公开(公告)号：US10972327B2

公开(公告)日：2021-04-06

申请号：US16783606

申请日：2020-02-06

Applicant: LG ELECTRONICS INC.

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

IPC: H04L27/26 ,  H04B7/0456 ,  H04H20/33 ,  H04B7/0413 ,  H04B7/10 ,  H04L1/06 ,  H04B7/08 ,  H04B7/06 ,  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：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：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：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：US09917718B2

公开(公告)日：2018-03-13

申请号：US15643044

申请日：2017-07-06

Applicant: LG ELECTRONICS INC.

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

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

CPC classification number: H04L27/2627 ,  H04B7/0413 ,  H04B7/0456 ,  H04B7/0682 ,  H04B7/08 ,  H04B7/10 ,  H04H20/33 ,  H04L1/0045 ,  H04L5/0007 ,  H04L27/2602 ,  H04L27/2647 ,  H04L27/2649

Abstract: A method and an apparatus for receiving broadcast signals thereof are disclosed. The method for receiving broadcast signals, the method comprises receiving the broadcast signals, demodulating the received broadcast signals by an OFDM (Orthogonal Frequency Division Multiplex) scheme, parsing a signal frame from the demodulated broadcast signals, MIMO (Multiple-Input and Multiple-Output) decoding service data in the parsed signal frame, decoding signaling data in the parsed signal frame and decoding the MIMO decoded service data.

公开(公告)号：US09712357B2

公开(公告)日：2017-07-18

申请号：US14902830

申请日：2014-07-01

Applicant: LG ELECTRONICS INC.

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

IPC: H04L27/36 ,  H04L27/26 ,  H04N21/2383 ,  H03M13/27 ,  H04L5/00 ,  H04L27/38 ,  H04H60/00 ,  H04L27/00 ,  H03M13/11 ,  H03M13/25 ,  H03M13/29 ,  H03M13/00 ,  H03M13/09 ,  H03M13/15 ,  H04H60/73

CPC classification number: H04L27/2602 ,  H03M13/09 ,  H03M13/1102 ,  H03M13/1111 ,  H03M13/152 ,  H03M13/255 ,  H03M13/27 ,  H03M13/2778 ,  H03M13/2906 ,  H03M13/6356 ,  H04H60/00 ,  H04H60/73 ,  H04L5/00 ,  H04L5/0007 ,  H04L27/00 ,  H04L27/36 ,  H04L27/38 ,  H04N21/2383

Abstract: The present invention provides a method for transmitting a broadcasting signal. The method for transmitting the broadcasting signal according to the present invention comprises the steps of: encoding data of a plurality of PLPs according to a code rate, wherein the step of encoding data of a plurality of PLPs comprises the steps of LDPC-encoding data of at least one PLP of the plurality of PLPs according to the code rate, bit-interleaving the LDPC-encoded data, and mapping the bit-interleaved data to constellation; mapping the encoded data of the plurality of PLPs to generate at least one signal frame; and modulating data of the generated signal frame through an OFDM scheme and transmitting a broadcasting signal including the modulated data of the signal frame.

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：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：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。