公开(公告)号：US20110228865A1

公开(公告)日：2011-09-22

申请号：US13131188

申请日：2009-10-29

申请人： Sung-Ik Park ,  Heung-Mook Kim ,  Young-Woo Suh ,  Jaekwon Lee

发明人： Sung-Ik Park ,  Heung-Mook Kim ,  Young-Woo Suh ,  Jaekwon Lee

IPC分类号： H04H20/18

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： Provided is an additional information insertion apparatus for a broadcasting system, including: 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： 提供了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，被配置为通过分频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; 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。

公开(公告)号：US08675691B2

公开(公告)日：2014-03-18

申请号：US13131188

申请日：2009-10-29

申请人： Sung-Ik Park ,  Heung-Mook Kim ,  Young-Woo Suh ,  Jaekwon Lee

发明人： Sung-Ik Park ,  Heung-Mook Kim ,  Young-Woo Suh ,  Jaekwon Lee

IPC分类号： H04J3/06 ,  H04N7/12 ,  H04N5/38 ,  H04B1/00

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： The embodiments provide an additional information insertion apparatus for a broadcasting system. The system includes a broadcasting signal transmitter configured to transmit a broadcasting signal along with 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 is 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 by as much as a predetermined value. A data synthesizer is provided to insert the additional data from the data generator into the modulated broadcasting signal.

摘要翻译： 实施例提供了一种用于广播系统的附加信息插入装置。 该系统包括：广播信号发射器，被配置为与广播信号发射机的调制器分频的经调制信号相分离的数据提取器一起传送广播信号。 附加数据发生器被配置为从所提取的广播信号中提取广播信号的同步，基于所提取的同步对附加信息进行调制，并且将经调制的附加信息的电平生成比调制的信号的信号电平更小的电平 信号通过多达预定值。 提供数据合成器以将来自数据发生器的附加数据插入调制广播信号。

公开(公告)号：US08467482B2

公开(公告)日：2013-06-18

申请号：US12753255

申请日：2010-04-02

申请人： Sung-Ik Park ,  Heung-Mook Kim ,  Md. Jahidur Rahman ,  Xianbin Wang

发明人： Sung-Ik Park ,  Heung-Mook Kim ,  Md. Jahidur Rahman ,  Xianbin Wang

IPC分类号： H03D1/00

CPC分类号： H04H20/30 ,  H04H40/18 ,  H04H60/37 ,  H04H60/74

摘要： A method for identifying a transmitter in a digital broadcasting system includes: receiving a broadcast signal in which a TxID sequence for identification of a transmitter is embedded; correlating the received broadcast signal with a plurality of elementary code sequences of a pseudo-random sequence sequentially; and identifying the transmitter by using the correlation results.

摘要翻译： 一种用于识别数字广播系统中的发射机的方法包括：接收广播信号，其中嵌入用于识别发射机的TxID序列; 将所接收的广播信号与伪随机序列的多个基本码序列顺序相关; 并通过使用相关结果识别发射机。

公开(公告)号：US08270533B2

公开(公告)日：2012-09-18

申请号：US12846169

申请日：2010-07-29

申请人： Sung-Ik Park ,  Hyoungsoo Lim ,  Heung-Mook Kim ,  Donghoon Kang ,  Wangrok Oh

发明人： Sung-Ik Park ,  Hyoungsoo Lim ,  Heung-Mook Kim ,  Donghoon Kang ,  Wangrok Oh

IPC分类号： H04L27/04 ,  H03D1/24

CPC分类号： H04L27/02 ,  H03C1/547 ,  H03D1/2245 ,  H03D2200/008

摘要： A transmitter for transmitting data in a communication system includes: a serial/parallel (S/P) conversion unit configured to convert data into an I signal and a Q signal; multiplication units configured to multiply the converted I and Q signals by orthogonal sequences, respectively; conversion units configured to Hilbert-transform the I and Q signals multiplied by the orthogonal sequences; addition units configured to add the I and Q signals multiplied by the orthogonal sequences and the Hilbert-transformed Q and I signal, respectively; and an intermediate frequency (IF)/radio frequency (RF) unit configured to up-convert the added I signal and the added Q signal and transmit the converted I and Q signals.

摘要翻译： 一种用于在通信系统中传输数据的发射机包括：串行/并行（S / P）转换单元，被配置为将数据转换为I信号和Q信号; 乘法单元，分别被配置为通过正交序列来乘法转换的I和Q信号; 转换单元，被配置为希尔伯特变换乘以正交序列的I和Q信号; 附加单元，被配置为分别加上乘以正交序列的I和Q信号以及希尔伯特变换的Q和I信号; 以及中频（IF）/射频（RF）单元，被配置为对所添加的I信号和所添加的Q信号进行上变频，并发送所转换的I和Q信号。

公开(公告)号：US20120224620A1

公开(公告)日：2012-09-06

申请号：US13509343

申请日：2010-08-10

申请人： Sung-Ik Park ,  Heung-Mook Kim

发明人： Sung-Ik Park ,  Heung-Mook Kim

IPC分类号： H04L1/00 ,  H04L27/01 ,  H04B1/16

CPC分类号： H03M13/2703 ,  H03M13/1111 ,  H03M13/1117 ,  H03M13/1191 ,  H03M13/1515 ,  H03M13/256 ,  H03M13/2906 ,  H03M13/616 ,  H04N21/2383 ,  H04N21/4382

摘要： The present invention relates to an apparatus and a method for receiving data using a low-density parity check (LDPC) decoding scheme in a digital broadcasting system. The method comprises calculating a parity check matrix of a trellis coded modulation symbol from data that is received via an antenna; transforming the calculated parity check matrix into a low-density parity check matrix; decoding the data having been received via the antenna, based on the transformed low-density parity check matrix; and recovering the data having been received via the antenna.

摘要翻译： 本发明涉及一种在数字广播系统中使用低密度奇偶校验（LDPC）解码方案接收数据的装置和方法。 该方法包括：经由天线接收的数据计算网格编码调制符号的奇偶校验矩阵; 将计算的奇偶校验矩阵转换成低密度奇偶校验矩阵; 基于经变换的低密度奇偶校验矩阵对经由天线接收的数据进行解码; 以及恢复已经通过天线接收的数据。

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：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：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：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。

公开(公告)号：US08654886B2

公开(公告)日：2014-02-18

申请号：US12994827

申请日：2009-05-29

申请人： Sung-Ik Park ,  Hyoungsoo Lim ,  Heung-Mook Kim ,  Soo-In Lee

发明人： Sung-Ik Park ,  Hyoungsoo Lim ,  Heung-Mook Kim ,  Soo-In Lee

IPC分类号： H01L27/04 ,  H04B1/66

CPC分类号： H04H40/18 ,  H04B1/709 ,  H04L1/0041 ,  H04L1/0047 ,  H04L1/0057 ,  H04L1/0065 ,  H04L1/0071 ,  H04L2001/0093 ,  H04W52/322

摘要： An apparatus for transmitting and receiving broadcasting-communication data, the apparatus including an original signal generator configured to receive the original data and generate baseband original signals, a first modulator configured to receive the baseband additional signals and generate original signals of a predetermined band, an additional signal generator configured to receive the additional data and generate baseband additional signals, a second modulator configured to receive the baseband additional signals and generate additional signals of a predetermined band, an average power controller configured to control an average power of the additional signals of the predetermined band, an inserter configured to insert the additional signals of the predetermined band with a controlled average power to the original signals of the predetermined band to thereby generate mixed signals of a predetermined band, and a transmitter configured to transmit the mixed signals of the predetermined band.

摘要翻译： 一种用于发送和接收广播通信数据的装置，所述装置包括被配置为接收原始数据并生成基带原始信号的原始信号发生器，被配置为接收基带附加信号并生成预定频带的原始信号的第一调制器， 附加信号发生器，被配置为接收附加数据并产生基带附加信号，第二调制器被配置为接收基带附加信号并产生预定频带的附加信号，平均功率控制器被配置为控制所述附加信号的平均功率 预定频带，插入器，被配置为以预定频带的原始信号插入具有受控平均功率的预定频带的附加信号，从而产生预定频带的混合信号;以及发射机，被配置为发送预定频带的混合信号 内带。