What Is O-RAN?
RAN has D-RAN, X-RAN, C-RAN, and now O-RAN. RAN is the base station, which is the network. Before the advent of the 5G era, a base station (RAN) was composed of three parts, an antenna, RRU (remote radio unit), and BBU (baseband processing unit). RRU is used to transmit and receive signals, and BBU is […]