10 citations · 20 across the 9 of their papers we have counts for
9 papers
Hybrid-Field Channel Estimation for XL-MIMO Systems: Dictionary-based Sparse Signal Recovery
David William Marques Guerra, Taufik Abrao
Extremely large-scale multiple-input multiple-output (XL-MIMO) systems are a key technology for future wireless networks, but the large array aperture naturally creates a hybrid-fi…
Dual-Function Beam Pattern Design for Multi-Target ISAC Systems: A Decoupled Approach
Wilson de Souza Junior, Taufik Abrao, Amine Mezghani +1
We investigate the beampattern design problem for mono-static multi-user (MU) multi-point-target integrated sensing and communication (ISAC) systems, where a dual-function multiple…
Beamforming Control in RIS-Aided Wireless Communications: A Predictive Physics-Based Approach
Luis C. Mathias, Atefeh Termehchi, Taufik Abrão +1
Integrating reconfigurable intelligent surfaces (RIS) into wireless communication systems is a promising approach for enhancing coverage and data rates by intelligently redirecting…
Manifolds in Power Systems Optimization
Lucca Rodrigues Pinto, Wilson de Souza Junior, Jaime Laelson Jacob +2
Manifold optimization (MO) is a powerful mathematical framework that can be applied to solving complex optimization problems with objective functions (OFs) and constraints on compl…
Manifold-Based Optimizations for RIS-Aided Massive MIMO Systems
Wilson de Souza Junior, David William Marques Guerra, José Carlos Marinello +2
Manifold optimization (MO) is a powerful mathematical framework that can be applied to optimize functions over complex geometric structures, which is particularly useful in advance…
Energy-Efficient Active Element Selection in RIS-aided Massive MIMO Systems
Wilson Souza, José Carlos Marinello, Taufik Abrão
This chapter delves into the critical aspects of optimizing energy efficiency (EE) in active reconfigurable intelligent surface (RIS)-assisted massive MIMO (M-MIMO) wireless commun…
Assessing the Potential of Space-Time-Coding Metasurfaces for Sensing and Localization
Herman L. dos Santos, Martin Voigt Vejling, Taufik Abrão +1
Intelligent metasurfaces are one of the favorite technologies for integrating sixth-generation (6G) networks, especially the reconfigurable intelligent surface (RIS) that has been…
Energy Efficiency Maximization for Intelligent Surfaces Aided Massive MIMO with Zero
Wilson de Souza Junior, Taufik Abrao
In this work, we address the energy efficiency (EE) maximization problem in a downlink communication system utilizing reconfigurable intelligent surface (RIS) in a multi-user massi…
Reconfigurable Intelligent Surfaces-Enabled Intra-Cell Pilot Reuse in Massive MIMO Systems
Jose Carlos Marinello Filho, Taufik Abrao, Ekram Hossain +1
Channel state information (CSI) estimation is a critical issue in the design of modern massive multiple-input multiple-output (mMIMO) networks. With the increasing number of users,…