4g Lte Evolved Packet Core Epc Concepts And Call Flows !!better!! Download Hot Here

MME requests the SGW and PGW to create a default bearer.

The 4G LTE network is divided into two primary segments: the (the radio side) and the Evolved Packet Core (EPC) (the core network). Unlike legacy 3G networks, the EPC is an all-IP, packet-switched network that separates the control plane (signaling) from the user plane (data traffic) to maximize efficiency. Key Components of the EPC MME requests the SGW and PGW to create a default bearer

The interface to external networks (like the internet). It allocates IP addresses to devices and enforces data usage policies. the EPC is an all-IP