公开(公告)号：US10103920B2

公开(公告)日：2018-10-16

申请号：US15628435

申请日：2017-06-20

Applicant: LG Electronics Inc.

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

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

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：US09985748B2

公开(公告)日：2018-05-29

申请号：US15091404

申请日：2016-04-05

Applicant: LG ELECTRONICS INC.

Inventor： Jongwoong Shin ,  Woosuk Ko ,  Jaehyung Kim ,  Jongseob Baek ,  Sungryong Hong

IPC: H04L1/00 ,  H04L27/26 ,  H04B1/10 ,  H04L12/18 ,  H04J11/00 ,  H04L1/04 ,  H04L5/00

CPC classification number: H04L1/0071 ,  H04B1/10 ,  H04J11/004 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0052 ,  H04L1/007 ,  H04L1/0075 ,  H04L1/04 ,  H04L5/0023 ,  H04L5/005 ,  H04L12/18 ,  H04L27/2613 ,  H04L27/2627 ,  H04L27/2647 ,  H04L27/2649

Abstract: Disclosed herein is a broadcast signal transmitter. A broadcast signal transmitter according to an embodiment of the present invention includes a first BICM unit configured to FEC-encode the data of a core layer, a second BICM unit configured to FEC-encode the enhanced layer data, an LDM injection unit configured to combine the core layer data and the enhanced layer data and to output Layered Division Multiplexing (LDM) data, a time interleaver configured to time-interleave the LDM data, a framing unit configured to generate a signal frame including a preamble for carrying signaling information and the LDM data, and a waveform generation unit configured to generate a broadcast signal by performing OFDM modulation on the signal frame.

公开(公告)号：US09985747B2

公开(公告)日：2018-05-29

申请号：US15052565

申请日：2016-02-24

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob Baek ,  Jongwoong Shin ,  Woosuk Ko ,  Sungryong Hong

IPC: H03M13/00 ,  H04L1/00 ,  H04L1/06 ,  H03M13/27 ,  H04L27/26 ,  H04B1/10 ,  H04H60/11 ,  H04L5/00

CPC classification number: H04L1/0071 ,  H03M13/2792 ,  H04B1/10 ,  H04H60/11 ,  H04L1/0033 ,  H04L1/0036 ,  H04L1/0045 ,  H04L1/06 ,  H04L1/0625 ,  H04L1/0668 ,  H04L5/0023 ,  H04L5/0048 ,  H04L27/2626 ,  H04L27/2655

Abstract: Disclosed is a broadcast signal receiver. The broadcast signal receiver includes a synchronization and demodulation unit configured to perform signal detection and OFDM demodulation on a reception signal comprising layer division multiplexing (LDM) data, a frame parsing/deinterleaving unit configured to parse the signal frame of the reception signal and to deinterleave the LDM data, a first demapping/decoding unit configured to obtain the data of a first layer by demapping and forward error correction (FEC)-encoding the LDM data, an interference removal unit configured to remove the data of the first layer from the LDM data and to output the data of a second layer, and a second demapping/decoding unit configured to demap and FEC-decode the data of the second layer.

公开(公告)号：US09866297B2

公开(公告)日：2018-01-09

申请号：US14908410

申请日：2014-08-01

Applicant: LG ELECTRONICS INC.

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

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

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

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：US20170353341A1

公开(公告)日：2017-12-07

申请号：US15498248

申请日：2017-04-26

Applicant: LG Electronics Inc.

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

IPC: H04L27/26 ,  H04N21/2383 ,  H03M13/11 ,  H04L1/00 ,  H04H20/72 ,  H04N21/434 ,  H04N21/236 ,  H04H60/73

CPC classification number: H04N21/6112 ,  H03M13/036 ,  H03M13/1111 ,  H03M13/1165 ,  H03M13/118 ,  H03M13/136 ,  H03M13/152 ,  H03M13/255 ,  H03M13/2707 ,  H03M13/271 ,  H03M13/2778 ,  H03M13/2906 ,  H04B7/0413 ,  H04B7/068 ,  H04H20/72 ,  H04H60/73 ,  H04L1/0041 ,  H04L1/0057 ,  H04L1/0071 ,  H04L1/0075 ,  H04L27/2601 ,  H04L27/2605 ,  H04L27/2627 ,  H04L27/2649 ,  H04L2001/0093 ,  H04N21/23605 ,  H04N21/2383 ,  H04N21/4343

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：US09838233B2

公开(公告)日：2017-12-05

申请号：US14906397

申请日：2014-08-01

Applicant: LG Electronics Inc.

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

IPC: H04L27/26 ,  H04H20/30 ,  H04L1/00 ,  H03M13/00 ,  H04N21/2362 ,  H04N21/2383 ,  H04N21/434 ,  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：US20170338990A1

公开(公告)日：2017-11-23

申请号：US15628435

申请日：2017-06-20

Applicant: LG Electronics Inc.

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

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

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 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：US09800444B2

公开(公告)日：2017-10-24

申请号：US15401866

申请日：2017-01-09

Applicant: LG ELECTRONICS INC.

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

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

CPC classification number: H04L27/2602 ,  H03M13/2792 ,  H03M13/616 ,  H04B7/0413 ,  H04L1/0041 ,  H04L1/0042 ,  H04L1/0057 ,  H04L1/0071 ,  H04L5/0007 ,  H04L5/0023 ,  H04L12/18 ,  H04L27/2626 ,  H04L27/2627 ,  H04L27/2647 ,  H04L27/2649 ,  H04L2001/0093

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：US09755873B2

公开(公告)日：2017-09-05

申请号：US14969749

申请日：2015-12-15

Applicant: LG Electronics Inc.

Inventor： Jongseob Baek ,  Jongwoong Shin ,  Jaehyung Kim ,  Woosuk Ko ,  Sungryong Hong

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

CPC classification number: H04L27/2602 ,  H03M13/09 ,  H03M13/1102 ,  H03M13/152 ,  H03M13/255 ,  H03M13/27 ,  H03M13/271 ,  H03M13/2742 ,  H03M13/2778 ,  H03M13/2906 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0071 ,  H04L1/0083 ,  H04L5/0053 ,  H04L27/2605 ,  H04L27/2626 ,  H04L27/2627 ,  H04L27/2634 ,  H04L27/265 ,  H04L2001/0093

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, a mapper for mapping the encoded service data into a plurality of OFDM (Orthogonal Frequency Division Multiplex) symbols to build at least one signal frame, a frequency interleaver for 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, a modulator for modulating the frequency interleaved data by an OFDM scheme and a transmitter for transmitting the broadcast signals having the modulated data, wherein the different interleaving-seed is generated based on a cyclic shifting value and wherein an interleaving seed is variable based on an FFT size of the modulating.

公开(公告)号：US20160173312A1

公开(公告)日：2016-06-16

申请号：US14908433

申请日：2014-08-01

Applicant: LG ELECTRONICS INC.

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

IPC: H04L27/26 ,  H04L1/00 ,  H04N21/2383 ,  H03M13/11 ,  H04N21/236 ,  H04N21/434

CPC classification number: H04N21/6112 ,  H03M13/036 ,  H03M13/1111 ,  H03M13/1165 ,  H03M13/118 ,  H03M13/136 ,  H03M13/152 ,  H03M13/255 ,  H03M13/2707 ,  H03M13/271 ,  H03M13/2778 ,  H03M13/2906 ,  H04B7/0413 ,  H04B7/068 ,  H04H20/72 ,  H04H60/73 ,  H04L1/0041 ,  H04L1/0057 ,  H04L1/0071 ,  H04L1/0075 ,  H04L27/2601 ,  H04L27/2605 ,  H04L27/2627 ,  H04L27/2649 ,  H04L2001/0093 ,  H04N21/23605 ,  H04N21/2383 ,  H04N21/4343

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.