Walid Hachem

Documents

Publications

	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⟩ Journal articles hal-04000125v2
	Complex systems in Ecology: A guided tour with large Lotka-Volterra models and random matrices Imane Akjouj , Matthieu Barbier , Maxime Clenet , Walid Hachem , Mylène Maïda Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 2024, 480 (2285), pp.20230284:1-35. ⟨10.1098/rspa.2023.0284⟩ Journal articles hal-03839927v2
	Stochastic Subgradient Descent Escapes Active Strict Saddles on Weakly Convex Functions Pascal Bianchi , Walid Hachem , Sholom Schechtman Mathematics of Operations Research, In press, ⟨10.1287/moor.2021.0194⟩ Journal articles hal-03442137v3
	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⟩ Journal articles hal-03446803v2
	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⟩ Journal articles hal-02564349v3
	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⟩ Journal articles hal-03095169v1
	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⟩ Journal articles hal-03310455v1
	A Fully Stochastic Primal-Dual Algorithm Pascal Bianchi , Walid Hachem , Adil Salim Optimization Letters, 2020, ⟨10.1007/s11590-020-01614-y⟩ Journal articles hal-02369882v2
	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⟩ Journal articles hal-03052843v1
	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⟩ Journal articles hal-01954454v1
	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⟩ Journal articles hal-02369439v1
	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⟩ Journal articles hal-01725134v1
	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⟩ Journal articles hal-02385528v1
	Snake: a stochastic proximal gradient algorithm for regularized problems over large graphs Adil Salim , Pascal Bianchi , Walid Hachem IEEE Transactions on Automatic Control, 2018 Journal articles hal-02287871v1
	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⟩ Journal articles hal-01834495v1
	Large Complex Correlated Wishart Matrices: Fluctuations and Asymptotic Independence at the Edges. Walid Hachem , Adrien Hardy , Jamal Najim Annals of Probability, 2016, 44 (3), pp.2264-2348. ⟨10.1214/15-AOP1022⟩ Journal articles hal-01063807v1
	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 Journal articles hal-02286968v1
	Dynamical behavior of a stochastic forward-backward algorithm using random monotone operators Pascal Bianchi , Walid Hachem Journal of Optimization Theory and Applications, 2016, 171 Journal articles hal-01183959v1
	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⟩ Journal articles hal-01237226v1
	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⟩ Journal articles hal-01241741v1
	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) Journal articles hal-02287068v1
	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 Journal articles hal-01199904v1
	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) Journal articles hal-02287508v1
	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 Journal articles hal-01098923v1
	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 Journal articles hal-02287071v1
	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⟩ Journal articles hal-00598826v2
	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⟩ Journal articles hal-02286437v1
	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⟩ Journal articles hal-00474126v2
	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⟩ Journal articles hal-00737584v1
	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⟩ Journal articles hal-00830228v1
	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⟩ Journal articles hal-00790069v1
	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⟩ Journal articles hal-00829214v1
	A CLT on the SNR of Diagonally Loaded MVDR Filters F. Rubio , Walid Hachem , X. Mestre IEEE Transactions on Signal Processing, 2012, 60 (8) Journal articles hal-02278548v1
	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 Journal articles hal-02286369v1
	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⟩ Journal articles hal-02278550v1
	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⟩ Journal articles 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 Journal articles hal-00180897v2
	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⟩ Journal articles hal-00120482v1
	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 Journal articles hal-00621862v1
	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 Journal articles 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 Journal articles hal-00621792v1
	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 Journal articles hal-00621793v1
	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⟩ Journal articles hal-00621791v1
	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 Journal articles hal-00278906v1
	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 Journal articles 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 Journal articles 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 Journal articles 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 Journal articles 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 Journal articles hal-00621713v1

	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 Conference papers hal-04271966v1
	Les grandes matrices aléatoires : un aperçu historique Walid Hachem GRETSI, Sep 2022, Nancy, France Conference papers hal-03817828v1
	« Approximate Message Passing » et solutions de grands systèmes dynamiques écologiques de Lotka-Volterra Walid Hachem , Jamal Najim GRETSI, Sep 2022, Nancy, France Conference papers 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 Conference papers hal-03052847v1
	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 Conference papers hal-02385497v1
	Information mutuelle de canaux radio et opérateurs de Jacobi ergodiques Walid Hachem , Adrien Hardy , Shlomo Shamai GRETSI, 2019, Lille, France Conference papers hal-02385518v1
	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⟩ Conference papers 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 Conference papers hal-01725141v1
	Building Stochastic Optimization Algorithms with Random Monotone Operators Pascal Bianchi , Walid Hachem , Adil Salim Eucco, Sep 2016, Leuven, Belgium Conference papers hal-02287356v1
	Two distributed algorithms for the deconvolution of large radio-interferometric multispectral images Céline Meillier , Pascal Bianchi , Walid Hachem Eusipco, Sep 2016, Budapest, Hungary Conference papers hal-02412199v1
	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⟩ Conference papers hal-01715691v1
	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 Conference papers hal-02287075v1
	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 Conference papers hal-01092899v1
	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 Conference papers 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 Conference papers 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 Conference papers 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⟩ Conference papers 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 Conference papers hal-00737600v1
	Estimation distribuée du maximum dans un réseau de capteurs Franck Iutzeler , Philippe Ciblat , Walid Hachem , Jérémie Jakubowicz XXIIIe Colloque GRETSI, Sep 2011, Bordeaux, France Conference papers hal-00737593v1
	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 Conference papers hal-00733780v1
	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 Conference papers 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 Conference papers hal-00733784v1
	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 Conference papers 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⟩ Conference papers hal-00755111v1
	Orthogonal Matrix Precoding for Relay Networks D. Gregoratti , Walid Hachem , X. Mestre ISWPC, May 2010, Modena, Italy Conference papers hal-02278633v1
	On the fluctuations of the mutual information of large dimensional MIMO channels Walid Hachem , Philippe Loubaton , J. Najim ITW 2008, May 2008, France. 10pp Conference papers hal-00621830v1
	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 Conference papers hal-00348399v1
	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 Conference papers 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 Conference papers hal-00621918v1
	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 Conference papers hal-00279705v1
	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 Conference papers hal-00279698v1
	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 Conference papers hal-00279696v1
	The Mutual Information of a MIMO Channel: A Survey Walid Hachem , Philippe Loubaton , J. Najim ISCCSP'2006, 2006, Marrakesh, Morocco. pp.CD-ROM Proceedings Conference papers hal-00279700v1
	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 Conference papers hal-00621744v1
	Asymptotic analysis of reduced rank Wiener filters Philippe Loubaton , Walid Hachem In Proc. Information Theory Workshop 2003, Paris, Apr 2003, France. pp.328-331 Conference papers hal-00621738v1
	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 Conference papers hal-00621681v1
	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 Conference papers hal-00621757v1
	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 Conference papers 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 Conference papers 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 Conference papers 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 Conference papers 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 Conference papers hal-00621715v1

	Long run convergence of discrete-time interacting particle systems of the McKean-Vlasov type Pascal Bianchi , Walid Hachem , Victor Priser 2024 Preprints, Working Papers, ... hal-04512759v3
	Elliptic Approximate Message Passing and an application to theoretical ecology Mohammed-Younes Gueddari , Walid Hachem , Jamal Najim 2024 Preprints, Working Papers, ... hal-04452585v1
	Equilibria of large random Lotka-Volterra systems with vanishing species: a mathematical approach Imane Akjouj , Walid Hachem , Jamal Najim , Mylene Maida 2023 Preprints, Working Papers, ... hal-04174195v1
	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 Preprints, Working Papers, ... hal-00713811v2
	Local failure detection and diagnosis in large sensor networks Romain Couillet , Walid Hachem 2011 Preprints, Working Papers, ... 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 Preprints, Working Papers, ... hal-00328163v1
	A CLT for Information-theoretic statistics of Gram random matrices with a given variance profile Walid Hachem , Philippe Loubaton , Jamal Najim 2007 Preprints, Working Papers, ... hal-00151136v1

Walid Hachem

Publications

Approximate Message Passing for sparse matrices with application to the equilibria of large ecological Lotka-Volterra systems

Complex systems in Ecology: A guided tour with large Lotka-Volterra models and random matrices

Stochastic Subgradient Descent Escapes Active Strict Saddles on Weakly Convex Functions

Spectral measures of empirical autocovariance matrices of high dimensional Gaussian stationary processes

Convergence of constant step stochastic gradient descent for non-smooth non-convex functions

Non-Hermitian random matrices with a variance profile (II): properties and examples

Stochastic optimization with momentum: convergence, fluctuations, and traps avoidance

A Fully Stochastic Primal-Dual Algorithm

Smallest singular value and limit eigenvalue distribution of a class of non-Hermitian random matrices with statistical application

Mutual Information of Wireless Channels and Block-Jacobi Ergodic Operators

Constant step stochastic approximations involving differential inclusions: stability, long-run convergence and applications

A constant step Forward-Backward algorithm involving random maximal monotone operators

Non-Hermitian random matrices with a variance profile (I): deterministic equivalents and limiting ESDs

Snake: a stochastic proximal gradient algorithm for regularized problems over large graphs

Large complex correlated Wishart matrices: the Pearcey kernel and expansion at the hard edge

Large Complex Correlated Wishart Matrices: Fluctuations and Asymptotic Independence at the Edges.

Explicit Convergence Rate of a Distributed Alternating Direction Method of Multipliers

Dynamical behavior of a stochastic forward-backward algorithm using random monotone operators

A Coordinate Descent Primal-Dual Algorithm and Application to Distributed Asynchronous Optimization

Estimation of Toeplitz Covariance Matrices in Large Dimensional Regime With Application to Source Detection

Analysis of the limiting spectral measure of large random matrices of the separable covariance type

A Survey on the Eigenvalues Local Behavior of Large Complex Correlated Wishart Matrices

The Shannon's mutual information of a multiple antenna time and frequency dependent channel: an ergodic operator approach

THE OUTLIERS AMONG THE SINGULAR VALUES OF LARGE RECTANGULAR RANDOM MATRICES WITH ADDITIVE FIXED RANK DEFORMATION

Statistical Inference in Large Antenna Arrays under Unknown Noise Pattern

A Subspace Estimator for Fixed Rank Perturbations of Large Random Matrices

Performance of a Distributed Stochastic Approximation Algorithm

On bilinear forms based on the resolvent of large random matrices

Analysis of Sum-Weight-like algorithms for averaging in Wireless Sensor Networks

Fluctuations of spiked random matrix models and failure diagnosis in sensor networks

Large information plus noise random matrix models and consistent subspace estimation in large sensor networks

A CLT for information-theoretic statistics of non-centered Gram random matrices

A CLT on the SNR of Diagonally Loaded MVDR Filters

Performance analysis over slow fading channels of a half-duplex single-relay protocol: Decode or Quantize and Forward

Randomized Isometric Linear Dispersion Space-Time Block Coding for the DF Relay Channel

Error Exponents for Neyman-Pearson Detection of a Continuous-Time Gaussian Markov Process From Regular or Irregular Samples

On the capacity achieving covariance matrix for Rician MIMO channels: an asymptotic approach

A New Approach for Mutual Information Analysis of Large Dimensional Multi-Antenna Channels

A CLT for Information-theoretic statistics of Gram random matrices with a given variance profile

Asymptotic Cramér-Rao Bounds and Training Design for Uplink MIMO-OFDMA Systems with Frequency Offsets

Asymptotic Analysis of Reduced-Rank Chip-Level MMSE Equalizers in the Downlink of CDMA Systems

Deterministic equivalents for certain functionals of large random matrices

The empirical distribution of the eigenvalues of a Gram matrix with a given variance profile

On the Asymptotic Distribution of the Correlation Receiver Output for Time-Hopped UWB Signals

The empirical eigenvalue distribution of a Gram matrix: From independence to stationarity

Asymptotic analysis of optimum and sub-optimum CDMA downlink MMSE receivers

MMSE analysis of certain large isometric random precoded systems

A MIMO channel blind identification algorithm in the presence of spatially correlated noise

Identification of certain Noisy MA Models : New Results

A Linear Complementarity Problem based on non-Symmetric Large Random Matrices

Les grandes matrices aléatoires : un aperçu historique

« Approximate Message Passing » et solutions de grands systèmes dynamiques écologiques de Lotka-Volterra

A whiteness test based on the spectral measure of large non-Hermitian random matrices

Mixed Delay Constraints on a Fading C-RAN Uplink

Information mutuelle de canaux radio et opérateurs de Jacobi ergodiques

A Constant Step Stochastic Douglas-Rachford Algorithm with Application to Non Separable Regularizations

Convergence d'un algorithme du gradient proximal stochastique à pas constant et généralisation aux opérateurs monotones aléatoires

Building Stochastic Optimization Algorithms with Random Monotone Operators

Two distributed algorithms for the deconvolution of large radio-interferometric multispectral images

Asymptotic analysis of linear spectral statistics of the sample coherence matrix

Correlation Test for High Dimensional Data with Application to Signal Detection in Distributed Sensor Networks

Estimation of Large Toeplitz Covariance Matrices and Application to Source Detection

Linear Convergence Rate for Distributed Optimization with the Alternating Direction Method of Multipliers

Asynchronous Distributed Optimization using a Randomized Alternating Direction Method of Multipliers

A new method for source detection, power estimation, and localization in large sensor networks under noise with unknown statistics

New broadcast based distributed averaging algorithm over wireless sensor networks

A new broadcast based averaging algorithm over wireless sensor networks

Estimation distribuée du maximum dans un réseau de capteurs

Asymptotic Analysis of a Consistent Subspace Estimator for Observations of Increasing Dimension

An Improved MUSIC Algorithm Based on Low Rank Perturbation of Large Random Matrices

On the Consistency of the G-MUSIC DoA Estimator

On the Fluctuations of the Mutual Information for the Non-Centered MIMO Channels: The Non-Gaussian Case

Distributed estimation of the maximum value over a wireless sensor network

Orthogonal Matrix Precoding for Relay Networks

On the fluctuations of the mutual information of large dimensional MIMO channels

Optimal reuse factor and resource allocation for OFDMA downlink with multicell interference

Outage Probability Optimization of Certain Wireless Relaying Protocols

High SNR approximations of the capacity of MIMO correlated Rician channels: a large system approach