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公开(公告)号：US10079663B2
公开(公告)日：2018-09-18
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：US10021535B2
公开(公告)日：2018-07-10
申请号：US14995479
申请日：2016-01-14
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: Discussed herein is a broadcast signal receiver. The broadcast signal receiver according to an embodiment of the present invention includes a synchronization and demodulation module configured to perform signal detection and OFDM demodulation on a received broadcast signal, a frame parsing and deinterleaving module configured to parse and deinterleave the signal frame of the broadcast signal, a demapping and decoding module configured to convert the data of at least one Physical Layer Pipe (PLP) of the broadcast signal into a bit domain and to FEC-decode the data, and an output processing module configured to receive the data of the at least one PLP and to output the received data in a data stream form.
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公开(公告)号：US09935809B2
公开(公告)日：2018-04-03
申请号：US15586771
申请日：2017-05-04
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 demodulator configured to perform Orthogonal Frequency Division Multiplexing (OFDM) demodulation on a received broadcast signal; a frame parser configured to derive service data by parsing a signal frame of the received broadcast signal based on a number of carriers of the signal frame; a decoder configured to perform error correction on the service data; and an output processor configured to receive the service data and output a data stream, wherein the number of carriers of the signal frame is determined by equation: NoC=NoC_max−k*Δ, the NoC being the number of carriers, the NoC_max being maximum number of carriers, the k being a reducing coefficient and the Δ being a control unit value, wherein the k ranges from 0 to 4 and the Δ is 96 for 8K Fast Fourier Transform (FFT), 192 for 16K FFT, 384 for 32K FFT.
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公开(公告)号：US09860021B2
公开(公告)日：2018-01-02
申请号：US14782913
申请日：2014-04-14
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 , Sangchul Moon
IPC: H04L1/00 , H04H60/73 , H04L27/26 , H04N21/426 , H04H20/72
CPC classification number: H04L1/0071 , H04H20/72 , H04H60/73 , H04L1/0042 , H04L27/2626 , H04L27/2647 , H04N21/42607
Abstract: A broadcast signal transmitting device according to one embodiment of the present invention comprises: an encoder for forward error correction (FEC) encoding data pipe (DP) data transmitted via multiple DPs, wherein each DP transmits at least one service or at least one service component; a signaling encoder for encoding signaling data; an interleaver for interleaving the encoded DP data; a frame builder for mapping the interleaved DP data and the encoded signaling data and then generating at least one signal frame, wherein the interleaved DP data is mapped according to the type of the DPs transmitting the respective DP data, and wherein the encoded signaling data includes type information indicative of the type of each DP; a modulation unit for modulating the at least one generated signal frame in an orthogonal frequency division multiplexing (OFDM) scheme; and a transmitter for transmitting a broadcast signal including the at least one modulated signal frame.
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公开(公告)号：US09768995B2
公开(公告)日：2017-09-19
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.
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Patent Agency Ranking
公开(公告)号：US09723456B2
公开(公告)日：2017-08-01
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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公开(公告)号：US09712292B2
公开(公告)日：2017-07-18
申请号：US14894881
申请日：2014-05-28
Applicant: LG ELECTRONICS INC.
Inventor： Chulkyu Mun , Byounggill Kim , Woochan Kim , Jaehyung Kim , Sungryong Hong , Jinyong Choi , Jaeho Hwang , Jongseob Baek , Kookyeon Kwak , Woosuk Ko
CPC classification number: H04L5/0007 , H04B7/0413 , H04H20/00 , H04H20/72 , H04H60/73 , H04L1/00 , H04L5/0048 , H04L65/607
Abstract: An apparatus for transmitting a broadcast signal according to one embodiment of the present invention comprises: an encoder for encoding data pipe (DP) data corresponding to a DP which transmits at least one broadcast service or broadcast service component; a mapper for mapping the encoded DP data on a constellation; a time interleaver for time-interleaving the mapped DP data; a frame builder for generating at least one signal frame builder for generating at least one signal frame including the time-interleaved DP data; a pilot inserting unit for inserting signal frame, according to at least one pilot pattern; an OFDM modulator for OFDM-modulating the at least one generated signal frame using OFDM parameters; and a transmitter for transmitting at least one broadcast signal including the at least one modulated signal frame.
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公开(公告)号：US09621393B2
公开(公告)日：2017-04-11
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 , 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：US09432233B2
公开(公告)日：2016-08-30
申请号：US14948729
申请日：2015-11-23
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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70.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：US09369325B2
公开(公告)日：2016-06-14
申请号：US14157314
申请日：2014-01-16
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.
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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