公开(公告)号：US09438388B2

公开(公告)日：2016-09-06

申请号：US14549262

申请日：2014-11-20

Applicant: LG Electronics Inc.

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

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

CPC classification number: H04L5/0007 ,  H04L1/0042 ,  H04L1/0048 ,  H04L1/0057 ,  H04L1/0061 ,  H04L1/0065 ,  H04L1/0068 ,  H04L1/0071 ,  H04L1/06 ,  H04L5/0053 ,  H04L27/2602 ,  H04L27/2627 ,  H04L27/2649 ,  H04L27/2656 ,  H04L2001/0093

Abstract: Provided is a method for transmitting a broadcast signal, including: formatting input streams into multiple data pipes (DPs); encoding data of the multiple DPs for each DP; generating at least one signal frames by mapping the encoded data; and modulating data of the generated signal frame using an orthogonal frequency division multiplexing (OFDM) scheme and transmitting a broadcast signal comprising the modulated data of the signal frame, wherein the signal frame includes a preamble, a PLS (Physical Layer Signaling) and EAC (Emergency Alert Channel), the preamble and the PLS include EAC flag information indicating whether there exists EAC in the signal frame, and when the EAC flag information indicates that there exists EAC in the current frame, the PLS further comprises EAC length information, and when the EAC flag information indicates that there doesn't exist EAC in the current frame, the PLS further comprises control information related to EAC transmission.

Abstract translation: 提供了一种用于发送广播信号的方法，包括：将输入流格式化成多个数据管道（DP）; 编码每个DP的多个DP的数据; 通过映射编码数据来产生至少一个信号帧; 以及使用正交频分复用（OFDM）方式调制所生成的信号帧的数据，并发送包括所述信号帧的调制数据的广播信号，其中所述信号帧包括前置码，PLS（物理层信令）和EAC（ 紧急报警信道），前导码和PLS包括指示信号帧中是否存在EAC的EAC标志信息，当EAC标志信息表示当前帧中存在EAC时，PLS还包括EAC长度信息，当 EAC标志信息表示当前帧中不存在EAC，PLS还包括与EAC传输相关的控制信息。

公开(公告)号：US20160227271A1

公开(公告)日：2016-08-04

申请号：US15026539

申请日：2014-10-01

Applicant: LG ELECTRONICS INC.

Inventor： Sejin Oh ,  Woosuk Ko ,  Sungryong Hong ,  Woosuk Kwon ,  Kyoungsoo Moon ,  Jangwon Lee

IPC: H04N21/434 ,  H04N21/462 ,  H04N21/81 ,  H04N21/2362

CPC classification number: H04N21/4345 ,  H04N21/23614 ,  H04N21/2362 ,  H04N21/2365 ,  H04N21/2368 ,  H04N21/4341 ,  H04N21/4347 ,  H04N21/4348 ,  H04N21/4622 ,  H04N21/816

Abstract: A broadcast reception device is disclosed. A broadcast reception unit receives a broadcast signal. And a control unit obtains a broadcast service signaling table that signals a broadcast service on the basis of the broadcast signal and obtains information on a first media component that the broadcasts service includes on the basis of the signaling table.

Abstract translation: 公开了广播接收装置。 广播接收单元接收广播信号。 并且控制单元获得基于广播信号对广播服务进行信号的广播服务信令表，并且基于信令表获得关于广播服务包括的第一媒体组件的信息。

公开(公告)号：US20160218906A1

公开(公告)日：2016-07-28

申请号：US14837729

申请日：2015-08-27

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob BAEK ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L27/26 ,  H04L1/00

CPC classification number: H04L27/2649 ,  H03M13/09 ,  H03M13/1165 ,  H03M13/152 ,  H03M13/255 ,  H03M13/271 ,  H03M13/2721 ,  H03M13/2732 ,  H03M13/2778 ,  H03M13/2792 ,  H03M13/2906 ,  H04L1/0041 ,  H04L1/0048 ,  H04L1/0057 ,  H04L1/0071 ,  H04L5/0048 ,  H04L12/189 ,  H04L27/2613 ,  H04L27/2626 ,  H04L27/2647 ,  H04L27/2675 ,  H04L69/22 ,  H04L69/323 ,  H04L2001/0093

Abstract: A broadcast signal receiver is disclosed. A broadcast signal receiver according to the present invention comprises a synchronization/demodulation module carrying out signal detection and OFDM demodulation on a received broadcast signal; a frame parsing and deinterleaving module parsing and deinterleaving a signal frame of the broadcast signal; a demapping and decoding module converting data of at least one Physical Layer Pipe (PLP) of the broadcast signal into a bit domain and performing FEC decoding on the converted data; and an output processing module receiving data of the at least one PLP and outputting the received data into a data stream.

Abstract translation: 公开了广播信号接收机。 根据本发明的广播信号接收机包括对所接收的广播信号执行信号检测和OFDM解调的同步/解调模块; 帧分析和解交织模块解析和解交织广播信号的信号帧; 解映射和解码模块，将广播信号的至少一个物理层管道（PLP）的数据转换成位域并对转换的数据执行FEC解码; 以及输出处理模块，其接收所述至少一个PLP的数据并将所接收的数据输出到数据流中。

公开(公告)号：US09337956B2

公开(公告)日：2016-05-10

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: H04L17/00 ,  H04L1/00 ,  H04L27/26 ,  H04L5/00

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：US20160112230A1

公开(公告)日：2016-04-21

申请号：US14969749

申请日：2015-12-15

Applicant: LG Electronics Inc.

Inventor： Jongseob Baek ,  Jongwoong Shin ,  Jaehyung Kim ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L27/26

CPC classification number: H04L27/2602 ,  H03M13/09 ,  H03M13/1102 ,  H03M13/152 ,  H03M13/255 ,  H03M13/27 ,  H03M13/271 ,  H03M13/2742 ,  H03M13/2778 ,  H03M13/2906 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0071 ,  H04L1/0083 ,  H04L5/0053 ,  H04L27/2605 ,  H04L27/2626 ,  H04L27/2627 ,  H04L27/2634 ,  H04L27/265 ,  H04L2001/0093

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

公开(公告)号：US09294322B2

公开(公告)日：2016-03-22

申请号：US14444660

申请日：2014-07-28

Applicant: LG ELECTRONICS INC.

Inventor： Jaeho Hwang ,  Sungryong Hong ,  Woosuk Ko

IPC: H04L27/26 ,  H04H40/00 ,  H04H20/42

CPC classification number: H04L27/2627 ,  H04H20/42 ,  H04H40/00 ,  H04L1/0057 ,  H04L5/0023 ,  H04L5/0044 ,  H04L27/2602 ,  H04L27/2605 ,  H04L27/2649

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The method for transmitting broadcast signals includes processing input streams into BB frames in PLPs; 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 method and transmitting the broadcast signals having the modulated data, wherein at least one of the BB frames includes a stuffing field and a first indicator describing whether the stuffing field is included in the BB 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将输入流处理成PLP中的BB帧; 编码PLP的数据; 通过映射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BB帧中的至少一个包括填充字段和描述填充字段是否包括在BB帧中的第一指示符。

公开(公告)号：US20150288491A1

公开(公告)日：2015-10-08

申请号：US14681672

申请日：2015-04-08

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob BAEK ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L5/00 ,  H04W72/00 ,  H04L27/26 ,  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 transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals, the apparatus comprises an encoder to encode service data corresponding to each of a plurality of physical paths, a time interleaver to the encoded service data in each physical path by a TI (Time Interleaving) block, wherein at least one virtual FEC block is ahead of FEC blocks in at least one TI block, wherein each TI block includes a variable number of FEC blocks of the encoded 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, a frame builder to build at least one signal frame including the time interleaved DP 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，该装置包括编码器，用于编码对应于多个物理路径中的每一个的服务数据，通过TI（时间交织）块对每个物理路径中的编码服务数据进行时间交织，其中至少 至少一个TI块中的一个虚拟FEC块位于FEC块之前，其中每个TI块包括经编码的服务数据的可变数量的FEC块，其中基于最大值定义所述至少一个虚拟FEC块的数量 TI块的FEC块的数量，构建器以构建包括时间交织的DP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）方案来调制内置的至少一个信号帧中的数据的调制器，以及 发送器，用于发送具有调制数据的广播信号。