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LTE: Theory and Practice

2 days

This course is intended for engineers and managers with technical background. The course is particularly useful for those who are engaged in planning LTE broadband access networks in different environments including suburban and rural areas. Basic understanding of wireless engineering, cellular technology and traffic modeling is assumed.


This course solidifies the technical knowledge to understand the evolution, deployment and capabilities of LTE as the platform of broadband Wireless Access and the Evolved Packet Core.


Fundamentals of Wireless Networks

  • Broadband Wireless. Basic Considerations
  • Access vs. Core
  • Basic “Mobility Model”
  • Evolution of LTE:
  • GSM to UMTS (R99)
  • R4 – R7 ( closed: no further developments)
  • R8 – R13 (frozen: standards are available for deployment)
  • R14 – R16 (open: under development)

3G/4G Technologies

  • Data rates
  • Brief description of 3G
  • The OFDM/MIMO technologies
  • LTE Access
  • LTE Core (EPC)

Macro/Pico, HetNets, Mesh Nets and rapid Deployment of Hot Spots

  • Flexible radio coverage
  • Inter-Cell Interference Coordination (ICIC)
  • Mesh Networks and back-hauling
  • Rapid deployment and Self Organizing Networks (SON)


  • Characteristics of LTE-Advanced Radio Environment
  • Carrier Aggregation
  • Advanced Antenna techniques
  • Interference management
  • Overview of Dual Connectivity Concept
  • LTE-Advanced Pro

LTE/WIFI Integration and LTE-U

  • Principles of deploying LTE in Unlicensed bands
  • LTI/WIFI deployment scenarios
  • Licensed Assisted Access (LAA)
  • Handling interference events
  • LTE/WLAN Aggregation (LWA)
  • Data offloading with LTE-WLAN Aggregation

Important LTE Protocols

  • User plane vs. control plane
  • The IMS Systems
  • VoIP, VoLTE and Video over LTE
  • Policy and Charging Control

Mission Critical (R13)

  • Overview of LTE Release 13
  • Mission Critical Push-to-Talk
  • Mission critical video and data communication
  • LTE-based Dedicated Public Safety Network at 700 MHz
  • Interoperability with P25 and TETRA systems.


  • Overview of 5G
  • Timeline: R15 (2018) and R16 (2020)
  • Proposed radio bands and channel modelling
  • Unified and flexible air interface for 5G
  • Flexible UL/DL frame structure
  • Enhanced Mobile Broadband (eMBB)
  • Massive MIMO
  • High Density 5G NR – Integrated Access and Backhaul
  • Future Core Network for 5G

Technologies Enhanced and Supported by Future 5G

  • Machine Type Communications (MTC) and D2D
  • Vehicular communications V2X
  • Support for IoT
  • Network Virtualization
  • Access/Backhaul integration
  • Cloud-based future broadband applications
Skills Taught: 

The attendants will gain knowledge in these areas:

  • The evolution of LTE through its different releases: R99, R4, R5, R6 up to R15
  • The basic mobility management model and its evolution
  • Understanding 3G/4G as they are currently deployed including OFDM and MIMO
  • Macro/Pico, HetNets, Mesh Nets and rapid deployment of Hot-Spots
  • Comprehensive review of LTE-Advanced (LTE-A) and (LTE-A Pro)
  • Understanding of IMS, VoIP, VoLTE and Video over LTE
  • 5G, 5G New Radio (5G-NR) and 5G Next Generation Core Network (5G-NGCN)
  • Carrier Aggregation (CA) and Dual Connectivity (DC)
  • LTE-WIFI integration and Unlicensed LTE (LTE-U) technologies
  • Mission Critical LTE (R13) for Public Safety including interaction with TETRA and P25
  • Device-to-Device (D2D), Vehicle communications (V2X) and Internet of Things (IOT)
  • The role of SDN/Cloud/Virtualization in evolving LTE