公开(公告)号：US20180176062A1

公开(公告)日：2018-06-21

申请号：US15900280

申请日：2018-02-20

Applicant: LG ELECTRONICS INC.

Inventor： Jaeho Hwang ,  Woosuk Ko ,  Sungryong Hong

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

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 apparatus for receiving broadcast signals are discussed. The method includes receiving the broadcast signals; demodulating the received broadcast signals by an Orthogonal Frequency Division Multiplex (OFDM) scheme; obtaining broadcast data from a signal frame in the demodulated broadcast signals, wherein the broadcast data includes video data or audio data, and the broadcast data is carried by only a Data Pipe (DP); decoding the broadcast data; and output-processing the decoded broadcast data to output a data packet, wherein the data packet includes a Transport Stream (TS) packet, wherein a header of the data packet includes first information indicating whether a header deletion is performed in the TS packet, wherein the header of the data packet further includes second information indicating whether a null packet deletion is performed, and wherein when the second information is not a zero value, the null packet is deleted prior to the data packet.

公开(公告)号：US20170279649A1

公开(公告)日：2017-09-28

申请号：US15619100

申请日：2017-06-09

Applicant: LG Electronics Inc.

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

IPC: H04L27/26 ,  H04L1/00 ,  H04L5/00 ,  H04N21/236 ,  H04N21/2383 ,  H04N21/434 ,  H04N21/438 ,  H04N5/00 ,  H04N5/067 ,  H04N5/44 ,  H04B7/0413 ,  H04B7/10

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.

公开(公告)号：US09729372B2

公开(公告)日：2017-08-08

申请号：US14693140

申请日：2015-04-22

Applicant: LG ELECTRONICS INC.

Inventor： Jaeho Hwang ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L27/26 ,  H04L5/00

CPC classification number: H04L27/2627 ,  H04L1/0008 ,  H04L5/0053 ,  H04L27/2602 ,  H04N21/23611

Abstract: Disclosed is a method for transmitting a broadcast signal. The method comprises formatting input streams with multiple data transmission channels, and the formatting step comprises adding a header indicating a format of a payload of the BBF.

公开(公告)号：US09681421B2

公开(公告)日：2017-06-13

申请号：US14902106

申请日：2014-07-14

Applicant: LG ELECTRONICS INC.

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

IPC: H04W72/00 ,  H04L1/00 ,  H04N21/236 ,  H04N21/2362 ,  H04N21/2381 ,  H04N21/2383 ,  H04N21/414 ,  H04N21/434 ,  H04N21/438 ,  H04N21/61 ,  H04L27/26 ,  H04B7/0413 ,  H04L5/00

CPC classification number: H04W72/005 ,  H04B7/0413 ,  H04L1/0042 ,  H04L1/0048 ,  H04L1/0064 ,  H04L1/0071 ,  H04L1/0072 ,  H04L5/00 ,  H04L27/2627 ,  H04L2001/0093 ,  H04N21/23614 ,  H04N21/2362 ,  H04N21/2381 ,  H04N21/2383 ,  H04N21/41407 ,  H04N21/4345 ,  H04N21/4381 ,  H04N21/4382 ,  H04N21/6131

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals comprises an input formatter for input formatting one or more data streams into one or more service data, an encoder for encoding the service data, a mapper for mapping the encoded service data onto constellations, a time interleaver time interleaving the mapped service data, a frame builder for building at least one signal frame including the time interleaved service data, a modulator for modulating data in the built at least one signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme and a transmitter for transmitting the broadcast signals having the modulated data.

公开(公告)号：US09641370B2

公开(公告)日：2017-05-02

申请号：US14455079

申请日：2014-08-08

Applicant: LG ELECTRONICS INC.

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

IPC: H04K1/10 ,  H04L27/28 ,  H04L27/26 ,  H04L5/00

CPC classification number: H04L27/2602 ,  H04B7/0413 ,  H04L5/0053 ,  H04L27/2626 ,  H04L27/2627 ,  H04L27/2647 ,  H04L27/2649

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. An apparatus for transmitting broadcast signals 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, a mapper for mapping the encoded service data onto constellations, an encoder for encoding physical signaling data, a frame builder for building at least one signal frame including preamble data, the encoded physical signaling data, the mapped service data, wherein the preamble data is located before the encoded physical signaling data and the encoded physical signaling data is located before the mapped 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, wherein the broadcast signals includes channel information data, wherein the channel information data includes binding information between the service data and the data transmission path.

公开(公告)号：US09614642B2

公开(公告)日：2017-04-04

申请号：US14837957

申请日：2015-08-27

Applicant: LG ELECTRONICS INC.

Inventor： Jaeho Hwang ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L1/00 ,  H04L5/00 ,  H04L12/18 ,  H04L27/26 ,  H04L29/06 ,  H04H20/00

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 receiving broadcast signals thereof are disclosed. The apparatus for receiving broadcast signals, the apparatus comprises a receiver to receive the broadcast signals, a demodulator to demodulate the received broadcast signals by an OFDM (Orthogonal Frequency Division Multiplex) scheme, a frame parser to parse a signal frame from the demodulated broadcast signals, a decoder to decode data in the parsed signal frame and an output-processor to output-process the decoded data.

公开(公告)号：US09602888B2

公开(公告)日：2017-03-21

申请号：US14911414

申请日：2014-08-12

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/81 ,  H04N7/08 ,  H04N21/61 ,  H04N5/38 ,  H04N21/2383 ,  H04N21/438

CPC classification number: H04N21/814 ,  H04L69/22 ,  H04N5/38 ,  H04N7/08 ,  H04N21/2383 ,  H04N21/4382 ,  H04N21/6112 ,  H04N21/615

Abstract: The present invention relates to a broadcast signal transmitting apparatus for transmitting a broadcast signal, a broadcast signal receiving apparatus for receiving a broadcast signal, and a method for transmitting and receiving a broadcast signal. A broadcast signal transmitting method according to the present invention may comprise the steps of: encoding data pipe (DP) data corresponding to each of a plurality of DPs that transmit one or more service components; mapping the encoded DP data to data symbols to generate one or more signal frames; modulating data existing in the one or more signal frames through an OFDM scheme; and transmitting a broadcast signal having the modulated data.

公开(公告)号：US09515862B2

公开(公告)日：2016-12-06

申请号：US14618725

申请日：2015-02-10

Applicant: LG ELECTRONICS INC.

Inventor： Jaeho Hwang ,  Sungryong Hong ,  Woosuk Ko

IPC: H04L1/02 ,  H04L27/26 ,  H04L1/00 ,  H04L1/06 ,  H04L5/00

CPC classification number: H04L27/2627 ,  H04L1/0041 ,  H04L1/0057 ,  H04L1/0065 ,  H04L1/0071 ,  H04L1/0084 ,  H04L1/06 ,  H04L5/0044 ,  H04L27/2626 ,  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 input streams, wherein the input formatting includes a divider for dividing the input streams into each data transmission path including one or multiple service or service component, wherein each of the input streams includes at least one IP (Internet Protocol) packet having a variable length, wherein each IP packet includes a packet header and a packet payload, a compressor for compressing each the packet header, an encoder for encoding data in the each data transmission path, a frame builder for building at least one signal frame, wherein each the signal frame includes the encoded data and a signaling data and a modulator for modulating at least one of the signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme.

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输入流的输入格式化器，其中输入格式化包括用于将输入流分成包括一个或多个服务或服务组件的每个数据传输路径的分频器，其中每个输入 流包括具有可变长度的至少一个IP（因特网协议）分组，其中每个IP分组包括分组报头和分组有效载荷，用于压缩每个分组报头的压缩器，用于对每个数据传输路径中的数据进行编码的编码器， 用于构建至少一个信号帧的帧构建器，其中每个信号帧包括编码数据和用于通过OFDM（正交频分复用）方案来调制信号帧中的至少一个的信令数据和调制器。

公开(公告)号：US09503167B2

公开(公告)日：2016-11-22

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: H04K1/02 ,  H04B7/04 ,  H04L1/00 ,  H04L1/06 ,  H04L27/20 ,  H04B7/10

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.

公开(公告)号：US09491022B2

公开(公告)日：2016-11-08

申请号：US14962719

申请日：2015-12-08

Applicant: LG Electronics Inc.

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

IPC: H04L27/00 ,  H04L27/26 ,  H04L1/00 ,  H04H20/72 ,  H04H60/07 ,  H04L29/08 ,  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: An apparatus including an encoder for encoding service data corresponding to each of a plurality of data transmission path, 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，用于编码信令数据的编码器，其中所述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，其中信号帧中的每一个属于广播服务之一，其中静态数据在超帧的持续时间内属于广播服务的信号帧中保持不变，并且动态 信号帧的数据变化，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的广播信号的发射机。