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1. 发明申请

WO2009148278A2 CHANNEL ESTIMATION AND EQUALIZATION METHOD AND SYSTEM 审中-公开
标题翻译：渠道估算和均衡方法与系统
公开(公告)号：WO2009148278A2
公开(公告)日：2009-12-10
申请号：PCT/KR2009/002991
申请日：2009-06-04
申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , SUNGKYUNKWAN UNIVERSITY , PARK, So Ra , IM, Se Bin , CHOI, Hyung Jin , PARK, Sung Ik , LEE, Yong Tae , LIM, Jong Soo , LEE, Soo In
发明人： PARK, So Ra , IM, Se Bin , CHOI, Hyung Jin , PARK, Sung Ik , LEE, Yong Tae , LIM, Jong Soo , LEE, Soo In
IPC分类号： H04J11/00 , H04N5/44
CPC分类号： H04J13/00 , H04L25/0206 , H04L25/0212 , H04L25/022 , H04L25/0228 , H04L25/03159 , H04L25/03292 , H04L27/2602 , H04L27/2607 , H04L27/2613 , H04L27/265 , H04L2025/03414
摘要： Disclosed is a channel estimation and equalization method and system. The method inserts a pilot signal in the time domain into a guard interval, uses a hard decision signal in the frequency domain to estimate a frequency response of the channel, and equalizes a radio channel distortion through the estimated channel value.
摘要翻译：公开了一种信道估计和均衡方法及系统。该方法将时域中的导频信号插入保护间隔，使用频域中的硬判决信号来估计信道的频率响应，并通过估计的信道值来平衡无线信道失真。

2. 发明申请

WO2008147151A2 TRANSMISSION METHOD, TRANSMISSION APPARATUS, RECEPTION METHOD, RECEPTION APPARATUS OF DIGITAL BROADCASTING SIGNAL AND TRANSMISSION FRAME-FORM THEREOF 审中-公开
标题翻译：传输方法，传输装置，接收方法，数字广播信号的接收装置及其传输帧格式
公开(公告)号：WO2008147151A2
公开(公告)日：2008-12-04
申请号：PCT/KR2008003072
申请日：2008-05-30
申请人： KOREA ELECTRONICS TELECOMM , SEO JAE HYUN , LIM HYOUNG SOO , LEE YONG TAE , KIM HEUNG MOOK , PARK SUNG IK , LIM JONG SOO , LEE SOO IN
发明人： SEO JAE HYUN , LIM HYOUNG SOO , LEE YONG TAE , KIM HEUNG MOOK , PARK SUNG IK , LIM JONG SOO , LEE SOO IN
IPC分类号： H04N7/12 , H04N5/00
CPC分类号： H04N21/23614 , H04N21/234309 , H04N21/23439 , H04N21/2365 , H04N21/2381 , H04N21/2383 , H04N21/242 , H04N21/4122 , H04N21/4126 , H04N21/41407 , H04N21/4347 , H04N21/4382 , H04N21/64315
摘要： The present invention relates to a transmission method, a transmission apparatus, a reception method, and a reception apparatus of a digital broadcasting signal that can add frame header information to a front portion of a transmission frame in a transmission system for digital broadcasting to thereby determine a different transmission mode, modulation level, hierarchical modulation, error correction code, and the like for each temporally different transmission frame, and a transmission frame structure thereof. The transmission frame structure includes a frame header containing multiplexing information of the transmission frame, and a frame body containing data information associated with a service provided by the transmission frame. Also, the frame header may include a frame synchronization signal unit including synchronization signal information for extracting a start position of the transmission frame and a frame information unit including multiplexing information of data contained in the transmission frame. The multiplexing information denotes information associated with a transmission mode, a modulation level, a hierarchical modulation, and an error correction code of the data contained in the transmission frame.
摘要翻译：本发明涉及数字广播信号的发送方法，发送装置，接收方法和接收装置，该数字广播信号可以将帧头信息添加到用于数字广播的发送系统中的发送帧的前部，从而确定对于每个时间上不同的传输帧，不同的传输模式，调制级别，分级调制，纠错码等，以及其传输帧结构。传输帧结构包括包含传输帧的复用信息的帧报头和包含与由传输帧提供的服务相关联的数据信息的帧体。此外，帧头可以包括帧同步信号单元，其包括用于提取发送帧的开始位置的同步信号信息和包括复用传输帧中包含的数据的信息的帧信息单元。复用信息表示与发送帧中包含的数据的发送模式，调制等级，分级调制和纠错码相关的信息。

3. 发明申请

WO2008069592A1 APPARATUS AND METHOD FOR SYNCHRONIZING FREQUENCY IN DISTRIBUTED REPEATER 审中-公开
标题翻译：在分布式重复器中同步频率的装置和方法
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
申请人： 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
发明人： 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分类号： H04B7/155
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。

4. 发明申请

WO2008069580A1 APPARATUS AND METHOD FOR COMPENSATING FEEDBACK PATH DISTORTION 审中-公开
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：WO2008069580A1
公开(公告)日：2008-06-12
申请号：PCT/KR2007/006291
申请日：2007-12-05
申请人： 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
发明人： SEO, Jae-Hyun , KIM, Heung-Mook , EUM, Ho-Min , PARK, Sung-Ik , LEE, Jae-Young , LIM, Jong-Soo , LEE, Soo-In
IPC分类号： H04N7/015
CPC分类号： H04H20/12
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。

5. 发明申请

WO2008069506A1 DISTRIBUTED REPEATER AND DISTRIBUTED REPEATING METHOD THEREOF 审中-公开
标题翻译：分布式分配器和分布式重复方法
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
申请人： 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
发明人： 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分类号： H04L25/20
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。

6. 发明申请

WO2007037576A1 APPARATUS FOR EQUALIZING CHANNEL IN FREQUENCY DOMAIN AND METHOD THEREFOR 审中-公开
标题翻译：用于使频域中的频道均衡的装置及其方法
公开(公告)号：WO2007037576A1
公开(公告)日：2007-04-05
申请号：PCT/KR2005/004541
申请日：2005-12-26
申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , PARK, Sung-ik , KIM, Seung-won , LEE, Soo-in , SON, Sang-won , LEE, You-seok , KIM, Hyoung-nam
发明人： PARK, Sung-ik , KIM, Seung-won , LEE, Soo-in , SON, Sang-won , LEE, You-seok , KIM, Hyoung-nam
IPC分类号： H04L27/01
CPC分类号： H04L25/03159 , H04L25/0212
摘要： Provided is an apparatus for channel equalization in frequency domain, including: a channel estimation unit for estimating a channel on received signal from outside, a channel matched filter for changing channel characteristic of the channel estimated by the channel estimation unit and the received signal to channel characteristic to meet condition required for noncausal filtering, a noncausal filter for changing the channel characteristic changed by the channel matched filter from nonminimum phase channel to minimum phase channel, a reverse channel calculation unit for calculating a reverse of the channel changed by the noncausal filter in frequency domain, and a frequency domain equalization unit for performing channel equalization with respect to the channel changed by the noncausal filter in the frequency domain by using the reverse obtained by the reverse channel calculation unit as coefficients of the frequency domain equalization apparatus.
摘要翻译：提供了一种频域信道均衡的装置，包括：信道估计单元，用于估计来自外部的接收信号的信道，用于改变由信道估计单元估计的信道的信道特性的信道匹配滤波器，以及接收的信道到信道特征为满足非因果滤波所需的条件，用于将由信道匹配滤波器改变的信道特性改变为非最小相位信道的非因果滤波器，用于计算由非因果滤波器改变的信道的反向的反向信道计算单元，频域均衡单元，用于通过使用由反向信道计算单元获得的反相作为频域均衡装置的系数，对频域中的非因果滤波器改变的信道进行信道均衡。

7. 发明申请

WO2006115320A1 APPARATUS AND METHOD OF ON-CHANNEL REPEATER 审中-公开
标题翻译：通道重复器的设备和方法
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
申请人： 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
发明人： PARK, Sung-Ik , LEE, Yong-Tae , EUM, Ho-Min , KIM, Heung-Mook , SEO, Jae-Hyun , KIM, Seung-Won , LEE, Soo-In
IPC分类号： H04B7/14
CPC分类号： H04B7/155 , H04B7/15564
摘要： 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.
摘要翻译：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。

8. 发明申请

WO2012015271A2 METHOD AND APPARATUS FOR TRANSCEIVING A BROADCAST SIGNAL IN A DIGITAL BROADCAST SYSTEM 审中-公开
公开(公告)号：WO2012015271A2
公开(公告)日：2012-02-02
申请号：PCT/KR2011005611
申请日：2011-07-29
申请人： KOREA ELECTRONICS TELECOMM , SEO JAE-HYUN , KIM HEUNG-MOOK , PARK SUNG-IK , EUM HO-MIN , LIM HYOUNGSOO , LEE SOO-IN
发明人： SEO JAE-HYUN , KIM HEUNG-MOOK , PARK SUNG-IK , EUM HO-MIN , LIM HYOUNGSOO , LEE SOO-IN
IPC分类号： H04H60/09 , H04N7/08
CPC分类号： H04H20/00 , H04H20/28 , H04H60/07 , H04N7/08 , H04N21/84 , Y02D70/00 , Y02D70/168
摘要： The present invention relates to a method and apparatus for transceiving a broadcast signal in a digital broadcast system. The method for transmitting a broadcast signal according to one embodiment of the present invention comprises the following steps: generating a main signal using main data; generating an additional signal, the power of which is lower than that of the main signal, using a plurality of additional data; generating an additional signal frame using the additional signal and a frame header; and generating a broadcast signal using the main signal and an additional signal frame. The frame header is used in selectively extracting the plurality of additional data from the additional signal frame. According to the present invention, additional data can be efficiently transmitted while maintaining compatibility with existing digital broadcasting systems.

9. 发明申请

WO2010062042A2 ADDED INFORMATION INSERTION APPARATUS AND METHOD IN BROADCASTING SYSTEM 审中-公开
标题翻译：广播信息插入装置和广播系统中的方法
公开(公告)号：WO2010062042A2
公开(公告)日：2010-06-03
申请号：PCT/KR2009006288
申请日：2009-10-29
申请人： KOREA ELECTRONICS TELECOMM , KOREAN BROADCASTING SYSTEM , PARK SUNG-IK , KIM HEUNG-MOOK , SUH YOUNG-WOO , LEE JAEKWON
发明人： PARK SUNG-IK , KIM HEUNG-MOOK , SUH YOUNG-WOO , LEE JAEKWON
IPC分类号： H04N7/08
CPC分类号： H04H20/72 , H04H20/28 , H04H20/30 , H04L1/0041 , H04L1/0059 , H04L1/0065 , H04L27/2627 , H04N7/08 , H04N21/2383 , H04N21/4382
摘要： An additional information insertion apparatus for a broadcasting system includes: a broadcasting signal transmitter configured to transmit a broadcasting signal; a data extractor configured to extract a modulated signal by dividing the modulated signal from a modulator of the broadcasting signal transmitter; an additional data generator configured to extract synchronization of the broadcasting signal from the extracted broadcasting signal, modulate the additional information based on the extracted synchronization, and generate a level of the modulated additional information to be a smaller level than a signal level of the modulated signal as much as a predetermined value; and a data synthesizer configured to insert the additional data from the data generator into the modulated broadcasting signal.
摘要翻译：一种用于广播系统的附加信息插入装置，包括：广播信号发射机，被配置为发送广播信号; 数据提取器，被配置为通过分配来自广播信号发射机的调制器的调制信号来提取调制信号; 被配置为从所提取的广播信号中提取广播信号的同步的附加数据发生器，基于所提取的同步对附加信息进行调制，并将所调制的附加信息的电平生成为比调制信号的信号电平更小的电平多达预定值; 以及数据合成器，被配置为将来自数据发生器的附加数据插入到调制广播信号中。

10. 发明申请

WO2010050655A2 APPARATUS AND METHOD FOR MEASURING INDIVIDUAL RECEIVING POWER USING IDENTIFICATION SISGNAL 审中-公开
标题翻译：使用识别SISGNAL测量个体接收电力的装置和方法
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
申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , PARK, Sung-Ik , KIM, Heung-Mook , LEE, Soo-In
发明人： PARK, Sung-Ik , KIM, Heung-Mook , LEE, Soo-In
IPC分类号： H04B1/707
CPC分类号： H04B7/2606
摘要： 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.
摘要翻译：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。

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