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首页> 外文期刊>Journal of Communications Technology and Electronics >Fast Detection of Superlong Synchronizing Signals and Identification of Subscriber Units in Personal Satellite Communications Systems with the Synchronous Code Division -
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Fast Detection of Superlong Synchronizing Signals and Identification of Subscriber Units in Personal Satellite Communications Systems with the Synchronous Code Division -

机译:具有同步码分的个人卫星通信系统中超长同步信号的快速检测和用户单元的识别-

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摘要

Theoretical principles of a fast method for detection and identification of segments of superlong M-sequences are developed for personal satellite communications systems with the synchronous code division of subscriber units. This method represents the M-sequences as sparse pseudorandom Reed-Muller sequences and uses regular algorithms for factorizing the Hadamard matrix. These algorithms are optimal by the criterion of minimizing the numerical complexity of detecting the segments of M-sequences when the matrix is reduced. It is shown that, when these algorithms are implemented using VLSI circuits, the segments of M-sequences with a dimension of two million elements are detected during the time interval that does not exceed 4 s.
机译:针对带有用户单元同步码划分的个人卫星通信系统,开发了一种用于检测和识别超长M序列片段的快速方法的理论原理。该方法将M序列表示为稀疏伪随机Reed-Muller序列,并使用常规算法分解Hadamard矩阵。通过最小化矩阵缩减时检测M序列片段的数值复杂度的准则,这些算法是最佳的。结果表明,当使用VLSI电路实现这些算法时,在不超过4 s的时间间隔内将检测到200万个元素的M序列片段。

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