公开(公告)号：US20170289636A1

公开(公告)日：2017-10-05

申请号：US15324189

申请日：2015-07-06

Applicant: LG ELECTRONICS INC.

Inventor： Seungjoo AN ,  Seungryul YANG ,  Woosuk KO ,  Jinwon LEE ,  Kyoungsoo MOON ,  Sungryong HONG ,  Minsung KWAK

IPC: H04N21/482 ,  H04N21/61 ,  H04L29/06 ,  H04L27/26 ,  H04N21/236 ,  H04N21/63 ,  H04N21/2383

CPC classification number: H04N21/482 ,  H04L27/2627 ,  H04L63/0853 ,  H04L63/0876 ,  H04N21/236 ,  H04N21/23605 ,  H04N21/2383 ,  H04N21/26283 ,  H04N21/4108 ,  H04N21/4126 ,  H04N21/42684 ,  H04N21/43 ,  H04N21/45 ,  H04N21/6112 ,  H04N21/632

Abstract: The present invention proposes a method of providing a broadcasting service. The method of providing the broadcasting service through a broadcasting receiver according to the present invention includes: a step of pairing a network interface unit and a companion device; and a step of receiving an electronic service guide (ESG) through a reception unit, wherein the method of providing the broadcasting service may include ESG data related to at least one broadcasting service.

公开(公告)号：US20170272555A1

公开(公告)日：2017-09-21

申请号：US15100122

申请日：2014-12-03

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk KWON ,  Sejin OH ,  Woosuk KO ,  Sungryong HONG ,  Kyoungsoo MOON

IPC: H04L29/08 ,  H04L9/08 ,  H04L9/32 ,  H04L29/06

CPC classification number: H04L69/322 ,  H04L9/0861 ,  H04L9/3242 ,  H04L63/0428 ,  H04L63/0457 ,  H04L69/22

Abstract: The present invention provides an apparatus for processing at least one PDU (protocol data unit) in an N layer in a transmitting side of a broadcast system, the apparatus comprising a PDU processor for receiving at least one higher (N+1) layer PDU and generating a PDU including the received at least one higher (N+1) layer PDU and a PDU post-processor for post processing the generated PDU and transmitting the post-processed PDU to a lower (N−1) layer.

公开(公告)号：US20170272206A1

公开(公告)日：2017-09-21

申请号：US15613600

申请日：2017-06-05

Applicant: LG Electronics Inc.

Inventor： Jongseob BAEK ,  Seoyoung BACK ,  Woosuk KO ,  Sungryong HONG

IPC: H04L1/00 ,  H04B7/04 ,  H04L12/927 ,  H04L29/06 ,  H04L27/36 ,  H04H20/71

CPC classification number: H04L1/0041 ,  H04B7/04 ,  H04H20/71 ,  H04L1/004 ,  H04L1/0044 ,  H04L1/0048 ,  H04L1/0071 ,  H04L1/0075 ,  H04L5/0053 ,  H04L27/36 ,  H04L47/806 ,  H04L69/22 ,  H04L2001/0093

Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, encoding, by an encoder, data in plural PLPs (Physical Layer Pipes); processing, by a framing and interleaving block, the encoded data in the plural PLPs, wherein the processing the encoded data further includes: time interleaving, by a time interleaver, the encoded data in the plural PLPs, frame mapping, by a framer, the time interleaved data onto at least one signal frame, and frequency interleaving, by a frequency interleaver, data in the at least one signal frame; and waveform modulating, by a waveform generation block, the frequency interleaved data in the at least one signal frame and transmitting, by the waveform generation block, broadcast signals having the waveform modulated data.

公开(公告)号：US20170230060A1

公开(公告)日：2017-08-10

申请号：US15496299

申请日：2017-04-25

Applicant: LG Electronics Inc.

Inventor： Jongseob BAEK ,  Woosuk KO ,  Seoyoung BACK ,  Sungryong HONG

IPC: H03M13/27 ,  H04L1/00

CPC classification number: H04L1/0041 ,  G06F11/10 ,  H03M13/1148 ,  H03M13/1165 ,  H03M13/152 ,  H03M13/253 ,  H03M13/255 ,  H03M13/271 ,  H03M13/2721 ,  H03M13/2732 ,  H03M13/2742 ,  H03M13/2767 ,  H03M13/2792 ,  H03M13/618 ,  H03M13/6541 ,  H04B1/16 ,  H04L1/0045 ,  H04L1/0058 ,  H04L1/0059 ,  H04L1/0065 ,  H04L1/0071 ,  H04L5/0044 ,  H04L12/18

Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, formatting, by an input formatting block, input streams into plural PLPs (Physical Layer Pipes); encoding, by an encoder, data in the plural PLPs; time interleaving, by a time interleaver, the encoded data in the plural PLPs, wherein the time interleaving includes: cell interleaving, by a cell interleaver, the encoded data by permuting cells in a FEC (Forward Error Correction) block in the plural PLPs; frame mapping, by a framer, the time interleaved data onto at least one signal frame; and waveform modulating, by a waveform block, the mapped data in the at least one signal frame and transmitting, by the waveform block, broadcast signals having the modulated data.

公开(公告)号：US20170187477A1

公开(公告)日：2017-06-29

申请号：US15456693

申请日：2017-03-13

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk KO ,  Seoyoung BACK ,  Sangchul MOON

IPC: H04H20/72 ,  H04L27/12 ,  H04L29/06 ,  H04L1/00

CPC classification number: H04H20/72 ,  H04B7/0413 ,  H04H20/42 ,  H04H20/71 ,  H04L1/0054 ,  H04L1/0071 ,  H04L1/0083 ,  H04L1/0668 ,  H04L25/03006 ,  H04L27/12 ,  H04L27/2613 ,  H04L27/2627 ,  H04L69/22 ,  H04L69/323

Abstract: The broadcast-signal transmitter according to one embodiment of the present invention includes: an encoder for encoding physical layer pipe (PLP) data, including a base layer and an enhancement layer of a broadcasting service, and signaling information through a SISO, and/or MIMO technique; a frame builder for generating a transmission frame, which includes a preamble having the encoded signaling information and the PLP data and an OFDM generator for modulating and transmitting a broadcast signal including the transmission frame.

公开(公告)号：US20170170919A1

公开(公告)日：2017-06-15

申请号：US15406395

申请日：2017-01-13

Applicant: LG Electronics Inc.

Inventor： Jongseob BAEK ,  Jaehyung KIM ,  Woosuk KO ,  Sungryong HONG

IPC: H04H20/72 ,  H04L27/26 ,  H04L1/00

CPC classification number: H04H20/72 ,  H04B7/0413 ,  H04L1/0071 ,  H04L27/2601 ,  H04L27/2626 ,  H04L27/2627 ,  H04L27/2637 ,  H04L27/2647 ,  H04L27/2649 ,  H04L27/265

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals comprises an encoder encoding service data, a time interleaver interleaving the encoded service data, a mapper mapping the interleaved service data into a plurality of OFDM (Orthogonal Frequency Division Multiplex) symbols to build at least one signal frame, a frequency interleaver 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, wherein the frequency interleaver calculates an interleaving address for the different interleaving-seed based on a main-PRBS sequence and a cyclic shifting value, a modulator modulating the frequency interleaved data by an OFDM scheme and a transmitter transmitting the broadcast signals having the modulated data, wherein an interleaving-seed is generated based on a cyclic shift value and an FFT size of the modulating.

公开(公告)号：US20170163377A1

公开(公告)日：2017-06-08

申请号：US15428443

申请日：2017-02-09

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob BAEK ,  Woosuk KO ,  Sungryong HONG

IPC: H04L1/00 ,  H04W4/06 ,  H04L27/26

CPC classification number: H04L5/0023 ,  H04B7/0413 ,  H04L1/0041 ,  H04L1/0058 ,  H04L1/0071 ,  H04L27/2602 ,  H04L27/2626 ,  H04L27/2627 ,  H04L27/2637 ,  H04L27/2647 ,  H04W4/06

Abstract: A method and an apparatus for transmitting 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 at least one service data, a time deinterleaver to time deinterleave each the service data, wherein the time deinterleaving is performed depending on a number of physical paths for each the service data, a damapper to demap the time deinterleaved data and a decoder to decode the demapped service data.

公开(公告)号：US20170149597A1

公开(公告)日：2017-05-25

申请号：US15421956

申请日：2017-02-01

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob BAEK ,  Woosuk KO ,  Sungryong HONG

IPC: H04L27/26 ,  H04L5/00 ,  H04L1/00 ,  H04W72/04

CPC classification number: H04L27/2649 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0065 ,  H04L1/0071 ,  H04L1/0075 ,  H04L1/04 ,  H04L1/0625 ,  H04L1/0631 ,  H04L5/0007 ,  H04L5/0044 ,  H04L27/2602 ,  H04L27/2607 ,  H04L27/2613 ,  H04L27/2627 ,  H04L27/2628 ,  H04W72/0446

Abstract: Disclosed herein is a method of receiving a broadcast signal. The method comprises receiving the broadcast signal; an Orthogonal Frequency Division Multiplexing (OFDM) demodulating on the received broadcast signal; parsing at least one signal frame from the demodulated broadcast signal to extract service data or service component data; converting the service data or service component data into bits; decoding the converted bits; and outputting a data stream comprising the decoded bits.

公开(公告)号：US20170149516A1

公开(公告)日：2017-05-25

申请号：US15327578

申请日：2015-09-03

Applicant: LG ELECTRONICS INC.

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

IPC: H04H20/95 ,  H04L29/06

Abstract: The present invention provides a method for providing a broadcast service. A method by which a broadcast signal transmitter provides the broadcast service, according to the present invention, can comprise the steps of: encoding media data into a media stream; generating signaling information for signaling the media stream; multiplexing the encoded media stream and the signaling information; and transmitting a broadcast signal including the multiplexed media stream and signaling information.

公开(公告)号：US20170134200A1

公开(公告)日：2017-05-11

申请号：US15353414

申请日：2016-11-16

Applicant: LG ELECTRONICS INC.

Inventor： Chulkyu MUN ,  Jongseob BAEK ,  Byounggill KIM ,  Jaehyung KIM ,  Woosuk KO ,  Sungryong HONG

IPC: H04L27/26 ,  H03M13/15 ,  H03M13/00 ,  H04L1/00

CPC classification number: H04L27/2602 ,  H03M13/156 ,  H03M13/6519 ,  H04L1/0042 ,  H04L1/0047 ,  H04L1/0048 ,  H04L1/0057 ,  H04L1/0058 ,  H04L1/0071 ,  H04L1/0072 ,  H04L5/0048 ,  H04L27/2613 ,  H04L27/2627 ,  H04L27/2628 ,  H04L27/265 ,  H04W4/06

Abstract: An apparatus for transmitting a broadcast signal includes an input formatting module configured to de-multiplex an input stream into at least one Data Pipe (DP); a BICM module configured to perform error correction processing on data of the at least one DP; a signal frame building module configured to map the data of the DP to symbols within a signal frame; and an OFDM generation module configured to generate a transmission broadcast signal by inserting a preamble into the signal frame and performing OFDM modulation. The OFDM generation module includes a pilot signal insertion module configured to insert a pilot signal including Continual Pilots (CP) and Scattered Pilots (SP) into the transmission broadcast signal, and the CPs are inserted into every symbol of the signal frame, and location and number of the CPs are determined based on a Fast Fourier Transform (FFT) size.