activity
20142026
most citedLearning computationally efficient dictionaries and their implementation as fast transforms

7 citations · 22 across the 11 of their papers we have counts for

collaborators

13 papers

eess.SP2026

Multi-dimensional hierarchical dictionary search for large MIMO-OFDM systems

Nay Klaimi, Philippe Mary, Luc Le Magoarou

Sparse recovery algorithms are of utmost importance for estimation processes in wireless communications. However, communication systems such as massive multiple input multiple outp…

physics.optics2024

Optimal blind focusing on perturbation-inducing targets in sub-unitary complex media

Jérôme Sol, Luc Le Magoarou, Philipp del Hougne

The scattering of waves in a complex medium is perturbed by polarizability changes or motion of embedded targets. These perturbations could serve as perfectly non-invasive guidesta…

eess.SP2023

Semi-Supervised End-to-End Learning for Integrated Sensing and Communications

José Miguel Mateos-Ramos, Baptiste Chatelier, Christian Häger +3

Integrated sensing and communications (ISAC) is envisioned as one of the key enablers of next-generation wireless systems, offering improved hardware, spectral, and energy efficien…

eess.SP2023

Model-based Deep Learning for High-Dimensional Periodic Structures

Lucas Polo-López, Luc Le Magoarou, Romain Contreres +1

This work presents a deep learning surrogate model for the fast simulation of high-dimensional frequency selective surfaces. We consider unit-cells which are built as multiple conc…

cs.AI2023

Model-based learning for location-to-channel mapping

Baptiste Chatelier, Luc Le Magoarou, Vincent Corlay +1

Modern communication systems rely on accurate channel estimation to achieve efficient and reliable transmission of information. As the communication channel response is highly rela…

eess.SP2023★ 6 cited

Experimentally realized physical-model-based wave control in metasurface-programmable complex media

Jérôme Sol, Hugo Prod'homme, Luc Le Magoarou +1

The reconfigurability of radio environments with programmable metasurfaces is considered a key feature of next-generation wireless networks. Identifying suitable metasurface config…

eess.SP2023★ 2 cited

Model-Based End-to-End Learning for Multi-Target Integrated Sensing and Communication under Hardware Impairments

José Miguel Mateos-Ramos, Christian Häger, Musa Furkan Keskin +2

We study model-based end-to-end learning in the context of integrated sensing and communication (ISAC) under hardware impairments. Hardware impairments are usually addressed by mea…

cs.IT2023

On the Tacit Linearity Assumption in Common Cascaded Models of RIS-Parametrized Wireless Channels

Antonin Rabault, Luc Le Magoarou, Jérôme Sol +4

We analytically derive from first physical principles the functional dependence of wireless channels on the RIS configuration for generic (i.e., potentially complex-scattering) RIS…

eess.SP2022★ 5 cited

Model-Driven End-to-End Learning for Integrated Sensing and Communication

José Miguel Mateos-Ramos, Christian Häger, Musa Furkan Keskin +2

Integrated sensing and communication (ISAC) is envisioned to be one of the pillars of 6G. However, 6G is also expected to be severely affected by hardware impairments. Under such i…

eess.SP2020★ 2 cited

Online unsupervised deep unfolding for MIMO channel estimation

Luc Le Magoarou, Stéphane Paquelet

Channel estimation is a difficult problem in MIMO systems. Using a physical model allows to ease the problem, injecting a priori information based on the physics of propagation. Ho…

math.NA2017

Analyzing the Approximation Error of the Fast Graph Fourier Transform

Luc LeMagoarou, Nicolas Tremblay, Rémi Gribonval

The graph Fourier transform (GFT) is in general dense and requires O(n^2) time to compute and O(n^2) memory space to store. In this paper, we pursue our previous work on the approx…

cs.IT2017

Parametric channel estimation for massive MIMO

Luc Le Magoarou, Stéphane Paquelet

Channel state information is crucial to achieving the capacity of multi-antenna (MIMO) wireless communication systems. It requires estimating the channel matrix. This estimation ta…

cs.LG2014★ 7 cited

Learning computationally efficient dictionaries and their implementation as fast transforms

Luc Le Magoarou, Rémi Gribonval

Dictionary learning is a branch of signal processing and machine learning that aims at finding a frame (called dictionary) in which some training data admits a sparse representatio…