Massive MIMO (mMIMO) communication systems are recognized as key enablers of next-
generation wireless networks. However, the orthogonal pilot assignments typical of multiple …

Distributed or Cell-free (CF) massive Multiple-Input, Multiple-Output (mMIMO), has been
recently proposed as an answer to the limitations of the current network-centric systems in …

Thanks to its capability to provide a uniform service rate for the User Equipments (UEs), Cell-
free (CF) massive Multiple-Input, Multiple-Output (mMIMO), has recently attracted …

We propose a novel matching-based pilot assignment scheme to reduce the pilot
contamination effect in cell-free massive multiple-input-multiple-output (MIMO) systems with …

In massive multiple-input multiple-output (MIMO) systems, the effect of inter-user interference
and noise can be suppressed through simple signal processing techniques. However, pilot …

We propose a location-aware pilot allocation algorithm for a massive multiple-input multiple-
output (MIMO) network with high-mobility users, where the wireless channels are subject to …

In this paper, an effective pilot assignment algorithm is proposed to counter the pilot
contamination (PC) issue caused by limited pilot sequences during massive access in a …

In this letter, we study the pilot assignment scheme in the uplink cell-free massive multiple-
input multiple-output system. To accurately depict the potential co-pilot interference (CPI) …

This paper considers pilot design to mitigate pilot contamination and provide good service
for everyone in multi-cell massive multiple-input-multiple-output systems. Instead of …

The aim of this thesis is to exploit the spatial correlation on wireless channels to improve
spectral efficiency and reduce the overhead on the communication link of massive multiple …