公开(公告)号：US20180198663A1

公开(公告)日：2018-07-12

申请号：US15912376

申请日：2018-03-05

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob Baek ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L27/26 ,  H04N21/61 ,  H04N21/2383 ,  H04B7/0413 ,  H04L1/00 ,  H04H60/91 ,  H04H60/07 ,  H04H20/72 ,  H04H20/57

CPC classification number: H04L27/2646 ,  H04B7/0413 ,  H04B7/0697 ,  H04H20/57 ,  H04H20/72 ,  H04H60/07 ,  H04H60/91 ,  H04L1/0041 ,  H04L1/0071 ,  H04L1/0072 ,  H04L1/0075 ,  H04L27/2601 ,  H04L27/2649 ,  H04L27/2655 ,  H04L2001/0093 ,  H04N21/2383 ,  H04N21/6112 ,  H04N21/6131

Abstract: A broadcast signal transmitter is disclosed. A broadcast signal transmitter according to an embodiment of the present invention comprises an input formatting module performing baseband formatting and outputting at least one Physical Layer Pipe (PLP) data; a BICM module error-correction processing the PLP data; a framing & interleaving module interleaving the PLP data and generating a signal frame; and a waveform generating module inserting a preamble into the signal frame and generating a broadcast signal by performing OFDM modulation.

公开(公告)号：US10009639B2

公开(公告)日：2018-06-26

申请号：US15076193

申请日：2016-03-21

Applicant: LG ELECTRONICS INC.

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

IPC: H04L12/28 ,  H04N21/236 ,  H04N21/2362 ,  H04N21/61 ,  H04N21/643

CPC classification number: H04N21/23605 ,  H04N21/2362 ,  H04N21/615 ,  H04N21/64322

Abstract: A method for processing transmission of a broadcast signal is disclosed. The method includes generating first broadcast data for a first broadcast service using an MPEG media transport (MMT) protocol, generating second broadcast data for a second broadcast service using a real time object delivery over unidirectional transport (ROUTE) protocol, generating first service level signaling information including information for describing attribute of the first broadcast service, generating second service level signaling information including information for describing attribute of the second broadcast service, and generating low level signaling information including information for listing the first broadcast service and the second broadcast service.

公开(公告)号：US09992656B2

公开(公告)日：2018-06-05

申请号：US15452335

申请日：2017-03-07

Applicant: LG ELECTRONICS INC.

Inventor： Woochan Kim ,  Sungryong Hong ,  Woosuk Ko ,  Jaeho Hwang ,  Byounggill Kim ,  Jaehyung Kim

IPC: H04B7/02 ,  H04L1/02 ,  H04W4/22 ,  H03M13/11 ,  H03M13/27 ,  H04B7/0413 ,  H04L27/26 ,  H04W4/06 ,  H03M13/25 ,  H03M13/29 ,  H03M13/00 ,  H04W52/02 ,  H04L5/00 ,  H04W76/04 ,  H04L12/18 ,  H03M13/09 ,  H03M13/15

CPC classification number: H04W4/90 ,  H03M13/09 ,  H03M13/1165 ,  H03M13/1177 ,  H03M13/152 ,  H03M13/255 ,  H03M13/27 ,  H03M13/2792 ,  H03M13/2906 ,  H03M13/6356 ,  H03M13/6362 ,  H04B7/0413 ,  H04L5/0007 ,  H04L12/189 ,  H04L27/2601 ,  H04L27/2627 ,  H04W4/06 ,  H04W52/0229 ,  H04W76/27 ,  Y02D70/00

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The method for transmitting broadcast signals includes encoding data of PLPs (Physical Layer Pips); building at least one signal frame by mapping the encoded data of the PLPs; and modulating data in the built signal frame by OFDM (Orthogonal Frequency Division Multiplexing) method and transmitting the broadcast signals having the modulated data.

公开(公告)号：US09992003B2

公开(公告)日：2018-06-05

申请号：US15798142

申请日：2017-10-30

Applicant: LG ELECTRONICS INC.

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

IPC: H04L5/00 ,  H04L29/06 ,  H04L27/26

CPC classification number: H04L5/0053 ,  H04B7/0413 ,  H04H20/59 ,  H04H20/72 ,  H04J13/0062 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0071 ,  H04L5/0007 ,  H04L5/0016 ,  H04L5/0026 ,  H04L27/2611 ,  H04L27/2613 ,  H04L27/2627 ,  H04L27/2647 ,  H04L65/4076 ,  H04L65/80

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The method for transmitting broadcast signals comprises encoding DP (data pipe) data carrying at least one service, mapping the encoded DP data onto constellations, time interleaving the mapped DP data, building at least one signal frame including the time interleaved DP data, modulating data in the built at least one signal frame by an OFDM scheme and transmitting the broadcast signals having the modulated data, wherein the at least one signal frame includes emergency alert information.

公开(公告)号：US09986301B2

公开(公告)日：2018-05-29

申请号：US15018952

申请日：2016-02-09

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/2347 ,  H04N21/84 ,  H04N21/6437 ,  H04N21/64 ,  H04N21/643 ,  H04N21/236 ,  H04N21/2381

CPC classification number: H04N21/64322 ,  H04N21/2381

Abstract: A method for processing a broadcast signal includes encoding broadcast data for at least one broadcast service; encoding first level signaling information including attribute information regarding the at least one broadcast service; encoding second level signaling information including information for listing the at least one broadcast service; and generating a broadcast signal including the encoded broadcast data, the first level signaling information, and the second level signaling information.

公开(公告)号：US09979579B2

公开(公告)日：2018-05-22

申请号：US15436131

申请日：2017-02-17

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob Baek ,  Woosuk Ko ,  Sungryong Hong

IPC: H03K9/00 ,  H03D1/04 ,  H04B1/38 ,  H04L27/26 ,  H04L1/00 ,  H04B7/0413 ,  H04H60/73 ,  H04H60/11

CPC classification number: H04B7/0413 ,  H04H60/11 ,  H04H60/73 ,  H04L1/0042 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0071 ,  H04L1/0075 ,  H04L27/2626 ,  H04L27/2649 ,  H04L2001/0093

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, wherein the signal frame includes service data corresponding to each of a plurality of physical paths, a time deinterleaver to time deinterleave service data in each physical path by a TI (Time Interleaving) block, wherein the time deinterleaver further performs inserting at least one virtual FEC block into at least one TI block of the service data, wherein each TI block includes a variable number of FEC blocks of the service data, wherein a number of the at least one virtual FEC block is defined based on a maximum number of FEC blocks of a TI block and a decoder to decode the time deinterleaved service data.

公开(公告)号：US09973366B2

公开(公告)日：2018-05-15

申请号：US15671840

申请日：2017-08-08

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob Baek ,  Woosuk Ko ,  Sungryong Hong

IPC: H04L27/26 ,  H04N21/2383 ,  H04N21/61 ,  H04H60/91 ,  H04H60/07 ,  H04H20/72 ,  H04B7/0413 ,  H04H20/57 ,  H04L1/00

CPC classification number: H04L27/2646 ,  H04B7/0413 ,  H04B7/0697 ,  H04H20/57 ,  H04H20/72 ,  H04H60/07 ,  H04H60/91 ,  H04L1/0041 ,  H04L1/0071 ,  H04L1/0072 ,  H04L1/0075 ,  H04L27/2601 ,  H04L27/2649 ,  H04L27/2655 ,  H04L2001/0093 ,  H04N21/2383 ,  H04N21/6112 ,  H04N21/6131

Abstract: A broadcast signal transmitter is disclosed. A broadcast signal transmitter according to an embodiment of the present invention comprises an input formatting module performing baseband formatting and outputting at least one Physical Layer Pipe (PLP) data; a BICM module error-correction processing the PLP data; a framing & interleaving module interleaving the PLP data and generating a signal frame; and a waveform generating module inserting a preamble into the signal frame and generating a broadcast signal by performing OFDM modulation.

公开(公告)号：US09954709B2

公开(公告)日：2018-04-24

申请号：US15362312

申请日：2016-11-28

Applicant: LG ELECTRONICS INC.

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

IPC: H04L27/26 ,  H04L1/00 ,  H04L5/00 ,  H04L1/04

CPC classification number: H04L27/2627 ,  H04L1/0041 ,  H04L1/0058 ,  H04L1/0071 ,  H04L1/04 ,  H04L5/0007 ,  H04L5/0053 ,  H04L27/2602 ,  H04L27/2604 ,  H04L27/2626 ,  H04L27/2628 ,  H04L27/2633 ,  H04L27/2647 ,  H04L27/265

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.

公开(公告)号：US20180109407A1

公开(公告)日：2018-04-19

申请号：US15844148

申请日：2017-12-15

Applicant: LG ELECTRONICS INC.

Inventor： Byounggill KIM ,  Jaehyung Kim ,  Jaeho Hwang ,  Woosuk Ko ,  Sungryong Hong

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

CPC classification number: H04L27/2613 ,  H04L1/0057 ,  H04L1/0065 ,  H04L1/0071 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/0048 ,  H04L27/2628 ,  H04L2001/0093 ,  H04W4/06

Abstract: The present invention provides a method of transmitting broadcast signals. The method includes encoding service data of Physical Layer Pipes (PLPs); bit interleaving the encoded service data; building at least one signal frame including the bit interleaved service data; and modulating data in the at least one signal frame by Orthogonal Frequency Division Multiplexing (OFDM) method; inserting a preamble at a beginning of each of the at least one signal frame after the modulating step; and transmitting the broadcast signals having the modulated data, wherein the preamble includes two OFDM symbols and each of the two OFDM symbols is generated by a sequence multiplication, and wherein each of the two OFDM symbols in the preamble includes information for an emergency alert.

公开(公告)号：US09948489B2

公开(公告)日：2018-04-17

申请号：US14992496

申请日：2016-01-11

Applicant: LG ELECTRONICS INC.

Inventor： Byeongkook Jeong ,  Woosuk Ko ,  Youngjin Hong ,  Sungryong Hong ,  Jaeho Hwang

IPC: H04L27/00 ,  H04L27/36 ,  H03K9/02 ,  H03D1/24 ,  H04L27/34 ,  H04B7/0413 ,  H04B7/06 ,  H04H20/71 ,  H04L1/00 ,  H04L27/26 ,  H03M13/11 ,  H03M13/27 ,  H04L27/38 ,  H04L5/00

CPC classification number: H04L27/3444 ,  H03M13/1102 ,  H03M13/1165 ,  H03M13/152 ,  H03M13/253 ,  H03M13/255 ,  H03M13/2707 ,  H03M13/2778 ,  H03M13/2792 ,  H03M13/2906 ,  H04B7/0413 ,  H04B7/0615 ,  H04H20/71 ,  H04L1/00 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0058 ,  H04L1/0071 ,  H04L1/0075 ,  H04L5/0023 ,  H04L27/0008 ,  H04L27/26 ,  H04L27/2602 ,  H04L27/2627 ,  H04L27/2697 ,  H04L27/3416 ,  H04L27/361 ,  H04L27/38 ,  H04L2001/0093

Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, processing input streams into plural PLPs; encoding data of the each PLPs according to code rates, wherein the encoding data of the each PLPs further includes, encoding data of at least one PLP with LDPC codes, bit interleaving the LDPC encoded data of the PLP, mapping the bit interleaved data onto a set of constellations according to the code rate, MIMO encoding the mapped data, and time interleaving the MIMO encoded data; building at least one signal frame by mapping the encoded data of the each PLPs; and modulating data in the built signal frame by OFDM method and transmitting the broadcast signals having the modulated data, wherein the bit interelaved data of each PLPs are mapped by using either QAM, NUQ, or NUC.