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Article Dans Une Revue International Journal of Electrical and Computer Engineering Année : 2024

Robust automotive radar interference mitigation using multiplicative-adaptive filtering and Hilbert transform

Résumé

Radar is one of the sensors that have significant attention to be implemented in an autonomous vehicle since its robustness under many possible environmental conditions such as fog, rain, and poor light. However, the implementation risks interference because of transmitting and/or receiving radar signals from/to other vehicles. This interference will increase the floor noise that can mask the target signal. This paper proposes multiplicative-adaptive filtering and Hilbert transform to mitigate the interference effect and maintain the target signal detectability. The method exploited the trade-off between the step-size and sidelobe effect on the least mean square-based adaptive filtering to improve the target detection accuracy, especially in the long-range case. The numerical analysis on the millimeter-wave frequency modulated continuous wave radar with multiple interferers concluded that the proposed method could maintain and enhance the target signal even if the target range is relatively far from the victim radar.
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Dates et versions

hal-04494497 , version 1 (07-03-2024)

Identifiants

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Budiman Putra Asmaur Rohman, Arief Suryadi Satyawan, Dayat Kurniawan, Ratna Indrawijaya, Chaeriah Bin Ali Wael, et al.. Robust automotive radar interference mitigation using multiplicative-adaptive filtering and Hilbert transform. International Journal of Electrical and Computer Engineering, 2024, 14 (1), pp.326. ⟨10.11591/ijece.v14i1.pp326-336⟩. ⟨hal-04494497⟩
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