公开(公告)号：EP1661400A1

公开(公告)日：2006-05-31

申请号：EP03781075.1

申请日：2003-12-30

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： JEONG, Young-Ho ,  LEE, Hyun ,  LEE, Bong-Ho ,  PARK, So-Ra ,  HAHM, Young-Kwon ,  LEE, Soo-In

IPC: H04N7/173

CPC classification number: H04N5/38 ,  H04H20/71 ,  H04H20/95 ,  H04H60/02 ,  H04H60/07 ,  H04N21/234318 ,  H04N21/235 ,  H04N21/2368 ,  H04N21/2402 ,  H04N21/41407 ,  H04N21/4341 ,  H04N21/435 ,  H04N21/6131 ,  H04N21/8451

Abstract: Provided is a digital multimedia broadcasting (DMB) system that can provide a multimedia data broadcasting service having an excellent reception quality, a method thereof, and a computer-readable recording medium for recording a program that implements the method. The DMB system includes an encoding unit for encoding an inputted audio/video signal; a synchronizing unit for synchronizing media stream, additional data, interactive service objectifying data that are outputted from the encoding unit; a multiplexing unit for multiplexing the media stream outputted from the synchronizing unit; an error correction encoding unit for performing additional error correction encoding on the media stream outputted from the multiplexing unit; an interleaving unit for removing temporal correlation between adjacent byte units within a data stream outputted from the error correction encoding unit; and a transmitting unit for transmitting a DMB media stream outputted from the interleaving unit to the conventional DAB system and other digital broadcasting systems.

公开(公告)号：EP2375752A2

公开(公告)日：2011-10-12

申请号：EP09832105.2

申请日：2009-12-08

Applicant: Electronics and Telecommunications Research Institute

Inventor： BANG, Gun ,  UM, Gi-Mun ,  KIM, Taeone ,  CHANG, Eun-Young ,  HUR, Namho ,  KIM, Jin-Woong ,  LEE, Soo-In

IPC: H04N7/50

CPC classification number: H04N19/46 ,  H04N19/52 ,  H04N19/597

Abstract: Provided is a multi-view video coding/decoding method and apparatus which uses coded and decoded multi-view videos to code and decode depth information videos corresponding to the multi-view videos. The multi-view video coding method includes: controlling the scales of first and second depth information videos corresponding to a multi-view video such that the scales are equalized; and coding the second depth information video, of which the scale is controlled, by referring to the first depth information video of which the scale is controlled.

公开(公告)号：EP2359597A2

公开(公告)日：2011-08-24

申请号：EP09827655.3

申请日：2009-07-21

Applicant: Electronics and Telecommunications Research Institute

Inventor： LIM, Hyoungsoo ,  LEE, Jae-Young ,  KIM, Heung-Mook ,  LEE, Soo-In

IPC: H04N7/173

CPC classification number: H04W24/02 ,  H04B7/0417 ,  H04N21/6112 ,  H04W24/08 ,  H04W52/322 ,  H04W72/005

Abstract: Disclosed is an apparatus and method for providing a broadcasting service in a single frequency broadcasting network, and a system thereof. The apparatus for receiving broadcasting signals includes an RF receiver configured to receive an RF broadcasting signal having identification information to identify a broadcasting signal transmitter and down-convert the received RF broadcasting signal; a reception characteristic measurer configured to measure reception characteristics of the RF broadcasting signal based on the identification information and generate reception characteristic information; and a reception characteristic transmitter configured to transmit the reception characteristic information to a broadcasting system.

公开(公告)号：EP2299704A2

公开(公告)日：2011-03-23

申请号：EP09755053.7

申请日：2009-05-29

Applicant: Electronics and Telecommunications Research Institute

Inventor： PARK, Sung-Ik ,  LIM, Hyoungsoo ,  KIM, Heung-Mook ,  LEE, Soo-In

IPC: H04N7/08

Abstract: A method and apparatus for transmitting/receiving broadcasting-communication data is provided. The apparatus includes: 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.

Abstract translation: 本发明提供一种用于发送/接收广播通信数据的方法和装置。 该装置包括：被配置为接收所述原始数据，并产生基带原信号的原信号发生器; 配置成接收所述基带附加信号，并产生一个预定的磁带的原始信号的第一调制器; 以被配置成接收所述附加数据，并生成基带信号的附加附加信号发生器; 配置成接收所述基带附加信号，并产生一个预定的磁带的附加信号的第二调制器; 在被配置为将预定的磁带的附加信号的平均功率的控制平均功率控制器; 在插入器被配置为插入的附加信号预定具有受控平均功率的原始信号绑预定并列，从而产生预定的磁带的混合信号; 和发射器配置为发送所述预定的磁带的混合信号。

公开(公告)号：EP2200331A2

公开(公告)日：2010-06-23

申请号：EP09175743.5

申请日：2009-11-12

Applicant: Electronics and Telecommunications Research Institute

Inventor： LEE, Bong-Ho ,  YUN, Kug-Jin ,  LEE, Hyun ,  LEE, Gwang-Soon ,  HUR, Nam-Ho ,  KIM, Jin-Woong ,  LEE, Soo-In

IPC: H04N13/00 ,  H04N5/00 ,  H04N5/76 ,  H04N5/91 ,  H04N7/173 ,  H04N7/26 ,  H04N7/58 ,  H04N7/60

CPC classification number: H04N21/435 ,  H04H20/30 ,  H04H20/40 ,  H04H60/07 ,  H04N13/10 ,  H04N13/172 ,  H04N13/194 ,  H04N19/37 ,  H04N19/46 ,  H04N19/597 ,  H04N19/61 ,  H04N21/21 ,  H04N21/23 ,  H04N21/234327 ,  H04N21/235 ,  H04N21/236 ,  H04N21/23614 ,  H04N21/2365 ,  H04N21/434 ,  H04N21/4347 ,  H04N21/816

Abstract: A broadcasting transmission/reception apparatus and method for transmitting three-dimensional (3D) auxiliary video and non-realtime service information table in non-realtime is provided. The broadcasting transmission apparatus includes: a non-realtime broadcasting server configured to generate three-dimensional (3D) auxiliary video stream for 3D auxiliary video and non-realtime service information table data stream for a non-realtime service information table data including information needed to receive and restore the 3D auxiliary video before a time point when a 3D stereoscopic broadcasting service is provided; a media coder configured to generate two-dimensional (2D) video stream for 2D video at a predetermined bit rate based on a bit rate of the 3D auxiliary video stream; and a multiplexer configured to multiplex the 2D video stream, the 3D auxiliary video stream, and the non-realtime service information table data stream on a predetermined sub-channel.

Abstract translation: 提供了用于以非实时的方式发送三维（3D）辅助视频和非实时服务信息表的广播发送/接收装置和方法。 广播发送装置包括：非实时广播服务器，被配置为生成用于3D辅助视频的三维（3D）辅助视频流和用于非实时业务信息表数据的非实时业务信息表数据流，所述非实时业务信息表数据包括 在提供3D立体广播服务的时间点之前接收和恢复3D辅助视频; 媒体编码器，其被配置为基于所述3D辅助视频流的比特率，以预定比特率生成用于2D视频的二维（2D）视频流; 以及多路复用器，被配置为在预定子信道上复用2D视频流，3D辅助视频流和非实时业务信息表数据流。

公开(公告)号：EP2188915A1

公开(公告)日：2010-05-26

申请号：EP08753331.1

申请日：2008-05-06

Applicant: Electronics and Telecommunications Research Institute

Inventor： PARK, Sung-Ik ,  KIM, Heung-Mook ,  PARK, So-Ra ,  LEE, Yong-Tae ,  LIM, Jong-Soo ,  LEE, Soo-In

IPC: H04B7/26

CPC classification number: H04L25/0212 ,  H04B7/155 ,  H04L25/022 ,  H04L25/0224 ,  H04L25/0228 ,  H04L25/0246

Abstract: Provided is an apparatus and method for estimating inverse channel of a repeater's receiving channel, which ensures stability and causality by generating a time-domain filter coefficient having information on an inverse channel of repeater's receiving channel from a signal transmitted from a main transmitter or another repeater. The apparatus includes: a channel estimator for estimating a channel established by a transmission path from a received signal; an inverse minimum phase filter coefficient generator for generating inverse channel of a minimum phase channel from the estimated channel, and converting the inverse channel of the minimum phase channel into a time-domain filter coefficient; an inverse group delay filter coefficient generator for generating a time-domain filter coefficient by using the estimated channel and the minimum phase channel; and a combiner for generating an inverse channel of a receiving channel in a time domain by combining the filter coefficient and the filter coefficient.

公开(公告)号：EP2158767A1

公开(公告)日：2010-03-03

申请号：EP08765953.8

申请日：2008-05-28

Applicant: Electronics and Telecommunications Research Institute

Inventor： YUN, Kug-Jin ,  LEE, Hyun ,  HUR, Namho ,  KIM, Jin-Woong ,  LEE, Soo-In

IPC: H04N13/00

CPC classification number: H04N13/178 ,  H04N13/161 ,  H04N13/194

Abstract: Provided is an object description and multiplexing method which provides an object descriptor of a new structure and a multiplexing method for a 3D still image service based on DMB, such as 3D still image advertisement service, and provides 3D a user with still image service through interaction with the user at a specific time or specific video scene while maintaining compatibility with conventional DMB services, and a decoding apparatus and method using the object description and multiplexing method. The method for describing an object to provide a 3D still image service based on DMB, which includes: deciding a broadcasting type of a still image service to be broadcasted between two-dimensional broadcasting and 3D broadcasting based on a program information descriptor in a program map table; and describing reference still image and additional still image that are transmitted separately for the 3D still image service with relation to each other.

公开(公告)号：EP2153645A1

公开(公告)日：2010-02-17

申请号：EP08753313.9

申请日：2008-05-02

Applicant: Electronics and Telecommunications Research Institute

Inventor： KIM, Kwang-Yong ,  LEE, Gwang-Soon ,  YUN, Joungil ,  KIM, Young-Su ,  YANG, Kyu-Tae ,  BAE, Jae-Hwui ,  CHOI, Seomee ,  KIM, Ju-Yeun ,  SEO, Jae-Hyun ,  LIM, Jong-Soo ,  LEE, Soo-In

IPC: H04N7/015

CPC classification number: H04N21/23614 ,  H04H2201/11 ,  H04N21/23412 ,  H04N21/234318 ,  H04N21/234327 ,  H04N21/235 ,  H04N21/2362 ,  H04N21/2368 ,  H04N21/2383 ,  H04N21/2389 ,  H04N21/242 ,  H04N21/2662 ,  H04N21/4307 ,  H04N21/4341 ,  H04N21/4345 ,  H04N21/4348 ,  H04N21/435 ,  H04N21/4385 ,  H04N21/44012 ,  H04N21/44029 ,  H04N21/44222 ,  H04N21/64792

Abstract: A transmission device and receiving device for providing high-quality multimedia services in a digital multimedia broadcasting (DMB) transmission system is provided. The transmission device separates input multimedia contents into a base layer elementary stream and an enhancement layer elementary stream, encodes the base layer elementary stream and the enhancement layer elementary stream, transforms the base layer elementary stream and the enhancement layer elementary stream into a base layer SL packet and an enhancement layer SL packet, transforms the base layer SL packet and the enhancement layer SL packet into a base layer PES packet and an enhancement layer PES packet, and multiplexes the base layer PES packet and the enhancement layer PES packet according to a base layer elementary stream and an enhancement layer elementary stream and outputs a base layer TS packet and an enhancement layer TS packet.

公开(公告)号：EP2100450A1

公开(公告)日：2009-09-16

申请号：EP07851295.1

申请日：2007-12-06

Applicant: Electronics and Telecommunications Research Institute

Inventor： KIM, Ju-Yeun ,  BAE, Jae-Hwui ,  PARK, So-Ra ,  LIM, Hyoungsoo ,  KIM, Yang-Su ,  KIM, Young-Su ,  CHOI, Seomee ,  SEO, Jae-Hyun ,  KIM, Heung-Mook ,  LIM, Jong-Soo ,  LEE, Soo-In ,  AHN, Chieteuk ,  EUM, Nak-Woong

IPC: H04N7/12

CPC classification number: H03M13/1515 ,  H03M13/1102 ,  H03M13/152 ,  H03M13/23 ,  H03M13/2732 ,  H03M13/2957 ,  H03M13/6368 ,  H04H20/28 ,  H04H20/44 ,  H04H20/95 ,  H04H40/18 ,  H04L27/183 ,  H04L27/3488 ,  H04L2001/0093 ,  H04N21/2362 ,  H04N21/2368 ,  H04N21/2383 ,  H04N21/2662 ,  H04N21/4382 ,  H04N21/64792

Abstract: Provided is an apparatus and method for a digital multimedia broadcasting (DMB) service. The DMB transmitter includes a base layer transmission processor for encoding base layer stream, an enhancement layer transmission processor for encoding enhancement layer stream, and a hierarchical transmitter for transmitting the base layer stream and the enhancement layer stream by allocating a predetermined bit value through encoding the base layer stream outputted from the base layer transmission processor and the enhancement layer stream outputted from the enhancement layer transmission processor based on gray coding and performing hierarchical symbol mapping.

公开(公告)号：EP2080289A1

公开(公告)日：2009-07-22

申请号：EP07833325.9

申请日：2007-10-12

Applicant: Electronics and Telecommunications Research Institute

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

IPC: H04B7/14

CPC classification number: H04H20/06 ,  H04B1/707 ,  H04B7/15528 ,  H04H20/12 ,  H04H60/41

Abstract: 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.