公开(公告)号：US08867640B2

公开(公告)日：2014-10-21

申请号：US13941148

申请日：2013-07-12

Applicant: LG Electronics Inc.

Inventor： Woo Suk Ko ,  Sang Chuk Moon

IPC: H04L27/28 ,  H04L1/00 ,  H04N19/89 ,  H04L27/26 ,  H04L5/00

CPC classification number: H04L27/2627 ,  H03M13/1102 ,  H04B1/38 ,  H04J2011/0009 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0068 ,  H04L1/0071 ,  H04L5/0007 ,  H04L5/0044 ,  H04L5/0048 ,  H04L5/0053 ,  H04L5/0094 ,  H04L27/2613 ,  H04L27/2626 ,  H04L27/2647 ,  H04L27/2698 ,  H04N19/89

Abstract: According to one embodiment, a method of transmitting a broadcasting signal includes: encoding data; encoding signaling data by an LDPC (Low Density Parity Check) scheme; building a signal frame based on at least one preamble data symbol having the encoded signaling data and a data slice having the encoded data; inserting at least one pilot into the signal frame with a specific pattern and modulating the signal frame by an OFDM (Orthogonal Frequency Division Multiplexing) method; and transmitting the modulated signal frame. A signaling block having the signaling data is repeated in the at least one preamble data symbol in a frequency domain by a bandwidth. The bandwidth of the signaling block corresponds to a number of active subcarriers assigned to a single channel.

Abstract translation: 根据一个实施例，发送广播信号的方法包括：编码数据; 通过LDPC（低密度奇偶校验）方案编码信令数据; 基于具有编码的信令数据的至少一个前导码数据符号和具有编码数据的数据片段构建信号帧; 以特定模式将至少一个导频插入信号帧，并通过OFDM（正交频分复用）方法调制信号帧; 并发送调制信号帧。 具有信令数据的信令块在频域中的至少一个前导码数据符号中被重复带宽。 信令块的带宽对应于分配给单个信道的多个活动子载波。