112 citations · 910 across the 35 of their papers we have counts for
40 papers
Three more Decades in Array Signal Processing Research: An Optimization and Structure Exploitation Perspective
Marius Pesavento, Minh Trinh-Hoang, Mats Viberg
The signal processing community currently witnesses the emergence of sensor array processing and Direction-of-Arrival (DoA) estimation in various modern applications, such as autom…
Decentralized Eigendecomposition for Online Learning over Graphs with Applications
Yufan Fan, Minh Trinh-Hoang, Cemil Emre Ardic +1
In this paper, the problem of decentralized eigenvalue decomposition of a general symmetric matrix that is important, e.g., in Principal Component Analysis, is studied, and a decen…
Coordinated Sum-Rate Maximization in Multicell MU-MIMO with Deep Unrolling
Lukas Schynol, Marius Pesavento
Coordinated weighted sum-rate maximization in multicell MIMO networks with intra- and intercell interference and local channel state at the base stations is recognized as an import…
Ambiguities in Direction-of-Arrival Estimation with Linear Arrays
Frederic Matter, Tobias Fischer, Marius Pesavento +1
In this paper, we present a novel approach to compute ambiguities in thinned uniform linear arrays, i.e., sparse non-uniform linear arrays, via a mixed-integer program. Ambiguities…
Extended Successive Convex Approximation for Phase Retrieval with Dictionary Learning
Tianyi Liu, Andreas M. Tillmann, Yang Yang +2
Phase retrieval aims at reconstructing unknown signals from magnitude measurements of linear mixtures. In this paper, we consider the phase retrieval with dictionary learning probl…
Recovery under Side Constraints
Khaled Ardah, Martin Haardt, Tianyi Liu +3
This paper addresses sparse signal reconstruction under various types of structural side constraints with applications in multi-antenna systems. Side constraints may result from pr…
Probability of Resolution of MUSIC and g-MUSIC: An Asymptotic Approach
David Schenck, Xavier Mestre, Marius Pesavento
In this article, the outlier production mechanism of the conventional Multiple Signal Classification (MUSIC) and the g-MUSIC Direction-of-Arrival (DoA) estimation technique is inve…
Coordinated Hybrid Precoding for Interference Exploitation in Heterogeneous Networks
Ganapati Hegde, Christos Masouros, Marius Pesavento
We consider a downlink multiuser massive MIMO system comprising multiple heterogeneous base stations with hybrid precoding architectures. To enhance the energy efficiency of the ne…
Inexact Block Coordinate Descent Algorithms for Nonsmooth Nonconvex Optimization
Yang Yang, Marius Pesavento, Zhi-Quan Luo +1
In this paper, we propose an inexact block coordinate descent algorithm for large-scale nonsmooth nonconvex optimization problems. At each iteration, a particular block variable is…
Iterative Marginal Maximum Likelihood DOD and DOA Estimation for MIMO Radar in the Presence of SIRP Clutter
Bruno Mériaux, Xin Zhang, Mohammed Nabil El Korso +1
The spherically invariant random process (SIRP) clutter model is commonly used in scenarios where the radar clutter cannot be correctly modeled as a Gaussian process. In this short…
Interference Exploitation-based Hybrid Precoding with Robustness Against Phase Errors
Ganapati Hegde, Christos Masouros, Marius Pesavento
Hybrid analog-digital precoding significantly reduces the hardware costs in massive MIMO transceivers when compared to fully-digital precoding at the expense of increased transmit…
Energy Consumption Optimization in Mobile Communication Networks
Florian Bahlke, Marius Pesavento
This work addresses the challenge of minimizing the energy consumption of a wireless communication network by joint optimization of the base station transmit power and the cell act…
Successive Convex Approximation Algorithms for Sparse Signal Estimation with Nonconvex Regularizations
Yang Yang, Marius Pesavento, Symeon Chatzinotas +1
In this paper, we propose a successive convex approximation framework for sparse optimization where the nonsmooth regularization function in the objective function is nonconvex and…
Joint Antenna Selection and Phase-Only Beamforming Using Mixed-Integer Nonlinear Programming
Tobias Fischer, Ganapati Hegde, Frederic Matter +3
In this paper, we consider the problem of joint antenna selection and analog beamformer design in downlink single-group multicast networks. Our objective is to reduce the hardware…
Energy efficiency optimization in MIMO interference channels: A successive pseudoconvex approximation approach
Yang Yang, Marius Pesavento, Symeon Chatzinotas +1
In this paper, we consider the (global and sum) energy efficiency optimization problem in downlink multi-input multi-output multi-cell systems, where all users suffer from multi-us…
Optimized Cell Planning for Network Slicing in Heterogeneous Wireless Communication Networks
Florian Bahlke, Oscar D. Ramos-Cantor, Steffen Henneberger +1
We propose a cell planning scheme to maximize the resource efficiency of a wireless communication network while considering quality-of-service requirements imposed by different mob…
A Parallel Best-Response Algorithm with Exact Line Search for Nonconvex Sparsity-Regularized Rank Minimization
Yang Yang, Marius Pesavento
In this paper, we propose a convergent parallel best-response algorithm with the exact line search for the nondifferentiable nonconvex sparsity-regularized rank minimization proble…
Partial Relaxation Approach: An Eigenvalue-Based DOA Estimator Framework
Minh Trinh-Hoang, Mats Viberg, Marius Pesavento
In this paper, the partial relaxation approach is introduced and applied to DOA estimation using spectral search. Unlike existing methods like Capon or MUSIC which can be considere…
Non-Coherent Direction-of-Arrival Estimation Using Partly Calibrated Arrays
Wassim Suleiman, Pouyan Parvazi, Marius Pesavento +1
In this paper, direction-of-arrival (DOA) estimation using non-coherent processing for partly calibrated arrays composed of multiple subarrays is considered. The subarrays are assu…
Block- and Rank-Sparse Recovery for Direction Finding in Partly Calibrated Arrays
Christian Steffens, Marius Pesavento
A sparse recovery approach for direction finding in partly calibrated arrays composed of subarrays with unknown displacements is introduced. The proposed method is based on mixed n…
Centralized Coordinated Scheduling in LTE-Advanced Networks
Oscar D. Ramos-Cantor, Jakob Belschner, Ganapati Hegde +1
This work addresses the problem associated with coordinating scheduling decisions among multiple base stations in an LTE-Advanced downlink network in order to manage inter-cell int…
Robust Calibration of Radio Interferometers in Non-Gaussian Environment
Virginie Ollier, Mohammed Nabil El Korso, Rémy Boyer +2
The development of new phased array systems in radio astronomy, as the low frequency array (LOFAR) and the square kilometre array (SKA), formed of a large number of small and flexi…
Learning Directed-Acyclic-Graphs from Large-Scale Genomics Data
Fabio Nikolay, Marius Pesavento, George Kritikos +1
In this paper we consider the problem of learning the genetic-interaction-map, i.e., the topology of a directed acyclic graph (DAG) of genetic interactions from noisy double knocko…
Parallel Calibration for Sensor Array Radio Interferometers
Martin Brossard, Mohammed Nabil El Korso, Marius Pesavento +3
In order to meet the theoretically achievable imaging performance, calibration of modern radio interferometers is a mandatory challenge, especially at low frequencies. In this pers…