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In this work, we present mitigation algorithms to protect GNSS receivers against malicious interference. Maritime applications with an antenna array-based receiver are considered as a use case. A two-stage mitigation algorithm, that tackles multipath and radio frequency interference (RFI), caused by personal privacy devices (PPD) or additive white Gaussian noise (AWGN) interferers is presented. Our...
In this work, we present an antenna array-based algorithm to detect GNSS repeater and/or spoofing attacks with an experimental validation. With an array receiver capable of measuring the impinging ranging signals direction of arrival in terms of azimuth and elevation, it is possible to estimate the antenna platforms attitude. The fact that this information is computed (w.r.t. a reference frame) during...
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