公开(公告)号：WO2010019018A3

公开(公告)日：2011-04-07

申请号：PCT/KR2009004567

申请日：2009-08-14

Applicant: KOREA ELECTRONICS TELECOMM ,  LIM JONG SOO ,  LEE JI BONG ,  YUN JOUNGIL ,  BAE BYUNGJUN ,  KIM KWANG-YONG ,  YANG KYU TAE ,  CHOI SEOMEE ,  KIM YOUNG SU ,  BAE JAE HWUI ,  LEE SOO IN ,  HWANG SEUNGKU ,  AHN CHIETEUK ,  KOO BON TAE ,  KIM JIN KYU ,  KIM HYUK ,  LEE GWANG SOON

Inventor： LIM JONG SOO ,  LEE JI BONG ,  YUN JOUNGIL ,  BAE BYUNGJUN ,  KIM KWANG-YONG ,  YANG KYU TAE ,  CHOI SEOMEE ,  KIM YOUNG SU ,  BAE JAE HWUI ,  LEE SOO IN ,  HWANG SEUNGKU ,  AHN CHIETEUK ,  KOO BON TAE ,  KIM JIN KYU ,  KIM HYUK ,  LEE GWANG SOON

IPC: H04N7/015 ,  H04N7/24

CPC classification number: H04N21/631 ,  H03M13/35 ,  H04N21/2383 ,  H04N21/4382 ,  H04N21/64792

Abstract: An apparatus for transmitting digital multimedia broadcasting includes: a base layer processor that outputs a base layer stream; an enhancement layer processor that outputs an enhancement layer stream; and a transmitter that modulates the enhancement layer stream based on one of a first and second hierarchical modulation modes using different modulation schemes and maps a symbol of the modulated enhancement layer stream based on a symbol position of the base layer stream to generate a transmission frame.

Abstract translation: 一种用于发送数字多媒体广播的装置包括：基本层处理器，其输出基本层流; 输出增强层流的增强层处理器; 以及发射机，其基于使用不同调制方案的第一和第二分层调制模式之一来调制增强层流，并且基于所述基本层流的符号位置映射所述经调制的增强层流的符号以生成传输帧。

公开(公告)号：WO2010002166A3

公开(公告)日：2011-03-31

申请号：PCT/KR2009003529

申请日：2009-06-30

Applicant: KOREA ELECTRONICS TELECOMM ,  LIM JONG SOO ,  KIM YOUNG SU ,  YANG KYU TAE ,  BAE JAE HWUI ,  BAE BYUNGJUN ,  KIM KWANG-YONG ,  YUN JOUNGIL ,  CHOI SEOMEE ,  LEE JI BONG ,  LEE SOO IN ,  HWANG SEUNGKU ,  AHN CHIETEUK

Inventor： LIM JONG SOO ,  KIM YOUNG SU ,  YANG KYU TAE ,  BAE JAE HWUI ,  BAE BYUNGJUN ,  KIM KWANG-YONG ,  YUN JOUNGIL ,  CHOI SEOMEE ,  LEE JI BONG ,  LEE SOO IN ,  HWANG SEUNGKU ,  AHN CHIETEUK

IPC: H04B7/005 ,  H04H20/44 ,  H04H20/65 ,  H04H20/86

CPC classification number: H04L25/0228 ,  H04L1/0056 ,  H04L5/0044 ,  H04L5/0048 ,  H04L25/03292 ,  H04L27/2601 ,  H04L27/2613 ,  H04L2025/03414

Abstract: The present invention provides a digital multimedia broadcasting transmitting apparatus, including: a pilot signal generator that is used in estimating a transmission channel in a receiving apparatus and generates a pilot signal including at least one information a; a subcarrier mapping unit that maps the pilot signal to a subcarrier corresponding thereto; and a modulating unit that modulates an output of the subcarrier mapping unit, wherein the pilot signal has a value for specific information rather than a predetermined value in the receiving apparatus.

Abstract translation: 本发明提供了一种数字多媒体广播发送装置，包括：导频信号发生器，用于估计接收装置中的传输信道，并产生包括至少一个信息a的导频信号; 子载波映射单元，其将导频信号映射到与其对应的子载波; 以及调制单元，其对所述子载波映射单元的输出进行调制，其中，所述导频信号在所述接收装置中具有特定信息的值而不是预定值。

公开(公告)号：WO2009157717A3

公开(公告)日：2010-12-29

申请号：PCT/KR2009003411

申请日：2009-06-24

Applicant: KOREA ELECTRONICS TELECOMM ,  LIM JONG SOO ,  KIM YOUNG SU ,  YANG KYU TAE ,  BAE JAE HWUI ,  BAE BYUNGJUN ,  KIM KWANG-YONG ,  YUN JOUNGIL ,  CHOI SEOMEE ,  LEE GWANG SOON ,  LEE JI BONG ,  SONG YUN JEONG ,  LEE SOO IN ,  HWANG SEUNGKU ,  AHN CHIETEUK ,  HUR NAMHO

Inventor： LIM JONG SOO ,  KIM YOUNG SU ,  YANG KYU TAE ,  BAE JAE HWUI ,  BAE BYUNGJUN ,  KIM KWANG-YONG ,  YUN JOUNGIL ,  CHOI SEOMEE ,  LEE GWANG SOON ,  LEE JI BONG ,  SONG YUN JEONG ,  LEE SOO IN ,  HWANG SEUNGKU ,  AHN CHIETEUK ,  HUR NAMHO

IPC: H04N7/173 ,  H04B1/707 ,  H04N7/015

CPC classification number: H04H60/07 ,  H04B2201/70701 ,  H04B2201/70703 ,  H04H20/46 ,  H04H20/72 ,  H04H2201/11 ,  H04J13/18

Abstract: A digital multimedia broadcasting transmitting apparatus includes: a variable spreader (120) that spreads a pilot signal to a frequency domain and outputs a signal having a format where the pilot signal is partially inserted to the entire subcarriers; a modulator (130) that modulates the output of the variable spreader (120); and an antenna (140) that transmits the signal modulated by the modulator (130).

Abstract translation: 数字多媒体广播发送装置包括：可变扩展器（120），其将导频信号扩频到频域，并将具有导频信号部分插入的格式的信号输出到整个副载波; 调制器（130），其对所述可变扩展器（120）的输出进行调制; 以及发射由调制器（130）调制的信号的天线（140）。

公开(公告)号：EP2316225A4

公开(公告)日：2012-02-22

申请号：EP09806880

申请日：2009-08-14

Applicant: KOREA ELECTRONICS TELECOMM

Inventor： LIM JONG SOO ,  LEE JI BONG ,  YUN JOUNGIL ,  BAE BYUNGJUN ,  KIM KWANG-YONG ,  YANG KYU TAE ,  CHOI SEOMEE ,  KIM YOUNG SU ,  BAE JAE HWUI ,  LEE SOO IN ,  HWANG SEUNGKU ,  AHN CHIETEUK ,  KOO BON TAE ,  KIM JIN KYU ,  KIM HYUK ,  LEE GWANG SOON

IPC: H04N21/2383 ,  H03M13/35 ,  H04N7/24 ,  H04N21/438 ,  H04N21/63 ,  H04N21/647

CPC classification number: H04N21/631 ,  H03M13/35 ,  H04N21/2383 ,  H04N21/4382 ,  H04N21/64792

Abstract: An apparatus for transmitting digital multimedia broadcasting includes: a base layer processor that outputs a base layer stream; an enhancement layer processor that outputs an enhancement layer stream; and a transmitter that modulates the enhancement layer stream based on one of a first and second hierarchical modulation modes using different modulation schemes and maps a symbol of the modulated enhancement layer stream based on a symbol position of the base layer stream to generate a transmission frame.