Communication and Media Engineering

Die zentrale Idee und Vision ist es, eine wissenschaftliche und anwendungsorientierte Elite in den modernen Technologien der Telekommunikation und digitalen Medien auszubilden.



Guided Waves


Differential equations, integral calculus, vector analysis, electrostatic and magneto static fields

Teaching methods Lecture/Lab
Learning target / Competences

You understand Maxwell’s equations and you can apply them regarding on basic electrodynamic problems

You understand the properties of electromagnetic waves

You can apply the description of guided waves using the mode concept on arbitrary waveguide structures

You know the properties of important waveguide structures and you can analyze basic passive microwave systems

You can analyze and evaluate microwave structures by numerical analysis of electromagnetic field problems

You are able to perform 1- and 2-port measurements with network analysers on microwave frequencies

You learn to work with rectangular waveguides and related components as attenuators, isolator, transitions, cavities and horn antennae

You are able to make simulations of simple planar microwave circuits as filters and couplers

Duration 2
Hours per week 6.0
Classes 90 h
Individual / Group work: 180 h
Workload 270 h
ECTS 9.0
Requirements for awarding credit points

Written examination (90 min) and lab work

Credits and grades

9 CP, grade between 1 and 5

Responsible person

Prof. Dr. Andreas Christ

Recommended semester 2, 3
Frequency Annually (ss)

Master's degree program CME


Microwave Lab

Type Lab
Nr. EMI412
Hours per week 1.0

Network Analysis of passive microwave elements

Rectangular Waveguide in microwave communications

Circuit Simulations with Microwave Office



Pozar, David: Microwave Engineering, John Wiley & Sons, 2011.

Wandell, Brian C.: Transmission Line Handbook, Artech House, 1991.


Guided Wave Simulation Lab

Type Lab
Nr. EMI413
Hours per week 1.0

Field numerical simulations of guided wave structures using FDFD (finite difference frequency domain) method E.g.

- Rectangular waveguide filled with a scattering obstacle
- Transmission line discontinuity: interconnection of a rectangular waveguide and a microstrip line



Literature and simulation experiment descriptions will be given at the beginning of the lab work


Guided Wave Theory

Type Lecture
Nr. EMI411
Hours per week 4.0

Maxwell’s equations: general forms, cause-effect-relations, continuity relation, time harmonic fields

Wave concept: uniform plane waves, propagation and energy flux, skin effect

Boundary conditions

Transmission lines:

- Modes: concept and classification, orthogonality

- Properties of rectangular waveguides, other waveguide types and coaxial lines

Circuit theory for waveguide systems:

- Scattering matrix formulation

- Equivalent circuits

- Examples of passive devices



Balanis, C. A., Advanced Engineering Electromagnetics, John Wiley&Sons, New York, 2012.

Ulaby, F. T., Fundamentals of Applied Electromagnetics, Pearson, 2014.

Fleisch, D., A Student's Guide to Maxwell's Equations, Cambridge University Press, 2008.