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A base transceiver station (BTS) or a baseband unit [1] (BBU) is a piece of equipment that facilitates wireless communication between user equipment (UE) and a network. UEs are devices like mobile phones (handsets), WLL phones, computers with wireless Internet connectivity, or antennas mounted on buildings or telecommunication towers.
Base station architecture evolved from all-in-one base stations, through Base-Band Units (BBUs) and Remote Radio Heads (RRH), to C-RAN architectures where equipment located at the cell sites Remote Unit (RU) or RU + Distributed Unit (DU) connects via fronthaul network to centralized baseband locations – Central Unit (CU).
In this architecture the radio function unit, also known as the remote radio head , is separated from the digital function unit, or baseband unit (BBU) by fiber. Digital baseband signals are carried over fiber, using the Open Base Station Architecture Initiative or Common Public Radio Interface standard. The RRH can be installed on the top of ...
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This equipment is used to extend the coverage of a baseband unit in challenging environments such as rural areas or tunnels. RRHs are generally connected to the baseband unit or base station which can be an x86 server [ 2 ] on the ground near a cell tower, via a fiber optic cable using Common Public Radio Interface protocols.
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This template places a location mark on a map. Template parameters Parameter Description Type Status Map name(s) 1 The name of the map to be used; multiple maps can be provided as a list separated by "#". String required Map width width Determines the width of the map in pixels, overriding any default values; do not include "px". For example, use "width=300", not "width=300px". Number optional ...