公开(公告)号：WO2010058890A3

公开(公告)日：2010-05-27

申请号：PCT/KR2009/004042

申请日：2009-07-21

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  LIM, Hyoungsoo ,  LEE, Jae-Young ,  KIM, Heung-Mook ,  LEE, Soo-In

Inventor： LIM, Hyoungsoo ,  LEE, Jae-Young ,  KIM, Heung-Mook ,  LEE, Soo-In

IPC: H04N7/173

Abstract: Disclosed is an apparatus and method for providing a broadcasting service in a single frequency broadcasting network, and a system thereof. The apparatus for receiving broadcasting signals includes an RF receiver configured to receive an RF broadcasting signal having identification information to identify a broadcasting signal transmitter and down-convert the received RF broadcasting signal; a reception characteristic measurer configured to measure reception characteristics of the RF broadcasting signal based on the identification information and generate reception characteristic information; and a reception characteristic transmitter configured to transmit the reception characteristic information to a broadcasting system.

公开(公告)号：WO2008140163A1

公开(公告)日：2008-11-20

申请号：PCT/KR2007/005647

申请日：2007-11-09

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

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

IPC: H04B7/14

CPC classification number: H04B7/15585

Abstract: Provided is an on-channel repeater, which removes feedback signals caused due to low isolation of transmission/reception antennas and a method thereof. The on-channel repeater includes : a receiver for receiving radio frequency (RF) signals and converting them into baseband signals; a subtractor for subtracting replicas of feedback signals from the baseband signals to thereby produce signals whose feedback signals are primarily removed; a demodulator for demodulating the signals which include the remaining feedback signals; an equalizer for equalizing the demodulated signals to thereby produce equalized signals; a transmitter for modulating the equalized signals to thereby produce modulated signals, converting the modulated signals into RF signals, and transmitting the RF signals in the air; a down-converter for down-converting the RF signals into baseband signals; and a replica generator for calculating the replicas based on the baseband signals of the down- converter and the signals without feedback signals of the subtractor, and feeding back them to the subtractor.

Abstract translation: 提供一种同信道中继器，其消除由于发送/接收天线的低隔离引起的反馈信号及其方法。 同频中继器包括：用于接收射频（RF）信号并将其转换成基带信号的接收机; 减法器，用于从基带信号减去反馈信号的副本，从而产生其反馈信号被主要去除的信号; 解调器，用于解调包括剩余反馈信号的信号; 均衡器，用于均衡解调的信号，从而产生均衡的信号; 用于调制均衡信号从而产生调制信号的发射机，将调制信号转换为RF信号，并在空中传送RF信号; 用于将RF信号下变频为基带信号的下变频器; 以及用于基于下变频器的基带信号和没有减法器的反馈信号的信号来计算副本的副本生成器，并将其反馈到减法器。

公开(公告)号：WO2006004302A1

公开(公告)日：2006-01-12

申请号：PCT/KR2005/000965

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: H04N7/12

CPC classification number: H04N5/4401 ,  H04L1/0045 ,  H04L1/0065 ,  H04L1/0071 ,  H04L2025/03382 ,  H04N21/2383 ,  H04N21/4382

Abstract: Provided are a Vestigial Side Band (VSB) digital television (DTV) receiver based on is A/53 of the Advanced Television System Committee (ATSC) that can secure backward compatibility of a low-ranked DTV receiver by using parity bytes added to robust data for error correction and obtain RS coding gain from the robust data, and a method thereof. The DTV receiver includes: a receiving unit for receiving a transmission signal including general data and robust data and converting the transmission signal into a base-band signal; an equalizer for determining a symbol level of the transmission signal; a trellis decoder for performing trellis decoding on a symbol of the determined level; a nonsystematic Reed Solomon (NRS) decoder for performing NRS decoding on the trellis-decoded robust data and correcting an error; and a restoring unit for restoring a digital video data stream with respect to the trellis-decoded general data and the NRS-decoded robust data.

Abstract translation: 提供了一种基于高级电视系统委员会（ATSC）的A / 53的残留边带（VSB）数字电视（DTV）接收机，其可以通过使用添加到鲁棒数据的奇偶校验字节来确保低等级DTV接收机的向后兼容性 用于纠错并从鲁棒数据获得RS编码增益及其方法。 DTV接收机包括：接收单元，用于接收包括通用数据和鲁棒数据的发送信号，并将发送信号转换成基带信号; 均衡器，用于确定发送信号的符号电平; 网格解码器，用于对所确定的级别的符号执行网格解码; 用于对网格解码的鲁棒数据执行NRS解码并校正错误的非系统的Reed Solomon（NRS）解码器; 以及恢复单元，用于相对于网格解码的一般数据和NRS解码的鲁棒数据恢复数字视频数据流。

公开(公告)号：WO2009031748A1

公开(公告)日：2009-03-12

申请号：PCT/KR2008/002707

申请日：2008-05-15

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

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

IPC: H04B7/14

CPC classification number: H04H20/12 ,  H04H20/06

Abstract: Provided is an identification signal analyzing apparatus and method for compensating power of a channel profile occurring at a conventional identification signal analyzing apparatus by using a power compensation. The identification signal analyzing apparatus includes: an identification signal generator for generating an identification signal identical to a known identification signal inserted by a transmission device; a partial correlator for calculating a correlation value between a received signal including the known identification signal inserted by the transmission device and the identification signal generated by the identification signal generator through a partial correlation; a power compensator for compensating power of the correlation value calculated by the partial correlator; and a channel profile extractor for extracting a channel profile from the correlation value compensated by the power compensator.

Abstract translation: 提供一种识别信号分析装置和方法，用于通过使用功率补偿来补偿在常规识别信号分析装置发生的信道分布的功率。 识别信号分析装置包括：识别信号发生器，用于产生与由传输装置插入的已知识别信号相同的识别信号; 一个部分相关器，用于计算包括由发送装置插入的已知识别信号的接收信号与由识别信号发生器通过部分相关产生的识别信号之间的相关值; 功率补偿器，用于补偿由所述部分相关器计算出的相关值的功率; 以及用于从由功率补偿器补偿的相关值中提取信道分布的信道分布提取器。

公开(公告)号：WO2007067020A1

公开(公告)日：2007-06-14

申请号：PCT/KR2006/005379

申请日：2006-12-11

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  KIM, Sung-Hoon ,  BAE, Byung-Jun ,  YUN, Kug-Jin ,  LEE, Jae-Young ,  KIM, Seung-Won ,  AHN, Chung-Hyun ,  HUR, Nam-Ho ,  LEE, Soo-In ,  AHN, Chieteuk

Inventor： KIM, Sung-Hoon ,  BAE, Byung-Jun ,  YUN, Kug-Jin ,  LEE, Jae-Young ,  KIM, Seung-Won ,  AHN, Chung-Hyun ,  HUR, Nam-Ho ,  LEE, Soo-In ,  AHN, Chieteuk

IPC: H04N13/00

CPC classification number: H04N19/597 ,  H04N13/194

Abstract: Provided is a system and method for transmitting and receiving 3D video based on digital broadcasting. The system includes: an encoder for generating 2D ES and 3D supplementary ES by encoding 2D video and 3D supplementary data; a packetizer for generating 2D video PES and 3D supplementary PES by packetizing the 2D video ES and the 3D supplementary ES; a PSI generator for generating a PSI; a TS generator for generating 2D video TS and 3D supplementary TS for the 2D video PES and the 3D supplementary PES; a multiplexer for multiplexing the transport streams to transmit the 2D video TS as a normal stream and transmit the 3D supplementary TS, the PSI TS and 3D video synch data TS as robust stream; and a modulator for modulating the multiplexed TS according to a DTV specification and transmitting the modulated TS.

Abstract translation: 提供了一种用于基于数字广播发送和接收3D视频的系统和方法。 该系统包括：通过编码2D视频和3D补充数据生成2D ES和3D补充ES的编码器; 用于通过打包2D视频ES和3D补充ES来生成2D视频PES和3D补充PES的打包器; 用于产生PSI的PSI发生器; 用于生成用于2D视频PES和3D补充PES的2D视频TS和3D补充TS的TS生成器; 多路复用器，用于复用传输流以将2D视频TS作为普通流传输，并将3D补充TS，PSI TS和3D视频同步数据TS作为鲁棒流传输; 以及调制器，用于根据DTV规范调制多路复用的TS，并发送调制的TS。

公开(公告)号：WO2006004304A1

公开(公告)日：2006-01-12

申请号：PCT/KR2005/000967

申请日：2005-04-01

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

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

IPC: H04N7/015

CPC classification number: H03M13/256 ,  H03M13/253 ,  H03M13/2732 ,  H03M13/2936 ,  H03M13/356 ,  H04L1/0057 ,  H04L1/006 ,  H04L1/0065 ,  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 receiving robust data mixed with P-2VSB, E-4 VSB, and/or E-8 VSB. The DTV transmitter includes an input means for receiving a digital video data stream including normal data and robust data; an encoding means for coding the digital video data stream into data symbols; and a transmitting means for modulating and transmitting an output signal of the encoding means, wherein the encoding means performs trellis coding on the robust data by mixing and using a plurality of methods.

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。 本发明提供了通过发送和接收与P-2VSB，E-4 VSB和/或E-8 VSB混合的鲁棒数据来提高接收机的接收性能的8-VSB DTV发射机和接收机。 DTV发射机包括用于接收包括正常数据和鲁棒数据的数字视频数据流的输入装置; 用于将数字视频数据流编码成数据符号的编码装置; 以及发送装置，用于调制和发送编码装置的输出信号，其中编码装置通过混合和使用多种方法对鲁棒数据进行格状编码。

公开(公告)号：WO2009014281A1

公开(公告)日：2009-01-29

申请号：PCT/KR2007/005650

申请日：2007-11-09

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

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

IPC: H04B7/14

CPC classification number: H04B7/15585 ,  H04B1/525

Abstract: Provided are an on-channel repeater and method for increasing output of the on-channel repeater by removing feedback signals caused by low isolation of transmission/reception antennas. The on-channel repeater includes: a receiver for receiving RF signals and converting the RF signals into baseband signals; a subtractor for subtracting replicas of feedback signals from the received signal; an inverse channel estimator for estimating inverse of a reception channel and generating a filter tab coefficients; a first adaptive filter for compensating for channel distortion of the subtracted signal; a transmitter for converting the signals whose channel distortion is compensated into an RF signal and performing radio transmission; a down- converter for down- convert ing the RF signal converted by the transmitter into the baseband signal; and a replica generator for calculating replicas and feeding back the replicas to the subtractor. The present invention is applied to the on-channel repeater.

Abstract translation: 提供一种用于通过去除由发送/接收天线的低隔离引起的反馈信号来增加在线中继器的输出的同频中继器和方法。 同频中继器包括：用于接收RF信号并将RF信号转换成基带信号的接收机; 减法器，用于从接收信号中减去反馈信号的副本; 反向信道估计器，用于估计接收信道的反向并产生滤波器选项卡系数; 用于补偿所述减去的信号的信道失真的第一自适应滤波器; 用于将其信道失真补偿的信号转换成RF信号并执行无线电传输的发射机; 用于将由发射机转换的RF信号下变频为基带信号的下变频器; 以及用于计算副本并将副本反馈给减法器的副本生成器。 本发明应用于同频中继器。

公开(公告)号：WO2008054073A1

公开(公告)日：2008-05-08

申请号：PCT/KR2007/005015

申请日：2007-10-12

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

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

IPC: H04B7/14

CPC classification number: H04H20/06 ,  H04B1/707 ,  H04B7/15528 ,  H04H20/12 ,  H04H60/41

Abstract: Provided is an apparatus and method for analyzing identification (ID) signals by converting radio frequency (RF) signals which are transmitted with an ID signal added thereto by a transmitting part, e.g., a plurality of transmitters or repeaters, into signals of a desired band; creating ID signals that are identical to the ID signals added to the RF signals; calculating correlation values between the converted signals and the created ID signals based on partial correlation; and extracting channel profile of multi-path signals caused by a channel between the transmitting part and the ID signal analyzing apparatus from the correlation value. The technology of the present research is applied to broadcasting and communication.

Abstract translation: 提供了一种用于通过将由发射部分（例如多个发射机或中继器）附加的ID信号发射的射频（RF）信号转换成期望频带的信号来分析识别（ID）信号的装置和方法 ; 创建与添加到RF信号的ID信号相同的ID信号; 基于部分相关来计算转换后的信号与所创建的ID信号之间的相关值; 以及从所述相关值提取由所述发送部分和所述ID信号分析装置之间的信道引起的多径信号的信道简档。 本研究的技术应用于广播和通信。

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：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。