Towards a fully connected intelligent digital world, 5G and beyond networks experience a
new era of Internet of intelligence with connected people and things. This new era brings …

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 …

Cell-free Massive MIMO is considered as a promising technology for satisfying the
increasing number of users and high rate expectations in beyond-5G networks. The key idea …

Space-air-ground integrated network (SAGIN), as an integration of satellite systems, aerial
networks, and terrestrial communications, has been becoming an emerging architecture and …

Cell-free (CF) massive multiple-input-multiple-output (MIMO) systems have a large number
of individually controllable antennas distributed over a wide area for simultaneously serving …

Massive multiple-input multiple-output (MIMO) is one of the most promising technologies for
the next generation of wireless communication networks because it has the potential to …

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 …

There is considerable pressure to define the key requirements of 5G, develop 5G standards,
and perform technology trials as quickly as possible. Normally, these activities are best done …

Since the first cellular networks were trialled in the 1970s, we have witnessed an incredible
wireless revolution. From 1G to 4G, the massive traffic growth has been managed by a …

A Cell-Free Massive MIMO (multiple-input multiple-output) system comprises a very large
number of distributed access points (APs), which simultaneously serve a much smaller …