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公开(公告)号：US20170302407A1
公开(公告)日：2017-10-19
申请号：US15640098
申请日：2017-06-30
Applicant: LG Electronics Inc.
Inventor： Jongseob Baek , Seoyoung Back , Woosuk Ko , Sungryong Hong
CPC classification number: H04L1/0071 , H03M13/00 , H03M13/1165 , H03M13/152 , H03M13/159 , H03M13/253 , H03M13/255 , H03M13/2707 , H03M13/271 , H03M13/2721 , H03M13/2778 , H03M13/2906 , H03M13/6356 , H03M13/655 , H03M13/6552 , H04B1/04 , H04B7/0413 , H04L1/0041 , H04L1/0057 , H04L1/0059 , H04L1/0065 , H04L1/0075 , H04L5/0007 , H04L12/18 , H04L27/2601 , H04L27/2626 , H04L27/2627 , H04L2001/0093
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 a number of physical paths, a time interleaver to time interleave the encoded service data in each physical path, a frame builder to build at least one signal frame including the time interleaved service 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 transmitting the broadcast signals having the modulated data.
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公开(公告)号：US09794100B2
公开(公告)日：2017-10-17
申请号：US14848651
申请日：2015-09-09
Applicant: LG ELECTRONICS INC.
Inventor： Jongseob Baek , Woosuk Ko , Sungryong Hong
CPC classification number: H04L27/265 , H04L1/0041 , H04L1/0045 , H04L1/0071 , H04L5/0007 , H04L27/2608 , H04L27/263 , H04L27/2637 , H04L2001/0093
Abstract: An apparatus for transmitting broadcast signals includes an encoder to encode service data, a framing block to map the encoded service data into data symbols to build at least one signal frame, a frequency interleaver to frequency interleaving data in the at least one signal frame by using an interleaving sequence, a modulator to perform a modulation on the frequency interleaved data by the OFDM (Orthogonal Frequency Division Multiplex) scheme and a transmitter to transmit the broadcast signals having the modulated data. A different interleaving sequence is used for two consecutive data symbols corresponding to an OFDM symbol pair or a data symbol corresponding to an OFDM symbol according to an FFT size of the modulation.
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公开(公告)号：US09735995B2
公开(公告)日：2017-08-15
申请号：US14837542
申请日：2015-08-27
Applicant: LG ELECTRONICS INC.
Inventor： Jongseob Baek , Woosuk Ko , Sungryong Hong
IPC: H04L1/00 , H04L27/26 , H04L12/18 , H03M13/00 , H03M13/27 , H04L29/08 , H03M13/11 , H03M13/25 , H03M13/29 , H04L29/06 , H04L5/00 , H03M13/09 , H03M13/15
CPC classification number: H04L27/2649 , H03M13/09 , H03M13/1165 , H03M13/152 , H03M13/255 , H03M13/271 , H03M13/2721 , H03M13/2732 , H03M13/2778 , H03M13/2792 , H03M13/2906 , H04L1/0041 , H04L1/0048 , H04L1/0057 , H04L1/0071 , H04L5/0048 , H04L12/189 , H04L27/2613 , H04L27/2626 , H04L27/2647 , H04L27/2675 , H04L69/22 , H04L69/323 , 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 configured to perform baseband formatting and to output at least one PLP (Physical Layer Pipe) data; a BICM (Bit Interleaved Coded Modulation) module configured to perform an error correction process on the PLP data; a framing and interleaving module configured to interleave the PLP data and to generate a signal frame; and a waveform generating module configured to generate a broadcast signal by inserting a preamble into the signal frame and performing OFDM modulation.
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公开(公告)号：US20170163461A1
公开(公告)日：2017-06-08
申请号：US15440802
申请日：2017-02-23
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 transmitting a broadcasting signal. The method comprises formatting input streams into at least one data transmission channel, encoding data corresponding to each of data transmission channel carrying service data or service component data, building at least one signal frame comprising the encoded data, modulating the at least one signal frame by an Orthogonal Frequency Division Multiplexing (OFDM) scheme, and transmitting a broadcasting signal comprising the at least one modulated signal frame.
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公开(公告)号：US09628313B2
公开(公告)日：2017-04-18
申请号：US15146211
申请日：2016-05-04
Applicant: LG ELECTRONICS INC.
Inventor： Jongseob Baek , Woosuk Ko , Seoyoung Back , Sungryong Hong
CPC classification number: H04L1/0071 , H03M13/00 , H03M13/1165 , H03M13/152 , H03M13/159 , H03M13/253 , H03M13/255 , H03M13/2707 , H03M13/271 , H03M13/2721 , H03M13/2778 , H03M13/2906 , H03M13/6356 , H03M13/655 , H03M13/6552 , H04B1/04 , H04B7/0413 , H04L1/0041 , H04L1/0057 , H04L1/0059 , H04L1/0065 , H04L1/0075 , H04L5/0007 , H04L12/18 , H04L27/2601 , H04L27/2626 , H04L27/2627 , H04L2001/0093
Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The method includes encoding service data, mapping the encoded service data, wherein at least one Forward Error Correction (FEC) block of the mapped service data is grouped into at least one interleaving frame, and time interleaving the mapped service data based on the at least one interleaving frame. The time interleaving further includes block interleaving the mapped service data by writing cells of the mapped service data in a memory and reading the cells in the memory, wherein virtual cells belonging to virtual FEC blocks are skipped during the reading; spreading out the block interleaved service data over at least one signal frame; building a signal frame including the time interleaved service data; modulating data in the built signal frame by an Orthogonal Frequency Division Multiplex (OFDM) scheme; and transmitting the broadcast signals.
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Patent Agency Ranking
公开(公告)号：US09621395B2
公开(公告)日：2017-04-11
申请号：US15091379
申请日：2016-04-05
Applicant: LG ELECTRONICS INC.
Inventor： Jongwoong Shin , Jaehyung Kim , Woosuk Ko , Jongseob Baek , Sungryong Hong
CPC classification number: H04L1/0071 , H04B1/10 , H04J11/004 , H04L1/0041 , H04L1/0045 , H04L1/0052 , H04L1/007 , H04L1/0075 , H04L1/04 , H04L5/0023 , H04L5/005 , H04L12/18 , H04L27/2613 , H04L27/2627 , H04L27/2647 , H04L27/2649
Abstract: Disclosed herein is a broadcast signal receiver. A broadcast signal receiver according to an embodiment of the present invention includes a synchronization and demodulation unit configured to perform signal detection and OFDM demodulation on a received signal, a frame parser configured to parse the signal frame of the received signal, a time deinterleaving unit configured to deinterleave LDM data, a first demapping/decoding unit configured to obtain the data of a core layer by demapping and FEC-decoding the LDM data, an interference removal unit configured to remove the core layer data from the LDM data and to output the data of an enhanced layer, and a second demapping/decoding unit configured to demap and FEC-decode the enhanced layer data.
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公开(公告)号：US09614595B2
公开(公告)日：2017-04-04
申请号：US14681158
申请日：2015-04-08
Applicant: LG Electronics Inc.
Inventor： Jongseob Baek , Woosuk Ko , Sungryong Hong
CPC classification number: H04B7/0413 , H04H60/11 , H04H60/73 , H04L1/0042 , H04L1/0045 , H04L1/0057 , H04L1/0071 , H04L1/0075 , H04L27/2626 , H04L27/2649 , H04L2001/0093
Abstract: A method and an apparatus for receiving 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 service data corresponding to each of a plurality of physical paths, a time deinterleaver to time deinterleave service data in each physical path by a TI (Time Interleaving) block, wherein the time deinterleaver further performs inserting at least one virtual FEC block into at least one TI block of the service data, wherein each TI block includes a variable number of FEC blocks of the 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 and a decoder to decode the time deinterleaved service data.
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公开(公告)号：US09608781B2
公开(公告)日：2017-03-28
申请号：US14755168
申请日：2015-06-30
Applicant: LG ELECTRONICS INC.
Inventor： Jongseob Baek , Woosuk Ko , Sungryong Hong
IPC: H04L27/26 , H04L5/00 , H04B7/0413 , H04L1/00
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：US09602321B2
公开(公告)日：2017-03-21
申请号：US14797948
申请日：2015-07-13
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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30.发明授权Method for transmitting broadcast signal, method for receiving broadcast signal, apparatus for transmitting broadcast signal, and apparatus for receiving broadcast signal 有权用于发送广播信号的方法，用于接收广播信号的方法，用于发送广播信号的装置，以及用于接收广播信号的装置公开(公告)号：US09590781B2
公开(公告)日：2017-03-07
申请号：US14911644
申请日：2014-08-12
Applicant: LG ELECTRONICS INC.
Inventor： Chulkyu Mun , Jaehyung Kim , Sungryong Hong , Jongseob Baek , Byounggill Kim , Woosuk Ko
CPC classification number: H04L27/2626 , H04L1/0009 , H04L1/0047 , H04L1/0057 , H04L1/0058 , H04L1/0065 , H04L1/007 , H04L1/0071 , H04L1/0072 , H04L5/0007 , H04L5/0044 , H04L5/0048 , H04L7/0278 , H04L27/2614 , H04L2001/0093
Abstract: The present invention provides a method for transmitting a broadcast signal. The method for transmitting a broadcast signal according to the present invention may comprise the steps of: encoding data pipe (DP) data corresponding to each of a plurality of DPs which transmit at least one service or service component; generating at least one signal frame by mapping the encoded DP data to data symbols; modulating data present in the at least one signal frame by means of an OFDM scheme; and transmitting a broadcast signal including the modulated data.
Abstract translation: 本发明提供一种发送广播信号的方法。 根据本发明的用于发送广播信号的方法可以包括以下步骤：对与发送至少一个服务或服务组件的多个DP中的每一个对应的数据管道（DP）数据进行编码; 通过将编码的DP数据映射到数据符号来生成至少一个信号帧; 通过OFDM方案调制存在于所述至少一个信号帧中的数据; 以及发送包括调制数据的广播信号。
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