公开(公告)号：US09485110B2

公开(公告)日：2016-11-01

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 ,  H04W4/22 ,  H04L27/26

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：US09294247B2

公开(公告)日：2016-03-22

申请号：US14322421

申请日：2014-07-02

Applicant: LG Electronics Inc.

Inventor： Jinwoo Kim ,  Jaehyung Kim ,  Sungryong Hong ,  Jaeho Hwang ,  Jongwoong Shin ,  Woosuk Ko

IPC: H04L5/00 ,  H04L27/26 ,  H04L1/00 ,  H04N5/00 ,  H04N5/067

CPC classification number: H04L27/2602 ,  H03M13/09 ,  H03M13/1102 ,  H03M13/152 ,  H04L1/0013 ,  H04L1/0041 ,  H04L1/0042 ,  H04L1/0045 ,  H04L1/0058 ,  H04L1/0061 ,  H04L1/0064 ,  H04L1/0068 ,  H04L1/0071 ,  H04L5/0023 ,  H04L5/0053 ,  H04L27/2601 ,  H04N5/00 ,  H04N5/067

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 corresponding to each of a plurality of data transmission units, an encoder for encoding physical signaling data by a shortening scheme and a puncturing scheme, a mapper for mapping the encoded service data onto constellations, a frame builder for building at least one signal frame including preamble data, a modulator for modulating the at least one signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme, a transmitter for transmitting the broadcast signals carrying the at least one modulated signal 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装置包括用于对与多个数据传输单元中的每一个对应的服务数据进行编码的编码器，用于通过缩短方案对打印物理信令数据进行编码的编码器和打孔方法，用于将经编码的服务数据映射到星座上的映射器 ，用于构建包括前导码数据的至少一个信号帧的帧构建器，用于通过OFDM（正交频分复用）方案来调制所述至少一个信号帧的调制器，用于发送携带所述至少一个调制信号的广播信号的发射机 帧。

公开(公告)号：US09246730B2

公开(公告)日：2016-01-26

申请号：US14307004

申请日：2014-06-17

Applicant: LG ELECTRONICS INC.

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

IPC: H04L23/02 ,  H04L27/06 ,  H04L27/26 ,  H04L1/00

CPC classification number: H03M13/2792 ,  H03M13/1102 ,  H04L1/0041 ,  H04L1/0042 ,  H04L1/0045 ,  H04L1/0048 ,  H04L1/0057 ,  H04L1/0058 ,  H04L1/0071 ,  H04L1/0083 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/0048 ,  H04L27/2613 ,  H04L27/2627 ,  H04L2001/0093

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The method for transmitting broadcast signals includes encoding DP data according to a code rate, wherein the encoding further includes LDPC encoding the DP data according to the code rate, bit interleaving the LDPC encoded DP data, mapping the bit interleaved DP data onto constellations, MIMO (Multi Input Multi Output) encoding the mapped DP data, and time interleaving the MIMO encoded DP data; building at least one signal frame by arranging the encoded DP data; and modulating data in the built signal frame by OFDM method and transmitting the broadcast signals having the modulated data, wherein the step of modulating includes inserting CPs in the built signal frame based on a CP set which includes information about locations of CPs, wherein the CP set is defined based on FFT size.

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根据码率对DP数据进行编码，其中编码还包括根据码率对DP数据进行LDPC编码，对LDPC编码的DP数据进行比特交织，将位交织的DP数据映射到星座，MIMO （多输入多输出）编码映射的DP数据，以及对MIMO编码的DP数据进行时间交织; 通过布置编码的DP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，其中调制步骤包括基于包括关于CP位置的信息的CP集合在内建信号帧中插入CP，其中CP 基于FFT大小定义集合。

公开(公告)号：US09240862B2

公开(公告)日：2016-01-19

申请号：US14548956

申请日：2014-11-20

Applicant: LG Electronics Inc.

Inventor： Jinwoo Kim ,  Jongwoong Shin ,  Woosuk Ko ,  Jaeho Hwang ,  Sungryong Hong

IPC: H04L27/00 ,  H04L1/00 ,  H04L27/26 ,  H04H20/72 ,  H04H60/07 ,  H04L5/00

CPC classification number: H04L27/2602 ,  H03M13/1102 ,  H03M13/1165 ,  H03M13/152 ,  H03M13/255 ,  H03M13/271 ,  H03M13/2778 ,  H03M13/2906 ,  H03M13/6356 ,  H03M13/6362 ,  H04H20/72 ,  H04H60/07 ,  H04L1/0041 ,  H04L1/0042 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0058 ,  H04L1/0071 ,  H04L5/0007 ,  H04L5/0048 ,  H04L5/0053 ,  H04L27/2627 ,  H04L27/2649 ,  H04L69/324 ,  H04L2001/0093

Abstract: A method and an apparatus for transmitting broadcast signals thereof. The apparatus comprises an encoder for encoding service data corresponding to each of a plurality of data transmission path, wherein each of the data transmission path carries at least one service component for broadcast services, an encoder for encoding signaling data, wherein the signaling data includes static data and dynamic data, a frame builder for building signal frames, wherein each of signal frames includes the encoded service data and the encoded signaling data, wherein each of signal frames belongs to one of the broadcast services, wherein the static data remain constant in the signal frames belonging to the broadcast service in a duration of a super frame and the dynamic data changes by the signal frames, 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: 一种用于发送其广播信号的方法和装置。 该装置包括编码器，用于对与多个数据传输路径中的每一个相对应的服务数据进行编码，其中数据传输路径中的每一个传送用于广播服务的至少一个服务组件，用于编码信令数据的编码器，其中信令数据包括静态 数据和动态数据，用于构建信号帧的帧构建器，其中每个信号帧包括编码的服务数据和编码的信令数据，其中每个信号帧属于广播服务之一，其中静态数据在 在超帧的持续时间内属于广播服务的信号帧，并且动态数据由信号帧改变，用于通过OFDM（正交频分复用）方案调制信号帧的调制器和用于发送携带 调制信号帧。

公开(公告)号：US09215038B2

公开(公告)日：2015-12-15

申请号：US14540519

申请日：2014-11-13

Applicant: LG ELECTRONICS INC.

Inventor： Jongwoong Shin ,  Jinwoo Kim ,  Woosuk Ko ,  Jaeho Hwang ,  Sungryong Hong

IPC: H04K1/10 ,  H04L1/00 ,  H04L27/26 ,  H04L1/06 ,  H04H20/33 ,  H04H20/42 ,  H04H20/59

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：US20150155981A1

公开(公告)日：2015-06-04

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

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：US20150085951A1

公开(公告)日：2015-03-26

申请号：US14495249

申请日：2014-09-24

Applicant: LG Electronics Inc.

Inventor： Jongwoong Shin ,  Jinwoo Kim ,  Woosuk Ko ,  Jaeho Hwang ,  Sungryong Hong

IPC: H04L27/26 ,  H04L1/00

CPC classification number: H04L27/2627 ,  H04B7/0413 ,  H04B7/10 ,  H04L1/0057 ,  H04L1/0068 ,  H04L1/0071 ,  H04L1/0072 ,  H04L5/0007 ,  H04L27/2626 ,  H04L27/2647 ,  H04L27/2649 ,  H04N5/00 ,  H04N5/067 ,  H04N5/4401 ,  H04N21/23611 ,  H04N21/2383 ,  H04N21/4348 ,  H04N21/4382

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals, the apparatus comprises an encoder for encoding service data corresponding to each of a plurality of data transmission path, wherein each of the data transmission path carries at least one service component, an encoder for encoding signaling data, a frame builder for building at least one signal frame including the encoded service data, a modulator for modulating the at least one signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme and a transmitter for transmitting the broadcast signals carrying the at least one modulated signal 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装置，该装置包括用于对与多个数据传输路径中的每一个对应的服务数据进行编码的编码器，其中数据传输路径中的每一个传送至少一个服务组件，编码信令数据的编码器， 构建器，用于构建包括编码服务数据的至少一个信号帧，用于通过OFDM（正交频分复用）方案调制至少一个信号帧的调制器和用于发送携带至少一个调制信号帧的广播信号的发射机 。

公开(公告)号：US20140341103A1

公开(公告)日：2014-11-20

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: H04W72/00 ,  H04L5/00

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.

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输入格式化器，用于格式化至少一个输入流以输出对应于多个DP中的每一个的DP（数据管道）数据，其中多个DP中的每一个携带至少一个服务或至少 一个服务组件，用于对DP数据进行编码的编码器，映射器将编码的DP数据映射到星座上，时间交织器对时间交织映射的DP数据;帧构建器，用于构建至少一个信号帧，包括时间交织的DP数据 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，以及发送器，用于发送具有调制数据的广播信号。