GNSS World of China

Volume 44 Issue 4
Aug.  2019
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WANG Fujun, DING Xiaoyan, XIE Weihua, XU Hanqing. Study on anti-jamming and signal enhancement algorithms for satellite navigation[J]. GNSS World of China, 2019, 44(4): 47-52. doi: DOI:10.13442/j.gnss.1008-9268.2019.04.007
Citation: WANG Fujun, DING Xiaoyan, XIE Weihua, XU Hanqing. Study on anti-jamming and signal enhancement algorithms for satellite navigation[J]. GNSS World of China, 2019, 44(4): 47-52. doi: DOI:10.13442/j.gnss.1008-9268.2019.04.007
shu

Study on anti-jamming and signal enhancement algorithms for satellite navigation

doi: DOI:10.13442/j.gnss.1008-9268.2019.04.007
  • 1.

    Satellite Navigation Center of Beijing, Beijing 100094,China

  • 2.

    Institute of Geographical  Sciences, Hebei Academy of Sciences, Shijiazhuang 050000,China

  • 3.

    31109 Troops, Nanjing 210009, China

  • Publish Date: 2019-08-15
    Abstract
  • Aiming at the problem that power inversion (PI) anti-jamming algorithm can only suppress jamming but can not enhance navigation signal, a cascade spatial anti-jamming algorithm is proposed. Firstly, the parallel power inversion algorithm based on orthogonal subspace projection is used to eliminate the strong interference, and then blind beamforming based on cyclostationarity is used to enhance the navigation signal and further improve SINR. Finally, the effectiveness of this method is verified by simulation.

     

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