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：WO2010074399A2

公开(公告)日：2010-07-01

申请号：PCT/KR2009/006287

申请日：2009-10-29

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  YUN, Kugjin ,  LEE, Gwangsoon ,  HUR, Namho ,  LEE, Hyun ,  LEE, Bongho ,  KIM, Kwang-Yong ,  YANG, Kyutae ,  LIM, Jong-Soo ,  KIM, Jinwoong ,  LEE, Soo-In

Inventor： YUN, Kugjin ,  LEE, Gwangsoon ,  HUR, Namho ,  LEE, Hyun ,  LEE, Bongho ,  KIM, Kwang-Yong ,  YANG, Kyutae ,  LIM, Jong-Soo ,  KIM, Jinwoong ,  LEE, Soo-In

IPC: H04N7/015

CPC classification number: H04N21/4341 ,  H04H20/72 ,  H04H2201/11 ,  H04N21/234327 ,  H04N21/2362 ,  H04N21/2368 ,  H04N21/2662

Abstract: Provided are an apparatus and method for multiplexing and demultiplexing based on DMB. The multiplexing apparatus includes a packetizer, a section generator, and a multiplexer. The packetizer packetizes element streams and object information of a base layer and an enhancement layer. The section generator generates 14496 sections including the object information of the base layer and the enhancement layer, a SCST section having element stream information of the enhancement layer, an IOD having descriptors for the object information of the base layer and the enhancement layer, and a PSI section having a descriptor connecting the SCST. The multiplexer generates base layer and enhancement layer TSs by multiplexing the packetized element streams and the packetized object information of the base layer and the enhancement layer, the 14496 sections including the object information of the base layer and the enhancement layer, the PSI section, and the SCST section.

Abstract translation: 提供了一种基于DMB的复用和解复用的装置和方法。 多路复用装置包括打包器，区段生成器和复用器。 分组器打包基本层和增强层的元素流和对象信息。 片段生成器生成包括基本层和增强层的对象信息的14496个部分，具有增强层的元素流信息的SCST部分，具有用于基本层和增强层的对象信息的描述符的IOD，以及 具有连接SCST的描述符的PSI部分。 多路复用器通过复用分组化元素流和基本层和增强层的分组化对象信息来生成基本层和增强层TS，14496个部分包括基本层和增强层的对象信息，PSI部分和 SCST部分。

公开(公告)号：WO2010050655A2

公开(公告)日：2010-05-06

申请号：PCT/KR2009/001884

申请日：2009-04-13

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

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

IPC: H04B1/707

CPC classification number: H04B7/2606

Abstract: Provided is an apparatus and method for measuring an individual receiving power using an identification signal of a repeater or a transmitter. The apparatus and method includes a total receiving power measuring unit for measuring a total receiving power from transmitters; an identification signal analyzing unit for extracting a channel profile signal from the signal transmitted from the predetermined transmitter through a multi-path, wherein the predetermined transmitter transmits a signal having the identification signal; and an individual receiving power calculating unit for calculating an individual receiving power from the transmitter based on the measured total receiving power and the extracted channel profile signal.

Abstract translation: 提供了一种使用中继器或发射机的识别信号来测量各个接收功率的装置和方法。 该装置和方法包括用于测量来自发射机的总接收功率的总接收功率测量单元; 识别信号分析单元，用于从通过多路径从所述预定发射机发送的信号中提取信道分布信号，其中，所述预定发射机发送具有所述识别信号的信号; 以及个体接收功率计算单元，用于基于所测量的总接收功率和所提取的信道分布信号来计算来自发射机的各个接收功率。

公开(公告)号：WO2010024501A1

公开(公告)日：2010-03-04

申请号：PCT/KR2008/007066

申请日：2008-11-28

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  SEO, Jae-Hyun ,  KIM, Heung-Mook ,  LEE, Soo-In

Inventor： SEO, Jae-Hyun ,  KIM, Heung-Mook ,  LEE, Soo-In

IPC: H04B7/005

CPC classification number: H04L27/261 ,  H04L25/0204 ,  H04L25/0224 ,  H04L25/03159 ,  H04L27/2647 ,  H04L27/2657 ,  H04L27/2662 ,  H04L2025/03414

Abstract: Provided is a channel equalizing apparatus and method for improving channel equalization performance in an Orthogonal Frequency Division Multiplexing (OFDM) reception system applied to digital broadcasting or a communication system. The apparatus, includes: a channel estimating unit for performing channel estimation by using a pilot signal of a frequency domain; a digital filtering unit for changing a characteristic of a channel in a time domain based on an estimated channel estimation result; and a channel equalizing unit for performing channel equalization of a frequency domain on the signal after changing the channel characteristic.

Abstract translation: 提供了一种用于改善应用于数字广播或通信系统的正交频分复用（OFDM）接收系统中的信道均衡性能的信道均衡装置和方法。 该装置包括：信道估计单元，用于通过使用频域的导频信号进行信道估计; 数字滤波单元，用于基于估计的信道估计结果来改变时域中的信道的特性; 以及信道均衡单元，用于在改变信道特性之后对信号进行频域的信道均衡。

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：WO2008002000A1

公开(公告)日：2008-01-03

申请号：PCT/KR2007/000494

申请日：2007-01-29

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

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

IPC: H04N7/12

CPC classification number: H04H60/82 ,  H04H20/24 ,  H04H60/07 ,  H04L65/103 ,  H04L65/605 ,  H04L65/608 ,  H04N21/23608 ,  H04N21/2381 ,  H04N21/2389 ,  H04N21/6131 ,  H04N21/64322 ,  H04N21/6437 ,  H04N21/64707

Abstract: The present invention provides a gateway for transforming a terrestrial digital multimedia broadcasting (DMB) contents. A gateway for transforming a terrestrial DMB contents includes an ensemble transport interface (ETI) demultiplexing unit for dividing the terrestrial DMB contents having ETI frame format into a fast information channel (FIC) and a main service channel (MSC); a session description protocol (SDP) packet processing unit for converting the FIC into a SDP packet; a transmission control protocol/Internet protocol (TCP/IP) packet generating unit for generating a TCP/IP packet based on the SDP packet; a real-time transport protocol (RTP) packet processing unit for converting the MSC into a first RTP packet; a user datagram protocol/Internet protocol (UDP/IP) packet generating unit for generating a UDP/IP packet based on the RTP packet; and an IP output unit for transmitting the TCP/IP packet and the UDP/IP packet through an IP network.

Abstract translation: 本发明提供了一种用于变换地面数字多媒体广播（DMB）内容的网关。 用于变换地面DMB内容的网关包括用于将具有ETI帧格式的地面DMB内容划分为快速信息信道（FIC）和主服务信道（MSC）的综合传输接口（ETI）解复用单元; 会话描述协议（SDP）分组处理单元，用于将FIC转换成SDP分组; 传输控制协议/因特网协议（TCP / IP）分组产生单元，用于基于SDP分组生成TCP / IP分组; 用于将MSC转换成第一RTP分组的实时传输协议（RTP）分组处理单元; 用于基于RTP分组生成UDP / IP分组的用户数据报协议/因特网协议（UDP / IP）分组生成单元; 以及用于通过IP网络发送TCP / IP分组和UDP / IP分组的IP输出单元。

公开(公告)号：WO2007066904A1

公开(公告)日：2007-06-14

申请号：PCT/KR2006/004626

申请日：2006-11-07

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  KIM, Ju-Yeun ,  KIM, Young-Su ,  BAE, Jae-Hwui ,  LEE, Hyun ,  LIM, Jong-Soo ,  LEE, Soo-In

Inventor： KIM, Ju-Yeun ,  KIM, Young-Su ,  BAE, Jae-Hwui ,  LEE, Hyun ,  LIM, Jong-Soo ,  LEE, Soo-In

IPC: H04B7/08

CPC classification number: H04B7/082

Abstract: Provided are an apparatus and method for selecting an optimal signal using auxiliary equalization in a diversity receiver. The optimal signal selecting apparatus includes: a plurality of sync recovery units for extracting sync information from baseband signals, which are candidate signals, except a baseband signal selected as a current optimal signal a plurality of auxiliary equalizers for channel-equalizing the candidate signals based on the extracted sync information; a plurality of SNR measuring units for measuring signal-to-noise ratios (SNRs) of the candidate signals inputted to the auxiliary equalizers and the candidates signals equalized in the auxiliary equalizers; and an optimal signal selector for selecting an optimal candidate signal from the candidate signals by using the extracted sync information and the measured SNRs, and replacing the optimal signal with the optimal candidate signal when reception quality of the current optimal signal is poor.

Abstract translation: 提供了一种用于在分集接收机中使用辅助均衡来选择最佳信号的装置和方法。 最佳信号选择装置包括：多个同步恢复单元，用于从作为候选信号的基带信号中提取同步信息，除了选择为当前最优信号的基带信号，多个辅助均衡器，用于对候选信号进行信道均衡，基于 提取的同步信息; 多个SNR测量单元，用于测量输入到辅助均衡器的候选信号的信噪比（SNR）和在辅助均衡器中均衡的候选信号; 以及最优信号选择器，用于通过使用所提取的同步信息和测量的SNR从候选信号中选择最佳候选信号，并且当当前最佳信号的接收质量差时，用最佳候选信号替换最佳信号。

公开(公告)号：WO2006101294A1

公开(公告)日：2006-09-28

申请号：PCT/KR2005/003218

申请日：2005-09-28

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  KANG, Hoon-Jong ,  KIM, Dae-Hee ,  YUN, Kug-Jin ,  AHN, Chung-Hyun ,  LEE, Soo-In

Inventor： KANG, Hoon-Jong ,  KIM, Dae-Hee ,  YUN, Kug-Jin ,  AHN, Chung-Hyun ,  LEE, Soo-In

IPC: G03H1/04

CPC classification number: H04N19/176 ,  G03H1/08 ,  H04N19/597 ,  H04N19/61 ,  H04N19/63 ,  H04N19/90

Abstract: Provided is an apparatus for encoding and/or decoding a digital hologram. The apparatus for encoding a digital hologram includes: a segmentation unit for dividing a digital hologram inputted from an external device into a plurality of blocks; an orthogonal transforming unit for orthogonally transforming each of the divided blocks; a quantization unit for quantizing information of each of the transformed blocks; a scanning unit for scanning each of the quantized blocks to transform the plurality of the quantized blocks to single moving image sequence; and a moving image encoding unit for encoding the single moving image sequence configuring a digital hologram to compress the signal moving image sequence.

Abstract translation: 提供了一种用于对数字全息图进行编码和/或解码的装置。 用于编码数字全息图的装置包括：分割单元，用于将从外部设备输入的数字全息图分割成多个块; 正交变换单元，用于对每个分割块进行正交变换; 用于量化每个变换块的信息的量化单元; 扫描单元，用于扫描每个量化块以将多个量化块变换为单个运动图像序列; 以及运动图像编码单元，用于对构成数字全息图的单个运动图像序列进行编码，以压缩信号运动图像序列。

公开(公告)号：WO2006065011A1

公开(公告)日：2006-06-22

申请号：PCT/KR2005/002117

申请日：2005-07-04

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  KIM, Ju-Yeun ,  KIM, Young-Su ,  BAE, Jae-Hwui ,  LEE, Hyun ,  LIM, Jong-Soo ,  LEE, Soo-In

Inventor： KIM, Ju-Yeun ,  KIM, Young-Su ,  BAE, Jae-Hwui ,  LEE, Hyun ,  LIM, Jong-Soo ,  LEE, Soo-In

IPC: H04N7/015

CPC classification number: H01Q25/00 ,  H04B7/088 ,  H04N5/211 ,  H04N5/4401 ,  H04N21/42638

Abstract: Provided are a beam combining and hybrid beam selection method that can improve digital broadcasting reception performance by combining more than two beam output signals (beam combination type) instead of simply selecting one of beam output signals (beam selection type), or even selecting an optimal method between the beam selection type and the beam combination type, and a digital broadcasting receiving apparatus using the same. The beam selecting method includes: a) calculating SMNRs (mainpath signal to multipath signal and noise ratios) with respect to a plurality of beam output signals, formed according to directions from a plurality of antenna output signals whose phases are shifted depending on arrangement positions of array antennas, by using corresponding channel impulse responses; b) selecting a first predetermined number of beam output signals according to magnitudes of the SMNRs by comparing the calculated SMNRs with respect to the respective beam output signals; c) calculating a delay time between mainpath signals of the selected beam output signals, and generating a combined beam output signal by combining the two beam output signals by adjusting the calculated delay time; d) when the SMNR of the combined beam output signal is less than the maximal SMNR of the selected beam output signals, calculating an SDMR (mainpath signal to dominant multipath signal ratio) with respect to the respective beam output signals, and selecting a beam output signal having the greatest SDMR; and e) calculating an SMNR of the combined beam output signal using channel impulse response of the combined beam output signal, and comparing the calculated SMNR with a maximal value among the SMNRs of the selected beam output signals; and f) when the SMNR of the combined beam output signal is greater than or equal to the maximal SMNR of the selected output signals, selecting the combined beam output signal generated in step c).

Abstract translation: 提供了一种通过组合两个以上的光束输出信号（光束组合型）而不是简单地选择光束输出信号（光束选择型）中的一种，或者甚至选择最优的光束组合和混合光束选择方法来提高数字广播接收性能 波束选择类型和波束组合类型之间的方法以及使用它们的数字广播接收装置。 波束选择方法包括：a）相对于多个波束输出信号计算SMNR（主路径信号与多径信号和噪声比），根据多个天线输出信号的方向形成，所述多个天线输出信号的相位根据 阵列天线，通过使用相应的信道脉冲响应; b）通过将所计算的SMNR相对于各个波束输出信号进行比较，根据SMNR的幅度来选择第一预定数量的波束输出信号; c）计算所选择的光束输出信号的主路径信号之间的延迟时间，并且通过通过调整所计算的延迟时间来组合两个光束输出信号来产生组合光束输出信号; d）当组合光束输出信号的SMNR小于所选光束输出信号的最大SMNR时，相对于各个光束输出信号计算SDMR（主路径信号与主要多径信号比），并且选择光束输出 SDMR信号最大; 以及e）使用所述组合光束输出信号的信道脉冲响应来计算组合光束输出信号的SMNR，并且将所计算的SMNR与所选光束输出信号的SMNR中的最大值进行比较; 以及f）当组合光束输出信号的SMNR大于或等于所选输出信号的最大SMNR时，选择在步骤c）中产生的组合光束输出信号。