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    • 84. 发明授权
    • Apparatus and method for transmitting/receiving data in a communication system
    • 用于在通信系统中发送/接收数据的装置和方法
    • US08503505B2
    • 2013-08-06
    • US13105877
    • 2011-05-11
    • Jeongchang KimSung-Ik ParkHeung-Mook Kim
    • Jeongchang KimSung-Ik ParkHeung-Mook Kim
    • H04B1/707
    • H04J13/0003H04J13/10
    • An apparatus and a method for transmitting/receiving data generate main service data of broadcasting data, generate additional data of the broadcasting data, transform the additional data into a parallel type, generate pseudo-random noise sequences as a spreading code of the additional data, select polarities of the pseudo-random noise sequences using any one additional data bits in the additional data in the transformed parallel type, map the remaining additional data bits excluding the one additional data bit from the additional data in the transformed parallel type to a single sequence, multiply a single sequence to which the remaining additional data bits are mapped by pseudo-noise sequences of which the polarities are selected, control mean power of the additional data multiplied by the sequences, couple the additional data of which the mean power is controlled with the main service data, and then, transmit the broadcasting data.
    • 用于发送/接收数据的装置和方法产生广播数据的主服务数据,产生广播数据的附加数据,将附加数据变换为并行类型,生成伪随机噪声序列作为附加数据的扩展码, 使用变换的并行类型的附加数据中的任何一个附加数据位来选择伪随机噪声序列的极性,将除了一个附加数据位的剩余附加数据位从变换并行类型的附加数据映射到单个序列 ,通过选择极性的伪噪声序列乘以剩余的附加数据位映射到的单个序列,附加数据乘以序列的控制平均功率,将其平均功率被控制的附加数据与 主要业务数据,然后发送广播数据。
    • 88. 发明申请
    • RELAY APPARATUS FOR TRANSMITTING ANCILLARY DATA FOR A TERRESTRIAL DIGITAL TELEVISION BROADCAST, AND METHOD FOR SAME
    • 用于发送陆地数字电视广播的附加数据的中继装置及其方法
    • US20120185909A1
    • 2012-07-19
    • US13498697
    • 2010-09-08
    • Jae-Hyun SeoSung-Ik ParkHo-Min EumHyoungsoo LmiHeung-Mook Kim
    • Jae-Hyun SeoSung-Ik ParkHo-Min EumHyoungsoo LmiHeung-Mook Kim
    • H04N21/61
    • H04H20/02H04H60/73H04N5/38
    • The present invention relates to a relay apparatus for transmitting ancillary data and to a method for same, and particularly, to a relay apparatus for transmitting ancillary data for a terrestrial digital television broadcast and to a method for same. The apparatus according to one embodiment of the present invention comprises: a relay apparatus for relaying a digital broadcast (DTV) signal containing ancillary data; a receiving and processing unit for receiving the ancillary data and DTV signal via a receiving antenna, down-converting the received signal into an intermediate frequency (IF) signal, and demodulating the IF signal; an equalizing unit for removing noise and a multipath signal from the signal output from the receiving and processing unit, and outputting the resulting signal; an ancillary data extraction unit for extracting the ancillary data from the signal output from the equalizing unit, and outputting the extracted ancillary data; an adder for adding the output from the ancillary data extraction unit to the DTV signal output from the equalization unit; and a transmitting and processing unit for modulating the output from the adder, up-converting the modulated output into a transmitting RF band, amplifying the transmitting power, and transmitting the amplified power via a transmitting antenna.
    • 本发明涉及用于发送辅助数据的中继装置及其方法,特别涉及用于发送用于地面数字电视广播的辅助数据的中继装置及其方法。 根据本发明的一个实施例的装置包括:中继装置,用于中继包含辅助数据的数字广播(DTV)信号; 接收和处理单元,用于经由接收天线接收辅助数据和DTV信号,将接收信号下变频为中频(IF)信号,并解调IF信号; 用于从接收和处理单元输出的信号中去除噪声的均衡单元和多径信号,并输出结果信号; 辅助数据提取单元,用于从均衡单元输出的信号中提取辅助数据,并输出提取的辅助数据; 加法器,用于将来自辅助数据提取单元的输出与从均衡单元输出的DTV信号相加; 以及用于调制来自加法器的输出的发送和处理单元,将调制的输出上变频为发送RF频带,放大发送功率,以及经由发送天线发送放大的功率。
    • 89. 发明授权
    • Apparatus for equalizing channel in frequency domain and method therefor
    • 用于均衡频域信道的装置及其方法
    • US08170089B2
    • 2012-05-01
    • US12088040
    • 2005-12-26
    • Sung-Ik ParkSeung-Won KimSoo-In LeeSang-Won SonYou-Seok LeeHyoung-Nam Kim
    • Sung-Ik ParkSeung-Won KimSoo-In LeeSang-Won SonYou-Seok LeeHyoung-Nam Kim
    • H03H7/30
    • H04L25/03159H04L25/0212
    • 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.
    • 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。
    • 90. 发明申请
    • APPARATUS AND METHOD FOR TRANSMITTING/RECEIVING DATA IN A COMMUNICATION SYSTEM
    • 用于在通信系统中发送/接收数据的装置和方法
    • US20110292810A1
    • 2011-12-01
    • US13115238
    • 2011-05-25
    • You-Seok LEESung-Ik PARKJae-Hyun SEOHeung-Mook KIM
    • You-Seok LEESung-Ik PARKJae-Hyun SEOHeung-Mook KIM
    • H04W4/00H04W24/00
    • H04W52/225H04W4/06
    • A data transmission apparatus of a communication system includes a main data generator configured to generate main data corresponding to a main broadcasting service of broadcasting services; a main signal generator configured to generate a main signal of the main data; an additional data generator configured to generate a plurality of additional data corresponding to various additional services of the broadcasting services; an additional signal generator configured to generate a plurality of additional signals of the plurality of additional data; a power controller configured to control average power of the plurality of additional signals; a coupler configured to couple the main signal and the plurality of additional signals controlled in the average power thereof, and generate a broadcasting signal; and a transmitter configured to transmit the broadcasting signal.
    • 通信系统的数据发送装置包括:主数据发生器,被配置为生成与广播业务的主广播业务对应的主数据; 主信号发生器,被配置为产生主数据的主信号; 配置为生成对应于所述广播服务的各种附加服务的多个附加数据的附加数据发生器; 配置为生成所述多个附加数据的多个附加信号的附加信号发生器; 功率控制器,被配置为控制所述多个附加信号的平均功率; 耦合器,被配置为耦合主信号和以其平均功率控制的多个附加信号,并产生广播信号; 以及被配置为发送广播信号的发射机。