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Walid Hachem
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2020 – today
- 2024
- [j35]Pascal Bianchi, Walid Hachem
, Sholom Schechtman
Stochastic Subgradient Descent Escapes Active Strict Saddles on Weakly Convex Functions. Math. Oper. Res. 49(3): 1761-1790 (2024) - 2021
- [j34]Pascal Bianchi, Walid Hachem, Adil Salim
A fully stochastic primal-dual algorithm. Optim. Lett. 15(2): 701-710 (2021) - 2020
- [j33]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: 104623 (2020) - [c39]Arup Bose, Walid Hachem:
A Whiteness Test Based on the Spectral Measure of Large Non-Hermitian Random Matrices. ICASSP 2020: 8768-8771 - [i22]Pascal Bianchi, Walid Hachem, Sholom Schechtman:
Convergence of constant step stochastic gradient descent for non-smooth non-convex functions. CoRR abs/2005.08513 (2020)
2010 – 2019
- 2019
- [j32]Adil Salim
Snake: A Stochastic Proximal Gradient Algorithm for Regularized Problems Over Large Graphs. IEEE Trans. Autom. Control. 64(5): 1832-1847 (2019) - [j31]Walid Hachem
Mutual Information of Wireless Channels and Block-Jacobi Ergodic Operators. IEEE Trans. Inf. Theory 65(11): 7149-7167 (2019) - [c38]Homa Nikbakht, Michèle A. Wigger, Walid Hachem, Shlomo Shamai Shitz:
Mixed Delay Constraints on a Fading C-RAN Uplink. ITW 2019: 1-5 - 2018
- [c37]Adil Salim, Pascal Bianchi, Walid Hachem:
A Constant Step Stochastic Douglas-Rachford Algorithm with Application to non Separable Regularizations. ICASSP 2018: 2886-2890 - [i21]Walid Hachem, Adrien Hardy, Shlomo Shamai:
Mutual Information of Wireless Channels and Block-Jacobi Ergodic Operators. CoRR abs/1811.04734 (2018) - 2017
- [i20]Adil Salim, Pascal Bianchi, Walid Hachem:
Snake: a Stochastic Proximal Gradient Algorithm for Regularized Problems over Large Graphs. CoRR abs/1712.07027 (2017) - 2016
- [j30]Pascal Bianchi, Walid Hachem
Dynamical Behavior of a Stochastic Forward-Backward Algorithm Using Random Monotone Operators. J. Optim. Theory Appl. 171(1): 90-120 (2016) - [j29]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): 892-904 (2016) - [j28]Pascal Bianchi, Walid Hachem, Franck Iutzeler:
A Coordinate Descent Primal-Dual Algorithm and Application to Distributed Asynchronous Optimization. IEEE Trans. Autom. Control. 61(10): 2947-2957 (2016) - [c36]Adil Salim, Pascal Bianchi, Walid Hachem, Jérémie Jakubowicz:
A stochastic proximal point algorithm for total variation regularization over large scale graphs. CDC 2016: 4490-4495 - [c35]Celine Meillier, Pascal Bianchi, Walid Hachem:
Two distributed algorithms for the deconvolution of large radio-interferometric multispectral images. EUSIPCO 2016: 728-732 - [c34]Walid Hachem, Aris L. Moustakas, Leonid A. Pastur:
Time and frequency selective Ricean MIMO capacity: An ergodic operator approach. ISIT 2016: 2159-2163 - 2015
- [j27]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): 4903-4913 (2015) - [c33]Xavier Mestre, Pascal Vallet, Walid Hachem:
Asymptotic analysis of linear spectral statistics of the sample coherence matrix. ICASSP 2015: 5679-5683 - [i19]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 abs/1504.00847 (2015) - 2014
- [c32]Pascal Bianchi, Walid Hachem:
A primal-dual algorithm for distributed optimization. CDC 2014: 4240-4245 - [c31]Franck Iutzeler, Pascal Bianchi, Philippe Ciblat, Walid Hachem:
Linear convergence rate for distributed optimization with the alternating direction method of multipliers. CDC 2014: 5046-5051 - [c30]Julia Vinogradova, Romain Couillet, Walid Hachem:
Estimation of large toeplitz covariance matrices and application to source detection. EUSIPCO 2014: 2120-2124 - [c29]Xavier Mestre, Pascal Vallet, Walid Hachem:
Correlation test for high dimensional data with application to signal detection in sensor networks. EUSIPCO 2014: 2165-2169 - [c28]Pascal Bianchi, Walid Hachem, Franck Iutzeler:
A stochastic primal-dual algorithm for distributed asynchronous composite optimization. GlobalSIP 2014: 732-736 - [c27]Pascal Bianchi, Walid Hachem, Franck Iutzeler:
A stochastic coordinate descent primal-dual algorithm and applications. MLSP 2014: 1-6 - [i18]Julia Vinogradova, Romain Couillet, Walid Hachem:
Estimation of Toeplitz Covariance Matrices in Large Dimensional Regime with Application to Source Detection. CoRR abs/1403.1243 (2014) - [i17]Pascal Bianchi, Walid Hachem, Franck Iutzeler:
A Stochastic Coordinate Descent Primal-Dual Algorithm and Applications to Large-Scale Composite Optimization. CoRR abs/1407.0898 (2014) - 2013
- [j26]Walid Hachem, Philippe Loubaton, Xavier Mestre
A subspace estimator for fixed rank perturbations of large random matrices. J. Multivar. Anal. 114: 427-447 (2013) - [j25]Romain Couillet, Walid Hachem:
Fluctuations of Spiked Random Matrix Models and Failure Diagnosis in Sensor Networks. IEEE Trans. Inf. Theory 59(1): 509-525 (2013) - [j24]Pascal Bianchi, Gersende Fort
Performance of a Distributed Stochastic Approximation Algorithm. IEEE Trans. Inf. Theory 59(11): 7405-7418 (2013) - [j23]Franck Iutzeler, Philippe Ciblat, Walid Hachem:
Analysis of Sum-Weight-Like Algorithms for Averaging in Wireless Sensor Networks. IEEE Trans. Signal Process. 61(11): 2802-2814 (2013) - [j22]Julia Vinogradova, Romain Couillet, Walid Hachem:
Statistical Inference in Large Antenna Arrays Under Unknown Noise Pattern. IEEE Trans. Signal Process. 61(22): 5633-5645 (2013) - [c26]Franck Iutzeler, Pascal Bianchi, Philippe Ciblat, Walid Hachem:
Asynchronous distributed optimization using a randomized alternating direction method of multipliers. CDC 2013: 3671-3676 - [c25]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: 3943-3946 - [i16]Julia Vinogradova, Romain Couillet, Walid Hachem:
Statistical Inference in Large Antenna Arrays under Unknown Noise Pattern. CoRR abs/1301.0306 (2013) - [i15]Franck Iutzeler, Pascal Bianchi, Philippe Ciblat, Walid Hachem:
Asynchronous Distributed Optimization using a Randomized Alternating Direction Method of Multipliers. CoRR abs/1303.2837 (2013) - [i14]Franck Iutzeler, Pascal Bianchi, Philippe Ciblat, Walid Hachem:
Explicit Convergence Rate of a Distributed Alternating Direction Method of Multipliers. CoRR abs/1312.1085 (2013) - 2012
- [j21]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): 2009-2016 (2012) - [j20]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): 426-442 (2012) - [j19]Francisco Rubio, Xavier Mestre
A CLT on the SNR of Diagonally Loaded MVDR Filters. IEEE Trans. Signal Process. 60(8): 4178-4195 (2012) - [c24]Franck Iutzeler, Philippe Ciblat, Walid Hachem, Jérémie Jakubowicz:
New broadcast based distributed averaging algorithm over wireless sensor networks. ICASSP 2012: 3117-3120 - [i13]Pascal Bianchi, Gersende Fort
Performance of a Distributed Stochastic Approximation Algorithm. CoRR abs/1203.1505 (2012) - [i12]Francisco Rubio, Xavier Mestre, Walid Hachem:
A CLT on the SNR of Diagonally Loaded MVDR Filters. CoRR abs/1207.6313 (2012) - [i11]Franck Iutzeler, Philippe Ciblat, Walid Hachem:
Analysis of Sum-Weight-like algorithms for averaging in Wireless Sensor Networks. CoRR abs/1209.5912 (2012) - 2011
- [j18]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): 3899-3914 (2011) - [c23]Franck Iutzeler, Jérémie Jakubowicz, Walid Hachem, Philippe Ciblat:
Distributed estimation of the maximum value over a Wireless Sensor Network. ACSCC 2011: 62-66 - [c22]Romain Couillet, Walid Hachem:
Local failure localization in large sensor networks. ACSCC 2011: 1970-1974 - [c21]Pascal Bianchi, Gersende Fort, Walid Hachem, Jérémie Jakubowicz:
Performance analysis of a distributed Robbins-Monro algorithm for sensor networks. EUSIPCO 2011: 1030-1034 - [c20]Francisco Rubio, Xavier Mestre, Walid Hachem:
A CLT on the SINR of the diagonally loaded Capon/MVDR beamformer. ICASSP 2011: 2644-2647 - [c19]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: 3764-3767 - [i10]Romain Couillet, Walid Hachem:
Local failure detection and diagnosis in large sensor networks. CoRR abs/1107.1409 (2011) - 2010
- [j17]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): 1048-1069 (2010) - [j16]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): 720-734 (2010) - [j15]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): 735-749 (2010) - [j14]Michel Nahas, Ahmed Saadani, Walid Hachem:
Performance of asynchronous two-relay two-hop wireless cooperative networks. IEEE Trans. Wirel. Commun. 9(3): 1086-1096 (2010) - [c18]Michel Nahas, Ahmed Saadani, Walid Hachem:
Outage probability and power optimization for asynchronous cooperative networks. ICT 2010: 153-159
2000 – 2009
- 2009
- [j13]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): 4386-4397 (2009) - [j12]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): 5048-5063 (2009) - [j11]Walid Hachem, Pascal Bianchi, Philippe Ciblat:
Outage Probability-Based Power and Time Optimization for Relay Networks. IEEE Trans. Signal Process. 57(2): 764-782 (2009) - [c17]Michel Nahas, Ahmed Saadani, Walid Hachem:
Performance of Asynchronous Amplify-and-Forward Cooperative Relay Networks. GLOBECOM 2009: 1-6 - [c16]Walid Hachem, Eric Moulines, Jamal Najim, François Roueff:
On the error exponents for detecting randomly sampled noisy diffusion processes. ICASSP 2009: 2169-2172 - [c15]Eric A. Bouton, Nassar Ksairi, Philippe Ciblat, Pascal Bianchi, Walid Hachem:
On the Outage Probability Optimization in MISO Rician Channels. WiMob 2009: 301-306 - [i9]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 abs/0908.4208 (2009) - [i8]Walid Hachem, Eric Moulines, François Roueff:
Error exponents for Neyman-Pearson detection of a continuous-time Gaussian Markov process from noisy irregular samples. CoRR abs/0909.4484 (2009) - 2008
- [j10]Walid Hachem, Oleksiy Khorunzhiy, Philippe Loubaton, Jamal Najim
A New Approach for Mutual Information Analysis of Large Dimensional Multi-Antenna Channels. IEEE Trans. Inf. Theory 54(9): 3987-4004 (2008) - [c14]Walid Hachem, Pascal Bianchi, Philippe Ciblat:
Outage probability optimization of certain wireless relaying protocols. ITW 2008: 129-133 - [c13]Walid Hachem, Philippe Loubaton, Jamal Najim:
On the fluctuations of the mutual information of large dimensional MIMO channels. ITW 2008: 436-439 - [c12]Michel Nahas, Ahmed Saadani, Walid Hachem:
On the Outage Probability of Asynchronous Wireless Cooperative Networks. VTC Fall 2008: 1-5 - [i7]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 abs/0801.1736 (2008) - [i6]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 abs/0810.1808 (2008) - [i5]Abla Kammoun, Malika Kharouf, Walid Hachem, Jamal Najim:
BER and Outage Probability Approximations for LMMSE Detectors on Correlated MIMO Channels. CoRR abs/0810.2924 (2008) - [i4]Nassar Ksairi, Pascal Bianchi, Philippe Ciblat, Walid Hachem:
Resource Allocation for Downlink Cellular OFDMA Systems: Part I - Optimal Allocation. CoRR abs/0811.1108 (2008) - [i3]Nassar Ksairi, Pascal Bianchi, Philippe Ciblat, Walid Hachem:
Resource Allocation for Downlink Cellular OFDMA Systems: Part II - Asymptotic Analysis and Applications. CoRR abs/0811.1112 (2008) - 2007
- [j9]Sophie Gault, Walid Hachem, Philippe Ciblat:
Performance Analysis of an OFDMA Transmission System in a Multicell Environment. IEEE Trans. Commun. 55(4): 740-751 (2007) - [j8]Belkacem Mouhouche
Asymptotic Analysis of Reduced-Rank Chip-Level MMSE Equalizers in the Downlink of CDMA Systems. IEEE Trans. Signal Process. 55(6-2): 3048-3060 (2007) - [j7]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): 3606-3622 (2007) - [c11]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: 536-540 - [i2]Julien Dumont, Walid Hachem, Samson Lasaulce, Philippe Loubaton, Jamal Najim
On the capacity achieving covariance matrix for Rician MIMO channels: an asymptotic approach. CoRR abs/0710.4051 (2007) - 2006
- [j6]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): 1875-1885 (2006) - [j5]Jocelyn Fiorina, Walid Hachem:
On the asymptotic distribution of the correlation receiver output for time-hopped UWB signals. IEEE Trans. Signal Process. 54(7): 2529-2545 (2006) - [c10]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: 1-5 - [i1]Walid Hachem, Oleksiy Khorunzhiy, Philippe Loubaton, Jamal Najim, Leonid Pastur:
A New Approach for Capacity Analysis of Large Dimensional Multi-Antenna Channels. CoRR abs/cs/0612076 (2006) - 2005
- [c9]Jocelyn Fiorina, Walid Hachem:
Trade-off between repetition factor and frame length in Time-Hopping Impulse Radio Ultra Wide Band. PIMRC 2005: 457-460 - 2004
- [j4]Walid Hachem:
Simple polynomial detectors for CDMA downlink transmissions on frequency-selective channels. IEEE Trans. Inf. Theory 50(1): 164-171 (2004) - [j3]Jean-Marie Chaufray, Walid Hachem, Philippe Loubaton:
Asymptotic analysis of optimum and suboptimum CDMA downlink MMSE receivers. IEEE Trans. Inf. Theory 50(11): 2620-2638 (2004) - [c8]Armelle Wautier, Saloua Ammari, Walid Hachem:
Low complexity linear detection for asynchronous CDMA signals over frequency selective channels. EUSIPCO 2004: 181-184 - [c7]Belkacem Mouhouche, Philippe Loubaton, Walid Hachem, Nicolas Ibrahim:
Asymptotic analysis of reduced rank downlink CDMA Wiener receivers. EUSIPCO 2004: 201-204 - [c6]Sophie Gault, Walid Hachem, Philippe Ciblat:
Cramer-Rao bounds for data-aided sampling clock offset and channel estimation. ICASSP (4) 2004: 1029-1032 - 2003
- [j2]Mérouane Debbah, Walid Hachem, Philippe Loubaton, Marc de Courville:
MMSE analysis of certain large isometric random precoded systems. IEEE Trans. Inf. Theory 49(5): 1293-1311 (2003) - [c5]Jean-Marie Chaufray, Philippe Loubaton, Walid Hachem:
Asymptotic analysis of optimum and sub-optimum CDMA downlink MMSE receivers. ISSPA (1) 2003: 493-496 - [c4]Philippe Loubaton, Walid Hachem:
Asymptotic analysis of reduced rank Wiener filters. ITW 2003: 328-331 - 2002
- [j1]Walid Hachem, François Desbouvries, Philippe Loubaton:
MIMO channel blind identification in the presence of spatially correlated noise. IEEE Trans. Signal Process. 50(3): 651-661 (2002) - 2001
- [c3]Walid Hachem, Philippe Loubaton, Sylvie Marcos, R. Samy:
Multiple access communication over the power line channel: a CDMA approach. GLOBECOM 2001: 420-424 - [c2]Mérouane Debbah, Walid Hachem, Philippe Loubaton, Marc de Courville:
MMSE analysis of certain large isometric random precoded systems. ITW 2001: 158-160 - 2000
- [c1]Walid Hachem, François Desbouvries, Philippe Loubaton:
Blind channel estimation for CDMA systems: an induced cyclostationarity approach. ICASSP 2000: 2477-2480
Coauthor Index
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