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公开(公告)号：US20150163082A1
公开(公告)日：2015-06-11
申请号：US14559364
申请日：2014-12-03
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: Disclosed is an apparatus for transmitting a broadcast signal, comprising: 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, wherein the OFDM generation module comprises a pilot signal insertion module configured to insert a pilot signal comprising Continual Pilots (CP) and Scattered Pilots (SP) into the transmission broadcast signal, and wherein 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.
Abstract translation: 公开了一种用于发送广播信号的装置，包括：输入格式化模块，被配置为将输入流解复用为至少一个数据管道（DP）; BICM模块，被配置为对所述至少一个DP的数据执行纠错处理; 信号帧构建模块，被配置为将所述DP的数据映射到信号帧内的符号; 以及OFDM生成模块，被配置为通过将前导码插入所述信号帧并执行OFDM调制来生成发送广播信号，其中所述OFDM生成模块包括导频信号插入模块，所述导频信号插入模块被配置为插入包括连续导频（CP）和分散的 飞行员（SP）进入传输广播信号，并且其中CP被插入到信号帧的每个符号中，并且基于快速傅里叶变换（FFT）大小来确定CP的位置和数量。
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公开(公告)号：US20190306834A1
公开(公告)日：2019-10-03
申请号：US16447327
申请日：2019-06-20
Applicant: LG ELECTRONICS INC.
Inventor： Jaeho HWANG , Byounggill KIM , Woochan KIM , Jaehyung KIM , Sungryong HONG , Chulkyu MUN , Jinyong CHOI , Jongseob BAEK , Kookyeon KWAK , Woosuk KO
Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals comprises an input formatter to format at least one input stream to output DP (Data Pipe) data corresponding to each of a plurality of DPs, wherein the each of a plurality of DPs carries at least one service or at least one service component, an encoder to encode the DP data, a mapper to map the encoded DP data onto constellations, a time interleaver to time interleave the mapped DP data, a frame builder to build at least one signal frame including the time interleaved DP data, a modulator to modulate data in the built at least one signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme and a transmitter to transmit the broadcast signals having the modulated data.
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公开(公告)号：US20180213367A1
公开(公告)日：2018-07-26
申请号：US15926389
申请日：2018-03-20
Applicant: LG ELECTRONICS INC.
Inventor： Jaehyung KIM , Woosuk KO , Chulkyu MUN , Sungryong HONG
CPC classification number: H04W4/06 , H04L5/0007 , H04L5/0048 , H04L27/2613 , H04L27/2626 , H04L27/2666 , H04W52/325 , H04W52/54
Abstract: A broadcast signal receiver includes a tuner configured to tune a broadcast signal, a pilot detector configured to detect pilots comprised in the tuned broadcast signal, a de-framer configured to de-frame a signal frame of the broadcast signal and to extract Physical Layer Pipe (PLP) data, and a decoder configured to decode the extracted PLP data.
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公开(公告)号：US20180198655A1
公开(公告)日：2018-07-12
申请号：US15912087
申请日：2018-03-05
Applicant: LG ELECTRONICS INC.
Inventor： Jaehyung KIM , Chulkyu MUN , Woosuk KO , Jongseob BAEK , Sungryong HONG
CPC classification number: H04L27/265 , H04L1/0041 , H04L1/0042 , H04L1/0045 , H04L1/0071 , H04L5/0023 , H04L5/005 , H04L27/2602 , H04L27/2607 , H04L27/2611 , H04L27/2613 , H04L27/2647 , H04L27/2655 , H04L27/2665 , H04W72/005
Abstract: A broadcast signal receiver includes a tuner for tuning a broadcast signal, a reference signal detector for detecting pilots from the tuned broadcast signal, a de-framer for de-framing a signal frame of the broadcast signal and deriving service data based on a number of carriers of the signal frame, and a decoder for performing error correction process on the derived service data.
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公开(公告)号：US20170311134A1
公开(公告)日：2017-10-26
申请号：US15646493
申请日：2017-07-11
Applicant: LG ELECTRONICS INC.
Inventor： Jaehyung KIM , Woosuk KO , Chulkyu MUN , Sungryong HONG
CPC classification number: H04W4/06 , H04L5/0007 , H04L5/0048 , H04L27/2613 , H04L27/2626 , H04L27/2666 , H04W52/325 , H04W52/54
Abstract: A broadcast signal transmitter is provided that includes an Forward Error Correction (FEC) encoder configured to error correction process Physical Layer Pipe (PLP) data; a bit interleaver configured to bit interleave the PLP data; a framer configured to generate a signal frame comprising the PLP data, the signal frame comprising a preamble and at least one subframe; a pilot inserter configured to insert Scattered Pilots (SPs) into the signal frame; and an Inverse Fast Fourier Transform (IFFT) modulator configured to perform Orthogonal Frequency Division Multiplexing (OFDM)-modulation on the signal frame. An SP pattern of the SPs is defined by Dx and Dy, the Dx being a separation of pilot bearing carriers in a frequency direction and the Dy being a number of symbols forming one scattered pilot sequence in a time direction. The amplitude of the SPs is determined from a SP boosting parameter and the SP pattern of the SPs.
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Patent Agency Ranking
公开(公告)号：US20170207942A1
公开(公告)日：2017-07-20
申请号：US15477371
申请日：2017-04-03
Applicant: LG ELECTRONICS INC.
Inventor： Chulkyu MUN , Byounggill KIM , Jaehyung KIM , Woosuk KO , Sungryong HONG
IPC: H04L27/26
CPC classification number: H04L27/2646 , G06F11/10 , H04L1/00 , H04L1/0041 , H04L1/0071 , H04L1/0075 , H04L5/0048 , H04L5/0058 , H04L5/0064 , H04L12/18 , H04L27/26 , H04L27/2611 , H04L27/2613 , H04L27/2649 , H04L27/265 , H04L27/2655
Abstract: Disclosed is an apparatus for transmitting a broadcast signal, including: an input formatting module configured to demultiplex an input stream into at least one Data Pipe (DP); a BICM (Bit Interleaved Coding and Modulation) module configured to perform error correction processing on data of the DP; a frame building module configured to map the data of the DP to symbols within a frame; an OFDM generation module configured to generate a transmission signal by inserting a preamble into the frame and performing OFDM modulation; and a transmission parameter control module configured to set at least one transmission parameter and control transmission signal processing of the frame building module and the OFDM generation module.
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公开(公告)号：US20170134107A1
公开(公告)日：2017-05-11
申请号：US15398281
申请日：2017-01-04
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
IPC: H04H20/44 , H04L5/00 , H04B7/0413 , H04L1/00
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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公开(公告)号：US20160226694A1
公开(公告)日：2016-08-04
申请号：US15014822
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 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.
Abstract translation: 公开了广播信号发射机。 根据本发明实施例的广播信号发射机包括执行基带格式化并输出至少一个物理层管道（PLP）数据的输入格式化模块; BICM模块纠错处理PLP数据; 成帧和交织模块交织PLP数据并产生信号帧; 以及波形生成模块，其通过执行OFDM调制将前导码插入到所述信号帧中，生成广播信号。
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49.发明申请公开(公告)号：US20160204967A1
公开(公告)日：2016-07-14
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
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.
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包括以下步骤：根据码率对多个PLP的数据进行编码，其中编码多个PLP的数据的步骤包括以下步骤：LDPC编码 所述多个PLP中的至少一个PLP根据所述码率，对所述LDPC编码数据进行位交织，并将所述位交织的数据映射到星座; 映射所述多个PLP的编码数据以生成至少一个信号帧; 以及通过OFDM方案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。
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50.发明申请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：US20160197708A1
公开(公告)日：2016-07-07
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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