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公开(公告)号：US09705718B2
公开(公告)日：2017-07-11
申请号：US15284151
申请日：2016-10-03
Applicant: LG Electronics Inc.
Inventor： Jinwoo Kim , Jongwoong Shin , Woosuk Ko , Jaeho Hwang , Sungryong Hong
IPC: H04L27/00 , H04L27/26 , H04L1/00 , H04H20/72 , H04H60/07 , H04L29/08 , H03M13/11 , H03M13/25 , H03M13/27 , H03M13/29 , H03M13/00 , H04L5/00 , H03M13/15
CPC classification number: H04L27/2602 , H03M13/1102 , H03M13/1165 , H03M13/152 , H03M13/255 , H03M13/271 , H03M13/2778 , H03M13/2906 , H03M13/6356 , H03M13/6362 , H04H20/72 , H04H60/07 , H04L1/0041 , H04L1/0042 , H04L1/0045 , H04L1/0057 , H04L1/0058 , H04L1/0071 , H04L5/0007 , H04L5/0048 , H04L5/0053 , H04L27/2627 , H04L27/2649 , H04L69/324 , H04L2001/0093
Abstract: An apparatus including an encoder for encoding service data corresponding to each of a plurality of data transmission path, an encoder for encoding signaling data, wherein the signaling data includes static data and dynamic data, a frame builder for building signal frames, wherein each of signal frames includes the encoded service data and the encoded signaling data, wherein each of signal frames belongs to one of the broadcast services, wherein the static data remain constant in the signal frames belonging to the broadcast service in a duration of a super frame and the dynamic data changes by the signal frames, a modulator for modulating the signal frames by an OFDM (Orthogonal Frequency Division Multiplex) scheme and a transmitter for transmitting the broadcast signals carrying the modulated signal frames.
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公开(公告)号：US09680680B2
公开(公告)日：2017-06-13
申请号：US14908433
申请日：2014-08-01
Applicant: LG Electronics Inc.
Inventor： Sangchul Moon , Woosuk Ko , Sungryong Hong , Jinwoo Kim , Jongwoong Shin
IPC: H04L27/26 , H04H20/72 , H03M13/11 , H04L1/00 , H04N21/236 , H04N21/2383 , H04N21/434 , H04H60/73
CPC classification number: H04N21/6112 , H03M13/036 , H03M13/1111 , H03M13/1165 , H03M13/118 , H03M13/136 , H03M13/152 , H03M13/255 , H03M13/2707 , H03M13/271 , H03M13/2778 , H03M13/2906 , H04B7/0413 , H04B7/068 , H04H20/72 , H04H60/73 , H04L1/0041 , H04L1/0057 , H04L1/0071 , H04L1/0075 , H04L27/2601 , H04L27/2605 , H04L27/2627 , H04L27/2649 , H04L2001/0093 , H04N21/23605 , H04N21/2383 , H04N21/4343
Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, encoding Data Pipe, DP, data according to a code rate, wherein the encoding further includes Low-Density Parity-Check, LDPC, encoding the DP data, Bit interleaving the LDPC 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 built signal frame by an Orthogonal Frequency Division Multiplexing, OFDM, method and transmitting the broadcast signals having the modulated data.
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公开(公告)号：US09674019B2
公开(公告)日：2017-06-06
申请号：US14797969
申请日：2015-07-13
Applicant: LG ELECTRONICS INC.
Inventor： Jongseob Baek , Woosuk Ko , Sungryong Hong
CPC classification number: H04L27/2649 , H04L1/0041 , H04L1/0045 , H04L1/0065 , H04L1/0071 , H04L1/0075 , H04L1/04 , H04L1/0625 , H04L1/0631 , H04L5/0007 , H04L5/0044 , H04L27/2602 , H04L27/2607 , H04L27/2613 , H04L27/2627 , H04L27/2628 , H04W72/0446
Abstract: Disclosed herein is a method of transmitting a broadcasting signal. The method comprises formatting input streams into at least one data transmission channel, encoding data corresponding to each of data transmission channel carrying service data or service component data, building at least one signal frame comprising the encoded data, modulating the at least one signal frame by an Orthogonal Frequency Division Multiplexing (OFDM) scheme, and transmitting a broadcasting signal comprising the at least one modulated signal frame.
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公开(公告)号：US09667461B2
公开(公告)日：2017-05-30
申请号：US14863899
申请日：2015-09-24
Applicant: LG ELECTRONICS INC.
Inventor： Jongseob Baek , Woosuk Ko , Sungryong Hong
CPC classification number: H04L27/265 , H04L1/0041 , H04L1/0045 , H04L1/0071 , H04L5/0007 , H04L27/2608 , H04L27/263 , H04L27/2637 , H04L2001/0093
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 perform demodulation on the received broadcast signals by an OFDM (Orthogonal Frequency Division Multiplex) scheme, a frequency de-interleaver to frequency de-interleave the demodulated broadcast signals by using a different interleaving sequence, wherein the different interleaving sequence is used for data corresponding to an OFDM symbol pair or data corresponding to an OFDM symbol according to an FFT size of the demodulation, a frame parser to parse at least one signal frame from the frequency de-interleaved broadcast signals and a decoder to decode service data in the parsed at least one signal frame.
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公开(公告)号：US20170126448A1
公开(公告)日：2017-05-04
申请号：US15357843
申请日：2016-11-21
Applicant: LG Electronics Inc.
Inventor： Jaeho Hwang , Woosuk Ko , Sungryong Hong
CPC classification number: H04L27/2602 , H04H20/33 , H04H20/42 , H04L5/0023 , H04L27/2627 , H04L27/2649 , H04L65/60 , H04L65/607 , H04N21/20 , H04N21/236 , H04N21/2381 , H04N21/2383 , H04W28/065
Abstract: Disclosed herein is a method for sending a broadcast signal. The method includes formatting input streams into multiple data pipes (DPs). Formatting the input streams into the multiple DPs includes splitting the input streams into multiple data streams, deleting a null packet included in a data stream, and forming a baseband frame (BBF) by adding a header to the data stream. The baseband frame includes a deleted null packet (DNP) field indicative of the number of deleted null packets, and the DNP field comprises at least one of a first DNP or a second DNP.
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Patent Agency Ranking
公开(公告)号：US09641288B2
公开(公告)日：2017-05-02
申请号：US14853352
申请日：2015-09-14
Applicant: LG ELECTRONICS INC.
Inventor： Yonghak Suh , Sangchul Moon , Jongwoong Shin , Woosuk Ko , Sungryong Hong
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 and an apparatus for transmitting 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 a signal frame from the demodulated broadcast signals, a bit deinterleaver to bit deinterleave data in the parsed signal frame and a decoder to decode the bit deinterleaved data.
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公开(公告)号：US09635520B2
公开(公告)日：2017-04-25
申请号：US15060165
申请日：2016-03-03
Applicant: LG ELECTRONICS INC.
Inventor： Jinyong Choi , Woosuk Ko , Sangchul Moon , Sungryong Hong
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.
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公开(公告)号：US09621392B2
公开(公告)日：2017-04-11
申请号：US15016900
申请日：2016-02-05
Applicant: LG ELECTRONICS INC.
Inventor： Jinyong Choi , Woosuk Ko , Sangchul Moon , Sungryong Hong
IPC: H04L27/06 , H04L27/26 , H04B7/0456 , H04B7/08 , H04H20/33
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.
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209.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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公开(公告)号：US09571323B2
公开(公告)日：2017-02-14
申请号：US14995673
申请日：2016-01-14
Applicant: LG ELECTRONICS INC.
Inventor： Jaehyung Kim , Woosuk Ko , Sungryong Hong
CPC classification number: H04L27/2649 , H03M13/6522 , H04H20/59 , H04L1/0041 , H04L1/0045 , H04L1/0057 , H04L1/0071 , H04L1/0075 , H04L5/0053 , H04L27/2602 , H04L27/2626 , H04L27/2656 , H04L2001/0093 , H04N21/2383 , H04N21/4382 , H04N21/6336 , H04N21/6379 , H04N21/814
Abstract: A broadcast signal receiver is discussed. 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.
Abstract translation: 讨论广播信号接收机。 根据本发明的实施例的广播信号接收机包括对所接收的广播信号执行信号检测和OFDM解调的同步解调模块; 帧解析和解交织模块，执行广播信号的信号帧的解析和解交织; 解映射模块，其将所述广播信号的至少一个物理层管道（PLP）的数据转换为所述位域并对所转换的PLP数据进行FEC解码; 以及输出处理模块，通过接收所述至少一个PLP数据来输出数据流。
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