公开(公告)号：KR100880893B1

公开(公告)日：2009-01-30

申请号：KR1020070093814

申请日：2007-09-14

Applicant: 한국전자통신연구원

Inventor： 이병탁 ,  이상현 ,  오승훈 ,  심재찬 ,  송호영 ,  김봉태

IPC: H04N21/226 ,  H04L12/18

CPC classification number: H04N7/17318 ,  H04N21/2625 ,  H04N21/26275 ,  H04N21/26616 ,  H04N21/4384 ,  H04N21/6405 ,  H04N21/64322

Abstract: An apparatus for rapidly changing a channel by using plural multicast in an IPTV network and a method thereof are provided to supply optimized multicast stream information to a user terminal after separately generating at least one multicast stream to a different delay time is applied, thereby rapidly changing a channel. A fast channel changing system comprises a headend, a channel server(120), a router(130) and a user terminal(140) on an IPTV network. The channel server comprises a multicast module(121) and a channel analyzing module(122). A different delay time value is applied to each original multicast stream to be broadcast by the multicast module. The multicast module generates a delay multicast stream. The channel analyzing module dynamically analyzes the generated delay multicast stream in real time.

Abstract translation: 提供了一种通过在IPTV网络中使用多个组播来快速改变频道的装置及其方法，其用于在将至少一个组播流分别生成到不同的延迟时间之后向用户终端提供优化的多播流信息，由此迅速改变 一个频道 快速频道切换系统包括IPTV网络上的头端，频道服务器（120），路由器（130）和用户终端（140）。 信道服务器包括多播模块（121）和信道分析模块（122）。 对于要由多播模块广播的每个原始多播流应用不同的延迟时间值。 组播模块生成延迟组播流。 信道分析模块实时动态分析生成的延迟组播流。

公开(公告)号：KR1020090009646A

公开(公告)日：2009-01-23

申请号：KR1020070073101

申请日：2007-07-20

Applicant: 한국전자통신연구원

Inventor： 오승훈 ,  박일균 ,  송호영 ,  김봉태 ,  윤심권 ,  심재찬

IPC: G06Q50/20 ,  G06Q50/30 ,  G09B5/14

CPC classification number: G06Q50/205 ,  G06Q50/30 ,  G09B5/14

Abstract: A control device, an education device, a learning apparatus, a control method, an educational method, and a learning method of a remote education system supporting a small group discussion service are provided for learners to perform the class of a small group debating type, thereby overcoming the limit of remote education and activating the class participation of the learners more. An input unit(221) receives small group participants selected by an educator among learners in remote education class. A small group control message generatior(222) produces a small group production message based on the list of the small group participants received the input unit. A small group control message transmitter(223) transmits the small group production message generated in the small group control message generator to the control device(210) of a remote education system. A control device comprises a small group control message receiver(211), a session information management unit(212), and a server session controller(213). According to a small group production request received from an education device(220), the establishment of a communications session among the learners is indicated. The session information management unit produces the session control information of the small group participants. The server session controller transmits the session control information generated in the session information management unit to the small group participants and indicates the establishment of the communications session among the small group participants. A learning device(230) establishes the communications session according to the session control information received from the control device, and exchanges the data of the small group participants through the communications session. The session information receiver receives the session control information of the small group participants selected by the educator among the learners in the remote education class from the control device of the remote education system.

Abstract translation: 提供了一种用于支持小组讨论服务的远程教育系统的控制装置，教育装置，学习装置，控制方法，教育方法和学习方法，用于学习者执行小组辩论类的类， 从而克服了远程教育的限制，激发了学员的阶级参与。 输入单元（221）接收远程教育课程中的学习者之间由教育者选择的小组参与者。 小组控制消息发生器（222）基于接收到输入单元的小组参与者的列表产生小组生成消息。 小组控制消息发送器（223）将在小组控制消息发生器中生成的小组生成消息发送到远程教育系统的控制设备（210）。 控制装置包括小组控制消息接收器（211），会话信息管理单元（212）和服务器会话控制器（213）。 根据从教育装置（220）收到的小组生产要求，指出了在学习者之间建立通信会话。 会话信息管理单元生成小组参与者的会话控制信息。 服务器会话控制器将在会话信息管理单元中生成的会话控制信息发送给小组参与者，并且指示小组参与者之间的通信会话的建立。 学习装置（230）根据从控制装置接收到的会话控制信息建立通信会话，并通过通信会话交换小组参与者的数据。 会话信息接收器从远程教育系统的控制装置接收远程教育课程中的学习者中由教育者选择的小组参与者的会话控制信息。

公开(公告)号：KR100850358B1

公开(公告)日：2008-08-04

申请号：KR1020060123777

申请日：2006-12-07

Applicant: 한국전자통신연구원

Inventor： 이상우 ,  송호영 ,  김봉태

IPC: H04N5/50

Abstract: 본 발명은 채널 변경 지연(zapping time)을 줄이기 위한 방법 및 IP 셋탑박스에 관한 것으로서, 채널 변경 요청에 따라 상기 요청된 채널 및 해당 채널의 상하위 채널에 대한 방송 스트림을 수신하는 제1단계; 상기 수신된 방송 스트림을 채널별로 분리하는 제2단계; 상기 분리된 각각의 방송 스트림을 디코딩하여 방송 신호를 생성하는 제3단계; 및 상기 생성된 방송 신호 중 요청된 채널의 방송 신호를 디스플레이 장치로 전달하는 제4단계를 포함하여 구성되며, 이에 의해, 현재 시청하고 있는 채널을 인접 채널로 변경하고자 하는 경우 채널 변경 지연을 줄일 수 있다.
채널 변경, 셋탑박스, 방송 스트림, IPTV, 재핑, zapping

公开(公告)号：KR1020080052365A

公开(公告)日：2008-06-11

申请号：KR1020070106734

申请日：2007-10-23

Applicant: 한국전자통신연구원

Inventor： 은지숙 ,  송호영

IPC: H04L12/24 ,  H04L12/28 ,  H04B10/2581

CPC classification number: H04Q11/0067 ,  H04Q2011/0079

Abstract: An apparatus and a method for detecting OAM module configuration negotiation request in EPON system are provided to distinguish a normal message from a message created by an attacker by comparing a time stamp of an incoming message to a sequence number of a local DTE, and comparing a sequence number of the incoming message to a sequence number counter of the local DTE(Data Terminating Entity). A transmission unit(510) transmits a local OAM(Operations, Administration and Maintenance) message. A timer(530) writes the time of transmitting the local OAM message. A counter(540) gives a serial number to the messages according to the output order when transmitting the local OAM message. A receiver(500) receives a remotely operated OAM message. A comparator(520) compares the transmission time and the serial number which are included in the remote OAM message to the transmission time and the serial number which are controlled by a local OAM module.

Abstract translation: 提供了一种用于在EPON系统中检测OAM模块配置协商请求的装置和方法，用于通过将传入消息的时间戳与本地DTE的序列号进行比较来区分正常消息与攻击者创建的消息，并比较 传入消息的序列号到本地DTE（数据终端实体）的序列号计数器。 发送单元（510）发送本地OAM（操作，管理和维护）消息。 定时器（530）写入发送本地OAM消息的时间。 计数器（540）在发送本地OAM消息时根据输出顺序向消息提供序列号。 接收机（500）接收远程操作的OAM消息。 比较器（520）将包括在远程OAM消息中的传输时间和序列号与本地OAM模块控制的传输时间和序列号进行比较。

公开(公告)号：KR100826885B1

公开(公告)日：2008-05-06

申请号：KR1020060121825

申请日：2006-12-04

Applicant: 한국전자통신연구원

Inventor： 성정식 ,  송호영

IPC: H04N5/45 ,  H04N7/01

CPC classification number: H04N21/4781 ,  H04N21/42221 ,  H04N21/4227 ,  H04N21/4858 ,  H04Q2209/43

Abstract: A set top box having a multi user game function and a method for supporting a multi user game in the same are provided to enable plural users to enjoy different games or the same game through one television independently by supporting the game by using the television as a display unit. A storage(34) stores game data. A remote controller control unit(35) respectively identifies plural remote controllers(23), and transceives signals according to each remote controller through a zigbee communication mode. A multimedia processor(31) processes vide data and audio data of one or more selected games. A screen controller(32) divides a television screen into plural screens, controls a size of the processed video signal so as to be suitable for the screen. A game controller(33) divides a screen to be suitable for the number of users according to a user command received through the remote controller control unit. After registering users and remote controllers according to each screen, the game controller confirms which screen is corresponded to the remote control signal received through the remote controller control unit. After that, the game controller controls the multimedia processor and the screen controller so as to perform a command designated to the corresponding screen.

Abstract translation: 提供了具有多用户游戏功能的机顶盒以及用于支持多用户游戏功能的方法，以使得多个用户可以通过使用电视作为一个电视来独立地通过一个电视来享受不同的游戏或相同的游戏 显示单元。 存储（34）存储游戏数据。 遥控器控制单元（35）分别识别多个遥控器（23），并且通过Zigbee通信模式根据每个遥控器收发信号。 多媒体处理器（31）处理视频数据和一个或多个所选游戏的音频数据。 屏幕控制器（32）将电视屏幕分割成多个屏幕，控制处理后的视频信号的尺寸以适合屏幕。 根据通过遥控器控制单元接收到的用户命令，游戏控制器（33）将屏幕划分为适合用户数量的屏幕。 在根据每个屏幕注册用户和遥控器之后，游戏控制器确认哪个屏幕对应于通过遥控器控制单元接收的遥控信号。 之后，游戏控制器控制多媒体处理器和屏幕控制器，以执行指定给相应屏幕的命令。

公开(公告)号：KR1020080021368A

公开(公告)日：2008-03-07

申请号：KR1020060084712

申请日：2006-09-04

Applicant: 한국전자통신연구원

Inventor： 오승훈 ,  심재찬 ,  송호영 ,  이성용 ,  김봉태

IPC: H04N21/472

CPC classification number: H04N5/44543 ,  G06F3/0482 ,  H04N21/4312 ,  H04N21/4314 ,  H04N21/4622 ,  H04N21/4821

Abstract: A method for searching a digital multimedia service by using a dashboard and a set top box having the same are provided to enable a user to grasp a current service search location and an entire structure by displaying an entire service layer structure on one screen when searching a service, thereby quickly searching a desired service. If a user inputs a menu selection request, a user interface is provided(S110,S120). The user interface is formed in a dashboard type where plural layers are displayed within one screen. The plural layers are produced by sequentially dividing all suppliable multimedia services from an upper concept to a lower concept. One layer of the plural layers is selected by a user(S130). If a top layer is selected, detail items produced by classifying the top concept of the multimedia service are provided, and one of the detail items is selected(S150). If one layer is selected among the rest layers except the top layer and the lowest layer, a detail item belonging to a lower rank of a detail item selected from an upper layer of the selected layer is provided. One of the detail items is selected(S170). If the lowest layer is selected, information about a multimedia service designated by the layers is displayed(S180).

Abstract translation: 提供了一种通过使用仪表板和具有该仪表板的机顶盒搜索数字多媒体服务的方法，以便用户能够在搜索一个屏幕时在一个屏幕上显示整个服务层结构来掌握当前服务搜索位置和整个结构 服务，从而快速搜索所需的服务。 如果用户输入菜单选择请求，则提供用户界面（S110，S120）。 用户接口形成为在一个屏幕内显示多个层的仪表板类型。 通过将所有可提供的多媒体服务从上层概念顺序划分为较低概念来产生多层。 用户选择多层的一层（S130）。 如果选择顶层，则提供通过分类多媒体服务的顶级概念而产生的详细项目，并且选择其中一个详细项目（S150）。 如果在除了顶层和最下层之外的其余层中选择一层，则提供属于从选定层的上层中选择的细节项的较低等级的细节项。 选择其中一个细节项（S170）。 如果选择最低层，则显示由层指定的多媒体服务的信息（S180）。

公开(公告)号：KR1020080010889A

公开(公告)日：2008-01-31

申请号：KR1020060071554

申请日：2006-07-28

Applicant: 한국전자통신연구원

Inventor： 이성용 ,  심재찬 ,  송호영

IPC: H04N21/431

CPC classification number: H04N7/17318 ,  H04N21/2225 ,  H04N21/23106 ,  H04N21/2393 ,  H04N21/2668 ,  H04N21/47202 ,  H04N21/4722 ,  H04N21/4821 ,  H04N21/6581 ,  H04N21/6587

Abstract: A method for offering contents information in a VOD(Video Online Demand) service and a VOD service system for performing the method are provided to display a contents list and contents information through representative moving pictures and story boards, thereby supplying information related to user-selected contents visually and acoustically. A transmitting and receiving unit(120) receives a VOD service request from a VOD client through a network, and transmits data corresponding to the request to the VOD client. A contents storage unit(110) stores all of moving picture contents. A contents process unit(200) creates representative moving pictures for respective moving picture contents stored in the contents storage unit, and constitutes an initial screen obtained by combining the representative moving pictures. A controller(130) transmits the initial screen created by the contents process unit when the VOD client requests a contents list through the transmitting and receiving unit.

Abstract translation: 提供用于在VOD（视频在线需求）服务中提供内容信息的方法和用于执行该方法的VOD服务系统，以通过代表性的运动图片和故事板显示内容列表和内容信息，由此提供与用户选择的相关的信息 视觉和声学内容。 发送和接收单元（120）通过网络从VOD客户端接收VOD服务请求，并将与该请求对应的数据发送给VOD客户端。 内容存储单元（110）存储所有运动图像内容。 内容处理单元（200）为存储在内容存储单元中的各个运动图像内容创建代表性运动图像，并且构成通过组合代表运动图像而获得的初始屏幕。 当VOD客户端通过发送和接收单元请求内容列表时，控制器（130）发送由内容处理单元创建的初始屏幕。

公开(公告)号：KR1020070061138A

公开(公告)日：2007-06-13

申请号：KR1020060050992

申请日：2006-06-07

Applicant: 한국전자통신연구원

Inventor： 이병탁 ,  이성용 ,  송호영 ,  김봉태

IPC: H04W8/24 ,  H04W4/06 ,  H04L12/28

CPC classification number: H04N7/17318 ,  H04N21/218 ,  H04N21/2743 ,  H04N21/41407 ,  H04N21/47202 ,  H04N21/6125 ,  H04N21/6131 ,  H04N21/6175 ,  H04N21/6181

Abstract: A system and a method for providing a bi-directional multimedia service in a subscriber network are provided to allow a user of a subscriber network to receive various bi-directional multimedia services such as a Web service, a game, a messenger, a video call, and a virtual environment through a minimum level of subscriber terminal. A service server(100) generates multimedia information requested by a service available subscriber terminal among bi-directional multimedia service available information and service available information through a subscriber network to respective subscriber terminals(500-500-n) based on registration information of the subscriber terminals(500-500-n). A data processing server(200) receives user multimedia information transmitted from the subscriber terminal, provides it to the service server(100), and processes the multimedia information generated by the service server(100) into data suitable for the subscriber network. A channel management server(300) enables the multimedia information processed by the data processing server(200) to be received by a particular subscriber terminal, and manages a communication channel of the subscriber network in order to transmit the multimedia information transmitted from the particular subscriber terminal to the data processing server(200).

Abstract translation: 提供了一种用于在用户网络中提供双向多媒体服务的系统和方法，以允许用户网络的用户接收诸如Web服务，游戏，信使，视频呼叫的各种双向多媒体服务 ，以及通过最低级别的用户终端的虚拟环境。 服务服务器（100）基于订户的注册信息，通过用户网络向各个用户终端（500-500-n）生成双向多媒体业务可用信息和业务可用信息中的业务可用用户终端请求的多媒体信息 终端（500-500-N）。 数据处理服务器（200）接收从用户终端发送的用户多媒体信息，将其提供给服务服务器（100），并将服务服务器（100）生成的多媒体信息处理成适合用户网络的数据。 信道管理服务器（300）使得由数据处理服务器（200）处理的多媒体信息能够由特定用户终端接收，并且管理用户网络的通信信道，以便发送从特定用户发送的多媒体信息 终端到数据处理服务器（200）。

公开(公告)号：KR100450406B1

公开(公告)日：2004-09-30

申请号：KR1020020049388

申请日：2002-08-21

Applicant: 한국전자통신연구원

Inventor： 조재형 ,  유제훈 ,  이형호 ,  송호영 ,  김관중 ,  이우섭 ,  임동선

IPC: H04L12/931

Abstract: PURPOSE: A packet switching system using a distributed packet processing unit is provided to distribute many low-priced remote packet processing units outside of a switch instead of a high performance packet processing unit when configuring a high-speed switching system, thereby improving system performance and system configurations. CONSTITUTION: A packet switching system(200) has many packet processors(21) and a switching unit(22). The packet processors(21) process data packets. The switching unit(22) switches the processed data packets. Packet processors(21) consist of packet processors(24) for processing data packets transmitted from external users(20) and transmission devices(25) transmitting the processed data. The switching unit(22) comprises as follows. An interface(26) receives the data transmitted from the transmission devices(25). An exchange device(27) transmits the data to a rear switch(28). The rear switch(28) outputs the transmitted data by switching the data. A main processor(29) transmits packet path information and internal switching information to the packet processors(24) and the rear switch(28), respectively.

Abstract translation: 目的：提供使用分布式分组处理单元的分组交换系统，以在配置高速交换系统时在交换机外部分发许多低价的远程分组处理单元，而不是高性能分组处理单元，从而提高系统性能和 系统配置。 组成：分组交换系统（200）具有许多分组处理器（21）和交换单元（22）。 分组处理器（21）处理数据分组。 切换单元（22）切换处理后的数据分组。 分组处理器（21）由分组处理器（24）组成，用于处理从外部用户（20）发送的数据分组和发送处理后的数据的传输设备（25）。 切换单元（22）如下所述。 接口（26）接收从传输设备（25）传输的数据。 交换设备（27）将数据传输到后部开关（28）。 后开关（28）通过切换数据输出发送的数据。 主处理器（29）分别向分组处理器（24）和后开关（28）发送分组路径信息和内部交换信息。

公开(公告)号：KR1019970078210A

公开(公告)日：1997-12-12

申请号：KR1019960016049

申请日：1996-05-14

Applicant: 한국전자통신연구원 ,  주식회사 케이티

Inventor： 정덕순 ,  송호영 ,  박호진

IPC: H04L12/911 ,  H04L12/70

Abstract: 본 발명은 비동기 전달 모드(ATM) 교환 시스팀에서 입중계 중계선 호제공 방법에 관한 것으로서, 비동기 전달 모드(ATM) 교환 시스팀에 적용되는 입중계 중계선 호제공 방법에 있어서, 타국으로부터의 호 요구 메시지를 수신하면 입중계 중계선 호처리 자 프로세스를 생성하고, 국번 번역을 위한 시스팀 라이브러리를 호출하여 국번 번역후 착신번호를 번역한 후, 스위치 경로를 설정한 후, 셀 헤더의 라우팅 태그 정보를 저장하고, 착신 가입자로부터 수신 대기 응답 신호를 수신하면 타국으로 어드레스 수신 완료 메시지를 송신하고, 착신 가입자로부터 연결 완료 통보를 수신하면 셀 헤더의 라우팅 태그 정보를 통보하여 데이타 셀이 전송될 수 있도록 하고, 타국으로 응답 메시지를 송신하는 제1단계(100 내지 119); 및 통화중 상태에서 호 복구 메시지를 수신하면 복구 절차를 수행하여 스위치 경로를 복구하고, 셀 헤더의 라우팅 태그 정보를 복구하도록 요구하고, 호처리에 사용된 자원을 복구하는 제2단계(120 내지 131)를 포함하여 타국으로부터 입중계되는 호에 대한 호제어 절차를 수행함으로써 BISUP 입중계 중계선 호를 제공하며, 타국의 B-ISDN 가입자로부터 B-ISDN 서비스 요구에 대한 서비스를 제공할 수 있어, 타국의 B-ISDN 가입자가 자국의 B-ISDN 가입자와 B-ISDN 서비스를 이용할 수 있는 효과가 있다.