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Gnss blind interference detection based on fourth-order autocumulants

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GNSS signals affected by additive channel noise are approximately Gaussian, but often the presence of interference may change that distribution.We propose a blind detection method based on the Giannakis-Tsatsanis Gaussianity test to evaluate the presence of narrowband and wideband non-Gaussian interference. This method, resorting to the sample fourth-order autocumulants, is compared to other Gaussianity tests. The asymptotic covariance matrix of the estimated autocumulant vector is analytically determined, thus reducing the complexity of the proposed technique.

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NUNES, Fernando D.; SOUSA, Fernando M. G. – GNSS blind interference detection based on fourth-order autocumulants. IEEE Transactions on Aerospace and Electronic Systems. ISSN 0018-9251. Vol. 52, N.º 5 (2016), pp. 2574–2586

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Institute of Electrical and Electronics Engineers

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