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UMTS Long Term Evolution and the Air Interface Physical Layer
(4 day course)

Who should attend this course?

This course is suitable for engineers who need to understand the long term evolution (LTE) of the UMTS air interface, and the design and implementation of the evolved packet system (EPS). It is especially aimed at those who are working on the lower layers of the air interface, and who need a thorough understanding of the air interface’s physical layer.

Content

The course covers the architecture of the evolved packet system, the principles of the air interface, the details of the physical layer, an introduction to higher layers, and the overall operation of the system.

Course breakdown

The course is delivered in 8 modules, of roughly half a day each:

  • Introduction: History of mobile telecommunication systems, the requirements of the evolved packet system, and the ITU process for 4G.

  • Architecture: Hardware architecture, protocol stacks, state diagrams, bearers, channels and services.

  • Principles of the air interface: A step-by-step description of the techniques that are used, including OFDMA, SC-FDMA, MIMO antennas and hybrid ARQ.

  • Introduction to the air interface physical layer: Implementation of these techniques, and the operation of the uplink and downlink shared channels.

  • Advanced air interface physical layer: Implementation of the other channels, control streams and physical signals, and of procedures such as random access, scheduling and channel quality feedback.

  • Practical: A laptop-based session in which participants can reinforce their understanding of techniques such as OFDMA, SC-FDMA and MIMO antennas.

  • Higher-layer protocols: Description of the protocols in layer 2 of the air interface (MAC, RLC and PDCP) and layer 3 (RRC and the non-access stratum).

  • System operation: Power-on procedures, security, operation in idle and connected states, and service implementation.

Detailed course breakdown
Download a detailed course breakdown
(PDF, 31 kBytes)

Sample of the course notes
Download a sample from the course notes
(PDF, 158 kBytes)

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