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[LTE_302] LTE Protocols and Signaling

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LTE promises dramatic improvements in throughput and latency, which opens a new era in Quality of Service (QoS). These enhancements are based on several fundamental pillars: A new air interface (OFDM+MIMO), simplified network architecture and efficient air interface structure and signaling mechanisms. This course takes a detailed look at the layer 2 and 3 signaling procedures as defined in 3GPP specifications. The main focus is on UE-E-UTRAN and UE-EPC signaling. The course also provides an overview of the end-to-end default and dedicated EPS bearer setup including QoS considerations. Intra-LTE mobility and LTE-non-LTE interworking are also illustrated.

Learning Objectives

After completing this course, the student will be able to:
• Sketch the network architecture of LTE
• Explain the detailed setup of the RRC connection between the UE and the E-UTRAN
• Describe the roles of the MAC, RLC, PDCP, and RRC protocols
• Describe the roles of protocols associated with S1, X2, and NAS
• Illustrate the initial attach operation
• Explain the implementation of QoS and security
• Summarize traffic operations for UL and DL
• Describe various handover scenarios and the associated signaling procedures
• Describe interworking between LTE and 3GPP systems and LTE and non-3GPP systems

Intended Audience

This course is primarily intended for a technical audience in design, test, systems engineering or product support that wants to understand LTE signaling details.

Suggested Prerequisites

• [LTE_102] LTE Overview (eLearning)

Course Length

3 Days Instructor Led

Course Outlines / Knowledge Knuggets

1. LTE Network Architecture
1.1. Architecture and node functions
1.2. Interfaces and associated protocols
1.3. Identities of the UE, E-UTRAN, and EPC

2. LTE-Uu Interface Protocols
2.1. PHY frame and channels
2.2. MAC, RLC, PDCP, and RRC

3. E-UTRAN and NAS Protocols
3.1. S1 and X2 interfaces and associated protocols
3.2. NAS states and functions
3.3. GTPv1 and GTPv2

4. System Acquisition
4.1. Power-up synchronization
4.2. System Information Blocks

5. System Access
5.1. Random access
5.2. RRC connection setup
5.3. Timing alignment
5.4. DRX operation
5.5. Power control

6. Attach to the Network
6.1. Overview of attach
6.2. Selection of MME
6.3. Authentication and key agreement
6.4. Integrity protection and encryption
6.5. AS and NAS security

7. Initial PDN Connection
7.1. S-GW and P-GW selection
7.2. Default bearer setup
7.3. IP address allocation

8. Idle Mode and Paging
8.1. Paging operation
8.2. Tracking area update

9. Service Establishment and QoS
9.1. QoS parameters
9.2. EPS bearers and TFTs
9.3. PCC architecture

10. Traffic and Bandwidth Management
10.1. Channel quality reporting
10.2. DL/UL scheduling
10.3. DL/UL traffic operations

11. Mobility in LTE
11.1. X2-based mobility
11.2. S1-based mobility

12. Interoperability
12.1. Measurement
12.2. 3GPP mobility
12.3. Non-3GPP mobility


- 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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