Gnss blind interference detection based on fourth-order autocumulants
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 inter...
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| Veröffentlicht in: | IEEE transactions on aerospace and electronic systems 2016-10, Vol.52 (5), p.2574-2586 |
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| container_title | IEEE transactions on aerospace and electronic systems |
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| creator | Nunes, Fernando D. Sousa, Fernando M. G. |
| description | 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. |
| doi_str_mv | 10.1109/TAES.2016.150499 |
| format | Article |
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The asymptotic covariance matrix of the estimated autocumulant vector is analytically determined, thus reducing the complexity of the proposed technique.</description><subject>Broadband</subject><subject>Channel noise</subject><subject>Chirp</subject><subject>Covariance matrix</subject><subject>Gaussian distribution</subject><subject>Global navigation satellite system</subject><subject>Interference</subject><subject>Jamming</subject><subject>Mathematical analysis</subject><subject>Matrix algebra</subject><subject>Matrix methods</subject><subject>Narrowband</subject><subject>Receivers</subject><subject>Wideband</subject><issn>0018-9251</issn><issn>1557-9603</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kM1LAzEQxYMoWKt3wcuC563J5vtYSq1CwYP1HLLJBLe0uzXJHvzvTdkiDMwMvDdv-CH0SPCCEKxfdsv156LBRCwIx0zrKzQjnMtaC0yv0QxjomrdcHKL7lLal5UpRmdovelTqtpD1_uq6zPEABF6B5WHDC53Q1-1NoGvyhCGMebveogeYmXHPLjxOB5sn9M9ugn2kODh0ufo63W9W73V24_N-2q5rR0VIte04U563eCgMPNaMS0kbcA5sJS0lHimHFcsaB_aBhgW3kpairZUKy4onaPn6e4pDj8jpGz25ae-RBqiuJKaSSyKCk8qF4eUIgRzit3Rxl9DsDnDMmdY5gzLTLCK5WmydADwL5eKNEor-geOL2VB</recordid><startdate>20161001</startdate><enddate>20161001</enddate><creator>Nunes, Fernando D.</creator><creator>Sousa, Fernando M. 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| ispartof | IEEE transactions on aerospace and electronic systems, 2016-10, Vol.52 (5), p.2574-2586 |
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| language | eng |
| recordid | cdi_ieee_primary_7812898 |
| source | IEEE Electronic Library (IEL) |
| subjects | Broadband Channel noise Chirp Covariance matrix Gaussian distribution Global navigation satellite system Interference Jamming Mathematical analysis Matrix algebra Matrix methods Narrowband Receivers Wideband |
| title | Gnss blind interference detection based on fourth-order autocumulants |
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