Propagation of Radiowave and Frequency Manage

Lecturer:

Pavel Pechač (gar.)

Tutor:

Pavel Pechač (gar.), Stanislav Zvánovec

Supervisor:

Department of Electromagnetic Field

Synopsis:

Propagation of electromagnetic waves from physical point of view, properties of transmission environments based on frequency range from extremely long to submillimetre wavelengh, propagation in atmosphere, signal propagation for telecommunication services - fixed and mobile systems, terrestrial and satellite links, regulations and frequency planning, propagation modeling for new communication services, using of ITU-R recommendations.

Requirements:

Basic knowledge of electromagnetic field theory. http://www.elmag.org

Syllabus of lectures:

1. Free space propagation, transmission media properties, hydrometeors

2. Physical aspects of electromagnetic wave propagation, propagation in troposphere, ionosphere, free space

3. Fading, theory of diffraction

4. Propagation in VLF, LF and MF frequency bands, coverage

5. HF propagation

6. VHF and UHF propagation

7. Propagation over terrain - ITU-R recommendation

8. Signal propagation for specified telecommunication services

9. Mobile links

10. Propagation in urban areas, optical models

11. Cellular networks, interference

12. Satellite links

13. Radio - regulations and frequency planning

14. Software tools for propagation prediction, review of ITU-R recommendations

Syllabus of tutorials:

1. Introduction, math software

2. Calculations of basic propagation parameters

3. Professional rf planning tool Radiolab, DTM (digital terrain model)

4. Line of site link planning - project

5. Diffraction on terrain obstacles

6. Coverage planning - methodology, methods, software tools

7. ITU-R model for propagation over terrain

8. Coverage calculations for LF and MF bands

9. HF and VHF link planning, project

10. Interference, cellular network planning

11. Propagation in urban area - comparison of models - computer laboratory

12. Coverage measurement inside building - computer laboratory

13. Measurement data processing, calibration of empirical models - computer laboratory

14. Presentations of projects and measurement results

Study Objective:

Study materials:

[1] Wait, J.R.: Introduction to Antennas and Propagation. Peter Peregriunus Ltd., London 1986

[2] Siwiak, K.: Radiowave propagation and Antennas for Personal Communications. Artech House, London1995

[3] Hall, M.P.M., Barclay, L.W., Hewitt, M.T.: Propagation of Radiowaves. The IEE, London 1996

Note:

Time-table for winter semester 2011/2012:

Time-table is not available yet

Time-table for summer semester 2011/2012:

Time-table is not available yet

The course is a part of the following study plans:

• Telecommunications and Radio-engineering - High-frequency and Microwave Technology- structured studi (compulsory elective course)
• Telecommunications and Radio-engineering - Opto-electric Systems- structured studies (compulsory elective course)
• Telecommunications and Radio-engineering - Radio Communications, Navigation and Radar Systems- struc (compulsory elective course)
• Telecommunications and Radio-engineering - Multimedia, Sound and Television Technology- structured s (compulsory elective course)
• Telecommunications and Radio-engineering - Telecommunications- structured studies (compulsory elective course)