方向发射方报告被检查的单向延迟（540）。 发送方基于报告的单向延迟来控制媒体的比特率（550）。
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公开(公告)号：KR101001357B1
公开(公告)日：2010-12-15
申请号：KR1020080099698
申请日：2008-10-10
Applicant: 한국전자통신연구원
IPC: H04L12/28
Abstract: 본 발명은 오버레이 멀티캐스트 트리 구성 방법 및 전송 트리 관리 장치에 관한 것으로, 상기 에이전트의 동작 모드를 파악하는 단계; 및 상기 파악된 동작 모드에 기초하여 오버레이 정책을 결정하고, 상기 결정된 정책에 따라 상기 에이전트들의 전송 트리를 구성하는 트리 구성 단계;를 포함하는 것을 특징으로 하는 전송 트리 구성 방법에 의해 해당 응용에 최적화된 전송 트리를 구성할 수 있다.
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公开(公告)号：KR1020100068157A
公开(公告)日：2010-06-22
申请号：KR1020090032218
申请日：2009-04-14
Applicant: 한국전자통신연구원
IPC: H04B10/035 , H04B10/291 , H04B10/2581
Abstract: PURPOSE: An RSOA control method and a control device thereof are provided to keep constant optical property driving RSOA of ONU(Optical Network Unit) regardless of the wavelength of the seed light inserted in the OLT in loop back type WDM-PON based on RSOA. CONSTITUTION: A controller unit(10) controls the operating temperature activating the RSOA, and sets the threshold current in which the light source begins to erupt regardless of the wavelength of the seed light. An optical property control unit(20) controls the operating current in order to constantly control the light characteristic differently outputted by wavelength of the seed light inserted in RSOA. The optical property control unit comprises the current optical output information generator unit generating the current optical output information and the operating current setting unit setting the operating current which regularly controls the optical output characteristic.
Abstract translation: 目的：提供一种RSOA控制方法及其控制装置，无论在基于RSOA的环回型WDM-PON中插入OLT中的种子光的波长如何，都能保持ONU（光网络单元）的恒定光学性能驱动RSOA。 构成：控制器单元（10）控制启动RSOA的工作温度，并设置光源开始喷射的阈值电流，而与种子光的波长无关。 光学特性控制单元（20）控制工作电流，以恒定地控制由RSOA插入的种子光的波长不同地输出的光特性。 光学特性控制单元包括产生当前光输出信息的当前光输出信息产生单元和设定定时控制光输出特性的工作电流的工作电流设定单元。
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公开(公告)号：KR1020100065020A
公开(公告)日：2010-06-15
申请号：KR1020090024505
申请日：2009-03-23
Applicant: 한국전자통신연구원
IPC: H04N7/22
Abstract: PURPOSE: A digital interface apparatus and a multimedia data transmitting cable using the same are provided to convert plural parallel data signals into serial data signals, thereby lowering transmission speed. CONSTITUTION: A photoelectric converter(110) converts a received optical signal into an electricity data signal. An output data converter(130) converts the converted electricity data signal into a plurality of electricity data signals. A clock restoring unit(150) extracts clock signals from the converted electricity data signals. A signal amplifier of the output data converter amplifies the converted electricity data signals.
Abstract translation: 目的：提供数字接口装置和使用其的多媒体数据传输电缆，以将多个并行数据信号转换为串行数据信号，从而降低传输速度。 构成：光电转换器（110）将接收到的光信号转换成电数据信号。 输出数据转换器（130）将转换的电数据信号转换为多个电数据信号。 时钟恢复单元（150）从转换的电数据信号中提取时钟信号。 输出数据转换器的信号放大器放大转换的电数据信号。
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公开(公告)号：KR1020100064277A
公开(公告)日：2010-06-14
申请号：KR1020090018864
申请日：2009-03-05
Applicant: 한국전자통신연구원
Abstract: PURPOSE: An optical coupler between different kind optical fibers is provided to minimize an insertion loss of an optical signal due to a diameter difference of the optical signal. CONSTITUTION: A first optical fiber(10) transfers a signal ray. A second optical fiber(20) has a different refraction index with the first optical fiber and transfers the signal ray delivered to the first optical fiber. A fixing unit(30) protects a part of the first optical fiber and the second optical fiber and fixes the first optical fiber and the second optical fiber.
Abstract translation: 目的：提供不同种类的光纤之间的光耦合器，以最小化由于光信号的直径差引起的光信号的插入损耗。 构成：第一光纤（10）传送信号线。 第二光纤（20）与第一光纤具有不同的折射率，并传送传送到第一光纤的信号线。 定影单元（30）保护第一光纤和第二光纤的一部分并固定第一光纤和第二光纤。
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