公开(公告)号：US09350472B2

公开(公告)日：2016-05-24

申请号：US14477167

申请日：2014-09-04

Applicant: LG ELECTRONICS INC.

Inventor： Woochan Kim ,  Jongseob Baek ,  Chulkyu Mun ,  Woosuk Ko ,  Sungryong Hong

IPC: H04K1/10 ,  H04H20/71 ,  H04L27/26 ,  H04H20/42 ,  H04H60/07 ,  H04N21/2383

CPC classification number: H04L27/2627 ,  H04B7/0413 ,  H04B7/06 ,  H04H20/42 ,  H04H20/71 ,  H04H60/07 ,  H04L5/0044 ,  H04L25/03242 ,  H04L25/03891 ,  H04L27/00 ,  H04L27/2602 ,  H04L27/2634 ,  H04L27/2649 ,  H04N7/08 ,  H04N21/234 ,  H04N21/2362 ,  H04N21/2383 ,  H04N21/4382

Abstract: An apparatus for transmitting broadcast signals comprises an encoder for encoding service data corresponding to each of a plurality of transmission unit, where each of a plurality of transmission unit carries at least one service component, a frame builder for building at least one signal frame including the encoded service data, a phase distortion unit for performing a phase distortion on data in the built at least one signal frame, a modulator for modulating data in the built at least one signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme and a transmitter for transmitting the broadcast signals including the modulated data.

Abstract translation: 用于发送广播信号的装置包括：编码器，用于编码对应于多个传输单元中的每一个的服务数据，其中多个传输单元中的每一个承载至少一个服务组件;框架构建器，用于构建至少一个包括 编码服务数据，用于对构成的至少一个信号帧中的数据执行相位失真的相位失真单元，用于通过OFDM（正交频分复用）方案调制所构建的至少一个信号帧中的数据的调制器，以及发射机 用于发送包括调制数据的广播信号。

公开(公告)号：US09191082B2

公开(公告)日：2015-11-17

申请号：US14256817

申请日：2014-04-18

Applicant: LG Electronics Inc.

Inventor： Jinyong Choi ,  Byounggill Kim ,  Woochan Kim ,  Jaehyung Kim ,  Woosuk Ko ,  Sungryong Hong ,  Chulkyu Mun ,  Jaeho Hwang ,  Jongseob Baek ,  Kookyeon Kwak ,  Sangchul Moon

IPC: H04B1/38 ,  H04B7/04 ,  H04B7/10

CPC classification number: H04H20/44 ,  H04B7/0413 ,  H04B7/0456 ,  H04B7/10 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0065 ,  H04L1/0071 ,  H04L1/06 ,  H04L5/0007 ,  H04L5/0023 ,  H04L27/2046 ,  H04L27/34

Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, formatting input streams into Data Pipe, DP, data; Low-Density Parity-Check, LDPC, encoding the DP data according to a code rate; bit interleaving the LDPC encoded DP data; mapping the bit interleaved DP data onto constellations according to one of QAM (Quadrature Amplitude Modulation), NUQ (Non-Uniform QAM) or NUC (Non-Uniform Constellation); Multi-Input Multi-Output, MIMO, encoding the mapped DP data by using a MIMO encoding matrix having a MIMO encoding parameter; building at least one signal frame by mapping the MIMO encoded DP data; and modulating data in the built signal frame by an Orthogonal Frequency Division Multiplexing, OFDM, method and transmitting the broadcast signals having the modulated data.

Abstract translation: 本发明提供一种发送广播信号的方法。 该方法包括将输入流格式化为数据管道，DP，数据; 低密度奇偶校验LDPC，根据码率对DP数据进行编码; 比特交织LDPC编码的DP数据; 根据QAM（正交幅度调制），NUQ（Non-Uniform QAM）或NUC（Non-Uniform Constellation）之一将位交织的DP数据映射到星座上; 多输入多输出MIMO，通过使用具有MIMO编码参数的MIMO编码矩阵对映射的DP数据进行编码; 通过映射MIMO编码的DP数据构建至少一个信号帧; 以及通过正交频分复用OFDM方法调制内置信号帧中的数据，并发送具有调制数据的广播信号。

公开(公告)号：US20140294002A1

公开(公告)日：2014-10-02

申请号：US14158573

申请日：2014-01-17

Applicant: LG Electronics Inc.

Inventor： Byounggill Kim ,  Woochan Kim ,  Jaehyung Kim ,  Woosuk Ko ,  Sungryong Hong ,  Chulkyu Mun ,  Jinyong Choi ,  Jaeho Hwang ,  Jongseob Baek ,  Kookyeon Kwak ,  Byeongkook Jung

IPC: H04L12/18 ,  H04L12/931

CPC classification number: H04L12/18 ,  H04J13/0062 ,  H04L1/0072 ,  H04L27/2613 ,  H04L49/201 ,  H04N21/236 ,  H04N21/2383 ,  H04N21/434 ,  H04N21/4382

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The method for transmitting broadcast signals including encoding DP (Data Pipe) data carrying at least one service, mapping the encoded DP data onto constellations, time interleaving the mapped DP data, building a signal frame including the time interleaved DP data, modulating data in the built signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme, and transmitting the broadcast signals having the modulated data, wherein the broadcast signals are carried in consecutive super frames, wherein each of the super frames includes multiplexed signal frames for different service in a time domain, wherein the signal frame includes a preamble located at the beginning of the at least one signal frame, wherein the preamble includes signaling information for identifying the signal frame.

Abstract translation: 公开了一种用于发送广播信号的方法和装置。 用于发送广播信号的方法，包括编码携带至少一个服务的DP（数据管道）数据，将编码的DP数据映射到星座上，对映射的DP数据进行时间交织，构建包括时间交织的DP数据的信号帧， 通过OFDM（正交频分复用）方式构建信号帧，并且发送具有调制数据的广播信号，其中广播信号在连续超帧中承载，其中每个超帧包括用于不同业务的多路复用信号帧 时域，其中所述信号帧包括位于所述至少一个信号帧的开始处的前导码，其中所述前导码包括用于识别所述信号帧的信令信息。

公开(公告)号：US20140198875A1

公开(公告)日：2014-07-17

申请号：US14157314

申请日：2014-01-16

Applicant: LG Electronics Inc.

Inventor： Byounggill Kim ,  Woochan Kim ,  Jaehyung Kim ,  Sungryong Hong ,  Chulkyu Mun ,  Jinyong Choi ,  Jaeho Hwang ,  Jongseob Baek ,  Kookyeon Kwak ,  Woosuk Ko

IPC: H04L27/26 ,  H04H20/59

CPC classification number: H04L5/0053 ,  H04B7/0413 ,  H04H20/59 ,  H04H20/72 ,  H04J13/0062 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0071 ,  H04L5/0007 ,  H04L5/0016 ,  H04L5/0026 ,  H04L27/2611 ,  H04L27/2613 ,  H04L27/2627 ,  H04L27/2647 ,  H04L65/4076 ,  H04L65/80

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The method for transmitting broadcast signals comprises encoding DP (data pipe) data carrying at least one service, mapping the encoded DP data onto constellations, time interleaving the mapped DP data, building at least one signal frame including the time interleaved DP data, modulating data in the built at least one signal frame by an OFDM scheme and transmitting the broadcast signals having the modulated data, wherein the at least one signal frame includes emergency alert information.

Abstract translation: 公开了一种用于发送广播信号的方法和装置。 用于发送广播信号的方法包括编码携带至少一个服务的DP（数据管道）数据，将编码的DP数据映射到星座上，对映射的DP数据进行时间交织，构建包括时间交织的DP数据的至少一个信号帧，调制数据 在通过OFDM方案构建的至少一个信号帧中，并发送具有调制数据的广播信号，其中至少一个信号帧包括紧急警报信息。