公开(公告)号：US08094603B2

公开(公告)日：2012-01-10

申请号：US10586825

申请日：2004-12-31

申请人： Sung-Ik Park ,  Yong-Tae Lee ,  Ho-Min Eum ,  Heung-Mook Kim ,  Jae-Hyun Seo ,  Seung-Won Kim ,  Soo-In Lee

发明人： Sung-Ik Park ,  Yong-Tae Lee ,  Ho-Min Eum ,  Heung-Mook Kim ,  Jae-Hyun Seo ,  Seung-Won Kim ,  Soo-In Lee

IPC分类号： H04J1/10

CPC分类号： H04N21/6112 ,  H04N5/40

摘要： Provided is a modulating apparatus and method of an on-channel repeater. An object of the present invention is to provide a modulating apparatus of an on-channel repeater for reducing time delay by configuring and up-sampling a baseband signal, filtering the up-sampled baseband signal with an Equi-Ripple (ER) filter or in a window method, and converting the filtered baseband signal into an RF signal. The modulating apparatus includes: a baseband signal configuring unit for configuring a baseband. signal by combining an input field and a segment sync signal; a pilot adding unit for adding a pilot signal to the baseband signal; a filtering unit for filtering the baseband signal with the pilot signal; and an RF up-converting unit for up-converting the filtered signal into an RF signal. The present invention is used to form an on-channel repeating network in a transmitting system including a digital TV broadcasting system.

摘要翻译： 提供了一种频道内中继器的调制装置和方法。 本发明的目的是提供一种通道内中继器的调制装置，用于通过对基带信号进行配置和上采样来减少时间延迟，用等波纹（ER）滤波器对上采样基带信号进行滤波，或者 窗口方法，并将滤波后的基带信号转换为RF信号。 调制装置包括：用于配置基带的基带信号配置单元。 信号通过组合输入场和段同步信号; 导频添加单元，用于向所述基带信号添加导频信号; 滤波单元，用于利用导频信号对基带信号进行滤波; 以及用于将经滤波的信号上变频为RF信号的RF上变频单元。 本发明用于在包括数字电视广播系统的发射系统中形成一个信道上重复网络。

公开(公告)号：US20110234901A1

公开(公告)日：2011-09-29

申请号：US13132221

申请日：2009-12-02

申请人： Jae-Hyun Seo ,  Hyoungsoo Lim ,  Heung-Mook Kim ,  Soo-In Lee

发明人： Jae-Hyun Seo ,  Hyoungsoo Lim ,  Heung-Mook Kim ,  Soo-In Lee

IPC分类号： H04N7/00

CPC分类号： H04H60/13

摘要： An apparatus for transmitting broadcasting content including a control signal in a broadcasting network, the apparatus includes: a modulator configured to modulate broadcasting content by a predetermined modulation method; a control signal generator configured to generate a control signal for remote control of infrastructure; an adder configured to add the control signal to the modulated broadcasting content; and a DTV transmitter configured to convert the added signal to a DTV broadcasting signal and transmit the DTV broadcasting signal.

摘要翻译： 一种用于在广播网络中发送包括控制信号的广播内容的装置，所述装置包括：调制器，被配置为通过预定的调制方式调制广播内容; 配置为产生用于远程控制基础设施的控制信号的控制信号发生器; 加法器，被配置为将所述控制信号添加到所述经调制的广播内容; 以及DTV发送器，被配置为将所添加的信号转换为DTV广播信号并发送DTV广播信号。

公开(公告)号：US20090129450A1

公开(公告)日：2009-05-21

申请号：US11579657

申请日：2005-05-12

申请人： Ho-Min Eum ,  Yong-Tae Lee ,  Seung-Won Kim ,  Heung-Mook Kim ,  Jae-Hyun Seo ,  Sung-Ik Park ,  Soo-In Lee

发明人： Ho-Min Eum ,  Yong-Tae Lee ,  Seung-Won Kim ,  Heung-Mook Kim ,  Jae-Hyun Seo ,  Sung-Ik Park ,  Soo-In Lee

IPC分类号： H04L25/52

CPC分类号： H04H20/02 ,  H03J7/04 ,  H04B7/15528 ,  H04H20/67 ,  H04H20/72 ,  H04W56/00

摘要： Provided is a frequency synchronizing apparatus and method that can synchronize frequencies between receiving signals and transmitting signals by extracting a carrier error and sampling timing error information in a synchronization process of the receiving signal from a main transmitter or another repeater and reflecting them in the transmitting signal in an on-channel repeater. The apparatus includes a carrier recovery means for compensating a carrier frequency error of a receiving signal; a timing recovery means for compensating a sampling timing error of the receiving signal; a carrier error reflecting means for reflecting the carrier frequency error extracted from the carrier recovery means to a transmitting signal; and a timing error reflecting means for reflecting the sampling timing error extracted from the timing recovery means to the transmitting signal. The present invention is used to form an on-channel repeating network in any transmission system including a digital television broadcasting system.

摘要翻译： 提供一种频率同步装置和方法，其可以通过在来自主发射机或另一个中继器的接收信号的同步处理中提取载波误差和采样定时误差信息来同步接收信号和发射信号之间的频率并将其反射到发射信号中 在一个通道中继器。 该装置包括用于补偿接收信号的载波频率误差的载波恢复装置; 定时恢复装置，用于补偿接收信号的采样定时误差; 用于将从载波恢复装置提取的载波频率误差反映到发射信号的载波误差反射装置; 以及定时误差反映装置，用于将从定时恢复装置提取的采样定时误差反映到发射信号。 本发明用于在包括数字电视广播系统的任何传输系统中形成一个同信道重复网络。

公开(公告)号：US08934834B2

公开(公告)日：2015-01-13

申请号：US12599457

申请日：2007-11-09

申请人： Sung-Ik Park ,  Heung-Mook Kim ,  Jae-Hyun Seo ,  Ho-Min Eum ,  Jae-Young Lee ,  Yong-Tae Lee ,  Jong-Soo Lim ,  Soo-In Lee

发明人： Sung-Ik Park ,  Heung-Mook Kim ,  Jae-Hyun Seo ,  Ho-Min Eum ,  Jae-Young Lee ,  Yong-Tae Lee ,  Jong-Soo Lim ,  Soo-In Lee

IPC分类号： H04M1/00 ,  H04B7/155

CPC分类号： H04B7/15585

摘要： 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.

摘要翻译： 提供了一个通道内中继器和一个通道间重复方法。 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：US08704956B2

公开(公告)日：2014-04-22

申请号：US13132221

申请日：2009-12-02

申请人： Jae-Hyun Seo ,  Hyoungsoo Lim ,  Heung-Mook Kim ,  Soo-In Lee

发明人： Jae-Hyun Seo ,  Hyoungsoo Lim ,  Heung-Mook Kim ,  Soo-In Lee

IPC分类号： H04N5/38

CPC分类号： H04H60/13

摘要： An apparatus for transmitting broadcasting content including a control signal in a broadcasting network, the apparatus includes: a modulator configured to modulate broadcasting content by a predetermined modulation method; a control signal generator configured to generate a control signal for remote control of infrastructure; an adder configured to add the control signal to the modulated broadcasting content; and a DTV transmitter configured to convert the added signal to a DTV broadcasting signal and transmit the DTV broadcasting signal.

摘要翻译： 一种用于在广播网络中发送包括控制信号的广播内容的装置，所述装置包括：调制器，被配置为通过预定的调制方式调制广播内容; 配置为产生用于远程控制基础设施的控制信号的控制信号发生器; 加法器，被配置为将所述控制信号添加到所述经调制的广播内容; 以及DTV发送器，被配置为将所添加的信号转换为DTV广播信号并发送DTV广播信号。

公开(公告)号：US20110013688A1

公开(公告)日：2011-01-20

申请号：US12517924

申请日：2007-12-05

申请人： Jae-Hyun Seo ,  Heung-Mook Kim ,  Ho-Min Eum ,  Sung-Ik Park ,  Jae-Young Lee ,  Jong-Soo Lim ,  Soo-In Lee

发明人： Jae-Hyun Seo ,  Heung-Mook Kim ,  Ho-Min Eum ,  Sung-Ik Park ,  Jae-Young Lee ,  Jong-Soo Lim ,  Soo-In Lee

IPC分类号： H03K5/159

CPC分类号： H04L25/03343 ,  H04H20/72 ,  H04L2025/03382

摘要： 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.

摘要翻译： 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。 用于提高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送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：US20100321577A1

公开(公告)日：2010-12-23

申请号：US12517613

申请日：2007-11-30

申请人： Sung-Ik Park ,  Jae-Hyun Seo ,  Ho-Min Eum ,  Jae-Young Lee ,  Heung-Mook Kim ,  Yong-Tae Lee ,  Jong-Soo Lim ,  Soo-In Lee

发明人： Sung-Ik Park ,  Jae-Hyun Seo ,  Ho-Min Eum ,  Jae-Young Lee ,  Heung-Mook Kim ,  Yong-Tae Lee ,  Jong-Soo Lim ,  Soo-In Lee

IPC分类号： H04N5/14

CPC分类号： H04L25/20 ,  H04B7/15557 ,  H04B7/15585 ,  H04H20/06 ,  H04H20/22 ,  H04H20/67 ,  H04L25/03006

摘要： 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.

摘要翻译： 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：US20100297935A1

公开(公告)日：2010-11-25

申请号：US12517969

申请日：2007-12-06

申请人： Ho-Min Eum ,  Yong-Tae Lee ,  Heung-Mook Kim ,  Jae-Hyun Seo ,  Sung-Ik Park ,  Jae-Young Lee ,  Jong-Soo Lim ,  Soo-In Lee

发明人： Ho-Min Eum ,  Yong-Tae Lee ,  Heung-Mook Kim ,  Jae-Hyun Seo ,  Sung-Ik Park ,  Jae-Young Lee ,  Jong-Soo Lim ,  Soo-In Lee

IPC分类号： H04B7/14

CPC分类号： H04B7/155 ,  H04L7/0029

摘要： 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.

摘要翻译： 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 转发器 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：US20100091908A1

公开(公告)日：2010-04-15

申请号：US12447736

申请日：2007-10-12

申请人： Sung-Ik Park ,  Jae-Young Lee ,  Jae-Hyun Seo ,  Ho-Min Eum ,  Heung-Mook Kim ,  Jong-Soo Lim ,  Soo-In Lee

发明人： Sung-Ik Park ,  Jae-Young Lee ,  Jae-Hyun Seo ,  Ho-Min Eum ,  Heung-Mook Kim ,  Jong-Soo Lim ,  Soo-In Lee

IPC分类号： H04L27/22 ,  H04L27/00

CPC分类号： H04H20/06 ,  H04B1/707 ,  H04B7/15528 ,  H04H20/12 ,  H04H60/41

摘要： 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.

摘要翻译： 提供了一种用于通过将由发射部分（例如多个发射器或中继器）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：US20080298295A1

公开(公告)日：2008-12-04

申请号：US10586825

申请日：2004-12-31

申请人： Sung-Ik Park ,  Yong-Tae Lee ,  Ho-Min Eum ,  Heung-Mook Kim ,  Jae-Hyun Seo ,  Seung-Won Kim ,  Soo-In Lee

发明人： Sung-Ik Park ,  Yong-Tae Lee ,  Ho-Min Eum ,  Heung-Mook Kim ,  Jae-Hyun Seo ,  Seung-Won Kim ,  Soo-In Lee

IPC分类号： H04B7/14

CPC分类号： H04N21/6112 ,  H04N5/40

摘要： Provided is a modulating apparatus and method of an on-channel repeater. An object of the present invention is to provide a modulating apparatus of an on-channel repeater for reducing time delay by configuring and up-sampling a baseband signal, filtering the up-sampled baseband signal with an Equi-Ripple (ER) filter or in a window method, and converting the filtered baseband signal into an RF signal. The modulating apparatus includes: a baseband signal configuring unit for configuring a baseband, signal by combining an input field and a segment sync signal; a pilot adding unit for adding a pilot signal to the baseband signal; a filtering unit for filtering the baseband signal with the pilot signal; and an RF up-converting unit for up-converting the filtered signal into an RF signal. The present invention is used to form an on-channel repeating network in a transmitting system including a digital TV broadcasting system.

摘要翻译： 提供了一种频道内中继器的调制装置和方法。 本发明的目的是提供一种通道内中继器的调制装置，用于通过对基带信号进行配置和上采样来减少时间延迟，用等波纹（ER）滤波器对上采样基带信号进行滤波，或者 窗口方法，并将滤波后的基带信号转换为RF信号。 调制装置包括：基带信号配置单元，用于通过组合输入字段和段同步信号来配置基带信号; 导频添加单元，用于向所述基带信号添加导频信号; 滤波单元，用于利用导频信号对基带信号进行滤波; 以及用于将经滤波的信号上变频为RF信号的RF上变频单元。 本发明用于在包括数字电视广播系统的发射系统中形成一个信道上重复网络。