Department of Physics

18101  Digital Communications   

Course Webpage: https://eclass.uoa.gr/courses/PHYS321/

Course Content

• Introduction to telecommunication systems.
• Digital telecommunication systems. Digitization of analog signals: sampling, pulse shaping and pulse code modulation systems.
• Pulse shaping, intersymbol interference (ISI), equalizers and matched filters.
• Digital modulation techniques, geometric representation of digital signals and constellations (M-PAM, M-PSK M-QAM and M-FSK), error probability, union bound.
• Fundamentals of communication channel modeling and link budgeting.
• Filters and noise models.
• Fundamental concepts for error analysis of uncoded digital communications.
• Introduction to error correction techniques.
• Detection techniques.
• Linear Block codes
• Cyclic Codes
• Convolutional codes
• Trellis diagram, Viterbi decoders
• Non-binary codes (Reed-Solomon)