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A anti-jamming method for satellite navigation system based on multi-objective optimization technique

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  • Rongling Lang
  • Hong Xiao
  • Zi Li
  • Lihong Yu

Abstract

In this paper, an anti-jamming method, which turns the single objective optimization problem into a multi-objective optimization problem by utilizing 2-norm, is proposed. The proposed jamming suppression method can reduce the wide nulls and wrong nulls problems, which are generated by the common adaptive nulling methods. Therefore a better signal-noise-ratio (SNR) can be achieved, especially when the jammers are close to satellite signals. It can also improve the robustness of the algorithm. The effectiveness of the proposed method is evaluated by simulation and practical outdoor experiments with the GPS L1 band C/A signals. The experimental results show that with the dedicated method, the nulls targeting at the corresponding jammers become narrower and the wrong nulls can be eliminated.

Suggested Citation

  • Rongling Lang & Hong Xiao & Zi Li & Lihong Yu, 2017. "A anti-jamming method for satellite navigation system based on multi-objective optimization technique," PLOS ONE, Public Library of Science, vol. 12(7), pages 1-13, July.
    • Handle: RePEc:plo:pone00:0180893
    DOI: 10.1371/journal.pone.0180893
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