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1. 发明授权

US08520751B2 Channel estimation apparatus and method using linear/nonlinear average in wireless telecommunication system 有权
标题翻译：在无线电信系统中使用线性/非线性平均的信道估计装置和方法
公开(公告)号：US08520751B2
公开(公告)日：2013-08-27
申请号：US12514121
申请日：2007-10-20
申请人： Sung-Ik Park , Hyoung-Soo Lim , Heung-Mook Kim , Jong-Soo Lim , Soo-In Lee
发明人： Sung-Ik Park , Hyoung-Soo Lim , Heung-Mook Kim , Jong-Soo Lim , Soo-In Lee
IPC分类号： H04L27/28 , H04B15/00
CPC分类号： H04L27/28
摘要： Provided is a channel estimation apparatus and method using a linear/nonlinear average in a wireless communication system. The present research provides a channel estimation apparatus and method for estimating a channel between a transmitter and a receiver from a pilot-inserted OFDM signal and linearly or nonlinearly averaging the estimating channel, thereby preventing the equalizer performance from being degraded by noise component of the estimated channel and noise amplification caused by deep fading. The channel estimation apparatus includes: a channel estimation unit configured to estimate a channel coefficient of a channel between a transmitter and a receiver from a pilot-inserted carrier signal according to pilot arrangement; and a linear/nonlinear averaging unit configured to linearly or nonlinearly averaging the estimated channel coefficient, thereby preventing an equalizer performance from being degraded by noise component existing in the channel and noise amplification caused by deep fading.
摘要翻译：提供了一种在无线通信系统中使用线性/非线性平均的信道估计装置和方法。本研究提供了一种信道估计装置和方法，用于从导频插入OFDM信号估计发射机和接收机之间的信道，并且对估计信道进行线性或非线性平均，从而防止均衡器性能被估计的噪声分量降低通道和噪声放大引起的深度衰落。信道估计装置包括：信道估计单元，被配置为根据导频布置从导频插入载波信号估计发射机和接收机之间的信道的信道系数; 以及线性/非线性平均单元，被配置为对所估计的信道系数进行线性或非线性平均化，从而防止均衡器性能由存在于信道中的噪声分量和由深衰落引起的噪声放大降低。

2. 发明申请

US20100061471A1 CHANNEL ESTIMATION APPARATUS AND METHOD USING LINEAR/NONLINEAR AVERAGE IN WIRELESS TELECOMMUNICATION SYSTEM 有权
标题翻译：在无线电信系统中使用线性/非线性平均的信道估计装置和方法
公开(公告)号：US20100061471A1
公开(公告)日：2010-03-11
申请号：US12514121
申请日：2007-10-20
申请人： Sung-Ik Park , Hyoung-Soo Lim , Heung-Mook Kim , Jong-Soo Lim , Soo-In Lee
发明人： Sung-Ik Park , Hyoung-Soo Lim , Heung-Mook Kim , Jong-Soo Lim , Soo-In Lee
IPC分类号： H04L27/28 , H04B15/00
CPC分类号： H04L27/28
摘要： Provided is a channel estimation apparatus and method using a linear/nonlinear average in a wireless communication system. The present research provides a channel estimation apparatus and method for estimating a channel between a transmitter and a receiver from a pilot-inserted OFDM signal and linearly or nonlinearly averaging the estimating channel, thereby preventing the equalizer performance from being degraded by noise component of the estimated channel and noise amplification caused by deep fading. The channel estimation apparatus includes: a channel estimation unit configured to estimate a channel coefficient of a channel between a transmitter and a receiver from a pilot-inserted carrier signal according to pilot arrangement; and a linear/nonlinear averaging unit configured to linearly or nonlinearly averaging the estimated channel coefficient, thereby preventing an equalizer performance from being degraded by noise component existing in the channel and noise amplification caused by deep fading.
摘要翻译：提供了一种在无线通信系统中使用线性/非线性平均的信道估计装置和方法。本研究提供了一种信道估计装置和方法，用于从导频插入OFDM信号估计发射机和接收机之间的信道，并且对估计信道进行线性或非线性平均，从而防止均衡器性能被估计的噪声分量降低通道和噪声放大引起的深度衰落。信道估计装置包括：信道估计单元，被配置为根据导频布置从导频插入载波信号估计发射机和接收机之间的信道的信道系数; 以及线性/非线性平均单元，被配置为对所估计的信道系数进行线性或非线性平均化，从而防止均衡器性能由存在于信道中的噪声分量和由深衰落引起的噪声放大降低。

3. 发明授权

US08472872B2 On-channel repeating apparatus and method 失效
标题翻译：通道重复装置和方法
公开(公告)号：US08472872B2
公开(公告)日：2013-06-25
申请号：US12674418
申请日：2008-08-20
申请人： Sung Ik Park , Heung Mook Kim , Jong-Soo Lim , Soo In Lee
发明人： Sung Ik Park , Heung Mook Kim , Jong-Soo Lim , Soo In Lee
IPC分类号： H04B7/14
CPC分类号： H04B7/15585 , H04B1/525 , H04L25/03019
摘要： An on-channel repeating apparatus and method is provided. The method includes subtracting a replica of a feedback signal from a signal received from a main transmitter or another repeating apparatus; demodulating and equalizing the signal to remove noise, a multipath signal, and the remaining feedback signal from the signal; inserting identification signal having good correlation properties into the signal; modulating the signal; and transmitting the modulated signal.
摘要翻译：提供了一种通道内重复装置和方法。该方法包括从从主发射机或其他中继装置接收的信号中减去反馈信号的副本; 解调和均衡信号以去除噪声，多路径信号和来自信号的剩余反馈信号; 将具有良好相关性的识别信号插入信号中; 调制信号; 并发送调制信号。

4. 发明申请

US20110111722A1 IDENTIFICATION SIGNAL ANALYZING APPARATUS AND METHOD FOR COMPENSATING FOR SEPARATION AND ATTENUATION OF CHANNEL PROFILE 有权
标题翻译：识别信号分析装置和用于分离和衰减通道配置文件的方法
公开(公告)号：US20110111722A1
公开(公告)日：2011-05-12
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： H04B1/16
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。

5. 发明授权

US08681911B2 Identification signal analyzing apparatus and method for compensating for separation and attenuation of channel profile 有权
标题翻译：识别信号分析装置和补偿信道分布衰减的方法
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。

6. 发明授权

US08514960B2 Apparatus and method for compensating feedback path distortion 失效
标题翻译：用于补偿反馈路径失真的装置和方法
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。

7. 发明申请

US20100221998A1 ON-CHANNEL REPEATER AND ON-CHANNEL REPEATING METHOD 有权
标题翻译：通道重发器和通道重复方法
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。

8. 发明授权

US08238820B2 On-channel repeater and on-channel repeating method 失效
标题翻译：通道中继器和通道重复方法
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。

9. 发明授权

US08767890B2 Apparatus and method for analyzing identification signal based on partial correlation 有权
标题翻译：基于部分相关分析识别信号的装置和方法
公开(公告)号：US08767890B2
公开(公告)日：2014-07-01
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： H03D1/00 , H04L27/06
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。

10. 发明授权

US08442098B2 Distributed repeater and distributed repeating method thereof 失效
标题翻译：分布式中继器及其分布式重复方法
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。

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