4G Fundamentals

4G Fundamentals

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18 heures
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LTE is the best technology adopted as a 4G implementation. It is used by almost all mobile operators in the world today, and it will continue to exist for the next decade. This course intended to give an insight into the 4G LTE by introducing its the basic concepts and give a clear explanation of the key technologies and functions that made the power of LTE.   


  • Identify the LTE nodes and network architecture.
  • Understand the basics of the Air interface.
  • Understand why and how the data rate change in time and space.
  • Describe the LTE core network protocol stack
  • Explain how LTE manage mobility

Understand the interworking between LTE and 2G/3G


the course didn’t rely on specific background, though some networking and telecom fundaments are recommended.  


Photo de Ahmed Roumane

Ahmed Roumane

is teacher researcher at the National Institute of Telecommunication and Information and Communication Technology of Oran (INTTIC) Algeria, he is a member of its research Lab  LaRATIC. He has graduated as a telecom engineer at INTTIC.He worked for the Sonatrach company for two years as project supervisor, he gets his magister degree on ICT after his work on integrating a new link failure management method in the AODV routing protocol using NS2. Now, he is preparing a doctoral thesis on formal verification applied to communications protocols at the computer science department of the University of Oran 1. His main interest is on wireless communications and its protocol architecture.

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 le programme de la formation
  1. Overview of 2G/3G networks

Network elements and protocol stack

  1. LTE architecture

The eNodeB

The role of the Mobility Management Entity

The Serving Gateway (SGW)

The Packet Data Network Gateway (PDNGW)

The Policy & Charging Rules Function (PCRF)

The Home Subscriber Server (HSS)

  1. LTE Air interface

Basic Principles of OFDMA/SC-FDMA; Modulation Techniques; Downlink & Uplink Configurations; The Cyclic Prefix; Resource Blocks; Resource Grid configuration; Sub Frames & Slots; LTE Radio Frames;

  1. LTE Attach Procedures

Authentication Procedures; Initial Attach Requests; Temporary Identities from MME & eNodeB; Default EPS Bearer Setup; Dedicated EPS Bearer requirements; QoS support.

  1. LTE Mobility

Tracking Areas List; EMM, ESM; Cell selection reselection, handover.

  1. Voice over LTE

Circuit-Switched Fallback; Single Radio Voice Call Continuity (SRVCC); VoLTE Solutions; IMS