公开(公告)号：WO2010068019A2

公开(公告)日：2010-06-17

申请号：PCT/KR2009/007322

申请日：2009-12-08

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  EUM, Ho-Min ,  KIM, Heung-Mook ,  LEE, Soo-In

Inventor： EUM, Ho-Min ,  KIM, Heung-Mook ,  LEE, Soo-In

IPC: H04L7/00 ,  H04B7/15

CPC classification number: H04L27/02 ,  H04L7/0029

Abstract: Provided are an apparatus and method for synchronizing a timing clock between a transmission signal and a reception signal. The apparatus for synchronizing a timing clock includes a timing restorer configured to restore a timing clock based on a digital input data; and a timing clock synchronizer configured to synchronize the timing clock based on timing information and a timing restoration signal restored in the timing restorer.

Abstract translation: 提供了一种用于同步发送信号和接收信号之间的定时时钟的装置和方法。 用于同步定时时钟的装置包括：定时恢复器，被配置为基于数字输入数据恢复定时时钟; 以及定时时钟同步器，被配置为基于定时信息和定时恢复器中恢复的定时恢复信号来同步定时时钟。

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：WO2006115320A1

公开(公告)日：2006-11-02

申请号：PCT/KR2005/004645

申请日：2005-12-29

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: H04B7/14

CPC classification number: H04B7/155 ,  H04B7/15564

Abstract: Provided are an on-channel repeater and a method thereof. The on-channel repeater can extract reception channel information from signals transmitted from a main transmitter or another repeater, compensate for channel distortion caused on a transmission channel by inversely reflecting the extracted reception channel information to the received signals, and transmit the channel-distortion compensated signals through the same channel as a reception channel, and a method thereof. The on-channel repeater includes: a receiver for receiving RF signals transmitted from outside; a down-converter for down- converting the received RF signals into signals of a desired band; a channel-estimator for estimating an inverse value of a reception channel based on the down- converted signals; an adaptation filter for compensating for channel distortion by using a filter having the inverse value of the estimated reception channel; an up- converter for up-converting the channel distortion- compensated signals into RF signals; and a transmitter for transmitting the up-converted RF signals.

Abstract translation: 提供一种同频中继器及其方法。 同频中继器可以从主发射机或另一中继器发送的信号中提取接收信道信息，通过将所提取的接收信道信息反向反映给接收信号来补偿在传输信道上引起的信道失真，并发送信道失真补偿 通过与接收信道相同的信道发送信号，及其方法。 同频中继器包括：用于接收从外部发送的RF信号的接收机; 用于将所接收的RF信号下变频成期望频带的信号的下变频器; 用于基于下变频信号估计接收信道的反值的信道估计器; 适应滤波器，用于通过使用具有估计的接收信道的逆值的滤波器来补偿信道失真; 用于将信道失真补偿信号上变频成RF信号的上变频器; 以及用于发送上变频的RF信号的发射机。

公开(公告)号：EP1875633A1

公开(公告)日：2008-01-09

申请号：EP05822465.0

申请日：2005-12-29

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： PARK, Sung-Ik ,  LEE, Yong-Tae ,  EUM, Ho-Min ,  KIM, Heung-Mook ,  SEO, Jae-Hyun ,  KIM, Seung-Won, 105-202 Kukhwa Dongseong Apt. ,  LEE, Soo-In, 106-606 Clover Apt.

IPC: H04B7/14

CPC classification number: H04B7/155 ,  H04B7/15564

Abstract: Provided are an on-channel repeater and a method thereof. The on-channel repeater can extract reception channel information from signals transmitted from a main transmitter or another repeater, compensate for channel distortion caused on a transmission channel by inversely reflecting the extracted reception channel information to the received signals, and transmit the channel-distortion compensated signals through the same channel as a reception channel, and a method thereof. The on-channel repeater includes: a receiver for receiving RF signals transmitted from outside; a down-converter for down- converting the received RF signals into signals of a desired band; a channel-estimator for estimating an inverse value of a reception channel based on the down- converted signals; an adaptation filter for compensating for channel distortion by using a filter having the inverse value of the estimated reception channel; an up- converter for up-converting the channel distortion- compensated signals into RF signals; and a transmitter for transmitting the up-converted RF signals.

Abstract translation: 提供了一种同频转发器及其方法。 同频转发器可以从主发射机或另一个中继器发送的信号中提取接收信道信息，通过将提取的接收信道信息反向反射到接收信号来补偿在传输信道上引起的信道失真，并且发送经补偿的信道失真 通过与接收信道相同的信道信号，以及其方法。 同频转发器包括：用于接收从外部发射的RF信号的接收器; 下变频器，用于将接收到的RF信号下变频为期望频带的信号; 信道估计器，用于基于下变频信号来估计接收信道的倒数值; 自适应滤波器，用于通过使用具有估计接收信道的倒数值的滤波器来补偿信道失真; 上变频器，用于将信道失真补偿信号上变频为RF信号; 以及发射器，用于发射上变频的RF信号。

公开(公告)号：EP2174430A1

公开(公告)日：2010-04-14

申请号：EP07833957.9

申请日：2007-11-09

Applicant: Electronics and Telecommunications Research Institute

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.

公开(公告)号：EP2080289A1

公开(公告)日：2009-07-22

申请号：EP07833325.9

申请日：2007-10-12

Applicant: Electronics and Telecommunications Research Institute

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.

公开(公告)号：EP2174430B1

公开(公告)日：2014-07-02

申请号：EP07833957.9

申请日：2007-11-09

Applicant: Electronics and Telecommunications Research Institute

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 ,  H04B7/155

CPC classification number: H04B7/15585 ,  H04B1/525

公开(公告)号：EP2156572A1

公开(公告)日：2010-02-24

申请号：EP07833951.2

申请日：2007-11-09

Applicant: Electronics and Telecommunications Research Institute

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: 提供了同频转发器和同频重复方法。 同频转发器包括：接收装置，用于接收射频（RF）信号; 减法装置，用于从由接收装置接收的信号中减去反馈信号的复制品; 复制品生成装置，用于基于在减法装置中从减法获得的信号计算复制品，并将复制品反馈给减法装置; 逆信道估计装置，用于根据减法装置中的减法获得的信号估计接收信道的倒数，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标签系数来补偿由减法装置减去的信号的信道失真; 以及发射装置，用于将其信道失真由第一自适应滤波装置补偿的信号转换为RF信号并执行无线电发射。