CODE 104631 ACADEMIC YEAR 2023/2024 CREDITS 5 cfu anno 1 INTERNET AND MULTIMEDIA ENGINEERING 10378 (LM-27) - GENOVA SCIENTIFIC DISCIPLINARY SECTOR ING-INF/03 LANGUAGE English TEACHING LOCATION GENOVA SEMESTER 1° Semester TEACHING MATERIALS AULAWEB OVERVIEW The class aims at giving the students a review of the basic knowledge about signal theory, random phenomena, analog modulations and digital signal processing. The specific objective is to enhance the initial preparation of the students on basic topics of fundamental relevance for the master course, increasing their opportunity to effectively exploit the advanced content of the other courses. AIMS AND CONTENT LEARNING OUTCOMES The class aims at giving the students a review of the basic knowledge about signal theory, random phenomena, analog modulations, digital signal processing, and telecommunication networks. The specific objective is to enhance the initial preparation of the students on basic topics of fundamental relevance for the master course, increasing their opportunity to effectively exploit the advanced content of the other courses. AIMS AND LEARNING OUTCOMES The main goal of the classes is to enhance the initial preparation of the students on basic topics about signal theory, random phenomena, analog modulations, digital signals and digital signal processing. The class involves four parts. The first part is dedicated to the signal theory: characteristics of electric signals, signal classifications, time and frequency domain, linear time invariant system, sampling theory and hints of pulse modulation coding (PCM), pulse amplitude modulation (PAM), multiplexing. The second part introduces and describes the random phenomena, starting with a review of probability concept, following with random variables and random signals theory. The third part is focused on analog modulations, from generic band-pass signal properties to linear (AM - DSB) and angular (PM - FM) modulations, with hints to SSB and VSB. The fourth part treats digital signal processing. More specifically, it presents discrete time signals and systems theory, the Z-transform and Fourier transform of sequences (DFT and FFT), digital filters and hints about discrete system structures. PREREQUISITES This course does not require any prerequisites.. TEACHING METHODS Combination of traditional lectures and possibly few laboratory experimental activities. SYLLABUS/CONTENT Analog electrical signal properties: voltage, current, power, available power of a signal source Fundamentals of transmission line theory Linear time invariant systems: pulse response, convolution, transfer function The Fourier transform: definition and property, bandwidth, energy and power spectrum Hints about memoryless non linear systems Sampling theory, Nyquist theorem, aliasing, reconstruction, real sampling (sample&hold, chopper) Uniform (withy hints about non uniform) quantization Hints of PAM, PCM and multiplexing (TDM, FDM) Probability: definitions, conditioned probability, Bayes theorem, Bernoulli trials, Gauss and Poisson approximations, law of large numbers Random variables: definition and properties (mean, variance), probability distribution and density functions, uniform, Gaussian, Rayleigh random variables, functions of random variables, two random variables properties (joint density and distribution, covariance, correlation), conditioned averages and distributions, central limit theory Random processes: definition and properties, mean, self-correlation, self-covariance, white noise, power spectrum, Wiener Khinchin theorem, superposition and modulation, thermal noise Analog modulations: bandpass to lowpass decomposition, Rice decomposition, linear modulations (AM – DSB, hints of SSB and VSB), angular modulations (PM, FM) Digital signal processing: discrete time signal (sequences and processing with sequences), discrete time systems (linearity and shift invariance property), pulse response, stability, linear difference equations, Z-transform and Fourier transform of sequences, sampling, Discrete Fourier Transform (DFT) hints of the Fast Fourier Transform (FFT), frequency analysis of linear time invariant systems, infinite impulse response and finite impulse response digital filters and hints about their structures. RECOMMENDED READING/BIBLIOGRAPHY Course material on Aulaweb: copy of all lecture slides A. B. Carlson, P. B. Crilly, Communications Systems (5th Edition), McGraw-Hill Education, 2009 J. F. Kurose, K. W. Ross, Computer Networking: A Top-Down Approach, 6th Edition, MacGraw-Hill, 2013. Alan V. Oppenheim, Ronald W. Schafer, and John R. Buck. Discrete-Time Signal Processing. Prentice Hall, Upper Saddle River, New Jersey, 1999. Students with disabilities or learning disorders can use specific modalities and supports that will be determined on a case-by-case basis in agreement with the Delegate of the Engineering courses in the Committee for the Inclusion of Students with Disabilities. Students are invited to contact the teacher of this course and copy the Delegate (https://unige.it/commissioni/comitatoperlinclusionedeglistudenticondisa…). TEACHERS AND EXAM BOARD ALDO GRATTAROLA ALESSANDRO ISCRA Exam Board ALDO GRATTAROLA (President) ALESSANDRO ISCRA ROBERTO BRUSCHI (President Substitute) LESSONS LESSONS START https://corsi.unige.it/10378/p/studenti-orario Class schedule The timetable for this course is available here: Portale EasyAcademy EXAMS EXAM DESCRIPTION The exam consists of a written test and an oral test. The written test can also be dealt with by two parts, relating to the program carried out in the parts composing the course (Analog signal processing and analog transmissions, dogital signal processing) Written tests consist of solving problems. The marks of the written and oral tests are considered both for the determination of the final grade, according to a non-mathematical criterion that holds account of the overall evaluation of the candidate. Students with learning disorders ("disturbi specifici di apprendimento", DSA) will be allowed to use specific modalities and supports that will be determined on a case-by-case basis in agreement with the delegate of the Engineering courses in the Committee for the Inclusion of Students with Disabilities. ASSESSMENT METHODS The written exam is aimed to evaluate the problem solving skills of the students. The oral exam is aimed to evaluate the understanding of the theory. Exam schedule Data appello Orario Luogo Degree type Note 15/02/2024 10:00 GENOVA Esame su appuntamento 13/09/2024 10:00 GENOVA Esame su appuntamento FURTHER INFORMATION Students with disabilities or learning disorders can use specific modalities and supports that will be determined on a case-by-case basis in agreement with the Delegate of the Engineering courses in the Committee for the Inclusion of Students with Disabilities. Students are invited to contact the teacher of this course and copy the Delegate (https://unige.it/commissioni/comitatoperlinclusionedeglistudenticondisa…). Agenda 2030 - Sustainable Development Goals Quality education Decent work and economic growth
