Course number

Course Title

Online materials and links

ICT 6611

“Advanced Digital Communication”

Resources/Lecture materials

ICT 6612

“Advanced Optical Communication”

Resources/Lecture materials

ICT 6613

“Mobile and Wireless Communications”

Resources/Lecture materials

ICT 6615

“Teletraffic Engineering”

Resources/Lecture materials

ICT 6611: Advanced Digital Communications: 3 Credits

Characteristics of different types of channels, storage channels; Digital modulation schemes, Digital Transmission: Mapping, impulse shaping, receiver design, inter-symbol interference, eye diagram, noise, symbol error probability for multilevel transmission, partial response technique; Equivalent baseband channel; Equalizer, adaptive equalizer; System design with joint Nyquist and matched filter condition; Orthogonal signals, correlation receiver and equivalent matched filter receiver; Optimum detection: Bayes, maximum Likelihood (ML) and Maximum Aposteriori Probability (MAP) detection, ML symbol by symbol and sequence detection, soft and hard decision, Viterbi algorithm, Viterbi equalizer; Soft input decoding of convolution codes; Principle of Code division Multiplex and Access (CDMA), near-far problem, multi-user interference, synchronous orthogonal receiver; Time varying multipath channels for mobile communication, time and Doppler-variant transfer function, statistical channel description, scattering function, AWGN channel with Rayleigh fading, error probability; Principles of Turbo Coding.

ICT 6612: Advanced Optical Communication: 3 Credits

Introduction to optical communication: Communication system, basic optical communication system, evolution of optical communication, advantages and disadvantages of optical communication; Optical fiber waveguides: construction, classification of fiber, modes of light propagation, transmission characteristics; Optical sources: Light emitting diodes (LED), semiconductor laser diodes, Optical detectors: p-n photodiode, p-i-n photodiode and avalanche photodiodes (APDs); Fiber connection: Fiber joints and fiber couplers, wavelength MUX and DEMUX, optical add-drop MUX; Optical amplifiers: Optoelectronic amplifiers, fiber amplifiers, Raman and Brillouin amplifiers; Optical modulation and detection schemes, direct and coherent detection receivers; Configuration, operation, noise sources, sensitivity and loss calculation and performance curves; Digital and analog receivers; Fiber nonlinearities: Kerr effects- SPM, XPM and FWM; scattering effects- SRS and SBS; Transmission link analysis: point-to-point and point-to-multi point links, system configuration, link power budget, line-coding schemes. Optical multiplexing schemes: WDM, OFDM, OTDM and OCDMA; Optical networks.

ICT 6613: Mobile and Wireless Communications: 3 Credits

Introduction and history of wireless systems, Cellular systems, Wireless LANs, Satellite systems, Paging systems; Radio propagation: free space propagation, propagation mechanisms, link budget design using path loss model, outdoor propagation models, indoor propagation models; Introduction to small-scale fading, impulse response model of multipath fading, parameters of multipath channel, type of small scale fading, Rayleigh and Ricean distribution; Media access control: FDMA, TDMA and CDMA, Aloha, CSMA, MACA; GSM overview: standards, service and structure, GSM air interface physical layer: physical channels, logical channels, frame structures, modulation, coding and interleaving, GSM signaling: Data link layer, radio resource management, mobility management, handover location update and roaming in GSM; Short message service (SMS), circuit switched data, General packet radio service (GPRS), Enhanced GPRS (EGPRS); CDMA digital signal system (IS-95); Forward CDMA channel, Reverse CDMA channel; Satellite mobile communication: history localization, handover, routing: broadcast systems: unidirectional distribution systems, DAB-architecture, DVB-container; WCDMA in 3rd generation system, difference between WCDMA and 2G air interface, 3rd generation standards.

ICT 6615: Teletraffic Engineering: 3 Credits

Introduction, traffic sources, resources, operational modes and traffic, unit of traffic, inter-arrival time and call holding time, traffic variation and busy hours; Random variables: Random variables, probability distribution function, probability density function, moments, Bernoulli random variable, uniform and discrete random variable, Binomial distribution, Poisson distribution, negative exponential distribution, quality of service circuit switching voice networks, packed switched networks, probability of traffic systems, Models for circuit switched networks, Kendall notation, Erlang's loss formula (M/M/n/n) and examples, marginal utility, Wilkinson's model, equivalent random method and examples, overflow routing in circuit switched networks, Models for packet switched networks: M/M/1, M/G/1, M/G/1 priority queues, Erlang's delay formula (M/M/n), system simulation: Random number and random variable generation, event-by-event simulation method, sampling theory, simulation program organization, use of GSPN and other simulation tools.