公开(公告)号：US08238820B2

公开(公告)日：2012-08-07

申请号：US12507115

申请日：2009-07-22

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

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

IPC分类号： H04B7/14

CPC分类号： H04B7/15585

摘要： Provided is an on-channel repeater, which includes a receiver for receiving radio frequency (RF) signals; a subtractor for subtracting replica from the RF signals to thereby produce output signals of the subtractor; a repeating process unit for performing a repeating process onto the output signals of the subtractor; and a replica generator for calculating replica based on the output signals of the subtractor and the signals obtained after repeating process performed thereon and feeding the replica back to the subtractor.

摘要翻译： 提供一种同信道中继器，其包括用于接收射频（RF）信号的接收机; 减法器，用于从RF信号中减去副本，从而产生减法器的输出信号; 重复处理单元，用于对减法器的输出信号执行重复处理; 以及副本生成器，用于基于减法器的输出信号和在其上执行的重复处理之后获得的信号来计算副本，并将副本送回减法器。

公开(公告)号：US20100221998A1

公开(公告)日：2010-09-02

申请号：US12669815

申请日：2007-11-09

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

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

IPC分类号： H04B7/14

CPC分类号： H04B7/15585 ,  H04B1/525

摘要： Provided are an on-channel repeater and method for increasing output of the on-channel repeater by removing feed-back 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-converting 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.

摘要翻译： 提供一种通道中继器和方法，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。 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：US08442098B2

公开(公告)日：2013-05-14

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： H04B3/36

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：US08170470B2

公开(公告)日：2012-05-01

申请号：US12669815

申请日：2007-11-09

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

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

IPC分类号： H04B3/36 ,  H04B17/02 ,  H04B7/15 ,  H04B7/14

CPC分类号： H04B7/15585 ,  H04B1/525

摘要： Provided are an on-channel repeater for repeating an output signal the same as an input signal on channel by removing feedback signals caused by low isolation of a transmission/reception antenna by converting a transmitted Radio Frequency (RF) signal into a signal of a predetermined band and subtracting a replica of the feedback signal from the converted signal, and by compensating for channel distortion of a reception signal by estimating an inverse of reception channel from a signal acquired by removing the feedback signal, and an on-channel repeating method.

摘要翻译： 提供一种同信道中继器，用于通过将发送的射频（RF）信号转换为预定的信号的信号，通过消除由发送/接收天线的低隔离引起的反馈信号来重复与信道上的输入信号相同的输出信号 并且从经转换的信号中减去反馈信号的副本，并且通过从通过去除反馈信号获取的信号估计接收信道的反向来补偿接收信号的信道失真，以及通道重复方法。

公开(公告)号：US20100311323A1

公开(公告)日：2010-12-09

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： H04B17/02

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：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：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：US08681911B2

公开(公告)日：2014-03-25

申请号：US12676656

申请日：2008-05-15

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

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

IPC分类号： H03D1/00

CPC分类号： H04H20/12 ,  H04H20/06

摘要： 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.

摘要翻译： 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：US08514960B2

公开(公告)日：2013-08-20

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： H04B7/02

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。