RAN stands for Radio Access Network, a part of the wireless communication system that runs behind the scenes of mobile phone services. An intermediary for mobile phone services A RAN organizes communication data received from smartphones a…

Quasi-Zenith Satellite System (QZSS) is a system of Japan-developed satellites that stay in orbit over specified areas for extended periods of time, unlike other satellites that orbit the Earth. High-precision positioning information can b…

“Millimeter wave” refers to radio waves with wavelengths of 1 to 10 millimeters and frequency between 30 to 300 gigahertz that can be used for high-speed communications. Millimeter wave: a radio wave suitable for 5G’s high-speed, high-volu…