基于m-序列的跳频序列集的构造与二维相关性分析

刘元慧; 许成谦; 方汶铭

doi:10.11999/JEIT170051

基于m-序列的跳频序列集的构造与二维相关性分析

doi: 10.11999/JEIT170051

2.
(燕山大学信息科学与工程学院秦皇岛 066004) ②(燕山大学理学院秦皇岛 066004)

基金项目:

国家自然科学基金(61671402, 11304270)，河北省自然科学基金(F2015203150)，博士后基金(2015M570234)

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出版历程
- 收稿日期: 2017-01-16
- 修回日期: 2017-05-16
- 刊出日期: 2017-10-19

Construction and Two-dimensional Correlation Analysis of Frequency Hopping Sequences Based on m-Sequence

2.
(School of Information Science and Engineering, Yanshan University, Qinhuangdao 066004, China)

Funds:

The National Natural Science Foundation of China (61671402, 11304270), The Natural Science Foundation of Hebei Province (F2015203150), The Postdoctoral Foundation (2015M570234)

摘要

摘要: 在雷达等高速移动的通信系统中，由于传输过程中的时延和多普勒频移，在分析跳频序列的性能时，需要对其时频2维汉明相关性进行分析。线性移位寄存器序列(m-序列)具有良好的随机、平衡等性质，因此m-序列已被广泛应用到跳频序列的构造中。该文对基于m-序列的跳频序列集的时频2维汉明相关性进行分析，计算了其时频2维汉明相关值的分布；构造了具有新参数的跳频序列集。在相同多普勒频移下，新序列集的2维相关性与已有基于m-序列的跳频序列集的2维相关性相比较更稳定。
- 跳频序列 /
- m -序列 /
- 时频2维汉明相关值 /
- 2维最大汉明相关值
Abstract: In the high-speed mobile communication system such as the radar, due to time delay and Doppler shift in the transmission process, it is needed to analyze Time-Frequency (TF) two-dimensional (2-D) Hamming correlation of the Frequency Hopping Sequence (FHS). Linear feedback shift register sequence (m-sequence) has good random and balance properties, so it is widely used to the construction of FHSs. In this paper, the TF 2-D Hamming correlation of FHS set constructed by m-sequence is analyzed, the distribution of its TF 2-D Hamming correlation is calculated, and an FHS set with new parameters is constructed. Under the same Doppler shift, the 2-D correlation of the new sequence set is more stable than the 2-D correlation of the existing ones.
- Frequency Hopping Sequence (FHS) /
- m-sequence /
- Time-frequency two-dimensional Hamming correlation /
- Two-dimensional maximum Hamming correlation

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参考文献(21)

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