公开(公告)号：US20160173313A1

公开(公告)日：2016-06-16

申请号：US14930289

申请日：2015-11-02

Applicant: LG Electronics Inc.

Inventor： Jaeho Hwang ,  Sungryong Hong ,  Woosuk Ko

IPC: H04L27/26 ,  H04L5/00 ,  H04L29/06

CPC classification number: H04L27/2627 ,  H04L1/0041 ,  H04L1/0058 ,  H04L1/0061 ,  H04L1/0071 ,  H04L1/0075 ,  H04L1/0082 ,  H04L1/08 ,  H04L5/0007 ,  H04L5/0044 ,  H04L5/0053 ,  H04L27/2602 ,  H04L27/2647 ,  H04L69/22 ,  H04L2001/0093 ,  H04N21/236 ,  H04N21/23611 ,  H04N21/2381 ,  H04N21/2383 ,  H04W4/06

Abstract: Disclosed is a method for transmitting broadcast signals, including: formatting input streams to a plurality of data pipes (DPs), wherein the formatting comprises allocating data packets to a payload of a baseband frame (BBF), and adding a header indicating a format of the payload of the baseband frame, and the header comprises at least one of first control information and second control information.

公开(公告)号：US09276687B1

公开(公告)日：2016-03-01

申请号：US14551800

申请日：2014-11-24

Applicant: LG ELECTRONICS INC.

Inventor： Byeongkook Jeong ,  Woosuk Ko ,  Youngjin Hong ,  Sungryong Hong ,  Jaeho Hwang

IPC: H04L27/00 ,  H04L27/36 ,  H03K9/02 ,  H03D1/24 ,  H04H20/71 ,  H04L27/26 ,  H04B7/06 ,  H04B7/04

CPC classification number: H04L27/3444 ,  H03M13/1102 ,  H03M13/1165 ,  H03M13/152 ,  H03M13/253 ,  H03M13/255 ,  H03M13/2707 ,  H03M13/2778 ,  H03M13/2792 ,  H03M13/2906 ,  H04B7/0413 ,  H04B7/0615 ,  H04H20/71 ,  H04L1/00 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0058 ,  H04L1/0071 ,  H04L1/0075 ,  H04L5/0023 ,  H04L27/0008 ,  H04L27/26 ,  H04L27/2602 ,  H04L27/2627 ,  H04L27/2697 ,  H04L27/3416 ,  H04L27/361 ,  H04L27/38 ,  H04L2001/0093

Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, processing input streams into plural PLPs; encoding data of the each PLPs according to code rates, wherein the encoding data of the each PLPs further includes, encoding data of at least one PLP with LDPC codes, bit interleaving the LDPC encoded data of the PLP, mapping the bit interleaved data onto a set of constellations according to the code rate, MIMO encoding the mapped data, and time interleaving the MIMO encoded data; building at least one signal frame by mapping the encoded data of the each PLPs; and modulating data in the built signal frame by OFDM method and transmitting the broadcast signals having the modulated data, wherein the bit interelaved data of each PLPs are mapped by using either QAM, NUQ, or NUC.

Abstract translation: 本发明提供一种发送广播信号的方法。 该方法包括：将输入流处理成多个PLP; 根据码率编码每个PLP的数据，其中每个PLP的编码数据还包括：用LDPC码编码至少一个PLP的数据，对PLP的LDPC编码数据进行比特交织，将比特交织的数据映射到 根据码率，MIMO编码映射数据和对MIMO编码数据进行时间交织的星座集; 通过映射每个PLP的编码数据构建至少一个信号帧; 以及通过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，其中通过使用QAM，NUQ或NUC映射每个PLP的位互连数据。

公开(公告)号：US20160056986A1

公开(公告)日：2016-02-25

申请号：US14932522

申请日：2015-11-04

Applicant: LG ELECTRONICS INC.

Inventor： Jongwoong SHIN ,  Jinwod Kim ,  Woosuk Ko ,  Jaeho Hwang ,  Sungryong Hong

IPC: H04L27/26 ,  H04L1/00

CPC classification number: H04L27/2646 ,  H04H20/33 ,  H04H20/423 ,  H04H20/59 ,  H04L1/0042 ,  H04L1/0048 ,  H04L1/0057 ,  H04L1/0063 ,  H04L1/0064 ,  H04L1/0071 ,  H04L1/0083 ,  H04L1/009 ,  H04L1/0091 ,  H04L1/0625 ,  H04L1/0631 ,  H04L5/0007 ,  H04L27/2601

Abstract: An apparatus includes an encoder to encode service data corresponding to each of a plurality of Physical Layer Pipes, an encoder to encode signaling data by performing LDPC (Low Density Parity Check) encoding the signaling data by adding parity bits, block interleaving the LDPC encoded signaling data, and demultiplexing the block interleaved signaling data using shifting method. The shifting method is performed based on the modulation order and indices of bits. A frame builder builds at least one signal frame including the encoded service data, the encoded signaling data, a modulator modulates the at least one signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme, and a transmitter transmits the broadcast signals carrying the at least one modulated signal frame.

Abstract translation: 一种装置包括编码器，用于对与多个物理层管道中的每一个相对应的服务数据进行编码;编码器，通过对通过添加奇偶校验位进行编码信令数据的LDPC（低密度奇偶校验）来编码信令数据，块交织LDPC编码信令 数据，并使用移位方法解复用块交织信令数据。 基于位的调制顺序和索引执行移位方法。 帧构建器构建至少一个信号帧，包括编码的服务数据，编码的信令数据，调制器通过OFDM（正交频分复用）方案来调制至少一个信号帧，并且发射机发送携带at 至少一个调制信号帧。

公开(公告)号：US20150349813A1

公开(公告)日：2015-12-03

申请号：US14728116

申请日：2015-06-02

Applicant: LG Electronics Inc.

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

IPC: H04B1/04 ,  H04B7/04 ,  H04L1/00 ,  H04L27/26

CPC classification number: H04L1/0071 ,  H03M13/00 ,  H03M13/1165 ,  H03M13/152 ,  H03M13/159 ,  H03M13/253 ,  H03M13/255 ,  H03M13/2707 ,  H03M13/271 ,  H03M13/2721 ,  H03M13/2778 ,  H03M13/2906 ,  H03M13/6356 ,  H03M13/655 ,  H03M13/6552 ,  H04B1/04 ,  H04B7/0413 ,  H04L1/0041 ,  H04L1/0057 ,  H04L1/0059 ,  H04L1/0065 ,  H04L1/0075 ,  H04L5/0007 ,  H04L12/18 ,  H04L27/2601 ,  H04L27/2626 ,  H04L27/2627 ,  H04L2001/0093

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 corresponding to a number of physical paths, a time interleaver to time interleave the encoded service data in each physical path, 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 transmitting 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，该装置包括编码器，用于对与多个物理路径相对应的服务数据进行编码，时间交织器对每个物理路径中的经编码的服务数据进行时间交织，构建器构建至少一个信号帧，包括 时间交织服务数据，调制器，用于通过OFDM（正交频分复用）方案来调制建立的至少一个信号帧中的数据，以及发送器，用于发送具有调制数据的广播信号。

公开(公告)号：US20150163083A1

公开(公告)日：2015-06-11

申请号：US14540405

申请日：2014-11-13

Applicant: LG Electronics Inc.

Inventor： Jaeho Hwang ,  Sungryong Hong ,  Woosuk Ko

IPC: H04L27/26 ,  H04L1/00 ,  H04L29/06

CPC classification number: H04L27/2627 ,  H04L1/0041 ,  H04L1/0058 ,  H04L1/0061 ,  H04L1/0071 ,  H04L1/0075 ,  H04L1/0082 ,  H04L1/08 ,  H04L5/0007 ,  H04L5/0044 ,  H04L5/0053 ,  H04L27/2602 ,  H04L27/2647 ,  H04L69/22 ,  H04L2001/0093 ,  H04N21/236 ,  H04N21/23611 ,  H04N21/2381 ,  H04N21/2383 ,  H04W4/06

Abstract: Disclosed is a method for transmitting broadcast signals, including: formatting input streams to a plurality of data pipes (DPs), wherein the formatting comprises allocating data packets to a payload of a baseband frame (BBF), and adding a header indicating a format of the payload of the baseband frame, and the header comprises at least one of first control information and second control information.

Abstract translation: 公开了一种用于发送广播信号的方法，包括：将输入流格式化为多个数据管道（DP），其中格式化包括将数据分组分配给基带帧（BBF）的有效载荷，以及添加表示格式的标题 基带帧的有效载荷和报头包括第一控制信息和第二控制信息中的至少一个。

公开(公告)号：US20150156242A1

公开(公告)日：2015-06-04

申请号：US14540385

申请日：2014-11-13

Applicant: LG Electronics Inc.

Inventor： Jaeho Hwang ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L29/06 ,  H04N7/08 ,  H04L27/26

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：US20150139353A1

公开(公告)日：2015-05-21

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: H04L27/26 ,  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：US20150016453A1

公开(公告)日：2015-01-15

申请号：US14330740

申请日：2014-07-14

Applicant: LG Electronics Inc.

Inventor： Woochan Kim ,  Sungryong Hong ,  Woosuk Ko ,  Jaeho Hwang ,  Byounggill Kim ,  Jaehyung Kim

IPC: H04L12/18 ,  H04L29/06

CPC classification number: H04H20/59 ,  H04B7/0413 ,  H04L12/1895 ,  H04L27/2601 ,  H04L27/261 ,  H04L69/22 ,  H04L69/323 ,  H04W4/90

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The method for transmitting broadcast signals includes encoding PLP data; building at least one signal frame by mapping the encoded PLP data; and modulating data in the built signal frame by OFDM method and transmitting a broadcast signal having the modulated data, wherein the signal frame includes a preamble having a preamble symbol and a guard interval, wherein the guard interval is generated by using a sequence and the preamble symbol.

Abstract translation: 公开了一种用于发送广播信号的方法和装置。 发送广播信号的方法包括编码PLP数据; 通过映射编码的PLP数据构建至少一个信号帧; 以及通过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，其中信号帧包括具有前同码符号和保护间隔的前同步码，其中通过使用序列和前导码生成保护间隔 符号。

公开(公告)号：US20140314177A1

公开(公告)日：2014-10-23

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: H04B7/04 ,  H04B7/08 ,  H04B7/06

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：USRE50209E1

公开(公告)日：2024-11-12

申请号：US17869598

申请日：2022-07-20

Applicant: LG ELECTRONICS INC.

Inventor： Jinyong Choi ,  Woosuk Ko ,  Sangchul Moon ,  Sungryong Hong

IPC: H04L27/26 ,  H04B7/0413 ,  H04L27/22 ,  H04L27/34 ,  H04L27/36 ,  H04L27/38 ,  H04W4/06 ,  H04B7/10 ,  H04L27/00 ,  H04L27/18

Abstract: A method and device for processing broadcast signals are discussed. The method includes receiving the broadcast signals carrying service data, demodulating the broadcast signals by an Orthogonal Frequency Division Multiplexing (OFDM) scheme, MIMO processing data in the broadcast signals based on a rotation value, where the rotation value has zero (0) degree for a modulation order corresponding to equal to or greater than 64 Quadrature Amplitude Modulation (QAM) and a code rate corresponding to at least one of 2/15, 3/15, 4/15, 5/15, 6/15, 7/15, 8/15, 9/15, 10/15, 11/15, 12/15 or 13/15, and the rotation value has zero (0) degree for a modulation order corresponding to Quadrature Phase Shift Keying (QPSK) and a code rate corresponding to at least one of 2/15, 3/15, 4/15 or 5/15, and decoding the data.