Walid Hachem

Publication Activity (10 Years)

Years Active: 2000-2021
Publications (10 Years): 19

Top Topics

Sensor Networks

Covariance Matrices

Failure Diagnosis

Top Venues

IEEE Trans. Signal Process.

Publications

Pascal Bianchi, Walid Hachem, Adil Salim
A fully stochastic primal-dual algorithm. Optim. Lett. 15 (2) (2021)
Pascal Bianchi, Walid Hachem, Sholom Schechtman
Convergence of constant step stochastic gradient descent for non-smooth non-convex functions. CoRR (2020)
Arup Bose, Walid Hachem
Smallest singular value and limit eigenvalue distribution of a class of non-Hermitian random matrices with statistical application. J. Multivar. Anal. 178 (2020)
Arup Bose, Walid Hachem
A Whiteness Test Based on the Spectral Measure of Large Non-Hermitian Random Matrices. ICASSP (2020)
Walid Hachem, Adrien Hardy, Shlomo Shamai
Mutual Information of Wireless Channels and Block-Jacobi Ergodic Operators. IEEE Trans. Inf. Theory 65 (11) (2019)
Homa Nikbakht, Michèle A. Wigger, Walid Hachem, Shlomo Shamai Shitz
Mixed Delay Constraints on a Fading C-RAN Uplink. ITW (2019)
Adil Salim, Pascal Bianchi, Walid Hachem
Snake: A Stochastic Proximal Gradient Algorithm for Regularized Problems Over Large Graphs. IEEE Trans. Autom. Control. 64 (5) (2019)
Walid Hachem, Adrien Hardy, Shlomo Shamai
Mutual Information of Wireless Channels and Block-Jacobi Ergodic Operators. CoRR (2018)
Adil Salim, Pascal Bianchi, Walid Hachem
A Constant Step Stochastic Douglas-Rachford Algorithm with Application to non Separable Regularizations. ICASSP (2018)
Adil Salim, Pascal Bianchi, Walid Hachem
Snake: a Stochastic Proximal Gradient Algorithm for Regularized Problems over Large Graphs. CoRR (2017)
Adil Salim, Pascal Bianchi, Walid Hachem, Jérémie Jakubowicz
A stochastic proximal point algorithm for total variation regularization over large scale graphs. CDC (2016)
Celine Meillier, Pascal Bianchi, Walid Hachem
Two distributed algorithms for the deconvolution of large radio-interferometric multispectral images. EUSIPCO (2016)
Pascal Bianchi, Walid Hachem, Franck Iutzeler
A Coordinate Descent Primal-Dual Algorithm and Application to Distributed Asynchronous Optimization. IEEE Trans. Autom. Control. 61 (10) (2016)
Pascal Bianchi, Walid Hachem
Dynamical Behavior of a Stochastic Forward-Backward Algorithm Using Random Monotone Operators. J. Optim. Theory Appl. 171 (1) (2016)
Walid Hachem, Aris L. Moustakas, Leonid A. Pastur
Time and frequency selective Ricean MIMO capacity: An ergodic operator approach. ISIT (2016)
Franck Iutzeler, Pascal Bianchi, Philippe Ciblat, Walid Hachem
Explicit Convergence Rate of a Distributed Alternating Direction Method of Multipliers. IEEE Trans. Autom. Control. 61 (4) (2016)
Walid Hachem, Aris L. Moustakas, Leonid Pastur
The Shannon's mutual information of a multiple antenna time and frequency dependent channel: an ergodic operator approach. CoRR (2015)
Xavier Mestre, Pascal Vallet, Walid Hachem
Asymptotic analysis of linear spectral statistics of the sample coherence matrix. ICASSP (2015)
Julia Vinogradova, Romain Couillet, Walid Hachem
Estimation of Toeplitz Covariance Matrices in Large Dimensional Regime With Application to Source Detection. IEEE Trans. Signal Process. 63 (18) (2015)
Pascal Bianchi, Walid Hachem, Franck Iutzeler
A stochastic coordinate descent primal-dual algorithm and applications. MLSP (2014)
Pascal Bianchi, Walid Hachem
A primal-dual algorithm for distributed optimization. CDC (2014)
Pascal Bianchi, Walid Hachem, Franck Iutzeler
A stochastic primal-dual algorithm for distributed asynchronous composite optimization. GlobalSIP (2014)
Xavier Mestre, Pascal Vallet, Walid Hachem
Correlation test for high dimensional data with application to signal detection in sensor networks. EUSIPCO (2014)
Julia Vinogradova, Romain Couillet, Walid Hachem
Estimation of Toeplitz Covariance Matrices in Large Dimensional Regime with Application to Source Detection. CoRR (2014)
Pascal Bianchi, Walid Hachem, Franck Iutzeler
A Stochastic Coordinate Descent Primal-Dual Algorithm and Applications to Large-Scale Composite Optimization. CoRR (2014)
Franck Iutzeler, Pascal Bianchi, Philippe Ciblat, Walid Hachem
Linear convergence rate for distributed optimization with the alternating direction method of multipliers. CDC (2014)
Julia Vinogradova, Romain Couillet, Walid Hachem
Estimation of large toeplitz covariance matrices and application to source detection. EUSIPCO (2014)
Julia Vinogradova, Romain Couillet, Walid Hachem
Statistical Inference in Large Antenna Arrays Under Unknown Noise Pattern. IEEE Trans. Signal Process. 61 (22) (2013)
Julia Vinogradova, Romain Couillet, Walid Hachem
Statistical Inference in Large Antenna Arrays under Unknown Noise Pattern CoRR (2013)
Walid Hachem, Philippe Loubaton, Xavier Mestre, Jamal Najim, Pascal Vallet
A subspace estimator for fixed rank perturbations of large random matrices. J. Multivar. Anal. 114 (2013)
Franck Iutzeler, Pascal Bianchi, Philippe Ciblat, Walid Hachem
Asynchronous Distributed Optimization using a Randomized Alternating Direction Method of Multipliers CoRR (2013)
Romain Couillet, Walid Hachem
Fluctuations of Spiked Random Matrix Models and Failure Diagnosis in Sensor Networks. IEEE Trans. Inf. Theory 59 (1) (2013)
Julia Vinogradova, Romain Couillet, Walid Hachem
A new method for source detection, power estimation, and localization in large sensor networks under noise with unknown statistics. ICASSP (2013)
Franck Iutzeler, Pascal Bianchi, Philippe Ciblat, Walid Hachem
Explicit Convergence Rate of a Distributed Alternating Direction Method of Multipliers. CoRR (2013)
Franck Iutzeler, Pascal Bianchi, Philippe Ciblat, Walid Hachem
Asynchronous distributed optimization using a randomized alternating direction method of multipliers. CDC (2013)
Pascal Bianchi, Gersende Fort, Walid Hachem
Performance of a Distributed Stochastic Approximation Algorithm. IEEE Trans. Inf. Theory 59 (11) (2013)
Franck Iutzeler, Philippe Ciblat, Walid Hachem
Analysis of Sum-Weight-Like Algorithms for Averaging in Wireless Sensor Networks. IEEE Trans. Signal Process. 61 (11) (2013)
Pascal Bianchi, Gersende Fort, Walid Hachem
Performance of a Distributed Stochastic Approximation Algorithm CoRR (2012)
Franck Iutzeler, Philippe Ciblat, Walid Hachem, Jérémie Jakubowicz
New broadcast based distributed averaging algorithm over wireless sensor networks. ICASSP (2012)
Francisco Rubio, Xavier Mestre, Walid Hachem
A CLT on the SNR of Diagonally Loaded MVDR Filters CoRR (2012)
Nassar Ksairi, Philippe Ciblat, Pascal Bianchi, Walid Hachem
Performance Analysis over Slow Fading Channels of a Half-Duplex Single-Relay Protocol: Decode or Quantize and Forward. IEEE Trans. Commun. 60 (7) (2012)
Francisco Rubio, Xavier Mestre, Walid Hachem
A CLT on the SNR of Diagonally Loaded MVDR Filters. IEEE Trans. Signal Process. 60 (8) (2012)
David Gregoratti, Walid Hachem, Xavier Mestre
Randomized Isometric Linear-Dispersion Space-Time Block Coding for the DF Relay Channel. IEEE Trans. Signal Process. 60 (1) (2012)
Franck Iutzeler, Philippe Ciblat, Walid Hachem
Analysis of Sum-Weight-like algorithms for averaging in Wireless Sensor Networks CoRR (2012)
Pascal Bianchi, Gersende Fort, Walid Hachem, Jérémie Jakubowicz
Performance analysis of a distributed Robbins-Monro algorithm for sensor networks. EUSIPCO (2011)
Romain Couillet, Walid Hachem
Local failure localization in large sensor networks. ACSCC (2011)
Franck Iutzeler, Jérémie Jakubowicz, Walid Hachem, Philippe Ciblat
Distributed estimation of the maximum value over a Wireless Sensor Network. ACSCC (2011)
Walid Hachem, Eric Moulines, François Roueff
Error Exponents for Neyman-Pearson Detection of a Continuous-Time Gaussian Markov Process From Regular or Irregular Samples. IEEE Trans. Inf. Theory 57 (6) (2011)
Francisco Rubio, Xavier Mestre, Walid Hachem
A CLT on the SINR of the diagonally loaded Capon/MVDR beamformer. ICASSP (2011)
Pascal Bianchi, Gersende Fort, Walid Hachem, Jérémie Jakubowicz
Convergence of a distributed parameter estimator for sensor networks with local averaging of the estimates. ICASSP (2011)
Romain Couillet, Walid Hachem
Local failure detection and diagnosis in large sensor networks CoRR (2011)
Michel Nahas, Ahmed Saadani, Walid Hachem
Outage probability and power optimization for asynchronous cooperative networks. ICT (2010)
Nassar Ksairi, Pascal Bianchi, Philippe Ciblat, Walid Hachem
Resource allocation for downlink cellular OFDMA systems: part II: practical algorithms and optimal reuse factor. IEEE Trans. Signal Process. 58 (2) (2010)
Julien Dumont, Walid Hachem, Samson Lasaulce, Philippe Loubaton, Jamal Najim
On the capacity achieving covariance matrix for Rician MIMO channels: an asymptotic approach. IEEE Trans. Inf. Theory 56 (3) (2010)
Nassar Ksairi, Pascal Bianchi, Philippe Ciblat, Walid Hachem
Resource allocation for downlink cellular OFDMA systems: part I: optimal allocation. IEEE Trans. Signal Process. 58 (2) (2010)
Michel Nahas, Ahmed Saadani, Walid Hachem
Performance of asynchronous two-relay two-hop wireless cooperative networks. IEEE Trans. Wirel. Commun. 9 (3) (2010)
Michel Nahas, Ahmed Saadani, Walid Hachem
Performance of Asynchronous Amplify-and-Forward Cooperative Relay Networks. GLOBECOM (2009)
Abla Kammoun, Malika Kharouf, Walid Hachem, Jamal Najim
A central limit theorem for the SINR at the LMMSE estimator output for large-dimensional signals. IEEE Trans. Inf. Theory 55 (11) (2009)
Walid Hachem, Pascal Bianchi, Philippe Ciblat
Outage Probability-Based Power and Time Optimization for Relay Networks. IEEE Trans. Signal Process. 57 (2) (2009)
Eric A. Bouton, Nassar Ksairi, Philippe Ciblat, Pascal Bianchi, Walid Hachem
On the Outage Probability Optimization in MISO Rician Channels. WiMob (2009)
Walid Hachem, Eric Moulines, Jamal Najim, François Roueff
On the error exponents for detecting randomly sampled noisy diffusion processes. ICASSP (2009)
Nassar Ksairi, Philippe Ciblat, Pascal Bianchi, Walid Hachem
Performance Analysis over Slow Fading Channels of a Half-Duplex Single-Relay Protocol: Decode or Quantize and Forward CoRR (2009)
Abla Kammoun, Malika Kharouf, Walid Hachem, Jamal Najim
BER and outage probability approximations for LMMSE detectors on correlated MIMO channels. IEEE Trans. Inf. Theory 55 (10) (2009)
Walid Hachem, Eric Moulines, François Roueff
Error exponents for Neyman-Pearson detection of a continuous-time Gaussian Markov process from noisy irregular samples CoRR (2009)
Nassar Ksairi, Pascal Bianchi, Philippe Ciblat, Walid Hachem
Resource Allocation for Downlink Cellular OFDMA Systems: Part I - Optimal Allocation CoRR (2008)
Nassar Ksairi, Pascal Bianchi, Philippe Ciblat, Walid Hachem
Resource Allocation for Downlink Cellular OFDMA Systems: Part II - Asymptotic Analysis and Applications CoRR (2008)
Abla Kammoun, Malika Kharouf, Walid Hachem, Jamal Najim
BER and Outage Probability Approximations for LMMSE Detectors on Correlated MIMO Channels CoRR (2008)
Abla Kammoun, Malika Kharouf, Walid Hachem, Jamal Najim
A Central Limit Theorem for the SINR at the LMMSE Estimator Output for Large Dimensional Signals CoRR (2008)
Walid Hachem, Philippe Loubaton, Jamal Najim
On the fluctuations of the mutual information of large dimensional MIMO channels. ITW (2008)
Michel Nahas, Ahmed Saadani, Walid Hachem
On the Outage Probability of Asynchronous Wireless Cooperative Networks. VTC Fall (2008)
Abla Kammoun, Malika Kharouf, Walid Hachem, Jamal Najim
A Central Limit Theorem for the SNR at the Wiener Filter Output for Large Dimensional Signals CoRR (2008)
Walid Hachem, Oleksiy Khorunzhiy, Philippe Loubaton, Jamal Najim, Leonid Pastur
A New Approach for Mutual Information Analysis of Large Dimensional Multi-Antenna Channels. IEEE Trans. Inf. Theory 54 (9) (2008)
Walid Hachem, Pascal Bianchi, Philippe Ciblat
Outage probability optimization of certain wireless relaying protocols. ITW (2008)
Sophie Gault, Walid Hachem, Philippe Ciblat
Performance Analysis of an OFDMA Transmission System in a Multicell Environment. IEEE Trans. Commun. 55 (4) (2007)
Belkacem Mouhouche, Philippe Loubaton, Walid Hachem
Asymptotic Analysis of Reduced-Rank Chip-Level MMSE Equalizers in the Downlink of CDMA Systems. IEEE Trans. Signal Process. 55 (6-2) (2007)
Julien Dumont, Walid Hachem, Samson Lasaulce, Philippe Loubaton, Jamal Najim
On the capacity achieving covariance matrix for Rician MIMO channels: an asymptotic approach. CoRR (2007)
Julien Dumont, Walid Hachem, Samson Lasaulce, Philippe Loubaton, Jamal Najim
High SNR approximations of the capacity of MIMO correlated Rician channels: a large system approach. ISIT (2007)
Serdar Sezginer, Pascal Bianchi, Walid Hachem
Asymptotic Cramér-Rao Bounds and Training Design for Uplink MIMO-OFDMA Systems With Frequency Offsets. IEEE Trans. Signal Process. 55 (7-2) (2007)
Jocelyn Fiorina, Walid Hachem
On the asymptotic distribution of the correlation receiver output for time-hopped UWB signals. IEEE Trans. Signal Process. 54 (7) (2006)
Walid Hachem, Oleksiy Khorunzhiy, Philippe Loubaton, Jamal Najim, Leonid Pastur
A New Approach for Capacity Analysis of Large Dimensional Multi-Antenna Channels CoRR (2006)
Antonio M. Cipriano, Philippe Ciblat, Sophie Gault, Walid Hachem
Balanced allocation strategy in multi-user OFDM with channel state information at the transmitter. EUSIPCO (2006)
Sophie Gault, Walid Hachem, Philippe Ciblat
Joint sampling clock offset and channel estimation for OFDM signals: Cramér-Rao bound and algorithms. IEEE Trans. Signal Process. 54 (5) (2006)
Jocelyn Fiorina, Walid Hachem
Trade-off between repetition factor and frame length in Time-Hopping Impulse Radio Ultra Wide Band. PIMRC (2005)
Armelle Wautier, Saloua Ammari, Walid Hachem
Low complexity linear detection for asynchronous CDMA signals over frequency selective channels. EUSIPCO (2004)
Jean-Marie Chaufray, Walid Hachem, Philippe Loubaton
Asymptotic analysis of optimum and suboptimum CDMA downlink MMSE receivers. IEEE Trans. Inf. Theory 50 (11) (2004)
Belkacem Mouhouche, Philippe Loubaton, Walid Hachem, Nicolas Ibrahim
Asymptotic analysis of reduced rank downlink CDMA Wiener receivers. EUSIPCO (2004)
Sophie Gault, Walid Hachem, Philippe Ciblat
Cramer-Rao bounds for data-aided sampling clock offset and channel estimation. ICASSP (4) (2004)
Walid Hachem
Simple polynomial detectors for CDMA downlink transmissions on frequency-selective channels. IEEE Trans. Inf. Theory 50 (1) (2004)
Philippe Loubaton, Walid Hachem
Asymptotic analysis of reduced rank Wiener filters. ITW (2003)
Mérouane Debbah, Walid Hachem, Philippe Loubaton, Marc de Courville
MMSE analysis of certain large isometric random precoded systems. IEEE Trans. Inf. Theory 49 (5) (2003)
Jean-Marie Chaufray, Philippe Loubaton, Walid Hachem
Asymptotic analysis of optimum and sub-optimum CDMA downlink MMSE receivers. ISSPA (1) (2003)
Walid Hachem, François Desbouvries, Philippe Loubaton
MIMO channel blind identification in the presence of spatially correlated noise. IEEE Trans. Signal Process. 50 (3) (2002)
Mérouane Debbah, Walid Hachem, Philippe Loubaton, Marc de Courville
MMSE analysis of certain large isometric random precoded systems. ITW (2001)
Walid Hachem, Philippe Loubaton, Sylvie Marcos, R. Samy
Multiple access communication over the power line channel: a CDMA approach. GLOBECOM (2001)
Walid Hachem, François Desbouvries, Philippe Loubaton
Blind channel estimation for CDMA systems: an induced cyclostationarity approach. ICASSP (2000)