Digital Communication Systems

Learning Outcomes

Understanding the basic principles of Communication Systems and acquiring essential knowledge and skills regarding the design of Digital Telecommunication Systems.

Indicative Module Content

• Sources of information, entropy, and coding.

• Nyquist theorems (regarding the required bandwidth).

• Analog to digital conversion: Pulse Code Modulation (PCM), Differential Pulse Coding (DPCM), and Delta modulation (DM).

• Introduction to the concept of noise and noise channel modeling (Gaussian white noise additive, AWGN).

• AWGN channel capacity.

• Baseband digital transmission techniques: Pulse Amplitude Modulation (PAM) and Pulse Position Modulation (PPM).

• Optimal detector design for digitally modulated signals in the presence of Additive White Gaussian Noise.

• Intersymbol interference phenomenon and its elimination with raised cosine filters.

• Passband digital modulation techniques: Phase shift keying (PSK), Phase shift and amplitude modulation (QAM), frequency-shift keying (FSK).

• Error probability of digital modulation techniques