Department of Information & Communication Systems Engineering
University of the Aegean

Department of Information
& Communication Systems Engineering

Information & Communication Systems Security
Information Systems
Artificial Intelligence
Computer & Communication Systems
Geometry, Dynamical Systems & Cosmology
Digital Communications

Title: Digital Communications
Lesson Code: 321-10302
Semester: 7
Theory Hours: 3
Lab Hours: 2
Faculty: Mesaritakis Charis
Content outline

Characteristics of a digital communications system. Characteristics of telecommunications channels. Mathematical models of telecommunications channels. Coding of discrete information sources: PCM, differential PCM, adaptive PCM. Binary representation of signals: PAM, PSK, QAM, FSK, CPFSK, MSK. Spectral characteristics of digitally modulated signals. Optimal receiver for white Gaussian noise. Bit error rate performance of the optimal receiver for different digital modulation techniques. Synchronization. Inter-symbol interference. Orthogonal Frequency Division Multiplexing (OFDM). Multiple Input/Multiple Output (MIMO) transmission.

Learning outcomes

The main goal of the course is to familiarize the students with the theory of modern digital communications and to deepen their knowledge on the philosophy of digital communication systems. The course allows the students to develop their skills in performance evaluation of communication systems using Matlab and Simulink and to understand various relevant performance metrics. Finally, by simulating modern communication systems (digital modulaton, coding, OFDM, MIMO), the student will understand their mode of operation.

Not required.
Basic Textbooks

1. B. Sklar, Digital Communications, 2nd version, ISBN 978-960-491-019-9.

2. J. Proakis & M. Salehi, Telecommunications Systems, ISBN: 960-8313-04-Χ.

Additional References

1. IEEE Communications Magazine

2. IEEE Wireless Communications

3. IEEE Communications Surveys & Tutorials

4. IEEE Transactions on Communications

5. IEEE Transactions on Wireless Communications

6. IEEE Access

Learning Activities and Teaching Methods

Written exam on the theory of digital communication system (60% of the overall score)

Reports of laboratory excercises (30% of the overall score)

Two semester projects based on litarature survey (10% of the overall score)

Assessment/Grading Methods


Activity Semester workload
Lectures 39 hours
Laboratory hours 30 hours
Personal study 42 hours
Ομαδικές εργασίες 11 hours
Final exams 3 hours
Course total 125 hours (5 ECTS)


Language of Instruction
Greek, English (for Erasmus students)
Μode of delivery


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