Intoduction to telecommunication

LELEC1930  2019-2020  Louvain-la-Neuve

Intoduction to telecommunication
4.0 credits
30.0 h + 15.0 h


Basic  knowledge in electricity (circuits) and mathematics (Fourier transform).

The prerequisite(s) for this Teaching Unit (Unité d’enseignement – UE) for the programmes/courses that offer this Teaching Unit are specified at the end of this sheet.

Main themes
  • Signals used in telecommunications
  • Propagation
  • Modulations
  • Telecommunications systems (GSM/3G/4G, Wifi, xDSL)
  • Error correcting codes
  • Cryptography

AA1.1, 1.3, 5.2

At the end of the course, the student will be able to :

  • Describe the various signal formats used in major telecommunications systems.
  • Understand and explain the main characteristics of a communication channel (wired or wireless).
  • Perform a simple link budget.
  • Understand and explain the basic modulation schemes (digital and analog).
  • Understand and explain the basic concepts used in some common communication systems :  GSM/3G/4G, Wifi, xDSL.
  • Understand, explain and compute the basics characteristics of error correcting codes.
  • Identify and describe the basic elements of a simple communication scheme.

The contribution of this Teaching Unit to the development and command of the skills and learning outcomes of the programme(s) can be accessed at the end of this sheet, in the section entitled “Programmes/courses offering this Teaching Unit”.


- Introduction : signals in telecommunications

- Basis of line theory ; description of most common cables

- Propagation, antennas and link budget

- Analog modulations (AM, FM)

- Digital modulations

- TV and radio systems

- Error correcting codes

- Data compression

- Mobile communications (GSM,3G, LTE, Wi-fi)

- xDSL

Teaching methods

The course contains

  • 14  lecture sessions.
  • 5 exercice sessions.
Evaluation methods

The exam is individual and written. The questions are based on the objectives described above and focus on the understanding and ability to explain the various concepts taught during the course (as opposed to pure memorization). The exam duration is around 3 hours.

Online resources

Moodle web site


Transparents disponibles sur Moodle

Faculty or entity

Programmes / formations proposant cette unité d'enseignement (UE)

Program title
Minor in Scientific Culture

Bachelor in Computer Science

Master [120] in Electro-mechanical Engineering