ANTENNAS FOR WIRELESS SYSTEMS
Learning outcomes of the course unit
Knowledge and understanding:
- Basic theoretic knowledge of electromagnetic propagation and
understanding of physical mechanisms of free microwave propagation;
- knowledge of the most important microwave antennas;
- knowledge and understanding of microwave wireless systems.
Applying knowledge and understanding:
- use and application of analysis and design tools of microwave antennas;
- use and application of microwave wireless systems.
Prerequisites
Applied Electromagnetics
Course contents summary
Guided propagation and waveguides.
Modal functions, waveguide eigenvalues and eigenvectors.
Mode orthogonality.
Numerical methods for electromagnetism.
Aperture and horn antennas and parabolic antennas
Guided mode spectrum, mode expansion and plane wave spectrum.
Microwave transmission lines, microstrip and stripline.
Integrated, slot and patch antennas.
Resonators, definition, resonant field and cavity modes. Losses and Q-factor.
Intermodulation phenomena and products.
Main microwave antenna structures.
Arrays and reflector antennas.
Precision antennas and antenna bandwidth.
Radar.
Course contents
Syllabus (every class = 2 hours)
CLASS 1
Introduction. Maxwell equations. Electromagnetic Waves.
CLASS 2
Guided propagation and waveguides.
CLASS 3
Modal functions, waveguide eigenvalues and eigenvectors. Mode orthogonality.
CLASS 4
Numerical methods for electromagnetism.
CLASS 5
FEM ad antenna design
CLASS 6
Guided mode spectrum, mode expansion and plane wave spectrum.
CLASS 7
Aperture and horn antennas
CLASS 8
Ray optics and parabolic antennas
CLASS 9
Microwave transmission lines, microstrip and stripline.
CLASS 10
Integrated, slot and patch antennas.
CLASS 11
Exercises
CLASS 12
Resonators, definition, resonant field and cavity modes. Losses and Q-factor.
CLASS 13
Intermodulation phenomena and products.
CLASS 14
Main microwave antenna structures.
CLASS 15
Main microwave antenna structures.
CLASS 16
Arrays and reflector antennas.
CLASS 17
Diffraction gratings.
CLASS 18
Precision antennas and antenna bandwidth.
CLASS 19
Radar.
CLASS 20
Lab activity and CAD antenna design.
CLASS 21
Lab activity.
CLASS 22
Conclusion
Recommended readings
Constantine A. Balanis, “Antenna Theory”, Wiley, New York, 1982.
J.D. Kraus, R.J. Marhefka, "Antennas for all applications", McGraw Hill, 202.
Teaching methods
Lessons (75%);
classroom exercise(15%);
group experimental and CAD experiences in laboratory (5%);
seminars given by external experts (5%).
Assessment methods and criteria
Oral test aimed to verify the student knowledge and understanding of
basic electromagnetic propagation and working principles of microwave antennas.
The test will also include a presentation of lab experiences and written
exercises to allow the student to apply knowledge and understanding of
analysis and design tools on simple microwave antennas and systems.
