EPC Signaling (TK421)


Prerequisites Participants must have advanced knowledge of mobile Core Network
especially in the Packet Core.
For background knowledge, we recommend the TEKonsult course "EPC System Overview"
Target groups Participant who are working on the operation, troubleshooting,
planning and optimizing the EPC networks
Duration 5.0 days
Course content EPC Introduction
 
  • Evolution of the 2G and 3G Core Networks
  • EPS network architecture and nodes
  • Pool concept for MME and S-GW
  • EPC Network Interfaces and protocols
  • EPS Security Mechanisms: Authentication, Key Agreement and IPsec
    •


Mobility, Connection and Session Management in EPS

  • Mobility Areas
    •
  • LTE-UE Identifications
    •
  • Terminologies for Mobility and Connection Management
  • Mobility and Connection states
    •
  • Pool concept for MME and SGW
    •
  • The EPS bearer concept


S1 Interface and Protocols

  • S1 Interface Overview
    •
  • S1-U Interface
    •
  • The S1-MME Interface
    •
  • S1AP main procedures
    •


EPS Session Management

  • EPS Bearer overview
    •
  • EPS Bearer QoS Profile
    •
  • GTP-C Protocol and main Procedures
  • EPS Session Management Procedures
    •


S6a Interface and Procedures

  • S6a Interface and protocol stack
  • Diameter overview
    •
  • Authentication procedures in EPS
    •
  • Location Update Procedures
    •
  • Subscriber Handling Procedures
    •


Multimedia over IP and IMS Basic Procedures

  • Mobility principles between E-UTRAN and GERAN/UTRAN
    •
  • Selected traffic cases for interworking between E-UTRAN and GERAN/UTRAN
    •
  • CS Domain interworking – Voice Call Continuity and CS Fallback
    •
  • Trusted and non-trusted non-3GPP access networks
    •
  • Mobility Mechanisms using Mobile IP
    •
  • Roaming Scenario
    •


Interworking with Radio Access Network and Roaming Scenario

  • Basic SIP concepts
    •
  • Control plane: SIP and SDP
    •
  • User plane: RTP and RTCP
    •
  • The IMS Architecture
    •
  • Registration and Session Initiation
    •


PCC – Policy and Charging Control

  • Purpose of Policy and Charging Control
    •
  • The PCC architecture
    •
  • The PCRF and PCEF
    •
  • AF and SPR
    •
  • PCC Rules
    •

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