公开(公告)号：US20180310036A1

公开(公告)日：2018-10-25

申请号：US16011038

申请日：2018-06-18

Applicant: LG ELECTRONICS INC.

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

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

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 which is carried by a Data Pipe, DP; bit interleaving the encoded data; Multiple Input Multiple Output, MIMO, processing the bit interleaved data; time interleaving the MIMO processed data; encoding signaling data; building at least one signal frame including signaling symbols having the encoded signaling data and data symbols having the time interleaved 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. In addition, sets of reserved carriers for the PAPR reduction are used in the signaling symbols and the data symbols; and transmitting broadcast signals including the PAPR reduction performed data, further a set of reserved carriers for the signaling symbols is different from a set of reserved carriers for the data symbols.

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：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。