Reconfigurable intelligent surface (RIS) can be employed in a cell-free system to create
favorable propagation conditions from base stations (BSs) to users via configurable …

Mobile communication technologies are tremendously grown in the last few years. With the
advent of the fifth generation of wireless networks, and with millions of base stations and …

This paper investigates the effect of hardware impairments on the achievable performance
of cell-free (CF) massive multiple-input multiple-output (MIMO) systems with four low …

This work investigates the energy-efficient resource allocation for layered-division
multiplexing (LDM) based non-orthogonal multicast and unicast transmission in cell-free …

This paper investigates the energy efficient downlink transmission in distributed massive
multiple-input-multiple-output systems, where massive antennas are clustered on …

Due to the ability of feature extraction, deep learning (DL)-based methods have been
recently applied to channel state information (CSI) compression feedback in massive …

In this paper, the secrecy energy efficiency (SEE) optimization problem is studied in multi-
user multi-eavesdropper cell-free massive multiple-input multiple-output (CF-mMIMO) …

Cell-free massive multiple-input multiple-output (MIMO) networks, where a massive number
of geographically distributed access points cooperate to jointly serve the users, have been …

Preamble collision is a bottleneck that impairs the performance of random access (RA) user
equipment (UE) in grant-free RA (GFRA). In this paper, by leveraging distributed massive …

In this paper we consider a time-division duplex cell-free massive multiple-input multiple-
output (MIMO) system where many distributed access points (APs) simultaneously serve …