公开(公告)号：US20180026819A1

公开(公告)日：2018-01-25

申请号：US15722768

申请日：2017-10-02

Applicant: LG ELECTRONICS INC.

Inventor： Jaehyung KIM ,  Chulkyu MUN ,  Woosuk KO ,  Jongseob BAEK ,  Sungryong HONG

IPC: H04L27/26 ,  H04L5/00 ,  H04L1/00 ,  H04W72/00

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 transmitter is provided that includes an input formatter, a Forward Error Correction (FEC) encoder, a constellation mapper, a time interleaver, a framer and a waveform generator. The input formatter input processes input data to output Physical Layer Pipe (PLP) data. The FEC encoder performs FEC encoding on the PLP data. The constellation mapper performs constellation mapping on the PLP data. The time interleaver is configured to time interleave the PLP data. The framer is configured to generate a signal frame comprising the PLP data. The waveform generator is configured to generate a transmission broadcast signal comprising the signal frame. A number of carriers of the signal frame is determined by the equation: NoC=NoC_max−k*Δ, wherein NoC is the number of carriers, NoC_max is a maximum number of carriers, k is a reducing coefficient, and Δ is a control unit value.

公开(公告)号：US20170373894A1

公开(公告)日：2017-12-28

申请号：US15673058

申请日：2017-08-09

Applicant: LG ELECTRONICS INC.

Inventor： Jaehyung KIM ,  Woosuk KO ,  Chulkyu MUN ,  Sungryong HONG

IPC: H04L27/26 ,  H04L1/00

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.

公开(公告)号：US20170332111A1

公开(公告)日：2017-11-16

申请号：US15634532

申请日：2017-06-27

Applicant: LG ELECTRONICS INC.

Inventor： Chulkyu MUN ,  Jaehyung KIM ,  Hochul JUNG ,  Woosuk KO ,  Sungryong HONG

IPC: H04N21/2383 ,  H04L27/26 ,  H04B7/0413 ,  H04H20/33 ,  H04N21/2389

CPC classification number: H04N21/2383 ,  H04B7/0413 ,  H04H20/33 ,  H04L27/2602 ,  H04L27/2618 ,  H04N21/2389

Abstract: A method for transmitting broadcast signals by an apparatus for transmitting broadcast signals, the method includes encoding data corresponding to each of data pipes; encoding signaling data; building at least one signal frame including the encoded data and the encoded signaling data; modulating data of the at least one signal frame by an Orthogonal Frequency Division Multiplex (OFDM) scheme; performing Peak to Average Power Ratio (PAPR) reduction for the modulated data using a tone reservation algorithm based on a Fast Fourier Transform (FFT) size; and transmitting time domain broadcast signals carrying the modulated data of the at least one signal frame, wherein the at least one signal frame comprises signaling symbols and data symbols, wherein a set of carriers in the signaling symbols and a set of carriers in the data symbols are reserved for the PAPR reduction, respectively.

公开(公告)号：US20170324597A1

公开(公告)日：2017-11-09

申请号：US15656796

申请日：2017-07-21

Applicant: LG ELECTRONICS INC.

Inventor： Jaehyung KIM ,  Woosuk KO ,  Chulkyu MUN ,  Sungryong HONG

IPC: H04L27/26 ,  H04L1/00

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 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.

公开(公告)号：US20170214562A1

公开(公告)日：2017-07-27

申请号：US15416754

申请日：2017-01-26

Applicant: LG ELECTRONICS INC.

Inventor： Chulkyu MUN ,  Jaehyung KIM ,  Sungryong HONG ,  Jongseob BAEK ,  Byounggill KIM ,  Woosuk KO

IPC: H04L27/26 ,  H04L7/027 ,  H04L5/00 ,  H04L1/00

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 in 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.

公开(公告)号：US20170126251A1

公开(公告)日：2017-05-04

申请号：US15402838

申请日：2017-01-10

Applicant: LG Electronics Inc.

Inventor： Jongseob BAEK ,  Byounggill KIM, I ,  Woochan KIM ,  Jaehyung KIM ,  Sungryong HONG ,  Chulkyu MUN ,  Jinyong CHOI ,  Jaeho HWANG ,  Kookyeon KWAK ,  Woosuk KO

IPC: H03M13/27 ,  H03M13/11 ,  H04L1/00 ,  H04L27/26 ,  H04L5/00

CPC classification number: H03M13/2792 ,  H03M13/1102 ,  H04L1/0041 ,  H04L1/0042 ,  H04L1/0045 ,  H04L1/0048 ,  H04L1/0057 ,  H04L1/0058 ,  H04L1/0071 ,  H04L1/0083 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/0048 ,  H04L27/2613 ,  H04L27/2627 ,  H04L2001/0093

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The method for transmitting broadcast signals includes encoding DP data according to a code rate, wherein the encoding further includes LDPC encoding the DP data according to the code rate, bit interleaving the LDPC encoded DP data, mapping the bit interleaved DP data onto constellations, MIMO (Multi Input Multi Output) encoding the mapped DP data, and time interleaving the MIMO encoded DP data; building at least one signal frame by arranging the encoded DP data; and modulating data in the built signal frame by OFDM method and transmitting the broadcast signals having the modulated data, wherein the step of modulating includes inserting CPs in the built signal frame based on a CP set which includes information about locations of CPs, wherein the CP set is defined based on FFT size.

公开(公告)号：US20160381516A1

公开(公告)日：2016-12-29

申请号：US14995479

申请日：2016-01-14

Applicant: LG ELECTRONICS INC.

Inventor： Jaehyung KIM ,  Woosuk KO ,  Chulkyu MUN ,  Sungryong HONG

IPC: H04W4/06 ,  H04L27/26 ,  H04L5/00

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.

Abstract translation: 这里讨论的是广播信号接收机。 根据本发明的实施例的广播信号接收机包括：同步和解调模块，被配置为对所接收的广播信号执行信号检测和OFDM解调;帧解析和解交织模块，被配置为解析和解交织广播信号的信号帧 ，解映射和解码模块，被配置为将所述广播信号的至少一个物理层管道（PLP）的数据转换成位域并对所述数据进行FEC解码;以及输出处理模块，被配置为接收所述at 至少一个PLP并以数据流形式输出接收的数据。

公开(公告)号：US20160219312A1

公开(公告)日：2016-07-28

申请号：US15025055

申请日：2014-09-25

Applicant: LG ELECTRONICS INC.

Inventor： Chulkyu MUN ,  Jaehyung KIM ,  Hochul JUNG ,  Woosuk KO ,  Sungryong HONG

IPC: H04N21/2383 ,  H04N21/2389

CPC classification number: H04N21/2383 ,  H04B7/0413 ,  H04H20/33 ,  H04L27/2602 ,  H04L27/2618 ,  H04N21/2389

Abstract: The present invention relates to an apparatus for transmitting broadcast signals, an apparatus for receiving broadcast signals and methods for transmitting and receiving broadcast signals. The method of transmitting broadcast signals includes encoding data corresponding to each of data transmission channel which carries at least one service data or service component data, building at least one signal frame including the encoded data, modulating the at least one signal frame by an OFDM (Orthogonal Frequency Division Multiplex) scheme; and transmitting the broadcast signals carrying the at least one modulated signal frame.

Abstract translation: 本发明涉及一种用于发送广播信号的装置，一种用于接收广播信号的装置和用于发送和接收广播信号的方法。 发送广播信号的方法包括对应于携带至少一个服务数据或服务组件数据的数据传输信道中的每一个的编码数据，构建包括编码数据的至少一个信号帧，通过OFDM调制至少一个信号帧（ 正交频分复用）方案; 以及发送携带所述至少一个调制信号帧的广播信号。

公开(公告)号：US20160036613A1

公开(公告)日：2016-02-04

申请号：US14559213

申请日：2014-12-03

Applicant: LG ELECTRONICS INC.

Inventor： Chulkyu MUN ,  Byounggill KIM ,  Jaehyung KIM ,  Woosuk KO ,  Sungryong HONG

IPC: H04L27/26 ,  H04L1/00 ,  G06F11/10 ,  H04L12/18 ,  H04L5/00

CPC classification number: H04L27/265 ,  G06F11/10 ,  H04L1/00 ,  H04L1/0041 ,  H04L1/0071 ,  H04L1/0075 ,  H04L5/0064 ,  H04L12/18 ,  H04L27/26 ,  H04L27/2611 ,  H04L27/2613 ,  H04L27/2646 ,  H04L27/2649 ,  H04L27/2655

Abstract: Disclosed is an apparatus for transmitting a broadcast signal, including: an input formatting module configured to demultiplex an input stream into at least one Data Pipe (DP); a BICM (Bit Interleaved Coding and Modulation) module configured to perform error correction processing on data of the DP; a frame building module configured to map the data of the DP to symbols within a frame; an OFDM generation module configured to generate a transmission signal by inserting a preamble into the frame and performing OFDM modulation; and a transmission parameter control module configured to set at least one transmission parameter and control transmission signal processing of the frame building module and the OFDM generation module.

Abstract translation: 公开了一种用于发送广播信号的装置，包括：输入格式化模块，被配置为将输入流解复用为至少一个数据管道（DP）; BICM（比特交错编码和调制）模块，被配置为对DP的数据执行纠错处理; 帧建立模块，其被配置为将所述DP的数据映射到帧内的符号; OFDM生成模块，被配置为通过将前导码插入到帧中并执行OFDM调制来生成发送信号; 以及发送参数控制模块，被配置为设置所述帧构建模块和所述OFDM生成模块的至少一个发送参数和控制发送信号处理。

公开(公告)号：US20150365204A1

公开(公告)日：2015-12-17

申请号：US14760952

申请日：2014-03-17

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 ,  Byeongkook JEONG

IPC: H04L5/00 ,  H04L29/06 ,  H04L1/00

CPC classification number: H04L5/0007 ,  H04H20/423 ,  H04H60/07 ,  H04L1/004 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0061 ,  H04L1/0071 ,  H04L1/0618 ,  H04L27/2602 ,  H04L27/36 ,  H04L65/4076 ,  H04L65/605 ,  H04L65/607 ,  H04N21/2383 ,  H04N21/4382

Abstract: The present invention provides a broadcast signal transmitting method. The method for transmitting a broadcast signal according to the present invention may comprise: a step of encoding data pipe (DP) data according to a code rate, the step of encoding DP data comprising a sub-step of forward error correction (FEC) encoding the DP data, a sub-step of bit-interleaving the FEC encoded DP data, and a sub-step of mapping the bit-interleaved DP data to constellation according to the code rate; a step of generating at least one signal frame by mapping the encoded DP data; and a step of modulating data of the generated signal frame by an orthogonal frequency division multiplexing (OFDM) scheme and transmitting a broadcast signal including the modulated data of the signal frame.

Abstract translation: 本发明提供广播信号发送方法。 根据本发明的用于发送广播信号的方法可以包括：根据码率对数据管道（DP）数据进行编码的步骤，对包括前向纠错（FEC）编码的子步骤的DP数据进行编码的步骤 DP数据，对FEC编码的DP数据进行位交织的子步骤，以及根据码率将比特交织的DP数据映射到星座的子步骤; 通过映射编码的DP数据来生成至少一个信号帧的步骤; 以及通过正交频分复用（OFDM）方式调制所生成的信号帧的数据并发送包括信号帧的调制数据的广播信号的步骤。