What is the eNodeB ?

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Hello, Al_amery.
Evolved Node B (eNB), short for evolved NodeB, is the name of a base station in LTE. Compared with the NodeB in the existing 3G network, the eNB integrates some functions of the RNC and reduces the protocol layers during communication.
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“E-UTRAN Node B, also known as Evolved Node B, (abbreviated as eNodeB or eNB) is the element in E-UTRA of LTE that is the evolution of the element Node B in UTRA of UMTS. It is the hardware that is connected to the mobile phone network that communicates directly wirelessly with mobile handsets (UEs), like a base transceiver station (BTS) in GSM networks.
Traditionally, a Node B has minimum functionality, and is controlled by a Radio Network Controller (RNC). However, with an eNB, there is no separate controller element. This simplifies the architecture and allows lower response times.”

Practical Implementations of eNodeB
LTE vendors are now offering eNodeB with a choice of either separate controller + Remote Radio Head(s) for Macro Sites, or fully integrated controller with RF, for Small Cell applications. The choice depends typically on the scale of coverage required.

The DBS3900 is eNodeB from huawei ，it used for radio access in the LTE private network system. The DBS3900 mainly performs radio resource management (RRM) functions such as air interface management, access control, mobility control, and user equipment (UE) resource allocation. The DBS3900 adopts flexible distributed architecture meeting the increasing requirements for the enterprise radio network construction and the trunking communication requirements to expand coverage and improve user experience.

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