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Adaptive Complex Filtering for Narrowband Jamming Mitigation in Resource-Constrained Wireless Networks

Author

Listed:
  • Zlatka Valkova Valkova-Jarvis

    (Faculty of Telecommunications, Technical University of Sofia, Sofia, Bulgaria)

  • Dimitriya Angelova Mihaylova

    (Faculty of Telecommunications, Technical University of Sofia, Sofia, Bulgaria)

  • Albena Dimitrova Mihovska

    (Department of Business Development and Technology, Aarhus University, Aarhus, Denmark)

  • Georgi Lubenov Iliev

    (Faculty of Telecommunications, Technical University of Sofia, Sofia, Bulgaria)

Abstract

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.

Suggested Citation

  • Zlatka Valkova Valkova-Jarvis & Dimitriya Angelova Mihaylova & Albena Dimitrova Mihovska & Georgi Lubenov Iliev, 2020. "Adaptive Complex Filtering for Narrowband Jamming Mitigation in Resource-Constrained Wireless Networks," International Journal of Interdisciplinary Telecommunications and Networking (IJITN), IGI Global, vol. 12(2), pages 46-58, April.
    • Handle: RePEc:igg:jitn00:v:12:y:2020:i:2:p:46-58
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