公开(公告)号：US09548807B2

公开(公告)日：2017-01-17

申请号：US14723098

申请日：2015-05-27

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob Baek ,  Seoyoung Back ,  Woosuk Ko ,  Sungryong Hong

IPC: H04B7/12 ,  H04L1/00 ,  H04L5/00 ,  H04L27/14 ,  H04L27/26 ,  H04L27/12

CPC classification number: H04L5/0044 ,  H04B7/12 ,  H04H20/28 ,  H04H40/09 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0065 ,  H04L1/0071 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/0053 ,  H04L27/12 ,  H04L27/14 ,  H04L27/26 ,  H04L27/2647 ,  H04W4/06

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals, the apparatus comprises an encoder to encode service data, a mapper to map the encoded service data, a time interleaver to time interleave the mapped service data, wherein the time interleaving is performed depending on number of physical paths for the service data, a frame builder to build at least one signal frame including the time interleaved service data, a modulator to modulate data in the built at least one signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme and a transmitter to transmit the broadcast signals having the modulated data.

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装置，该装置包括：编码服务数据的编码器，映射编码服务数据的映射器，时间交织器，对时间交织映射的业务数据，其中根据物理路径的数目执行时间交织， 服务数据，构建器构建包括时间交织的服务数据的至少一个信号帧的调制器，用于通过OFDM（正交频分复用）方案来调制所构建的至少一个信号帧中的数据的调制器，以及发送器 具有调制数据的广播信号。

公开(公告)号：US09432233B2

公开(公告)日：2016-08-30

申请号：US14948729

申请日：2015-11-23

Applicant: LG ELECTRONICS INC.

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

IPC: H04K1/10 ,  H04L27/26 ,  H04W4/06 ,  H04L1/00

CPC classification number: H04L27/2602 ,  H03M13/156 ,  H03M13/6519 ,  H04L1/0042 ,  H04L1/0047 ,  H04L1/0048 ,  H04L1/0057 ,  H04L1/0058 ,  H04L1/0071 ,  H04L1/0072 ,  H04L5/0048 ,  H04L27/2613 ,  H04L27/2627 ,  H04L27/2628 ,  H04L27/265 ,  H04W4/06

Abstract: An apparatus for transmitting a broadcast signal includes an input formatting module configured to de-multiplex an input stream into at least one Data Pipe (DP); a BICM module configured to perform error correction processing on data of the at least one DP; a signal frame building module configured to map the data of the DP to symbols within a signal frame; and an OFDM generation module configured to generate a transmission broadcast signal by inserting a preamble into the signal frame and performing OFDM modulation. The OFDM generation module includes a pilot signal insertion module configured to insert a pilot signal including Continual Pilots (CP) and Scattered Pilots (SP) into the transmission broadcast signal, and the CPs are inserted into every symbol of the signal frame, and location and number of the CPs are determined based on a Fast Fourier Transform (FFT) size.

公开(公告)号：US20160248548A1

公开(公告)日：2016-08-25

申请号：US15147207

申请日：2016-05-05

Applicant: LG Electronics Inc.

Inventor： Jongseob Baek ,  Byeongkook Jeong ,  Jaehyung Kim ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L1/00 ,  H04L5/00

CPC classification number: H04L27/265 ,  H03M13/00 ,  H03M13/152 ,  H03M13/255 ,  H03M13/27 ,  H03M13/2778 ,  H03M13/2906 ,  H04L1/0041 ,  H04L1/0058 ,  H04L1/0061 ,  H04L1/0071 ,  H04L1/0075 ,  H04L1/04 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/0044 ,  H04L5/0053 ,  H04L27/2602 ,  H04L27/2607 ,  H04L27/2626 ,  H04L27/2627 ,  H04L27/2647 ,  H04L27/2649 ,  H04L2001/0093

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals comprises an encoder encoding service data, a time interleaver interleaving the encoded service data, a mapper mapping the interleaved service data into a plurality of OFDM (Orthogonal Frequency Division Multiplex) symbols to build at least one signal frame, a frequency interleaver frequency interleaving data in the at least one signal frame by using a different interleaving-seed which is used for every OFDM symbol pair comprised of two sequential OFDM symbols, wherein the frequency interleaving is performed by using two memories, a modulator modulating the frequency interleaved data by an OFDM scheme and a transmitter transmitting the broadcast signals having the modulated data, wherein an interleaving-seed is generated based on a cyclic shift value and an FFT size of the modulating.

公开(公告)号：US20160197753A1

公开(公告)日：2016-07-07

申请号：US14989487

申请日：2016-01-06

Applicant: LG Electronics Inc.

Inventor： Jaeho Hwang ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L27/26 ,  H04W28/06

CPC classification number: H04L27/2602 ,  H04H20/33 ,  H04H20/42 ,  H04L5/0023 ,  H04L27/2627 ,  H04L27/2649 ,  H04L65/60 ,  H04L65/607 ,  H04N21/20 ,  H04N21/236 ,  H04N21/2381 ,  H04N21/2383 ,  H04W28/065

Abstract: Disclosed herein is a method for sending a broadcast signal. The method includes formatting input streams into multiple data pipes (DPs). Formatting the input streams into the multiple DPs includes splitting the input streams into multiple data streams, deleting a null packet included in a data stream, and forming a baseband frame (BBF) by adding a header to the data stream. The baseband frame includes a deleted null packet (DNP) field indicative of the number of deleted null packets, and the DNP field comprises at least one of a first DNP or a second DNP.

公开(公告)号：US09379928B2

公开(公告)日：2016-06-28

申请号：US14541885

申请日：2014-11-14

Applicant: LG Electronics Inc.

Inventor： Jongseob Baek ,  Byeongkook Jeong ,  Jaehyung Kim ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L27/00 ,  H04L27/26 ,  H04L5/00

CPC classification number: H04L27/265 ,  H03M13/00 ,  H03M13/152 ,  H03M13/255 ,  H03M13/27 ,  H03M13/2778 ,  H03M13/2906 ,  H04L1/0041 ,  H04L1/0058 ,  H04L1/0061 ,  H04L1/0071 ,  H04L1/0075 ,  H04L1/04 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/0044 ,  H04L5/0053 ,  H04L27/2602 ,  H04L27/2607 ,  H04L27/2626 ,  H04L27/2627 ,  H04L27/2647 ,  H04L27/2649 ,  H04L2001/0093

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals comprises an encoder encoding service data, a time interleaver interleaving the encoded service data, a mapper mapping the interleaved service data into a plurality of OFDM (Orthogonal Frequency Division Multiplex) symbols to build at least one signal frame, a frequency interleaver frequency interleaving data in the at least one signal frame by using a different interleaving-seed which is used for every OFDM symbol pair comprised of two sequential OFDM symbols, wherein the frequency interleaving is performed by using two memories, a modulator modulating the frequency interleaved data by an OFDM scheme and a transmitter transmitting the broadcast signals having the modulated data, wherein an interleaving-seed is generated based on a cyclic shift value and an FFT size of the modulating.

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装置包括：编码服务数据的编码器，交织编码的服务数据的时间交织器;将交织的服务数据映射成多个OFDM（正交频分复用）符号的映射器，以构建至少一个信号帧; 频率交织器通过使用用于由两个连续OFDM符号组成的每个OFDM符号对使用的不同交织种子来在至少一个信号帧中频率交织数据，其中通过使用两个存储器来执行频率交织;调制器调制频率 通过OFDM方式的交织数据和发送具有调制数据的广播信号的发送器，其中基于调制的循环移位值和FFT大小来生成交织种子。

公开(公告)号：US09369325B2

公开(公告)日：2016-06-14

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: H04K1/02 ,  H04L25/03 ,  H04L25/49 ,  H04L27/26 ,  H04H20/59 ,  H04H20/72

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。

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：US09264476B2

公开(公告)日：2016-02-16

申请号：US14540385

申请日：2014-11-13

Applicant: LG Electronics Inc.

Inventor： Jaeho Hwang ,  Woosuk Ko ,  Sungryong Hong

IPC: H04K1/10 ,  H04L29/06 ,  H04L27/26 ,  H04N21/20 ,  H04N21/2383 ,  H04H20/33 ,  H04H20/42

CPC classification number: H04L27/2602 ,  H04H20/33 ,  H04H20/42 ,  H04L5/0023 ,  H04L27/2627 ,  H04L27/2649 ,  H04L65/60 ,  H04L65/607 ,  H04N21/20 ,  H04N21/236 ,  H04N21/2381 ,  H04N21/2383 ,  H04W28/065

Abstract: Disclosed herein is a method for sending a broadcast signal. The method includes formatting input streams into multiple data pipes (DPs). Formatting the input streams into the multiple DPs includes splitting the input streams into multiple data streams, deleting a null packet included in a data stream, and forming a baseband frame (BBF) by adding a header to the data stream. The baseband frame includes a deleted null packet (DNP) field indicative of the number of deleted null packets, and the DNP field comprises at least one of a first DNP or a second DNP.

Abstract translation: 这里公开了一种用于发送广播信号的方法。 该方法包括将输入流格式化为多个数据管道（DP）。 将输入流格式化为多个DP包括将输入流分割成多个数据流，删除数据流中包含的空分组，以及通过向数据流添加报头来形成基带帧（BBF）。 基带帧包括指示被删除的空分组的数量的删除的空分组（DNP）字段，并且该DNP字段包括第一DNP或第二DNP中的至少一个。

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：US20150288554A1

公开(公告)日：2015-10-08

申请号：US14681158

申请日：2015-04-08

Applicant: LG Electronics Inc.

Inventor： Jongseob Baek ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L27/26 ,  H04B7/04 ,  H04L1/00

CPC classification number: H04B7/0413 ,  H04H60/11 ,  H04H60/73 ,  H04L1/0042 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0071 ,  H04L1/0075 ,  H04L27/2626 ,  H04L27/2649 ,  H04L2001/0093

Abstract: A method and an apparatus for receiving broadcast signals thereof are disclosed. The apparatus for receiving broadcast signals, the apparatus comprises a receiver to receive the broadcast signals, a demodulator to demodulate the received broadcast signals by an OFDM (Orthogonal Frequency Division Multiplex) scheme, a frame parser to parse a signal frame from the demodulated broadcast signals, wherein the signal frame includes service data corresponding to each of a plurality of physical paths, a time deinterleaver to time deinterleave service data in each physical path by a TI (Time Interleaving) block, wherein the time deinterleaver further performs inserting at least one virtual FEC block into at least one TI block of the service data, wherein each TI block includes a variable number of FEC blocks of the service data, wherein a number of the at least one virtual FEC block is defined based on a maximum number of FEC blocks of a TI block and a decoder to decode the time deinterleaved service data.

Abstract translation: 公开了一种用于接收广播信号的方法和装置。 用于接收广播信号的装置，该装置包括接收广播信号的接收机，解调器，用OFDM（正交频分复用）方案解调所接收的广播信号;解码器，用于从解调的广播信号中解码信号帧 ，其中所述信号帧包括与多个物理路径中的每一个对应的服务数据，时间去交织器，用于通过TI（时间交织）块对每个物理路径中的时间解交织服务数据，其中所述时间解交织器还执行插入至少一个虚拟 FEC块到服务数据的至少一个TI块中，其中每个TI块包括可变数量的服务数据的FEC块，其中基于FEC块的最大数量来定义所述至少一个虚拟FEC块的数量 的TI块和解码器解码时间去交织的服务数据。