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Docente
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MARROCCO GAETANO
(programma)
PROGRAM:
1. INTRODUCTION TO ANTENNAS - essential chronology, radiation mechanisms, types of antennas
2. SOURCES OF ELECTROMAGNETIC FIELD – direct, induced, equivalent and image sources; radiation modeling
3. BASIC ELECTRIC AND MAGNETIC DIPOLES - static and dynamic regimes (reactive and radiating field)
4. DISTRIBUTED SOURCES - Fraunhofer and Fresnel radiation regions
5. CHARACTERIZATION OF TRANSMITTING ANTENNAS - radiation parameters: effective length, radiation intensity, directivity, gain, beamwidth, efficiency, polarization; Circuit parameters: input impedance; bandwidth
6. ELECTROMAGNETIC ANTENNA CAD: Method of Moments, the FEKO computer solver
7 BROADCASTING ANTENNAS - half-wave dipole antenna, input impedance, series and parallel resonance; quarter-wave monopole; Marconi antenna; loop antennas: small and large loop antennas; radiation diagram; input impedance, feeding techniques
8. ANTENNA SYSTEMS FOR RADIO BASE-STATIONS AND FOR RADIO-LOCALIZATION
array factor; multiplication principle and total gain; aperture efficiency; uniform Array; chart of array factor; beam electronic scanning; Two-dimensional array. Beam Shaping (Fourier synthesis). Parasitic Array: Yagi Uda antenna
9. ANTENNAS FOR PERSONAL DEVICES (Smartphone, WIFI, GPS, Notebook, Tablet): slot and aperture antennas, patch integrated antennas, PIFA antennas, impedance matching, miniaturization, multi-layer antennas, antennas with circular polarization
10. ANTENNAS FOR BROADBAND AND MULTIMEDIA SERVICES
thick Dipoles: biconical antennas, bow-tie; cylindrical antennas; self-scaling antennas: logarithmic spiral and log-periodic antennas; fractals antennas
11. SHORT-RANGE SYSTEMS, NETWORKS OF SENSOR AND RADIOFREQUENCY IDENTIFICATION (RFID)
Transmission links, characterization of receiving antennas, Friis formula, communication via backscattering, Radar formula; Active Sensor Networks; Radio Frequency Energy Harvesting, RFID systems for contactless micro-payments (Near Field Communication NFC), UHF RFID systems for logistics and sensors; Electromagnetic characterization of RFID tags
12. ANTENNA SYSTEMS FOR SATELLITE LINKS: parabolic reflector; system gain
 Recommended texts
1. Lectures Notes: http://www.pervasive.ing.uniroma2.it/Alab_Teaching_TE.htm
2. C. Balanis, “Antenna Theory: analysis and design”, John Wiley & Sons, 1997 (ISBN 0-471-59268-4)
3. R.E. Collin, “Antennas and Radiowave Propagation”,McGraw-Hill, 1985, (ISBN-0-07-011808-6)
4. J.D. Krauss, R.J.Marhefka, “Antennas for all applications”, McGraw-Hill (ISBN 0-07-46321
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