What are the functions of UMTS?

What are the functions of UMTS? – Enpatika

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.

What are the main elements of UTRAN architecture?

31 March 2022 Enpatika.com Genel

UTRAN consist of Radio Network Subsystems (RNSs). The RNS has two main elements: Node B and a Radio Network Controllers (RNC) . ii. Radio network controller (RNC):