What is LTE network architecture?

3G data technology uses a network of phone towers to pass signals, ensuring a stable and relatively fast connection over long distances . The tower nearest to the user’s mobile phone passes data to it. While it may not sound complex, 3G technology was revolutionary at the time it was released.

UMTS system uses the same core network as the GPRS and uses entirely new radio interface . The new radio network in UMTS is called UTRAN (UMTS Terrestrial Radio Access Network) and is connected to the core network (CN) of GPRS via Iu interface.

A standard LTE system architecture consists of an Evolved UMTS Terrestrial Radio Access Network, more commonly known as E-UTRAN, and the System Architecture Evolution, also known as SAE . SAE’s main component is the Evolved Packet Core, also known as an EPC. The E-UTRAN is comprised of: User Equipment (UEs)