9796299 -
Transmission Lines and Antennas
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PAVONE SANTI CONCETTO
( programma)
Maxwell's equations, general principles and plane waves:Introduction to electromagnetics and applications. ● Time-domain Maxwell equations. ● Lorentz force and continuity equation. ● Interdependence of Maxwell equations. ● Boundary conditions for electromagnetic fields. ● Frequency-domain Maxwell equations and complex notation. ● Polarization of electromagnetic fields. ● Constitutive relations. ● Electromagnetic media: non-polar and polar dielectrics, conductors, and cold, collisionless plasma. ● Poynting and uniqueness theorems. ● Solutions of Maxwell equations in Cartesian coordinates: plane waves. ● Homogeneous and inhomogeneous plane waves: classification. ● Plane wave spectrum and wavenumber domain. ● Dispersion of a wave-packet and Brillouin diagram. ● Phase and group velocities.Transmission lines:Guiding structures with cylindrical symmetry and metallic contour. ● TEM modes. ● Voltage and current on a transmission line. ● Telegraphers' equations in time and frequency domains. ● Solution of Telegraphers' equations. ● Reflection coefficient and VSWR. ● Impedance transformer formula. ● Termination on matched, short-circuited, open-circuited, and generic loads. ● Lossy transmission lines. ● Coaxial cable and bifilar line impedance calculation. ● Matching techniques by quarter-wavelength transformer and by stubs.Reflection and transmission of plane waves:Normal incidence. ● Snell-Cartesio laws. ● Fresnel coefficients for parallel (TM) and orthogonal (TE) polarizations. ● TE/TM equivalent transmission lines and formalism for planar multilayer structure analysis. ● Transmission in lossless media. ● Total transmission and total reflection. ● Transmission in lossy media: interface air-good conductor. ● Leontovich boundary condition. ● Brief overview of high-frequency approximation of EM field and elements of radiopropagation.Radiation and antennas:Electrodynamic potentials. ● Field radiated by an elementary electric dipole. ● Duality theorem. ● Field radiated by an elementary loop. ● Reactive and radiative near-field conditions. ● Far-field conditions. ● Field radiated by linear antennas. ● Image theorem and application to monopole antennas.Transmitting and receiving antennas:Fundamental parameters to characterize transmitting antennas. ● Calculation of parameters for dipole and loop antennas. ● Characterization of receiving antennas. ● Friis formula for link budget. ● Brief overview of RADAR equation and RCS. ● Brief overview of antenna noise temperature.Laboratory and CAD:Experimental verification of Snell laws at optical frequencies. ● Simple overview of MATLAB scripting to solve electromagnetic problems. ● Measurement of antenna radiation pattern.
Applied Electromagnetics
[1] C. A. Balanis, "Advanced Engineering Electromagnetics", Wiley.
[2] G. Franceschetti, "Campi Elettromagnetici", Bollati Boringhieri.
[3] G. Gerosa, P. Lampariello, "Lezioni di Campi Elettromagnetici", Edizioni Ingegneria 2000.
[4]J. Kong, "Electromagnetic Wave Theory", EMW Publishing, Cambridge, Massachusetts.
[5] C. G. Someda, "Electromagnetic Waves", CRC Press.
Fundamentals of Antennas:
[6] C. A. Balanis, "Antenna Theory: Analysis and Design", Wiley.
[7] F. S. Marzano, N. Pierdicca, "Fondamenti di Antenne", Carocci.
[8] S. J. Orfanidis, "Electromagnetic Waves and Antennas", vol. II (Antennas).
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ING-INF/02
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49
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15
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15
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Attività formative caratterizzanti
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ENG |
9796280 -
Internet
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LOMBARDO Alfio
( programma)
Underlying network technologies Background on physical interfaces and IEEE 802.11 standards
Laboratorio: network cabling Cfu: 0,5 2: Internetworking in una rete Internet: Tecniche di forwarding e routing,; transparent bridging, Indirizzamento IP, (*)
Subnetworking, indirizzi privati, NAT, PAT; VLAN (*)
Risoluzione degli indirizzi (ARP, BootTP, DHCP) (*) ;
protocolli IP (IPv4, cenni IPv6)Error reporting in una Internet (ICMP); (*)
Architetture e Protocolli di routing (RIP, OSPF, BGP) (*)
Laboratorio : configurazione routers/switchs, VLAN, routing Cfu 2,5 3. Multicast nelle reti IP: hardware multicast, multicastIP, IGMP, Routing multicast, MBone Cfu: 0,5 4. Network security Network security issues
Classification of network attacks. Principles of cryptography. Authentication schemes.
IpSec protocol
Cfu 0,75
5. Network performance fundamentals and queueing theory Network performance metrics (*). Introduction to queueing theory. Poisson processes. Discrete-time(*) Markov chains. Continuous-time (*) Markov chains. M/M/1 systems(*). M/M/1/n systems. M/G/1 systems. M/G/1 systems with priority. M/D/1 systems. Introduction to networks of queues.
Performance evaluation: case studies
Performance analysis of data-link control protocols. Performance analysis of MAC protocols: random access and carrier sensing schemes. Numerical exercises on performance evaluation.
Cfu 2,5
6.QoS management nelle reti IP: Classificazione, CAC, Controllo del traffico, Scheduling, Gestione delle code, Modello IntServ: Modello DiffServ Cfu: 1 7. MPLS: Forwarding Equivalent Class, Label Switched Router, Tabelle di routing (LIB, NHLFE,ILM), Gestione etichette, Label Switched Path, Distribuzione delle accociazioni FEC/Etichette (Label Distribution Protocol), Integrazione MPLS_Diff SERV, Ingegneria del traffico; RSVP-TE(*)
* Contenuti minimi richiesti Cfu 1,25
Gli studenti della coorte 2020-21 che hanno nel piano di studi l'insegnamento INTERNET da 6 CFU sono esonerati dagli argomenti della sezioni
1. Underlying network technologies
5. Network performance fundamentals and queueing theory
1 J. Kurose, K. Ross: Computer Networking, Addison-Wesley (Italiano/Inglese)
2 Mario Baldi, Pietro Nicoletti: Internetworking (Italiano)
3 Tiziano Tofoni: MPLS: Fondamenti e applicazioni alle reti IP (Italiano)
4. Luc De Ghein: MPLS Fundamentals (Inglese)
5. Achille Pattavina: Reti di Telecomunicazioni, Networking e Internet
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PALAZZO Sergio
( programma)
Underlying network technologies Background on physical interfaces and IEEE 802.11 standards Laboratorio: network cabling Cfu: 0,5 2: Internetworking in una rete Internet: Tecniche di forwarding e routing,; transparent bridging, Indirizzamento IP, (*) Subnetworking, indirizzi privati, NAT, PAT; VLAN (*) Risoluzione degli indirizzi (ARP, BootTP, DHCP) (*) ; protocolli IP (IPv4, cenni IPv6)Error reporting in una Internet (ICMP); (*) Architetture e Protocolli di routing (RIP, OSPF, BGP) (*) Laboratorio : configurazione routers/switchs, VLAN, routing Cfu 2,5 3. Multicast nelle reti IP: hardware multicast, multicastIP, IGMP, Routing multicast, MBone Cfu: 0,5 4. Network security Network security issues Classification of network attacks. Principles of cryptography. Authentication schemes. IpSec protocol Cfu 0,75 5. Network performance fundamentals and queueing theory Network performance metrics (*). Introduction to queueing theory. Poisson processes. Discrete-time(*) Markov chains. Continuous-time (*) Markov chains. M/M/1 systems(*). M/M/1/n systems. M/G/1 systems. M/G/1 systems with priority. M/D/1 systems. Introduction to networks of queues. Performance evaluation: case studies Performance analysis of data-link control protocols. Performance analysis of MAC protocols: random access and carrier sensing schemes. Numerical exercises on performance evaluation. Cfu 2,5 6.QoS management nelle reti IP: Classificazione, CAC, Controllo del traffico, Scheduling, Gestione delle code, Modello IntServ: Modello DiffServ Cfu: 1 7. MPLS: Forwarding Equivalent Class, Label Switched Router, Tabelle di routing (LIB, NHLFE,ILM), Gestione etichette, Label Switched Path, Distribuzione delle accociazioni FEC/Etichette (Label Distribution Protocol), Integrazione MPLS_Diff SERV, Ingegneria del traffico; RSVP-TE(*) * Contenuti minimi richiesti Cfu 1,25
1 J. Kurose, K. Ross: Computer Networking, Addison-Wesley (Italiano/Inglese)
2 Mario Baldi, Pietro Nicoletti: Internetworking (Italiano)
3 Tiziano Tofoni: MPLS: Fondamenti e applicazioni alle reti IP (Italiano)
4. Luc De Ghein: MPLS Fundamentals (Inglese)
5. Achille Pattavina: Reti di Telecomunicazioni, Networking e Internet
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ING-INF/03
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49
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15
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15
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Attività formative caratterizzanti
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ENG |