TELECOMMUNICATION SYSTEMS
Stampa
Enrollment year
2016/2017
Academic year
2018/2019
Regulations
DM270
Academic discipline
ING-INF/03 (TELECOMMUNICATIONS)
Department
DEPARTMENT OF ELECTRICAL,COMPUTER AND BIOMEDICAL ENGINEERING
Course
ELECTRONIC AND COMPUTER ENGINEERING
Curriculum
Elettronica
Year of study
Period
2nd semester (06/03/2019 - 14/06/2019)
ECTS
9
Lesson hours
78 lesson hours
Language
Italian
Activity type
WRITTEN AND ORAL TEST
Teacher
FAVALLI LORENZO (titolare) - 9 ECTS
Prerequisites
Signal theory, modulations, protocols
Learning outcomes
Give students the knowledge to understand problems and technical solutions to operate a communication system. Impact of the environment and of the service type on the preferable solution. Description of the main commercial systems with reference to the studied techniques.
Course contents
Characterization of wired systems. Propagation phenomena and how to design efficient transmission techniques to counteract transmission impairments. Transmission over radio channels. Attenuation, multipath, fading, Doppler effect, crosstalk.

Review of transmission techniques (analog and digital) analog to digital conversion, transmission of baseband digital data: robustness to noise and bandwidth efficiency.

Introduction to traffic theory for performance characterization and and system planning. Kendall's notation, Little's result, transition matrix and state probabilities for Markov systems, birth death processes, examples.

Circuit switched networks: space, time and hybrid circuit switched nodes. Minimization of crosspoints. Blocking probability. Signaling, in-band, out-of band, common channel. Multiplexing in circuit switched networks frequency (FDM), time (TDM) and code (CDM). Duplexing. Sample systems: PDH (alignment, justification), SDH (justification), WDM, OVSF codes.

Packet switched networks. The data Link Layer: line management, link configuration, packet extraction, error control (FEC and ARQ). Sample protocols: HDLC, PPP.
Distributed multiplexing in packet networks: Aloha, Slotted-Aloha, CSMA/*, Token passing.
Local packet based systems. Wired and Wireless Local Area Networks (LAN) in the IEEE 802 set of standards. Short range and sensor networks.

Wide area packet networks. Historical perspective, Frame relay and ATM networks. Quality of service concepts. Evolution and convergence to IP based networks.
Mobile radio systems. Network architecture, sample operational procedures. Evolution (2G, 3G, 4G).

Coding and transmission of digital video. Fundamentals of compression techniques, network architectures for video distribution (DVB, CDN).
Teaching methods
Theoretical lessons given with support of slides and blackboard description of specific topics. Exercises in class to show single applications and solution of exams questions.
Reccomended or required readings
A. Pattavina, "Reti di Telecomunicazioni." McGrawHill
J. Kurose, K. Ross, "Reti di Calcolatori e Internet, un approcco top-down." Pearson
O. Bertazioli, L. Favalli, "GSM-GPRS:" Hoepli
Assessment methods
Exam is composed by a written and an oral test: the written part is composed by numerical exercises and short specific theoredtical questions while the oral starts with a discussion of the writte part and tends to verify the more general understanding of the relationship between the different topics. Grade is sum of grades in oral and written parts (max grade written 17, max grade oral 17). Admission to oral exam is subject to a grade ≥8 in the written test. Note that oral must also be ≥8 to pass.
Further information
Sustainable development goals - Agenda 2030