公开(公告)号：US09930383B2

公开(公告)日：2018-03-27

申请号：US14904892

申请日：2014-08-01

Applicant: LG ELECTRONICS INC.

Inventor： Sanchul Moon ,  Woosuk Ko ,  Sungryong Hong ,  Jinwoo Kim ,  Jongwoong Shin

IPC: H04N21/2362 ,  H04N21/236 ,  H04N21/2381 ,  H04N21/2383 ,  H04N21/414 ,  H04N21/434 ,  H04N21/438 ,  H04N21/61 ,  H04L1/00 ,  H04L27/26

CPC classification number: H04N21/2362 ,  H03M13/1148 ,  H03M13/2792 ,  H03M13/616 ,  H04B7/0456 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0058 ,  H04L1/0061 ,  H04L1/0071 ,  H04L5/0007 ,  H04L27/2601 ,  H04L27/2627 ,  H04L27/2649 ,  H04N21/23614 ,  H04N21/2381 ,  H04N21/2383 ,  H04N21/41407 ,  H04N21/4345 ,  H04N21/4381 ,  H04N21/4382 ,  H04N21/6131

Abstract: The present invention provides an apparatus of transmitting broadcast signals, the apparatus including, an encoder for encoding service data, a frame builder for building at least one signal frame by mapping the encoded service data, a modulator for modulating data in the built at least one signal frame by an Orthogonal Frequency Division Multiplexing, OFDM, scheme and a transmitter for transmitting the broadcast signals having the modulated data.

公开(公告)号：US10051333B2

公开(公告)日：2018-08-14

申请号：US14908304

申请日：2014-08-01

Applicant: LG ELECTRONICS INC.

Inventor： Sanchul Moon ,  Woosuk Ko ,  Sungryong Hong ,  Jinwoo Kim ,  Jongwoong Shin

IPC: H04N7/12 ,  H04N21/61 ,  H04L27/26 ,  H04B7/06 ,  H04L1/00 ,  H03M13/03 ,  H03M13/25 ,  H03M13/27 ,  H03M13/29 ,  H04B7/0413 ,  H03M13/11 ,  H03M13/13 ,  H03M13/15

Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, encoding Data Pipe, DP, data according to a code rate, wherein the encoding further includes Low-Density Parity-Check, LDPC, encoding the DP data, Bit interleaving the LDPC encoded DP data, and mapping the bit interleaved DP data onto constellations; building at least one signal frame by mapping the encoded DP data; and modulating data in the built signal frame by an Orthogonal Frequency Division Multiplexing, OFDM, method and transmitting the broadcast signals having the modulated data.