Abstract
Non-stationary jamming signals broadcasted by jammers seriously affect the reliability of Global Navigation Satellite Systems (GNSS). What is worse, GNSS signals may be sparsely sampled or missing some samples in some situations. In this context, applying conventional anti-jam methods can lead to interference leakage. This letter proposes an interpolation-based subspace projection algorithm for non-stationary jamming mitigation in the presence of missing samples. To reduce interference leakage caused by missing samples, we propose to perform interpolation before applying subspace projection. The effectiveness of the algorithm is analyzed briefly. Numerical simulations show that the proposed algorithm can suppress interference very well in the presence of missing samples.
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