Walid Hachem

Publications

Article dans une revue (53)

Approximate Message Passing for General Non-symmetric Random Matrices Mohammed-Younes Gueddari,Walid Hachem,Jamal Najim Journal of Theoretical Probability, 2026, 39 (19), 69p. ⟨10.1007/s10959-025-01476-z⟩ Article dans une revue hal-05321074v2
Elliptic Approximate Message Passing and an application to theoretical ecology Mohammed-Younes Gueddari,Walid Hachem,Jamal Najim Random Matrices: Theory and Applications, 2025, ⟨10.1142/S2010326325500182⟩ Article dans une revue hal-04452585v1
Long run convergence of discrete-time interacting particle systems of the McKean-Vlasov type Pascal Bianchi,Walid Hachem,Victor Priser Stochastic Processes and their Applications, 2025 Article dans une revue hal-04512759v5
Approximate Message Passing for sparse matrices with application to the equilibria of large ecological Lotka-Volterra systems Walid Hachem Stochastic Processes and their Applications, 2024, 170, pp.104276. ⟨10.1016/j.spa.2023.104276⟩ Article dans une revue hal-04000125v2
Equilibria of large random Lotka-Volterra systems with vanishing species: a mathematical approach Imane Akjouj,Walid Hachem,Jamal Najim,Mylene Maida Journal of Mathematical Biology, 2024, 89, ⟨10.1007/s00285-024-02155-z⟩ Article dans une revue hal-04174195v2
Stochastic Subgradient Descent Escapes Active Strict Saddles on Weakly Convex Functions Pascal Bianchi,Walid Hachem,Sholom Schechtman Mathematics of Operations Research, 2024, 49 (3), pp.1761-1790. ⟨10.1287/moor.2021.0194⟩ Article dans une revue hal-03442137v3
Complex systems in Ecology: A guided tour with large Lotka-Volterra models and random matrices Imane Akjouj,Matthieu Barbier,Maxime Clenet,Walid Hachem,Mylène Maïdaet al. Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 2024, 480 (2285), pp.20230284:1-35. ⟨10.1098/rspa.2023.0284⟩ Article dans une revue hal-03839927v2
Spectral measures of empirical autocovariance matrices of high dimensional Gaussian stationary processes Arup Bose,Walid Hachem Random Matrices: Theory and Applications, 2023, 12 (02), ⟨10.1142/S2010326322500538⟩ Article dans une revue hal-03446803v2
Non-Hermitian random matrices with a variance profile (II): properties and examples Nicholas Cook,Walid Hachem,Jamal Najim,David Renfrew Journal of Theoretical Probability, 2022, 35 (4), pp.2343-2382. ⟨10.1007/s10959-021-01140-2⟩ Article dans une revue hal-03095169v1
Convergence of constant step stochastic gradient descent for non-smooth non-convex functions Pascal Bianchi,Walid Hachem,Sholom Schechtman Set-Valued and Variational Analysis, 2022, 30 (3), pp.1117-1147. ⟨10.1007/s11228-022-00638-z⟩ Article dans une revue hal-02564349v3
Stochastic optimization with momentum: convergence, fluctuations, and traps avoidance Anas Barakat,Pascal Bianchi,Walid Hachem,Sholom Schechtman Electronic Journal of Statistics , 2021, 15 (2), pp.3892-3947. ⟨10.1214/21-EJS1880⟩ Article dans une revue hal-03310455v1
Smallest singular value and limit eigenvalue distribution of a class of non-Hermitian random matrices with statistical application Arup Bose,Walid Hachem Journal of Multivariate Analysis, 2020, ⟨10.1016/j.jmva.2020.104623⟩ Article dans une revue hal-03052843v1
A Fully Stochastic Primal-Dual Algorithm Pascal Bianchi,Walid Hachem,Adil Salim Optimization Letters, 2020, ⟨10.1007/s11590-020-01614-y⟩ Article dans une revue hal-02369882v2
Constant step stochastic approximations involving differential inclusions: stability, long-run convergence and applications Pascal Bianchi,Walid Hachem,Adil Salim Stochastics: An International Journal of Probability and Stochastic Processes, 2019, 91 (2), pp.288-320. ⟨10.1080/17442508.2018.1539086⟩ Article dans une revue hal-02369439v1
Mutual Information of Wireless Channels and Block-Jacobi Ergodic Operators Walid Hachem,Adrien Hardy,Shlomo Shamai IEEE Transactions on Information Theory, 2019, 65 (11), ⟨10.1109/TIT.2019.2927017⟩ Article dans une revue hal-01954454v1
A constant step Forward-Backward algorithm involving random maximal monotone operators Pascal Bianchi,Walid Hachem,Adil Salim Journal of Convex Analysis, 2019, 26 (2), pp.397-436. ⟨10.48550/arXiv.1702.04144⟩ Article dans une revue hal-01725134v1
Snake: a stochastic proximal gradient algorithm for regularized problems over large graphs Adil Salim,Pascal Bianchi,Walid Hachem IEEE Transactions on Automatic Control, 2018 Article dans une revue hal-02287871v1
Non-Hermitian random matrices with a variance profile (I): deterministic equivalents and limiting ESDs Nicholas Cook,Walid Hachem,Jamal Najim,David Renfrew Electronic Journal of Probability, 2018, 23, pp.1 - 61. ⟨10.1214/18-EJP230⟩ Article dans une revue hal-02385528v1
Explicit Convergence Rate of a Distributed Alternating Direction Method of Multipliers Franck Iutzeler,Pascal Bianchi,Philippe Ciblat,Walid Hachem IEEE Transactions on Automatic Control, 2016, 61 (4), pp.892 - 904 Article dans une revue hal-02286968v1
Large complex correlated Wishart matrices: the Pearcey kernel and expansion at the hard edge Walid Hachem,Adrien Hardy,Jamal Najim Electronic Journal of Probability, 2016, https://projecteuclid.org/journals/electronic-journal-of-probability/volume-21/issue-none/Large-complex-correlated-Wishart-matrices--the-Pearcey-kernel-and/10.1214/15-EJP4441.full, 21 (1), pp.1-36. ⟨10.1214/15-EJP4441⟩ Article dans une revue hal-01834495v1
Large Complex Correlated Wishart Matrices: Fluctuations and Asymptotic Independence at the Edges. Walid Hachem,Adrien Hardy,Jamal Najim The Annals of Probability, 2016, 44 (3), pp.2264-2348. ⟨10.1214/15-AOP1022⟩ Article dans une revue hal-01063807v1
A Coordinate Descent Primal-Dual Algorithm and Application to Distributed Asynchronous Optimization Pascal Bianchi,Walid Hachem,Franck Iutzeler IEEE Transactions on Automatic Control, 2016, 61 (10), pp.2947-2957. ⟨10.1109/TAC.2015.2512043⟩ Article dans une revue hal-01237226v1
Dynamical behavior of a stochastic forward-backward algorithm using random monotone operators Pascal Bianchi,Walid Hachem Journal of Optimization Theory and Applications, 2016, 171 Article dans une revue hal-01183959v1
Analysis of the limiting spectral measure of large random matrices of the separable covariance type Romain Couillet,Walid Hachem Random Matrices: Theory and Applications, 2015, 3 (4) Article dans une revue hal-02287068v1
Estimation of Toeplitz Covariance Matrices in Large Dimensional Regime With Application to Source Detection Julia Vinogradova,Romain Couillet,Walid Hachem IEEE Transactions on Signal Processing, 2015, 63 (18), pp.4903 - 4913. ⟨10.1109/TSP.2015.2447493⟩ Article dans une revue hal-01241741v1
The Shannon's mutual information of a multiple antenna time and frequency dependent channel: an ergodic operator approach Walid Hachem,Aris Moustakas,Leonid Pastur Journal of Mathematical Physics, 2015, 56 (11) Article dans une revue hal-02287508v1
A Survey on the Eigenvalues Local Behavior of Large Complex Correlated Wishart Matrices Walid Hachem,Adrien Hardy,Jamal Najim ESAIM: Proceedings and Surveys, 2015, 51, pp.150-174 Article dans une revue hal-01199904v1
THE OUTLIERS AMONG THE SINGULAR VALUES OF LARGE RECTANGULAR RANDOM MATRICES WITH ADDITIVE FIXED RANK DEFORMATION Francois Chapon,Romain Couillet,Walid Hachem,Xavier Mestre Markov Processes And Related Fields, 2014, 20 (2), pp.183-228 Article dans une revue hal-01098923v1
A Subspace Estimator for Fixed Rank Perturbations of Large Random Matrices Walid Hachem,Philippe Loubaton,X. Mestre,Jamal Najim,Pascal Vallet Journal of Multivariate Analysis, 2013, 114, pp.427-447. ⟨10.1016/j.jmva.2012.08.006⟩ Article dans une revue hal-00598826v2
On bilinear forms based on the resolvent of large random matrices Walid Hachem,Philippe Loubaton,Jamal Najim,Pascal Vallet Annales de l'Institut Henri Poincaré (B) Probabilités et Statistiques, 2013, 49 (1), pp.36-63. ⟨10.1214/11-AIHP450⟩ Article dans une revue hal-00474126v2
Performance of a Distributed Stochastic Approximation Algorithm P. Bianchi,Gersende Fort,Walid Hachem IEEE Transactions on Information Theory, 2013, 59 (11), pp.7405-7418. ⟨10.1109/TIT.2013.2275131⟩ Article dans une revue hal-02286437v1
Analysis of Sum-Weight-like algorithms for averaging in Wireless Sensor Networks Franck Iutzeler,Philippe Ciblat,Walid Hachem IEEE Transactions on Signal Processing, 2013, 61 (11), pp. 2802 - 2814. ⟨10.1109/TSP.2013.2256904⟩ Article dans une revue hal-00737584v1
Statistical Inference in Large Antenna Arrays under Unknown Noise Pattern Julia Vinogradova,Romain Couillet,Walid Hachem IEEE Transactions on Signal Processing, 2013, 61 (22), pp.5633-5645 Article dans une revue hal-02287071v1
Fluctuations of spiked random matrix models and failure diagnosis in sensor networks Romain Couillet,Walid Hachem IEEE Transactions on Information Theory, 2013, 59 (1), pp.509-525. ⟨10.1109/TIT.2012.2218572⟩ Article dans une revue hal-00830228v1
A CLT for information-theoretic statistics of non-centered Gram random matrices Walid Hachem,Malika Kharouf,Jamal Najim,Jack W. Silverstein Random Matrices: Theory and Applications, 2012, 1 (2), pp.1-50. ⟨10.1142/S2010326311500109⟩ Article dans une revue hal-00829214v1
Large information plus noise random matrix models and consistent subspace estimation in large sensor networks Walid Hachem,Philippe Loubaton,Xavier Mestre,Jamal Najim,Pascal Vallet Random Matrices: Theory and Applications, 2012, 01 (1150006), pp.1-51. ⟨10.1142/S2010326311500067⟩ Article dans une revue hal-00790069v1
Randomized Isometric Linear Dispersion Space-Time Block Coding for the DF Relay Channel D. Gregoratti,Walid Hachem,X. Mestre IEEE Transactions on Signal Processing, 2012, 60 (1), pp.426-442. ⟨10.1109/TSP.2011.2171685⟩ Article dans une revue hal-02278550v1
Performance analysis over slow fading channels of a half-duplex single-relay protocol: Decode or Quantize and Forward N. Ksairi,Philippe Ciblat,P. Bianchi,Walid Hachem IEEE Transactions on Communications, 2012, 60 (7), pp.2009-2016 Article dans une revue hal-02286369v1
A CLT on the SNR of Diagonally Loaded MVDR Filters F. Rubio,Walid Hachem,X. Mestre IEEE Transactions on Signal Processing, 2012, 60 (8) Article dans une revue hal-02278548v1
Error Exponents for Neyman-Pearson Detection of a Continuous-Time Gaussian Markov Process From Regular or Irregular Samples Walid Hachem,E. Moulines,François Roueff IEEE Transactions on Information Theory, 2011, 57 (6), pp.3899-3914. ⟨10.1109/TIT.2011.2133630⟩ Article dans une revue hal-00604392v1
On the capacity achieving covariance matrix for Rician MIMO channels: an asymptotic approach Julien Dumont,Walid Hachem,Samson Lasaulce,Philippe Loubaton,Jamal Najim IEEE Transactions on Information Theory, 2010, 56 (3), pp.1048--1069 Article dans une revue hal-00180897v2
A CLT for Information-theoretic statistics of Gram random matrices with a given variance profile Walid Hachem,Philippe Loubaton,Jamal Najim The Annals of Applied Probability, 2008, ? (1), 10pp Article dans une revue hal-00621862v1
A New Approach for Mutual Information Analysis of Large Dimensional Multi-Antenna Channels Walid Hachem,Oleksiy Khorunzhiy,Philippe Loubaton,Jamal Najim,Leonid Pastur IEEE Transactions on Information Theory, 2008, 54 (9), pp.3987-4004. ⟨10.1109/TIT.2008.928229⟩ Article dans une revue hal-00120482v1
Deterministic equivalents for certain functionals of large random matrices Walid Hachem,Philippe Loubaton,J. Najim The Annals of Applied Probability, 2007, 17 (1), pp.875-930 Article dans une revue hal-00621793v1
Asymptotic Cramér-Rao Bounds and Training Design for Uplink MIMO-OFDMA Systems with Frequency Offsets Serdar Sezginer,Pascal Bianchi,Walid Hachem IEEE Transactions on Signal Processing, 2007, 55 (7), pp. 3606-3622 Article dans une revue hal-00226420v1
Asymptotic Analysis of Reduced-Rank Chip-Level MMSE Equalizers in the Downlink of CDMA Systems B. Mouhouche,Philippe Loubaton,Walid Hachem IEEE Transactions on Signal Processing, 2007, 55 (6), pp.3048-3060 Article dans une revue hal-00621792v1
On the Asymptotic Distribution of the Correlation Receiver Output for Time-Hopped UWB Signals Jocelyn Fiorina,Walid Hachem IEEE Transactions on Signal Processing, 2006, 54 (Issue 7), pp. 2529-2545 Article dans une revue hal-00278906v1
The empirical distribution of the eigenvalues of a Gram matrix with a given variance profile Walid Hachem,Philippe Loubaton,J. Najim Annales de l'Institut Henri Poincaré (B) Probabilités et Statistiques, 2006, PR42 (1), pp.649-670. ⟨10.1016/j.anihpb.2005.10.001⟩ Article dans une revue hal-00621791v1
The empirical eigenvalue distribution of a Gram matrix: From independence to stationarity Walid Hachem,Philippe Loubaton,J. Najim Markov Processes And Related Fields, 2005, ? (1), pp.629-648 Article dans une revue hal-00621863v1
Asymptotic analysis of optimum and sub-optimum CDMA downlink MMSE receivers J.M. Chaufray,Walid Hachem,Philippe Loubaton IEEE Transactions on Information Theory, 2004, 50 (11), pp.2620-2638 Article dans une revue hal-00621914v1
MMSE analysis of certain large isometric random precoded systems M. Debbah,Walid Hachem,Philippe Loubaton,M. De Courville IEEE Transactions on Information Theory, 2003, 49 (5), pp.1293-1311 Article dans une revue hal-00621699v1
A MIMO channel blind identification algorithm in the presence of spatially correlated noise Walid Hachem,François Desbouvries,Philippe Loubaton IEEE Transactions on Signal Processing, 2002, 50 (3), pp.651-661 Article dans une revue hal-00621712v1
Identification of certain Noisy MA Models : New Results Walid Hachem,François Desbouvries,Philippe Loubaton Systems and Control Letters, 2000, 39 (1), pp.237-43 Article dans une revue hal-00621713v1

Communication dans un congrès (42)

A Linear Complementarity Problem based on non-Symmetric Large Random Matrices Mohammed-Younes Gueddari,Walid Hachem,Jamal Najim XXIXème Colloque Francophone de Traitement du Signal et des Images-GRETSI 2023, Aug 2023, Grenoble, France Communication dans un congrès hal-04271966v1
Les grandes matrices aléatoires : un aperçu historique Walid Hachem GRETSI, Sep 2022, Nancy, France Communication dans un congrès hal-03817828v1
« Approximate Message Passing » et solutions de grands systèmes dynamiques écologiques de Lotka-Volterra Walid Hachem,Jamal Najim GRETSI, Sep 2022, Nancy, France Communication dans un congrès hal-03817834v1
A whiteness test based on the spectral measure of large non-Hermitian random matrices Arup Bose,Walid Hachem IEEE ICASSP, 2020, Barcelone, Spain. ⟨10.1109/icassp40776.2020.9053212⟩ Communication dans un congrès hal-03052847v1
Information mutuelle de canaux radio et opérateurs de Jacobi ergodiques Walid Hachem,Adrien Hardy,Shlomo Shamai GRETSI, 2019, Lille, France Communication dans un congrès hal-02385518v1
Mixed Delay Constraints on a Fading C-RAN Uplink Homa Nikbakht,Michèle Wigger,Walid Hachem,Shlomo Shamai Shitz IEEE Information Theory Workshop (ITW), 2019, Visby, Sweden. ⟨10.1109/itw44776.2019.8989156⟩ Communication dans un congrès hal-02385497v1
A Constant Step Stochastic Douglas-Rachford Algorithm with Application to Non Separable Regularizations Adil Salim,Pascal Bianchi,Walid Hachem ICASSP 2018, Apr 2018, Calgary, Canada. pp.2886-2890, ⟨10.1109/ICASSP.2018.8461469⟩ Communication dans un congrès hal-02369904v1
Convergence d'un algorithme du gradient proximal stochastique à pas constant et généralisation aux opérateurs monotones aléatoires Adil Salim,Pascal Bianchi,Walid Hachem GRETSI, Sep 2017, Juan-les-Pins, France Communication dans un congrès hal-01725141v1
Two distributed algorithms for the deconvolution of large radio-interferometric multispectral images Céline Meillier,Pascal Bianchi,Walid Hachem Eusipco, Sep 2016, Budapest, Hungary Communication dans un congrès hal-02412199v1
Building Stochastic Optimization Algorithms with Random Monotone Operators Pascal Bianchi,Walid Hachem,Adil Salim Eucco, Sep 2016, Leuven, Belgium Communication dans un congrès hal-02287356v1
Asymptotic analysis of linear spectral statistics of the sample coherence matrix Pascal Vallet,Xavier Mestre,Walid Hachem ICASSP 2015 - 2015 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Apr 2015, South Brisbane, France. ⟨10.1109/ICASSP.2015.7179059⟩ Communication dans un congrès hal-01715691v1
Estimation of Large Toeplitz Covariance Matrices and Application to Source Detection J. Vinogradova,Romain Couillet,Walid Hachem EUSIPCO'14, Sep 2014, Lisbon, Portugal. pp.2120 - 2124 Communication dans un congrès hal-01092899v1
Correlation Test for High Dimensional Data with Application to Signal Detection in Distributed Sensor Networks X. Mestre,P. Vallet,Walid Hachem EUSIPCO, 2014, Lisbonne, Portugal Communication dans un congrès hal-02287075v1
Linear Convergence Rate for Distributed Optimization with the Alternating Direction Method of Multipliers Franck Iutzeler,Pascal Bianchi,Philippe Ciblat,Walid Hachem CDC, Dec 2014, Los Angeles, United States Communication dans un congrès hal-02412076v1
Asynchronous Distributed Optimization using a Randomized Alternating Direction Method of Multipliers Franck Iutzeler,Pascal Bianchi,Philippe Ciblat,Walid Hachem CDC, Dec 2013, Italy Communication dans un congrès hal-00868412v1
A new method for source detection, power estimation, and localization in large sensor networks under noise with unknown statistics J. Vinogradova,Romain Couillet,Walid Hachem 2013 IEEE International Conference on Acoustics, Speech and Signal Processing, May 2013, Vancouver, Canada. 4 p Communication dans un congrès hal-00830338v1
New broadcast based distributed averaging algorithm over wireless sensor networks Franck Iutzeler,Philippe Ciblat,Walid Hachem,Jérémie Jakubowicz ICASSP '12 : IEEE International Conference on Acoustics, Speech and Signal Processing, Mar 2012, Kyoto, Japan. pp.3117-3120, ⟨10.1109/ICASSP.2012.6288575⟩ Communication dans un congrès hal-00754937v1
A new broadcast based averaging algorithm over wireless sensor networks Franck Iutzeler,Philippe Ciblat,Walid Hachem,Jérémie Jakubowicz 37-th IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Mar 2012, Japan Communication dans un congrès hal-00737600v1
On the Fluctuations of the Mutual Information for the Non-Centered MIMO Channels: The Non-Gaussian Case A. Kammoun,M. Kharouf,Walid Hachem,J. Najim SPAWC, Jun 2011, Marrakech, Morocco Communication dans un congrès hal-02288308v1
Distributed estimation of the maximum value over a wireless sensor network Franck Iutzeler,Jérémie Jakubowicz,Walid Hachem,Philippe Ciblat ASILOMAR '11 : The Forty Fifth Asilomar Conference on Signals, Systems and Computers, Nov 2011, Pacific Grove, Ca, United States. pp.62-66, ⟨10.1109/ACSSC.2011.6189955⟩ Communication dans un congrès hal-00755111v1
An Improved MUSIC Algorithm Based on Low Rank Perturbation of Large Random Matrices Pascal Vallet,Walid Hachem,Philippe Loubaton,X. Mestre,Jamal Najim SSP, Jul 2011, France. pp.689-692 Communication dans un congrès hal-00733787v1
On the Consistency of the G-MUSIC DoA Estimator Pascal Vallet,Walid Hachem,Philippe Loubaton,X. Mestre,Jamal Najim SSP, Jul 2011, France. pp.685-688 Communication dans un congrès hal-00733784v1
Asymptotic Analysis of a Consistent Subspace Estimator for Observations of Increasing Dimension X. Mestre,Walid Hachem,Philippe Loubaton,Pascal Vallet SSP, Jul 2011, Nice, France. pp.677 - 680 Communication dans un congrès hal-00733780v1
Estimation distribuée du maximum dans un réseau de capteurs Franck Iutzeler,Philippe Ciblat,Walid Hachem,Jérémie Jakubowicz XXIIIe Colloque GRETSI, Sep 2011, Bordeaux, France Communication dans un congrès hal-00737593v1
Orthogonal Matrix Precoding for Relay Networks D. Gregoratti,Walid Hachem,X. Mestre ISWPC, May 2010, Modena, Italy Communication dans un congrès hal-02278633v1
Optimal reuse factor and resource allocation for OFDMA downlink with multicell interference Nassar Ksairi,Pascal Bianchi,Walid Hachem,Ph. Ciblat IEEE Workshop on Signal Processing Advances for Wireless Communications (SPAWC 2008), Jul 2008, Recife, Brazil. pp.CD-ROM Proceedings Communication dans un congrès hal-00348399v1
On the fluctuations of the mutual information of large dimensional MIMO channels Walid Hachem,Philippe Loubaton,J. Najim ITW 2008, May 2008, France. 10pp Communication dans un congrès hal-00621830v1
Outage Probability Optimization of Certain Wireless Relaying Protocols Walid Hachem,Pascal Bianchi,Ph. Ciblat 2008 IEEE Information Theory Workshop (ITW 2008), May 2008, Porto, Portugal. pp.CD-ROM Proceedings Communication dans un congrès hal-00348259v1
High SNR approximations of the capacity of MIMO correlated Rician channels: a large system approach Julien Dumont,Walid Hachem,S. Lasaulce,Philippe Loubaton,J. Najim ISIT 2007, Jun 2007, France. pp.536-540 Communication dans un congrès hal-00621918v1
Balanced allocation strategy in multi-user OFDM with Channel State Information at the transmitter A.M. Cipriano,Ph. Ciblat,Sophie Gault,Walid Hachem EUSIPCO'2006, 2006, Florence, Italy. pp.CD-ROM Proceedings Communication dans un congrès hal-00279698v1
On the Asymptotic Analysis of Mutual Information of MIMO Rician Correlated Channels Julien Dumont,Walid Hachem,Philippe Loubaton,J. Najim ISCCSP'2006, 2006, Marrakesh, Morocco. pp.CD-ROM Proceedings Communication dans un congrès hal-00279705v1
The Mutual Information of a MIMO Channel: A Survey Walid Hachem,Philippe Loubaton,J. Najim ISCCSP'2006, 2006, Marrakesh, Morocco. pp.CD-ROM Proceedings Communication dans un congrès hal-00279700v1
Performance of a Resource Allocation Strategy for an FH-OFDMA based System in a multi-cell environment Sophie Gault,Walid Hachem,Ph. Ciblat SPAWC'2006, 2006, Cannes, France. pp.CD-ROM Proceedings Communication dans un congrès hal-00279696v1
Asymptotic analysis fo reduced rank downlink CDMA Wiener receivers B. Mouhouche,Philippe Loubaton,Walid Hachem,Nada Ibrahim in Proc. of Conf. EUSIPCO-2004, Sep 2004, France. pp.201-204 Communication dans un congrès hal-00621744v1
Analyse asymptotique de certains filtres de Wiener à rang réduit Belkacem Mouhouche,Philippe Loubaton,Walid Hachem,Karim Abed-Meraim,Nicolas Ibrahim Actes du Colloque Gretsi 2003, Sep 2003, France. pp.163-166 Communication dans un congrès hal-00621757v1
Asymptotic analysis of optimum and suboptimum CDMA downlink MMSE receivers J.M. Chaufray,Philippe Loubaton,Walid Hachem Proceedings. Seventh ISSPA Conf., Jul 2003, France. pp.493-496 Communication dans un congrès hal-00621681v1
Asymptotic analysis of reduced rank Wiener filters Philippe Loubaton,Walid Hachem In Proc. Information Theory Workshop 2003, Paris, Apr 2003, France. pp.328-331 Communication dans un congrès hal-00621738v1
Asymptotic analysis of optimum and sub-optimum CDMA downlink MMSE receivers J.M. Chaufray,Walid Hachem,Philippe Loubaton in Proc. ISIT-2002, Jun 2002, France. 10pp Communication dans un congrès hal-00621678v1
Asymptotic performance analysis for redundant block precoded OFDM systems M. Debbah,Walid Hachem,Philippe Loubaton,M. De Courville in Proceedings of the 11th IEEE Statistical Signal Prcoessing Workshop, Singapore, Aug 2001, France. 10pp Communication dans un congrès hal-00621701v1
MMSE analysis of certain large isometric random precoded systems M. Debbah,Walid Hachem,Philippe Loubaton,M. De Courville in 2001 Information Theory Workshop, Cairns, Australia, Sep 2001, France. 10pp Communication dans un congrès hal-00621700v1
Blind channel estimation for CDMA systems : an induced cyclostationarity approach Walid Hachem,François Desbouvries,Philippe Loubaton in Proc. ICASSP-2000, Istanbul, Jun 2000, France. pp.2477-2480 Communication dans un congrès hal-00621714v1
Un algorithme d'identification autodidacte multi-entrées/ multi-sorties en présence de bruit corrélé spatialement Walid Hachem,François Desbouvries,Philippe Loubaton in Actes du Colloque GRETSI-99., 1999, France. 10pp Communication dans un congrès hal-00621715v1

Pré-publication, Document de travail (7)

EXTREME EIGENVALUES AND EIGENVECTORS FOR FINITE RANK ADDITIVE DEFORMATIONS OF NON-HERMITIAN SPARSE RANDOM MATRICES Walid Hachem,Michail Louvaris,Jamal Najim 2026 Pré-publication, Document de travail hal-05513506v1
The SK model with a sparse variance profile: free energy and AMP algorithm for TAP equations at high temperature Walid Hachem 2026 Pré-publication, Document de travail hal-05597619v2
Spin glass analysis of the invariant distribution of lotka-volterra SDE with a large random interaction matrix Mohammed-Younes Gueddari,Walid Hachem 2025 Pré-publication, Document de travail hal-05320950v1
The outliers among the singular values of large rectangular random matrices with additive fixed rank deformation Francois Chapon,Romain Couillet,Walid Hachem,Xavier Mestre 2012 Pré-publication, Document de travail hal-00713811v2
Local failure detection and diagnosis in large sensor networks Romain Couillet,Walid Hachem 2011 Pré-publication, Document de travail hal-00608743v1
A Central Limit Theorem for the SINR at the LMMSE Estimator Output for Large Dimensional Signals Abla Kammoun,Malika Kharouf,Walid Hachem,Jamal Najim 2008 Pré-publication, Document de travail hal-00328163v1
A CLT for Information-theoretic statistics of Gram random matrices with a given variance profile Walid Hachem,Philippe Loubaton,Jamal Najim 2007 Pré-publication, Document de travail hal-00151136v1