Digital Communications

Higher education teachers: Umek Anton

Subject description

Prerequisits:

• Enrollment in the study year.

Content (Syllabus outline):

• Analog transmission basics: signal spectrum, signal distortion and noise. Wired telephone channel, mobile wireless channel. Amplitude, phase and frequency modulation. RF spectrum allocation and mixing. Waveform coding: signal sampling and quantization.
• Baseband data transmission with pulse amplitude modulation. Intersymbol interference and receiver equalization.
• Channel coding, error detection and error correction. Block codes and convolutional codes.
• Binary and multi-level digital passband modulation techniques: amplitude, phase, frequency and combined shift-keying. Multicarrier modulation techniques.
• Multiple access to a common medium with resource division. Multiple access techniques in various signal domains: spatial, frequency, time and code. Channel allocation methods: static, random and on-demand.
• Multiple antenna transmission systems (MIMO).
• Digital audio and video broadcasting techniques (DAB and DVB). Wired and wireless access-network techniques overview: DSL, from GSM to LTE-Advanced.

Objectives and competences:

• Learning about basic principles of signal transmission including how to deal with the various problems on wired and wireless channel.
• Knowledge of the transmission media limitations and adequate communication signal processing methods to use the available physical-media transmission capacity.

Intended learning outcomes:

Understanding the methods for efficient data transmision over the physical communication channel. Knowledge of the current wired and wireless transmission technologies.

Learning and teaching methods:

Lectures and practical laboratory work.

Study materials

Readings:

1. Sašo Tomažič, Digitalne komunikacije, Založba FE, 2014.
2. Anton Umek, Digitalne komunikacije: študijsko gradivo in navodila za laboratorijske vaje. Ljubljana, 2012,
3. Andy Bateman, Digital Communications: Design for the Real Word, Addisaon Wesley, 1999.
4. Bernard Sklar, Digital Communications: Fundamentals and Applications, Prentice Hall, 2001.