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公开(公告)号：US09992656B2
公开(公告)日：2018-06-05
申请号：US15452335
申请日：2017-03-07
Applicant: LG ELECTRONICS INC.
Inventor： Woochan Kim , Sungryong Hong , Woosuk Ko , Jaeho Hwang , Byounggill Kim , Jaehyung Kim
IPC: H04B7/02 , H04L1/02 , H04W4/22 , H03M13/11 , H03M13/27 , H04B7/0413 , H04L27/26 , H04W4/06 , H03M13/25 , H03M13/29 , H03M13/00 , H04W52/02 , H04L5/00 , H04W76/04 , H04L12/18 , H03M13/09 , H03M13/15
CPC classification number: H04W4/90 , H03M13/09 , H03M13/1165 , H03M13/1177 , H03M13/152 , H03M13/255 , H03M13/27 , H03M13/2792 , H03M13/2906 , H03M13/6356 , H03M13/6362 , H04B7/0413 , H04L5/0007 , H04L12/189 , H04L27/2601 , H04L27/2627 , H04W4/06 , H04W52/0229 , H04W76/27 , Y02D70/00
Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The method for transmitting broadcast signals includes encoding data of PLPs (Physical Layer Pips); building at least one signal frame by mapping the encoded data of the PLPs; and modulating data in the built signal frame by OFDM (Orthogonal Frequency Division Multiplexing) method and transmitting the broadcast signals having the modulated data.
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公开(公告)号：US09992003B2
公开(公告)日：2018-06-05
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
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.
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公开(公告)号：US09954709B2
公开(公告)日：2018-04-24
申请号：US15362312
申请日：2016-11-28
Applicant: LG ELECTRONICS INC.
Inventor： Jongseob Baek , Jaehyung Kim , Woosuk Ko , Sungryong Hong
CPC classification number: H04L27/2627 , H04L1/0041 , H04L1/0058 , H04L1/0071 , H04L1/04 , H04L5/0007 , H04L5/0053 , H04L27/2602 , H04L27/2604 , H04L27/2626 , H04L27/2628 , H04L27/2633 , H04L27/2647 , H04L27/265
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, a mapper for mapping the encoded service data into a plurality of OFDM (Orthogonal Frequency Division Multiplex) symbols to build at least one signal frame, a frequency interleaver for frequency 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, a modulator for modulating the frequency interleaved data by an OFDM scheme and a transmitter for transmitting the broadcast signals having the modulated data.
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公开(公告)号：US20180109407A1
公开(公告)日：2018-04-19
申请号：US15844148
申请日：2017-12-15
Applicant: LG ELECTRONICS INC.
Inventor： Byounggill KIM , Jaehyung Kim , Jaeho Hwang , Woosuk Ko , Sungryong Hong
CPC classification number: H04L27/2613 , H04L1/0057 , H04L1/0065 , H04L1/0071 , H04L5/0007 , H04L5/0023 , H04L5/0048 , H04L27/2628 , H04L2001/0093 , H04W4/06
Abstract: The present invention provides a method of transmitting broadcast signals. The method includes encoding service data of Physical Layer Pipes (PLPs); bit interleaving the encoded service data; building at least one signal frame including the bit interleaved service data; and modulating data in the at least one signal frame by Orthogonal Frequency Division Multiplexing (OFDM) method; inserting a preamble at a beginning of each of the at least one signal frame after the modulating step; and transmitting the broadcast signals having the modulated data, wherein the preamble includes two OFDM symbols and each of the two OFDM symbols is generated by a sequence multiplication, and wherein each of the two OFDM symbols in the preamble includes information for an emergency alert.
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公开(公告)号：US09929831B2
公开(公告)日：2018-03-27
申请号：US14156966
申请日：2014-01-16
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
CPC classification number: H04L1/0041 , H04L1/0045 , H04L1/0057 , H04L1/0071 , H04L1/0072 , H04L1/0625 , H04L1/0631 , H04L1/08 , H04L27/2607 , H04L27/2613 , H04L2001/0093
Abstract: The object of the present invention can be achieved by providing a method of transmitting broadcast signals including encoding Data Pipe, DP, data, wherein the encoding further includes Forward Error Correction, FEC, encoding the DP data, Bit interleaving the FEC encoded DP data and mapping the bit interleaved DP data onto constellations; building at least one signal frame by mapping the encoded DP data; and modulating data in the at least one built signal frame by an Orthogonal Frequency Division Multiplexing, OFDM, method and transmitting the broadcast signals having the modulated data, wherein each of the at least one signal frame includes at least one preamble having repeated at least one signaling information.
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Patent Agency Ranking
公开(公告)号：US09923743B2
公开(公告)日：2018-03-20
申请号：US15585948
申请日：2017-05-03
Applicant: LG Electronics Inc.
Inventor： Jaehyung Kim , Woosuk Ko , Sungryong Hong
CPC classification number: H04L27/2602 , H03M13/09 , H03M13/1102 , H03M13/152 , H03M13/255 , H03M13/2707 , H03M13/271 , H03M13/2906 , H04L1/0004 , H04L1/001 , H04L1/0025 , H04L1/0041 , H04L1/0052 , H04L1/0057 , H04L1/0065 , H04L1/0071 , H04L5/0091 , H04L12/18 , H04L12/189 , H04L27/2607 , H04L27/2613 , H04L27/2628 , H04L27/265
Abstract: A broadcast signal transmitter is presented. The broadcast signal transmitter includes a Forward Error Correction (FEC) encoder configured to perform error correction processing on Physical Layer Pipe (PLP) data, a bit interleaver configured to bit-interleave the PLP data, a mapper configured to perform constellation mapping on the PLP data, a framer configured to generate a signal frame comprising the PLP data, and a waveform generator configured to generate a transmission signal comprising the signal frame. The signal frame of the transmission signal comprises a bootstrap, a preamble, and a data part. The bootstrap comprises preamble structure information about the preamble. The preamble comprises at least one preamble symbol. The at least preamble symbol carries Layer 1 (L1) signaling data for the signal frame. The first preamble symbol comprises preamble_symbol_number information, and the preamble_symbol_number information indicates a number of preamble symbols other than the first preamble symbol.
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公开(公告)号：US09735923B2
公开(公告)日：2017-08-15
申请号：US15147207
申请日：2016-05-05
Applicant: LG Electronics Inc.
Inventor： Jongseob Baek , Byeongkook Jeong , Jaehyung Kim , Woosuk Ko , Sungryong Hong
CPC classification number: H04L27/265 , H03M13/00 , H03M13/152 , H03M13/255 , H03M13/27 , H03M13/2778 , H03M13/2906 , H04L1/0041 , H04L1/0058 , H04L1/0061 , H04L1/0071 , H04L1/0075 , H04L1/04 , H04L5/0007 , H04L5/0023 , H04L5/0044 , H04L5/0053 , H04L27/2602 , H04L27/2607 , H04L27/2626 , H04L27/2627 , H04L27/2647 , H04L27/2649 , H04L2001/0093
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 frequency 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 interleaving is performed by using two memories, 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.
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公开(公告)号：US20170230162A1
公开(公告)日：2017-08-10
申请号：US15443383
申请日：2017-02-27
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
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.
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公开(公告)号：US09722838B2
公开(公告)日：2017-08-01
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
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.
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50.发明授权Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcast signals and method for receiving broadcast signals 有权用于发送广播信号的装置，用于接收广播信号的装置，用于发送广播信号的方法和用于接收广播信号的方法公开(公告)号：US09577859B2
公开(公告)日：2017-02-21
申请号：US14970171
申请日：2015-12-15
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
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。
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