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    • 10. 发明授权
    • Apparatus and method for estimating start of frame
    • 用于估计帧起始的装置和方法
    • US07623582B2
    • 2009-11-24
    • US11288707
    • 2005-11-29
    • In-Hyoung KimTae-Gon KimYun-Sang ParkBong-Gee Song
    • In-Hyoung KimTae-Gon KimYun-Sang ParkBong-Gee Song
    • H04L27/28
    • H04L27/2656H04L27/2678
    • Disclosed is an apparatus and method for estimating a start point of a frame in a wireless communication system. The method includes the steps of receiving a frame and estimating the start of the frame by searching for an interval or point of time during or at which a correlation between preambles is at its maximum. At this time, to in order to estimate the start of the frame, a cyclic prefix is used. Thus, a correlation between a cyclic prefix and the last interval of a symbol, which is the same as the cyclic prefix, is calculated and an interval or point of time having the maximum correlation is estimated as the start point of the cyclic prefix. Therefore, the start point of the frame can be accurately estimated based on the start point of the cyclic prefix.
    • 公开了一种用于估计无线通信系统中的帧起始点的装置和方法。 该方法包括以下步骤:通过搜索前导码之间的相关性处于其最大值的时间间隔或时间点来接收帧并估计帧的开始。 此时,为了估计帧的开始,使用循环前缀。 因此,计算与循环前缀相同的循环前缀和符号的最后间隔之间的相关性,并且将具有最大相关性的间隔或时间点估计为循环前缀的开始点。 因此,可以基于循环前缀的开始点来准确地估计帧的起始点。