239 citations · 296 across the 14 of their papers we have counts for
17 papers
Semi-Blind Joint Channel and Symbol Estimation for IRS-Assisted MIMO Systems
Gilderlan Tavares de Araújo, André Lima Férrer de Almeida, Rémy Boyer +1
Intelligent reflecting surface (IRS) is a promising technology for the 6th generation of wireless systems, realizing the smart radio environment concept. In this paper, we present…
Channel Estimation for Intelligent Reflecting Surface Assisted MIMO Systems: A Tensor Modeling Approach
Gilderlan T. de Araújo, André L. F. de Almeida, Rémy Boyer
Intelligent reflecting surface (IRS) is an emerging technology for future wireless communications including 5G and especially 6G. It consists of a large 2D array of (semi-)passive…
Multi-frequency calibration for DOA estimation with distributed sensors
Martin Brossard, Virginie Ollier, Mohammed Nabil El Korso +2
In this work, we investigate direction finding in the presence of sensor gain uncertainties and directional perturbations for sensor array processing in a multi-frequency scenario.…
Robust distributed calibration of radio interferometers with direction dependent distortions
Virginie Ollier, Mohammed Nabil El Korso, André Ferrari +2
In radio astronomy, accurate calibration is of crucial importance for the new generation of radio interferometers. More specifically, because of the potential presence of outliers…
Bayesian Calibration using Different Prior Distributions: an Iterative Maximum A Posteriori Approach for Radio Interferometers
Virginie Ollier, Mohammed Nabil El Korso, André Ferrari +2
In this paper, we aim to design robust estimation techniques based on the compound-Gaussian (CG) process and adapted for calibration of radio interferometers. The motivation beyond…
Robust Calibration of Radio Interferometers in Multi-Frequency Scenario
Virginie Ollier, Mohammed Nabil El Korso, André Ferrari +2
This paper investigates calibration of sensor arrays in the radio astronomy context. Current and future radio telescopes require computationally efficient algorithms to overcome th…