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1.燕山大学信息科学与工程学院,河北 秦皇岛 066004
2.河北省信息传输与信号处理重点实验室,河北 秦皇岛 066004
[ "刘凯(1977- ),女,黑龙江齐齐哈尔人,博士,燕山大学教授、硕士生导师,主要研究方向为无线通信编码理论。" ]
[ "孟凡飞(2000- ),男,山东潍坊人,燕山大学硕士生,主要研究方向为序列设计与编码理论。" ]
[ "彭佩栋(1998- ),男,河南安阳人,燕山大学硕士生,主要研究方向为序列设计与编码理论。" ]
收稿日期:2024-02-18,
修回日期:2024-06-28,
纸质出版日期:2024-09-25
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刘凯,孟凡飞,彭佩栋.新的互正交互补序列集构造[J].通信学报,2024,45(09):144-152.
LIU Kai,MENG Fanfei,PENG Peidong.New construction of mutually orthogonal complementary sequence sets[J].Journal on Communications,2024,45(09):144-152.
刘凯,孟凡飞,彭佩栋.新的互正交互补序列集构造[J].通信学报,2024,45(09):144-152. DOI: 10.11959/j.issn.1000-436x.2024156.
LIU Kai,MENG Fanfei,PENG Peidong.New construction of mutually orthogonal complementary sequence sets[J].Journal on Communications,2024,45(09):144-152. DOI: 10.11959/j.issn.1000-436x.2024156.
针对互正交互补序列集(MOCSS)设计方法的局限性和构造参数的不足,提出了一种基于仿酉矩阵的MOCSS构造方法。该方法引入系数仿酉矩阵的新概念,并通过结合矩阵乘积、克罗内克积和矩阵迭代技术,构造了3类不同阶数的仿酉矩阵。利用仿酉矩阵与MOCSS之间的等价性,开发了一系列参数选择灵活的多相MOCSS,补充了现有文献设计结果。考虑到多载波码分多址系统峰均功率比(PAPR)抑制问题,进一步利用布尔函数设计了一种具有低列向量PAPR特性的系数仿酉矩阵。实验结果表明,采用这类系数仿酉矩阵构造的MOCSS,其列序列PAPR有效控制在2以内的范围,同时保持了码容量和长度的灵活性,为系统提供了多样化的信号选择。
To address the limitations in design methods and the scarcity of construction parameters for mutual orthogonal complementary sequence set (MOCSS)
a construction method for MOCSS based on paraunitary (PU) matrices was proposed. The new concept of coefficient paraunitary (CPU) matrices was defined
and by employing matrix multiplication
Kronecker product
and matrix iteration techniques
three types of PU matrices with varying sizes were constructed. Utilizing the equivalence between PU matrices and MOCSS
a series of multi-phase MOCSS with flexible parameter selection were developed
filling the parameter gap in the existing literature. Considering the suppression of peak-to-average power ratio (PAPR) in multi-carrier code division multiple access (MC-CDMA) systems
a class of CPU matrices with low column vector PAPR characteristics was designed using Boolean functions. Experimental results demonstrate that the constructed MOCSS using such CPU matrices effectively controls the column sequence PAPR within the range of below two
while maintaining the flexibility of code capacity and length
providing a variety of signal selection options for the systems.
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