33 citations · 89 across the 15 of their papers we have counts for
16 papers
Deep Unfolding for Fast Linear Massive MIMO Precoders under a PA Consumption Model
Thomas Feys, Xavier Mestre, Emanuele Peschiera +1
Massive multiple-input multiple-output (MIMO) precoders are typically designed by minimizing the transmit power subject to a quality-of-service (QoS) constraint. However, current s…
Energy-Saving Precoder Design for Narrowband and Wideband Massive MIMO
Emanuele Peschiera, François Rottenberg
In this work, we study massive multiple-input multiple-output (MIMO) precoders optimizing power consumption while achieving the users' rate requirements. We first characterize anal…
Self-Supervised Learning of Linear Precoders under Non-Linear PA Distortion for Energy-Efficient Massive MIMO Systems
Thomas Feys, Xavier Mestre, François Rottenberg
Massive multiple input multiple output (MIMO) systems are typically designed under the assumption of linear power amplifiers (PAs). However, PAs are typically most energy-efficient…
The Z3RO Family of Precoders Cancelling Nonlinear Power Amplification Distortion in Large Array Systems
François Rottenberg, Gilles Callebaut, Liesbet Van der Perre
Large array systems use a massive number of antenna elements and clever precoder designs to achieve an array gain at the user location. These precoders require linear front-ends, a…
Optimal Downlink Training Sequence for Massive MIMO Secret-Key Generation
François Rottenberg
In this paper, the secret-key capacity is maximized by optimizing the downlink training sequence in a time division duplexing (TDD) massive multiple-input-multiple-output (MIMO) sc…
Physical Layer Security in a SISO Communication using Frequency-Domain Time-Reversal OFDM Precoding and Artificial Noise Injection
Sidney Jonathan Golstein, François Rottenberg, François Horlin +2
A frequency domain (FD) time-reversal (TR) precoder is proposed to perform physical layer security (PLS) in single-input single-output (SISO) systems using orthogonal frequency-div…
CSI-based versus RSS-based Secret-Key Generation under Correlated Eavesdropping
François Rottenberg, Trung-Hien Nguyen, Jean-Michel Dricot +2
Physical-layer security (PLS) has the potential to strongly enhance the overall system security as an alternative to or in combination with conventional cryptographic primitives us…
Secrecy Capacity of FBMC-OQAM Modulation over Frequency Selective Channel
François Rottenberg, Philippe De Doncker, François Horlin +1
This paper studies the information-theoretic secrecy capacity of an Offset-QAM-based filterbank multicarrier (FBMC-OQAM) communication over a wiretap frequency selective channel. T…
Robust Non-Coherent Beamforming for FDD Downlink Massive MIMO
François Rottenberg, Ming-Chun Lee, Thomas Choi +2
Designing beamforming techniques for the downlink (DL) of frequency division duplex (FDD) massive MIMO is known to be a challenging problem due to the difficulty of obtaining chann…
Experimental Investigation of Frequency Domain Channel Extrapolation in Massive MIMO Systems for Zero-Feedback FDD
Thomas Choi, François Rottenberg, Jorge Gomez-Ponce +4
Estimating downlink (DL) channel state information (CSI) in frequency division duplex (FDD) massive multi-input multi-output (MIMO) systems generally requires downlink pilots and f…
Impact of Realistic Propagation Conditions on Reciprocity-Based Secret-Key Capacity
François Rottenberg, Philippe De Doncker, François Horlin +1
Secret-key generation exploiting the channel reciprocity between two legitimate parties is an interesting alternative solution to cryptographic primitives for key distribution in w…
Double Directional Channel Measurements for THz Communications in an Urban Environment
Naveed A. Abbasi, Arjun Hariharan, Arun Moni Nair +4
While mm-wave systems are a mainstay for 5G communications, the inexorable increase of data rate requirements and user densities will soon require the exploration of next-generatio…
Channel Extrapolation for FDD Massive MIMO: Procedure and Experimental Results
Thomas Choi, François Rottenberg, Jorge Gomez-Ponce +4
Application of massive multiple-input multiple-output (MIMO) systems to frequency division duplex (FDD) is challenging mainly due to the considerable overhead required for downlink…
Performance Analysis of Channel Extrapolation in FDD Massive MIMO Systems
Francois Rottenberg, Thomas Choi, Peng Luo +2
Channel estimation for the downlink of frequency division duplex (FDD) massive MIMO systems is well known to generate a large overhead as the amount of training generally scales wi…
Channel Extrapolation in FDD Massive MIMO: Theoretical Analysis and Numerical Validation
François Rottenberg, Rui Wang, Jianzhong Zhang +1
Downlink channel estimation in massive MIMO systems is well known to generate a large overhead in frequency division duplex (FDD) mode as the amount of training generally scales wi…
Single-Tap Precoders and Decoders for Multi-User MIMO FBMC-OQAM under Strong Channel Frequency Selectivity
François Rottenberg, Xavier Mestre, François Horlin +1
The design of linear precoders or decoders for multiuser (MU) multiple-input multiple-output (MIMO) filterbank multicarrier (FBMC) modulations in the case of strong channel frequen…