A UMTS network consist of three interacting domains; Core Network (CN), UMTS Terrestrial Radio Access Network (UTRAN) and User Equipment (UE). The main function of the core network is to provide switching, routing and transit for user traffic . Core network also contains the databases and network management functions.
Read moreWhat are the main components and functions of 3G architecture?
The 3G system consists of two main parts: the User Equipment (UE) and the UMTS Terrestrial Radio Access Network (UTRAN) . The UE is the mobile phone and the UTRAN is the base station and the network intelligence. Both the UE and the UTRAN are composed of different layers.
Read moreWhat is UMTS and its layers?
UMTS protocol stack consists of Access Stratum(AS) and Non Access Stratum(NAS) . Access Stratum supports OSI-layer 1 to 3. It consists of PHY(layer 1), MAC(layer 2),RLC(layer 2) and RRC(layer 3). NAS or core network part is divided based on circuit switched(CS) or packet switched(PS) functionalities.
Read moreWhat is the main features of UMTS architecture?
The UMTS network architecture is partly based on existing 2G network components and some new 3G network components. It inherits the basic functional elements from the GSM architecture on the core network (CN) side . The CN provides circuit switched (CS) functions as well as packet switched (PS) functions.
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