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公开(公告)号：US10027999B2
公开(公告)日：2018-07-17
申请号：US15634532
申请日：2017-06-27
Applicant: LG ELECTRONICS INC.
Inventor： Chulkyu Mun , Jaehyung Kim , Hochul Jung , Woosuk Ko , Sungryong Hong
IPC: H04N7/16 , H04N21/2383 , H04N21/2389 , H04H20/33 , H04L27/26 , H04B7/0413
Abstract: A method for transmitting broadcast signals by an apparatus for transmitting broadcast signals, the method includes encoding data corresponding to each of data pipes; encoding signaling data; building at least one signal frame including the encoded data and the encoded signaling data; modulating data of the at least one signal frame by an Orthogonal Frequency Division Multiplex (OFDM) scheme; performing Peak to Average Power Ratio (PAPR) reduction for the modulated data using a tone reservation algorithm based on a Fast Fourier Transform (FFT) size; and transmitting time domain broadcast signals carrying the modulated data of the at least one signal frame, wherein the at least one signal frame comprises signaling symbols and data symbols, wherein a set of carriers in the signaling symbols and a set of carriers in the data symbols are reserved for the PAPR reduction, respectively.
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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：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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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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Patent Agency Ranking
56.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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57.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：US09537698B2
公开(公告)日：2017-01-03
申请号：US15064199
申请日：2016-03-08
Applicant: LG ELECTRONICS INC.
Inventor： Woochan Kim , Jongseob Baek , Chulkyu Mun , Woosuk Ko , Sungryong Hong
IPC: H04L27/00 , H04L27/26 , H04N21/234 , H04N21/2383 , H04N21/438 , H04B7/04 , H04H20/42 , H04H20/71 , H04H60/07 , H04B7/06 , H04N21/2362 , H04N7/08
CPC classification number: H04L27/2627 , H04B7/0413 , H04B7/06 , H04H20/42 , H04H20/71 , H04H60/07 , H04L5/0044 , H04L25/03242 , H04L25/03891 , H04L27/00 , H04L27/2602 , H04L27/2634 , H04L27/2649 , H04N7/08 , H04N21/234 , H04N21/2362 , H04N21/2383 , H04N21/4382
Abstract: An apparatus for transmitting broadcast signals includes an encoder for encoding service data corresponding to each of a plurality of transmission unit. Each of a plurality of transmission unit carries at least one service component, a frame builder for building at least one signal frame including the encoded service data, a phase distortion unit for performing a phase distortion on data in the built at least one signal frame, a modulator for modulating data in the built at least one signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme and a transmitter for transmitting the broadcast signals including the modulated data.
Abstract translation: 用于发送广播信号的装置包括：编码器，用于对与多个传输单元中的每一个对应的服务数据进行编码。 多个传输单元中的每一个承载至少一个服务组件，用于构建至少一个包括编码服务数据的信号帧的帧构建器，用于对内置的至少一个信号帧中的数据执行相位失真的相位失真单元， 调制器，用于通过OFDM（正交频分复用）方案调制所构建的至少一个信号帧中的数据，以及用于发送包括调制数据的广播信号的发射机。
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58.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：US09391725B2
公开(公告)日：2016-07-12
申请号：US14271734
申请日：2014-05-07
Applicant: LG ELECTRONICS INC.
Inventor： Jongseob Baek , Kookyeon Kwak , Byounggill Kim , Woochan Kim , Sungryong Hong , Woosuk Ko , Sangchul Moon , Chulkyu Mun , Jongwoong Shin , Jaehyung Kim
IPC: H04L27/26 , H04H20/71 , H04N21/2383 , H04N21/438 , H04H60/07 , H04H60/73
CPC classification number: H04H20/71 , H04H60/07 , H04H60/73 , H04L1/0071 , H04L5/0007 , H04L27/2602 , H04L27/2627 , H04L27/2649 , H04N21/2383 , H04N21/4382
Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals comprises an encoder for encoding Data Pipe (DP) data corresponding to each of a plurality of DPs, wherein each of a plurality of DPs carries at least one service component, a mapper for mapping the encoded DP data onto constellations, a time interleaver for time interleaving (TI) the mapped DP data at DP level by skipping cells having zero values of the DP data, a frame builder for building at least one signal frame including the time interleaved DP data, a modulator for modulating data in the built at least one signal frame by an Orthogonal Frequency Division Multiplex (OFDM) scheme and a transmitter for transmitting 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包括用于对与多个DP中的每一个对应的数据管道（DP）数据进行编码的编码器，其中多个DP中的每一个携带至少一个服务组件，用于将经编码的DP数据映射到星座上的映射器 时间交织器，用于通过跳过具有零数据的DP数据的小区来对DP级别的映射的DP数据进行时间交织（TI）;构建包括时间交织的DP数据的至少一个信号帧的帧构建器，用于调制数据的调制器 在通过正交频分复用（OFDM）方案构建的至少一个信号帧中，以及用于发送具有调制数据的广播信号的发射机。
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公开(公告)号：US10924314B2
公开(公告)日：2021-02-16
申请号：US15391589
申请日：2016-12-27
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: H04L27/26 , H04H20/71 , H04L1/00 , H04L27/34 , H04B7/0413 , H03M13/11 , H03M13/15 , H03M13/27 , H03M13/29
Abstract: A method of transmitting a broadcast signal includes encoding data which is carried by Data Pipes (DPS); mapping the encoded data to constellations; interleaving the mapped data by skipping virtual cells based on a memory address for the interleaving; building at least one signal frame having symbols including the interleaved data; frequency interleaving cells of the symbols in the at least one signal frame; modulating the at least one signal frame including the frequency interleaved cells of the symbols by an orthogonal frequency division multiplexing (OFDM) scheme; and transmitting the broadcast signal including the modulated at least one signal frame.
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公开(公告)号：US10129061B2
公开(公告)日：2018-11-13
申请号：US15673058
申请日：2017-08-09
Applicant: LG ELECTRONICS INC.
Inventor： Jaehyung Kim , Woosuk Ko , Chulkyu Mun , Sungryong Hong
Abstract: A broadcast signal transmitter is disclosed. A broadcast signal transmitter according to an embodiment of the present invention comprises an input formatting module performing baseband formatting and outputting at least one Physical Layer Pipe (PLP) data; a BICM module error-correction processing the PLP data; a framing & interleaving module interleaving the PLP data and generating a signal frame; and a waveform generating module inserting a preamble into the signal frame and generating a broadcast signal by performing OFDM modulation.
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