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| ELK4017 | Digital Communications | 2+0+2 | ECTS:6 | | Year / Semester | Fall Semester | | Level of Course | First Cycle | | Status | Elective | | Department | DEPARTMENT of ELECTRICAL and ELECTRONICS ENGINEERING | | Prerequisites and co-requisites | None | | Mode of Delivery | Face to face, Lab work | | Contact Hours | 14 weeks - 2 hours of lectures and 2 hours of laboratory per week | | Lecturer | Prof. Dr. İsmail KAYA | | Co-Lecturer | Assoc.Prof.Dr. Kadir TÜRK, Prof. Ali Gangal, Assistant Prof. Salim Kahveci | | Language of instruction | Turkish | | Professional practise ( internship ) | None | | | | The aim of the course: | | learning digital communication techniques, performance measures and trends |
| Learning Outcomes | CTPO | TOA | | Upon successful completion of the course, the students will be able to : | | | | LO - 1 : | know digital communication techniques
| 3,11 | 1 | | LO - 2 : | discuss the communication applications | 5,15 | 1 | | LO - 3 : | understand and follow the trends in the communication industry | 9,15 | 1 | | LO - 4 : | know the performance measures, i.e. MSE, BER, Doppler, Offset Frequency, Symbol, coherence | 3,13 | 1 | | CTPO : Contribution to programme outcomes, TOA :Type of assessment (1: written exam, 2: Oral exam, 3: Homework assignment, 4: Laboratory exercise/exam, 5: Seminar / presentation, 6: Term paper), LO : Learning Outcome | | |
| Introduction to Digital Communication: channel capacity; channel sampling; digital channel; AWGN, frequency selective and flat channels; synchronisation, equalization and OFDM; diversity techniques. Digital Modulation Techniques: MPSK, MQASK, MFSK, coherent and noncoherent modulations; performance and spectrum efficiency. Signal Space Methods: optimum receiver, Gram-Schmidt Procedure, MAP Detectors. Error Correcting Codes: linear block, cyclic, convolutional. Spread Spectrum Communication. |
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| Course Syllabus | | Week | Subject | Related Notes / Files | | Week 1 | inroduction to communication systems, analog and digital communication systems, physical channel examples and features, application example (scenarios of FDMA, TDMA, CDMA SDMA) | | | Week 2 | Digital communication channels, channel sampling, SNR and Shannon Channel Capacity, channel characteristics and baseband channel modeling, Doppler spread | | | Week 3 | Baseband Channel Modeling, AWGN, Rayleigh and Ricean type statistical channel models.
Frequency flat and selective fading channels. Introduction the channel matched filter. | | | Week 4 | The channel Matched Filter, channel equalization filter and Orthogonal frequency division multiple access (OFDM) | | | Week 5 | OFDM technique and it requirement for practical applications, guard interval, pilot carrier and channel tracking in OFDM | | | Week 6 | Orthogonal signaling, orthogonal sequences (m-sequences) and synchronisation sequences (PN-sequences), synchronisation and channel estimation. | | | Week 7 | Introduction to digital communication, symbol definition, Performance comparisons using AWGN channel model, errror distance and its SNR limitations | | | Week 8 | Digital communication methods:ASK, FSK, QPSK, QASK, M-FSK, M-QAM, M-QPSK | | | Week 9 | Mid-term exam | | | Week 10 | Performance comparisons of digital modulations, application examples | | | Week 11 | Introduction to MonteCarlo simulation | | | Week 12 | Introduction to source coding | | | Week 13 | linear predictive coding: Hamming and Cyclic Redundancy Codings | | | Week 14 | linear predictive coding: convolutional coding, MLSA (VA) decoder | | | Week 15 | linear predictive coding: Turbo coding/decoding | | | Week 16 | End-of-term exam | | | |
| 1 | Ziemer R. E, Peterson L. R., 2001, Introduction To Digital Communication, 2nd ed. Prentice Hall | | | 2 | Sklar B,, Digital Communications, 2nd Ed., Prentice Hall P.T.R | | | 3 | Ertürk Sarp, Sayisal Haberlesmne | | | |
| 1 | Proakis J.G. Digital Communications, | | | 2 | Tse D., Viswanath P., 2005, Fundamentals of Wireless Communication, Cambridge | | | 3 | Alencar M. S., Rocha V. C.., 2005, Communication Systems", Springer | | | |
| Method of Assessment | | Type of assessment | Week No | Date | Duration (hours) | Weight (%) | | Mid-term exam | 9 | | 2 | 50 | | End-of-term exam | 16 | | 2 | 50 | | |
| Student Work Load and its Distribution | | Type of work | Duration (hours pw) | No of weeks / Number of activity | Hours in total per term | | Yüz yüze eğitim | 3 | 14 | 42 | | Sınıf dışı çalışma | 3 | 12 | 36 | | Arasınav için hazırlık | 1 | 8 | 8 | | Arasınav | 2 | 1 | 2 | | Dönem sonu sınavı için hazırlık | 2 | 6 | 12 | | Dönem sonu sınavı | 2 | 1 | 2 | | Total work load | | | 102 |
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