公开(公告)号：US20080298295A1

公开(公告)日：2008-12-04

申请号：US10586825

申请日：2004-12-31

申请人： Sung-Ik Park ,  Yong-Tae Lee ,  Ho-Min Eum ,  Heung-Mook Kim ,  Jae-Hyun Seo ,  Seung-Won Kim ,  Soo-In Lee

发明人： Sung-Ik Park ,  Yong-Tae Lee ,  Ho-Min Eum ,  Heung-Mook Kim ,  Jae-Hyun Seo ,  Seung-Won Kim ,  Soo-In Lee

IPC分类号： H04B7/14

CPC分类号： H04N21/6112 ,  H04N5/40

摘要： Provided is a modulating apparatus and method of an on-channel repeater. An object of the present invention is to provide a modulating apparatus of an on-channel repeater for reducing time delay by configuring and up-sampling a baseband signal, filtering the up-sampled baseband signal with an Equi-Ripple (ER) filter or in a window method, and converting the filtered baseband signal into an RF signal. The modulating apparatus includes: a baseband signal configuring unit for configuring a baseband, signal by combining an input field and a segment sync signal; a pilot adding unit for adding a pilot signal to the baseband signal; a filtering unit for filtering the baseband signal with the pilot signal; and an RF up-converting unit for up-converting the filtered signal into an RF signal. The present invention is used to form an on-channel repeating network in a transmitting system including a digital TV broadcasting system.

摘要翻译： 提供了一种频道内中继器的调制装置和方法。 本发明的目的是提供一种通道内中继器的调制装置，用于通过对基带信号进行配置和上采样来减少时间延迟，用等波纹（ER）滤波器对上采样基带信号进行滤波，或者 窗口方法，并将滤波后的基带信号转换为RF信号。 调制装置包括：基带信号配置单元，用于通过组合输入字段和段同步信号来配置基带信号; 导频添加单元，用于向所述基带信号添加导频信号; 滤波单元，用于利用导频信号对基带信号进行滤波; 以及用于将经滤波的信号上变频为RF信号的RF上变频单元。 本发明用于在包括数字电视广播系统的发射系统中形成一个信道上重复网络。

公开(公告)号：US20070224934A1

公开(公告)日：2007-09-27

申请号：US11579789

申请日：2004-12-31

申请人： Jae-Hyun Seo ,  Yong-Tae Lee ,  Heung-Mook Kim ,  Ho-Min Eum ,  Sung-Ik Park ,  Seung-Won Kim ,  Soo-In Lee

发明人： Jae-Hyun Seo ,  Yong-Tae Lee ,  Heung-Mook Kim ,  Ho-Min Eum ,  Sung-Ik Park ,  Seung-Won Kim ,  Soo-In Lee

IPC分类号： H04N7/015

CPC分类号： H04L25/242 ,  H04B7/155 ,  H04L2025/03375 ,  H04N5/211 ,  H04N5/38

摘要： Provided are an on-channel repeater and a method thereof. The repeater receives signals on one channel and distributes the signals on the same channel by converting RF signals from a main transmitter into baseband signals; equalizing them in a high-performance equalizer, adding a repeater identifier to them; modulating the baseband signals with the repeater identifier into RF signals. The repeater includes: a receiver for receiving RF signals; a demodulator for demodulating the RF signals into baseband signals; an equalizer for equalizing the baseband signals; an adder for adding a repeater identifier to the baseband signals; a modulator for modulating the baseband signals with the repeater identifier added in the adder into RF signals; and a transmitter for transmitting the RF signals modulated in the modulator. The technology of the present invention is used to form an on-channel repeating network in an arbitrary transmission system including a digital television broadcasting system.

摘要翻译： 提供一种同频中继器及其方法。 中继器在一个信道上接收信号，并通过将主发射机的射频信号转换为基带信号将信号分配到同一信道上; 在高性能均衡器中均衡，向其中添加中继器标识符; 将具有中继器标识符的基带信号调制成RF信号。 中继器包括：用于接收RF信号的接收机; 用于将RF信号解调为基带信号的解调器; 用于均衡基带信号的均衡器; 加法器，用于将中继器标识符与基带信号相加; 调制器，用加法器中加入的中继器标识符将基带信号调制成RF信号; 以及用于发送在调制器中调制的RF信号的发射机。 本发明的技术用于在包括数字电视广播系统的任意传输系统中形成一个信道上重复网络。

公开(公告)号：US20100325676A1

公开(公告)日：2010-12-23

申请号：US12517867

申请日：2007-12-07

申请人： Sung-Hoon Kim ,  Jong Soo Lim ,  Soo-In Lee ,  Kug-Jin Yun ,  Hyoungsoo Lim ,  Yang-Su Kim

发明人： Sung-Hoon Kim ,  Jong Soo Lim ,  Soo-In Lee ,  Kug-Jin Yun ,  Hyoungsoo Lim ,  Yang-Su Kim

IPC分类号： H04N7/173

CPC分类号： H04N21/2365 ,  H04H20/28 ,  H04H20/40 ,  H04N13/161 ,  H04N13/194 ,  H04N13/361 ,  H04N19/597 ,  H04N21/234 ,  H04N21/234327 ,  H04N21/23614 ,  H04N21/2362 ,  H04N21/238 ,  H04N21/4345 ,  H04N21/440227 ,  H04N21/816

摘要： Provided are a transmitting and receiving system for non-realtime based digital realistic broadcasting, and a method thereof. The transmitting system includes a broadcasting TS generator for generating a 2-D TS for a 2-D image and an auxiliary TS for auxiliary information necessary for realistic broadcasting of the 2-D image, and a transmitter for transmitting the generated auxiliary transport stream before a corresponding broadcasting time and transmitting the generated 2-D transport stream according to a corresponding broadcasting schedule.

摘要翻译： 提供一种用于非实时数字逼真广播的发送和接收系统及其方法。 发送系统包括广播TS发生器，用于产生用于2-D图像的2-D TS和用于2-D图像的实际广播所需的辅助信息的辅助TS，以及用于在产生的辅助传输流之前发送所述辅助传输流的发射机 相应的广播时间，并根据相应的广播时间表发送所生成的2-D传输流。

公开(公告)号：US07779327B2

公开(公告)日：2010-08-17

申请号：US10594467

申请日：2005-04-01

申请人： Jae-Young Lee ,  Kum-Ran Ji ,  Sung-Hoon Kim ,  Seung-Won Kim ,  Soo-In Lee ,  Chieteuk Ahn

发明人： Jae-Young Lee ,  Kum-Ran Ji ,  Sung-Hoon Kim ,  Seung-Won Kim ,  Soo-In Lee ,  Chieteuk Ahn

IPC分类号： H03M13/29

CPC分类号： H03M13/256 ,  H03M13/253 ,  H03M13/2732 ,  H03M13/2936 ,  H03M13/356 ,  H04L1/0057 ,  H04L1/006 ,  H04L1/0065 ,  H04L1/007 ,  H04L1/0071

摘要： Provided are a Vestigial Side Band (VSB) Digital Television (DTV) transmitter and receiver based on the Advanced Television System Committee (ATSC) A/53, and a method thereof. The present invention provides 8-VSB DTV transmitter and receiver that can improve reception performance of the receiver by transmitting and receiving robust data mixed with P-2VSB, E-4VSB, and/or E-8VSB. The DTV transmitter includes an input means for receiving a digital video data stream including normal data and robust data; an encoding means for coding the digital video data stream into data symbols; and a transmitting means for modulating and transmitting an output signal of the encoding means, wherein the encoding means performs trellis coding on the robust data by sequentially applying a plurality of trellis coding methods.

摘要翻译： 提供了基于高级电视系统委员会（ATSC）A / 53的残留边带（VSB）数字电视（DTV）发射机和接收机及其方法。 本发明提供了通过发送和接收与P-2VSB，E-4VSB和/或E-8VSB混合的鲁棒数据来提高接收机的接收性能的8-VSB DTV发射机和接收机。 DTV发射机包括用于接收包括正常数据和鲁棒数据的数字视频数据流的输入装置; 用于将数字视频数据流编码成数据符号的编码装置; 以及发送装置，用于调制和发送编码装置的输出信号，其中编码装置通过顺序地应用多个网格编码方法对鲁棒数据执行格状编码。

公开(公告)号：US08638860B2

公开(公告)日：2014-01-28

申请号：US11575242

申请日：2005-09-15

申请人： Sung-Hoon Kim ,  Kum-Ran Ji ,  Jae-Young Lee ,  Seung-Won Kim ,  Soo-In Lee ,  Chieteuk Ahn

发明人： Sung-Hoon Kim ,  Kum-Ran Ji ,  Jae-Young Lee ,  Seung-Won Kim ,  Soo-In Lee ,  Chieteuk Ahn

IPC分类号： H04N7/12 ,  H04N11/02 ,  H04N11/04

CPC分类号： H04N21/2383 ,  H04N19/61 ,  H04N21/4382

摘要： Provided is a Vestigial Side Band Digital Television (DTV) transmitter/receiver based on Advanced Television System Committee A/53. The invention provides DTV transmitter/receiver having a dual stream structure through generation of robust data which has a transmission rate a fourth as fast as that of normal data, and a method thereof. The DTV transmitter includes: input means for receiving digital video data stream including normal and robust data; encoding means for performing ¼ rate coding on the digital video data stream so that one bit can be transmitted through two symbols; and transmitting means for modulating/transmitting output signals of the encoding means. This invention can reduce SNR and satisfy TOV of robust data by performing additional FEC on robust data, transmitting/receiving ¼ rate coded robust data, which are capable of transmitting one-bit data for two symbols, and improving decoding ability of an equalizer and a trellis decoder of a DTV receiver.

摘要翻译： 提供了基于先进电视系统委员会A / 53的残留边带数字电视（DTV）发射机/接收机。 本发明提供具有双流结构的DTV发射机/接收机及其方法，该DTV发射机/接收机通过生成具有与正常数据相同的速度的传输速率的鲁棒数据。 DTV发射机包括：用于接收包括正常和鲁棒数据的数字视频数据流的输入装置; 编码装置，用于对数字视频数据流执行¼速率编码，使得可以通过两个符号发送一个比特; 以及发送装置，用于调制/发送编码装置的输出信号。 本发明可以通过对鲁棒数据，发送/接收速率编码的鲁棒数据执行额外的FEC来降低SNR并满足鲁棒数据的TOV，该数据能够传送两个符号的一位数据，提高均衡器的解码能力和 网格解码器的DTV接收机。

公开(公告)号：US08483269B2

公开(公告)日：2013-07-09

申请号：US12096198

申请日：2006-12-11

申请人： Sung-Hoon Kim ,  Byung-Jun Bae ,  Kug-Jin Yun ,  Jae-Young Lee ,  Seung-Won Kim ,  Chung-Hyun Ahn ,  Nam-Ho Hur ,  Soo-In Lee ,  Chieteuk Ahn

发明人： Sung-Hoon Kim ,  Byung-Jun Bae ,  Kug-Jin Yun ,  Jae-Young Lee ,  Seung-Won Kim ,  Chung-Hyun Ahn ,  Nam-Ho Hur ,  Soo-In Lee ,  Chieteuk Ahn

IPC分类号： H04N7/12

CPC分类号： H04N13/161 ,  H04H20/30 ,  H04H20/95 ,  H04N13/194 ,  H04N19/597 ,  H04N21/235 ,  H04N21/23614 ,  H04N21/2362 ,  H04N21/2365 ,  H04N21/4347 ,  H04N21/4348 ,  H04N21/435 ,  H04N21/845

摘要： Provided is a system and method for transmitting and receiving 3D video based on digital broadcasting. The system includes: an encoder for generating 2D ES and 3D supplementary ES by encoding 2D video and 3D supplementary data; a packetizer for generating 2D video PES and 3D supplementary PES by packetizing the 2D video ES and the 3D supplementary ES; a PSI generator for generating a PSI; a TS generator for generating 2D video TS and 3D supplementary TS for the 2D video PES and the 3D supplementary PES; a multiplexer for multiplexing the transport streams to transmit the 2D video TS as a normal stream and transmit the 3D supplementary TS, the PSI TS and 3D video synch data TS as robust stream; and a modulator for modulating the multiplexed TS according to a DTV specification and transmitting the modulated TS.

摘要翻译： 提供了一种用于基于数字广播发送和接收3D视频的系统和方法。 该系统包括：通过编码2D视频和3D补充数据生成2D ES和3D补充ES的编码器; 用于通过打包2D视频ES和3D补充ES来生成2D视频PES和3D补充PES的打包器; 用于产生PSI的PSI发生器; 用于生成用于2D视频PES和3D补充PES的2D视频TS和3D辅助TS的TS生成器; 多路复用器，用于复用传输流以将2D视频TS作为普通流传输，并将3D补充TS，PSI TS和3D视频同步数据TS作为鲁棒流传输; 以及调制器，用于根据DTV规范调制多路复用的TS，并发送调制的TS。

公开(公告)号：US20070208987A1

公开(公告)日：2007-09-06

申请号：US10594466

申请日：2005-04-01

申请人： Sung Kim ,  Kum-Ran Ji ,  Jae-Young Lee ,  Seung-Won Kim ,  Soo-In Lee ,  Chieteuk Ahn

发明人： Sung Kim ,  Kum-Ran Ji ,  Jae-Young Lee ,  Seung-Won Kim ,  Soo-In Lee ,  Chieteuk Ahn

IPC分类号： H03M13/25

CPC分类号： H04N5/4401 ,  H04L1/0045 ,  H04L1/0065 ,  H04L1/0071 ,  H04L2025/03382 ,  H04N21/2383 ,  H04N21/4382

摘要： Provided are a Vestigial Side Band (VSB) digital television (DTV) receiver based on is A/53 of the Advanced Television System Committee (ATSC) that can secure backward compatibility of a low-ranked DTV receiver by using parity bytes added to robust data for error correction and obtain RS coding gain from the robust data, and a method thereof. The DTV receiver includes: a receiving unit for receiving a transmission signal including general data and robust data and converting the transmission signal into a base-band signal; an equalizer for determining a symbol level of the transmission signal; a trellis decoder for performing trellis decoding on a symbol of the determined level; a nonsystematic Reed Solomon (NRS) decoder for performing NRS decoding on the trellis-decoded robust data and correcting an error; and a restoring unit for restoring a digital video data stream with respect to the trellis-decoded general data and the NRS-decoded robust data.

摘要翻译： 提供了一种基于高级电视系统委员会（ATSC）的A / 53的残留边带（VSB）数字电视（DTV）接收机，其可以通过使用添加到鲁棒数据的奇偶校验字节来确保低等级DTV接收机的向后兼容性 用于纠错并从鲁棒数据获得RS编码增益及其方法。 DTV接收机包括：接收单元，用于接收包括通用数据和鲁棒数据的发送信号，并将发送信号转换成基带信号; 均衡器，用于确定发送信号的符号电平; 网格解码器，用于对所确定的级别的符号执行网格解码; 用于对网格解码的鲁棒数据执行NRS解码并校正错误的非系统的Reed Solomon（NRS）解码器; 以及恢复单元，用于相对于网格解码的一般数据和NRS解码的鲁棒数据恢复数字视频数据流。

公开(公告)号：US08050346B2

公开(公告)日：2011-11-01

申请号：US11996085

申请日：2006-07-19

申请人： Sung-Hoon Kim ,  Jae-Young Lee ,  Seung-Won Kim ,  Soo-In Lee ,  Chieteuk Ahn ,  Ho-Kyoung Lee ,  Chang-Joong Kim

发明人： Sung-Hoon Kim ,  Jae-Young Lee ,  Seung-Won Kim ,  Soo-In Lee ,  Chieteuk Ahn ,  Ho-Kyoung Lee ,  Chang-Joong Kim

IPC分类号： H04L5/12 ,  H03M13/03

CPC分类号： H03M13/256 ,  H03M13/033 ,  H03M13/6538

摘要： Provided are a method of estimating an encoder for dual stream transmission, and an encoder using the same. The method includes the steps of: a) setting up the number of memories required for an encoder, a free distance condition for robust data, and a free distance condition for mixed stream of robust data and normal data; b) obtaining ½ rate encoder combinations that sustain backward compatibility with a typical trellis encoder; c) obtaining encoder combinations H that satisfy the free distance condition for the robust data and the free distance condition for the mixed stream from the ½ rate encoder combinations; d) obtaining relations between memories and input/output signals, which satisfy the encoder combinations H; and e) configuring an encoder according to the obtained relation between the memories and the input/output signals.

摘要翻译： 提供了一种用于估计用于双流传输的编码器的方法，以及使用该编码器的编码器。 该方法包括以下步骤：a）建立编码器所需的存储器数量，鲁棒数据的自由距离条件以及稳健数据和正常数据的混合流的自由距离条件; b）获得与典型网格编码器保持向后兼容性的1/2速率编码器组合; c）获得满足来自1/2速率编码器组合的混合流的鲁棒数据和自由距离条件的自由距离条件的编码器组合H; d）获得满足编码器组合H的存储器和输入/输出信号之间的关系; 以及e）根据获得的存储器与输入/输出信号之间的关系配置编码器。

公开(公告)号：US20090220020A1

公开(公告)日：2009-09-03

申请号：US11996085

申请日：2006-07-19

申请人： Sung-Hoon Kim ,  Jae-Young Lee ,  Seung-Won Kim ,  Soo-In Lee ,  Chieteuk Ahn ,  Ho-Kyoung Lee ,  Chang-Joong Kim

发明人： Sung-Hoon Kim ,  Jae-Young Lee ,  Seung-Won Kim ,  Soo-In Lee ,  Chieteuk Ahn ,  Ho-Kyoung Lee ,  Chang-Joong Kim

IPC分类号： H03M13/25 ,  H04L5/12

CPC分类号： H03M13/256 ,  H03M13/033 ,  H03M13/6538

摘要： Provided are a method of estimating an encoder for dual stream transmission, and an encoder using the same. The method includes the steps of: a) setting up the number of memories required for an encoder, a free distance condition for robust data, and a free distance condition for mixed stream of robust data and normal data; b) obtaining ½ rate encoder combinations that sustain backward compatibility with a typical trellis encoder; c) obtaining encoder combinations H that satisfy the free distance condition for the robust data and the free distance condition for the mixed stream from the ½ rate encoder combinations; d) obtaining relations between memories and input/output signals, which satisfy the encoder combinations H; and e) configuring an encoder according to the obtained relation between the memories and the input/output signals.

摘要翻译： 提供了一种用于估计用于双流传输的编码器的方法，以及使用该编码器的编码器。 该方法包括以下步骤：a）建立编码器所需的存储器数量，鲁棒数据的自由距离条件以及稳健数据和正常数据的混合流的自由距离条件; b）获得与典型网格编码器保持向后兼容性的1/2速率编码器组合; c）获得满足来自1/2速率编码器组合的混合流的鲁棒数据和自由距离条件的自由距离条件的编码器组合H; d）获得满足编码器组合H的存储器和输入/输出信号之间的关系; 以及e）根据获得的存储器与输入/输出信号之间的关系配置编码器。

公开(公告)号：US20090201997A1

公开(公告)日：2009-08-13

申请号：US11575242

申请日：2005-09-15

申请人： Sung-Hoon Kim ,  Kum-Ran Ji ,  Jae-Young Lee ,  Seung-Won Kim ,  Soo-In Lee ,  Chieteuk Ahn

发明人： Sung-Hoon Kim ,  Kum-Ran Ji ,  Jae-Young Lee ,  Seung-Won Kim ,  Soo-In Lee ,  Chieteuk Ahn

IPC分类号： H04N7/12 ,  H04N5/38 ,  H04N7/173

CPC分类号： H04N21/2383 ,  H04N19/61 ,  H04N21/4382

摘要： Provided is a Vestigial Side Band Digital Television (DTV) transmitter/receiver based on Advanced Television System Committee A/53. The invention provides DTV transmitter/receiver having a dual stream structure through generation of robust data which has a transmission rate a fourth as fast as that of normal data, and a method thereof. The DTV transmitter includes: input means for receiving digital video data stream including normal and robust data; encoding means for performing ¼ rate coding on the digital video data stream so that one bit can be transmitted through two symbols; and transmitting means for modulating/transmitting output signals of the encoding means. This invention can reduce SNR and satisfy TOV of robust data by performing additional FEC on robust data, transmitting/receiving ¼ rate coded robust data, which are capable of transmitting one-bit data for two symbols, and improving decoding ability of an equalizer and a trellis decoder of a DTV receiver.

摘要翻译： 提供了基于先进电视系统委员会A / 53的残留边带数字电视（DTV）发射机/接收机。 本发明提供具有双流结构的DTV发射机/接收机及其方法，该DTV发射机/接收机通过生成具有与正常数据相同的速度的传输速率的鲁棒数据。 DTV发射机包括：用于接收包括正常和鲁棒数据的数字视频数据流的输入装置; 编码装置，用于对数字视频数据流执行¼速率编码，使得可以通过两个符号发送一个比特; 以及发送装置，用于调制/发送编码装置的输出信号。 本发明可以通过对鲁棒数据，发送/接收速率编码的鲁棒数据执行额外的FEC来降低SNR并满足鲁棒数据的TOV，该数据能够传送两个符号的一位数据，提高均衡器的解码能力和 网格解码器的DTV接收机。