Abstract

The positioning performance of GNSS receivers is strongly influenced by radio interferences, especially continuous wave interference (CWI). Recent studies have modeled the effects of the interference and have shown that the effect of the interference is strongest where the frequency offset between CWI interference and the GNSS signal is a multiple of 1KHz. However, these studies have not yet modeled the effect of phase offset between CWI interference and signal which has a significant impact on the positioning performance. In this paper, we present the effect of CWI interference on positioning performance considering the role of both frequency and phase offset. In addition, theoretical and simulation results also show that CWI noise does not significantly affect the signal with some specific values of phase offset.

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