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公开(公告)号：US09941985B2
公开(公告)日：2018-04-10
申请号：US15289658
申请日：2016-10-10
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 , H04B7/0413 , H04L1/00 , H04L1/06 , H04B7/0456 , H04L27/20 , H04L27/34 , H04B7/10 , H04L5/00
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：US20170164328A1
公开(公告)日：2017-06-08
申请号：US15434858
申请日：2017-02-16
Applicant: LG ELECTRONICS INC.
Inventor： Jaeho Hwang , Byounggill KIM , Woochan Kim , Jaehyung Kim , Sungryong Hong , Chulkyu Mun , Jinyong Choi , Jonbseob Baek , Kookyeon Kwak , Woosuk Ko
CPC classification number: H04W72/005 , H04H20/72 , H04L1/0033 , H04L1/0036 , H04L1/0057 , H04L1/0065 , H04L1/0068 , H04L1/0071 , H04L1/06 , H04L5/0007 , H04L27/2601 , H04L69/04 , H04W28/06
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：US09674021B2
公开(公告)日：2017-06-06
申请号：US14559213
申请日：2014-12-03
Applicant: LG ELECTRONICS INC.
Inventor： Chulkyu Mun , Byounggill Kim , Jaehyung Kim , Woosuk Ko , Sungryong Hong
CPC classification number: H04L27/265 , G06F11/10 , H04L1/00 , H04L1/0041 , H04L1/0071 , H04L1/0075 , H04L5/0064 , H04L12/18 , H04L27/26 , H04L27/2611 , H04L27/2613 , H04L27/2646 , H04L27/2649 , 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：US09668239B2
公开(公告)日：2017-05-30
申请号：US14758923
申请日：2014-05-15
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
IPC: H04H20/71 , H04W72/00 , H04W4/06 , H04L5/00 , H04N21/236 , H04N21/434
CPC classification number: H04W72/005 , H04H20/71 , H04L5/0007 , H04L5/0044 , H04N21/236 , H04N21/434 , H04W4/06
Abstract: The present invention provides a method for transmitting broadcast signal. The method for transmitting a broadcast signal according to the present invention comprises the steps of: demultiplexing at least one input stream into a plurality of DPs (Data Pipes) wherein the step of demultiplexing includes the steps of dividing the input stream into a plurality of DPs in which data of the plurality of DPs include one or more consecutive input packets, segmenting the data of the plurality of DPs into data units each having the same length as that of a payload of a BB frame, cyclic-shifting the input packets of the divided data, allocating the cyclic-shifted input packets to the payload of the BB frame, and inserting a header before the payload of the BB frame; and processing and transmitting the data of the plurality of DPs per DP.
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公开(公告)号：US09609628B2
公开(公告)日：2017-03-28
申请号：US14278431
申请日：2014-05-15
Applicant: LG Electronics Inc.
Inventor： Jaeho Hwang , Byounggill Kim , Woochan Kim , Jaehyung Kim , Sungryong Hong , Chulkyu Mun , Jinyong Choi , Jonbseob Baek , Kookyeon Kwak , Woosuk Ko
IPC: H04H20/71 , H04W72/00 , H04L5/00 , H04L29/06 , H04L27/26 , H04H20/72 , H04L1/00 , H04L1/06 , H04W28/06
CPC classification number: H04W72/005 , H04H20/72 , H04L1/0033 , H04L1/0036 , H04L1/0057 , H04L1/0065 , H04L1/0068 , H04L1/0071 , H04L1/06 , H04L5/0007 , H04L27/2601 , H04L69/04 , H04W28/06
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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Patent Agency Ranking
26.发明申请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：US20160261447A1
公开(公告)日：2016-09-08
申请号：US15153282
申请日：2016-05-12
Applicant: LG Electronics Inc.
Inventor： Byounggill Kim , Woochan Kim , Jaehyung Kim , Sungryong Hong , Chulkyu Mun , Jinyong Choi , Jaeho Hwang , Jongseob Baek , Kookyeon Kwak , Woodsuk 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.
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编码携带至少一个服务的DP（数据管道）数据，将编码的DP数据映射到星座上，对映射的DP数据进行时间交织，构建包括时间交织的DP数据的至少一个信号帧，调制数据 在通过OFDM方案构建的至少一个信号帧中，并发送具有调制数据的广播信号，其中至少一个信号帧包括紧急警报信息。
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公开(公告)号：US11271785B2
公开(公告)日：2022-03-08
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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28.发明授权公开(公告)号：US10708621B2
公开(公告)日：2020-07-07
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 , H04L27/06 , H04L1/00 , H04L25/02 , H03M13/27 , H03M13/29 , H03M13/35 , H04N21/2383 , H04N21/438 , H04N21/61 , H04L29/00 , H04N7/24 , H04N21/2389 , H04L27/00 , H03M13/09 , H03M13/15 , H03M13/25 , H04H20/57 , H04N21/236 , H04N21/2362
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：US10652700B2
公开(公告)日：2020-05-12
申请号：US15926389
申请日：2018-03-20
Applicant: LG ELECTRONICS INC.
Inventor： Jaehyung Kim , Woosuk Ko , Chulkyu Mun , Sungryong Hong
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：US10530620B2
公开(公告)日：2020-01-07
申请号：US16118943
申请日：2018-08-31
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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