Blind jamming detection based on time variant whitener for DSSS systems

被引：0
|
作者：
Chen X. [1 ,2 ]
Yang W. [1 ]
机构：
[1] Department of Electronic and Optical Engineering, Space Engineering University, Beijing
[2] Graduate School, Space Engineering University, Beijing
来源：
Xi Tong Gong Cheng Yu Dian Zi Ji Shu/Systems Engineering and Electronics | 2021年 / 43卷 / 07期
关键词：
Cyclostationary signal; Direct sequence spread spectrum (DSSS) communication; Frequency domain frequency shift filter; Jamming detection;
D O I：
10.12305/j.issn.1001-506X.2021.07.30
中图分类号：
学科分类号：
摘要：
This paper applies cyclic wiener filter to jamming detection for direct sequence spread spectrum (DSSS) systems and proposes a blind jamming detector, named time variant whitener based detector. Due to the distinct cyclostationarity features of the DSSS signal and jamming signal, the filtering coefficients of time varying whitener (TVW) detector can be adjusted to make the output of the detector contain jamming signal and background noise, so as to realize blind jamming detecting. The simulation results show that the DSSS receiving structures using the proposed cyclostationary-based jamming detection can decide the presence of jamming signal at a wide range of jamming-to-signal ratio, and outperforms the time invariant whitener-based detector. © 2021, Editorial Office of Systems Engineering and Electronics. All right reserved.
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页码：1981 / 1988
页数：7
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