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公开(公告)号：US20190058491A1
公开(公告)日：2019-02-21
申请号：US16166978
申请日：2018-10-22
Applicant: LG ELECTRONICS INC.
Inventor： Jongseob BAEK , Woosuk KO , Seoyoung BACK , Sungryong HONG
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：US20180359007A1
公开(公告)日：2018-12-13
申请号：US16027977
申请日：2018-07-05
Applicant: LG ELECTRONICS INC.
Inventor： Jongseob BAEK , Woosuk KO , Sungryong HONG
IPC: H04B7/0413 , H04L1/00 , H04H60/73 , H04L27/26 , H04H60/11
Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals, the apparatus comprises an encoder to encode service data corresponding to each of a plurality of physical paths, a time interleaver to the encoded service data in each physical path by a TI (Time Interleaving) block, wherein at least one virtual FEC block is ahead of FEC blocks in at least one TI block, wherein each TI block includes a variable number of FEC blocks of the encoded service data, wherein a number of the at least one virtual FEC block is defined based on a maximum number of FEC blocks of a TI block, 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：US20180167163A1
公开(公告)日：2018-06-14
申请号：US15891961
申请日：2018-02-08
Applicant: LG ELECTRONICS INC.
Inventor： Jongseob BAEK , Woosuk KO , Seoyoung BACK , Sungryong HONG
CPC classification number: H03M13/2732 , G06F11/10 , H03M13/1148 , H03M13/1165 , H03M13/152 , H03M13/253 , H03M13/255 , H03M13/271 , H03M13/2721 , H03M13/2742 , H03M13/2767 , H03M13/2792 , H03M13/618 , H03M13/6541 , H04B1/16 , H04L1/0041 , 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：US20170366384A1
公开(公告)日：2017-12-21
申请号：US15676325
申请日：2017-08-14
Applicant: LG ELECTRONICS INC.
Inventor： Jongseob BAEK , Woosuk KO , Sungryong HONG
IPC: H04L27/26 , H04N21/2383 , H04B7/0413 , H04H20/57 , H04H60/91 , H04H60/07 , H04H20/72 , H04N21/61 , H04L1/00
CPC classification number: H04L27/2646 , H04B7/0413 , H04B7/0697 , H04H20/57 , H04H20/72 , H04H60/07 , H04H60/91 , H04L1/0041 , H04L1/0071 , H04L1/0072 , H04L1/0075 , H04L27/2601 , H04L27/2649 , H04L27/2655 , H04L2001/0093 , H04N21/2383 , H04N21/6112 , H04N21/6131
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：US20170310521A1
公开(公告)日：2017-10-26
申请号：US15637790
申请日：2017-06-29
Applicant: LG ELECTRONICS INC.
Inventor： Jongseob BAEK , Woosuk KO , Sungryong HONG
CPC classification number: H04L27/2628 , 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 , H04L27/2649 , 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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Patent Agency Ranking
公开(公告)号：US20170272206A1
公开(公告)日：2017-09-21
申请号：US15613600
申请日：2017-06-05
Applicant: LG Electronics Inc.
Inventor： Jongseob BAEK , Seoyoung BACK , Woosuk KO , Sungryong HONG
CPC classification number: H04L1/0041 , H04B7/04 , H04H20/71 , H04L1/004 , H04L1/0044 , H04L1/0048 , H04L1/0071 , H04L1/0075 , H04L5/0053 , H04L27/36 , H04L47/806 , H04L69/22 , H04L2001/0093
Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, encoding, by an encoder, data in plural PLPs (Physical Layer Pipes); processing, by a framing and interleaving block, the encoded data in the plural PLPs, wherein the processing the encoded data further includes: time interleaving, by a time interleaver, the encoded data in the plural PLPs, frame mapping, by a framer, the time interleaved data onto at least one signal frame, and frequency interleaving, by a frequency interleaver, data in the at least one signal frame; and waveform modulating, by a waveform generation block, the frequency interleaved 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：US20170230060A1
公开(公告)日：2017-08-10
申请号：US15496299
申请日：2017-04-25
Applicant: LG Electronics Inc.
Inventor： Jongseob BAEK , Woosuk KO , Seoyoung BACK , Sungryong HONG
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：US20170170919A1
公开(公告)日：2017-06-15
申请号：US15406395
申请日：2017-01-13
Applicant: LG Electronics Inc.
Inventor： Jongseob BAEK , Jaehyung KIM , Woosuk KO , Sungryong HONG
CPC classification number: H04H20/72 , H04B7/0413 , H04L1/0071 , H04L27/2601 , H04L27/2626 , H04L27/2627 , H04L27/2637 , H04L27/2647 , H04L27/2649 , H04L27/265
Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals comprises an encoder encoding service data, a time interleaver interleaving the encoded service data, a mapper mapping the interleaved service data into a plurality of OFDM (Orthogonal Frequency Division Multiplex) symbols to build at least one signal frame, a frequency interleaver 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, wherein the frequency interleaver calculates an interleaving address for the different interleaving-seed based on a main-PRBS sequence and a cyclic shifting value, a modulator modulating the frequency interleaved data by an OFDM scheme and a transmitter transmitting the broadcast signals having the modulated data, wherein an interleaving-seed is generated based on a cyclic shift value and an FFT size of the modulating.
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公开(公告)号：US20170163377A1
公开(公告)日：2017-06-08
申请号：US15428443
申请日：2017-02-09
Applicant: LG ELECTRONICS INC.
Inventor： Jongseob BAEK , Woosuk KO , Sungryong HONG
CPC classification number: H04L5/0023 , H04B7/0413 , H04L1/0041 , H04L1/0058 , H04L1/0071 , H04L27/2602 , H04L27/2626 , H04L27/2627 , H04L27/2637 , H04L27/2647 , H04W4/06
Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for receiving broadcast signals, the apparatus comprises a receiver to receive the broadcast signals, a demodulator to demodulate the received broadcast signals by an OFDM (Orthogonal Frequency Division Multiplex) scheme, a frame parser to parse a signal frame from the demodulated broadcast signals, wherein the signal frame includes at least one service data, a time deinterleaver to time deinterleave each the service data, wherein the time deinterleaving is performed depending on a number of physical paths for each the service data, a damapper to demap the time deinterleaved data and a decoder to decode the demapped service data.
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公开(公告)号：US20170149597A1
公开(公告)日：2017-05-25
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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