公开(公告)号：WO2009005216A1

公开(公告)日：2009-01-08

申请号：PCT/KR2008/002407

申请日：2008-04-28

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

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

IPC: H04L27/34

CPC classification number: H04L27/183 ,  H04L5/005 ,  H04L27/2601 ,  H04L27/3483 ,  H04L27/3488

Abstract: An apparatus for hierarchical modulation generates a first hierarchical symbol sequence by mapping a first hierarchical bit sequence corresponding to an information bit sequence into a bit position in a first signal constellation according to a first modulation method. Further, the apparatus for hierarchical modulation generates a second hierarchical symbol sequence by mapping a second hierarchical bit sequence corresponding to an additional information bit sequence into a bit position in a second signal constellation according to a second modulation method and then phase-rotating the second hierarchical bit sequence as much as the phase of each first hierarchical symbol. The apparatus for hierarchical modulation generates a hierarchical modulating symbol sequence by adding up symbols in the generated second hierarchical symbol sequence and symbols in the first hierarchical symbol sequence.

Abstract translation: 分层调制装置通过根据第一调制方法将与信息比特序列相对应的第一分层比特序列映射到第一信号星座中的比特位置来生成第一分层符号序列。 此外，分层调制装置通过根据第二调制方法将与附加信息比特序列相对应的第二分层比特序列映射到第二信号星座中的比特位置，然后相位旋转第二等级 比特序列与每个第一分层符号的相位一样多。 用于分级调制的装置通过将生成的第二分层符号序列中的符号和第一分层符号序列中的符号相加来生成分层调制符号序列。

公开(公告)号：WO2008147152A2

公开(公告)日：2008-12-04

申请号：PCT/KR2008/003073

申请日：2008-05-30

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  LIM, Hyoung Soo ,  SHIN, Hyun-Chool ,  SEO, Jae Hyun ,  KIM, Heung Mook ,  LEE, Yong Tae ,  PARK, Sung Ik ,  LIM, Jong Soo ,  LEE, Soo In

Inventor： LIM, Hyoung Soo ,  SHIN, Hyun-Chool ,  SEO, Jae Hyun ,  KIM, Heung Mook ,  LEE, Yong Tae ,  PARK, Sung Ik ,  LIM, Jong Soo ,  LEE, Soo In

IPC: H04N7/12

CPC classification number: H04H20/42 ,  H04H20/72 ,  H04H40/18 ,  H04H60/07 ,  H04L1/0003 ,  H04L1/0017 ,  H04L1/0041 ,  H04L1/0065 ,  H04L1/0071 ,  H04L1/04 ,  H04L2001/0093 ,  H04L2001/0098 ,  H04N21/2343 ,  H04N21/234327

Abstract: The present invention relates to a method and apparatus for transmitting digital broadcasting signals and a method and apparatus for receiving digital broadcasting signals that divide a stream into a plurality of layers according to characteristics of the stream, that independently process the layers, and that dynamically allocate frequencies on the basis of the processed signals. A method of transmitting digital broadcasting signals includes dividing a single stream into a plurality of layers according to characteristics of the stream; performing encoding and mapping on each of the layers; and dynamically allocating a frequency to each of the layers on the basis of the number of symbols for each layer.

Abstract translation: 本发明涉及一种用于发送数字广播信号的方法和装置，以及用于接收数字广播信号的方法和装置，所述数字广播信号根据流的特性将流划分成多个层，其独立地处理这些层，并且动态分配 基于处理的信号的频率。 一种发送数字广播信号的方法包括根据流的特征将单个流划分成多个层; 在每个层上执行编码和映射; 并且基于每个层的符号数量动态地将频率分配给每个层。

公开(公告)号：WO2008136618A1

公开(公告)日：2008-11-13

申请号：PCT/KR2008/002509

申请日：2008-05-02

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  LEE, Gwang Soon ,  KIM, Young Su ,  BAE, Jae-Hwui ,  YANG, Kyu Tae ,  YUN, Joung il ,  KIM, Kwang-Yong ,  SEO, Jae Hyun ,  KIM, Heung Mook ,  KIM, Ju Yeun ,  CHOI, Seomee ,  KIM, Hyuk ,  LIM, Jong Soo ,  LEE, Soo In ,  AHN, Chie teuk

Inventor： LEE, Gwang Soon ,  KIM, Young Su ,  BAE, Jae-Hwui ,  YANG, Kyu Tae ,  YUN, Joung il ,  KIM, Kwang-Yong ,  SEO, Jae Hyun ,  KIM, Heung Mook ,  KIM, Ju Yeun ,  CHOI, Seomee ,  KIM, Hyuk ,  LIM, Jong Soo ,  LEE, Soo In ,  AHN, Chie teuk

IPC: H04N7/24

CPC classification number: H03M13/296 ,  H03M13/23 ,  H03M13/2771 ,  H03M13/2957 ,  H03M13/2996 ,  H03M13/356 ,  H03M13/3988 ,  H03M13/6368 ,  H04H20/95 ,  H04N21/234327 ,  H04N21/2383 ,  H04N21/6112 ,  H04N21/64792

Abstract: The present invention relates to a channel encoder for an enhancement layer of a digital-multimedia-broadcasting transmitting device, a digital broadcasting transmitting device, a digital broadcasting receiving device, and an extension structure of sub-channel configuration field (FIG0/1 ) for designating a protection level of sub-channel at the enhancement layer. In a channel encoder for the enhancement layer according to the invention, the channel encoder is included in a hierarchical DMB transmitting unit that modulates a base layer transport stream and a enhancement layer transport stream for video and audio by a base layer modulation system and an enhancement layer modulation system, respectively, and performs symbol mapping of the enhancement layer according to the position of a constellation based on the base layer modulation system. Furthermore, the hierarchical DMB transmitting unit includes an energy dispersal scrambler that disperses energy of the enhancement layer transport stream, and a turbo encoder that receives a double-binary input vector corresponding to an output of the energy dispersal scrambler and encodes it by using a double-binary circular recursive systematic code.

Abstract translation: 本发明涉及用于数字多媒体广播发送装置的增强层的信道编码器，数字广播发送装置，数字广播接收装置和子信道配置字段的扩展结构（图0/1），用于 在增强层指定子信道的保护级别。 在根据本发明的用于增强层的信道编码器中，信道编码器被包括在分层DMB发送单元中，该单元通过基本层调制系统和增强来调制用于视频和音频的基本层传输流和增强层传输流 分层调制方式，根据基本层调制方式的星座位置进行增强层的符号映射。 此外，分级DMB发送单元包括分散增强层传输流的能量的能量分散扰频器，以及接收与能量分散扰频器的输出相对应的双二进制输入向量的turbo编码器，并且通过使用双 二进制循环递归系统代码。

公开(公告)号：WO2006080739A1

公开(公告)日：2006-08-03

申请号：PCT/KR2005/003361

申请日：2005-10-10

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  YOUNSEI UNIVERSITY ,  CHO, Suk Hee ,  YUN, Kug Jin ,  KIM, Dae Hee ,  AHN, Chung Hyun ,  LEE, Soo In ,  SOHN, Kwang Hoon ,  KIM, Yong Tae

Inventor： CHO, Suk Hee ,  YUN, Kug Jin ,  KIM, Dae Hee ,  AHN, Chung Hyun ,  LEE, Soo In ,  SOHN, Kwang Hoon ,  KIM, Yong Tae

IPC: H04N7/24

CPC classification number: H04N13/282 ,  H04N19/12 ,  H04N19/157 ,  H04N19/17 ,  H04N19/597 ,  H04N19/61 ,  H04N2013/0081 ,  H04N2013/0088

Abstract: Provided is a method and apparatus for encoding and decoding multi-view video data. The encoding method includes: decomposing each view image of the multi-view video into an overlapped region and a non-overlapped region, the overlapped region being overlapped with other view image and the non-overlapped region not being overlapped with other view image; generating a stitched image by combining the non-overlapped region of each view image and a middle view image; encoding the stitched image using a first encoding algorithm; and encoding the overlapped region of each view image, using a second encoding algorithm. Further, the decomposing step includes the steps of estimating disparity information for each view image, based on a predetermined view image; and decomposing each view image into said overlapped region and said non-overlapped region using the estimated disparity information.

Abstract translation: 提供了一种用于对多视点视频数据进行编码和解码的方法和装置。 编码方法包括：将多视点视频的每个视图图像分解为重叠区域和非重叠区域，重叠区域与其他视图图像重叠，并且非重叠区域不与其他视图图像重叠; 通过组合每个视图图像的非重叠区域和中间视图图像来生成拼接图像; 使用第一编码算法对拼接图像进行编码; 以及使用第二编码算法对每个视图图像的重叠区域进行编码。 此外，分解步骤包括以下步骤：基于预定视图图像估计每个视图图像的视差信息; 以及使用估计的视差信息将每个视图图像分解成所述重叠区域和所述非重叠区域。

公开(公告)号：WO2004059974A1

公开(公告)日：2004-07-15

申请号：PCT/KR2003/002215

申请日：2003-10-21

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  CHO, Sammo ,  LEE, Hyun ,  LEE, Soo In ,  Ahn, Chieteuk

Inventor： CHO, Sammo ,  LEE, Hyun ,  LEE, Soo In ,  Ahn, Chieteuk

IPC: H04N7/06

CPC classification number: H04N21/4383 ,  H04N21/2365 ,  H04N21/26216 ,  H04N21/4347 ,  H04N21/4622

Abstract: An apparatus for transmitting data in a digital broadcasting system is disclosed. The apparatus includes: a source encoding unit for encoding data to be transmitted and generating source-coded data; a capacity managing unit for dividing the source-coded data into divided data for a plurality of channels in case that an available data capacity for transmitting the source-coded data does not exist in one channel but sum of available data capacities of the multiple channels can accommodate the source-coded data, and adding header information to the divided data; a channel encoding unit for encoding the divided data according to channel environment and generating channel-coded data; and a transmitting unit for multiplexing, modulating and transmitting the channel-coded data through multiple frequency bands and multiple broadcasting sites.

Abstract translation: 公开了一种在数字广播系统中发送数据的装置。 该装置包括：源编码单元，用于对要发送的数据进行编码并产生源编码数据; 一个容量管理单元，用于在一个信道中不存在发送源编码数据的可用数据容量的情况下将源编码数据划分为多个信道的分割数据，但是可以将多个信道的可用数据容量的总和相加 容纳源编码数据，并将标题信息添加到分割数据; 信道编码单元，用于根据信道环境对划分的数据进行编码并生成信道编码数据; 以及发送单元，用于通过多个频带和多个广播站点复用，调制和发送频道编码数据。

公开(公告)号：WO2010053296A2

公开(公告)日：2010-05-14

申请号：PCT/KR2009/006466

申请日：2009-11-04

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  HAHM, Young Kwon ,  SONG, Yun Jeong ,  LEE, Soo In

Inventor： HAHM, Young Kwon ,  SONG, Yun Jeong ,  LEE, Soo In

IPC: H04N7/173

CPC classification number: H04N21/4333 ,  H04N7/17318 ,  H04N21/231 ,  H04N21/6408 ,  H04N21/658

Abstract: Provided is a broadcasting receiving method and device. The method detects the time of a televised broadcasting program, and provides the broadcasting program to the user from the start thereof. More specifically, the method requests transmission of the broadcasting program before a first time through the second network at the first time of the broadcasting program received through the first network, and stores the broadcasting program received through the first network at the first time. The broadcasting program, which was broadcasted before the first time, received through the second network from the first time to the second time is displayed and the stored broadcasting program after the second time is displayed.

Abstract translation: 提供了一种广播接收方法和装置。 该方法检测电视广播节目的时间，并从广播节目开始向用户提供广播节目。 更具体地，该方法在通过第一网络接收到的广播节目的第一时间通过第二网络首先请求广播节目的传输，并且在第一时间存储通过第一网络接收的广播节目。 显示在第一次之前通过第二网络从第一次接收到第二次广播的广播节目，并且显示第二次之后存储的广播节目。

公开(公告)号：WO2010019018A2

公开(公告)日：2010-02-18

申请号：PCT/KR2009/004567

申请日：2009-08-14

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  LIM, Jong Soo ,  LEE, Ji Bong ,  YUN, Joungil ,  BAE, Byungjun ,  KIM, Kwang-Yong ,  YANG, Kyu Tae ,  CHOI, Seomee ,  KIM, Young Su ,  BAE, Jae Hwui ,  LEE, Soo In ,  HWANG, Seungku ,  AHN, Chieteuk ,  KOO, Bon Tae ,  KIM, Jin Kyu ,  KIM, Hyuk ,  LEE, Gwang Soon

Inventor： LIM, Jong Soo ,  LEE, Ji Bong ,  YUN, Joungil ,  BAE, Byungjun ,  KIM, Kwang-Yong ,  YANG, Kyu Tae ,  CHOI, Seomee ,  KIM, Young Su ,  BAE, Jae Hwui ,  LEE, Soo In ,  HWANG, Seungku ,  AHN, Chieteuk ,  KOO, Bon Tae ,  KIM, Jin Kyu ,  KIM, Hyuk ,  LEE, Gwang Soon

IPC: H04N7/24

CPC classification number: H04N21/631 ,  H03M13/35 ,  H04N21/2383 ,  H04N21/4382 ,  H04N21/64792

Abstract: An apparatus for transmitting digital multimedia broadcasting includes: a base layer processor that outputs a base layer stream; an enhancement layer processor that outputs an enhancement layer stream; and a transmitter that modulates the enhancement layer stream based on one of a first and second hierarchical modulation modes using different modulation schemes and maps a symbol of the modulated enhancement layer stream based on a symbol position of the base layer stream to generate a transmission frame.

Abstract translation: 一种用于发送数字多媒体广播的装置包括：基本层处理器，其输出基本层流; 输出增强层流的增强层处理器; 以及发射机，其基于使用不同调制方案的第一和第二分层调制模式之一来调制增强层流，并且基于所述基本层流的符号位置映射所述经调制的增强层流的符号以生成传输帧。

公开(公告)号：WO2009069876A1

公开(公告)日：2009-06-04

申请号：PCT/KR2008/004402

申请日：2008-07-29

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  HAHM, Young Kwon ,  JIN, Eun Sook ,  SONG, Yun Jeong ,  LEE, Soo In

Inventor： HAHM, Young Kwon ,  JIN, Eun Sook ,  SONG, Yun Jeong ,  LEE, Soo In

IPC: H03D3/00

CPC classification number: H04L27/38 ,  H04L2027/003 ,  H04L2027/0046 ,  H04L2027/0067

Abstract: A recursive demodulation apparatus is provided. Therecursive demodulation apparatus, including: a segment generation unit dividing data symbols with a residual frequency or phase error into a predetermined number of data symbols, and generating a plurality of segments, each of the plurality of segments including the predetermined number of data symbols; and a phase error correction unit sequentially correcting a phase error of each of the data symbols, included in the each of the plurality of segments, for each segment.

Abstract translation: 提供递归解调装置。 一种解调装置，包括：段生成单元，将具有残差频率或相位误差的数据符号划分为预定数量的数据符号，并生成多个段，所述多个段中的每一个包括预定数目的数据符号; 以及相位误差校正单元，对于每个段，顺序地校正包括在所述多个段中的每一个中的每个数据符号的相位误差。

公开(公告)号：WO2009020275A1

公开(公告)日：2009-02-12

申请号：PCT/KR2008/002695

申请日：2008-05-14

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  SEO, Jae Hyun ,  KIM, Young Su ,  YANG, Kyu Tae ,  KIM, Ju Yeun ,  CHOI, Seomee ,  BAE, Jae-Hwui ,  LEE, Gwang Soon ,  YUN, Joung il ,  KIM, Kwang-Yong ,  KIM, Heung Mook ,  LIM, Jong Soo ,  LEE, Soo In

Inventor： SEO, Jae Hyun ,  KIM, Young Su ,  YANG, Kyu Tae ,  KIM, Ju Yeun ,  CHOI, Seomee ,  BAE, Jae-Hwui ,  LEE, Gwang Soon ,  YUN, Joung il ,  KIM, Kwang-Yong ,  KIM, Heung Mook ,  LIM, Jong Soo ,  LEE, Soo In

IPC: H04L27/26

CPC classification number: H04L27/2604 ,  H04L25/0224 ,  H04L27/2649

Abstract: A hierarchical demodulation device channel estimates a reference symbol based on a given symbol to generate a channel estimate of the reference symbol, channel estimates a plurality of information symbols based on the channel estimate of the reference symbol to generate channel estimates of a plurality of information symbols, channel estimates a plurality of service symbols based on the channel estimates of a plurality of information symbols to generate channel estimates of a plurality of service symbols, channel equalizes a signal based on the channel estimate of the reference symbol, the channel estimates of a plurality of information symbols, and the channel estimates of a plurality of service symbols, and hierarchically separates the channel equalized signal to generate a first hierarchical modulation signal and a second hier¬ archical modulation signal. Therefore, receiving performance of the low priority signals can be improved without influencing the high priority signals while maintaining compatibility with the existing system.

Abstract translation: 分层解调设备信道基于给定符号估计参考符号以生成参考符号的信道估计，信道基于参考符号的信道估计来估计多个信息符号，以生成多个信息符号的信道估计 信道基于多个信息符号的信道估计来估计多个服务符号以生成多个服务符号的信道估计，信道根据参考符号的信道估计来均衡信号，多个信道符号的信道估计 的信息符号和多个服务符号的信道估计，并且分级地分离信道均衡信号以生成第一分层调制信号和第二等级调制信号。 因此，可以提高低优先级信号的接收性能，而不影响高优先级信号，同时保持与现有系统的兼容性。

公开(公告)号：WO2009011487A1

公开(公告)日：2009-01-22

申请号：PCT/KR2008/002062

申请日：2008-04-11

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  SEO, Jae Hyun ,  KIM, Heung Mook ,  KIM, Ju Yeun ,  CHOI, Seomee ,  KIM, Kwang-Yong ,  YUN, Joung il ,  LEE, Gwang Soon ,  BAE, Jae-Hwui ,  YANG, Kyu Tae ,  KIM, Young Su ,  LIM, Jong Soo ,  LEE, Soo In ,  AHN, Chie teuk

Inventor： SEO, Jae Hyun ,  KIM, Heung Mook ,  KIM, Ju Yeun ,  CHOI, Seomee ,  KIM, Kwang-Yong ,  YUN, Joung il ,  LEE, Gwang Soon ,  BAE, Jae-Hwui ,  YANG, Kyu Tae ,  KIM, Young Su ,  LIM, Jong Soo ,  LEE, Soo In ,  AHN, Chie teuk

IPC: H04L27/26

CPC classification number: H04L27/2604 ,  H03M13/1102 ,  H03M13/23 ,  H03M13/2957 ,  H03M13/356 ,  H04L27/261

Abstract: A hierarchical modulation device modulates a plurality of first hierarchical symbols according to a first modulation method to generate a plurality of first hierarchical modulation symbols, inserts a plurality of pilot symbols into a plurality of second hierarchical symbols to generate a plurality of pilot insertion symbols, modulates a plurality of pilot insertion symbols according to a second modulation method to generate a plurality of second hierarchical modulation symbols, and maps a plurality of first hierarchical modulation symbols and the plurality of second hier archical modulation symbols in the signal space to generate a plurality of hierarchical modulation symbols. Therefore, the hierarchical modulation device can improve receiving performance of the enhancement layer without influencing the base layer.

Abstract translation: 分级调制装置根据第一调制方式对多个第一分层符号进行调制以生成多个第一分层调制符号，将多个导频符号插入到多个第二分层符号中以产生多个导频插入符号，调制 根据第二调制方法的多个导频插入符号，用于生成多个第二分层调制符号，并且在信号空间中映射多个第一分层调制符号和多个第二层次的归档调制符号以生成多个分层 调制符号。 因此，分级调制装置可以改善增强层的接收性能而不影响基本层。