公开(公告)号：US20190238160A1

公开(公告)日：2019-08-01

申请号：US16382073

申请日：2019-04-11

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: H03M13/27 ,  H04L5/00 ,  H04L1/00 ,  H04L27/26 ,  H03M13/11

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.

公开(公告)号：US10306278B2

公开(公告)日：2019-05-28

申请号：US15115875

申请日：2015-04-27

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/233 ,  H04N21/258 ,  H04N21/418 ,  H04N21/439 ,  H04N21/81 ,  H04N21/2362 ,  H04N21/41 ,  H04N21/45 ,  H04N21/462 ,  H04N21/234 ,  H04N21/235 ,  H04N21/472 ,  H04N21/2389 ,  H04N21/434 ,  H04N21/262 ,  H04N21/44 ,  H04N21/488 ,  H04N21/482

Abstract: The present invention provides a method for transmitting a broadcast signal. The method for transmitting a broadcast signal according to one embodiment of the present invention comprises: a step for generating service guide information, including access information of a broadcast service, and content data, wherein the service guide information includes a service fragment indicating the information on the broadcast service, a content fragment indicating the information on the content data, and/or a component fragment indicating the information on components included in the broadcast service; a step for encoding the generated service guide information and the content data; and a step for transmitting the encoded service guide information and the content data.

公开(公告)号：US10270638B2

公开(公告)日：2019-04-23

申请号：US15967237

申请日：2018-04-30

Applicant: LG ELECTRONICS INC.

Inventor： Jinyong Choi ,  Woosuk Ko ,  Sangchul Moon ,  Sungryong Hong

IPC: H04B7/06 ,  H04L27/26 ,  H04B7/0456 ,  H04B7/08 ,  H04H20/33 ,  H04B7/0413 ,  H04B7/10 ,  H04L1/06 ,  H04L1/00 ,  H04L5/00

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The method for transmitting broadcast signals, the method comprises encoding service data, encoding signaling data, MIMO (Multiple-Input and Multiple-Output) precoding the encoded service data, building at least one signal frame including the MIMO precoded service data and the encoded signaling data, modulating data in the built at least one signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme and transmitting the broadcast signals having the modulated data.

公开(公告)号：US10250426B2

公开(公告)日：2019-04-02

申请号：US15812063

申请日：2017-11-14

Applicant: LG ELECTRONICS INC.

Inventor： Jinyong Choi ,  Woosuk Ko ,  Sangchul Moon ,  Sungryong Hong

IPC: H04B7/10 ,  H04L27/26 ,  H04W4/06 ,  H04B7/0413 ,  H04L27/36 ,  H04L27/22 ,  H04L27/34 ,  H04L27/38

Abstract: A method for transmitting broadcast signals, the method includes encoding service data based on a code rate; mapping the encoded service data into constellations based on a modulation order; MIMO (Multi Input Multi Output) processing a pair of symbols of the mapped service data using MIMO precoding, wherein the MIMO precoding is based on at least one of phase-hopping matrix with a phase rotation angle and a rotation matrix with a rotation angle, wherein a value of the rotation angle depends on the modulation order and the code rate, and wherein when the modulation order is NUC 16 Quadrature Amplitude Modulation (QAM) and the code rate is one of 2/15, 3/15, 4/15, 5/15, the value of the rotation angle is zero (0) degrees; time-interleaving the MIMO processed service data; building signal frames including the time-interleaved service data; modulating data in the signal frames by an OFDM (Orthogonal Frequency Division Multiplex) scheme.

公开(公告)号：US10243770B2

公开(公告)日：2019-03-26

申请号：US15863492

申请日：2018-01-05

Applicant: LG ELECTRONICS INC.

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

IPC: H04L27/26 ,  H04L1/00 ,  H04H40/09 ,  H03M13/00

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 time deinterleaver to time deinterleave data in the parsed signal frame and a decoder to decode the time deinterleaved data.

公开(公告)号：US10181929B2

公开(公告)日：2019-01-15

申请号：US15689805

申请日：2017-08-29

Applicant: LG ELECTRONICS INC.

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

IPC: H04L1/00 ,  H04L1/06 ,  H04L27/26 ,  H04L1/08

Abstract: The object of the present invention can be achieved by providing a method of transmitting broadcast signals including encoding Data Pipe, DP, data, wherein the encoding further includes Forward Error Correction, FEC, encoding the DP data, Bit interleaving the FEC 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 at least one built signal frame by an Orthogonal Frequency Division Multiplexing, OFDM, method and transmitting the broadcast signals having the modulated data, wherein each of the at least one signal frame includes at least one preamble having repeated at least one signaling information.

公开(公告)号：US10158678B2

公开(公告)日：2018-12-18

申请号：US15124290

申请日：2015-06-24

Applicant: LG ELECTRONICS INC.

Inventor： Sejin Oh ,  Jangwon Lee ,  Sungryong Hong ,  Woosuk Ko

IPC: G06F15/16 ,  H04L29/06 ,  H04L29/12 ,  H04L29/08 ,  H04N21/2362 ,  H04N21/434 ,  H04N21/462 ,  H04N21/482 ,  H04N21/845 ,  H04N21/234 ,  H04N21/235 ,  H04N21/236 ,  H04N21/643

Abstract: Disclosed is a broadcast signal transmission device. The broadcast signal transmission device according to one embodiment of the present invention comprises: a receiving unit for receiving a transmission protocol packet comprising a service signaling message for signaling a broadcast service; and a control unit for extracting the service signaling message from the received transmission protocol packet, and for obtaining information for providing a broadcast service from the extracted service signaling message.

公开(公告)号：US10158455B2

公开(公告)日：2018-12-18

申请号：US15377839

申请日：2016-12-13

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob Baek ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L1/00 ,  H04L27/26 ,  H04B7/0456 ,  H04L5/00 ,  H04L29/06

Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, encoding, by an encoder, PLP (Physical Layer Pipe) data; time interleaving, by a time interleaver, the encoded PLP data; frame mapping, by a framer, the time interleaved PLP data onto at least one signal frames; frequency interleaving, by a frequency interleaver, data in the at least one signal frames; and waveform modulating, by a waveform module, the frequency interleaved data in the at least one signal frame and transmitting, by the waveform module, broadcast signals having the modulated data, wherein the frequency interleaving is conducted according to an interleaving mode, wherein the interleaving mode is determined based on a FFT (Fast Fourier Transform) size.

公开(公告)号：US10142233B2

公开(公告)日：2018-11-27

申请号：US15100875

申请日：2016-01-21

Applicant: LG ELECTRONICS INC.

Inventor： Minsung Kwak ,  Jangwon Lee ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L12/741 ,  H04N7/08 ,  H04N21/2343 ,  H04N21/236 ,  H04N21/2381 ,  H04N21/647 ,  H04N21/643 ,  H04N21/845 ,  H04N21/854 ,  H04N21/858 ,  H04L12/24 ,  H04L29/06 ,  H04L29/08

Abstract: The present invention provides a method for transmitting a broadcast signal. The method for transmitting a broadcast signal according to the present invention can support future broadcast services in an environment supporting future hybrid broadcast using terrestrial broadcast networks and the Internet. In addition, the present invention provides efficient signaling methods using both terrestrial broadcast networks and the Internet in an environment supporting future hybrid broadcast.

公开(公告)号：US10142147B2

公开(公告)日：2018-11-27

申请号：US15717331

申请日：2017-09-27

Applicant: LG ELECTRONICS INC.

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

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

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.