101 citations · 376 across the 32 of their papers we have counts for
7 papers · 1 filter
RIS-aided Massive MIMO: Achieving Large Multiplexing Gains with non-Large Arrays
Stefano Buzzi, Carmen D'Andrea, Giovanni Interdonato
This paper considers an antenna structure where a (non-large) array of radiating elements is placed at short distance in front of a reconfigurable intelligent surface (RIS). We pro…
Beam Alignment in mmWave User-Centric Cell-Free Massive MIMO Systems
Stefano Buzzi, Carmen D'Andrea, Maria Fresia +1
The problem of beam alignment (BA) in a cell-free massive multiple-input multiple-output (CF-mMIMO) system operating at millimeter wave (mmWaves) carrier frequencies is considered…
User-centric Handover in mmWave Cell-Free Massive MIMO with User Mobility
Carmen D'Andrea, Giovanni Interdonato, Stefano Buzzi
The coupling between cell-free massive multiple-input multiple-output (MIMO) systems operating at millimeter-wave (mmWave) carrier frequencies and user mobility is considered in th…
Improving Cell-Free Massive MIMO by Local Per-Bit Soft Detection
Carmen D'Andrea, Erik G. Larsson
In this letter, we consider the uplink of a cell-free Massive multiple-input multiple-output (MIMO) network where each user is decoded by a subset of access points (APs). An additi…
RIS Configuration, Beamformer Design, and Power Control in Single-Cell and Multi-Cell Wireless Networks
Stefano Buzzi, Carmen D'Andrea, Alessio Zappone +3
Reconfigurable Intelligent Surfaces (RISs) are recently attracting a wide interest due to their capability of tuning wireless propagation environments in order to increase the syst…
User Association in Scalable Cell-Free Massive MIMO Systems
Carmen D'Andrea, Erik G. Larsson
In this work, we consider the uplink of a scalable cell-free massive MIMO system where the users are served only by a subset of access points (APs) in the network. The APs are phys…
The Ultimate Weapon for Ultra-Broadband 6G: Digital Beamforming and Doubly Massive mmWave MIMO
Bengt Lindoff, Carmen D'Andrea, Stefano Buzzi +2
The use of millimeter waves for wireless communications is one of the main technological innovations of 5G systems with respect to previous generations of cellular systems. Their c…