公开(公告)号：US20170230142A1

公开(公告)日：2017-08-10

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

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：US20170214562A1

公开(公告)日：2017-07-27

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

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 in 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.

公开(公告)号：US20170201775A1

公开(公告)日：2017-07-13

申请号：US15468408

申请日：2017-03-24

Applicant: LG ELECTRONICS INC.

Inventor： Sejin OH ,  Minsung KWAK ,  Woosuk KWON ,  Kyoungsoo MOON ,  Jangwon LEE ,  Woosuk KO ,  Sungryong HONG

IPC: H04N21/2362 ,  H04N21/643 ,  H04L29/12 ,  H04N21/2343 ,  H04L29/06 ,  H04N21/858

CPC classification number: H04N21/2362 ,  H04H60/07 ,  H04H60/73 ,  H04L61/2007 ,  H04L69/16 ,  H04N21/234 ,  H04N21/2343 ,  H04N21/236 ,  H04N21/2383 ,  H04N21/6332 ,  H04N21/64322 ,  H04N21/8586

Abstract: A broadcasting signal transmission processing method according to an embodiment of the present invention comprises the steps of: generating one or more first layer data units including first level signaling data and broadcasting data for a broadcasting service; generating one or more second layer data units including the one or more first layer data units and second level signaling data; and generating a broadcasting signal including the one or more second layer data units

公开(公告)号：US20170195154A1

公开(公告)日：2017-07-06

申请号：US15466471

申请日：2017-03-22

Applicant: LG ELECTRONICS INC.

Inventor： Jaeho HWANG ,  Woosuk KO ,  Sungryong HONG ,  Jongwoong SHIN ,  Jinwoo KIM

IPC: H04L27/26 ,  H04B7/0413

CPC classification number: H04L27/2602 ,  H04B7/0413 ,  H04L5/0053 ,  H04L27/2626 ,  H04L27/2627 ,  H04L27/2647 ,  H04L27/2649

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. An apparatus for transmitting broadcast signals comprises an encoder for encoding service data corresponding to each of a plurality of data transmission path, wherein each of the data transmission path carries at least one service component, a mapper for mapping the encoded service data onto constellations, an encoder for encoding physical signaling data, a frame builder for building at least one signal frame including preamble data, the encoded physical signaling data, the mapped service data, wherein the preamble data is located before the encoded physical signaling data and the encoded physical signaling data is located before the mapped service data, a modulator for modulating the at least one signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme and a transmitter for transmitting the broadcast signals carrying the at least one modulated signal frame, wherein the broadcast signals includes channel information data, wherein the channel information data includes binding information between the service data and the data transmission path.

公开(公告)号：US20170171722A1

公开(公告)日：2017-06-15

申请号：US15442805

申请日：2017-02-27

Applicant: LG ELECTRONICS INC.

Inventor： Jinwon LEE ,  Seungryul YANG ,  Sejin OH ,  Woosuk KO ,  Seungjoo AN ,  Kyoungsoo MOON ,  Sungryong HONG

IPC: H04W4/06

CPC classification number: H04W4/06 ,  H04H20/59 ,  H04W4/12 ,  H04W4/90

Abstract: A broadcast receiving apparatus may comprise: a broadcast interface for receiving a broadcast signal comprising an emergency alert message and signaling information indicating metadata for the emergency alert message; a control unit for generating an emergency alert multicast message comprising attributes of the emergency alert message on the basis of the broadcast signal; and a companion screen interface for transferring the emergency alert multicast message to at least one companion screen device in a multicast mode.

公开(公告)号：US20170163549A1

公开(公告)日：2017-06-08

申请号：US15439671

申请日：2017-02-22

Applicant: LG ELECTRONICS INC.

Inventor： Jaeho HWANG ,  Woosuk KO ,  Timothy LAUD ,  Sungryong HONG

IPC: H04L12/823 ,  H04L12/18 ,  H04L29/06 ,  H04L27/26 ,  H04L5/00

CPC classification number: H04L47/32 ,  H04B7/0413 ,  H04L1/0041 ,  H04L1/0047 ,  H04L1/0057 ,  H04L1/0071 ,  H04L1/1887 ,  H04L5/0044 ,  H04L12/18 ,  H04L25/02 ,  H04L27/2627 ,  H04L27/2655 ,  H04L27/2692 ,  H04L45/74 ,  H04L65/602 ,  H04L2001/0093 ,  H04N21/238 ,  H04N21/2383 ,  H04N21/4382

Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, processing input streams into BB (Base Band) frames of PLPs (Physical Layer Pipes), wherein the input streams include a plurality of input packets, wherein each of the input packets include a packet header including information about synchronization of the input streams, wherein the processing input streams into BB frames further includes compressing the packet headers of the input packets in the input streams, generating the BB frames by using the compressed input packets; encoding data of the PLPs; 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：US20170155535A1

公开(公告)日：2017-06-01

申请号：US15431143

申请日：2017-02-13

Applicant: LG Electronics Inc.

Inventor： Hotaek HONG ,  Sangchul MOON ,  Joonhui LEE ,  Woosuk KO

IPC: H04L27/26 ,  H04L29/06 ,  H04W72/00 ,  H04B7/0413 ,  H04L5/00

CPC classification number: H04L27/2649 ,  H04B7/0413 ,  H04B7/10 ,  H04H60/73 ,  H04L1/0071 ,  H04L1/0083 ,  H04L5/0023 ,  H04L5/0044 ,  H04L27/2601 ,  H04L27/2608 ,  H04L27/2627 ,  H04L69/22 ,  H04N21/42607 ,  H04W4/18 ,  H04W24/02 ,  H04W72/005

Abstract: A broadcast signal receiver according to the present invention comprises: a demodulator for performing OFDM demodulation on a received broadcast signal including a frame for the delivery of a broadcast service: a frame demapper for outputting the frame, the frame including a preamble that contains first signaling information, and a plurality of link-layer-pipes (LLPs) that contain PLP data, second signaling information and third signaling information, with the PLP data including a base layer and an enhancement layer of the broadcast service; and a decoder for decoding the first signaling information, for decoding the second and third signaling information, and for selectively decoding the PLP data by using the third signaling information.

公开(公告)号：US20170149592A1

公开(公告)日：2017-05-25

申请号：US15398123

申请日：2017-01-04

Applicant: LG ELECTRONICS INC.

Inventor： Byounggill KIM ,  Jaehyung KIM ,  Jaeho HWANG ,  Woosuk KO ,  Sungryong HONG

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

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, demultiplexing input streams into plural PLPs (Physical Layer Pipes); encoding data of the each PLPs according to each physical layer profiles, wherein the physical layer profiles are configurations based on reception condition, wherein the each physical layer profiles include: LDPC (Low Density Parity Check) encoding the data of the PLP, bit interleaving the LDPC encoded data of the PLP; building plural signal frames by mapping the encoded data of the each PLPs, wherein each signal frame belongs to one of the physical layer profiles, wherein a super frame includes at least two built signal frames; and modulating data in the built plural signal frames by OFDM (Orthogonal Frequency Division Multiplexing) method and transmitting the broadcast signals having the modulated data,

公开(公告)号：US20170142497A1

公开(公告)日：2017-05-18

申请号：US15419489

申请日：2017-01-30

Applicant: LG ELECTRONICS INC.

Inventor： Woochan KIM ,  Sungryong HONG ,  Woosuk KO ,  Jaeho HWANG ,  Byounggill KIM ,  Jaehyung KIM

IPC: H04N21/81 ,  H04L29/06 ,  H04N21/61 ,  H04N21/2383 ,  H04N21/438

CPC classification number: H04N21/814 ,  H04L69/22 ,  H04N5/38 ,  H04N7/08 ,  H04N21/2383 ,  H04N21/4382 ,  H04N21/6112 ,  H04N21/615

Abstract: A method for transmitting a broadcast signal, the method includes encoding data pipe (DP) data corresponding to each of a plurality of DPs; mapping the encoded DP data to data symbols to generate at least one signal frame; modulating data in the at least one signal frame using an orthogonal frequency division multiplex (OFDM) scheme; inserting a preamble at a beginning of each of the at least one signal frame in a time domain; and transmitting a broadcast signal having the preamble and the modulated data of the at least one signal frame, wherein the preamble includes a wake-up indicator which wakes up a receiver to decode a DP for an emergency alert table (EAT) and acquire the EAT.

公开(公告)号：US20170141942A1

公开(公告)日：2017-05-18

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: H04L27/26 ,  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.