Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcast signals and method for receiving broadcast signals
    456.
    发明授权
    Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcast signals and method for receiving broadcast signals 有权
    用于发送广播信号的装置,用于接收广播信号的装置,用于发送广播信号的方法和用于接收广播信号的方法

    公开(公告)号:US09397787B2

    公开(公告)日:2016-07-19

    申请号:US14924199

    申请日:2015-10-27

    Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals comprises an encoder encoding service data, a time interleaver interleaving the encoded service data, a mapper mapping the interleaved service data into a plurality of OFDM (Orthogonal Frequency Division Multiplex) symbols to build at least one signal frame, a frequency interleaver interleaving data in the at least one signal frame by using a different interleaving-seed which is used for every OFDM symbol pair comprised of two sequential OFDM symbols, wherein the frequency interleaver calculates an interleaving address for the different interleaving-seed based on a main-PRBS sequence and a cyclic shifting value, a modulator modulating the frequency interleaved data by an OFDM scheme and a transmitter transmitting the broadcast signals having the modulated data, wherein an interleaving-seed is generated based on a cyclic shift value and an FFT size of the modulating.

    Abstract translation: 公开了一种用于发送广播信号的方法和装置。 用于发送广播信号的装置包括:编码服务数据的编码器,交织编码的服务数据的时间交织器;将交织的服务数据映射成多个OFDM(正交频分复用)符号的映射器,以构建至少一个信号帧; 频率交织器通过使用用于由两个顺序OFDM符号组成的每个OFDM符号对使用的不同的交织种子来交织所述至少一个信号帧中的数据,其中所述频率交织器基于一个不同的交织种子计算不同交织种子的交织地址 主PRBS序列和循环移位值,通过OFDM方式调制频率交织数据的调制器和发送具有调制数据的广播信号的发送器,其中基于循环移位值和FFT大小生成交织种子 的调节。

Patent Agency Ranking