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[LTE_800] Public Safety LTE Essentials

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Long Term Evolution (LTE) is a radio technology based on OFDM and MIMO technologies. LTE provides much higher data rates (over 100 Mbps) to users while reducing the cost-per-bit for service providers. This is very exciting to wireless operators who are eager to deploy multimedia rich Internet content over a wireless medium with seamless access anywhere at any time. In order to make use of such high speed data in public safety services, 3GPP initiated in release 12 to enhance LTE standard to meet public safety feature requirements and included Group Communication System Enablers (GCSE) and Proximity Services (ProSe). This course provides a high-level overview of LTE network architecture, air interface and procedures. It steps through the architectural enhancement for Group Communication System Enablers (GCSE), which is a key requirement for Public Safety Agencies, PS implementation models, dedicated bearer set up process and typical call flow scenarios. It also gives a high level description of Proximity Services options in LTE and some application areas.

Learning Objectives

After completing this course, the student will be able to:
• List the requirements and capabilities of LTE
• List the requirements of public safety features in LTE
• Explain the network architecture of E-UTRAN and EPC
• Sketch the architecture of security, policy and charging control (PCC), and IP Multimedia Subsystem (IMS) and their interactions with EPC
• Sketch the LTE architecture enhancements to support public safety features
• Describe the use of OFDM and multiple antenna techniques in LTE
• Describe the key concepts in the LTE air interface
• Explain network acquisition and EPS bearer setup
• Explain mobility and handover procedures
• Describe Group Communication System Enablers and Proximity Services supported in LTE networks

Intended Audience

This course provides a high level over view of LTE networks and a comprehensive overview of its enhancements to support public safety features. It is suitable for telecom professionals, operators and Public Safety engineers who want to understand how PS can be implemented through an LTE network.

Suggested Prerequisites

• LTE Overview (eLearning)

Course Length

1 day

Course Outlines / Knowledge Knuggets

1. Introduction
1.1. Goals and requirements of LTE
1.2. LTE building blocks
1.3. Motivation for PS LTE
1.4. Requirements of PS LTE

2. LTE Network Architecture
2.1. Network architecture
2.2. Roles of eNB, MME, S-GW, P-GW, and HSS
2.3. Key interfaces: S1, X2, S6a, S5, and S11
2.4. Role of IMS in LTE networks
2.5. LTE architecture enhancements to support GCSE features

3. LTE Air Interface
3.1. OFDM in downlink
3.2. SC-FDMA in uplink
3.3. LTE frame structure type 2 for FDD
3.4. eMBMS implementation
3.5. Concept of MBSFN
3.6. LTE air interface channels
3.7. eMBMS reference signals
3.8. Resource mapping for up and down links

4. LTE Network Procedures
4.1. Initial attach
4.2. EPS bearers and SDFs
4.3. QoS support in LTE
4.4. Dedicated bearer setup
4.5. Mobility and handovers in LTE

5. Group Calls and ProSe in LTE
5.1. GCSE/PS implementation models
5.2. GCSE architecture
5.3. Basic steps in Multicast/Broadcast procedures
5.4. TMGI and MBMS bearer management
5.5. eMBMS bearere establishment
5.6. IP Multicast for group calls
5.7. GCSE procedures
5.8. Service continuity for GCSE calls
5.9. Proximity based Service(ProSe)
5.10. Other services in LTE


- 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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