资源受限无线网络窄带干扰抑制的自适应复杂滤波

Z. Valkova-Jarvis, D. Mihaylova, A. Mihovska, G. Iliev
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引用次数: 2

摘要

干扰攻击是无线通信系统物理层安全面临的主要挑战。在众多现有的干扰缓解方法中,滤波是一种简单而有效的解决方案,可应用于资源受限和低功耗的无线网络。本文提出了一种一阶自适应复杂窄带陷波滤波器,用于对抗大功率窄带干扰攻击。滤波器的中心频率可自适应调节,以匹配干扰频率。这使得所提出的解决方案能够在频率在固定或随机时间段变化的干扰器存在的情况下有效地执行。仿真结果验证了该滤波器的性能和所提技术的有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Adaptive Complex Filtering for Narrowband Jamming Mitigation in Resource-Constrained Wireless Networks
Jamming attacks present a major challenge for the physical layer security of wireless communication systems. Among the large number of existing methods for jamming mitigation, filtering is a simple but promisingly effective solution that can be applied in resource-constrained and low-power wireless networks. In this article, a first-order adaptive complex narrowband notch filter is proposed for use against high-power narrowband jamming attacks. The central frequency of the filter is adaptively adjustable to match the interfering frequency. This enables the proposed solution to perform effectively in the presence of a jammer whose frequency varies in fixed or random time periods. The simulation results demonstrate the filter's behavior and the efficiency of the proposed technique.
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