公开(公告)号：US20160049998A1

公开(公告)日：2016-02-18

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: H04B7/04 ,  H04L27/20

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.

Abstract translation: 本发明提供一种发送广播信号的方法。 该方法包括将输入流格式化为数据管道，DP，数据; 低密度奇偶校验LDPC，根据码率对DP数据进行编码; 比特交织LDPC编码的DP数据; 根据QAM（正交幅度调制），NUQ（Non-Uniform QAM）或NUC（Non-Uniform Constellation）之一将位交织的DP数据映射到星座上; 多输入多输出MIMO，通过使用具有MIMO编码参数的MIMO编码矩阵对映射的DP数据进行编码; 通过映射MIMO编码的DP数据构建至少一个信号帧; 以及通过正交频分复用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。

公开(公告)号：US20150078473A1

公开(公告)日：2015-03-19

申请号：US14542007

申请日：2014-11-14

Applicant: LG Electronics Inc.

Inventor： Woosuk KO ,  Sangchul MOON ,  Seoyoung BACK

IPC: H04H20/71 ,  H04L1/00 ,  H04B7/04

CPC classification number: H04H20/71 ,  H04H20/57 ,  H04L1/0042 ,  H04L1/0048 ,  H04L1/0065 ,  H04L1/007 ,  H04L1/0071 ,  H04L2001/0093

Abstract: As an aspect of the present invention, an embodiment of the invention provides a method of transmitting broadcast data, the method comprising: encoding transmission units for forward error correction, wherein the transmission units carry the broadcast data which carry a service or service component; mapping the encoded transmission units on constellations; MIMO encoding the mapped transmission units; time-interleaving the MIMO encoded transmission units; building signal frames including the time-interleaved transmission units; modulating the signal frames by Orthogonal Frequency Division Multiplexing, OFDM scheme; and transmitting the modulated signal frames, wherein the transmitted signal frames include preambles, the preambles having physical signaling data for the transmission units.

Abstract translation: 作为本发明的一个方面，本发明的实施例提供了一种发送广播数据的方法，所述方法包括：对用于前向纠错的发送单元进行编码，其中传输单元携带携带服务或服务组件的广播数据; 将编码的传输单元映射到星座上; MIMO编码映射的传输单元; 时间交织MIMO编码的传输单元; 构建信号帧，包括时间交织的传输单元; 通过正交频分复用，OFDM方案对信号帧进行调制; 以及发射调制信号帧，其中所发送的信号帧包括前导码，所述前同步码具有用于所述传输单元的物理信令数据。

公开(公告)号：US20140195879A1

公开(公告)日：2014-07-10

申请号：US14202962

申请日：2014-03-10

Applicant: LG ELECTRONICS INC.

Inventor： Hotaek HONG ,  Sangchul MOON ,  Woosuk KO

IPC: H04L1/00

CPC classification number: H04N21/2362 ,  H04B7/0413 ,  H04H20/42 ,  H04L1/0041 ,  H04L1/0057 ,  H04L1/0071 ,  H04L1/0072 ,  H04L27/2601 ,  H04L27/2626 ,  H04N21/234327 ,  H04N21/2383 ,  H04N21/4345 ,  H04N21/4382 ,  H04N21/6125 ,  H04N21/64322 ,  H04W28/06

Abstract: A transmitter and method of processing broadcast data are discussed. In one embodiment, the method includes Forward Error Correction (FEC) encoding Physical Layer Pipe (PLP) data at a first code rate; FEC encoding first signaling data at a second code rate; FEC encoding second signaling data at a third code rate; time interleaving the FEC-encoded PLP data; frequency interleaving the time-interleaved PLP data by a pair of consecutive cells; and modulating the frequency-interleaved PLP data, the FEC-encoded first signaling data, and the FEC-encoded second signaling data by an Orthogonal Frequency Division Multiplexing (OFDM) method, wherein the first signaling data include FEC type information of the second signaling data and wherein the second signaling data include FEC type information and the first code rate used by the PLP data.

Abstract translation: 讨论了一种处理广播数据的发射机和方法。 在一个实施例中，该方法包括以第一编码速率编码物理层管道（PLP）数据的前向纠错（FEC） FEC以第二码率编码第一信令数据; FEC以第三码率编码第二信令数据; 时间交织FEC编码的PLP数据; 通过一对连续小区对时间交织的PLP数据进行频率交织; 以及通过正交频分复用（OFDM）方法调制频率交错PLP数据，FEC编码的第一信令数据和FEC编码的第二信令数据，其中第一信令数据包括第二信令数据的FEC类型信息 并且其中所述第二信令数据包括由所述PLP数据使用的FEC类型信息和所述第一码率。

公开(公告)号：US20200059676A1

公开(公告)日：2020-02-20

申请号：US16525107

申请日：2019-07-29

Applicant: LG ELECTRONICS INC.

Inventor： Sangchul MOON ,  Woosuk KO ,  Sungryong HONG ,  Jinwoo KIM ,  Jongwoong SHIN

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

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 lease 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：US20200021860A1

公开(公告)日：2020-01-16

申请号：US16522284

申请日：2019-07-25

Applicant: LG ELECTRONICS INC.

Inventor： Sangchul MOON ,  Woosuk KO ,  Sungryong HONG ,  Jinwoo KIM ,  Jongwoong SHIN

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

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 lease 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：US20170366843A1

公开(公告)日：2017-12-21

申请号：US15690637

申请日：2017-08-30

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk KO ,  Sangchul MOON ,  Hotaek HONG

IPC: H04N21/434 ,  H04N19/66 ,  H04N21/4402 ,  H04N21/438 ,  H04N21/431 ,  H04N21/426 ,  H04N21/262 ,  H04N21/2362 ,  H04N21/643 ,  H03M13/25 ,  H04L27/26 ,  H04L5/00 ,  H04L1/00 ,  H04H60/11 ,  H04B7/0413 ,  H03M13/27 ,  H04N21/84 ,  H03M13/09

CPC classification number: H04N21/4343 ,  H03M13/09 ,  H03M13/251 ,  H03M13/2796 ,  H04B7/0413 ,  H04H60/11 ,  H04L1/0041 ,  H04L1/0047 ,  H04L5/0044 ,  H04L5/0048 ,  H04L5/0053 ,  H04L27/2613 ,  H04L27/2647 ,  H04N19/66 ,  H04N21/2362 ,  H04N21/262 ,  H04N21/42676 ,  H04N21/431 ,  H04N21/4345 ,  H04N21/4382 ,  H04N21/440227 ,  H04N21/64322 ,  H04N21/84

Abstract: Disclosed is a broadcasting signal transmission device, a broadcasting signal reception device, and a method for transmitting/receiving a broadcasting signal using same. The method for receiving the broadcasting signal comprises the following steps: receiving the broadcasting signal, which includes a transmission frame, wherein the transmission frame includes a plurality of PLPs, which transmit components that constitute a broadcasting service, first signaling information and second signaling information, which include the signaling information of the plurality of PLPs, a first preamble signal, which has been signaled with a preamble format, and a second preamble signal, which has been signaled with pilot pattern information, wherein one of the plurality of PLPs is a base PLP, which includes a program number that corresponds to the broadcasting service and program map table information, which has been signaled with identifying information for each of the PLPs; demodulating the broadcasting signal based on the first and the second preamble signals; FEC decoding the demodulated broadcasting signal; and identifying a PLP group that includes the plurality of PLP from the FEC decoded broadcasting signal based on the first and the second signaling information, decoding at least one PLP of the identified PLP group, and providing the broadcasting service.

公开(公告)号：US20170302492A1

公开(公告)日：2017-10-19

申请号：US15643044

申请日：2017-07-06

Applicant: LG ELECTRONICS INC.

Inventor： Jinyong CHOI ,  Woosuk KO ,  Sangchul MOON ,  Sungryong HONG

IPC: H04L27/26 ,  H04B7/10 ,  H04B7/04 ,  H04B7/08 ,  H04L1/00 ,  H04L5/00

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：US20170280172A1

公开(公告)日：2017-09-28

申请号：US15619198

申请日：2017-06-09

Applicant: LG Electronics Inc.

Inventor： Hotaek HONG ,  Sangchul MOON ,  Woosuk KO

IPC: H04N21/2362 ,  H04L27/26 ,  H04N21/61 ,  H04N21/434 ,  H04N21/2383 ,  H04W28/06 ,  H04H20/42 ,  H04N21/438 ,  H04N21/643 ,  H04N21/2343 ,  H04B7/0413 ,  H04L1/00

CPC classification number: H04N21/2362 ,  H04B7/0413 ,  H04H20/42 ,  H04L1/0041 ,  H04L1/0057 ,  H04L1/0071 ,  H04L1/0072 ,  H04L27/2601 ,  H04L27/2626 ,  H04N21/234327 ,  H04N21/2383 ,  H04N21/4345 ,  H04N21/4382 ,  H04N21/6125 ,  H04N21/64322 ,  H04W28/06

Abstract: A transmitter and method of processing broadcast data are discussed. In one embodiment, the method includes Forward Error Correction (FEC) encoding Physical Layer Pipe (PLP) data at a first code rate; FEC encoding first signaling data at a second code rate; FEC encoding second signaling data at a third code rate; time interleaving the FEC-encoded PLP data; frequency interleaving the time-interleaved PLP data by a pair of consecutive cells; and modulating the frequency-interleaved PLP data, the FEC-encoded first signaling data, and the FEC-encoded second signaling data by an Orthogonal Frequency Division Multiplexing (OFDM) method, wherein the first signaling data include FEC type information of the second signaling data and wherein the second signaling data include FEC type information and the first code rate used by the PLP data.

公开(公告)号：US20170257187A1

公开(公告)日：2017-09-07

申请号：US15599873

申请日：2017-05-19

Applicant: LG ELECTRONICS INC.

Inventor： Yonghak SUH ,  Sangchul MOON ,  Jongwoong SHIN ,  Woosuk KO ,  Sungryong HONG

IPC: H04L1/00

CPC classification number: H04L27/2649 ,  H03M13/1102 ,  H03M13/2792 ,  H04L1/0009 ,  H04L1/0023 ,  H04L1/0042 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0058 ,  H04L1/0065 ,  H04L1/0071 ,  H04L5/0007 ,  H04L27/12

Abstract: A method for transmitting broadcast signals, the method includes encoding service data; parity interleaving parity bits of the encoded service data; group-wise interleaving bit groups included in the parity interleaved service data according to a permutation order; block interleaving the group-wise interleaved bit groups with a set including a number of bit groups, wherein the number of bit groups included in the set corresponds to a modulation order, wherein the block interleaving includes row-wise writing bits of the group-wise interleaved bit groups in the set; and column-wise reading 1 bit from each row of the set; building at least one signal frame including the block interleaved service data; modulating data in the built at least one signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme; and transmitting the broadcast signals having the modulated data.

公开(公告)号：US20170222701A1

公开(公告)日：2017-08-03

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

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 ,  H04N21/23614 ,  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.