公开(公告)号：US20180062866A1

公开(公告)日：2018-03-01

申请号：US15687163

申请日：2017-08-25

Applicant: LG Electronics Inc.

Inventor： Byounggill KIM ,  Woochan KIM ,  Jaehyung KIM ,  Woosuk KO ,  Sungryong HONG ,  Chulkyu MUN ,  Jinyong CHOI ,  Jaeho HWANG ,  Jongseob BAEK ,  Kookyeon KWAK ,  Byeongkook JEONG

IPC: H04L12/18 ,  H04N21/438 ,  H04N21/434 ,  H04N21/2383 ,  H04J13/00 ,  H04L12/931 ,  H04L27/26 ,  H04L1/00 ,  H04N21/236

CPC classification number: H04L12/18 ,  H04J13/0062 ,  H04L1/0072 ,  H04L27/2613 ,  H04L49/201 ,  H04N21/236 ,  H04N21/2383 ,  H04N21/434 ,  H04N21/4382

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The method for transmitting broadcast signals including encoding DP (Data Pipe) data carrying at least one service, mapping the encoded DP data onto constellations, time interleaving the mapped DP data, building a signal frame including the time interleaved DP data, modulating data in the built signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme, and transmitting the broadcast signals having the modulated data, wherein the broadcast signals are carried in consecutive super frames, wherein each of the super frames includes multiplexed signal frames for different service in a time domain, wherein the signal frame includes a preamble located at the beginning of the at least one signal frame, wherein the preamble includes signaling information for identifying the signal frame.

公开(公告)号：US20170126251A1

公开(公告)日：2017-05-04

申请号：US15402838

申请日：2017-01-10

Applicant: LG Electronics Inc.

Inventor： Jongseob BAEK ,  Byounggill KIM, I ,  Woochan KIM ,  Jaehyung KIM ,  Sungryong HONG ,  Chulkyu MUN ,  Jinyong CHOI ,  Jaeho HWANG ,  Kookyeon KWAK ,  Woosuk KO

IPC: H03M13/27 ,  H03M13/11 ,  H04L1/00 ,  H04L27/26 ,  H04L5/00

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.

公开(公告)号：US20160269873A1

公开(公告)日：2016-09-15

申请号：US15064333

申请日：2016-03-08

Applicant: LG ELECTRONICS INC.

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

IPC: H04W4/06 ,  H04L27/26 ,  H04L27/36 ,  H04B7/04

CPC classification number: H04L27/2649 ,  H04B7/0413 ,  H04B7/10 ,  H04L27/22 ,  H04L27/2627 ,  H04L27/3444 ,  H04L27/362 ,  H04L27/38 ,  H04W4/06

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals, the apparatus comprises an encoder to encode service data, a mapper to map the encoded service data into constellations, a MIMO (Multi Input Multi Output) processor to process a pair of symbols of the mapped service data based on a rotation matrix with a rotation angle, a frame builder to build signal frames including the MIMO processed service data, a modulator to modulate data in the signal frames by an OFDM (Orthogonal Frequency Division Multiplex) scheme and a transmitter to transmit the broadcast signals having the modulated data.

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装置，该装置包括编码服务数据的编码器，映射器将编码的服务数据映射成星座; MIMO（多输入多输出）处理器，用于处理映射服务数据的一对符号，基于 具有旋转角的旋转矩阵，用于构建包括MIMO处理的服务数据的信号帧的帧构建器，用于通过OFDM（正交频分复用）方案来调制信号帧中的数据的调制器，以及发送具有 调制数据。

公开(公告)号：US20160269215A1

公开(公告)日：2016-09-15

申请号：US15060165

申请日：2016-03-03

Applicant: LG ELECTRONICS INC.

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

IPC: H04L27/34 ,  H04L27/22 ,  H04L27/38 ,  H04L27/26

CPC classification number: H04L27/2649 ,  H04B7/0413 ,  H04B7/10 ,  H04L27/22 ,  H04L27/2627 ,  H04L27/3444 ,  H04L27/362 ,  H04L27/38 ,  H04W4/06

Abstract: A method and an apparatus for receiving 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 signal frames from the demodulated broadcast signals, a MIMO (Multi Input Multi Output) processor to process service data in the parsed signal frames based on a rotation matrix with a rotation angle, a demapper to demap the MIMO processed service data and a decoder to decode the demapped service data.

Abstract translation: 公开了一种用于接收广播信号的方法和装置。 用于接收广播信号的装置，该装置包括接收广播信号的接收机，用OFDM（正交频分复用）方式解调所接收的广播信号的解调器，用于从解调的广播信号中解码信号帧的帧解析器， 基于具有旋转角度的旋转矩阵来处理解析的信号帧中的服务数据的MIMO（多输入多输出）处理器，用于解映射MIMO处理的服务数据的解映射器和解码器以对解映射的服务数据进行解码。

公开(公告)号：US20150365204A1

公开(公告)日：2015-12-17

申请号：US14760952

申请日：2014-03-17

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob BAEK ,  Byounggill KIM ,  Woochan KIM ,  Jaehyung KIM ,  Woosuk KO ,  Sungryong HONG ,  Chulkyu MUN ,  Jinyong CHOI ,  Jaeho HWANG ,  Kookyeon KWAK ,  Byeongkook JEONG

IPC: H04L5/00 ,  H04L29/06 ,  H04L1/00

CPC classification number: H04L5/0007 ,  H04H20/423 ,  H04H60/07 ,  H04L1/004 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0061 ,  H04L1/0071 ,  H04L1/0618 ,  H04L27/2602 ,  H04L27/36 ,  H04L65/4076 ,  H04L65/605 ,  H04L65/607 ,  H04N21/2383 ,  H04N21/4382

Abstract: The present invention provides a broadcast signal transmitting method. The method for transmitting a broadcast signal according to the present invention may comprise: a step of encoding data pipe (DP) data according to a code rate, the step of encoding DP data comprising a sub-step of forward error correction (FEC) encoding the DP data, a sub-step of bit-interleaving the FEC encoded DP data, and a sub-step of mapping the bit-interleaved DP data to constellation according to the code rate; a step of generating at least one signal frame by mapping the encoded DP data; and a step of modulating data of the generated signal frame by an orthogonal frequency division multiplexing (OFDM) scheme and transmitting a broadcast signal including the modulated data of the signal frame.

Abstract translation: 本发明提供广播信号发送方法。 根据本发明的用于发送广播信号的方法可以包括：根据码率对数据管道（DP）数据进行编码的步骤，对包括前向纠错（FEC）编码的子步骤的DP数据进行编码的步骤 DP数据，对FEC编码的DP数据进行位交织的子步骤，以及根据码率将比特交织的DP数据映射到星座的子步骤; 通过映射编码的DP数据来生成至少一个信号帧的步骤; 以及通过正交频分复用（OFDM）方式调制所生成的信号帧的数据并发送包括信号帧的调制数据的广播信号的步骤。

公开(公告)号：US20190245729A1

公开(公告)日：2019-08-08

申请号：US16388916

申请日：2019-04-19

Applicant: LG ELECTRONICS INC.

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

IPC: H04L27/26 ,  H04B7/10 ,  H04L1/06 ,  H04B7/0456 ,  H04B7/0413 ,  H04H20/33 ,  H04B7/08

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The method for transmitting broadcast signals, the method comprises encoding service data, encoding signaling data, MIMO (Multiple-Input and Multiple-Output) precoding the encoded service data, building at least one signal frame including the MIMO precoded service data and the encoded signaling 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：US20180248732A1

公开(公告)日：2018-08-30

申请号：US15967237

申请日：2018-04-30

Applicant: LG Electronics Inc.

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

IPC: H04L27/26 ,  H04H20/33 ,  H04B7/0413 ,  H04B7/08 ,  H04B7/10 ,  H04B7/0456 ,  H04B7/06

CPC classification number: H04L27/2627 ,  H04B7/0413 ,  H04B7/0456 ,  H04B7/0682 ,  H04B7/08 ,  H04B7/10 ,  H04H20/33 ,  H04L1/0045 ,  H04L1/06 ,  H04L5/0007 ,  H04L27/2602 ,  H04L27/2647 ,  H04L27/2649

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The method for transmitting broadcast signals, the method comprises encoding service data, encoding signaling data, MIMO (Multiple-Input and Multiple-Output) precoding the encoded service data, building at least one signal frame including the MIMO precoded service data and the encoded signaling 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：US20180145862A1

公开(公告)日：2018-05-24

申请号：US15877068

申请日：2018-01-22

Applicant: LG ELECTRONICS INC.

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

IPC: H04L27/26 ,  H04B7/0413 ,  H04L27/34 ,  H04L27/38

CPC classification number: H04L27/2649 ,  H04B7/0413 ,  H04B7/10 ,  H04L27/22 ,  H04L27/2627 ,  H04L27/3444 ,  H04L27/362 ,  H04L27/38 ,  H04W4/06

Abstract: A method and apparatus are provided for receiving/transmitting broadcast signals. One method includes receiving broadcast signals; demodulating the received broadcast signals by an OFDM (Orthogonal Frequency Division Multiplex) scheme, wherein signal frames in the received broadcast signals include physical signaling data and service data; MIMO (Multi Input Multi Output) processing the demodulated broadcast signals based on at least one of a phase-hopping matrix with a phase rotation angle and a rotation matrix with a rotation angle, wherein a value of the rotation angle depends on a modulation order and a code rate of the service data; demapping data in the MIMO processed broadcast signals; and decoding the demapped data based on the code rate, wherein when the modulation order is Non-Uniform Constellation (NUC) 16 Quadrature amplitude modulation (QAM) and the code rate is one of 2/15, 3/15, 4/15, or 5/15, then the value of the rotation angle is zero degrees.

公开(公告)号：US20180123761A1

公开(公告)日：2018-05-03

申请号：US15798142

申请日：2017-10-30

Applicant: LG ELECTRONICS INC.

Inventor： Byounggill KIM ,  Woochan KIM ,  Jaehyung KIM ,  Sungryong HONG ,  Chulkyu MUN ,  Jinyong CHOI ,  Jaeho HWANG ,  Jongseob BAEK ,  Kookyeon KWAK ,  Woosuk KO

IPC: H04L5/00 ,  H04L27/26 ,  H04L29/06

CPC classification number: H04L5/0053 ,  H04B7/0413 ,  H04H20/59 ,  H04H20/72 ,  H04J13/0062 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0071 ,  H04L5/0007 ,  H04L5/0016 ,  H04L5/0026 ,  H04L27/2611 ,  H04L27/2613 ,  H04L27/2627 ,  H04L27/2647 ,  H04L65/4076 ,  H04L65/80

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The method for transmitting broadcast signals comprises encoding DP (data pipe) data carrying at least one service, mapping the encoded DP data onto constellations, time interleaving the mapped DP data, building at least one signal frame including the time interleaved DP data, modulating data in the built at least one signal frame by an OFDM scheme and transmitting the broadcast signals having the modulated data, wherein the at least one signal frame includes emergency alert information.

公开(公告)号：US20170195157A1

公开(公告)日：2017-07-06

申请号：US15467134

申请日：2017-03-23

Applicant: LG ELECTRONICS INC.

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

IPC: H04L27/26 ,  H04L27/38 ,  H04B7/0413 ,  H04L27/34

CPC classification number: H04L27/2649 ,  H04B7/0413 ,  H04B7/10 ,  H04L27/22 ,  H04L27/2627 ,  H04L27/3444 ,  H04L27/362 ,  H04L27/38 ,  H04W4/06

Abstract: A method is provided for receiving broadcast signals. The method includes receiving broadcast signals; demodulating the received broadcast signals by an Orthogonal Frequency Division Multiplex (OFDM) scheme; Multi Input Multi Output (MIMO) processing the demodulated broadcast signals based on at least one of a phase-hoping matrix with a phase rotation angle and a rotation matrix with a rotation angle, wherein a value of the rotation angle depends on a modulation order and a code rate of transmitted data, demapping data in the MIMO processed broadcast signals; and decoding the demapped data based on the code rate.