公开(公告)号：US20120163494A1

公开(公告)日：2012-06-28

申请号：US13334578

申请日：2011-12-22

Applicant: You-Seok LEE ,  Heung-Mook KIM

Inventor： You-Seok LEE ,  Heung-Mook KIM

IPC: H04L27/04 ,  H04L27/06

CPC classification number: H04H20/30

Abstract: An apparatus for transmitting a main broadcasting signal and additional data in a digital broadcasting system includes: an orthogonal sequence generation unit configured to generate an orthogonal sequence having orthogonality with the main broadcasting signal; an orthogonal sequence delay unit configured to delay the generated orthogonal sequence according to inputted additional data; a signal mixing unit configured to mix the delayed orthogonal sequence with the main broadcasting signal and generate a mixed signal; and a transmission unit configured to transmit the mixed signal.

Abstract translation: 一种用于在数字广播系统中发送主广播信号和附加数据的装置包括：正交序列生成单元，被配置为产生与主广播信号具有正交性的正交序列; 正交序列延迟单元，被配置为根据输入的附加数据来延迟所生成的正交序列; 信号混合单元，被配置为将延迟正交序列与主广播信号混合并产生混合信号; 以及发送单元，被配置为发送混合信号。

公开(公告)号：US08170089B2

公开(公告)日：2012-05-01

申请号：US12088040

申请日：2005-12-26

Applicant: Sung-Ik Park ,  Seung-Won Kim ,  Soo-In Lee ,  Sang-Won Son ,  You-Seok Lee ,  Hyoung-Nam Kim

Inventor： Sung-Ik Park ,  Seung-Won Kim ,  Soo-In Lee ,  Sang-Won Son ,  You-Seok Lee ,  Hyoung-Nam Kim

IPC: H03H7/30

CPC classification number: H04L25/03159 ,  H04L25/0212

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US20110292810A1

公开(公告)日：2011-12-01

申请号：US13115238

申请日：2011-05-25

Applicant: You-Seok LEE ,  Sung-Ik PARK ,  Jae-Hyun SEO ,  Heung-Mook KIM

Inventor： You-Seok LEE ,  Sung-Ik PARK ,  Jae-Hyun SEO ,  Heung-Mook KIM

IPC: H04W4/00 ,  H04W24/00

CPC classification number: H04W52/225 ,  H04W4/06

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US07974335B2

公开(公告)日：2011-07-05

申请号：US12089657

申请日：2005-12-26

Applicant: Sung-Ik Park ,  Seung-Won Kim ,  Soo-In Lee ,  Hyoung-Nam Kim ,  You-Seok Lee

Inventor： Sung-Ik Park ,  Seung-Won Kim ,  Soo-In Lee ,  Hyoung-Nam Kim ,  You-Seok Lee

IPC: H03H7/30 ,  H03H7/40 ,  H03K5/159

CPC classification number: H04L25/03057 ,  H04B3/04 ,  H04L25/0212 ,  H04L2025/0349 ,  H04L2025/03617

Abstract: A decision feedback equalization apparatus includes a channel estimation unit estimating a channel on received signal based on the received signal and a training sequence; a channel matched filter maximizing SNR from the channel estimated by the channel estimation unit changing channel characteristics of the received signal; a noncausal filter approximating the changed channel; an equalizer input signal storage unit storing received symbols passed through the channel matched and the noncausal filters; a channel equalization unit performing a decision feedback equalization; a Trellis decoder detecting symbol from a channel-equalized signal; a mode selection unit selecting a specific mode; an error signal calculator comparing an output signal of the selected mode with an output signal of the channel equalization unit to calculate an error signal; and a tap coefficient updater updating tap coefficients to the channel equalization unit, an output signal from the storage unit, and an output signal from the Trellis decoder.

Abstract translation: 判定反馈均衡装置包括：信道估计单元，基于接收信号和训练序列估计接收信号上的信道; 信道匹配滤波器，使由信道估计单元所估计的信道的信噪比最大化，改变接收信号的信道特性; 近似改变的信道的非因果滤波器; 均衡器输入信号存储单元，存储通过所述通道匹配的接收符号和非因果滤波器; 执行判决反馈均衡的信道均衡单元; 网格解码器从信道均衡信号检测符号; 选择特定模式的模式选择单元; 误差信号计算器，将所选择的模式的输出信号与所述信道均衡单元的输出信号进行比较，以计算误差信号; 抽头系数更新器更新抽头系数到信道均衡单元，来自存储单元的输出信号和来自网格解码器的输出信号。

公开(公告)号：US20100074320A1

公开(公告)日：2010-03-25

申请号：US12089657

申请日：2005-12-26

Applicant: Sung-Ik Park ,  Seung-Won Kim ,  Soo-In Lee ,  Hyoung-Nam Kim ,  You-Seok Lee

Inventor： Sung-Ik Park ,  Seung-Won Kim ,  Soo-In Lee ,  Hyoung-Nam Kim ,  You-Seok Lee

IPC: H04L27/01

CPC classification number: H04L25/03057 ,  H04B3/04 ,  H04L25/0212 ,  H04L2025/0349 ,  H04L2025/03617

Abstract: Provided is a decision feedback equalization apparatus including a channel estimation unit for estimating a channel on received signal based on the received signal and a training sequence; a channel matched filter for maximizing SNR from the channel estimated by the channel estimation unit to change channel characteristic of the received signal; a noncausal filter for approximating the channel changed by the channel matched filter from nonminimum phase channel to minimum phase channel; an equalizer input signal storage unit for storing received symbols passed through the channel matched filter and the noncausal filter; a channel equalization unit for performing a decision feedback equalization through filtering of a signal passed through the channel matched filter and the noncausal filter; a Trellis decoder for detecting symbol from a signal channel-equalized by the channel equalization unit; a mode selection unit for selecting a specific mode; an error signal calculator for comparing an output signal of the mode selected by the mode selection unit with an output signal of the channel equalization unit to calculate an error signal; and a tap coefficient updater for updating tap coefficients to the channel equalization unit by using the error signal from the error signal calculator, an output signal from the storage unit, and an output signal from the Trellis decoder.

Abstract translation: 提供了一种判决反馈均衡装置，包括：信道估计单元，用于基于接收信号和训练序列估计接收信号上的信道; 信道匹配滤波器，用于使来自由信道估计单元估计的信道的SNR最大化，以改变接收信号的信道特性; 用于近似由信道匹配滤波器从非最小相位信道改变到最小相位信道的信道的非因果滤波器; 均衡器输入信号存储单元，用于存储通过信道匹配滤波器和非因果滤波器的接收符号; 信道均衡单元，用于通过对通过信道匹配滤波器和非因果滤波器的信号进行滤波来执行判决反馈均衡; 用于从信道均衡单元均衡的信道中检测符号的网格解码器; 模式选择单元，用于选择特定模式; 误差信号计算器，用于将由模式选择单元选择的模式的输出信号与信道均衡单元的输出信号进行比较，以计算误差信号; 以及抽头系数更新器，用于通过使用来自误差信号计算器的误差信号，来自存储单元的输出信号和来自网格解码器的输出信号来更新抽头系数到信道均衡单元。

公开(公告)号：US20130114767A1

公开(公告)日：2013-05-09

申请号：US13620787

申请日：2012-09-15

Applicant: You Seok LEE ,  Jae Hyun SEO ,  Heung Mook KIM ,  Nam Ho HUR

Inventor： You Seok LEE ,  Jae Hyun SEO ,  Heung Mook KIM ,  Nam Ho HUR

IPC: H03D1/04

CPC classification number: H04L25/0212

Abstract: An apparatus and method for calculating a correlation value using a first channel impulse response estimated from a received signal, determining a weight value based on the correlation value, applying the weight value to the first channel impulse response, and estimating a second channel impulse response is provided.

Abstract translation: 一种用于使用从接收信号估计的第一信道脉冲响应来计算相关值的装置和方法，基于相关值确定权重值，将加权值应用于第一信道脉冲响应，以及估计第二信道脉冲响应是 提供。

公开(公告)号：US20090220035A1

公开(公告)日：2009-09-03

申请号：US12088040

申请日：2005-12-26

Applicant: Sung-Ik Park ,  Seung-Won Kim ,  Soo-In Lee ,  Sang-Won Son ,  You-Seok Lee ,  Hyoung-Nam Kim

Inventor： Sung-Ik Park ,  Seung-Won Kim ,  Soo-In Lee ,  Sang-Won Son ,  You-Seok Lee ,  Hyoung-Nam Kim

IPC: H04L27/01

CPC classification number: H04L25/03159 ,  H04L25/0212

Abstract: 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 non-causal 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.

Abstract translation: 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 满足非因果滤波所需条件的特征，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，用于计算由非因果变换的信道的反向的反向信道计算单元 滤波器，以及频域均衡单元，用于通过使用由反向信道计算单元获得的反向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。