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[LTE_305] LTE-EPC Networks and Signaling

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The LTE Evolved Packet System (EPS) is an evolution of the 3GPP system architecture with the vision of an all-IP network finally realized. EPS consists of the Evolved UTRAN (E-UTRAN) and Evolved Packet Core (EPC). EPC supports mobility with the existing 3GPP and non-3GPP wireless networks to facilitate smooth migration, interworking, and service continuity across these networks. The EPC and E-UTRAN will be optimized for the delivery of IP-based services. EPS will use IMS as the services network and manage QoS across the system, enabling a dynamic mix of voice, video, and data services. This course provides a detailed look at the architecture of the EPC and the signaling among the UE, E-UTRAN and EPC network components.

Learning Objectives

After completing this course, the student will be able to:
• Sketch the EPC architecture
• Describe the components that make up the EPC and their roles
• List the key protocols of LTE-EPC like NAS, GTP and Diameter
• Explain how authentication and security are achieved in the EPC
• Describe the different options for IP address allocation
• Describe an EPS bearer setup
• Explain the role of the PCC network
• Explain how services are added and how QoS requirements are managed
• Describe connectivity to multiple APNs (PDN connections)
• Explain X2- and S1-based handovers
• Describe deployment considerations

Intended Audience

This course is designed for those involved in development, integration, deployment and engineering of LTE-EPC wireless systems.

Suggested Prerequisites

• [LTE_102] LTE Overview (eLearning)
• [LTE_103] LTE SAE Evolved Packet Core (EPC) Overview (eLearning)

Course Length

3 Days Instructor Led

Course Outlines / Knowledge Knuggets

1. LTE-EPC Network Architecture
1.1. Roaming and non-roaming architecture
1.2. Roles of HSS, MME, S-GW, P-GW, and PCRF
1.3. Key features and services

2. LTE-EPC Protocols
2.1. Roles of EMM and ESM
2.2. GTPv2-C and GTP-U
2.3. Roles of SCTP and diameter

3. LTE-EPC Signaling Fundamentals
3.1. Network and UE identities
3.2. EPS and signaling bearers
3.3. PDN connections and APNs

4. Security in LTE-EPC
4.1. Security architecture
4.2. Authentication and Key Agreement (AKA)
4.3. NAS and AS security

5. Network Access in LTE-EPC
5.1. Initial attach procedure
5.2. MME, S-GW and P-GW selection
5.3. Default EPS bearer setup
5.4. IP address allocation

6. QoS and PCC Framework in LTE-EPC
6.1. PCC architecture
6.3. QoS class identifiers
6.4. Traffic flow templates

7. Session Establishment and PDN Connectivity
7.1. Dedicated EPS bearer setup
7.2. Multiple PDN connectivity
7.3. EMM states
7.4. Paging operation
7.5. Dedicated bearer deactivation
7.6. Dedicated bearer modification

8. Intra-LTE Mobility
8.1. X2-based handover
8.2. S1-based handover
8.3. Tracking area updates

9. IMS and Support for Voice
9.1. IMS and seamless mobility
9.2. Circuit-Switched Fallback (CSFB)
9.3. Voice Call Continuity (VCC)
9.4. Single Radio Voice Call Continuity (SRVCC)

10. Deployment Considerations
10.1. Evolving to EPC network
10.2. Interworking with Release 8 and Pre-Release 8 3GPP networks
10.3. Interworking with Non-3GPP networks

11. End-to-End Flow
11.1. Review of attach procedure
11.2. Review of service addition


- Self-paced, animated, and interactive

- $150/each course for 6 month license

- Immediate online access upon purchase

- Flexible way to take training at any hour

- Online training transcript available

- Electronic certificates at completion

- Full list of courses at


For any additional questions,
please contact Mr. Rod Marckese
at +1-972-664-0727 x246 or

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