OMP-type Algorithm with Structured Sparsity Patterns for Multipath Radar Signals

Abstract : A transmitted, unknown radar signal is observed at the receiver through more than one path in additive noise. The aim is to recover the waveform of the intercepted signal and to simultaneously estimate the direction of arrival (DOA). We propose an approach exploiting the parsimonious time-frequency representation of the signal by applying a new OMP-type algorithm for structured sparsity patterns. An important issue is the scalability of the proposed algorithm since high-dimensional models shall be used for radar signals. Monte-Carlo simulations for modulated signals illustrate the good performance of the method even for low signal-to-noise ratios and a gain of 20 dB for the DOA estimation compared to some elementary method.
Type de document :
Pré-publication, Document de travail
2011
Liste complète des métadonnées

https://hal.archives-ouvertes.fr/hal-00580140
Contributeur : Tabea Rebafka <>
Soumis le : samedi 26 mars 2011 - 14:03:05
Dernière modification le : vendredi 10 février 2017 - 01:12:42
Document(s) archivé(s) le : lundi 27 juin 2011 - 02:28:36

Fichiers

OMP_radar.pdf
Fichiers produits par l'(les) auteur(s)

Identifiants

  • HAL Id : hal-00580140, version 1
  • ARXIV : 1103.5158

Collections

Citation

Tabea Rebafka, Céline Lévy-Leduc, Maurice Charbit. OMP-type Algorithm with Structured Sparsity Patterns for Multipath Radar Signals. 2011. <hal-00580140>

Partager

Métriques

Consultations de
la notice

269

Téléchargements du document

165