Remote radio head

In wireless system technologies such as GSM, CDMA, UMTS, LTE, 5G NR this radio equipment is remote to baseband units[1] such as BTS/NodeB/eNodeB/gNodeB or gNB.

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.

RRHs also have operation and management processing capabilities and a standardized optical interface to connect to the rest of the base station/baseband unit.

The use of FTTA will promote the separation of power and signal components from the base station and their relocation to the top of the tower mast in a Remote Radio Head (RRH).

There is also a change in electrical overstress exposure due to the relocation of the equipment from the base station to the top of the mast.