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公开(公告)号：US09942002B2
公开(公告)日：2018-04-10
申请号：US15217756
申请日：2016-07-22
Applicant: LG ELECTRONICS INC.
Inventor： Jongseob Baek , Woosuk Ko , Seoyoung Back , Sungryong Hong
IPC: H04L1/00 , H04B1/16 , H04L5/00 , G06F11/10 , H03M13/27 , H04L12/18 , H03M13/25 , H03M13/00 , H03M13/11 , H03M13/15
Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, formatting, by an input formatting block, input streams into plural PLPs (Physical Layer Pipes); encoding, by an encoder, data in the plural PLPs; time interleaving, by a time interleaver, the encoded data in the plural PLPs, wherein the time interleaving includes: cell interleaving, by a cell interleaver, the encoded data by permuting cells in a FEC (Forward Error Correction) block in the plural PLPs; frame mapping, by a framer, the time interleaved data onto at least one signal frame; and waveform modulating, by a waveform block, the mapped data in the at least one signal frame and transmitting, by the waveform block, broadcast signals having the modulated data.
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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：US09935734B2
公开(公告)日：2018-04-03
申请号：US14712021
申请日：2015-05-14
Applicant: LG ELECTRONICS INC.
Inventor： Jongseob Baek , Woosuk Ko , Seoyoung Back , Sungryong Hong
IPC: H04L1/00 , H04B1/16 , H04L5/00 , G06F11/10 , H03M13/27 , H04L12/18 , H03M13/25 , H03M13/00 , H03M13/11 , H03M13/15
CPC classification number: H04L1/0041 , G06F11/10 , H03M13/1148 , H03M13/1165 , H03M13/152 , H03M13/253 , H03M13/255 , H03M13/271 , H03M13/2721 , H03M13/2732 , H03M13/2742 , H03M13/2767 , H03M13/2792 , H03M13/618 , H03M13/6541 , H04B1/16 , H04L1/0045 , H04L1/0058 , H04L1/0059 , H04L1/0065 , H04L1/0071 , H04L5/0044 , H04L12/18
Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, formatting, by an input formatting block, input streams into plural PLPs (Physical Layer Pipes); encoding, by an encoder, data in the plural PLPs; time interleaving, by a time interleaver, the encoded data in the plural PLPs, wherein the time interleaving includes: cell interleaving, by a cell interleaver, the encoded data by permuting cells in a FEC (Forward Error Correction) block in the plural PLPs; frame mapping, by a framer, the time interleaved data onto at least one signal frame; and waveform modulating, by a waveform block, the mapped data in the at least one signal frame and transmitting, by the waveform block, broadcast signals having the modulated data.
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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：US09819975B2
公开(公告)日：2017-11-14
申请号：US14909345
申请日：2014-08-14
Applicant: LG ELECTRONICS INC.
Inventor： Jongseob Baek , Jaehyung Kim , Woosuk Ko , Sungryong Hong
IPC: H04N21/236 , H04N21/2383 , H04N21/438 , H04N21/6379 , H04N21/85 , H04N21/234 , H04L5/00 , H04N7/08 , H03M13/27 , H04L1/00 , H04N21/434
CPC classification number: H04N21/236 , H03M13/09 , H03M13/1102 , H03M13/152 , H03M13/255 , H03M13/27 , H03M13/2742 , H03M13/2906 , H04L1/0071 , H04L5/0007 , H04N7/08 , H04N21/234 , H04N21/2383 , H04N21/434 , H04N21/4382 , H04N21/6379 , H04N21/85
Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals comprises an encoder for encoding service data, a mapper for mapping the encoded service data into a plurality of OFDM symbols to build 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 having the modulated data.
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Patent Agency Ranking
公开(公告)号：US09787328B2
公开(公告)日：2017-10-10
申请号：US14744490
申请日：2015-06-19
Applicant: LG ELECTRONICS INC.
Inventor： Jongseob Baek , Seoyoung Back , Woosuk Ko , Sungryong Hong
IPC: H03K9/00 , H03M13/27 , H04L1/00 , H04B7/06 , H04B7/04 , H04L27/26 , H04L29/06 , H03M13/11 , H04B7/0413
CPC classification number: H03M13/2792 , H03M13/1102 , H04B7/0413 , H04B7/046 , H04B7/0606 , H04L1/0041 , H04L1/0042 , H04L1/0048 , H04L1/0057 , H04L1/0071 , H04L1/0083 , H04L1/08 , H04L27/2649 , H04L65/4076 , H04L2001/0093
Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, formatting, by an input formatting block, input streams into plural PLPs (Physical Layer Pipes); encoding, by an encoder, data in the plural PLPs; processing, by a framing and interleaving block, the encoded data in the plural PLPs to output at least one signal frame; and waveform modulating, by a waveform generation block, data in the at least one signal frame and transmitting, by the waveform generation block, broadcast signals having the waveform modulated data.
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公开(公告)号：US09755873B2
公开(公告)日：2017-09-05
申请号：US14969749
申请日：2015-12-15
Applicant: LG Electronics Inc.
Inventor： Jongseob Baek , Jongwoong Shin , Jaehyung Kim , Woosuk Ko , Sungryong Hong
CPC classification number: H04L27/2602 , H03M13/09 , H03M13/1102 , H03M13/152 , H03M13/255 , H03M13/27 , H03M13/271 , H03M13/2742 , H03M13/2778 , H03M13/2906 , H04L1/0041 , H04L1/0045 , H04L1/0071 , H04L1/0083 , H04L5/0053 , H04L27/2605 , H04L27/2626 , H04L27/2627 , H04L27/2634 , H04L27/265 , H04L2001/0093
Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals comprises an encoder for encoding service data, a mapper for mapping the encoded service data into a plurality of OFDM (Orthogonal Frequency Division Multiplex) symbols to build at least one signal frame, a frequency interleaver for frequency interleaving data in the at least one signal frame by using a different interleaving-seed which is used for every OFDM symbol pair comprised of two sequential OFDM symbols, a modulator for modulating the frequency interleaved data by an OFDM scheme and a transmitter for transmitting the broadcast signals having the modulated data, wherein the different interleaving-seed is generated based on a cyclic shifting value and wherein an interleaving seed is variable based on an FFT size of the modulating.
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公开(公告)号：US09722846B2
公开(公告)日：2017-08-01
申请号：US15421956
申请日：2017-02-01
Applicant: LG ELECTRONICS INC.
Inventor： Jongseob Baek , Woosuk Ko , Sungryong Hong
CPC classification number: H04L27/2649 , H04L1/0041 , H04L1/0045 , H04L1/0065 , H04L1/0071 , H04L1/0075 , H04L1/04 , H04L1/0625 , H04L1/0631 , H04L5/0007 , H04L5/0044 , H04L27/2602 , H04L27/2607 , H04L27/2613 , H04L27/2627 , H04L27/2628 , H04W72/0446
Abstract: Disclosed herein is a method of receiving a broadcast signal. The method comprises receiving the broadcast signal; an Orthogonal Frequency Division Multiplexing (OFDM) demodulating on the received broadcast signal; parsing at least one signal frame from the demodulated broadcast signal to extract service data or service component data; converting the service data or service component data into bits; decoding the converted bits; and outputting a data stream comprising the decoded bits.
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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：US09667380B2
公开(公告)日：2017-05-30
申请号：US14711987
申请日：2015-05-14
Applicant: LG ELECTRONICS INC.
Inventor： Jongseob Baek , Woosuk Ko , Seoyoung Back , Sungryong Hong
IPC: H03M13/00 , H04L1/00 , H04B1/16 , H04L5/00 , G06F11/10 , H03M13/27 , H04L12/18 , H03M13/25 , H03M13/11 , H03M13/15
CPC classification number: H04L1/0041 , G06F11/10 , H03M13/1148 , H03M13/1165 , H03M13/152 , H03M13/253 , H03M13/255 , H03M13/271 , H03M13/2721 , H03M13/2732 , H03M13/2742 , H03M13/2767 , H03M13/2792 , H03M13/618 , H03M13/6541 , H04B1/16 , H04L1/0045 , H04L1/0058 , H04L1/0059 , H04L1/0065 , H04L1/0071 , H04L5/0044 , H04L12/18
Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, formatting, by an input formatting block, input streams into plural PLPs (Physical Layer Pipes); encoding, by an encoder, data in the plural PLPs; time interleaving, by a time interleaver, the encoded data in the plural PLPs, wherein the time interleaving includes: cell interleaving, by a cell interleaver, the encoded data by permuting cells in a FEC (Forward Error Correction) block in the plural PLPs; frame mapping, by a framer, the time interleaved data onto at least one signal frame; and waveform modulating, by a waveform block, the mapped data in the at least one signal frame and transmitting, by the waveform block, broadcast signals having the modulated data.
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