公开(公告)号：US09900623B2

公开(公告)日：2018-02-20

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 ,  H04L27/06 ,  H04L29/00 ,  H04N7/24 ,  H04N21/2383 ,  H04N21/2389 ,  H04N21/438 ,  H04N21/61 ,  H04L1/00 ,  H04L25/02 ,  H03M13/27 ,  H03M13/29 ,  H03M13/35 ,  H04N21/236 ,  H04N21/2362 ,  H04L27/00 ,  H03M13/09 ,  H03M13/15 ,  H03M13/25 ,  H04H20/57

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.

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.

公开(公告)号：US09838176B2

公开(公告)日：2017-12-05

申请号：US14591736

申请日：2015-01-07

Applicant: LG ELECTRONICS INC.

Inventor： Byounggill Kim ,  Jaehyung Kim ,  Woosuk Ko ,  Sungryong Hong

IPC: H04J3/24 ,  H04L5/00 ,  H04L27/26 ,  H04L1/08 ,  H04L1/00 ,  H04L27/00 ,  H04L1/06

CPC classification number: H04L5/0046 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0065 ,  H04L1/0071 ,  H04L1/06 ,  H04L1/08 ,  H04L5/0053 ,  H04L27/0008 ,  H04L27/2601 ,  H04L27/2628 ,  H04L27/265

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals, the apparatus 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 frame builder for building at least one signal frame included in a super frame, wherein each of signal frames includes the encoded service data and the encoded signaling data, a modulator for modulating the at least one signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme, wherein each of the modulated signal frame includes a preamble having basic transmission parameters, wherein a length of the preamble is extendable and a transmitter for transmitting the broadcast signals carrying the at least one modulated signal frame.

公开(公告)号：US09602888B2

公开(公告)日：2017-03-21

申请号：US14911414

申请日：2014-08-12

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/81 ,  H04N7/08 ,  H04N21/61 ,  H04N5/38 ,  H04N21/2383 ,  H04N21/438

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

Abstract: The present invention relates to a broadcast signal transmitting apparatus for transmitting a broadcast signal, a broadcast signal receiving apparatus for receiving a broadcast signal, and a method for transmitting and receiving a broadcast signal. A broadcast signal transmitting method according to the present invention may comprise the steps of: encoding data pipe (DP) data corresponding to each of a plurality of DPs that transmit one or more service components; mapping the encoded DP data to data symbols to generate one or more signal frames; modulating data existing in the one or more signal frames through an OFDM scheme; and transmitting a broadcast signal having the modulated data.

公开(公告)号：US09590781B2

公开(公告)日：2017-03-07

申请号：US14911644

申请日：2014-08-12

Applicant: LG ELECTRONICS INC.

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

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

Abstract translation: 本发明提供一种发送广播信号的方法。 根据本发明的用于发送广播信号的方法可以包括以下步骤：对与发送至少一个服务或服务组件的多个DP中的每一个对应的数据管道（DP）数据进行编码; 通过将编码的DP数据映射到数据符号来生成至少一个信号帧; 通过OFDM方案调制存在于所述至少一个信号帧中的数据; 以及发送包括调制数据的广播信号。

公开(公告)号：US09503167B2

公开(公告)日：2016-11-22

申请号：US14881957

申请日：2015-10-13

Applicant: LG ELECTRONICS INC.

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

IPC: H04K1/02 ,  H04B7/04 ,  H04L1/00 ,  H04L1/06 ,  H04L27/20 ,  H04B7/10

CPC classification number: H04H20/44 ,  H04B7/0413 ,  H04B7/0456 ,  H04B7/10 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0065 ,  H04L1/0071 ,  H04L1/06 ,  H04L5/0007 ,  H04L5/0023 ,  H04L27/2046 ,  H04L27/34

Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, formatting input streams into Data Pipe, DP, data; Low-Density Parity-Check, LDPC, encoding the DP data according to a code rate; bit interleaving the LDPC encoded DP data; mapping the bit interleaved DP data onto constellations according to one of QAM (Quadrature Amplitude Modulation), NUQ (Non-Uniform QAM) or NUC (Non-Uniform Constellation); Multi-Input Multi-Output, MIMO, encoding the mapped DP data by using a MIMO encoding matrix having a MIMO encoding parameter; building at least one signal frame by mapping the MIMO encoded DP data; and modulating data in the built signal frame by an Orthogonal Frequency Division Multiplexing, OFDM, method and transmitting the broadcast signals having the modulated data.

公开(公告)号：US09485110B2

公开(公告)日：2016-11-01

申请号：US14330740

申请日：2014-07-14

Applicant: LG Electronics Inc.

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

IPC: H04L12/18 ,  H04W4/22 ,  H04L27/26

CPC classification number: H04H20/59 ,  H04B7/0413 ,  H04L12/1895 ,  H04L27/2601 ,  H04L27/261 ,  H04L69/22 ,  H04L69/323 ,  H04W4/90

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The method for transmitting broadcast signals includes encoding PLP data; building at least one signal frame by mapping the encoded PLP data; and modulating data in the built signal frame by OFDM method and transmitting a broadcast signal having the modulated data, wherein the signal frame includes a preamble having a preamble symbol and a guard interval, wherein the guard interval is generated by using a sequence and the preamble symbol.

Abstract translation: 公开了一种用于发送广播信号的方法和装置。 发送广播信号的方法包括编码PLP数据; 通过映射编码的PLP数据构建至少一个信号帧; 以及通过OFDM方法调制内置信号帧中的数据并发送具有调制数据的广播信号，其中信号帧包括具有前同码符号和保护间隔的前同步码，其中通过使用序列和前导码生成保护间隔 符号。

公开(公告)号：US09246730B2

公开(公告)日：2016-01-26

申请号：US14307004

申请日：2014-06-17

Applicant: LG ELECTRONICS INC.

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

IPC: H04L23/02 ,  H04L27/06 ,  H04L27/26 ,  H04L1/00

CPC classification number: H03M13/2792 ,  H03M13/1102 ,  H04L1/0041 ,  H04L1/0042 ,  H04L1/0045 ,  H04L1/0048 ,  H04L1/0057 ,  H04L1/0058 ,  H04L1/0071 ,  H04L1/0083 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/0048 ,  H04L27/2613 ,  H04L27/2627 ,  H04L2001/0093

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The method for transmitting broadcast signals includes encoding DP data according to a code rate, wherein the encoding further includes LDPC encoding the DP data according to the code rate, bit interleaving the LDPC encoded DP data, mapping the bit interleaved DP data onto constellations, MIMO (Multi Input Multi Output) encoding the mapped DP data, and time interleaving the MIMO encoded DP data; building at least one signal frame by arranging the encoded DP data; and modulating data in the built signal frame by OFDM method and transmitting the broadcast signals having the modulated data, wherein the step of modulating includes inserting CPs in the built signal frame based on a CP set which includes information about locations of CPs, wherein the CP set is defined based on FFT size.

Abstract translation: 公开了一种用于发送广播信号的方法和装置。 用于发送广播信号的方法包括根据码率对DP数据进行编码，其中编码还包括根据码率对DP数据进行LDPC编码，对LDPC编码的DP数据进行比特交织，将位交织的DP数据映射到星座，MIMO （多输入多输出）编码映射的DP数据，以及对MIMO编码的DP数据进行时间交织; 通过布置编码的DP数据构建至少一个信号帧; 以及通过OFDM方法调制内置信号帧中的数据并发送具有调制数据的广播信号，其中调制步骤包括基于包括关于CP位置的信息的CP集合在内建信号帧中插入CP，其中CP 基于FFT大小定义集合。

公开(公告)号：US09219630B2

公开(公告)日：2015-12-22

申请号：US14559364

申请日：2014-12-03

Applicant: LG ELECTRONICS INC.

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

IPC: H04L27/00 ,  H04L27/26 ,  H04L1/00 ,  H04L5/00 ,  H04W4/06

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.

Abstract translation: 用于发送广播信号的装置包括：输入格式化模块，被配置为将输入流解复用为至少一个数据管道（DP）; BICM模块，被配置为对所述至少一个DP的数据执行纠错处理; 信号帧构建模块，被配置为将所述DP的数据映射到信号帧内的符号; 以及OFDM生成模块，被配置为通过在所述信号帧中插入前导码并执行OFDM调制来生成发送广播信号。 OFDM生成模块包括导频信号插入模块，该导频信号插入模块被配置为将包括连续导频（CP）和散射导频（SP）的导频信号插入到传输广播信号中，并且将CP插入到信号帧的每个符号中， 基于快速傅里叶变换（FFT）大小来确定CP的数量。

公开(公告)号：US20150155981A1

公开(公告)日：2015-06-04

申请号：US14549262

申请日：2014-11-20

Applicant: LG Electronics Inc.

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

IPC: H04L5/00 ,  H04L27/26

CPC classification number: H04L5/0007 ,  H04L1/0042 ,  H04L1/0048 ,  H04L1/0057 ,  H04L1/0061 ,  H04L1/0065 ,  H04L1/0068 ,  H04L1/0071 ,  H04L1/06 ,  H04L5/0053 ,  H04L27/2602 ,  H04L27/2627 ,  H04L27/2649 ,  H04L27/2656 ,  H04L2001/0093

Abstract: Provided is a method for transmitting a broadcast signal, including: formatting input streams into multiple data pipes (DPs); encoding data of the multiple DPs for each DP; generating at least one signal frames by mapping the encoded data; and modulating data of the generated signal frame using an orthogonal frequency division multiplexing (OFDM) scheme and transmitting a broadcast signal comprising the modulated data of the signal frame, wherein the signal frame includes a preamble, a PLS (Physical Layer Signaling) and EAC (Emergency Alert Channel), the preamble and the PLS include EAC flag information indicating whether there exists EAC in the signal frame, and when the EAC flag information indicates that there exists EAC in the current frame, the PLS further comprises EAC length information, and when the EAC flag information indicates that there doesn't exist EAC in the current frame, the PLS further comprises control information related to EAC transmission.

Abstract translation: 提供了一种用于发送广播信号的方法，包括：将输入流格式化成多个数据管道（DP）; 编码每个DP的多个DP的数据; 通过映射编码数据来产生至少一个信号帧; 以及使用正交频分复用（OFDM）方式调制所生成的信号帧的数据，并发送包括所述信号帧的调制数据的广播信号，其中所述信号帧包括前置码，PLS（物理层信令）和EAC（ 紧急报警信道），前导码和PLS包括指示信号帧中是否存在EAC的EAC标志信息，当EAC标志信息表示当前帧中存在EAC时，PLS还包括EAC长度信息，当 EAC标志信息表示当前帧中不存在EAC，PLS还包括与EAC传输相关的控制信息。