Chapter 2: Architecture — Private 5G: A Systems Approach
Aether is a Kubernetes-based edge cloud, augmented with a 5G-based connectivity service. Aether is targeted at enterprises that want to take advantage of 5G connectivity in support of
The Active Antenna Unit (AAU) is a fundamental element in the radio access network (RAN) of a 5G network. Its primary purpose is to enhance the efficiency and performance of the radio communication between user devices (like smartphones) and the 5G base station. Let's delve into the technical details of the Huawei AAU in the context of 5G:
The 5G Base Station uses a set of antennas that connect with the distributed unit. These antennas can be implemented using a passive or active architecture. These are connected to the Base Station cabinet using feeder cables. The Base Station cabinet includes the transceiver and RF processing functions.
In the 3G era, in addition to the equipment in which the radio frequency unit and the baseband unit are located in a cabinet, a base station with separate baseband unit and radio frequency unit also appeared. This base station is also called a distributed base station, and the baseband part is called BBU., and the radio unit is called RRU.
AAU (Active Antenna Processing Unit) is a new type of equipment introduced by the 5G network framework, and has certain functional differences from RRU (Remote Radio Unit). RRU (Radio Frequency Remote Function) appeared in the 3G era. As early as the 2G era, the base station was also called BTS (Base Transceiver Station).
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