Pulsed and narrowband mixed interference mitigation technique for single antenna GNSS receivers

Most previous works focus on single type of interference mitigation and simplified combination of these existed methods leads to high disabled probabilities of single antenna Global Navigation Satellite System (GNSS) receivers under mixed interference scenarios due to the interaction of different types of interferers. In this paper, depending on the assumption that pulsed interference repetition period is known, we introduce a segementation method which will guarantee the success of narrowband interference (NBI) power spectrum density (PSD) estimation by minimum operation in mixed interference. Then NBI and pulsed interference can be mitigated, subsequently. The effectiveness is validated by numerical simulation results.

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