公开(公告)号：US10015220B2

公开(公告)日：2018-07-03

申请号：US15077655

申请日：2016-03-22

Applicant: LG ELECTRONICS INC.

Inventor： Jangwon Lee ,  Minsung Kwak ,  Seungryul Yang ,  Kyoungsoo Moon ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L29/06 ,  H04L29/08

CPC classification number: H04L65/4076 ,  H04L65/40 ,  H04L65/602 ,  H04L67/14

Abstract: The present invention proposes a method of transmitting a broadcast signal. The method of transmitting the broadcast signal according to the present invention proposes a system capable of supporting a next-generation broadcast service in an environment that supports next-generation broadcasting using a terrestrial broadcast network and an Internet protocol network. In addition, the present invention proposes an efficient signaling scheme for both the terrestrial broadcasting network and the Internet protocol network in the environment that supports next-generation broadcasting.

公开(公告)号：US10009079B2

公开(公告)日：2018-06-26

申请号：US15703587

申请日：2017-09-13

Applicant: LG ELECTRONICS INC.

Inventor： Sangchul Moon ,  Woosuk Ko ,  Sungryong Hong ,  Jinwoo Kim ,  Jongwoong Shin

IPC: H04B7/02 ,  H04B7/04 ,  H04L5/00 ,  H04L1/00 ,  H04N7/08 ,  H04L27/26 ,  H04N21/236 ,  H04N21/2362 ,  H04N21/2381 ,  H04N21/2383 ,  H04N21/414 ,  H04N21/434 ,  H04N21/438 ,  H04N21/61 ,  H04B7/0413

CPC classification number: H04B7/0478 ,  H04B7/0413 ,  H04L1/0041 ,  H04L1/0047 ,  H04L1/0057 ,  H04L1/0063 ,  H04L5/0023 ,  H04L5/0053 ,  H04L5/0091 ,  H04L27/2601 ,  H04L27/2637 ,  H04L27/2646 ,  H04N7/08 ,  H04N21/23614 ,  H04N21/2362 ,  H04N21/2381 ,  H04N21/2383 ,  H04N21/41407 ,  H04N21/4345 ,  H04N21/4381 ,  H04N21/4382 ,  H04N21/6131 ,  H05K999/99

Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, encoding Data Pipe, DP, data according to a code rate, wherein the encoding further includes Low-Density Parity-Check, LDPC, encoding the DP data, Bit interleaving the LDPC 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 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：US09998316B2

公开(公告)日：2018-06-12

申请号：US15614109

申请日：2017-06-05

Applicant: LG Electronics Inc.

Inventor： Jongseob Baek ,  Byeongkook Jeong ,  Jaehyung Kim ,  Woosuk Ko ,  Sungryong Hong

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

CPC classification number: H04L27/265 ,  H03M13/00 ,  H03M13/152 ,  H03M13/255 ,  H03M13/27 ,  H03M13/2778 ,  H03M13/2906 ,  H04L1/0041 ,  H04L1/0058 ,  H04L1/0061 ,  H04L1/0071 ,  H04L1/0075 ,  H04L1/04 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/0044 ,  H04L5/0053 ,  H04L27/2602 ,  H04L27/2607 ,  H04L27/2626 ,  H04L27/2627 ,  H04L27/2647 ,  H04L27/2649 ,  H04L2001/0093

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

公开(公告)号：US09979987B2

公开(公告)日：2018-05-22

申请号：US15116450

申请日：2015-10-12

Applicant: LG ELECTRONICS INC.

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

IPC: H04L12/28 ,  H04N21/2362 ,  H04N21/43 ,  H04N21/2385 ,  H04N21/64 ,  H04N21/643 ,  H04N21/2343 ,  H04N21/845 ,  H04N21/8543 ,  H04H60/73

CPC classification number: H04N21/2362 ,  H04H60/73 ,  H04N21/23439 ,  H04N21/2385 ,  H04N21/43 ,  H04N21/64 ,  H04N21/64322 ,  H04N21/8456 ,  H04N21/8543

Abstract: The present invention proposes a method for transmitting a broadcast signal. The method for transmitting a broadcast signal according to the present invention proposes a system capable of supporting next-generation broadcast service in an environment supporting a next-generation hybrid broadcast which uses a terrestrial broadcasting network and an internet network. Also, the present invention proposes an efficient signaling method which can encompass both the terrestrial broadcasting network and the internet network in an environment supporting next-generation hybrid broadcast.

公开(公告)号：US20180115450A1

公开(公告)日：2018-04-26

申请号：US15800989

申请日：2017-11-01

Applicant: LG Electronics Inc.

Inventor： Sangchul Moon ,  Woosuk Ko ,  Sungryong Hong ,  Jinwoo Kim ,  Jongwoong Shin

IPC: H04L27/26 ,  H04L1/00 ,  H04H20/30 ,  H04N21/434 ,  H04N21/2383 ,  H04N21/2362 ,  H03M13/00 ,  H04N21/438

CPC classification number: H04L27/2627 ,  H03M13/616 ,  H04H20/30 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0061 ,  H04L27/2649 ,  H04N21/2362 ,  H04N21/2383 ,  H04N21/4345 ,  H04N21/4382

Abstract: The present invention provides a method of transmitting broadcast signals, the method including, encoding service data, building at least one signal frame by mapping the encoded service data, modulating data in the built at least one signal frame by an Orthogonal Frequency Division Multiplexing, OFDM, scheme and transmitting the broadcast signals having the modulated data.

公开(公告)号：US09954554B2

公开(公告)日：2018-04-24

申请号：US15199177

申请日：2016-06-30

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob Baek ,  Seoyoung Back ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L1/02 ,  H03M13/27 ,  H04L1/00 ,  H04B7/06 ,  H04B7/04 ,  H04L27/26 ,  H04L29/06 ,  H03M13/11 ,  H04B7/0413

CPC classification number: H03M13/2792 ,  H03M13/1102 ,  H04B7/0413 ,  H04B7/046 ,  H04B7/0606 ,  H04L1/0041 ,  H04L1/0042 ,  H04L1/0048 ,  H04L1/0057 ,  H04L1/0071 ,  H04L1/0083 ,  H04L1/08 ,  H04L27/2649 ,  H04L65/4076 ,  H04L2001/0093

Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, formatting, by an input formatting block, input streams into plural PLPs (Physical Layer Pipes); encoding, by an encoder, data in the plural PLPs; processing, by a framing and interleaving block, the encoded data in the plural PLPs to output at least one signal frame; and waveform modulating, by a waveform generation block, data in the at least one signal frame and transmitting, by the waveform generation block, broadcast signals having the waveform modulated data.

公开(公告)号：US09948986B2

公开(公告)日：2018-04-17

申请号：US15312525

申请日：2015-06-09

Applicant: LG ELECTRONICS INC.

Inventor： Minsung Kwak ,  Seungryul Yang ,  Kyoungsoo Moon ,  Woosuk Ko ,  Sungryong Hong

IPC: H04N21/236 ,  H04N21/472 ,  H04N21/43

CPC classification number: H04N21/472 ,  H04L1/004 ,  H04N21/235 ,  H04N21/2362 ,  H04N21/2541 ,  H04N21/25808 ,  H04N21/26283 ,  H04N21/4147 ,  H04N21/43 ,  H04N21/64322 ,  H04N21/6547 ,  H04N21/8166 ,  H04N21/84

Abstract: One embodiment of the present invention provides service guide information transmission and reception methods and devices. The service guide information transmission method according to the one embodiment of the present invention comprises the steps of: generating service guide information including information on broadcast services and content; encoding the generated service guide information; and transmitting the encoded service guide information.

公开(公告)号：US09935744B2

公开(公告)日：2018-04-03

申请号：US14750018

申请日：2015-06-25

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob Baek ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L1/02 ,  H04L5/00 ,  H04B7/0413 ,  H04L27/26 ,  H04L1/00

CPC classification number: H04L5/0023 ,  H04B7/0413 ,  H04L1/0041 ,  H04L1/0058 ,  H04L1/0071 ,  H04L27/2602 ,  H04L27/2626 ,  H04L27/2627 ,  H04L27/2637 ,  H04L27/2647 ,  H04W4/06

Abstract: A method and an apparatus for transmitting 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, wherein the signal frame includes at least one service data, a time deinterleaver to time deinterleave each the service data, wherein the time deinterleaving is performed depending on a number of physical paths for each the service data, a demapper to demap the time deinterleaved data and a decoder to decode the demapped service data.

公开(公告)号：US09930383B2

公开(公告)日：2018-03-27

申请号：US14904892

申请日：2014-08-01

Applicant: LG ELECTRONICS INC.

Inventor： Sanchul Moon ,  Woosuk Ko ,  Sungryong Hong ,  Jinwoo Kim ,  Jongwoong Shin

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

CPC classification number: H04N21/2362 ,  H03M13/1148 ,  H03M13/2792 ,  H03M13/616 ,  H04B7/0456 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0058 ,  H04L1/0061 ,  H04L1/0071 ,  H04L5/0007 ,  H04L27/2601 ,  H04L27/2627 ,  H04L27/2649 ,  H04N21/23614 ,  H04N21/2381 ,  H04N21/2383 ,  H04N21/41407 ,  H04N21/4345 ,  H04N21/4381 ,  H04N21/4382 ,  H04N21/6131

Abstract: The present invention provides an apparatus of transmitting broadcast signals, the apparatus including, an encoder for encoding service data, a frame builder for building at least one signal frame by mapping the encoded service data, a modulator for modulating data in the built at least one signal frame by an Orthogonal Frequency Division Multiplexing, OFDM, scheme and a transmitter for transmitting the broadcast signals having the modulated data.

公开(公告)号：US20180076997A1

公开(公告)日：2018-03-15

申请号：US15660480

申请日：2017-07-26

Applicant: LG ELECTRONICS INC.

Inventor： Jaeho HWANG ,  Sungryong Hong ,  Woosuk Ko

IPC: H04L27/26 ,  H04H20/42 ,  H04L5/00 ,  H04L1/00 ,  H04H40/00

CPC classification number: H04L27/2627 ,  H04H20/42 ,  H04H40/00 ,  H04L1/0057 ,  H04L1/0071 ,  H04L1/0083 ,  H04L1/0625 ,  H04L5/0023 ,  H04L5/0044 ,  H04L27/2602 ,  H04L27/2605 ,  H04L27/2649 ,  H04L2001/0093

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.