公开(公告)号：KR1020130067692A

公开(公告)日：2013-06-25

申请号：KR1020110134509

申请日：2011-12-14

Applicant: 한국전자통신연구원

Inventor： 김태균 ,  조용성 ,  최동준 ,  허남호

IPC: H04H20/33

CPC classification number: H04H20/28 ,  H04N21/24 ,  H04N21/26283 ,  H04N21/435 ,  H04N21/6125

Abstract: PURPOSE: An N-screen service providing system and a method thereof are provided to enable a plurality of viewers to simultaneously watch a broadcasting program by providing an N-screen service through a video gateway. CONSTITUTION: A head-end transmission system(110) includes a real-time broadcasting system, a two-ways communication system, an EPG(Electronic Program Guide) server, or a stream server. A video gateway(120) receives a broadcasting signal and a communication signal from a head-end transmission system. A video gateway transmits broadcasting content according to the request of a terminal used by a user. A subscriber reception system(130) displays broadcasting content by receiving the broadcasting content from a video gateway. A network interface unit receives a signal from the head end of a broadcasting service provider. [Reference numerals] (100) N-screen broadcasting service providing system; (110) Head-end transmission system; (120) Video gateway; (130) Subscriber reception system

Abstract translation: 目的：提供N屏幕服务提供系统及其方法，以使多个观看者能够通过视频网关提供N屏幕服务来同时观看广播节目。 构成：头端传输系统（110）包括实时广播系统，双向通信系统，EPG（电子节目指南）服务器或流服务器。 视频网关（120）从头端传输系统接收广播信号和通信信号。 视频网关根据用户使用的终端的请求发送广播内容。 用户接收系统（130）通过从视频网关接收广播内容来显示广播内容。 网络接口单元从广播服务提供商的头端接收信号。 （附图标记）（100）N屏幕广播服务提供系统; （110）头端传输系统; （120）视频网关; （130）用户接收系统

公开(公告)号：KR1020130067639A

公开(公告)日：2013-06-25

申请号：KR1020110134400

申请日：2011-12-14

Applicant: 한국전자통신연구원

Inventor： 조용성 ,  김태균 ,  최동준 ,  허남호

IPC: H04N21/236

CPC classification number: H04N21/816 ,  H04N21/2362 ,  H04N21/2365 ,  H04N21/858

Abstract: PURPOSE: A sign language broadcasting service providing method and a system thereof are provided to selectively use a mode of watching a broadcasting image and a mode of simultaneously watching a broadcasting image and a sign language interpretation image. CONSTITUTION: A digital broadcasting head-end system encodes a broadcasting image of a broadcasting image encoded into a transport stream(TS) type(500). The system encodes a sign language image of the broadcasting program into a transport stream(501). The system multiplexes the encoded broadcasting image and sign language interpretation image into a single program transport stream(502). The system transmits image data of the multiplexed result to a broadcasting receiver(503). [Reference numerals] (500) Transport stream(TS) type; (501) Transport stream; (502) Single program transport stream; (503) Broadcasting receiver; (AA) Start; (BB) Finish

Abstract translation: 目的：提供一种手语广播服务提供方法及其系统，以选择性地使用观看广播图像的模式和同时观看广播图像和手语解释图像的模式。 构成：数字广播前端系统对编码成传输流（TS）类型（500）的广播图像的广播图像进行编码。 系统将广播节目的手语图像编码成传输流（501）。 该系统将经编码的广播图像和手语解释图像复用到单个节目传输流（502）中。 系统将复用结果的图像数据发送到广播接收机（503）。 （附图标记）（500）传输流（TS）类型; （501）运输流; （502）单程序传输流; （503）广播接收机; （AA）开始; （BB）完成

公开(公告)号：KR1020130067405A

公开(公告)日：2013-06-24

申请号：KR1020110134507

申请日：2011-12-14

Applicant: 한국전자통신연구원

Inventor： 김태균 ,  조용성 ,  최동준 ,  허남호

IPC: G06F3/01 ,  H04N7/173

CPC classification number: G06F3/016 ,  G06F3/14 ,  H04N7/173

Abstract: PURPOSE: An input and output device using touch is provided to use only the touch function, thereby supplying a bidirectional broadcast service. CONSTITUTION: A content receiving unit(210) receives a broadcast content from a content providing server. An information conversion unit(220) analyzes the broadcast content and converts the broadcast content into touch output information. A display unit(230) displays the touch output information. A touch receiving unit(240) receives touch input information in response to the broadcast content. An information transmission unit(250) transmits the touch input information to a content providing server which transmits the broadcast content in response to the touch input information. [Reference numerals] (210) Content receiving unit; (220) Information conversion unit; (230) Display unit; (240) Touch receiving unit; (250) Information transmission unit

Abstract translation: 目的：提供使用触摸的输入和输出设备仅使用触摸功能，从而提供双向广播服务。 构成：内容接收单元（210）从内容提供服务器接收广播内容。 信息转换单元（220）分析广播内容并将广播内容转换为触摸输出信息。 显示单元（230）显示触摸输出信息。 触摸接收单元（240）响应于广播内容接收触摸输入信息。 信息发送单元（250）将触摸输入信息发送到响应于触摸输入信息发送广播内容的内容提供服务器。 （附图标记）（210）内容接收单元; （220）信息转换单元; （230）显示单元; （240）触摸接收单元; （250）信息传输单元

公开(公告)号：KR1020130066087A

公开(公告)日：2013-06-20

申请号：KR1020110132768

申请日：2011-12-12

Applicant: 한국전자통신연구원

Inventor： 함영권 ,  최동준 ,  허남호

IPC: H04L27/26 ,  H04B3/02

CPC classification number: H04L27/2628 ,  H04L27/2644 ,  H04L27/265 ,  H04L27/2678

Abstract: PURPOSE: An operation mode adaptive transmission device and a method thereof are provided to improve system performance and to increase cable resource use efficiency. CONSTITUTION: A frequency interleaving unit (102) performs frequency interleaving to obtain frequency diversity of a mapping processed signal. A pilot and preamble insertion unit (103) inserts block unit preamble and pilot into the frequency interleaved signal. An IFFT (Inverse Fast Fourier Transform) unit (104) inverse-fast-Fourier-transforms the block unit preamble and a pilot-inserted signal. A CP (Cycle Prefix) insertion unit (105) inserts a CP greater than a channel delay time into the IFF transformed signal. A DAC (Digital-to-Analog Converter)/RF unit (106) coverts the digital signal inputted to the CP insertion unit and transforms a baseband signal into an RF band signal. [Reference numerals] (101) Signaling mapping view; (102) Frequency interleaving unit; (103) Pilot and preamble insertion unit; (104) IFFT(Inverse Fast Fourier Transform) unit; (105) CP(Cycle Prefix) insertion unit; (106) DAC(Digital-to-Analog Converter)/RF unit; (107) FFT unit; (108) Preamble insertion unit; (109) Over sampling unit; (110) Pulse connection filtering unit; (AA) Channel encoding generating signal

Abstract translation: 目的：提供一种操作模式自适应传输设备及其方法，以提高系统性能并提高电缆资源的使用效率。 构成：频率交错单元（102）执行频率交织以获得映射处理信号的频率分集。 导频和前同步码插入单元（103）将块单元前同步码和导频插入到频率交织信号中。 IFFT（逆快速傅里叶变换）单元（104）对块单元前导码和导频插入信号进行快速傅立叶逆变换。 CP（循环前缀）插入单元（105）将大于信道延迟时间的CP插入到IFF变换信号中。 DAC（数模转换器）/ RF单元（106）覆盖输入到CP插入单元的数字信号，并将基带信号转换成RF频带信号。 （附图标记）（101）信令映射图; （102）频率交织单元; （103）导频和前导码插入单元; （104）IFFT（快速傅里叶逆变换）单元; （105）CP（循环前缀）插入单元; （106）DAC（数模转换器）/ RF单元; （107）FFT单元; （108）前导插入单元; （109）抽样单位; （110）脉冲连接滤波单元; （AA）信道编码生成信号

公开(公告)号：KR1020130059862A

公开(公告)日：2013-06-07

申请号：KR1020110126073

申请日：2011-11-29

Applicant: 한국전자통신연구원

Inventor： 이재호 ,  김양수 ,  구한승 ,  라상중 ,  최동준 ,  허남호

IPC: H04L27/26 ,  H04B3/02

CPC classification number: H04L27/2663 ,  H04L27/2678

Abstract: PURPOSE: A method for estimating the timing of a symbol used in a cable network communicating with an OFDM method is provided to reduce hardware complexity in an OFDM receiver while maintaining symbol timing estimation performance. CONSTITUTION: An OFDM symbol including a cyclic symbol is received(510). An energy property of the OFDM symbol is calculated by using a pre-established SNR(Signal to Noise Ratio)(520). The timing of the OFDM symbol is estimated on the basis of the calculated energy property of the OFDM symbol and the correlation property of the OFDM symbol(530). [Reference numerals] (510) Step of receiving an OFDM symbol including a cyclic symbol; (520) Step of calculating energy property of the OFDM symbol by using a pre-established SNR; (530) Step of estimating timing of the OFDM symbol on the basis of the energy property and correlation property of the OFDM symbol; (AA) Start; (BB) End

Abstract translation: 目的：提供一种用于估计在与OFDM方法通信的电缆网络中使用的符号的定时的方法，以在维持符号定时估计性能的同时降低OFDM接收机中的硬件复杂度。 构成：接收包括循环符号的OFDM符号（510）。 通过使用预先建立的SNR（信噪比）来计算OFDM符号的能量属性（520）。 基于所计算的OFDM符号的能量特性和OFDM符号的相关性（530）来估计OFDM符号的定时。 （510）接收包括循环符号的OFDM符号的步骤; （520）通过使用预先建立的SNR来计算OFDM符号的能量属性的步骤; （530）基于OFDM符号的能量属性和相关属性来估计OFDM符号的定时的步骤; （AA）开始; （BB）结束

公开(公告)号：KR1020120063979A

公开(公告)日：2012-06-18

申请号：KR1020100125181

申请日：2010-12-08

Applicant: 한국전자통신연구원

Inventor： 김태균 ,  조용성 ,  최동준 ,  이수인

IPC: H04N21/472

CPC classification number: H04N21/472 ,  H04H60/61 ,  H04N21/266

Abstract: PURPOSE: A providing method of viewer participating type personal broadcasting service is provided to enable viewers to transmit and receive bidirectional broadcast service. CONSTITUTION: A providing method of viewer participating type personal broadcasting service comprises the following steps: receiving a usage request message for a content production clouding module from a viewer device(310), and determining the authorization for using the content production clouding module; receiving a viewer participation program produced by using the content production clouding module using a program providing server(400); and transmitting the authorized viewer participating program to plural viewer devices.

Abstract translation: 目的：提供观众参与式个人广播服务的提供方法，以使观众能够发送和接收双向广播服务。 构成：观众参与型个人广播服务的提供方法包括以下步骤：从观众设备（310）接收内容制作模糊模块的使用请求消息，并确定使用内容制作模糊模块的授权; 接收使用所述内容制作模糊模块使用程序提供服务器（400）产生的观众参与节目; 以及将授权的观看者参与节目传送给多个观看者设备。

公开(公告)号：KR1020120062550A

公开(公告)日：2012-06-14

申请号：KR1020100123852

申请日：2010-12-06

Applicant: 한국전자통신연구원

Inventor： 조용성 ,  최동준 ,  이수인

IPC: H04N7/173

CPC classification number: H04N21/6334 ,  H04H60/14 ,  H04N21/2221

Abstract: PURPOSE: A terminal authentication based multi-screen service supplying method and an apparatus thereof are provided to protect broadcasting content which is shared between a main terminal and a client terminal. CONSTITUTION: A broadcasting head-end(400) determines whether to permit use of a broadcasting service in a first terminal based on information of a main terminal(410) and a client terminal(420). The broadcasting head-end transmits a broadcasting service use permit message of the main terminal to the client terminal. The client terminal confirms the broadcasting service use permit message.

Abstract translation: 目的：提供基于终端认证的多屏幕服务提供方法及其装置，以保护在主终端和客户端之间共享的广播内容。 构成：广播前端（400）基于主终端（410）和客户终端（420）的信息确定是否允许在第一终端中使用广播服务。 广播前端向客户端发送主终端的广播业务使用许可消息。 客户终端确认广播业务使用许可证消息。

公开(公告)号：KR1020120056640A

公开(公告)日：2012-06-04

申请号：KR1020100118272

申请日：2010-11-25

Applicant: 한국전자통신연구원

Inventor： 정준영 ,  최동준 ,  이수인

IPC: H04L12/28 ,  H04L12/26 ,  H04L1/00 ,  H04B3/04 ,  G06F17/50

CPC classification number: H04L12/2801 ,  G06F17/5054 ,  H04B3/04 ,  H04L1/004 ,  H04L43/087

Abstract: PURPOSE: A frame construction method for transmitting DOCSIS(Data Over Cable Service Interface Specification) data and apparatus thereof are provided to minimize the temporal jitter of transmission data and the transmission over head of a downlink PHY(PHYsical) layer. CONSTITUTION: An MAC(Media Access Control) frame division block(201) divides an MAC frame into an MAC management data frame and a user data frame. An input signal processing block(101) previously processes the MAC management data frame and the user data frame. The input signal processing block receives a head-end reference time. A data slice building block(104) creates a data slice based on the user data frame and the MAC management data frame through the input signal processing block.

Abstract translation: 目的：提供一种用于传输DOCSIS（数据有线服务接口规范）数据及其装置的帧构造方法，以最小化传输数据的时间抖动和下行PHY（PHY）层的头部传输。 构成：MAC（媒体访问控制）帧划分块（201）将MAC帧划分为MAC管理数据帧和用户数据帧。 输入信号处理块（101）预先处理MAC管理数据帧和用户数据帧。 输入信号处理块接收头端参考时间。 数据切片构建块（104）通过输入信号处理块基于用户数据帧和MAC管理数据帧创建数据切片。

公开(公告)号：KR101151171B1

公开(公告)日：2012-06-01

申请号：KR1020080130862

申请日：2008-12-22

Applicant: 한국전자통신연구원

Inventor： 최동준 ,  권오형 ,  이수인

IPC: H04L12/28 ,  H04L12/801 ,  H04L1/00

CPC classification number: H04L12/2801 ,  H04L1/0083 ,  H04L47/34

Abstract: 본발명은 HFC(Hybrid Fiber Cable)망에서채널본딩(Channel Bonding)된상향버스트데이터(burst data)를효율적으로수신하는방법및 장치에관한것으로, 구체적으로케이블모뎀종단시스템(CMTS, Cable Modem Termination System)에서케이블모뎀이전송하는세그먼트형태의버스트데이터를대역할당에사용된상향대역할당정보를이용하여원래의순서대로정렬하고, DOCSIS MAC 데이터의형식으로복원하기위한수신장치및 방법에관한것이다.

公开(公告)号：KR1020120051466A

公开(公告)日：2012-05-22

申请号：KR1020100112910

申请日：2010-11-12

Applicant: 한국전자통신연구원

Inventor： 김순철 ,  최동준 ,  이호숙 ,  이수인

IPC: H04N7/173 ,  H04N5/44

CPC classification number: H04N21/4126 ,  H04N21/42204 ,  H04N21/42209

Abstract: PURPOSE: A broadcast program transmission request method and transmission method thereof are provided to effectively use broadcast resources by enabling plural terminals to share broadcast content in multi-screen environment. CONSTITUTION: A user transmits a preview join message to an SDV(Switched Digital Video) server(S550). The user watches the selected broadcast programs through a preview terminal(S560). In case the user watches the broadcast program through a main-view terminal, the user transmits a main-view join message from SDV system to the preview terminal(S570,S580). The user watches the selected broadcast program through the main-view terminal(S590).

Abstract translation: 目的：提供一种广播节目传输请求方法及其发送方法，通过使多个终端能够在多屏幕环境中共享广播内容，有效地使用广播资源。 构成：用户将预览加入消息发送到SDV（切换数字视频）服务器（S550）。 用户通过预览终端观看所选择的广播节目（S560）。 在用户通过主视点观看广播节目的情况下，用户从SDV系统向预览终端发送主视图加入消息（S570，S580）。 用户通过主视点观看所选择的广播节目（S590）。