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公开(公告)号：US20190238160A1
公开(公告)日：2019-08-01
申请号：US16382073
申请日：2019-04-11
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.
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公开(公告)号：US10181929B2
公开(公告)日：2019-01-15
申请号：US15689805
申请日：2017-08-29
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
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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33.发明授权公开(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.
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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
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.
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公开(公告)号：US09742604B2
公开(公告)日：2017-08-22
申请号：US15014838
申请日：2016-02-03
Applicant: LG ELECTRONICS INC.
Inventor： Jaehyung Kim , Woosuk Ko , Chulkyu Mun , Sungryong Hong
CPC classification number: H04L27/2601 , H04L1/0041 , H04L1/0042 , H04L1/0071 , H04L1/0075 , H04L25/0232 , H04L27/2611 , H04L27/2613 , H04L27/265 , H04L27/2656 , H04L27/2662 , H04L27/2666 , H04L2001/0093
Abstract: A broadcast signal receiver is disclosed. A broadcast signal receiver according to an embodiment of the present invention comprises a synchronization & demodulation module performing signal detection and OFDM demodulation on a received broadcast signal; a frame parsing & deinterleaving module performing parsing and deinterleaving of a signal frame of the broadcast signal; a demapping & decoding module performing conversion of data of at least one Physical Layer Pipe (PLP) of the broadcast signal into the bit domain and FEC decoding of the converted PLP data; and an output processing module outputting a data stream by receiving the at least one PLP data.
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Patent Agency Ranking
公开(公告)号：US09723341B2
公开(公告)日：2017-08-01
申请号：US15025055
申请日：2014-09-25
Applicant: LG ELECTRONICS INC.
Inventor： Chulkyu Mun , Jaehyung Kim , Hochul Jung , Woosuk Ko , Sungryong Hong
IPC: H04N7/173 , H04N21/2383 , H04N21/2389
CPC classification number: H04N21/2383 , H04B7/0413 , H04H20/33 , H04L27/2602 , H04L27/2618 , H04N21/2389
Abstract: The present invention relates to an apparatus for transmitting broadcast signals, an apparatus for receiving broadcast signals and methods for transmitting and receiving broadcast signals. The method of transmitting broadcast signals includes encoding data corresponding to each of data transmission channel which carries at least one service data or service component data, building at least one signal frame including the encoded data, modulating the at least one signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme; and transmitting the broadcast signals carrying the at least one modulated signal frame.
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公开(公告)号：US09712357B2
公开(公告)日：2017-07-18
申请号：US14902830
申请日：2014-07-01
Applicant: LG ELECTRONICS INC.
Inventor： Jinyong Choi , Sangchul Moon , Sungryong Hong , Woosuk Ko , Chulkyu Mun
IPC: H04L27/36 , H04L27/26 , H04N21/2383 , H03M13/27 , H04L5/00 , H04L27/38 , H04H60/00 , H04L27/00 , H03M13/11 , H03M13/25 , H03M13/29 , H03M13/00 , H03M13/09 , H03M13/15 , H04H60/73
CPC classification number: H04L27/2602 , H03M13/09 , H03M13/1102 , H03M13/1111 , H03M13/152 , H03M13/255 , H03M13/27 , H03M13/2778 , H03M13/2906 , H03M13/6356 , H04H60/00 , H04H60/73 , H04L5/00 , H04L5/0007 , H04L27/00 , H04L27/36 , H04L27/38 , H04N21/2383
Abstract: The present invention provides a method for transmitting a broadcasting signal. The method for transmitting the broadcasting signal according to the present invention comprises the steps of: encoding data of a plurality of PLPs according to a code rate, wherein the step of encoding data of a plurality of PLPs comprises the steps of LDPC-encoding data of at least one PLP of the plurality of PLPs according to the code rate, bit-interleaving the LDPC-encoded data, and mapping the bit-interleaved data to constellation; mapping the encoded data of the plurality of PLPs to generate at least one signal frame; and modulating data of the generated signal frame through an OFDM scheme and transmitting a broadcasting signal including the modulated data of the signal frame.
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38.发明授权Method for transmitting broadcast signal, method for receiving broadcast signal, apparatus for transmitting broadcast signal, and apparatus for receiving broadcast signal 有权用于发送广播信号的方法，用于接收广播信号的方法，用于发送广播信号的装置，以及用于接收广播信号的装置公开(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
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。
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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
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.
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40.发明授权Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcase 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：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
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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