69 citations · 304 across the 20 of their papers we have counts for
22 papers
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,…
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…
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…
Cellular Load Dependent Sleep Control for Energy Efficient HetNets with Non-Uniform User Distributions
Martin Willame, Charles Wiame, Jérôme Louveaux +2
This study proposes a novel stochastic geometry framework analyzing power control strategies in spatially correlated network topologies. Heterogeneous networks are studied, with us…
Multistatic OFDM Radar Fusion of MUSIC-based Angle Estimation
Martin Willame, Hasan Can Yildirim, Laurent Storrer +2
This study investigates the problem of angle-based localization of multiple targets using a multistatic OFDM radar. Although the maximum likelihood (ML) approach can be employed to…
Implementing a LoRa Software-Defined Radio on a General-Purpose ULP Microcontroller
Mathieu Xhonneux, Jérôme Louveaux, David Bol
Emerging Internet-of-Things sensing applications rely on ultra low-power (ULP) microcontroller units (MCUs) that wirelessly transmit data to the cloud. Typical MCUs nowadays consis…
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…
A Blind Beam Tracking Scheme for Millimeter Wave Systems
Steve Blandino, Thibault Bertrand, Claude Desset +2
Millimeter-wave is one of the technologies powering the new generation of wireless communication systems. To compensate the high path-loss, millimeter-wave devices need to use high…
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…
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…
A Low-Complexity LoRa Synchronization Algorithm Robust to Sampling Time Offsets
Mathieu Xhonneux, Orion Afisiadis, David Bol +1
LoRaWAN is nowadays one of the most popular protocols for low-power Internet-of-Things communications. Although its physical layer, namely LoRa, has been thoroughly studied in the…
Comments on "Probabilities of Error for Adaptive Reception of M-Phase Signals"
Trung-Hien Nguyen, Jerome Louveaux, Philippe De Doncker +1
Paper [1] derived the probability density function (PDF) of a sum of products of two correlated complex Gaussian zero-mean random variables (RVs) that has been applied to calculate…
Frequency-Domain Time-Reversal Precoding in Wideband MISO OFDM Communication Systems
Trung-Hien Nguyen, Jean-François Determe, Mathieu Van Eeckhaute +3
Time reversal (TR) recently emerged as an interesting communication technology capable of providing a good spatio-temporal signal focusing effect. New generations of large-bandwidt…
Quantity over Quality: Dithered Quantization for Compressive Radar Systems
Thomas Feuillen, Chunlei Xu, Jérôme Louveaux +2
In this paper, we investigate a trade-off between the number of radar observations (or measurements) and their resolution in the context of radar range estimation. To this end, we…
WaveComBox: a Matlab Toolbox for Communications using New Waveforms
François Rottenberg, Mathieu Van Eeckhaute, Trung-Hien Nguyen +2
Future generations of communications systems will target a very wide range of applications. Each application comes with its own set of requirements in terms of data rate, latency,…
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…
Improving the Correlation Lower Bound for Simultaneous Orthogonal Matching Pursuit
Jean-François Determe, Jérôme Louveaux, Laurent Jacques +1
The simultaneous orthogonal matching pursuit (SOMP) algorithm aims to find the joint support of a set of sparse signals acquired under a multiple measurement vector model. Critical…
On the Noise Robustness of Simultaneous Orthogonal Matching Pursuit
Jean-François Determe, Jérôme Louveaux, Laurent Jacques +1
In this paper, the joint support recovery of several sparse signals whose supports present similarities is examined. Each sparse signal is acquired using the same noisy linear meas…
On The Exact Recovery Condition of Simultaneous Orthogonal Matching Pursuit
Jean-François Determe, Jérôme Louveaux, Laurent Jacques +1
Several exact recovery criteria (ERC) ensuring that orthogonal matching pursuit (OMP) identifies the correct support of sparse signals have been developed in the last few years. Th…
Simultaneous Orthogonal Matching Pursuit With Noise Stabilization: Theoretical Analysis
J. F. Determe, J. Louveaux, L. Jacques +1
This paper studies the joint support recovery of similar sparse vectors on the basis of a limited number of noisy linear measurements, i.e., in a multiple measurement vector (MMV)…
Proceedings of the second "international Traveling Workshop on Interactions between Sparse models and Technology" (iTWIST'14)
L. Jacques, C. De Vleeschouwer, Y. Boursier +64
The implicit objective of the biennial "international - Traveling Workshop on Interactions between Sparse models and Technology" (iTWIST) is to foster collaboration between interna…
Weighted Sum Rate Maximization for Downlink OFDMA with Subcarrier-pair based Opportunistic DF Relaying
Tao Wang, Francois Glineur, Jerome Louveaux +1
This paper addresses a weighted sum rate (WSR) maximization problem for downlink OFDMA aided by a decode-and-forward (DF) relay under a total power constraint. A novel subcarrier-p…