Fifth generation (5G) mobile communication systems have entered the stage of commercial
deployment, providing users with new services, improved user experiences as well as a host …

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 …

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 …

Terahertz (THz)-band communications are a key enabler for future-generation wireless
communication systems that promise to integrate a wide range of data-demanding …

Reconfigurable intelligent surface (RIS) is a promising device that can reconfigure the
electromagnetic propagation environment through adjustment of the phase shifts of its …

For millimeter wave (mmWave) massive multiple-input multiple-output (MIMO) systems,
hybrid processing architecture is usually used to reduce the complexity and cost, which …

Massive multiple-input multiple-output (MIMO) is a promising technology to increase link
capacity and energy efficiency. However, these benefits are based on available channel …

The combination of large bandwidth at terahertz (THz) and the large number of antennas in
massive MIMO results in the non-negligible spatial wideband effect in time domain or the …

Wideband extremely large-scale multiple-input-multiple-output (XL-MIMO) plays an
important role in boosting the data rate for 6G networks. Because of the huge bandwidth and …