Course details

Communication Theory

TES Acad. year 2009/2010 Winter semester 7 credits

Current academic year

Communication systems, basic terms focused on digital modulations. Classification of modulating techniques. Base-band discrete coded modulations. Signal patterns for digital data representation. Intersymbol interference and its reduction. Discrete modulations with harmonic carrier. Main parameters and geometric representation of modulated signals. BFSK, BPSK, D-BPSK, MPSK, QPSK, D-QPSK, O-QPSK, p/4 - QPSK modulations. CPM (CPFSK, MSK, GMSK). M-QAM techniques. Modulating formats with multiple carriers MCM, orthogonal frequency multiplex OFDM. Techniques of reconstruction of reference carrier and time raster for digital modulations.

Guarantor

Berka Milan, doc. RNDr., CSc.

Language of instruction

Czech

Completion

Examination

Time span

  • 39 hrs lectures
  • 13 hrs exercises
  • 13 hrs laboratories
  • 13 hrs pc labs

Department

Department of Telecommunications (UTKO)

Subject specific learning outcomes and competences

Knowledge of principles and typical applications of modern techniques of transmission of the communication and data signals.

Learning objectives

To elaborate actual and to acquire more of the knowledge about the current modern methods of transmission of communication and data signals in base-band and radio-channels.

Prerequisite knowledge and skills

Knowledge on transmission and processing of electrical and electromagnetic signals.

Study literature

  • Žalud, V.: Moderní radioelektronika, Nakladatelství BEN, 2000. ISBN 80-86056-47-3.
  • Šebesta, V.: Teorie sdělování, Studijní opora, VUTIUM, Brno, 1999.
  • Hsu, H.P.: Analog and Digital Communications, Schaum's Outlines, McGraw-Hill, USA, 1993, ISBN 0-07-030636-2.

Fundamental literature

  • Žalud, V.: Moderní radioelektronika, Nakladatelství BEN, 2000, ISBN 80-86056-47-3.
  • Šebesta, V.: Teorie sdělování, VUTIUM, Brno, 1999.
  • Hsu, H.P.: Analog and Digital Communications, Schaum's Outlines, McGraw-Hill, USA, 1993, ISBN 0-07-030636-2.

Syllabus of lectures

  • Basic terms of the theory of communication and data transmission.
  • Communication systems focused on digital modulations. Classification of modulating techniques.
  • Base-band discrete coded modulations.
  • Signal formats for digital data representation. Intersymbol interference (ISI) and its reduction.
  • Digital data filtering. SNR maximization.
  • Two-stage and more-stage discrete modulations with harmonic carriers.
  • Geometric representation of modulated signals. Main groups of digital modulations.
  • BFSK, BPSK, D-BPSK modulations.
  • MPSK, QPSK, D-QPSK, O-QPSK, pi/4 - QPSK modulations.
  • CPM (CPFSK, MSK, GMSK) modulation. M-QAM modulations.
  • Modulating formats with multiple carriers MCM, orthogonal frequency multiplex OFDM.
  • Techniques of reconstruction of reference carrier and time raster for digital modulations.
  • Techniques of signal visualization for discrete modulations. Comparison of the individual techniques.

Syllabus of numerical exercises

  • Transmission and modulating rate. Signals and their spectrum.
  • PCM, DPCM, DM.
  • Formats of digital signals. Their parameters in the time and frequency domains.
  • ASK, BFSK, DPSK.
  • Test. Shift keying I.
  • Shift keying II.

Syllabus of computer exercises

  • Base-band data transmission.
  • BPSK.
  • QPSK.
  • MSK and GMSK.
  • Data communication by means of modem.
  • Testing and credit hour.

Progress assessment

Study evaluation is based on marks obtained for specified items. Minimimum number of marks to pass is 50.

Taking part in all the forms of practical training. Passing the workbooks in a specified quality and form.

Controlled instruction

Concurrent checking of workbooks in the laboratory and computer practice.
Eavuated activities:

  • test 15 points,
  • active laboratory work 15 points,
  • final examination 70 points.

Course inclusion in study plans

Back to top