公开(公告)号：US10123234B2

公开(公告)日：2018-11-06

申请号：US15048695

申请日：2016-02-19

Applicant: LG ELECTRONICS INC.

Inventor： Hotaek Hong ,  Sangchul Moon ,  Joonhui Lee ,  Woosuk Ko

IPC: H03M13/00 ,  H04W28/06 ,  H04L29/08 ,  H04N21/2362 ,  H04N21/2389 ,  H04N21/643 ,  H04W72/00 ,  H04B7/0413 ,  H04L5/00 ,  H04L12/741 ,  H04L12/935 ,  H04L27/12 ,  H04L27/26 ,  H04L29/06 ,  H04W72/04 ,  H04H60/07 ,  H04L1/00

Abstract: Disclosed is a broadcast signal transmitting apparatus, a broadcast signal receiving apparatus, and a broadcast signal transceiving method in a broadcast signal transceiving apparatus. The broadcast signal transmitting method comprises the following steps: compressing the headers of data packets of an IP stream identified by IP address information, wherein the compressed data packets include a first packet, the header of which contains static field information, a second packet, the header of which contains dynamic field information, and a third packet, the header of which contains the compressed static field information and/or the compressed dynamic field information; signaling IP-PLP mapping information for mapping the IP stream and a component PLP for transmitting the IP stream, the IP stream compression information, and the header information of the first packet to L2 signaling information; and transmitting the header information of the second and third packets via the component PLP, and transmitting the L2 signaling information via a common PLP.

公开(公告)号：US10116366B2

公开(公告)日：2018-10-30

申请号：US15799480

申请日：2017-10-31

Applicant: LG ELECTRONICS INC.

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

IPC: H04B7/02 ,  H04B7/0456 ,  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

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：US10104404B2

公开(公告)日：2018-10-16

申请号：US15619198

申请日：2017-06-09

Applicant: LG Electronics Inc.

Inventor： Hotaek Hong ,  Sangchul Moon ,  Woosuk Ko

IPC: G06F3/00 ,  G06F13/00 ,  H04N5/445 ,  H04N21/2362 ,  H04B7/0413 ,  H04L27/26 ,  H04N21/61 ,  H04N21/434 ,  H04N21/2383 ,  H04L1/00 ,  H04H20/42 ,  H04N21/438 ,  H04N21/643 ,  H04N21/2343 ,  H04W28/06

Abstract: A transmitter and method of processing broadcast data are discussed. In one embodiment, the method includes Forward Error Correction (FEC) encoding Physical Layer Pipe (PLP) data at a first code rate; FEC encoding first signaling data at a second code rate; FEC encoding second signaling data at a third code rate; time interleaving the FEC-encoded PLP data; frequency interleaving the time-interleaved PLP data by a pair of consecutive cells; and modulating the frequency-interleaved PLP data, the FEC-encoded first signaling data, and the FEC-encoded second signaling data by an Orthogonal Frequency Division Multiplexing (OFDM) method, wherein the first signaling data include FEC type information of the second signaling data and wherein the second signaling data include FEC type information and the first code rate used by the PLP data.

公开(公告)号：US09985813B2

公开(公告)日：2018-05-29

申请号：US15619930

申请日：2017-06-12

Applicant: LG ELECTRONICS INC.

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

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

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 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：US09941985B2

公开(公告)日：2018-04-10

申请号：US15289658

申请日：2016-10-10

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: H04H20/44 ,  H04B7/0413 ,  H04L1/00 ,  H04L1/06 ,  H04B7/0456 ,  H04L27/20 ,  H04L27/34 ,  H04B7/10 ,  H04L5/00

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：US09923747B2

公开(公告)日：2018-03-20

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 ,  H04N21/434 ,  H04N21/236 ,  H04H20/72 ,  H03M13/11 ,  H04L1/00 ,  H04N21/2383 ,  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：US09906393B2

公开(公告)日：2018-02-27

申请号：US15467134

申请日：2017-03-23

Applicant: LG ELECTRONICS INC.

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

IPC: H04L27/26 ,  H04L27/34 ,  H04L27/38 ,  H04B7/0413

CPC classification number: H04L27/2649 ,  H04B7/0413 ,  H04B7/10 ,  H04L27/22 ,  H04L27/2627 ,  H04L27/3444 ,  H04L27/362 ,  H04L27/38 ,  H04W4/06

Abstract: A method is provided for receiving broadcast signals. The method includes receiving broadcast signals; demodulating the received broadcast signals by an Orthogonal Frequency Division Multiplex (OFDM) scheme; Multi Input Multi Output (MIMO) processing the demodulated broadcast signals based on at least one of a phase-hoping matrix with a phase rotation angle and a rotation matrix with a rotation angle, wherein a value of the rotation angle depends on a modulation order and a code rate of transmitted data, demapping data in the MIMO processed broadcast signals; and decoding the demapped data based on the code rate.

公开(公告)号：US09872052B2

公开(公告)日：2018-01-16

申请号：US14905659

申请日：2014-08-01

Applicant: LG ELECTRONICS INC.

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

IPC: H04K1/10 ,  H04L27/28 ,  H04N21/236 ,  H04N21/2362 ,  H04N21/2381 ,  H04N21/2383 ,  H04N21/414 ,  H04N21/434 ,  H04N21/438 ,  H04N21/61 ,  H04N21/81 ,  H04L1/00

CPC classification number: H04N21/23614 ,  H04L1/0041 ,  H04L1/0048 ,  H04L1/0057 ,  H04L1/0071 ,  H04N21/2362 ,  H04N21/2381 ,  H04N21/2383 ,  H04N21/41407 ,  H04N21/4345 ,  H04N21/4348 ,  H04N21/4381 ,  H04N21/4382 ,  H04N21/6131 ,  H04N21/814

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：US09854412B2

公开(公告)日：2017-12-26

申请号：US15064333

申请日：2016-03-08

Applicant: LG ELECTRONICS INC.

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

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

CPC classification number: H04L27/2649 ,  H04B7/0413 ,  H04B7/10 ,  H04L27/22 ,  H04L27/2627 ,  H04L27/3444 ,  H04L27/362 ,  H04L27/38 ,  H04W4/06

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals, the apparatus comprises an encoder to encode service data, a mapper to map the encoded service data into constellations, a MIMO (Multi Input Multi Output) processor to process a pair of symbols of the mapped service data based on a rotation matrix with a rotation angle, a frame builder to build signal frames including the MIMO processed service data, a modulator to modulate data in the signal frames by an OFDM (Orthogonal Frequency Division Multiplex) scheme and a transmitter to transmit the broadcast signals having the modulated data.

公开(公告)号：US09813275B2

公开(公告)日：2017-11-07

申请号：US15418353

申请日：2017-01-27

Applicant: LG ELECTRONICS INC.

Inventor： Yonghak Suh ,  Sangchul Moon ,  Jongwoong Shin ,  Woosuk Ko ,  Sungryoung Hong

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

CPC classification number: H04L27/2627 ,  H03M13/036 ,  H03M13/09 ,  H03M13/1102 ,  H03M13/1165 ,  H03M13/152 ,  H03M13/255 ,  H03M13/271 ,  H03M13/2778 ,  H03M13/2906 ,  H04H20/33 ,  H04L1/0042 ,  H04L1/0057 ,  H04L1/0071 ,  H04L5/0044 ,  H04L27/2649 ,  H04L2001/0093

Abstract: The present invention provides an apparatus of transmitting broadcast signals. The apparatus includes, an encoder for encoding service data, a bit interleaver for bit interleaving the encoded service data, a mapper for mapping the bit interleaved service data into a plurality of OFDM (Orthogonal Frequency Division Multiplex) symbols to build at least one signal frame, an OFDM modulator for modulating data in the built at least one signal frame by an OFDM scheme and a transmitter for transmitting the broadcast signals having the modulated data.