公开(公告)号：US09942075B2

公开(公告)日：2018-04-10

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

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：US09935738B2

公开(公告)日：2018-04-03

申请号：US15052522

申请日：2016-02-24

Applicant: LG ELECTRONICS INC.

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

IPC: H04L1/00 ,  H04L1/06 ,  H04N21/2389 ,  H04N5/40 ,  H04N21/2383 ,  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 transmitter. The broadcast signal transmitter includes a first bit interleaved coded modulation (BICM) unit configured to forward error correction (FEC)-encode data of a first layer, a second BICM unit configured to FEC-encode data of a second layer, a layered division multiplexing (LDM) injection unit configured to combine the data of the first layer and the data of the second layer and to output LDM data, a framing and interleaving unit configured to interleave the LDM data and to generate a signal frame, and a waveform generation unit configured to perform OFDM modulation on the LDM data and to generate a broadcast signal.

公开(公告)号：US09935736B2

公开(公告)日：2018-04-03

申请号：US15467226

申请日：2017-03-23

Applicant: LG ELECTRONICS INC.

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

IPC: H04N7/16 ,  H04L1/00 ,  H04L27/26 ,  H03M13/11 ,  H03M13/15 ,  H03M13/25 ,  H03M13/27 ,  H04N21/236 ,  H04N21/2362 ,  H04N21/434 ,  H04N21/438

CPC classification number: H04L1/0057 ,  H03M13/036 ,  H03M13/1165 ,  H03M13/152 ,  H03M13/255 ,  H03M13/271 ,  H03M13/2778 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0061 ,  H04L1/0071 ,  H04L27/2605 ,  H04L27/2627 ,  H04L27/2649 ,  H04L2001/0093 ,  H04N21/23614 ,  H04N21/2362 ,  H04N21/2381 ,  H04N21/2383 ,  H04N21/41407 ,  H04N21/4345 ,  H04N21/4381 ,  H04N21/4382 ,  H04N21/6131

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：US09930409B2

公开(公告)日：2018-03-27

申请号：US15113997

申请日：2015-02-06

Applicant: LG Electronics Inc.

Inventor： Seungjoo An ,  Kyoungsoo Moon ,  Jinwon Lee ,  Woosuk Ko ,  Sungryong Hong ,  Sejin Oh

IPC: H04N21/462 ,  H04N21/258 ,  H04N21/2668 ,  H04N21/443 ,  H04N21/454 ,  H04N21/458 ,  H04N21/475 ,  H04N21/643 ,  H04N21/658 ,  H04N21/482 ,  H04N21/858

CPC classification number: H04N21/462 ,  H04N21/2362 ,  H04N21/25891 ,  H04N21/2668 ,  H04N21/4345 ,  H04N21/4431 ,  H04N21/454 ,  H04N21/458 ,  H04N21/4755 ,  H04N21/4758 ,  H04N21/4821 ,  H04N21/4826 ,  H04N21/64322 ,  H04N21/658 ,  H04N21/8586

Abstract: The present invention provides a method of providing interactive services or contents. The method includes, receiving a ESG (Enhancement Service Guide) information including preference criteria indicating characteristics of the interactive services or contents for recommending the user the interactive services or contents based on user's personal interests, receiving a PDI (Profiles, Demographics, Interests) table via broadcast signals, wherein the PDI table includes plural PDI questions related to user's personal interests for interactive contents, wherein each of the PDI questions has a question ID identifying a PDI question, obtaining an answer for at least one of the PDI questions, storing the obtained answer in the PDI table, determining recommendation interactive services or contents by comparing the preference criteria with the obtained answer and presenting the determined recommendation interactive services or contents in ESG.

公开(公告)号：US09930384B2

公开(公告)日：2018-03-27

申请号：US15116450

申请日：2015-10-12

Applicant: LG ELECTRONICS INC.

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

IPC: H04L12/28 ,  H04N21/2362 ,  H04N21/43 ,  H04N21/2385 ,  H04N21/64 ,  H04N21/643 ,  H04N21/2343 ,  H04N21/845 ,  H04N21/8543 ,  H04H60/73

Abstract: The present invention proposes a method for transmitting a broadcast signal. The method for transmitting a broadcast signal according to the present invention proposes a system capable of supporting next-generation broadcast service in an environment supporting a next-generation hybrid broadcast which uses a terrestrial broadcasting network and an internet network. Also, the present invention proposes an efficient signaling method which can encompass both the terrestrial broadcasting network and the internet network in an environment supporting next-generation hybrid broadcast.

公开(公告)号：US09929785B2

公开(公告)日：2018-03-27

申请号：US15461239

申请日：2017-03-16

Applicant: LG ELECTRONICS INC.

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

IPC: H04L27/26 ,  H04B7/0456 ,  H04L5/00 ,  H04L1/00 ,  H03M13/11 ,  H03M13/00 ,  H03M13/27

CPC classification number: H04N21/2362 ,  H03M13/1148 ,  H03M13/2792 ,  H03M13/616 ,  H04B7/0456 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0058 ,  H04L1/0061 ,  H04L1/0071 ,  H04L5/0007 ,  H04L27/2601 ,  H04L27/2627 ,  H04L27/2649 ,  H04N21/23614 ,  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 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：US09924207B2

公开(公告)日：2018-03-20

申请号：US14914930

申请日：2014-10-20

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk Kwon ,  Sejin Oh ,  Woosuk Ko ,  Sungryong Hong ,  Kyoungsoo Moon

IPC: H04N21/236 ,  H04N21/2383 ,  H04N21/2385 ,  H04N21/643 ,  H04L12/18 ,  H04W4/06

CPC classification number: H04N21/23605 ,  H04L12/1877 ,  H04L12/1886 ,  H04N21/236 ,  H04N21/2383 ,  H04N21/2385 ,  H04N21/64322 ,  H04W4/06

Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, generating input packets including broadcast content data; generating a link layer packet by using the generated input packets, wherein the link layer packet includes a link layer header and a link layer payload including the generated input packets, wherein the link layer header includes a count field indicating number of the input packets included in the link layer payload, wherein the link layer header further includes a length part, wherein the length part includes a plurality of length fields as many as that the count field indicates, wherein each of the length fields indicates length of the each input packets included in the link layer payload; generating a broadcast signal including the generated link layer packet; and transmitting the broadcast signal.

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：US09847899B2

公开(公告)日：2017-12-19

申请号：US15438221

申请日：2017-02-21

Applicant: LG ELECTRONICS INC.

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

IPC: H04L27/00 ,  H04L27/26 ,  H04L1/00 ,  H04L5/00 ,  H04L12/18

CPC classification number: H04L1/0071 ,  H03M13/00 ,  H03M13/1165 ,  H03M13/152 ,  H03M13/159 ,  H03M13/253 ,  H03M13/255 ,  H03M13/2707 ,  H03M13/271 ,  H03M13/2721 ,  H03M13/2778 ,  H03M13/2906 ,  H03M13/6356 ,  H03M13/655 ,  H03M13/6552 ,  H04B1/04 ,  H04B7/0413 ,  H04L1/0041 ,  H04L1/0057 ,  H04L1/0059 ,  H04L1/0065 ,  H04L1/0075 ,  H04L5/0007 ,  H04L12/18 ,  H04L27/2601 ,  H04L27/2626 ,  H04L27/2627 ,  H04L2001/0093

Abstract: A method for transmitting broadcast signals including encoding service data, mapping the encoded service data, and time interleaving the mapped service data. The time interleaving including block interleaving the mapped service data by writing cells of the mapped service data in a memory and reading the cells in the memory and spreading out the block interleaved service data over at least one signal frame. At least one Forward Error Correction (FEC) Block is included in at least one time interleaving (TI) Block for interleaving, and a number of FEC Blocks varies between TI Blocks. A virtual FEC Block is included ahead of the at least one FEC Block and virtual cells belonging to the virtual FEC Block are skipped during the reading. The method further includes modulating the time interleaved service data by an Orthogonal Frequency Division Multiplex (OFDM) scheme, and transmitting the broadcast signals carrying the modulated service data.

公开(公告)号：US09847898B2

公开(公告)日：2017-12-19

申请号：US15416754

申请日：2017-01-26

Applicant: LG ELECTRONICS INC.

Inventor： Chulkyu Mun ,  Jaehyung Kim ,  Sungryong Hong ,  Jongseob Baek ,  Byounggill Kim ,  Woosuk Ko

IPC: H04L27/12 ,  H04L27/26 ,  H04L1/00 ,  H04L7/027 ,  H04L5/00

CPC classification number: H04L27/2626 ,  H04L1/0009 ,  H04L1/0047 ,  H04L1/0057 ,  H04L1/0058 ,  H04L1/0065 ,  H04L1/007 ,  H04L1/0071 ,  H04L1/0072 ,  H04L5/0007 ,  H04L5/0044 ,  H04L5/0048 ,  H04L7/0278 ,  H04L27/2614 ,  H04L2001/0093

Abstract: The present invention provides a method for transmitting a broadcast signal. The method for transmitting a broadcast signal according to the present invention may comprise the steps of: encoding data pipe (DP) data corresponding to each of a plurality of DPs which transmit at least one service or service component; generating at least one signal frame by mapping the encoded DP data to data symbols; modulating data present in the at least one signal frame by means of an OFDM scheme; and transmitting a broadcast signal including the modulated data.