4g Lte Evolved Packet Core Epc Concepts And Call Flows Download |top| Hot
The UE sends an Attach Request to the MME via the eNodeB.
The EPC is composed of several key logical nodes, each handling specific functions of the call flow and data session: The UE sends an Attach Request to the MME via the eNodeB
The MME communicates with the HSS to authenticate the UE and establish security keys. The UE sends an Attach Request to the MME via the eNodeB
The UE is instructed to switch to the target eNodeB. Data packets are buffered and forwarded to prevent loss. The UE sends an Attach Request to the MME via the eNodeB