5 papers
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…
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…
Chirp-Based Aliasing Analysis of Arrays in the Spherical Wavefront Regime
Gilles Monnoyer, Laurence Defraigne, Baptiste Sambon +2
In antenna arrays, wave propagation modeling based on Euclidean principles is typically represented by steering vectors or signals. This paper provides a new, chirp-based, interpre…
Electromagnetic Modelling of Extended Targets in a Distributed Antenna System
Baptiste Sambon, François De Saint Moulin, Guillaume Thiran +2
Traditional radar and integrated sensing and communication (ISAC) systems often approximate targets as point sources, a simplification that fails to capture the essential scatterin…