ZCZ屏蔽序列偶集的构造方法

doi:10.13190/jbupt.201103.17.lizhb

北京邮电大学学报 ›› 2011, Vol. 34 ›› Issue (3): 17-20.doi: 10.13190/jbupt.201103.17.lizhb

ZCZ屏蔽序列偶集的构造方法

李兆斌,魏占祯,池亚平

北京电子科技学院通信工程系, 北京 100070

收稿日期:2010-07-14 修回日期:2010-09-27 出版日期:2011-06-28 发布日期:2011-03-29
通讯作者: 李兆斌 E-mail:lzb@besti.edu.cn
基金资助:
国家自然科学基金项目(60951001); 北京市自然科学基金项目(4102057); 国家科技支撑计划重点项目(2009BAH52B06); 中办信息安全重点实验室项目(YZDJ0804)

Construction Methods of ZCZ Punctured Sequence Pairs Set

Received:2010-07-14 Revised:2010-09-27 Online:2011-06-28 Published:2011-03-29
Contact: Zhao-Bin LI E-mail:lzb@besti.edu.cn

摘要/Abstract

摘要：

为了拓宽准同步码分多址系统中零相关区（ZCZ）序列的设计范围，将几乎最佳屏蔽序列偶应用于ZCZ信号设计中，提出了一种新的ZCZ屏蔽序列偶集的构造方法，并给出了利用周期乘积构造法从一个酉矩阵和一个ZCZ屏蔽序列偶集构造出新的ZCZ屏蔽序列偶集的方法. 几乎最佳屏蔽序列偶和酉矩阵都很容易得到，因而使用所提方法构造出的ZCZ屏蔽序列偶集具有较大的容量，可更好地满足实际工程的需要.

关键词: 几乎最佳屏蔽序列偶, 零相关区, 周期乘积, 酉矩阵

Abstract:

In order to extend the scope of zero correlation zone (ZCZ) sequence in quasisynchronous code division multiple access system, an almost perfect punctured binary sequence pairs is used in zero correlation zone (ZCZ) sequence pairs, a new construction method for ZCZ signals is presented. ZCZ punctured sequence pairs set can be generated from the periodic product of unitary matrix and the original ZCZ punctured sequence pairs set. The almost perfect punctured binary sequence pairs and the unitary matrix can be easily obtained, so the capacity of ZCZ punctured sequence pairs set constructed by the proposed method is so large that they can satisfy requirements of engineering applications.

Key words: almost perfect punctured sequence pairs, zero correlation zone, periodic product, unitary matrix

中图分类号:

TN911.22

李兆斌,魏占祯,池亚平. ZCZ屏蔽序列偶集的构造方法[J]. 北京邮电大学学报, 2011, 34(3): 17-20.

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ZCZ屏蔽序列偶集的构造方法

Construction Methods of ZCZ Punctured Sequence Pairs Set

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