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227-0114-00L 6 Credits BSC , MSC D-ITET , D-MATH

Antennas and Propagation

Lecturers & Examiners: Prof. Dr. Rüdiger Vahldieck, Dr. Christophe Fumeaux
VVZ CR n/a

Last Updated: 2026-02-05 15:29:10

Abstract

Introduction to a wide variety of antenna topics relevant to communication systems. Description of wave propagation phenomena between stationary and mobile systems. Definition of fundamental antenna parameters. Computation of these parameters for selected antenna structures. Review of diverse antenna types, including theoretical analysis and practical applications. Basic theory of antenna arrays.

Objective

Acquisition of basic knowledge of propagation phenomena in communication systems. Solid understanding of fundamental antenna parameters. Ability to compute these parameters for selected antenna structures. Basic understanding of antenna arrays.

Content

Overview: Radiation mechanism, types of antennas, components of a communication system. Propagation of electromagnetic waves: Free-space propagation, path loss, reflection, refraction, ground effects, ground waves, multipath propagation, diffraction, scattering, absorption, propagation models for Macro-, Micro-, and Pico-cells. Fundamental antenna parameters: Near field, far field, radiation pattern, power density, power intensity, directivity, gain, antenna efficiency, input impedance, bandwith, polarization. Theoretical foundation: Vector potentials, inhomogeneous vector potential wave equation, duality theorem, reciprocity theorem. Wire antennas: Infinitesimal dipole, small dipoles, finite-length dipoles, monopoles, loop antennas. Aperture and horn antennas: Field equivalence principle, rectangular and circular apertures, Babinet's principle, slot antennas, sectoral horn antennas, pyramidal horns, corrugated horns. Microstrip antennas: Rectangular and circular patches, transmission line model, cavitiy model, Q-factor, bandwith, feeding mechanisms, input impedance, polarization. Antenna arrays: Two-element array, N-element linear array, planar arrays, phased arrays, pattern synthesis.

Resources

Lecture Notes

Copies of the course slides will be provided.

Literature

Antenna Theory, 2nd edition, C.A. Balanis, John Wiley & Sons, New York (1997)

General Information

Language
English
Levels
BSC , MSC
Frequency
Yearly recurring

Examination

Type
session examination
Mode
written 180 minutes
Aids
Alle Hilfsmittel erlaubt.

Course Components

Type Title Time & Place Hours
lecture with exercise Antennas and Propagation
  • Tue 10:15-12:00 (ETZ E 6)
  • Wed 15:15-17:00 (ETZ E 8)
4 h weekly

Offered In