公开(公告)号：US20180115450A1

公开(公告)日：2018-04-26

申请号：US15800989

申请日：2017-11-01

Applicant: LG Electronics Inc.

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

IPC: H04L27/26 ,  H04L1/00 ,  H04H20/30 ,  H04N21/434 ,  H04N21/2383 ,  H04N21/2362 ,  H03M13/00 ,  H04N21/438

CPC classification number: H04L27/2627 ,  H03M13/616 ,  H04H20/30 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0061 ,  H04L27/2649 ,  H04N21/2362 ,  H04N21/2383 ,  H04N21/4345 ,  H04N21/4382

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：US09930383B2

公开(公告)日：2018-03-27

申请号：US14904892

申请日：2014-08-01

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/2362 ,  H04N21/236 ,  H04N21/2381 ,  H04N21/2383 ,  H04N21/414 ,  H04N21/434 ,  H04N21/438 ,  H04N21/61 ,  H04L1/00 ,  H04L27/26

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 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：US09877181B2

公开(公告)日：2018-01-23

申请号：US15153312

申请日：2016-05-12

Applicant: LG ELECTRONICS INC.

Inventor： Byungjoo Lee ,  Jinwoo Kim ,  Jaehyung Song ,  Inhwan Choi ,  Hangseok Oh

IPC: G06F15/16 ,  H04W8/00 ,  H04W48/16 ,  H04W8/18 ,  H04L29/08 ,  H04W4/00 ,  H04W84/10

CPC classification number: H04W8/005 ,  H04L67/1046 ,  H04W4/80 ,  H04W8/186 ,  H04W48/16 ,  H04W84/10

Abstract: Provided are a device discovery method and a communication device thereof. The method includes: transmitting a probe request frame; receiving a probe response frame including session information on a client connected to a group owner (GO), from the GO among source and sink devices belonging to the display group; and determining whether to associate with the display group by using the session information in the probe response frame.

公开(公告)号：US09832056B2

公开(公告)日：2017-11-28

申请号：US15379150

申请日：2016-12-14

Applicant: LG Electronics Inc.

Inventor： Jinwoo Kim ,  Jaehyung Kim ,  Sungryong Hong ,  Jaeho Hwang ,  Jongwoong Shin ,  Woosuk Ko

IPC: H04L27/26 ,  H04L5/00 ,  H04L1/00 ,  H03M13/09 ,  H03M13/11 ,  H03M13/15

CPC classification number: H04L27/2602 ,  H03M13/09 ,  H03M13/1102 ,  H03M13/152 ,  H04L1/0013 ,  H04L1/0041 ,  H04L1/0042 ,  H04L1/0045 ,  H04L1/0058 ,  H04L1/0061 ,  H04L1/0064 ,  H04L1/0068 ,  H04L1/0071 ,  H04L5/0023 ,  H04L5/0053 ,  H04L27/2601 ,  H04N5/00 ,  H04N5/067

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 corresponding to each of a plurality of data transmission units, an encoder for encoding physical signaling data by a shortening scheme and a puncturing scheme, a mapper for mapping the encoded service data onto constellations, a frame builder for building at least one signal frame including preamble data, a modulator for modulating the at least one signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme, a transmitter for transmitting the broadcast signals carrying the at least one modulated signal frame.

公开(公告)号：US09661395B2

公开(公告)日：2017-05-23

申请号：US14908826

申请日：2014-08-01

Applicant: LG ELECTRONICS INC.

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

IPC: H04N7/16 ,  H04N21/61 ,  H04N21/236 ,  H04N21/2362 ,  H04N21/2381 ,  H04N21/2383 ,  H04N21/414 ,  H04N21/434 ,  H04N21/438 ,  H04L1/00 ,  H03M13/11 ,  H03M13/25 ,  H03M13/03 ,  H03M13/27 ,  H03M13/15

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：US09413577B2

公开(公告)日：2016-08-09

申请号：US14932522

申请日：2015-11-04

Applicant: LG ELECTRONICS INC.

Inventor： Jongwoong Shin ,  Jinwoo Kim ,  Woosuk Ko ,  Jaeho Hwang ,  Sungryong Hong

IPC: H04K1/10 ,  H04L27/26 ,  H04L1/00 ,  H04L1/06 ,  H04H20/33 ,  H04H20/42 ,  H04H20/59

CPC classification number: H04L27/2646 ,  H04H20/33 ,  H04H20/423 ,  H04H20/59 ,  H04L1/0042 ,  H04L1/0048 ,  H04L1/0057 ,  H04L1/0063 ,  H04L1/0064 ,  H04L1/0071 ,  H04L1/0083 ,  H04L1/009 ,  H04L1/0091 ,  H04L1/0625 ,  H04L1/0631 ,  H04L5/0007 ,  H04L27/2601

Abstract: An apparatus includes an encoder to encode service data corresponding to each of a plurality of Physical Layer Pipes, an encoder to encode signaling data by performing LDPC (Low Density Parity Check) encoding the signaling data by adding parity bits, block interleaving the LDPC encoded signaling data, and demultiplexing the block interleaved signaling data using shifting method. The shifting method is performed based on the modulation order and indices of bits. A frame builder builds at least one signal frame including the encoded service data, the encoded signaling data, a modulator modulates the at least one signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme, and a transmitter transmits the broadcast signals carrying the at least one modulated signal frame.

公开(公告)号：US20150163517A1

公开(公告)日：2015-06-11

申请号：US14598956

申请日：2015-01-16

Applicant: LG ELECTRONICS INC.

Inventor： Chulkyu MUN ,  Jinwoo Kim ,  Inhwan Choi ,  Byounggill Kim ,  Wongyu Song

IPC: H04N19/66 ,  H04L1/00

CPC classification number: H04N19/66 ,  H03M13/09 ,  H03M13/1515 ,  H03M13/256 ,  H03M13/2721 ,  H03M13/2921 ,  H03M13/293 ,  H03M13/2966 ,  H03M13/2972 ,  H03M13/356 ,  H04H20/57 ,  H04L1/005 ,  H04L1/0057 ,  H04L1/006 ,  H04L1/0061 ,  H04L1/0065 ,  H04L1/0071 ,  H04L25/0212 ,  H04L27/06 ,  H04L29/00 ,  H04L2001/0093 ,  H04L2027/0026 ,  H04N7/24 ,  H04N21/23608 ,  H04N21/23611 ,  H04N21/2362 ,  H04N21/2383 ,  H04N21/2389 ,  H04N21/4382 ,  H04N21/4383 ,  H04N21/6112

Abstract: A transmitting system, a receiving system, and a method of processing broadcast signals are disclosed. The method for processing a broadcast signal in a broadcast receiver comprises receiving a DTV signal including a data group, the data group including mobile service data, segmented known data sequences, long known data sequences and transmission parameter data, compensating carrier frequency offset of the DTV signal and channel-equalizing the carrier frequency offset compensated DTV signal using at least one of the long known data sequences and segmented known data sequences in the data group of the DTV signal, wherein the channel-equalizing includes performing a Error Correction (FEC) decoding on data located between the segmented known data sequences, and estimating Channel Impulse Response (CIR) using the FEC decoded data as known data.

Abstract translation: 公开了一种发送系统，接收系统和处理广播信号的方法。 用于在广播接收机中处理广播信号的方法包括：接收包括数据组的DTV信号，包括移动业务数据的数据组，分段的已知数据序列，长的已知数据序列和传输参数数据，补偿DTV的载波频率偏移 使用多个已知数据序列中的至少一个和DTV信号的数据组中的分段已知数据序列来信号和信道均衡载波频偏补偿DTV信号，其中信道均衡包括执行纠错（FEC）解码 在分段的已知数据序列之间的数据上，并且使用FEC解码数据作为已知数据来估计信道脉冲响应（CIR）。

公开(公告)号：US11777525B2

公开(公告)日：2023-10-03

申请号：US17339418

申请日：2021-06-04

Applicant: LG Electronics Inc.

Inventor： Jongwoong Shin ,  Bonghoe Kim ,  Jinwoo Kim ,  Ilmu Byun

IPC: H03M13/11 ,  H03M13/00 ,  H04L1/00

CPC classification number: H03M13/116 ,  H03M13/616 ,  H04L1/0057

Abstract: A method for encoding a quasi-cyclic low-density parity-check (LDPC) code according to an embodiment of the present invention may comprise the steps of: generating a multi-edge LDPC code matrix including a high rate code matrix and a single parity check code matrix; and encoding a signal by using the multi-edge LDPC code matrix, wherein the single parity check code matrix includes a first matrix having a non-row-orthogonal structure matrix and a second matrix having a pure row-orthogonal structure, which are concatenated.

公开(公告)号：US11743521B2

公开(公告)日：2023-08-29

申请号：US17876322

申请日：2022-07-28

Applicant: LG ELECTRONICS INC.

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

IPC: H04L1/00 ,  H04N21/2362 ,  H04L27/26 ,  H04N21/236 ,  H04N21/2381 ,  H04N21/2383 ,  H04N21/414 ,  H04N21/434 ,  H04N21/438 ,  H04N21/61 ,  H03M13/11 ,  H03M13/27 ,  H03M13/00 ,  H04B7/0456 ,  H04L5/00

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 ,  H04N21/2381 ,  H04N21/2383 ,  H04N21/23614 ,  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：US11729581B2

公开(公告)日：2023-08-15

申请号：US17129313

申请日：2020-12-21

Applicant: LG Electronics Inc.

Inventor： Jongyoul Lee ,  Jinwoo Kim ,  Hanbyul Seo ,  Seungmin Lee ,  Sunghoon Jung ,  Jaeho Hwang

IPC: H04W4/00 ,  H04W4/029 ,  H04W4/40 ,  H04L1/1812 ,  H04L5/00 ,  H04W92/18

CPC classification number: H04W4/029 ,  H04L1/1819 ,  H04L5/0055 ,  H04W4/40 ,  H04W92/18

Abstract: Provided herein are a method for receiving, by a first device, location information of a second device in a wireless communication system and a device for supporting the same. The method may include the steps of receiving a physical sidelink control channel (PSCCH) from the second device, and receiving location information of the second device from the second device through a physical sidelink shared channel (PSSCH) related to the PSCCH.