The commercial fifth-generation (5G) wireless communications networks have already been
deployed with the aim of providing high data rates. However, the rapid growth in the number …

A High Altitude Platform Station (HAPS) is a network node that operates in the stratosphere
at an of altitude around 20 km and is instrumental for providing communication services …

In recent years, there has been a dramatic increase in the use of unmanned aerial vehicles
(UAVs), particularly for small UAVs, due to their affordable prices, wide availability, and …

Owing to the explosive growth of requirements of rapid emergency communication response
and accurate observation services, airborne communication networks (ACNs) have received …

Electrification turned over a new leaf in aviation by introducing new types of aerial vehicles
along with new means of transportation. Addressing a plethora of use cases, drones are …

This paper provides an up-to-date review of wireless communications service provisioning
from High-Altitude Platforms (HAPs) in rural or remote areas exploiting cellular radio …

This article presents an overview of optical wireless (OW) communication systems that
operate both in the short-(personal and indoor systems) and the long-range (outdoor and …

An empirical propagation prediction model is described for mobile communications from
high altitude platforms (HAPs) in different types of built-up areas. The model introduced here …

The demand for high-capacity wireless services is bringing increasing challenges,
especially for delivery of the “last mile”. Terrestrially, the need for line-of-sight propagation …

This article is a survey on communication aspects of High Altitude Platforms (HAPs), namely
airships or aircraft positioned in the stratosphere between 17 and 22 km. HAPs can be …