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公开(公告)号:CA3069685C
公开(公告)日:2022-09-13
申请号:CA3069685
申请日:2015-07-07
Applicant: LG ELECTRONICS INC
Inventor: BAEK JONGSEOB , KO WOOSUK , HONG SUNGRYONG
Abstract: The present invention relates to a broadcast signal reception method comprising the steps of: receiving a broadcast signal; demodulating the received broadcast signal by means of an orthogonal frequency division multiplexing (OFDM) scheme; parsing at least one signal frame from the demodulated broadcast signal in order 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:CA2973073C
公开(公告)日:2020-03-10
申请号:CA2973073
申请日:2015-07-07
Applicant: LG ELECTRONICS INC
Inventor: BAEK JONGSEOB , KO WOOSUK , HONG SUNGRYONG
IPC: H04N21/234 , H04J11/00 , H04N21/236
Abstract: The present invention relates to a broadcast signal reception method comprising the steps of: receiving a broadcast signal; demodulating the received broadcast signal by means of an orthogonal frequency division multiplexing (OFDM) scheme; parsing at least one signal frame from the demodulated broadcast signal in order 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:CA2951010C
公开(公告)日:2019-02-26
申请号:CA2951010
申请日:2015-06-01
Applicant: LG ELECTRONICS INC
Inventor: BAEK JONGSEOB , KO WOOSUK , BACK SEOYOUNG , HONG SUNGRYONG
IPC: H04N21/234 , H04J11/00 , H04N21/235 , H04N21/236
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 Ol-DM (Orthogonal Frequency Division Multiplex) scheme, a frame parser to parse at least one signal frame from the demodulated broadcast signals, wherein a signal frame includes service data corresponding to each of a plurality of physical paths, a time deinterleaver to time deinterleave service data in the at lea.st one signal frame, a decoder to decode the time deinterleaved service data.
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公开(公告)号:CA2945944C
公开(公告)日:2018-12-11
申请号:CA2945944
申请日:2015-07-07
Applicant: LG ELECTRONICS INC
Inventor: KIM JAEHYUNG , MUN CHULKYU , KO WOOSUK , BAEK JONGSEOB , HONG SUNGRYONG
IPC: H04N21/234 , H04J11/00 , H04N21/2343
Abstract: A broadcast signal transmitter is disclosed. A broadcast signal transmitter according to the present invention comprises an input formatting module configured to de-multiplex an input stream into at least one PLP(Physical Layer Pipe); a BICM(Bit Interleaved Coded Modulation) module configured to perform error correction processing on the data of the least one PLP; a frame building module configured to generate a signal frame including the at least one PLP; a waveform generating module configured to generate the broadcast signal by inserting a preamble into the signal frame and performing OFDM modulation.
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公开(公告)号:CA2943822C
公开(公告)日:2018-10-23
申请号:CA2943822
申请日:2015-04-07
Applicant: LG ELECTRONICS INC
Inventor: BAEK JONGSEOB , KO WOOSUK , HONG SUNGRYONG
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:AU2014307164B2
公开(公告)日:2017-06-15
申请号:AU2014307164
申请日:2014-08-14
Applicant: LG ELECTRONICS INC
Inventor: BAEK JONGSEOB , KIM JAEHYUNG , KO WOOSUK , HONG SUNGRYONG , KIM WOOCHAN
IPC: H04N7/08 , H04N21/234
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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公开(公告)号:CA2945944A1
公开(公告)日:2016-09-29
申请号:CA2945944
申请日:2015-07-07
Applicant: LG ELECTRONICS INC
Inventor: KIM JAEHYUNG , MUN CHULKYU , KO WOOSUK , BAEK JONGSEOB , HONG SUNGRYONG
IPC: H04N21/234 , H04J11/00 , H04N21/2343
Abstract: A broadcast signal transmitter is disclosed. The broadcast signal transmitter according to the present invention comprises: an input formatting module for de-multiplexing an input stream into at least one physical layer pipe (PLP); a BICM module for performing error-correction processing on data of the at least one PLP; a frame building module for generating a signal frame including the at least one PLP; and a waveform generation module for generating a broadcast signal by inserting a preamble into the signal frame and performing an OFDM modulation, wherein the waveform generation module comprises a pilot insertion module for inserting continual pilots (CPs) and scattered pilots (SPs) into the broadcast signal.
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公开(公告)号:CA3069685A1
公开(公告)日:2016-07-14
申请号:CA3069685
申请日:2015-07-07
Applicant: LG ELECTRONICS INC
Inventor: BAEK JONGSEOB , KO WOOSUK , HONG SUNGRYONG
Abstract: The present invention relates to a broadcast signal transmission method comprising the steps of: formatting input streams into at least one data transmission channel; encoding data corresponding to each of the data transmission channels transmitting service data or service component data; generating at least one signal frame comprising the encoded data; modulating the at least one signal frame by means of an orthogonal frequency division multiplexing (OFDM) scheme; and transmitting a broadcast signal comprising the at least one modulated signal frame.
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公开(公告)号:CA2951012A1
公开(公告)日:2015-12-10
申请号:CA2951012
申请日:2015-06-01
Applicant: LG ELECTRONICS INC
Inventor: BAEK JONGSEOB , BACK SEOYOUNG , KO WOOSUK , HONG SUNGRYONG
IPC: H04N21/234 , H04J11/00 , H04N21/236
Abstract: An apparatus for transmitting broadcast signals, according to one embodiment of the present invention, comprises: an encoder for encoding service data corresponding to a plurality of physical paths; a time interleaver for time interleaving the encoded service data in each of the physical paths; a frame builder for generating one or more signal frames including the time interleaved service data; a modulator for modulating data in the one or more generated signal frames according to orthogonal frequency division multiplexing (OFDM); and a transmitting unit for transmitting the broadcast signals including the modulated data.
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公开(公告)号:CA2950574C
公开(公告)日:2019-06-11
申请号:CA2950574
申请日:2015-04-21
Applicant: LG ELECTRONICS INC
Inventor: BAEK JONGSEOB , KO WOOSUK , BACK SEOYOUNG , HONG SUNGRYONG
IPC: H04N21/234 , H04N21/2315 , H04N21/2343 , H04N21/236
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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