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Digital transmission and communication networks

01QVVLP

A.A. 2018/19

2018/19

Digital transmission and communication networks (Communication networks)

This course introduces the mathematical foundations of modern digital transmissions and communication networks, with particular emphasis on the architecture of Internet and on the related digital transmission technologies. Inside the general framework of the Bachelor degree in “Electronics and Communication Engineering” this is the fundamental course in the area of telecommunications, giving the basic foundations of both the physical and network layer of modern telecommunication systems. The course is fully given in English.

Digital transmission and communication networks (Digital transmission)

This course introduces the mathematical foundations of modern digital transmissions and communication networks, with particular emphasis on the architecture of Internet and on the related digital transmission technologies. Inside the general framework of the Bachelor degree in “Electronics and Communication Engineering” this is the fundamental course in the area of telecommunications, giving the basic foundations of both the physical and network layer of modern telecommunication systems. The course is fully given in English.

Digital transmission and communication networks (Communication networks)

This course is an introductory class to computer networks, focused specifically on the architecture of the Internet. All the protocol layers are covered, starting from the MAC layer up to application layer.

Digital transmission and communication networks (Digital transmission)

This course introduces the mathematical foundations of modern digital transmissions and communication networks, and it is based on two parts, one related to the architectures of Internet Networks, one the related digital transmission technologies. Inside the general framework of the Bachelor degree in “Electronics and Communication Engineering” this is the fundamental course in the area of telecommunications, giving the basic foundations of both the physical and network layer of modern telecommunication systems. The course is fully given in English.

Digital transmission and communication networks (Communication networks)

For the digital transmission part, the most important learning outcomes are: - knowledge of the main wireless and wired communication channels in terms of their attenuation and available bandwidth - knowledge of the methodologies to mathematically model electrical noise sources and their impact in transmission systems - ability to solve simple signal-to-noise ratio and power budget exercises - knowledge of the basic digital modulations - knowledge of linear distortion effects on digital modulations - ability to solve simple numerical design exercises on transmission systems For the communication networks part, the most important learning outcomes are: - knowledge of the general concepts of communication networks: network topologies, switching techniques (circuit and packet), multiplexing and multiple access techniques, service models (client-server, peer-to-peer), layered protocol architectures, traffic characterization, QoS, error recovery - knowledge of Ethernet and Wi-Fi protocols - knowledge of network and transport protocols in the Internet: IP, TCP/UDP - knowledge of the routing in IP networks - ability to design and plan an IP network - ability to configure an IP network and its routing

Digital transmission and communication networks (Digital transmission)

For the digital transmission part, the most important learning outcomes are: - knowledge of the main wireless and wired communication channels in terms of their attenuation and available bandwidth - knowledge of the methodologies to mathematically model electrical noise sources and their impact in transmission systems - ability to solve simple signal-to-noise ratio and power budget exercises - knowledge of the basic digital modulations - knowledge of linear distortion effects on digital modulations - ability to solve simple numerical design exercises on transmission systems For the communication networks part, the most important learning outcomes are: - knowledge of the general concepts of communication networks: network topologies, switching techniques (circuit and packet), multiplexing and multiple access techniques, service models (client-server, peer-to-peer), layered protocol architectures, traffic characterization, QoS, error recovery - knowledge of Ethernet and Wi-Fi protocols - knowledge of network and transport protocols in the Internet: IP, TCP/UDP - knowledge of the routing in IP networks - ability to design and plan an IP network - ability to configure an IP network and its routing

Digital transmission and communication networks (Communication networks)

The most important learning outcomes are: - knowledge of the general concepts of communication networks: network topologies, switching techniques (circuit and packet), multiplexing and multiple access techniques, service models (client-server, peer-to-peer), layered protocol architectures, traffic characterization, QoS, error recovery - knowledge of Ethernet and Wi-Fi protocols - knowledge of network and transport protocols in the Internet: IP, TCP/UDP - knowledge of the routing in IP networks and of related services: NAT, DHCP. - knowledge of the support of multimedia networking - ability in evaluating the behavior and the performance of the adopted protocols - ability to design and plan an IP network - ability to configure an IP network in terms of addressing and routing

Digital transmission and communication networks (Digital transmission)

For the "Digital transmission" part, the most important learning outcomes are: - knowledge of the main wireless and wired communication channels in terms of their attenuation and available bandwidth - knowledge of the methodologies to mathematically model electrical noise sources and their impact in transmission systems - ability to solve simple signal-to-noise ratio and power budget exercises - knowledge of the basic digital modulations - knowledge of linear distortion effects on digital modulations - ability to solve simple numerical design exercises on transmission systems For the communication networks part, the most important learning outcomes are: - knowledge of the general concepts of communication networks: network topologies, switching techniques (circuit and packet), multiplexing and multiple access techniques, service models (client-server, peer-to-peer), layered protocol architectures, traffic characterization, QoS, error recovery - knowledge of Ethernet and Wi-Fi protocols - knowledge of network and transport protocols in the Internet: IP, TCP/UDP - knowledge of the routing in IP networks - ability to design and plan an IP network - ability to configure an IP network and its routing

Digital transmission and communication networks (Communication networks)

This course has the following prerequisites • a good understanding of the mathematical topics presented in the first two years • an excellent understanding of the methodologies and techniques given during the "Signals and Systems" course

Digital transmission and communication networks (Digital transmission)

This course has the following prerequisites • a good understanding of the mathematical topics presented in the first two years • an excellent understanding of the methodologies and techniques given during the "Signals and Systems" course

Digital transmission and communication networks (Communication networks)

This course has no specific prerequisite.

Digital transmission and communication networks (Digital transmission)

This course has the following prerequisites • a good understanding of the mathematical topics presented in the first two years • an excellent understanding of the methodologies and techniques given during the "Signals and Systems" course

Digital transmission and communication networks (Communication networks)

The class is divided in two parts. Digital transmission part: • Introduction to wireless and wired communication channels in terms of attenuation and bandwidth (4 hours) • Noise in electronic circuits (noise figure concepts) (8 hours) • Baseband digital modulation (PAM), geometrical representation of signals, bit error probability (12 hours) • Spectral properties of baseband digital modulation (4 hours) • Inter-symbol Interference, Nyquist Theorem and introduction to adaptive equalization (8 hours) • Passband modulation formats (PSK, QAM, FSK): bit error probability and spectral properties. (10 hours) • Block diagram of digital receivers (2 hours) • Final system examples: hints on the physical layer standards for ADSL and DVB-T Communication networks part: • General concepts of computer networks: network classification based on the covered area, network topologies, switching techniques (circuit and packet), multiplexing and multiple access techniques, service models (client-server, peer-to-peer), layered protocol architectures, traffic characterization and QoS requirements (10h) • Error recovery and flow control techniques: ARQ window protocols, data-link layer protocols (4h) • Ethernet and Wi-Fi networks (10h) • Network protocols in the Internet: IPv4 and ICMP, IP addressing, ARP (14h) • Routing in the Internet: IP addressing, routing tables, NAT (12h) • Internet transport layer protocols (TCP, UDP) (6h) • Internet application layer protocols (SMTP, POP and IMAP, HTTP, DNS) (4h)

Digital transmission and communication networks (Digital transmission)

The class is divided in two parts. Digital transmission part: • Introduction to wireless and wired communication channels in terms of attenuation and bandwidth (4 hours) • Noise in electronic circuits (noise figure concepts) (8 hours) • Baseband digital modulation (PAM), geometrical representation of signals, bit error probability (12 hours) • Spectral properties of baseband digital modulation (4 hours) • Inter-symbol Interference, Nyquist Theorem and introduction to adaptive equalization (8 hours) • Passband modulation formats (PSK, QAM, FSK): bit error probability and spectral properties. (10 hours) • Block diagram of digital receivers (2 hours) • Final system examples: hints on the physical layer standards for ADSL and DVB-T Communication networks part: • General concepts of computer networks: network classification based on the covered area, network topologies, switching techniques (circuit and packet), multiplexing and multiple access techniques, service models (client-server, peer-to-peer), layered protocol architectures, traffic characterization and QoS requirements (10h) • Error recovery and flow control techniques: ARQ window protocols, data-link layer protocols (4h) • Ethernet and Wi-Fi networks (10h) • Network protocols in the Internet: IPv4 and ICMP, IP addressing, ARP (14h) • Routing in the Internet: IP addressing, routing tables, NAT (12h) • Internet transport layer protocols (TCP, UDP) (6h) • Internet application layer protocols (SMTP, POP and IMAP, HTTP, DNS) (4h)

Digital transmission and communication networks (Communication networks)

- General concepts of computer networks: network classification based on the covered area, network topologies, switching techniques (circuit and packet), multiplexing and multiple access techniques, service models (client-server, peer-to-peer), layered protocol architectures, traffic characterization and QoS requirements (10h) - Error recovery and flow control techniques: ARQ window protocols, data-link layer protocols (4h) - Ethernet and Wi-Fi networks (10h) - Network protocols in the Internet: IPv4 and ICMP, IP addressing, ARP (6h) - Routing in the Internet: IP addressing, routing tables, NAT, RIP, OSPF, BGP (8h) - Internet transport layer protocols (TCP, UDP) (6h) - Internet application layer protocols (SMTP, POP and IMAP, HTTP, DNS, peer-to-peer) (6h) - Wireless networks: WiFi and cellular (6h) - Multimedia networking (4h)

Digital transmission and communication networks (Digital transmission)

The class is divided into two parts. Digital transmission part: • Introduction to wireless and wired communication channels in terms of attenuation and bandwidth (4 hours) • Noise in electronic circuits (noise figure concepts) (8 hours) • Baseband digital modulation (PAM), geometrical representation of signals, bit error probability (12 hours) • Spectral properties of baseband digital modulation (4 hours) • Inter-symbol Interference and Nyquist Theorem (8 hours) • Passband modulation formats (PSK, QAM, FSK): bit error probability and spectral properties. (10 hours) • Block diagram of digital receivers (2 hours) • Final system examples. Communication networks part: • General concepts of computer networks: network classification based on the covered area, network topologies, switching techniques (circuit and packet), multiplexing and multiple access techniques, service models (client-server, peer-to-peer), layered protocol architectures, traffic characterization and QoS requirements (10h) • Error recovery and flow control techniques: ARQ window protocols, data-link layer protocols (4h) • Ethernet and Wi-Fi networks (10h) • Network protocols in the Internet: IPv4 and ICMP, IP addressing, ARP (14h) • Routing in the Internet: IP addressing, routing tables, NAT (12h) • Internet transport layer protocols (TCP, UDP) (6h) • Internet application layer protocols (SMTP, POP and IMAP, HTTP, DNS) (4h)

Digital transmission and communication networks (Communication networks)

Digital transmission and communication networks (Digital transmission)

Digital transmission and communication networks (Communication networks)

Digital transmission and communication networks (Digital transmission)

Digital transmission and communication networks (Communication networks)

Theoretical lectures will be complemented by practice classes, which will be devoted to the solution of numerical problems and of small design projects on the course main topics.

Digital transmission and communication networks (Digital transmission)

Theoretical lectures will be complemented by practice classes, which will be devoted to the solution of numerical problems and of small design projects on the course main topics.

Digital transmission and communication networks (Communication networks)

Theoretical lectures will be complemented by practice classes, which will be devoted to network design problems and to the detailed evaluation of the protocol behavior. All the professor's notes on the electronic whiteboard will be made available in the Didattica portal.

Digital transmission and communication networks (Digital transmission)

Theoretical lectures will be complemented by practice classes, which will be devoted to the solution of numerical problems and of small design projects on the course main topics.

Digital transmission and communication networks (Communication networks)

The slides and the handouts followed during the classes will be available on the POLITO Didattica web portal. The official textbook for the first part on digital transmission is: • Benedetto, S., Biglieri, E., “Principles of Digital Transmission With Wireless Applications”, Kluwer Academic Publishers, eISBN: 9780306469619 The book is available in the POLITO library system at the following address http://opac.biblio.polito.it/F/?func=direct&doc_number=000200305&local_base=PTOW When possible, the lecture will follow some chapters of the book and use the same notation. Books suggested as text reference for the second part on communication networks: • A.Pattavina: “Reti di telecomunicazioni", Mc.Graw-Hill (in Italian) • J.F. Kurose, K.W. Ross: 'Computer Networking: A Top-Down Approach', Pearson (English) • J.F. Kurose, K.W. Ross: 'Reti di calcolatori e Internet: un approccio top-down', Pearson Italia (in Italia) The exercises on network protocols and on the design of IP networks will follow: • A.Bianco, C.Casetti, P.Giaccone, Esercitazioni di reti telematiche, CLUT (in Italian)

Digital transmission and communication networks (Digital transmission)

The slides and the handouts followed during the classes will be available on the POLITO Didattica web portal. The official textbook for the first part on digital transmission is: • Benedetto, S., Biglieri, E., “Principles of Digital Transmission With Wireless Applications”, Kluwer Academic Publishers, eISBN: 9780306469619 The book is available in the POLITO library system at the following address http://opac.biblio.polito.it/F/?func=direct&doc_number=000200305&local_base=PTOW When possible, the lecture will follow some chapters of the book and use the same notation. Books suggested as text reference for the second part on communication networks: • A.Pattavina: “Reti di telecomunicazioni", Mc.Graw-Hill (in Italian) • J.F. Kurose, K.W. Ross: 'Computer Networking: A Top-Down Approach', Pearson (English) • J.F. Kurose, K.W. Ross: 'Reti di calcolatori e Internet: un approccio top-down', Pearson Italia (in Italia) The exercises on network protocols and on the design of IP networks will follow: • A.Bianco, C.Casetti, P.Giaccone, Esercitazioni di reti telematiche, CLUT (in Italian)

Digital transmission and communication networks (Communication networks)

The course will follow strictly the textbook: - J.F. Kurose, K.W. Ross: 'Computer Networking: A Top-Down Approach',VI edition, Pearson (English), The slides are taken from: http://www-net.cs.umass.edu/kurose- ross-ppt-6e/ The exercises on network protocols and on the design of IP networks will follow: - A.Bianco, C.Casetti, P.Giaccone, Esercitazioni di reti telematiche, CLUT (in Italian)

Digital transmission and communication networks (Digital transmission)

The slides and the handouts used in class will be available on the POLITO Didattica web portal. The official textbook for the first part on digital transmission is: • Benedetto, S., Biglieri, E., “Principles of Digital Transmission With Wireless Applications”, Kluwer Academic Publishers, eISBN: 9780306469619 The book is available in the POLITO library system. When possible, the lecture will follow some chapters of the book and use the same notation.

Digital transmission and communication networks (Communication networks)

Modalità di esame: prova scritta;

Digital transmission and communication networks (Digital transmission)

Modalità di esame: prova scritta; prova orale facoltativa;

Digital transmission and communication networks (Communication networks)

The exam will be written for both parts. Each part can be taken independently. Oral part are optional, according to the rules described below, separately on the two parts of the Course. The exam for the part on Digital Transmission is based on: - 2-3 numerical exercises, similar to those that will be solved during the course. - 2-3 theoretical questions, requiring a free-text answer. The exam will last two hours and it will be scored on a full scale up to 30. The evaluation of the written exam is based on the correct development of the proposed exercises from the description of the symbolic-formula solutions up to the numerical results. The theoretical questions will be judged according to the completeness of the answers, but also on the ability of the students to reply in a concise way. This written exam is a “closed-book exam”. During the written exam the student can use only: • A pocket calculator (NO laptop, tablets etc. Any type of cellphone should be switched OFF) • A 4 pages (max) summary of formulas written by the student herself/himself (4 pages total, meaning 2 sheets if one writes on the front and back of each sheet) • Optionally, the tables of numerical values for the erfc function and of Fourier transforms • No other technical material is allowed (thus no books, handouts, old exercises, etc) The students who will get a score above 15/30 at the written exam can ask for an optional oral exam, where the questions will mostly regard the theoretical aspects of the course. The optional oral exam is always organized a few days after the written exams. It gives rise to -3 to +3 points that are added to the result of the written exam. The written exam on the Digital Transmission part proposes exercises that allows to judge if the student knows the topic of the course and is able to apply this knowledge to solve some simplified design examples on modern digital transmission systems. The open questions allows to judge if the student has acquired the most relevant theoretical topic of the course. During the written exam, the students will be allowed to carry with them a pocket calculator, paper and pen and two pages of formulas written by themselves. No other material will be allowed (such as laptops, handouts, etc). The written exam for the part on communication networks lasts 70 minutes and it is based on three questions with open answers, covering all the topics covered in the class. This written exam will judge if the student has acquired the ability to handle the basic networking techniques that are used in the Internet and related standards. Both parts must be passed with >= 18 grade to able to pass the exam. The final grade will be obtained by averaging the grades of both parts.

Digital transmission and communication networks (Digital transmission)

The exam will be written for both parts. Each part can be taken independently. Oral part are optional, according to the rules described below, separately on the two parts of the Course. The exam for the part on Digital Transmission is based on: - 2-3 numerical exercises, similar to those that will be solved during the course. - 2-3 theoretical questions, requiring a free-text answer. The exam will last two hours and it will be scored on a full scale up to 30. The evaluation of the written exam is based on the correct development of the proposed exercises from the description of the symbolic-formula solutions up to the numerical results. The theoretical questions will be judged according to the completeness of the answers, but also on the ability of the students to reply in a concise way. This written exam is a “closed-book exam”. During the written exam the student can use only: • A pocket calculator (NO laptop, tablets etc. Any type of cellphone should be switched OFF) • A 4 pages (max) summary of formulas written by the student herself/himself (4 pages total, meaning 2 sheets if one writes on the front and back of each sheet) • Optionally, the tables of numerical values for the erfc function and of Fourier transforms • No other technical material is allowed (thus no books, handouts, old exercises, etc) The students who will get a score above 15/30 at the written exam can ask for an optional oral exam, where the questions will mostly regard the theoretical aspects of the course. The optional oral exam is always organized a few days after the written exams. It gives rise to -3 to +3 points that are added to the result of the written exam. The written exam on the Digital Transmission part proposes exercises that allows to judge if the student knows the topic of the course and is able to apply this knowledge to solve some simplified design examples on modern digital transmission systems. The open questions allows to judge if the student has acquired the most relevant theoretical topic of the course. During the written exam, the students will be allowed to carry with them a pocket calculator, paper and pen and two pages of formulas written by themselves. No other material will be allowed (such as laptops, handouts, etc). The written exam for the part on communication networks lasts 70 minutes and it is based on three questions with open answers, covering all the topics covered in the class. This written exam will judge if the student has acquired the ability to handle the basic networking techniques that are used in the Internet and related standards. Both parts must be passed with >= 18 grade to able to pass the exam. The final grade will be obtained by averaging the grades of both parts.

Digital transmission and communication networks (Communication networks)

Exam: written test;

Digital transmission and communication networks (Digital transmission)

Exam: written test; optional oral exam;

Digital transmission and communication networks (Communication networks)

The exam for the module Communication Network is written and "closed-book"; it lasts 70 minutes. It is based on three questions with open answers, covering all the topics covered in the class. One question will be devoted to evaluate the different abilities detailed above in the design and evaluation of communication networks, and two other questions to evaluate the expected knowledge detailed above on the network protocols adopted in the Internet. The grade for the written exam referred to the module Communication Network will be in the range [18-33]. The final grade will be the average of the two modules, i.e.: round(0.5*(grade(Communication network)+grade(Digital transmission))

Digital transmission and communication networks (Digital transmission)

The exam will be written for both parts. Each part can be taken independently. The oral part is optional, according to the rules described below. The exam for the part on Digital Transmission is based on: - 2 numerical exercises, similar to those solved during the course. - 2 theoretical questions, requiring a free-text answer. The exam will last two hours and it will be scored on a full scale up to 30. The evaluation of the written exam is based on the correct development of the proposed exercises, from the description of the symbolic-formula solutions up to the numerical results. The theoretical questions will be judged according to the completeness of the answers, but also on the ability of the students to reply in a concise way. This written exam is a “closed-book exam”. During the written exam the student can use only: • A pocket calculator (NO laptop, tablets etc. any type of cellphone should be switched OFF) • A 4 pages (max) summary of formulas written by the student herself/himself (4 pages total, meaning 2 sheets if one writes on the front and back of each sheet) • Optionally, the tables of numerical values for the erfc function and of Fourier transforms • No other technical material is allowed (thus no books, handouts, old exercises, etc) The students who will get a score above 15/30 at the written exam for "Digital Transmission" can ask for an optional oral exam, where the questions will mostly regard the theoretical aspects of the course. The optional oral exam is always organized a few days after the written exams. It gives rise to -3 to +3 points that are added to the result of the written exam. The written exam on the Digital Transmission part proposes exercises that allow to judge if the student knows the topics of the course and is able to apply this knowledge to solve some simplified design examples on modern digital transmission systems. The open questions allows to judge if the student has acquired the most relevant theoretical topics of the course. The grade for the module "Digital Transmission" will be in the range [18-33]. The final grade for the joint exam "Digital transmission and Communication network" will be the average of the two modules, i.e. round(0.5*(grade(Communication network)+grade(Digital transmission))



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