7 papers
G-iMUSIC: Greedy Iterative MUSIC Algorithms for Multi-Target DoA Estimation
Martin Willame, Gilles Monnoyer, François Horlin +1
This paper presents novel algorithms for multi-target direction-of-arrival (DoA) estimation in array signal processing. Although the maximum likelihood estimator (MLE) asymptotical…
Orthogonal Least Squares with Integrated Information Theoretic Criteria for Joint Number of Targets and DoA Estimation
Martin Willame, Gilles Monnoyer, François Horlin +1
We address the joint estimation of the number of targets and their direction-of-arrivals (DoAs) using antenna arrays. Target-number estimation can be formulated as a model-order se…
Aliasing in Near-Field Array Ambiguity Functions: a Spatial Frequency-Domain Framework
Gilles Monnoyer, Jérôme Louveaux, Laurence Defraigne +2
Next-generation communication and localization systems increasingly rely on extremely large-scale arrays (XL-arrays), which promise unprecedented spatial resolution and new functio…
Near-Field Beampointing with Low Exposure Regions: a Dominant Subspace Projection Approach
Laurence Defraigne, Gilles Monnoyer, Jérôme Louveaux +1
The spherical nature of the wavefronts exhibited in the near-field of antenna arrays enables advanced beamforming capabilities, such as beampointing and beamnulling. In this paper,…
Resolution-Aliasing Trade-off in Near-Field Localisation
Baptiste Sambon, Gilles Monnoyer, Luc Vandendorpe +1
Extremely Large-scale MIMO (XL-MIMO) systems operating in Near-Field (NF) introduce new degrees of freedom for accurate source localisation, but make dense arrays impractical. Spar…
Point Target Near-Field Bistatic Imaging: Chirp-Based Aliasing Analysis
Baptiste Sambon, Gilles Monnoyer, Claude Oestges +1
This paper presents a chirp-based framework for characterising aliasing in a bistatic Near-Field (NF) imaging system equipped with multidimensional antenna arrays. Extending monost…