公开(公告)号：EP2156572A1

公开(公告)日：2010-02-24

申请号：EP07833951.2

申请日：2007-11-09

Applicant: Electronics and Telecommunications Research Institute

Inventor： PARK, Sung-Ik ,  KIM, Heung-Mook ,  SEO, Jae-Hyun ,  EUM, Ho-Min ,  LEE, Jae-Young ,  LEE, Yong-Tae ,  LIM, Jong-Soo ,  LEE, Soo-In

IPC: H04B7/14

CPC classification number: H04B7/15585

Abstract: Provided are an on- channel repeater and an on- channel repeating method. The on-channel repeater includes : a receiving means for receiving a Radio Frequency (RF) signal; a subtracting means for subtracting a replica of feedback signals from the signal received by the receiving means; a replica generating means for calculating the replica based on the signal acquired from the subtraction in the subtracting means and feeding back the replica to the subtracting means; an inverse channel estimating means for estimating inverse of a reception channel based on the signal acquired from the subtraction in the subtracting means and generating filter tab coefficients; a first adaptive filtering means for compensating for channel distortion of the signal subtracted by the subtracting means based on the filter tab coefficients generated in the inverse channel estimating means; and a transmitting means for converting a signal whose channel distortion is compensated by the first adaptive filtering means into an RF signal and performing radio transmission.

Abstract translation: 提供了同频转发器和同频重复方法。 同频转发器包括：接收装置，用于接收射频（RF）信号; 减法装置，用于从由接收装置接收的信号中减去反馈信号的复制品; 复制品生成装置，用于基于在减法装置中从减法获得的信号计算复制品，并将复制品反馈给减法装置; 逆信道估计装置，用于根据减法装置中的减法获得的信号估计接收信道的倒数，并产生滤波器标签系数; 第一自适应滤波装置，用于基于在反向信道估计装置中产生的滤波器标签系数来补偿由减法装置减去的信号的信道失真; 以及发射装置，用于将其信道失真由第一自适应滤波装置补偿的信号转换为RF信号并执行无线电发射。

公开(公告)号：EP4236118A3

公开(公告)日：2023-10-18

申请号：EP23171563.2

申请日：2016-03-08

Applicant: Electronics and Telecommunications Research Institute

Inventor： LEE, Jae-Young ,  PARK, Sung-Ik ,  KWON, Sun-Hyoung ,  KIM, Heung-Mook

IPC: H04L1/00 ,  H04L27/26

Abstract: An apparatus and method for broadcast signal frame using layered division multiplexing are disclosed. An apparatus for generating broadcast signal frame according to an embodiment of the present invention includes a combiner configured to generate a multiplexed signal by combining a core layer signal and an enhanced layer signal at different power levels; a power normalizer configured to reduce the power of the multiplexed signal to a power level corresponding to the core layer signal; a time interleaver configured to generate a time-interleaved signal by performing interleaving that is applied to both the core layer signal and the enhanced layer signal; and a frame builder configured to generate a broadcast signal frame including a preamble for signaling, size information of Physical Layer Pipes (PLPs) and time interleaver information shared by the core layer signal and the enhanced layer signal.

公开(公告)号：EP3169030B1

公开(公告)日：2019-08-28

申请号：EP15819092.6

申请日：2015-07-03

Applicant: Electronics and Telecommunications Research Institute ,  R&DB Foundation, Korea Maritime and Ocean University

Inventor： PARK, Sung-Ik ,  KWON, Sun-Hyoung ,  KIM, Jeong-Chang ,  LEE, Jae-Young ,  KIM, Heung-Mook ,  HUR, Nam-Ho

IPC: H04L27/26 ,  H04H20/42 ,  H04J11/00 ,  H04L27/34

公开(公告)号：EP3267644A1

公开(公告)日：2018-01-10

申请号：EP16761897.4

申请日：2016-02-11

Applicant: Electronics and Telecommunications Research Institute

Inventor： LEE, Jae-Young ,  PARK, Sung-Ik ,  LIM, Bo-Mi ,  KWON, Sun-Hyoung ,  KIM, Heung-Mook

IPC: H04L27/26 ,  H04L1/00

CPC classification number: H04W4/06 ,  H04J11/00 ,  H04J2011/0013 ,  H04L1/0058 ,  H04L1/0071 ,  H04L1/0083 ,  H04L12/184 ,  H04L27/26 ,  H04L27/2605 ,  H04L2001/0093 ,  Y02D70/168

Abstract: An apparatus and method for broadcast signal frame using layered division multiplexing are disclosed. An apparatus for generating broadcast signal frame according to an embodiment of the present invention includes a combiner configured to generate a multiplexed signal by combining a core layer signal and an enhanced layer signal at different power levels; a power normalizer configured to reduce the power of the multiplexed signal to a power level corresponding to the core layer signal; a time interleaver configured to generate a time-interleaved signal by performing interleaving that is applied to both the core layer signal and the enhanced layer signal; and a frame builder configured to generate a broadcast signal frame including a preamble for signaling, start position information of Physical Layer Pipes (PLPs) and time interleaver information shared by the core layer signal and the enhanced layer signal.

Abstract translation: 公开了一种使用分层分割复用的广播信号帧的设备和方法。 根据本发明实施例的用于生成广播信号帧的设备包括：组合器，被配置为通过组合不同功率级的核心层信号和增强层信号来生成复用信号; 功率规范器，被配置为将所述多路复用信号的功率降低到与所述核心层信号相对应的功率电平; 时间交织器，被配置为通过执行交织来生成时间交织信号，所述交织被应用于所述核心层信号和所述增强层信号; 以及帧生成器，被配置为生成广播信号帧，所述广播信号帧包括用于信令的前导码，由所述核心层信号和所述增强层信号共享的物理层管道（PLP）的开始位置信息和时间交织器信息。

公开(公告)号：EP3169030A1

公开(公告)日：2017-05-17

申请号：EP15819092.6

申请日：2015-07-03

Applicant: Electronics and Telecommunications Research Institute ,  R&D Foundation, Korea Maritime and Ocean University

Inventor： PARK, Sung-Ik ,  KWON, Sun-Hyoung ,  KIM, Jeong-Chang ,  LEE, Jae-Young ,  KIM, Heung-Mook ,  HUR, Nam-Ho

IPC: H04L27/26

CPC classification number: H04H20/423 ,  H04H20/42 ,  H04J11/004 ,  H04L1/00 ,  H04L1/0071 ,  H04L27/26 ,  H04L27/2613 ,  H04L27/3488 ,  H04L69/323 ,  Y02D70/00 ,  Y02D70/168

Abstract: A broadcast signal transmission apparatus and method using layered division multiplexing are disclosed. A broadcast signal transmission apparatus according to an embodiment of the present invention includes a combiner configured to generate a multiplexed signal by combining a core layer signal and an enhanced layer signal at different power levels; a power normalizer configured to reduce the power of the multiplexed signal to a power level corresponding to the core layer signal; a time interleaver configured to generate a time-interleaved signal by performing interleaving that is applied to both the core layer signal and the enhanced layer signal; a frame builder configured to generate a broadcast signal frame using the time-interleaved signal; and an orthogonal frequency division multiplexing (OFDM) transmitter configured to generate a pilot signal that is shared by a core layer corresponding to the core layer signal and an enhanced layer corresponding to the enhanced layer signal.

Abstract translation: 使用分层分复用的广播信号传输装置和方法，光盘游离缺失。 广播信号发送装置gemäß到对本发明的实施例包括配置为通过组合芯层信号并且在不同的功率水平增强层信号，以产生一个多路复用信号的组合器; 配置为减少所述复用信号到一个功率电平对应于所述芯层的信号的功率的功率归一化器; 被配置成生成通过执行交织时间交错信号的时间交织器也被施加到两个核心层信号和增强层信号; 被配置为使用时间交织的信号，以产生一个广播信号帧的帧助洗剂; 和正交频分复用（OFDM）发送器被配置为生成的导频信号也由核心层对应于所述芯层信号并且在对应于所述增强层信号增强层共享。

公开(公告)号：EP2174430A1

公开(公告)日：2010-04-14

申请号：EP07833957.9

申请日：2007-11-09

Applicant: Electronics and Telecommunications Research Institute

Inventor： PARK, Sung-Ik ,  KIM, Heung-Mook ,  EUM, Ho-Min ,  SEO, Jae-Hyun ,  LEE, Jae-Young ,  LEE, Yong-Tae ,  LIM, Jong-Soo ,  LEE, Soo-In

IPC: H04B7/14

CPC classification number: H04B7/15585 ,  H04B1/525

Abstract: Provided are an on-channel repeater and method for increasing output of the on-channel repeater by removing feedback 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- convert ing 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.

公开(公告)号：EP4546674A2

公开(公告)日：2025-04-30

申请号：EP25158568.3

申请日：2015-02-25

Applicant: Electronics and Telecommunications Research Institute

Inventor： PARK, Sung-Ik ,  LEE, Jae-Young ,  KWON, Sun-Hyoung ,  KIM, Heung-Mook ,  HUR, Nam-Ho

IPC: H04J11/00

Abstract: An apparatus and method for multiplexing signals using layered division multiplexing are disclosed. A signal multiplexing apparatus according to an embodiment of the present invention includes a combiner configured to combine a core layer signal and an enhanced layer signal at different power levels to generate a multiplexed signal, a power normalizer configured to reduce power of the multiplexed signal to power corresponding to the core layer signal, and a time interleaver configured to perform interleaving applied to both the core layer signal and the enhanced layer signal.

公开(公告)号：EP4307630A3

公开(公告)日：2024-02-21

申请号：EP23207609.1

申请日：2015-07-03

Applicant: Electronics and Telecommunications Research Institute

Inventor： PARK, Sung-lk ,  KWON, Sun-Hyoung ,  KIM, Jeong-Chang ,  LEE, Jae-Young ,  KIM, Heung-Mook ,  HUR, Nam-Ho

IPC: H04H20/42 ,  H04J11/00 ,  H04L1/00 ,  H04L27/26 ,  H04L27/34

Abstract: A broadcast signal transmission apparatus and method using layered division multiplexing are disclosed. A broadcast signal transmission apparatus according to an embodiment of the present invention includes a combiner configured to generate a multiplexed signal by combining a core layer signal and an enhanced layer signal at different power levels; a power normalizer configured to reduce the power of the multiplexed signal to a power level corresponding to the core layer signal; a time interleaver configured to generate a time-interleaved signal by performing interleaving that is applied to both the core layer signal and the enhanced layer signal; a frame builder configured to generate a broadcast signal frame using the time-interleaved signal; and an orthogonal frequency division multiplexing (OFDM) transmitter configured to generate a pilot signal that is shared by a core layer corresponding to the core layer signal and an enhanced layer corresponding to the enhanced layer signal.

公开(公告)号：EP4236118A2

公开(公告)日：2023-08-30

申请号：EP23171563.2

申请日：2016-03-08

Applicant: Electronics and Telecommunications Research Institute

Inventor： LEE, Jae-Young ,  PARK, Sung-Ik ,  KWON, Sun-Hyoung ,  KIM, Heung-Mook

IPC: H04H20/42

Abstract: An apparatus and method for broadcast signal frame using layered division multiplexing are disclosed. An apparatus for generating broadcast signal frame according to an embodiment of the present invention includes a combiner configured to generate a multiplexed signal by combining a core layer signal and an enhanced layer signal at different power levels; a power normalizer configured to reduce the power of the multiplexed signal to a power level corresponding to the core layer signal; a time interleaver configured to generate a time-interleaved signal by performing interleaving that is applied to both the core layer signal and the enhanced layer signal; and a frame builder configured to generate a broadcast signal frame including a preamble for signaling, size information of Physical Layer Pipes (PLPs) and time interleaver information shared by the core layer signal and the enhanced layer signal.

公开(公告)号：EP4161064A1

公开(公告)日：2023-04-05

申请号：EP22203884.6

申请日：2015-07-02

Applicant: Electronics and Telecommunications Research Institute

Inventor： KWON, Sun-Hyoung ,  PARK, Sung-Ik ,  LEE, Jae-Young

IPC: H04N7/08 ,  H04L1/00 ,  H04W4/06

Abstract: A signal multiplexing apparatus and method using layered division multiplexing are disclosed. A signal multiplexing apparatus according to an embodiment of the present invention includes a combiner configured to generate a multiplexed signal by combining a core layer signal and an enhanced layer signal at different power levels; a power normalizer configured to reduce the power of the multiplexed signal to a power level corresponding to the core layer signal; a time interleaver configured to generate a time-interleaved signal by performing interleaving that is applied to both the core layer signal and the enhanced layer signal; and a frame builder configured to generate a broadcast signal frame using the time-interleaved signal and L1 signaling information.