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    • 8. 发明授权
    • Transmitting apparatus, receiving apparatus and control methods thereof
    • 发送装置,接收装置及其控制方法
    • US09258167B2
    • 2016-02-09
    • US14621598
    • 2015-02-13
    • SAMSUNG ELECTRONICS CO., LTD.
    • Min-ho KimJung-Il Han
    • H04L27/28H04L27/26
    • H04L27/2692H04L27/2605H04L27/2613H04L27/2646H04L27/2666H04L27/2678H04L27/2691H04L27/2695
    • A transmitting apparatus is disclosed. The transmitting apparatus includes a preamble symbol inserter configured to insert to a frame a preamble symbol including a signaling information, a guard interval inserter configured to insert guard intervals to both ends of the preamble symbol, and a transmitter configured to transmit a frame including the preamble symbol and the guard intervals, wherein one of the guard intervals which are inserted to both ends of the preamble symbol comprises a pseudo random noise (PN) sequence and another guard interval includes one between the PN sequence and a part of the signaling information. Accordingly, no separate algorithm to estimate size of FFT of the preamble symbol and the guard interval is necessary, robust signal detection and synchronization is enabled by the PN sequence inserted to the guard interval, and compensation of interference which is generated under multipath channel environment deems to be easier.
    • 公开了发送装置。 发送装置包括:前置码符号插入器,被配置为向帧插入包括信令信息的前导符号,被配置为向前导码符号的两端插入保护间隔的保护间隔插入器,以及发送器,被配置为发送包括前导码的帧 符号和保护间隔,其中插入到前导符号的两端的保护间隔之一包括伪随机噪声(PN)序列,另一个保护间隔包括PN序列和信令信息的一部分之间的一个。 因此,不需要单独的算法来估计前导码符号和保护间隔的FFT的大小,通过插入到保护间隔的PN序列来实现鲁棒的信号检测和同步,并且在多径信道环境下产生的干扰的补偿认为是 更容易