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Technology evolves at a rapid-fire pace. That’s why we’ve built an easy-to-use glossary to help you better understand the terms, technologies and trends that impact your business.

Radio Access Network

Radio access network: the part of a telecommunications system that implements a radio technology (e.g. UTRA, Evolved UTRA, CDMA2000, DECT, GERAN) to access the Core Network. The radio access network conceptually resides between user equipment (i.e. mobile phones and other devices) and the Core Network.

In a centralized, cooperative, or cloud radio access network (C-RAN), the base transceiver station (or eNodeB) functionality can be subdivided between a base band unit (BBU) processing pool and a remote radio unit (RRU) or a remote radio head (RRH) with optical fiber connecting the BBU to the RRU.