公开(公告)号：US20200076658A1

公开(公告)日：2020-03-05

申请号：US16677242

申请日：2019-11-07

Applicant: LG ELECTRONICS INC.

Inventor： Byounggill KIM ,  Jaehyung KIM ,  Jaeho HWANG ,  Woosuk KO ,  Sungryong HONG

IPC: H04L27/26 ,  H04L5/00 ,  H04L1/00 ,  H04W4/06

Abstract: The present invention provides a method of transmitting broadcast signals. The method includes encoding service data of Physical Layer Pipes (PLPs); bit interleaving the encoded service data; building at least one signal frame including the bit interleaved service data; and modulating data in the at least one signal frame by Orthogonal Frequency Division Multiplexing (OFDM) method; inserting a preamble at a beginning of each of the at least one signal frame after the modulating step; and transmitting the broadcast signals having the modulated data, wherein the preamble includes two OFDM symbols and each of the two OFDM symbols is generated by a sequence multiplication, and wherein each of the two OFDM symbols in the preamble includes information for an emergency alert.

公开(公告)号：US20190222529A1

公开(公告)日：2019-07-18

申请号：US16266938

申请日：2019-02-04

Applicant: LG ELECTRONICS INC.

Inventor： Jaeho HWANG ,  Woosuk KO ,  Timothy LAUD ,  Sungryong HONG

IPC: H04L12/823 ,  H04L1/00 ,  H04L12/741 ,  H04L25/02 ,  H04N21/2383 ,  H04N21/238 ,  H04L27/26 ,  H04L29/06 ,  H04L12/18 ,  H04L5/00 ,  H04L1/18 ,  H04N21/438

CPC classification number: H04L47/32 ,  H04B7/0413 ,  H04L1/0041 ,  H04L1/0047 ,  H04L1/0057 ,  H04L1/0071 ,  H04L1/1887 ,  H04L5/0044 ,  H04L12/18 ,  H04L25/02 ,  H04L27/2627 ,  H04L27/2655 ,  H04L27/2692 ,  H04L45/74 ,  H04L65/602 ,  H04L2001/0093 ,  H04N21/238 ,  H04N21/2383 ,  H04N21/4382

Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, processing input streams into BB (Base Band) frames of PLPs (Physical Layer Pipes), wherein the input streams include a plurality of input packets, wherein each of the input packets include a packet header including information about synchronization of the input streams, wherein the processing input streams into BB frames further includes compressing the packet headers of the input packets in the input streams, generating the BB frames by using the compressed input packets; encoding data of the PLPs; building at least one signal frame by mapping the encoded data of the PLPs; and modulating data in the built signal frame by OFDM (Orthogonal Frequency Division Multiplexing) method and transmitting the broadcast signals having the modulated data.

公开(公告)号：US20170359143A1

公开(公告)日：2017-12-14

申请号：US15689805

申请日：2017-08-29

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 JEONG

IPC: H04L1/00 ,  H04L1/06 ,  H04L1/08 ,  H04L27/26

CPC classification number: H04L1/0041 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0071 ,  H04L1/0072 ,  H04L1/0625 ,  H04L1/0631 ,  H04L1/08 ,  H04L27/2607 ,  H04L27/2613 ,  H04L2001/0093

Abstract: The object of the present invention can be achieved by providing a method of transmitting broadcast signals including encoding Data Pipe, DP, data, wherein the encoding further includes Forward Error Correction, FEC, encoding the DP data, Bit interleaving the FEC encoded DP data and mapping the bit interleaved DP data onto constellations; building at least one signal frame by mapping the encoded DP data; and modulating data in the at least one built signal frame by an Orthogonal Frequency Division Multiplexing, OFDM, method and transmitting the broadcast signals having the modulated data, wherein each of the at least one signal frame includes at least one preamble having repeated at least one signaling information.

公开(公告)号：US20170171009A1

公开(公告)日：2017-06-15

申请号：US15441796

申请日：2017-02-24

Applicant: LG ELECTRONICS INC.

Inventor： Jaeho HWANG ,  Woosuk KO ,  Sungryong HONG

IPC: H04L27/26 ,  H04L29/06

CPC classification number: H04L1/0006 ,  H04H20/00 ,  H04H20/33 ,  H04H20/423 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0065 ,  H04L1/0071 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/0048 ,  H04L5/0053 ,  H04L12/18 ,  H04L12/1881 ,  H04L27/2602 ,  H04L27/2649 ,  H04L69/22

Abstract: A method is provided for receiving broadcast signals. The broadcast signals are received. The received broadcast signals are demodulated by an Orthogonal Frequency Division Multiplex (OFDM) scheme, a signal frame is parsed from the demodulated broadcast signals, data is decoded in the parsed signal frame to output baseband packets, the baseband packets are output-processed to output link layer packets, and the link layer packets are de-encapsulated to output Transport Stream (TS) packets by inserting a header for each TS packet of which a header is deleted based on information of a header of the link layer packets.

公开(公告)号：US20160191199A1

公开(公告)日：2016-06-30

申请号：US14839172

申请日：2015-08-28

Applicant: LG ELECTRONICS INC.

Inventor： Jaeho HWANG ,  Woosuk KO ,  Sungryong HONG

IPC: H04L1/00 ,  H04L29/08 ,  H04L27/26

CPC classification number: H04L1/0006 ,  H04H20/00 ,  H04H20/33 ,  H04H20/423 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0065 ,  H04L1/0071 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/0048 ,  H04L5/0053 ,  H04L12/18 ,  H04L12/1881 ,  H04L27/2602 ,  H04L27/2649 ,  H04L69/22

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals, the apparatus comprises an input formatter to input format service data, an encoder to encode the input formatted service data, a frame builder to build at least one signal frame including the encoded service data, wherein the at least one signal frame includes a plurality of OFDM symbols, 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，该装置包括输入格式化服务数据的输入格式化器，对输入的格式化服务数据进行编码的编码器，构建至少一个包括编码服务数据的信号帧的帧构建器，其中至少一个 信号帧包括多个OFDM符号，调制器，用于通过OFDM（正交频分复用）方案来调制内置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：US20160119176A1

公开(公告)日：2016-04-28

申请号：US14992496

申请日：2016-01-11

Applicant: LG ELECTRONICS INC.

Inventor： Byeongkook JEONG ,  Woosuk KO ,  Youngjin HONG ,  Sungryong HONG ,  Jaeho HWANG

IPC: H04L27/34 ,  H04L27/38 ,  H03M13/27 ,  H04L1/00 ,  H03M13/11 ,  H04L27/26 ,  H04L27/36

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 interleaved 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来映射每个PLP的比特交织数据。

公开(公告)号：US20160049998A1

公开(公告)日：2016-02-18

申请号：US14881957

申请日：2015-10-13

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 ,  H04L27/20

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：US20150358941A1

公开(公告)日：2015-12-10

申请号：US14758923

申请日：2014-05-15

Applicant: LG ELECTRONICS INC.

Inventor： Jaeho HWANG ,  Byounggill KIM ,  Woochan KIM ,  Jaehyung KIM ,  Sungryong HONG ,  Chulkyu MUN ,  Jinyong CHOI ,  Jongseob BAEK ,  Kookyeon KWAK ,  Woosuk KO

IPC: H04W72/00 ,  H04L5/00 ,  H04W4/06

CPC classification number: H04W72/005 ,  H04H20/71 ,  H04L5/0007 ,  H04L5/0044 ,  H04N21/236 ,  H04N21/434 ,  H04W4/06

Abstract: The present invention provides a method for transmitting broadcast signal. The method for transmitting a broadcast signal according to the present invention comprises the steps of: demultiplexing at least one input stream into a plurality of DPs (Data Pipes) wherein the step of demultiplexing includes the steps of dividing the input stream into a plurality of DPs in which data of the plurality of DPs include one or more consecutive input packets, segmenting the data of the plurality of DPs into data units each having the same length as that of a payload of a BB frame, cyclic-shifting the input packets of the divided data, allocating the cyclic-shifted input packets to the payload of the BB frame, and inserting a header before the payload of the BB frame; and processing and transmitting the data of the plurality of DPs per DP.

Abstract translation: 本发明提供一种发送广播信号的方法。 根据本发明的用于发送广播信号的方法包括以下步骤：将至少一个输入流解复用为多个DP（数据管道），其中解复用步骤包括以下步骤：将输入流划分为多个DP 其中所述多个DP的数据包括一个或多个连续输入分组，将所述多个DP的数据分段成每个具有与BB帧的有效载荷相同的长度的数据单元，循环移位所述输入分组的输入分组 将循环移位的输入分组分配给BB帧的有效载荷，并在BB帧的有效载荷之前插入报头; 并且每DP处理和发送多个DP的数据。

公开(公告)号：US20150256291A1

公开(公告)日：2015-09-10

申请号：US14635458

申请日：2015-03-02

Applicant: LG ELECTRONICS INC.

Inventor： Jongwoong SHIN ,  Jinwoo KIM ,  Woosuk KO ,  Jaeho HWANG ,  Sungryong HONG

IPC: H04L1/00 ,  H04L27/26

CPC classification number: H04L1/0041 ,  H04H20/423 ,  H04H20/72 ,  H04H60/11 ,  H04L1/0042 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0065 ,  H04L1/0071 ,  H04L1/0072 ,  H04L1/0075 ,  H04L5/0007 ,  H04L5/0053 ,  H04L12/189 ,  H04L27/2602 ,  H04L27/2613 ,  H04L27/2627 ,  H04L27/2649 ,  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 input formatter for input formatting each data stream divided into a plurality of data transmission path, a generator for generating each of first signaling data and second signaling data, wherein the first signaling data and the second signaling data are processed respectively, wherein the first signaling data includes first information for the second signaling data and the second signaling data includes second information for at least one the data transmission path, wherein the second signaling data includes a static data and a dynamic data, an encoder for encoding, wherein the encoder processing: first encoding service data corresponding to each of the plurality of data transmission path, wherein each of the data transmission path carries at least one service component, second encoding the first signaling data and third encoding the second signaling data, a frame builder for building signal frames, wherein each of signal frames includes the encoded service data and the encoded first signaling data and the encoded second signaling data, a modulator for modulating the signal frames by an OFDM (Orthogonal Frequency Division Multiplex) scheme and a transmitter for transmitting the broadcast signals carrying the modulated signal frames.

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，该装置包括用于输入格式化分割成多个数据传输路径的每个数据流的输入格式化器，用于产生每个第一信令数据和第二信令数据的发生器，其中第一信令数据和第二信令数据 信令数据被分别处理，其中第一信令数据包括用于第二信令数据的第一信息，第二信令数据包括用于至少一个数据传输路径的第二信息，其中第二信令数据包括静态数据和动态数据， 一种用于编码的编码器，其中所述编码器处理：对与所述多个数据传输路径中的每一个相对应的服务数据进行第一编码，其中所述数据传输路径中的每一个传送至少一个服务组件，对所述第一信令数据进行第二编码， 信令数据，用于建立信号帧的帧构建器，其中 每个信号帧包括编码的服务数据和编码的第一信令数据和编码的第二信令数据，用于通过OFDM（正交频分复用）方案来调制信号帧的调制器和用于发送携带调制的广播信号的发射机 信号帧。

公开(公告)号：US20150229443A1

公开(公告)日：2015-08-13

申请号：US14616218

申请日：2015-02-06

Applicant: LG ELECTRONICS INC.

Inventor： Jaeho HWANG ,  Woosuk KO ,  Sungryong HONG

IPC: H04L1/00 ,  H04L1/06 ,  H04L5/22 ,  H04L27/26

CPC classification number: H04L1/0083 ,  H04L1/0057 ,  H04L1/0061 ,  H04L1/0064 ,  H04L1/0071 ,  H04L1/0618 ,  H04L5/0044 ,  H04L5/0053 ,  H04L27/2602 ,  H04L27/2626 ,  H04L27/2647

Abstract: Disclosed is an apparatus for transmitting a broadcast signal including: an input formatter module configured to de-multiplex an input stream into at least one data pipe (DP); a BICM module configured to perform error correction on data of the at least one DP; a frame building module configured to generate a signal frame including the data of the DP; and an OFDM generation module configured to generate a transmission signal by inserting a preamble into the signal frame and performing OFDM modulation thereon.

Abstract translation: 公开了一种用于发送广播信号的装置，包括：输入格式化器模块，被配置为将输入流解复用为至少一个数据管道（DP）; 配置为对所述至少一个DP的数据执行纠错的BICM模块; 帧建立模块，被配置为生成包括所述DP的数据的信号帧; 以及OFDM生成模块，被配置为通过将前导码插入到信号帧中并在其上执行OFDM调制来生成发送信号。