4g Lte Evolved Packet Core Epc Concepts And Call Flows Download Hot Verified Instant
2. UE-Triggered Service Request (Transitioning from Idle to Active)
Once the UE acknowledges the radio configuration, the eNodeB sends an Initial Context Setup Response to the MME, providing the eNodeB's downlink IP and TEID (Tunnel Endpoint Identifier). The MME sends a to the S-GW to update it with the eNodeB's information. The user plane is now fully established, and bidirectional data traffic flows. 4. 4G LTE Detach Call Flow The user plane is now fully established, and
UE detects a new tracking area, periodic TAU timer expires, or UE returns to coverage. Manages Quality of Service (QoS) and controls flow-based
Manages Quality of Service (QoS) and controls flow-based charging in the network. Mobile Packet Core 3. Core Concepts Introduction to Evolved Packet Core - 3G4G periodic TAU timer expires
The EPC is comprised of several key logical nodes, each performing specific functions to maintain connectivity and service quality: