Extremely large-scale multiple-input multiple-output (XL-MIMO) is a promising technology for
the sixth-generation (6G) mobile communication networks. By significantly boosting the …

The field of wireless communication networks has witnessed a dramatic change over the last
decade due to sophisticated technologies deployed to satisfy various demands peculiar to …

Mobile communications have been undergoing a generational change every ten years or
so. However, the time difference between the so-called “G's” is also decreasing. While fifth …

Multiple antenna technologies have attracted much research interest for several decades
and have gradually made their way into mainstream communication systems. Two main …

Massive MIMO, a key technology for increasing area spectral efficiency in cellular systems,
was developed assuming moderately sized apertures. In this article, we argue that massive …

Extremely large-scale massive multiple-input multiple-output has shown considerable
potential in future mobile communications. However, the use of extremely large aperture …

Multiple-antenna technologies are evolving towards large-scale aperture sizes, extremely
high frequencies, and innovative antenna types. This evolution is giving rise to the …

We consider the recently proposed extra-large scale massive multiple-input multiple-output
(XL-MIMO) systems, with some hundreds of antennas serving a smaller number of users …

The high mobility, density and multi-path evident in modern wireless systems makes the
channel highly non-stationary. This causes temporal variation in the channel distribution that …

Extremely large-scale multiple-input multiple-output (XL-MIMO) is capable of supporting
extremely high system capacities with large numbers of users. In this work, we build a …