Wave Propagation for Wireless Links

Garant předmětu:

Přednášející:

Cvičící:

Předmět zajišťuje:

katedra elektromagnetického pole

Anotace:

The aim of the course is to study the wireless transmission channel in real environments focusing on wave propagation for planning of terrestrial and satellite wireless links. The syllabus includes both deeper theoretical foundations of radio wave propagation in the atmosphere as well as ITU-R design procedures for terrestrial and satellite, fixed and mobile communications in various frequency bands.

Požadavky:

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Osnova přednášek:

1. Spherical wave in free space, Friis equation, Fresnel zones, reflection, scattering, refraction, and diffraction in the atmosphere

2. Transmission media for specific frequency bands and communication services, principles of electromagnetic wave propagation in the atmosphere

3. Propagation of the space wave in the troposphere

4. Empirical and deterministic radiowave propagation models

5. Line-of-sight links, link power budgets

6. Mobile links, wave propagation in built-up areas

7. Wideband parameters of mobile wireless channel

8. Interference and frequency planning in cellular networks

9. Free space optics links

10. Wave propagating in anisotropic environment of the ionosphere, HF radio links

11. Power budgets of satellite links

12. Coverage planning for satellite links

13. Introduction to other propagation channels (ground-to-air, troposcatter, propagation in tunnels etc.)

Osnova cvičení:

1. Introduction, basic concepts

2. Calculations of basic propagation parameters

3. Usage of ITU-R recommendations

4. General empirical model

5. Link budget of a fixed link

6. Link budget of a mobile link

7.-9. Terrestrial fixed link design - project

10.-12. Satellite link power budget design - project

13. Interference calculations

14. Presentations of projects results

Cíle studia:

The goal of the course is to learn fundamentals of propagation of electromagnetic waves in the atmosphere for planning of wireless links and appropriate power budgets calculations.

Studijní materiály:

[1] Barclay L.W., Propagation of Radiowaves, 3rd Edition, IET, 2012.

[2] Saunders, S., Aragon-Zavala, A., Antennas and Propagation for Wireless Communication Systems, 2nd Edition, Wiley, 2007.

[3] ITU-R SG3 Recommendations.

Poznámka:

Další informace:

https://moodle.fel.cvut.cz/courses/BE2M17SBS

Pro tento předmět se rozvrh nepřipravuje

Předmět je součástí následujících studijních plánů:

• Electronics and Communications - Photonics (povinný předmět programu)
• Electronics and Communications - Technology of the Internet of Things (povinný předmět programu)
• Electronics and Communications - Mobile Communications (povinný předmět programu)
• Electronics and Communications - Radio Systems (povinný předmět programu)