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 …

Given the increasing number of space-related applications, research in the emerging space
industry is becoming more and more attractive. One compelling area of current space …

The use of unmanned aerial systems (UASs), which are also known as unmanned aerial
vehicles, and by the term “drones” in the popular press, is growing rapidly. To ensure safety …

The space environment is still challenging but is becoming more and more attractive for an
increasing number of entities. In the second half of the 20th century, a huge amount of funds …

Use of unmanned aircraft systems (UASs) for multiple applications is expected to grow
dramatically in the coming decades; this fact has motivated this paper's focus on …

This paper deals with the problem of precoding, scheduling, and link adaptation in next
generation mobile interactive multibeam satellite systems. In contrast to the fixed satellite …

It is common to use channel models such as the 3GPP spatial channel model (SCM), the
WINNER model or ray tracing to evaluate multiple-antenna multiple-user techniques in …

Sixth-generation (6G) communication networks will fulfill users' requests for high data
speeds and low latency without causing network outages throughout the world. However …

For the terrestrial infrastructure, the multiple-input multiple-output (MIMO) architecture is a
key technology that has brought the wireless gigabit vision closer to reality. Satellite …

This paper presents the postprocessing results of a dual-polarized multiple-input-multiple-
output (MIMO) channel measurement campaign, investigating two land mobile satellite link …