公开(公告)号：WO2008140162A1

公开(公告)日：2008-11-20

申请号：PCT/KR2007/005644

申请日：2007-11-09

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  PARK, Sung-Ik ,  KIM, Heung-Mook ,  SEO, Jae-Hyun ,  EUM, Ho-Min ,  LEE, Jae-Young ,  LEE, Yong-Tae ,  LIM, Jong-Soo ,  LEE, Soo-In

Inventor： PARK, Sung-Ik ,  KIM, Heung-Mook ,  SEO, Jae-Hyun ,  EUM, Ho-Min ,  LEE, Jae-Young ,  LEE, Yong-Tae ,  LIM, Jong-Soo ,  LEE, Soo-In

IPC: H04B7/14

CPC classification number: H04B7/15585

Abstract: Provided are an on- channel repeater and an on- channel repeating method. The on-channel repeater includes : a receiving means for receiving a Radio Frequency (RF) signal; a subtracting means for subtracting a replica of feedback signals from the signal received by the receiving means; a replica generating means for calculating the replica based on the signal acquired from the subtraction in the subtracting means and feeding back the replica to the subtracting means; an inverse channel estimating means for estimating inverse of a reception channel based on the signal acquired from the subtraction in the subtracting means and generating filter tab coefficients; a first adaptive filtering means for compensating for channel distortion of the signal subtracted by the subtracting means based on the filter tab coefficients generated in the inverse channel estimating means; and a transmitting means for converting a signal whose channel distortion is compensated by the first adaptive filtering means into an RF signal and performing radio transmission.

Abstract translation: 提供了一种在线通道中继器和在线重复方法。 所述同频中继器包括：接收装置，用于接收射频（RF）信号; 减法装置，用于从接收装置接收的信号中减去反馈信号的副本; 复制产生装置，用于基于从减法装置中减法获得的信号计算副本，并将副本反馈给减法装置; 反向信道估计装置，用于基于从减法装置中的减法获得的信号估计接收信道的反向，并产生滤波器标签系数; 第一自适应滤波装置，用于基于在反向信道估计装置中产生的滤波器选项卡系数来补偿由减法装置减去的信号的信道失真; 以及发送装置，用于将由第一自适应滤波装置补偿的信道失真的信号转换为RF信号并执行无线电发送。

公开(公告)号：WO2008075832A1

公开(公告)日：2008-06-26

申请号：PCT/KR2007/005172

申请日：2007-10-22

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  LEE, Jinhwan ,  LEE, Yong-Hoon ,  AHN, Chung-Hyun ,  LEE, Soo-In

Inventor： LEE, Jinhwan ,  LEE, Yong-Hoon ,  AHN, Chung-Hyun ,  LEE, Soo-In

IPC: H04N7/167

CPC classification number: H04N7/1675 ,  H04H60/15 ,  H04H60/19 ,  H04H60/23 ,  H04H2201/11 ,  H04H2201/20 ,  H04N7/165 ,  H04N21/2408 ,  H04N21/25891 ,  H04N21/26606 ,  H04N21/4623 ,  H04N21/6112

Abstract: Provided are transmission and reception apparatuses and methods used in a conditional access system that limitedly allows access to a terrestrial digital multimedia broadcasting (T-DMB) service. The transmission apparatus selects a single service component from a transmission frame which includes a main service channel (MSC) including sub-channels including one or more service components and a fast information channel (FIC) which transmits control information regarding the main service channel to insert an entitlement management message (EMM) that is used to grant or update the entitlement on the DMB service to the selected single service component, and provides location information regarding the selected single service component to the fast information channel.

Abstract translation: 提供了在有限地允许访问地面数字多媒体广播（T-DMB）服务的条件访问系统中使用的发送和接收装置和方法。 传输装置从包括包括一个或多个服务组件的子信道的主服务信道（MSC）和传送关于主服务信道的控制信息的快速信息信道（FIC）的传输帧中选择一个服务组件，以插入 授权管理消息（EMM），用于将DMB服务上的授权许可或更新到所选择的单个服务组件，并将有关所选择的单个服务组件的位置信息提供给快速信息通道。

公开(公告)号：WO2008069509A1

公开(公告)日：2008-06-12

申请号：PCT/KR2007/006160

申请日：2007-11-30

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  JEONG, Youngho ,  KIM, Hyungon ,  AHN, Chung-Hyun ,  LEE, Soo-In

Inventor： JEONG, Youngho ,  KIM, Hyungon ,  AHN, Chung-Hyun ,  LEE, Soo-In

IPC: H04N7/00

CPC classification number: H04H20/26

Abstract: Provided are an apparatus and method for switching a DMB channel in a DMB multiple frequency network. The apparatus includes a handoff sensing unit for sensing a handoff operation between mobile communication base stations, which is performed according to movement of a DMB terminal, and a channel switching unit for determining necessity of switching a DMB channel when the handoff operation is sensed by the handoff sensing unit and a new mobile communication base station coverage is entered.

Abstract translation: 提供了一种用于在DMB多频网络中切换DMB信道的装置和方法。 该装置包括：切换检测单元，用于感测根据DMB终端的移动执行的移动通信基站之间的切换操作;以及信道切换单元，用于在切换操作由DMB终端检测到切换操作时确定切换DMB信道的必要性 切换感测单元和新的移动通信基站覆盖进入。

公开(公告)号：WO2008056902A1

公开(公告)日：2008-05-15

申请号：PCT/KR2007/005366

申请日：2007-10-30

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  PARK, Sung-Ik ,  LIM, Hyoung-Soo ,  KIM, Heung-Mook ,  LIM, Jong-Soo ,  LEE, Soo-In

Inventor： PARK, Sung-Ik ,  LIM, Hyoung-Soo ,  KIM, Heung-Mook ,  LIM, Jong-Soo ,  LEE, Soo-In

IPC: H04L27/26

CPC classification number: H04L25/022 ,  H04L25/0232 ,  H04L25/025 ,  H04L27/2647

Abstract: Provided is a channel estimation apparatus and method using a linear/nonlinear average in a wireless communication system. The present research provides a channel estimation apparatus and method for estimating a channel between a transmitter and a receiver from a pilot-inserted OFDM signal and linearly or nonlinearly averaging the estimating channel, thereby preventing the equalizer performance from being degraded by noise component of the estimated channel and noise amplification caused by deep fading. The channel estimation apparatus includes: a channel estimation unit configured to estimate a channel coefficient of a channel between a transmitter and a receiver from a pilot-inserted carrier signal according to pilot arrangement; and a linear/nonlinear averaging unit configured to linearly or nonlinearly averaging the estimated channel coefficient, thereby preventing an equalizer performance from being degraded by noise component existing in the channel and noise amplification caused by deep fading.

Abstract translation: 提供了一种在无线通信系统中使用线性/非线性平均的信道估​​计装置和方法。 本研究提供了一种信道估计装置和方法，用于从导频插入OFDM信号估计发射机和接收机之间的信道，并且对估计信道进行线性或非线性平均，从而防止均衡器性能被估计的噪声分量降低 通道和噪声放大引起的深度衰落。 信道估计装置包括：信道估计单元，被配置为根据导频布置从导频插入载波信号估计发射机和接收机之间的信道的信道系数; 以及线性/非线性平均单元，被配置为对所估计的信道系数进行线性或非线性平均化，从而防止均衡器性能由存在于信道中的噪声分量和由深衰落引起的噪声放大降低。

公开(公告)号：WO2008051041A1

公开(公告)日：2008-05-02

申请号：PCT/KR2007/005294

申请日：2007-10-25

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  PARK, Sea-Nae ,  SIM, Dong-Gyu ,  NAM, Jung-Hak ,  CHO, Suk-Hee ,  KWON, Hyoung-Jin ,  HUR, Nam-Ho ,  KIM, Jin-Woong ,  LEE, Soo-In

Inventor： PARK, Sea-Nae ,  SIM, Dong-Gyu ,  NAM, Jung-Hak ,  CHO, Suk-Hee ,  KWON, Hyoung-Jin ,  HUR, Nam-Ho ,  KIM, Jin-Woong ,  LEE, Soo-In

IPC: H04N7/24

CPC classification number: H04N21/64792 ,  H04N19/105 ,  H04N19/13 ,  H04N19/136 ,  H04N19/187 ,  H04N19/31 ,  H04N19/33 ,  H04N19/46 ,  H04N19/51 ,  H04N19/597 ,  H04N19/61 ,  H04N19/615 ,  H04N19/63 ,  H04N19/87

Abstract: Provided are a scalable video coding and decoding apparatus and method for multiview video. The apparatus includes a basic scalability video encoder separating one basic video to video frames and performing scalable video coding through temporal and spatial prediction, and multiple extended scalability video encoders for receiving an own video and one or more adjacent videos as reference videos captured simultaneously, separating the received videos in video frames, performing scalable video coding for the separated low resolution image frame through temporal and spatial prediction with reference to the adjacent video frames at same temporal axis as well as own adjacent frame, and performing scalable video coding for the separated high resolution video frame through temporal and spatial prediction referring to lower layers of the adjacent video frames at same temporal axis as well as an own lower layer.

Abstract translation: 提供了一种用于多视图视频的可缩放视频编码和解码设备和方法。 该装置包括将一个基本视频与视频帧分离并且通过时间和空间预测执行可缩放视频编码的基本可扩展性视频编码器，以及用于接收自己的视频和一个或多个相邻视频作为同时捕获的参考视频的多个扩展可扩展性视频编码器，分离 在视频帧中接收到的视频，通过参考相同时间轴上的相邻视频帧以及自己的相邻帧，通过时间和空间预测对分离的低分辨率图像帧执行可缩放视频编码，以及对分离的高位执行可缩放视频编码 通过时间和空间预测参考相同时间轴上的相邻视频帧的较低层以及自己的下层来分辨视频帧。

公开(公告)号：WO2007081117A1

公开(公告)日：2007-07-19

申请号：PCT/KR2007/000083

申请日：2007-01-05

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  CHO, Suk-Hee ,  HUR, Namho ,  LEE, Soo-In ,  LEE, Yung-Lyul ,  HUR, Jae-Ho ,  KIM, Dae-Yeon ,  LEE, Yung-Ki

Inventor： CHO, Suk-Hee ,  HUR, Namho ,  LEE, Soo-In ,  LEE, Yung-Lyul ,  HUR, Jae-Ho ,  KIM, Dae-Yeon ,  LEE, Yung-Ki

IPC: H04N7/24

CPC classification number: H04N19/114 ,  H04N19/597

Abstract: Provided is an inter-view frame reference method and apparatus used in multi-view video encoding. In the present invention, pictures at the sequence of spatially closer viewpoints are preferentially referred to from among pictures at previously encoded viewpoints in each Group Of Pictures (GOP), except for a basic GOP that makes only a temporal frame reference at its viewpoint, an Instantaneous Decoder Refresh (IDR) picture, and pictures at the last point of time of encoding.

Abstract translation: 提供了一种在多视点视频编码中使用的视角间参考方法和装置。 在本发明中，除了在其视点上仅作为时间帧参考的基本GOP之外，在每组图像（GOP）中，在先前编码的视点的图像之间优先地参照空间关闭视点序列的图像， 即时解码器刷新（IDR）图像，以及最后编码时刻的图像。

公开(公告)号：WO2006004303A1

公开(公告)日：2006-01-12

申请号：PCT/KR2005/000966

申请日：2005-04-01

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  KIM, Sung-Hoon ,  JI, Kum-Ran ,  LEE, Jae-Young ,  KIM, Seung-Won ,  LEE, Soo-In ,  AHN, Chieteuk

Inventor： KIM, Sung-Hoon ,  JI, Kum-Ran ,  LEE, Jae-Young ,  KIM, Seung-Won ,  LEE, Soo-In ,  AHN, Chieteuk

IPC: H04N7/015

CPC classification number: H03M13/256 ,  H03M13/253 ,  H03M13/2732 ,  H03M13/2936 ,  H03M13/356 ,  H04L1/006 ,  H04L1/007 ,  H04L1/0071

Abstract: Provided are a Vestigial Side Band (VSB) Digital Television (DTV) transmitter and receiver based on the Advanced Television System Committee (ATSC) A/53, and a method thereof. The present invention provides 8-VSB DTV transmitter and receiver that can improve reception performance of the receiver by transmitting and double streams formed of normal data and robust data without increasing an average power level, regardless of the ratio of the normal data and robust data, by including an encoding unit for performing 16-state trellis coding on the robust data when a data stream includes robust data, and a method thereof.

Abstract translation: 提供了基于高级电视系统委员会（ATSC）A / 53的残留边带（VSB）数字电视（DTV）发射机和接收机及其方法。 本发明提供8-VSB数字电视发射机和接收机，无论普通数据和鲁棒数据的比例如何，都可以通过发送和正常数据和鲁棒数据形成的双流来提高接收机的接收性能，而不增加平均功率电平， 通过在数据流包含鲁棒数据时，包括用于对鲁棒数据执行16状态网格编码的编码单元及其方法。

公开(公告)号：WO2005114999A1

公开(公告)日：2005-12-01

申请号：PCT/KR2005/001112

申请日：2005-04-19

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  LEE, Bong-Ho ,  YANG, Kyu-Tae ,  PAPK, So-Ra ,  KIM, Hee-Jeong ,  HAHM, Young-Kwon ,  LEE, Soo-In

Inventor： LEE, Bong-Ho ,  YANG, Kyu-Tae ,  PAPK, So-Ra ,  KIM, Hee-Jeong ,  HAHM, Young-Kwon ,  LEE, Soo-In

IPC: H04N7/08

CPC classification number: H04N21/443 ,  H04N21/235 ,  H04N21/23614 ,  H04N21/4348 ,  H04N21/435 ,  H04N21/4351 ,  H04N21/440236 ,  H04N21/6125 ,  H04N21/6143 ,  H04N21/6175

Abstract: Disclosed are an apparatus and a method for processing multimodal data broadcasting and a system and a method for receiving multimodal data broadcasting. The multimodal data broadcasting processing apparatus includes: at least one interfacing unit for receiving contents transferred from a data broadcasting server and storing the contents; a multimodal browsing unit for parsing the stored contents, classifying the contents and interpreting the classified contents to generate instructions and data necessary for running a corresponding browsing unit; a graphic browsing unit for generating a graphic output signal according to the instructions and data necessary for running the graphic browsing unit; a voice browsing unit for generating a speech output signal according to the instructions and data necessary for running the voice browsing unit; a graphic output unit for outputting graphics according to the graphic output signal; and a speech output unit for outputting speech according to the speech output signal.

Abstract translation: 公开了一种用于处理多模式数据广播的装置和方法，以及用于接收多模式数据广播的系统和方法。 多模式数据广播处理装置包括：至少一个接口单元，用于接收从数据广播服务器传送的内容并存储内容; 用于解析存储的内容的多模式浏览单元，对内容进行分类并解释分类内容以生成用于运行相应浏览单元所需的指令和数据; 图形浏览单元，用于根据用于运行图形浏览单元所需的指令和数据产生图形输出信号; 语音浏览单元，用于根据用于运行语音浏览单元所需的指令和数据产生语音输出信号; 图形输出单元，用于根据图形输出信号输出图形; 以及用于根据语音输出信号输出语音的语音输出单元。

公开(公告)号：WO2005109876A1

公开(公告)日：2005-11-17

申请号：PCT/KR2004/003560

申请日：2004-12-31

Applicant: Electronics and Telecommunications Research Institute ,  SEO, Jae-Hyun ,  LEE, Yong-Tae ,  KIM, Heung-Mook ,  EUM, Ho-Min ,  PARK, Sung-Ik ,  KIM, Seung-Won ,  LEE, Soo-In

Inventor： SEO, Jae-Hyun ,  LEE, Yong-Tae ,  KIM, Heung-Mook ,  EUM, Ho-Min ,  PARK, Sung-Ik ,  KIM, Seung-Won ,  LEE, Soo-In

IPC: H04N7/015

CPC classification number: H04L25/242 ,  H04B7/155 ,  H04L2025/03375 ,  H04N5/211 ,  H04N5/38

Abstract: Provided are an on-channel repeater and a method thereof. The repeater receives signals on one channel and distributes the signals on the same channel by converting RF signals from a main transmitter into baseband signals; equalizing them in a high-performance equalizer; adding a repeater identifier to them; modulating the baseband signals with the repeater identifier into RF signals. The repeater includes: a receiver for receiving RF signals; a demodulator for demodulating the RF signals into baseband signals; an equalizer for equalizing the baseband signals; an adder for adding a repeater identifier to the baseband signals; a modulator for modulating the baseband signals with the repeater identifier added in the adder into RF signals; and a transmitter for transmitting the RF signals modulated in the modulator. The technology of the present invention is used to form an on-channel repeating network in an arbitrary transmission system including a digital television broadcasting system.

Abstract translation: 提供一种同频中继器及其方法。 中继器在一个信道上接收信号，并通过将主发射机的射频信号转换成基带信号将信号分配到同一信道上; 在高性能均衡器中均衡它们; 向他们添加中继器标识符; 将具有中继器标识符的基带信号调制成RF信号。 中继器包括：用于接收RF信号的接收机; 用于将RF信号解调为基带信号的解调器; 用于均衡基带信号的均衡器; 加法器，用于将中继器标识符与基带信号相加; 调制器，用加法器中加入的中继器标识符将基带信号调制成RF信号; 以及用于发送在调制器中调制的RF信号的发射机。 本发明的技术用于在包括数字电视广播系统的任意传输系统中形成一个信道上重复网络。

公开(公告)号：WO2005069616A1

公开(公告)日：2005-07-28

申请号：PCT/KR2004/003559

申请日：2004-12-31

Applicant: Electronics and Telecommunications Research Institute ,  PARK, Sung-Ik ,  LEE, Yong-Tae ,  EUM, Ho-Min ,  KIM, Heung-Mook ,  SEO, Jae-Hyun ,  KIM, Seung-Won ,  LEE, Soo-In

Inventor： PARK, Sung-Ik ,  LEE, Yong-Tae ,  EUM, Ho-Min ,  KIM, Heung-Mook ,  SEO, Jae-Hyun ,  KIM, Seung-Won ,  LEE, Soo-In

IPC: H04N7/015

CPC classification number: H04N21/6112 ,  H04N5/40

Abstract: Provided is a modulating apparatus and method of an on-channel repeater. An object of the present invention is to provide a modulating apparatus of an on-channel repeater for reducing time delay by configuring and up-sampling a baseband signal, filtering the up-sampled baseband signal with an Equi-Ripple (ER) filter or in a window method, and converting the filtered baseband signal into an RF signal. The modulating apparatus includes: a baseband signal configuring unit for configuring a baseband. signal by combining an input field and a segment sync signal; a pilot adding unit for adding a pilot signal to the baseband signal; a filtering unit for filtering the baseband signal with the pilot signal; and an RF up-converting unit for up-converting the filtered signal into an RF signal. The present invention is used to form an on-channel repeating network in a transmitting system including a digital TV broadcasting system.

Abstract translation: 提供了一种频道内中继器的调制装置和方法。 本发明的目的是提供一种通道内中继器的调制装置，用于通过对基带信号进行配置和上采样来减少时间延迟，用等波纹（ER）滤波器对上采样的基带信号进行滤波，或者 窗口方法，并将滤波后的基带信号转换为RF信号。 调制装置包括：用于配置基带的基带信号配置单元。 信号通过组合输入场和段同步信号; 导频添加单元，用于向所述基带信号添加导频信号; 滤波单元，用于利用导频信号对基带信号进行滤波; 以及用于将经滤波的信号上变频为RF信号的RF上变频单元。 本发明用于在包括数字电视广播系统的发送系统中形成一个信道上重复网络。