Course content

Introduction to wireless channels (deterministic, empirical and stochastic models) and link budget. Capacity in wireless systems, signal-to-noise ratio and intermodulation. Noise factor and equivalent noise temperature. Superheterodyne receiver and PLL. OFDM (Orthogonal Frequency Division Multiplexing). Error correcting codes (convolutional coding). Radio access and multi-user methods. Transmission lines, reflections and Smith chart. Antennas (as a system component).

Learning outcome

Knowledge - The candidate must be able to:

• Explain basic characteristics of different wireless channel models.
• Explain important aspects of channel quality, including noise factor, equivalent noise temperature and intermodulation.
• Explain more advanced modulation and detection methods (OFDM).
• Explain coding and error correction (convolutional coding).
• Know basic radio access and multi-user methods.
• Explain the principle of superheterodyne receivers and PLL.
• Account for reflections and matching methods in transmission lines.
• Explain antennas as a system component.

Skills - The candidate must be able to:

• Do calculations on signal power and noise in communication systems.
• Do calculations for signals on transmission lines using mathematical formulas and the Smith Chart.

General competence - The candidate must:

• Know common terms in wireless communication.
• Know modern measuring instruments (vector network analyzer).

Learning methods and activities

Lectures. Problem solving. Supervision.

Certain topics can be taught in English.

Specific conditions

Recommended previous knowledge

IELEG2142 Communications (or similar).

Required previous knowledge

Access to the course requires admission to the study program Bachelor in Electrical Engineering (BIELEKTRO).

Course materials

Stated at semester start.

Credit reductions