4G-LTE Basic Architecture!! Part II: Evolved Packet Core MME!!!

Evolved Packet Core (EPC) many things evolved in 4G-LTE network. Observe this topology: and the legend: 1. UE: User Equipment 2. E-NodeB: Evolved NodeB 3. E-UTRAN: Evolved UMTS Terrestrial Radio Access Network 4. MME: Mobility Management Entity 5. SGW: Serving Gateway 6. PGW: PDN Gateway, Packet Data Network Gateway 7. HSS: Home Subscriber Subsystem 8. PCRF: …