公开(公告)号：US09674021B2

公开(公告)日：2017-06-06

申请号：US14559213

申请日：2014-12-03

Applicant: LG ELECTRONICS INC.

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

IPC: G06F11/00 ,  H04L27/26 ,  H04L1/00 ,  G06F11/10 ,  H04L5/00 ,  H04L12/18

CPC classification number: H04L27/265 ,  G06F11/10 ,  H04L1/00 ,  H04L1/0041 ,  H04L1/0071 ,  H04L1/0075 ,  H04L5/0064 ,  H04L12/18 ,  H04L27/26 ,  H04L27/2611 ,  H04L27/2613 ,  H04L27/2646 ,  H04L27/2649 ,  H04L27/2655

Abstract: Disclosed is an apparatus for transmitting a broadcast signal, including: an input formatting module configured to demultiplex an input stream into at least one Data Pipe (DP); a BICM (Bit Interleaved Coding and Modulation) module configured to perform error correction processing on data of the DP; a frame building module configured to map the data of the DP to symbols within a frame; an OFDM generation module configured to generate a transmission signal by inserting a preamble into the frame and performing OFDM modulation; and a transmission parameter control module configured to set at least one transmission parameter and control transmission signal processing of the frame building module and the OFDM generation module.

公开(公告)号：US09668239B2

公开(公告)日：2017-05-30

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: H04H20/71 ,  H04W72/00 ,  H04W4/06 ,  H04L5/00 ,  H04N21/236 ,  H04N21/434

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.

公开(公告)号：US09628973B2

公开(公告)日：2017-04-18

申请号：US14454289

申请日：2014-08-07

Applicant: LG ELECTRONICS INC.

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

IPC: H04B7/02 ,  H04L1/02 ,  H04W4/22 ,  H03M13/11 ,  H03M13/27 ,  H04B7/0413 ,  H04L27/26 ,  H04W4/06 ,  H03M13/25 ,  H03M13/29 ,  H03M13/00 ,  H04L12/18 ,  H03M13/09 ,  H03M13/15

CPC classification number: H04W4/90 ,  H03M13/09 ,  H03M13/1165 ,  H03M13/1177 ,  H03M13/152 ,  H03M13/255 ,  H03M13/27 ,  H03M13/2792 ,  H03M13/2906 ,  H03M13/6356 ,  H03M13/6362 ,  H04B7/0413 ,  H04L5/0007 ,  H04L12/189 ,  H04L27/2601 ,  H04L27/2627 ,  H04W4/06 ,  H04W52/0229 ,  H04W76/27 ,  Y02D70/00

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The method for transmitting broadcast signals includes encoding data of PLPs (Physical Layer Pips); 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：US09609628B2

公开(公告)日：2017-03-28

申请号：US14278431

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 ,  Jonbseob Baek ,  Kookyeon Kwak ,  Woosuk Ko

IPC: H04H20/71 ,  H04W72/00 ,  H04L5/00 ,  H04L29/06 ,  H04L27/26 ,  H04H20/72 ,  H04L1/00 ,  H04L1/06 ,  H04W28/06

CPC classification number: H04W72/005 ,  H04H20/72 ,  H04L1/0033 ,  H04L1/0036 ,  H04L1/0057 ,  H04L1/0065 ,  H04L1/0068 ,  H04L1/0071 ,  H04L1/06 ,  H04L5/0007 ,  H04L27/2601 ,  H04L69/04 ,  H04W28/06

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals comprises an input formatter to format at least one input stream to output DP (Data Pipe) data corresponding to each of a plurality of DPs, wherein the each of a plurality of DPs carries at least one service or at least one service component, an encoder to encode the DP data, a mapper to map the encoded DP data onto constellations, a time interleaver to time interleave the mapped DP data, 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.

公开(公告)号：US09577861B2

公开(公告)日：2017-02-21

申请号：US14759604

申请日：2014-05-09

Applicant: LG ELECTRONICS INC.

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

IPC: H04H20/71 ,  H04L27/26 ,  H04L1/00 ,  H04L27/34 ,  H04B7/04 ,  H03M13/11 ,  H03M13/15 ,  H03M13/27 ,  H03M13/29

CPC classification number: H04L27/2637 ,  H03M13/1165 ,  H03M13/152 ,  H03M13/27 ,  H03M13/2906 ,  H04B7/0413 ,  H04H20/71 ,  H04L1/0009 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0054 ,  H04L1/0063 ,  H04L1/0064 ,  H04L1/0071 ,  H04L27/2626 ,  H04L27/2647 ,  H04L27/3494

Abstract: The present invention provides a method for transmitting a broadcast signal. The method for transmitting the broadcast signal according to the present invention may comprise the steps of: formatting input streams into multiple data pipes (DPs); encoding data of the multiple DPs according to a code rate for each DP; generating at least one signal frame by mapping the encoded data of the multiple DPs; and modulating data of the generated signal frame in an orthogonal frequency division multiplexing (OFDM) scheme, and transmitting the broadcast signal including data of the modulated signal frame.

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可以包括以下步骤：将输入流格式化成多个数据管道（DP）; 根据每个DP的码率对多个DP进行编码数据; 通过映射所述多个DP的编码数据来生成至少一个信号帧; 并以正交频分复用（OFDM）方式调制所生成的信号帧的数据，并发送包括调制信号帧的数据的广播信号。

公开(公告)号：US09571240B2

公开(公告)日：2017-02-14

申请号：US14549126

申请日：2014-11-20

Applicant: LG ELECTRONICS INC.

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

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

CPC classification number: H04L27/2613 ,  H04L1/0057 ,  H04L1/0065 ,  H04L1/0071 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/0048 ,  H04L27/2628 ,  H04L2001/0093 ,  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 information for a size of Fast Fourier Transform (FFT), a guard interval and a pilot mode, wherein the preamble includes two OFDM symbols, and wherein each of the two OFDM symbols in the preamble includes information for an emergency alert.

Abstract translation: 本发明提供一种发送广播信号的方法。 该方法包括编码物理层管道（PLP）的服务数据; 编码服务数据; 构建包括所述位交织的服务数据的至少一个信号帧; 以及通过正交频分复用（OFDM）方法调制所述至少一个信号帧中的数据; 在所述调制步骤之后的所述至少一个信号帧的每个的开始处插入前导码; 并且发送具有调制数据的广播信号，其中前导码包括用于快速傅里叶变换（FFT），保护间隔和导频模式的大小的信息，其中前导码包括两个OFDM符号，并且其中两个OFDM符号 在前序部分中包括用于紧急警报的信息。

公开(公告)号：US20160261447A1

公开(公告)日：2016-09-08

申请号：US15153282

申请日：2016-05-12

Applicant: LG Electronics Inc.

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

IPC: H04L27/26 ,  H04L5/00 ,  H04L1/00 ,  H04J13/00 ,  H04B7/04 ,  H04L29/06 ,  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。

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。