In the past as well as present wireless communication systems, the wireless propagation
environment is regarded as an uncontrollable black box that impairs the received signal …

Mathematical optimization is now widely regarded as an indispensable modeling and
solution tool for the design of wireless communications systems. While optimization has …

In this paper, an intelligent reflecting surface (IRS) is leveraged to enhance the physical
layer security of an integrated sensing and communication (ISAC) system in which the IRS is …

The emergence of reconfigurable intelligent surfaces (RISs) enables us to establish
programmable radio wave propagation that caters for wireless communications, via …

Massive multiple-input multiple-output (MIMO) is playing a crucial role in the fifth generation
(5G) and beyond 5G (B5G) communication systems. Unfortunately, the complexity of …

The deployment of large-scale antenna arrays for cellular base stations (BSs), called
massive MIMO, has been a key enabler for meeting the ever increasing capacity …

Massive multiple-input multiple-output (MIMO) is promising for low earth orbit (LEO) satellite
communications due to the potential in enhancing the spectral efficiency. However, the …

Extremely large-scale antenna arrays (ELAA) play a critical role in enabling the
functionalities of next generation wireless communication systems. However, as the number …

We consider the downlink of a massive multiuser (MU) multiple-input multiple-output (MIMO)
system in which the base station (BS) is equipped with low-resolution digital-to-analog …

This paper considers an unmanned-aerial-vehicle-enabled (UAV-enabled) wireless network
where a relay UAV is used for two-way communications between a ground base station (BS) …