20801861 -
OPTICAL COMMUNICATIONS
(objectives)
The course provides students with the basics on the operation and performance of digital and analog fiber transmission systems, of switching techniques, routing and data protection. The main architectures and protocols used in transport networks and access networks are discussed, with emphasis on next-generation optical networks and security.
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CINCOTTI GABRIELLA
( syllabus)
•• Physical layer Planar waveguides; optical fibers; attenuation; modal dispersion; chromatic dispersion; non linear effects; link power budget; splitters, couplers, filters, wavelength de/multiplexers, LEDs and laser diodes, SOA, EDFA and Raman amplifiers, PIN and avalanche photodiodes, noise in the receivers; amplitude and phase modulators; CWDM, DWDM and OTDM systems; modulation formats; ODFM; error coding.
• Overview of communication networks ISO/OSI levels; Digital hierarchies; PSTN; Protocols: IP, Ethernet, Frame Relay, ATM, FDDI.
• Core networks PHD, SONET and SDH protocols; OTN networks; protection and restoration; ASON.
• Access network PSTN and FTTx systems, Passive optical networks (PON): protocols GPON, EPON and BPON. Next generation access networks NG-PON.
• Circuit, packet and burst switching Wavelength routed networks; lightpath topology design; Routing and wavelength Assignment; optical router and contention resolution; optical buffering; optical cross connection (OXC). MPLS and generalized MPLS protocols.
• Security in optical networks Transport layer security, key exchange, authentication, confidentiality, bit and block optical ciphering techniques; qubit; quantum cryptography; protocols for quantum key distribution (QKD).
( reference books)
Chinlon Lin - Broadband optical access networks and fiber-to-the-home: systems technologies and deployment strategies. Govind P. Agrawal - Fiber-Optic Communication Systems. Govind P. Agrawal - Lightwave Technology. Paul Green - Fiber to the home: the new empowerment John Vacca - Optical Networking Mark Stamp - Applied cryptanalysis: breaking ciphers in the real world Hsiao-Hwa Chen - Security and communication networks IL CORSO È EROGATO SU PIATTAFORMA MOODLE
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9
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ING-INF/03
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72
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Core compulsory activities
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ITA |
20802000-2 -
SISTEMI RADIOMOBILI
(objectives)
To acquire specific knowledge on infrastructured and self organising mobile networks architectures, and related technologies. Particular attention will be devoted to those methodologies and techniques aimed at an efficient use of radio resources and to the cooperation of the various units in order to mitigate mutual interference and to maximize the Quality of Service (Cogniteve Radio Paradigm). To acquire major methodologies for the assessment of mobile networks performance and design guidelines.
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NERI ALESSANDRO
( syllabus)
General characteristics of mobile networks. Current trends in the TLC market. Basic and Added Value services. General architecture of digital mobile networks: GSM and UMTS. Functional blocks and protocols for circuit switched and packet switched (GPRS) services. GSM: Physivcal layer characteristics, Radio frame structure, physical transportation and logical channels. Modulation, demodulation, conding and decoding techniques and formats (basic and enhanced). GSM: channel coding, interleaving and frequency hopping, MAC and RLC sublayers. Mobility management and power control. Call session control functions: inbound and outbound call control procedures, supplementary services, short message and multimedia message services. Functional blocks and protocols for packet switched services (GPRS) in GSM. GPRS: Mobility management, quality of service. Frame structure and virtual channel allocation in GSM/GPRS. Modulation, demodulation, conding and decoding techniques and formats (basic and enhanced) in GSM/GPRS. Queuing theory basics. Erlang Formulas. Cluster selection and cell planning in low and high traffic density areas for circuit switched and packet switched (GPRS) services. UMTS reference architectures (from release 99 to LTE and aLTE). Functional blocks and related protocols. Physical, logical, and transport layers. Modulation, demodulation, conding and decoding techniques and formats (release 99, HSPA and LTE). Performance assessment. Mobility management and power control in UMTS. Radio resources (RR) management. Evolutionary trend and characteristics of UMTS-LTE. IP Multimedia System: General characteristics and architecture. Call Session Control in IPMS: SIP protocol. IP Multimedia System security: Diameter protocol.
( reference books)
A. Neri. "Appunti dalle lezioni di Sistemi radiomobili". Freely available at http://elearning.dia.uniroma3.it/moodle/. Additional books freely available in the e-book collection of ROMA TRE Biblioteca di Area Scientifico-tecnologica (http://host.uniroma3.it/biblioteche/page.php?page=collezion0)
Mobile Radio Networks Published Online: 22 Nov 2001 Author(s): Bernhard H. Walke Print ISBN: 9780471975953 Online ISBN: 9780470841938 DOI: 10.1002/0470841931 Copyright © 1999 John Wiley & Sons, Ltd. Radio Network Planning and Optimisation for UMTS (Second Edition) Published Online: 20 Feb 2007 Editor(s): Jaana Laiho, Achim Wacker, Tomá Novosad Print ISBN: 9780470015759 Online ISBN: 9780470031407 DOI: 10.1002/9780470031407 Copyright © 2006 John Wiley & Sons, Ltd WiMAX Published Online: 22 Jan 2007 Author(s): Loutfi Nuaymi Print ISBN: 9780470028087 Online ISBN: 9780470319055 DOI: 10.1002/9780470319055 Copyright © 2007 John Wiley & Sons, Ltd
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6
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ING-INF/03
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48
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Core compulsory activities
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ITA |
Optional group:
AD A SCELTA - (show)
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39
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20801863 -
COMPONENTI A IPERFREQUENZE
(objectives)
THE STUDENT WILL LEARN HOW TO UNDERSTAND PROPERTIES AND DESIGN OF VARIOUS MICROWAVE COMPONENTS (BOTH PASSIVE AND ACTIVE), CIRCUITS, USED IN BASIC RF/MICROWAVE FRONTEND FUNCTIONAL BLOCKS AND LEARN HOW TO APPLY THESE PROPERTIES FOR PARTICULAR DESIGNS. THE STUDENT WILL LEARN HOW TO DESIGN BASIC RF/MICROWAVE FRONTEND FUNCTIONAL BLOCKS USING BOTH ANALYTICAL TOOLS AND ADVANCED COMPUTER-AIDED DESIGN TOOLS. THE STUDENT WILL, THROUGH THE LAB SESSIONS, DEVELOP AN INTUITION AND PHYSICAL FEELING FOR MICROWAVE PHENOMENON AND TO GET FIRST HANDS-ON EXPERIENCE WITH MICROWAVES COMPONENTS AND EQUIPMENT.
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TOSCANO ALESSANDRO
( syllabus)
PART 1 - Transmission lines, Matching, Smith chart, Narrowband microwave networks, Small reflection theory, Wideband microwave networks, Binomial impedance transformer and Chebyshev impedance transformer, Matrix representation of microwave networks, Matrix ABCD, Impedance and admittance matrices, Scattering matrix and relationships with other matix representations
PART 2 - Scattering matrix [S] of a N-port network, Properties of a component from [S]: Reciprocity, Matching and Lossless, Unitary matrix condition, Analysis of a microwave network from its scattering matrix, Analysis of a microwave component with not-matched ports, Signal flow representation of the scattering matrix
PART 3 - 3-port networks, Analysis of e 3-port network, Microwave circulators, [S] matrices of a circulator, Operation of a circulator, Analysis and Design of a Circulator, Power dividers, [S] matrix of a power divider, Proprieties of a power divider, Junction dividers, Lossy dividers, Wilkinson dividers, Mode analysis of a Wilkinson divider, Balanced and Unbalanced power dividers, 2-port power dividers, N-port power dividers, Design of a power divider for microwave applications
PART 4 - 4-port networks, Analysis of a 4-port network, Directional Couplers (DC), Types of Directional couplers (Symmetric, Antisymmetric, Hybrid), Proprieties and parameters of a DC, Waveguide Directional Couplers: Bethe Hole Coupler, Double Bethe Hole Coupler, Multi hole Bethe Coupler, Coupled Lines Directional Couplers, Theory of coupled lines, Hybrid Directional couplers, Quadrature Hybrid Couplers: Mode analysis and design, Rat-race Hybrid: Mode analysis and Design
PART 5 - Analysis and design of microwave filters, Matching networks for microwave amplifiers, Introduction to the analysis and design of metamaterial-based microwave components
( reference books)
David Pozar, Microwave engineering 4th Edition S.J. Orfanidis, Electromagnetic Waves and Antennas I Bahl and P. Bhartia, Microwave solid state circuit design
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9
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ING-INF/02
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54
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Core compulsory activities
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ITA |
20802044 -
SISTEMI BIOMETRICI
(objectives)
The course aims at providing the necessary instruments for the analysis and design of biometric systems, both uni-modal and multi-modal systems. In the course, the principles to include the needed security ad privacy requirements in the project of the system are fully addressed. The notions learnt during the course will be brought to fruition with the realization of a functioning biometric system during the lab activity.
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CAMPISI PATRIZIO
( syllabus)
Biometrics fundamentals: identity and biometrics. Introduction to biometric systems. Biometric applications. Biometric modalities. Physical: fingerprints, face (2D and 3D), hand geometry, palmprint, vein patterns, iris, thermography). Behavioral: signature, voice, keystroke, gait, lip motion). Biometric system design: biometric system architecture. Biometric system design stages: system requirements, system specification, architecture, implementation, deployment, and maintenance. System testing: FAR, FRR, FTE, FTA, curves ROC, DET, CMC, usability, and scalability Sicurezza, vulnerabilità, e privacy di un sistema biometrico: attacchi ad un sistema biometrico, protezione del template (criptosistemi biometrici, "cancelable templates"). Security, vulnerability, and privacy of a biometric system: attacks, privacy enhancing technologies (PETs). Multimodal biometric systems. Biometric Standards. Social, cultural, and legal implications.
( reference books)
Guide to Biometrics, R. M. Bolle , J. H. Connell , S. Pankanti , N. K. Ratha , A. W. Senior , Springer, 2003. Handbook of Biometrics , A. K. Jain, P. Flynn, A. Ross, Springer, 2007. Handbook of Multibiometrics, A. A. Ross, K. Nandakumar, and Anil K. Jain, Springer, 2006.
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9
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ING-INF/03
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54
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Core compulsory activities
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ITA |
20801729 -
INFRASTRUTTURE DELLE RETI DI CALCOLATORI
(objectives)
The purpose is to provide advanced knowledge on computer networks, with methodological and technical contents. Special attention is devoted to scalability issues. At the end of the course the student is supposed to get the following concepts: interdomain and intradomain routing, congestion control, architectures for scalable systems. The student is also supposed to get advanced technicalities on widely adopted protocols. Finally, the student is supposed to understand the main economic and technical drivers of the internet evoulution.
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Derived from
20801729 INFRASTRUTTURE DELLE RETI DI CALCOLATORI in INGEGNERIA INFORMATICA (DM 270) LM-32 N0 PATRIGNANI MAURIZIO
( syllabus)
PART 1: The application level. The point of view of the applications. Network service QoS. Design of scalable architectures for Web services. Internet data center architectures. Content delivery networks. Peer-to-peer networks and distributed hash tables. PART 2: The relationship between transport and application layers. The socket library and its use. PART 3: Congestion control and the transport layer. Transport techniques. TCP and congestion control. Focus: TCP exercises and examples. PART 4: Routing methodologies and technologies. Routing algorithm for the network infrastructure. Link-State-Packet algorithms. Routing protocols and the Internet network. Software Defined Networks. Spanning tree computation for switched networks. PART 5: Interdomain routing. Border Gateway Protocol. Scalability of BGP. Internet architecture. Internet data analysis. Design of a transit AS. Stability of BGP protocol. PART 6: Virtual networks. Virtual local networks (VLAN). Evolution of the Spanning Tree Protocol. MPLS-based Virtual Private Networks. PART 7: IPv6. NAT and IPv4 exhaustion. Basics of IPv6 protocol and address space. ICMPv6. Source address selection and multihoming. IPv4-IPv6 transition mechanisms.
( reference books)
Slides provided by the teacher.
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9
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ING-INF/05
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81
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Related or supplementary learning activities
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ITA |
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