Householder based low-rank space-time processor for anti-jamming navigation receivers

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This paper addresses the problem of mitigating intentional jamming in navigation receivers using smart antennas. For example, GPS receivers provide high precision location information needed in many military and civilian applications. The signal powers employed are so low that navigation receivers are a lucrative target for intentional jamming. Consequently, it is important to use advanced receiver structures that can deal with different types of jamming. Space-time processing methods used in the receiver provide sufficient number of degrees of freedom for cancelling large number of wideband jammers. In this paper a low rank method stemming from multistage Wiener filtering (MSWF) is developed. A Householder transform based method for generating unitary blocking matrices is proposed. The computation of blocking matrices is efficient and the actual blocking operation has low complexity, too. The reliable performance of the method is demonstrated in anti-jamming GPS reception where a good number of both narrowband and wideband jammers are cancelled.

Original languageEnglish
Title of host publication2004 12th European Signal Processing Conference, EUSIPCO 2004
Number of pages4
ISBN (Electronic)978-320-0001-65-7
Publication statusPublished - 2004
MoE publication typeA4 Article in a conference publication
EventEuropean Signal Processing Conference - Vienna, Austria
Duration: 6 Sep 200410 Sep 2004
Conference number: 12


ConferenceEuropean Signal Processing Conference
Abbreviated titleEUSIPCO


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