What will the future of UAV cellular communications be? In this tutorial article, we address
such a compelling yet difficult question by embarking on a journey from 5G to 6G and …

The purpose of this paper is to bestow the reader with a timely study of UAV cellular
communications, bridging the gap between the 3GPP standardization status quo and the …

Artificial Intelligence (AI) and Machine Learning (ML) are envisaged to play key roles in 5G
networks. Efficient radio resource management is of paramount importance for network …

In this article, we provide a much-needed study of UAV cellular communications, focusing on
the rates achievable for the UAV downlink command and control (C&C) channel. For this key …

In multi-antenna systems, advanced techniques such as massive multiple-input multiple-
output (MIMO), beamforming, and beam selection depend heavily on the accurate …

In this paper, we focus on one of the key technologies for the fifth-generation wireless
communication networks, massive multiple-input-multiple-output (mMIMO), by investigating …

Beyond 5G mobile networks have to support a wide range of performance requirements and
unprecedented levels of flexibility. To this end, massive MIMO is a critical technology to …

The ever-growing data rate demand from cellular users increases the associated power
consumption that directly contributes to the global warming of the environment. Also …

In rectangularly-pulsed orthogonal frequency division multiplexing (OFDM) systems,
constant-amplitude (CA) sequences are desirable to construct preamble/pilot waveforms to …

When a vehicle moves from one base station (BS) to another, a large number of on-board
user equipments (UE) may simultaneously and individually perform a handover (HO) …