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 …

Sixth-generation (6G) mobile communication networks are expected to have dense
infrastructures, large antenna size, wide bandwidth, cost-effective hardware, diversified …

Terahertz (0.1-10 THz) communications are envisioned as a key technology for sixth
generation (6G) wireless systems. The study of underlying THz wireless propagation …

In this paper, a pervasive wireless channel modeling theory is first proposed, which uses a
unified channel modeling method and a unified equation of channel impulse response …

Wireless communications with extremely large-scale array (XL-array) correspond to systems
whose antenna sizes are so large that conventional modeling assumptions, such as uniform …

As the fifth-generation (5G) wireless communication networks are at the stage of commercial
deployment, beyond 5G (B5G)/sixth-generation (6G) wireless communication networks have …

Unmanned aerial vehicle (UAV)-to-ground (U2G) channel models play a pivotal role in
reliable communications between UAV and ground terminal. This paper proposes a three …

The Korean Institute of Communications and Information Sciences (KICS), which is the
largest information and communication technology institute in Korea, has been active in …

With the introduction of new technologies such as Unmanned Aerial Vehicle (UAV), High
Altitude Platform Station (HAPS), Millimeter Wave (mmWave) frequencies, Massive Multiple …