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Signal, Image and Video Processing

, Volume 13, Issue 1, pp 27–34 | Cite as

Range-Doppler Fast Block LMS algorithm for a DVB-T-based Passive Bistatic Radar

  • Mohamed Amine AttalahEmail author
  • Toufik Laroussi
  • Fulvio Gini
  • Maria Sabrina Greco
Original Paper
  • 70 Downloads

Abstract

In this paper, we propose a novel algorithm based on fast block LMS (least mean square) adaptive filter, called RD-FBLMS (range-Doppler fast block LMS) for direct path and multipath interferences cancellation in DVB-T (digital video broadcasting—terrestrial) passive bistatic radars (PBRs). These interferences represent some of the major problems in PBR systems, generated by signals received from the illuminator of opportunity and their multiple reflections through the surveillance channel, which is only dedicated to receive targets echoes. It is known that classical adaptive filtering can only be used for cancellation of zero Doppler interferences. Based on successive reference signal modulations and suppressions of nonzero Doppler multipath interferences, the RD-FBLMS algorithm exhibits a faster convergence rate, a shorter processing time and a better cross-ambiguity function than well-known existing algorithms.

Keywords

Passive Bistatic Radar DVB-T signal DPI and MPI cancellation Adaptive filters Fast Block LMS 

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Copyright information

© Springer-Verlag London Ltd., part of Springer Nature 2018

Authors and Affiliations

  1. 1.Département d’ElectroniqueUniversité des Frères Mentouri Constantine 1ConstantineAlgeria
  2. 2.Dipartimento di Ingegneria dell’Informazione - Elettronica, Informatica, TelecomunicazioniUniversità Degli Studi di PisaPisaItalia

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