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公开(公告)号：US20200178041A1
公开(公告)日：2020-06-04
申请号：US16781364
申请日：2020-02-04
Applicant: LG ELECTRONICS INC.
Inventor： Jaehyung KIM , Woosuk KO , Chulkyu MUN , Sungryong HONG
Abstract: A device includes a tuner configured to tune a broadcast signal; a pilot detector configured to detect pilots in the tuned broadcast signal; a de-framer configured to parse a signal frame of the broadcast signal, the signal frame carrying Physical Layer Pipe (PLP) data, the signal frame including a preamble and at least one subframe; and a decoder configured to decode the PLP data.
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公开(公告)号：US20190222968A1
公开(公告)日：2019-07-18
申请号：US16362053
申请日：2019-03-22
Applicant: LG ELECTRONICS INC.
Inventor： Jaehyung KIM , Woosuk KO , Chulkyu MUN , Sungryong HONG
Abstract: A method for processing a broadcast signal, includes encoding Physical Layer Pipe (PLP) data; generating a signal frame by mapping the encoded PLP data onto data symbols in at least one subframe of the signal frame and mapping signaling data onto preamble symbols of a preamble of the signal frame; inserting first pilots into the data symbols of the signal frame and inserting second pilots into the preamble symbols of the signal frame, wherein the first pilots are different from the second pilots, each data symbol has a pilot density according to a first pilot pattern and each preamble symbol has a pilot density according to a second pilot pattern; and modulating data in the signal frame, the signaling information including a boosting parameter of which value has a range defined from 0 to 4 for a subframe.
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3.发明申请公开(公告)号：US20180167636A1
公开(公告)日：2018-06-14
申请号：US15882587
申请日：2018-01-29
Applicant: LG ELECTRONICS INC.
Inventor： Chulkyu MUN , Jinwoo KIM , Inhwan CHOI , Byounggill KIM , Wongyu SONG
IPC: H04N19/66 , H04N21/61 , H04N21/438 , H03M13/27 , H03M13/29 , H03M13/35 , H04L1/00 , H04N21/2389 , H04N21/2383 , H04N7/24 , H04L29/00 , H04L27/06 , H04L25/02 , H04L27/00 , H03M13/25 , H04N21/236 , H03M13/09 , H04N21/2362 , H04H20/57 , H03M13/15
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：US20170134200A1
公开(公告)日：2017-05-11
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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公开(公告)号：US20170005843A1
公开(公告)日：2017-01-05
申请号：US15217644
申请日：2016-07-22
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.
Abstract translation: 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，被配置为通过在所述信号帧中插入前导码并执行OFDM调制来生成发送广播信号。 OFDM生成模块包括导频信号插入模块，该导频信号插入模块被配置为将包括连续导频（CP）和散射导频（SP）的导频信号插入到传输广播信号中，并且将CP插入到信号帧的每个符号中， 基于快速傅里叶变换（FFT）大小来确定CP的数量。
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Patent Agency Ranking
公开(公告)号：US20160285661A1
公开(公告)日：2016-09-29
申请号：US14918323
申请日：2015-10-20
Applicant: LG ELECTRONICS INC.
Inventor： Jaehyung KIM , Chulkyu MUN , Woosuk KO , Jongseob BAEK , Sungryong HONG
IPC: H04L27/26
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 is disclosed. A broadcast signal receiver according to the present invention comprises a synchronization/demodulation module configured to perform signal detection and OFDM demodulation on a received broadcast signal; a frame parsing module configured to derive service data by parsing a signal frame of the received broadcast signal; a demapping and decoding module configured to convert an input signal into bit domain and to perform deinterleaving; and an output processing module configured to receive service data and to output a data stream.
Abstract translation: 公开了广播信号接收机。 根据本发明的广播信号接收机包括同步/解调模块，被配置为对所接收的广播信号进行信号检测和OFDM解调; 帧解析模块，被配置为通过解析所接收的广播信号的信号帧来导出服务数据; 解映射和解码模块，被配置为将输入信号转换成位域并执行去交织; 以及输出处理模块，被配置为接收服务数据并输出数据流。
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公开(公告)号：US20210135914A1
公开(公告)日：2021-05-06
申请号：US17148373
申请日：2021-01-13
Applicant: LG ELECTRONICS INC.
Inventor： Jaehyung KIM , Woosuk KO , Chulkyu MUN , Sungryong HONG
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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公开(公告)号：US20180206081A1
公开(公告)日：2018-07-19
申请号：US15918158
申请日：2018-03-12
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 includes an encoder configured to perform outer encoding and inner encoding on Physical Layer Pipe (PLP) data, a time interleaver configured to interleave the PLP data on which the outer encoding and the inner encoding are performed, a framer configured to generate a signal frame comprising the interleaved PLP data, the signal frame comprising a preamble and at least one subframe, a frequency interleave configured to interleave data comprised in the generated signal frame, a pilot inserter configured to insert Scattered Pilots (SPs) into the signal frame comprising the interleaved data, and a modulator configured to modulate the SPs inserted signal frame by Orthogonal Frequency Division Multiplexing (OFDM) modulation scheme.
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公开(公告)号：US20170359143A1
公开(公告)日：2017-12-14
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
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：US20160381518A1
公开(公告)日：2016-12-29
申请号：US15097066
申请日：2016-04-12
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: Disclosed herein is a broadcast signal transmitter. A broadcast signal transmitter according to an embodiment of the present invention includes an input formatting module configured to perform baseband formatting and to output the data of at least one Physical Layer Pipe (PLP), a BICM module configured to perform error-correction processing on the PLP data, a framing and interleaving module configured to interleave the PLP data and to generate a signal frame, and a waveform generation module configured to insert a preamble into the signal frame and to generate a broadcast signal by performing OFDM modulation.
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