RADIOPROPAGAÇÃO Carlos A. Fernandes (resp) António Topa Radiowave Propagation - Master in Electrical and Computer Engineering
Outline Relevance of wireless propagation modeling; Course content; Classes and study elements; Assessment method RADIOWAVE PROPAGATION - MEEC carlos.fernandes@lx.it.pt 2
1. Relevance of propagation modeling Some applications of radio waves : Mass applications; Localization GPS Broadcast land TV and radio, satellite TV; Voice/data GSM, UMTS (3G), LTE, WiMax; Identification RFID. Data WiFi, Bluetooth, UWB; WiHD Monitoring body area networks (BANs). Modeling complexity RADIOWAVE PROPAGATION - MEEC carlos.fernandes@lx.it.pt 3
1. Relevance of propagation modeling Some applications of radio waves : Specialized applications; Communications (w/ satellites, planes etc.); Detection radar, remote sensing, security... Voice/data microwave links Medical applications diagnose, treatment RADIOWAVE PROPAGATION - MEEC carlos.fernandes@lx.it.pt 4
2. General objective of the course Study of radio wave propagation in real environments Modeling of physical mechanisms; Enables keeping pace with challenging new developments in wireless communications Application to real-world problems; RADIOWAVE PROPAGATION - MEEC carlos.fernandes@lx.it.pt 5
3. Evolution of radio concepts Paradigm shifts RADIOWAVE PROPAGATION - MEEC carlos.fernandes@lx.it.pt 6
3. Evolution of radio concepts Paradigm shifts RADIOWAVE PROPAGATION - MEEC carlos.fernandes@lx.it.pt 7
4. What is there to study? CHANGES TO FREE SPACE PROPAGATION Terrain and objects influence:; Ground and wall reflection, scattering; Diffraction by obstacles and attenuation; RADIOWAVE PROPAGATION - MEEC carlos.fernandes@lx.it.pt 8
4. What is there to study? CHANGES TO FREE SPACE PROPAGATION Atmospheric influence; Refraction; Attenuation by atmospheric gases; Influence from rain; Variability of propagation conditions RADIOWAVE PROPAGATION - MEEC carlos.fernandes@lx.it.pt 9
4. What is there to study? ESPECIAL APPLICATIONS Land mobile communications Effect of multipath propagation; Shadowing effects; Variability of the scenario; Near-body propagation Body models and body effects; Specific absorption ratio (SAR); RADIOWAVE PROPAGATION - MEEC carlos.fernandes@lx.it.pt 10
5. What you will learn Physical mechanisms of radiowave propagation in real environments; Corresponding models for system design in real problems; Background to cope in professional life with future paradigm shifts RADIOWAVE PROPAGATION - MEEC carlos.fernandes@lx.it.pt 11
7. Related courses form MEEC Background; PROE; Complementary topics; Antennas; Microwaves; System and project oriented STVR; Sistemas de Comunicações Móveis; RADIOWAVE PROPAGATION - MEEC carlos.fernandes@lx.it.pt 12
8. Classes Theory 2 1.5 hours/week; Detailed explanation of theory and applications; Occasional exercises; Simulations and experimental demonstrations; Class contents exceed the basic study elements. Exercise 1.5 hours/week; Partially solved selected exercises; Support 1.5 hours/week; RADIOWAVE PROPAGATION - MEEC carlos.fernandes@lx.it.pt 13
9. Study elements Recommended text book; Aspectos de Propagação na Atmosfera João Figanier, Carlos Fernandes Secção Folhas AEIST Copy of PPT presentations; Solved exams; Additional Bibliography (see FENIX); RADIOWAVE PROPAGATION - MEEC carlos.fernandes@lx.it.pt 14
10. Assessment 2 Tests (T1, T2), or Exams (E1, E2) + continuous evaluation (C); Tests Mark = 0.45 T1 + 0.45 T2 + 0.1 C w/ T1, T2 > 8.5 T2 is coincident with E1 Possibility to recover T1 or T2 or E1 in E2 Exam Mark = 0.9 Best(E1, E2) + 0.1 C w/ E1, E2 > 9.5 Oral exam if Mark > 17; RADIOWAVE PROPAGATION - MEEC carlos.fernandes@lx.it.pt 15
10. Assessment Polling system RADIOWAVE PROPAGATION - MEEC carlos.fernandes@lx.it.pt 16
Nota C 10. Assessment Polling system 20.00 18.00 Exemplo de anos anteriores 16.00 14.00 12.00 10.00 8.00 6.00 4.00 2.00 0.00 0 5 10 15 20 25 No. de presenças de cada aluno RADIOWAVE PROPAGATION - MEEC carlos.fernandes@lx.it.pt 17
10. Assessment Dates Test1: Nov 10, 2015 (subjects delivered up to 1 week before) Test2 + Exam1: Jan 11, 2016 Exam2 + Test recover: Jan 29, 2016 Access to RP textbook and formulas during tests and exams RADIOWAVE PROPAGATION - MEEC carlos.fernandes@lx.it.pt 18
11. Contacts Prof. Carlos A. Fernandes (Chair) carlos.fernandes@lx.it.pt Ext. 2481 Prof. António Topa antonio.topa@lx.it.pt Ext. 2479 RADIOWAVE PROPAGATION - MEEC carlos.fernandes@lx.it.pt 19