STAP for GPS receiver synchronization
A space-time adaptive processing (STAP) algorithm for delay tracking and acquisition of the GPS signature sequence with interference rejection capability is developed. The interference can consist of both broadband and narrowband jammers, and is mitigated in two steps. The narrowband jammers are mod...
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| Veröffentlicht in: | IEEE transactions on aerospace and electronic systems 2004-01, Vol.40 (1), p.132-144 |
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| creator | Seung-Jun Kim Iltis, R.A. |
| description | A space-time adaptive processing (STAP) algorithm for delay tracking and acquisition of the GPS signature sequence with interference rejection capability is developed. The interference can consist of both broadband and narrowband jammers, and is mitigated in two steps. The narrowband jammers are modelled as vector autoregressive (VAR) processes and rejected by temporal whitening. The spatial nulling is implicitly achieved by estimating a sample covariance matrix and feeding its inverse into the extended Kalman filter (EKF). The EKF estimates of the code delay and the fading channel are used for a t-test for acquisition detection. Computer simulations demonstrate robust performance of the algorithm in severe jamming, and also show that the algorithm outperforms the conventional delay-locked loop (DLL). |
| doi_str_mv | 10.1109/TAES.2004.1292148 |
| format | Article |
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(IEEE) 2004</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c384t-b1e09ea4516dd82ef5e3f5bb6764c50315f86749e38753964df99319ae3540053</citedby><cites>FETCH-LOGICAL-c384t-b1e09ea4516dd82ef5e3f5bb6764c50315f86749e38753964df99319ae3540053</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/1292148$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,796,27923,27924,54757</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/1292148$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Seung-Jun Kim</creatorcontrib><creatorcontrib>Iltis, R.A.</creatorcontrib><title>STAP for GPS receiver synchronization</title><title>IEEE transactions on aerospace and electronic systems</title><addtitle>T-AES</addtitle><description>A space-time adaptive processing (STAP) algorithm for delay tracking and acquisition of the GPS signature sequence with interference rejection capability is developed. The interference can consist of both broadband and narrowband jammers, and is mitigated in two steps. The narrowband jammers are modelled as vector autoregressive (VAR) processes and rejected by temporal whitening. The spatial nulling is implicitly achieved by estimating a sample covariance matrix and feeding its inverse into the extended Kalman filter (EKF). The EKF estimates of the code delay and the fading channel are used for a t-test for acquisition detection. Computer simulations demonstrate robust performance of the algorithm in severe jamming, and also show that the algorithm outperforms the conventional delay-locked loop (DLL).</description><subject>Acquisitions</subject><subject>Algorithms</subject><subject>Computer simulation</subject><subject>Covariance matrix</subject><subject>Delay</subject><subject>Delay estimation</subject><subject>Fading</subject><subject>Geographic information systems</subject><subject>Global Positioning System</subject><subject>Interference</subject><subject>Jammers</subject><subject>Jamming</subject><subject>Narrowband</subject><subject>Reactive power</subject><subject>Robustness</subject><subject>Satellite navigation systems</subject><issn>0018-9251</issn><issn>1557-9603</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2004</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNqFkVtLAkEUgIcoyKwfEL0sQfW0Nmfu8yhiFggJ2vOwrmdoRXdsRgP79e2iEPRQT4fD-c6Nj5BroD0Aah9n_eG0xygVPWCWgTAnpANS6twqyk9Jh1IwuWUSzslFSssmFUbwDrmbzvqTzIeYjSbTLGKJ1SfGLO3r8j2GuvoqtlWoL8mZL1YJr46xS96ehrPBcz5-Hb0M-uO85EZs8zkgtVgICWqxMAy9RO7lfK60EqWkHKQ3SguL3GjJrRILby0HWyCXglLJu-ThMHcTw8cO09atq1TialXUGHbJGauY0FpBQ97_STJLheFa_w8aBaZZ3YC3v8Bl2MW6edcZw6VlAtoD4QCVMaQU0btNrNZF3DugrhXhWhGuFeGOIpqem0NPhYg__LH6DTRFgDo</recordid><startdate>200401</startdate><enddate>200401</enddate><creator>Seung-Jun Kim</creator><creator>Iltis, R.A.</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Acquisitions Algorithms Computer simulation Covariance matrix Delay Delay estimation Fading Geographic information systems Global Positioning System Interference Jammers Jamming Narrowband Reactive power Robustness Satellite navigation systems |
| title | STAP for GPS receiver synchronization |
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