公开(公告)号：WO2008069592A1

公开(公告)日：2008-06-12

申请号：PCT/KR2007/006314

申请日：2007-12-06

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

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

IPC: H04B7/155

CPC classification number: H04B7/155 ,  H04L7/0029

Abstract: Provided is a frequency synchronizing apparatus and method that can synchronize center frequency of radio frequency (RF) transmission signals among distributed repeaters using identical signals as mother signals by reflecting sampling information acquired in a timing recovery process of reception signals transmitted from a main transmitter or other repeaters. The apparatus for synchronizing frequency in distributed repeaters includes: a timing recoverer for compensating sampling timing offset of reception signals; an intermediate frequency (IF) timing offset information reflector for applying the sampling timing offset information extracted in the timing recoverer to digital-to-analog conversion; and a radio frequency (RF) timing offset information reflector for applying the sampling timing offset information extracted in the timing recoverer to RF up-conversion as a reference signal.

Abstract translation: 提供了一种频率同步装置和方法，其可以通过反映在从主发射机等发送的接收信号的定时恢复处理中获取的采样信息，使得使用与母信号相同的信号来分配分布式中继器中的射频（RF）传输信号的中心频率 中继器。 用于在分布式中继器中同步频率的装置包括：用于补偿接收信号的采样定时偏移的定时恢复器; 中频（IF）定时偏移信息反射器，用于将在定时恢复器中提取的采样定时偏移信息应用于数 - 模转换; 以及射频（RF）定时偏移信息反射器，用于将在定时恢复器中提取的采样定时偏移信息应用于RF上变频作为参考信号。

公开(公告)号：WO2008069580A1

公开(公告)日：2008-06-12

申请号：PCT/KR2007/006291

申请日：2007-12-05

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

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

IPC: H04N7/015

CPC classification number: H04H20/12

Abstract: Provided are an apparatus and method for compensating a feedback path distortion in a digital broadcasting signal. The apparatus for improving a performance of a pre-equalizer in a transmitter of a digital broadcasting system having a feedback path for adaptively generating a filter coefficient of the pre-equalizer, includes a reference signal generator for generating a reference radio frequency (RF) signal, a feedback path estimator for estimating transmission band characteristic information for the feedback path based on the reference RF signal generated from the reference signal generator, and a feedback path compensator for compensating a demodulated signal transferred through the feedback path based on the estimated transmission band characteristic information from the feedback path estimator and generating a filter coefficient of the pre-equalizer.

Abstract translation: 提供了一种用于补偿数字广播信号中的反馈路径失真的装置和方法。 用于改善具有用于自适应地生成预均衡器的滤波器系数的反馈路径的数字广播系统的发射机中的前置均衡器的性能的装置包括：参考信号发生器，用于产生参考射频（RF）信号 基于从参考信号发生器产生的参考RF信号估计用于反馈路径的传输频带特性信息的反馈路径估计器，以及用于基于所估计的传输频带特性补偿通过反馈路径传送的解调信号的反馈路径补偿器 来自反馈路径估计器的信息并产生预均衡器的滤波器系数。

公开(公告)号：WO2008069506A1

公开(公告)日：2008-06-12

申请号：PCT/KR2007/006154

申请日：2007-11-30

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

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

IPC: H04L25/20

CPC classification number: H04L25/20 ,  H04B7/15557 ,  H04B7/15585 ,  H04H20/06 ,  H04H20/22 ,  H04H20/67 ,  H04L25/03006

Abstract: Provided are a distributed repeater for repeating output signals identical to input signals through a channel different from that of main transmitter signals but identical to channels of other distributed repeaters, and a distributed repeating method thereof. The distributed repeater includes: a pre-processing unit configured to receive a radio frequency (RF) signal transmitted from an external device and demodulate the RF signal into a baseband signal; an equalizer configured to equalize the baseband signal to correct a distortion occurring on a transmission channel; an identification signal generation and insertion unit configured to generate an identification signal for identification of the distributed repeater and network conditioning, and insert the identification signal in the equalized baseband signal; and a post-processing unit configured to convert the baseband signal from the identification signal generation and insertion unit into an RF signal, and send the RF signal.

Abstract translation: 提供一种分布式中继器，用于通过与主发射机信号不同的信道重复与输入信号相同的输出信号，但与其他分布式中继器的信道相同的输出信号及其分布式重复方法。 分布式中继器包括：预处理单元，被配置为接收从外部设备发送的射频（RF）信号，并将RF信号解调为基带信号; 均衡器，其被配置为均衡所述基带信号以校正发生在传输信道上的失真; 识别信号生成和插入单元，被配置为生成用于识别所述分布式中继器的识别信号和网络调理，并将所述识别信号插入所述均衡的基带信号中; 以及后处理单元，被配置为将来自识别信号生成和插入单元的基带信号转换为RF信号，并发送RF信号。

公开(公告)号：WO2008066258A1

公开(公告)日：2008-06-05

申请号：PCT/KR2007/005473

申请日：2007-10-31

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  LIM, Hyoungsoo ,  PARK, So-Ra ,  KIM, Sung-Hoon ,  BAE, Jae-Hwui ,  LIM, Jong-Soo ,  LEE, Soo-In

Inventor： LIM, Hyoungsoo ,  PARK, So-Ra ,  KIM, Sung-Hoon ,  BAE, Jae-Hwui ,  LIM, Jong-Soo ,  LEE, Soo-In

IPC: H04L27/36

CPC classification number: H04L27/2604 ,  H04L25/022 ,  H04L25/0236

Abstract: Provided are hierarchical modulation apparatus and method using a pilot signal and an apparatus and method for receiving a hierarchically modulated signal. The hierarchical modulation apparatus comprises a first encoder encoding a first layer signal sequence, a second encoder encoding a second layer signal sequence, a pilot inserting unit inserting a pilot signal into the signal sequence encoded by the second encoder, and a hierarchical modulator modulating the signals output from the first encoder and the pilot inserting unit and combining the modulated signals.

Abstract translation: 提供了使用导频信号的分级调制装置和方法以及用于接收分级调制信号的装置和方法。 分级调制装置包括编码第一层信号序列的第一编码器，编码第二层信号序列的第二编码器，将导频信号插入到由第二编码器编码的信号序列中的导频插入单元，以及调制信号 从第一编码器和导频插入单元输出并组合调制信号。

公开(公告)号：WO2007086683A1

公开(公告)日：2007-08-02

申请号：PCT/KR2007/000425

申请日：2007-01-24

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  LEE, Bong-Ho ,  KIM, Heejeong ,  PARK, So-Ra ,  AHN, Chung-Hyun ,  LEE, Soo-In

Inventor： LEE, Bong-Ho ,  KIM, Heejeong ,  PARK, So-Ra ,  AHN, Chung-Hyun ,  LEE, Soo-In

IPC: H04N7/08

CPC classification number: H04H20/95 ,  G10L13/00 ,  H04N5/44543 ,  H04N21/42203 ,  H04N21/439 ,  H04N21/472 ,  H04N21/482 ,  H04N21/4825

Abstract: Provided is an electronic program guide (EPG) service using an EPG extensible markup language (XML) in a digital audio broadcasting (DAB)/digital multimedia broad casting (DMB) system, and more particularly, a voice-enabled EPG provision method which enables a user to listen to desired program information without looking at a screen or a liquid crystal display (LCD) panel or make a desired input by voice or through other interfaces while watching a broadcasting program by adding a voice input/output function to an EPG service. In this method, a tag for an interactive voice input/output function, i.e., an interactive dialog between a user and a system, is added or extended to an EPG XML which was designed to provide a text or screen-based EPG service. Therefore, the DAB/DMB system can have the voice input/output function in addition to text and graphics output functions. These functions enable a user to listen to or view desired program information through a screen, by voice, or in an integrated mode of the screen and voice while on the move.

Abstract translation: 提供了一种在数字音频广播（DAB）/数字多媒体广播（DMB）系统中使用EPG可扩展标记语言（XML）的电子节目指南（EPG）服务，更具体地说，一种支持语音的EPG提供方法， 用户在不观看屏幕或液晶显示（LCD）面板的情况下收听期望的节目信息，或者通过向EPG服务添加语音输入/输出功能来观看广播节目时通过语音或通过其他接口进行期望的输入 。 在该方法中，用于交互式语音输入/输出功能的标签，即用户和系统之间的交互式对话被添加或扩展到被设计为提供基于文本或基于屏幕的EPG服务的EPG XML。 因此，除了文本和图形输出功能之外，DAB / DMB系统还可以具有语音输入/输出功能。 这些功能使用户能够通过屏幕，语音或在移动中的屏幕和语音的集成模式中收听或查看所需的节目信息。

公开(公告)号：WO2007066884A1

公开(公告)日：2007-06-14

申请号：PCT/KR2006/003800

申请日：2006-09-25

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  KIM, Hee-Jeong ,  LEE, Gwang-Soon ,  YANG, Kyu-Tae ,  KIM, Kwang-Yong ,  HAHM, Young-Kwon ,  AHN, Chung-Hyun ,  LEE, Soo-In

Inventor： KIM, Hee-Jeong ,  LEE, Gwang-Soon ,  YANG, Kyu-Tae ,  KIM, Kwang-Yong ,  HAHM, Young-Kwon ,  AHN, Chung-Hyun ,  LEE, Soo-In

IPC: G08G1/09 ,  H04Q7/24

CPC classification number: G08G1/127 ,  G08G1/096716 ,  G08G1/096741 ,  G08G1/096775

Abstract: Provided is an apparatus and method for providing customized public transportation information in a Digital Multimedia Broadcasting (DMB) terminal. In a transmitter of the DMB terminal, a data collecting/sorting unit collects public transportation information from a traffic information collector, and sorts the collected public transportation information into static data and dynamic data according to time variance. A transmission processing unit transmits the static data periodically and the dynamic data in real time.

Abstract translation: 提供了一种在数字多媒体广播（DMB）终端中提供定制的公共交通信息的装置和方法。 在DMB终端的发射机中，数据采集/分类单元从交通信息采集器收集公共交通信息，并根据时间差异将收集的公共交通信息分类为静态数据和动态数据。 传输处理单元周期性地发送静态数据和实时地发送动态数据。

公开(公告)号：WO2007058517A1

公开(公告)日：2007-05-24

申请号：PCT/KR2006/004901

申请日：2006-11-21

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  LEE, Bong-Ho ,  PARK, So-Ra ,  KIM, Hee-Jeong ,  YANG, Kyu-Tae ,  AHN, Chung-Hyun ,  LEE, Soo-In

Inventor： LEE, Bong-Ho ,  PARK, So-Ra ,  KIM, Hee-Jeong ,  YANG, Kyu-Tae ,  AHN, Chung-Hyun ,  LEE, Soo-In

IPC: H04N7/00

CPC classification number: H04H60/82 ,  H04H2201/20 ,  H04N21/234318 ,  H04N21/4307 ,  H04N21/4782 ,  H04N21/8106 ,  H04N21/8126 ,  H04N21/8543 ,  H04N21/8547

Abstract: Provided is a digital broadcasting service, more particularly, a method for providing a Web service that can simultaneously input/output speech data along with visual data by integrating speech Web data with broadcasting Web sites (BWS) provided for a multimedia broadcasting in a digital multimedia broadcasting (DMB) system configured based on a digital audio broadcasting (DAB), and an apparatus thereof . The method for synchronizing visual data with speech data includes the steps of : a) generating a visual Web document; b) generating a speech Web document including synchronization tags related to the visual Web document; and c) identifying the speech Web document and the visual Web document based on a sub-channel or a directory and transmitting the speech Web document and the visual Web document independently.

Abstract translation: 更具体地，提供一种用于提供Web服务的方法，该Web服务可以通过将语音Web数据与为数字多媒体中的多媒体广播提供的广播网站（BWS）集成而同时输入/输出语音数据以及视觉数据 基于数字音频广播（DAB）配置的广播（DMB）系统及其装置。 用于将视觉数据与语音数据同步的方法包括以下步骤：a）生成可视Web文档; b）生成包括与所述可视Web文档相关的同步标签的语音Web文档; 以及c）基于子信道或目录识别语音Web文档和可视Web文档，并独立地发送语音Web文档和可视Web文档。

公开(公告)号：WO2007011161A1

公开(公告)日：2007-01-25

申请号：PCT/KR2006/002831

申请日：2006-07-19

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  KIM, Sung-Hoon ,  LEE, Jae-Young ,  KIM, Seung-Won ,  LEE, Soo-In ,  AHN, Chieteuk ,  LEE, Ho-Kyoung ,  KIM, Chang-Joong

Inventor： KIM, Sung-Hoon ,  LEE, Jae-Young ,  KIM, Seung-Won ,  LEE, Soo-In ,  AHN, Chieteuk ,  LEE, Ho-Kyoung ,  KIM, Chang-Joong

IPC: H03M13/23

CPC classification number: H03M13/25 ,  H03M13/256 ,  H03M13/6516 ,  H04L1/0041 ,  H04L1/0059

Abstract: Provided are a method of estimating an encoder for dual stream transmission, and an encoder using the same. The method includes the steps of : a) setting up the number of memories required for an encoder, a free distance condition for robust data, and a free distance condition for mixed stream of robust data and normal data; b) obtaining 1/2 rate encoder combinations that sustain backward compatibility with a typical trellis encoder; c) obtaining encoder combinations H that satisfy the free distance condition for the robust data and the free distance condition for the mixed stream from the 1/2 rate encoder combinations; d) obtaining relations between memories and input/output signals, which satisfy the encoder combinations H; and e) configuring an encoder according to the obtained relation between the memories and the input/output signals.

Abstract translation: 提供了一种用于估计用于双流传输的编码器的方法，以及使用其的编码器。 该方法包括以下步骤：a）建立编码器所需的存储器数量，鲁棒数据的自由距离条件以及稳健数据和正常数据的混合流的自由距离条件; b）获得与典型网格编码器保持向后兼容性的1/2速率编码器组合; c）获得满足来自1/2速率编码器组合的混合流的鲁棒数据和自由距离条件的自由距离条件的编码器组合H; d）获得满足编码器组合H的存储器和输入/输出信号之间的关系; 以及e）根据获得的存储器与输入/输出信号之间的关系配置编码器。

公开(公告)号：WO2007008030A1

公开(公告)日：2007-01-18

申请号：PCT/KR2006/002724

申请日：2006-07-11

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  KIM, Sung-Hoon ,  LEE, Jae-Young ,  KIM, Seung-Won ,  LEE, Soo-In ,  AHN, Chieteuk ,  LEE, Ho-Kyoung ,  KIM, Chang-Joong

Inventor： KIM, Sung-Hoon ,  LEE, Jae-Young ,  KIM, Seung-Won ,  LEE, Soo-In ,  AHN, Chieteuk ,  LEE, Ho-Kyoung ,  KIM, Chang-Joong

IPC: H04N7/24

CPC classification number: H03M13/39

Abstract: Provided is a method for searching for an optimal coder suitable to a dual stream transmission method of a DTV transceiving apparatus, and an encoder and a decoder employing the optimal coder searching method. The optimal coder searching method includes the steps of: a) determining a mixed pattern of normal stream and robust stream; b) determining a trellis structure of the robust stream which is applied to the mixed pattern based on how coders are connected; c) forming a dual stream trellis by mixing a trellis of the normal stream, which is a normal stream trellis, and a trellis of the robust stream, which is a robust stream trellis; d) computing a free distance at departing points of the dual stream trellis structure based on a dual stream free distance computation termination condition; and e) determining the optimal coder based on the free distance.

Abstract translation: 提供了一种用于搜索适合DTV收发装置的双流传输方法的最佳编码器的方法，以及采用最佳编码器搜索方法的编码器和解码器。 最优编码器搜索方法包括以下步骤：a）确定正常流和鲁棒流的混合模式; b）基于编码器如何连接来确定施加到混合模式的鲁棒流的网格结构; c）通过混合作为正常流网格的正常流的网格和作为鲁棒流网格的鲁棒流的网格来形成双流网格; d）基于双流自由距离计算终止条件在双流网格结构的离开点处计算自由距离; 以及e）基于所述自由距离来确定所述最佳编码器。

公开(公告)号：WO2007008029A1

公开(公告)日：2007-01-18

申请号：PCT/KR2006/002723

申请日：2006-07-11

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  BAE, Byung-Jun ,  KIM, Woo-Suk ,  AHN, Chung-Hyun ,  LEE, Soo-In

Inventor： BAE, Byung-Jun ,  KIM, Woo-Suk ,  AHN, Chung-Hyun ,  LEE, Soo-In

IPC: H04N7/00

CPC classification number: H04H20/103 ,  H04N21/23608 ,  H04N21/2362 ,  H04N21/2365 ,  H04N21/2383 ,  H04N21/4305 ,  H04N21/4341 ,  H04N21/4345 ,  H04N21/4347 ,  H04N21/6112

Abstract: The present invention provides an apparatus for transforming a terrestrial digital multimedia broadcasting (DMB) stream. The transformation apparatus includes a program specific information (PSI) extracting unit extracting PSI of a first stream and transmitting the first stream to a time code extracting unit a PSI analyzing unit analyzing the PSI of the first stream and acquiring construction information thereof; a PSI modifying unit for modifying the PSI information based on PSI modification information; the time code extracting unit for extracting time code information from the first stream based on stream information; a time code modifying unit for modifying a time code of a second stream based on the time code information; a stream erasing unit for erasing a stream piece of the first stream based on stream erasing information from the user; and a multiplexing unit for multiplexing the modified PSI, the modified first stream and the modified second stream.

Abstract translation: 本发明提供了一种用于变换地面数字多媒体广播（DMB）流的装置。 变换装置包括提取第一流的PSI的节目专用信息（PSI）提取单元，将第一流发送到时间码提取单元，分析第一流的PSI并获取其构造信息的PSI分析单元; PSI修改单元，用于基于PSI修改信息修改PSI信息; 时间码提取单元，用于基于流信息从第一流提取时间码信息; 时间码修改单元，用于基于时间码信息修改第二流的时间码; 流擦除单元，用于基于来自用户的流擦除信息来擦除第一流的流片段; 以及复用单元，用于复用修改的PSI，修改的第一流和修改的第二流。