Radio Unit, RU / RRU: The radio unit is also often referred to the RRU- Remote Radio Unit, RFU - Radio Frequency Unit, or the RFH - Radio Frequency Head, but despite the different names they all refer to the same element. As the name indicates, it contains the radio. What is Base Station? What is Base Station? A base station represents an access point for a wireless device to communicate within its coverage area. It usually connects the device to other networks or devices through a dedicated high bandwidth wire of fiber optic connection. " A base station is called node B in 3G, eNB in LTE (4G), and gNB in 5G. In the 4G era, the main hardware components were the BBU (baseband processing unit). A 28. 5 meter parabolic satellite communications antenna at Erdfunkstelle Raisting (Raisting Earth Station), Bavaria, Germany, the biggest facility for satellite communication in the world. ① 2G The 2G communication system adopts a three-level network architecture, namely: BTS-BSC-core network.
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