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    • 47. 发明申请
    • DIGITAL RECEIVER SYNCHRONIZATION
    • 数字接收机同步
    • US20070286314A1
    • 2007-12-13
    • US11753728
    • 2007-05-25
    • Stefan HerzingerAndreas MenkhoffStefan MeierNorbert Neurohr
    • Stefan HerzingerAndreas MenkhoffStefan MeierNorbert Neurohr
    • H04L27/06H04L7/00
    • H04L7/042
    • A method is disclosed, including identifying a preamble in a frame, where the preamble has a preamble length 1. M data items received in succession are stored. The m data items once divided into n portions, where the data items in each portion have respectively been received at successive times and where m and n are natural numbers and the following applies to m and n: m>n, m>1, n>1. The n portions are respectively correlated to the expected values to form component correlation results. Delaying the component correlation results, with at least two component correlation results being delayed by different lengths. The method also includes combining the delayed component correlation results to form a total correlation value. The total correlation value is used to determine whether the m received data items contain the preamble of a frame.
    • 公开了一种方法,包括识别帧中的前同步码,其中前导码具有前同步码长度1。 连续接收的M个数据项被存储。 m个数据项一次划分为n个部分,其中每个部分中的数据项分别在连续的时间被接收,并且其中m和n是自然数,并且以下适用于m和n:m> n,m> 1,n > 1。 n个部分分别与预期值相关以形成分量相关结果。 延迟分量相关结果,至少两个分量相关结果被不同长度延迟。 该方法还包括组合延迟分量相关结果以形成总相关值。 总相关值用于确定m个接收的数据项是否包含帧的前同步码。