Course detail

Communication Theory

FIT-TSDAcad. year: 2013/2014

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.

Language of instruction

Czech

Number of ECTS credits

Mode of study

Not applicable.

Guarantor

Ing. Radim Číž, Ph.D.

Department

Department of Telecommunications (UTKO)

Learning outcomes of the course unit

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

Prerequisites

Knowledge on transmission and processing of electrical and electromagnetic signals.

Co-requisites

Not applicable.

Planned learning activities and teaching methods

The course uses teaching methods in form of Lecture - 3 teaching hours per week, Exercise - 1 teaching hour per week, Computer exercise - 1 teaching hour per week, Laboratory exercise - 1 teaching hour per week.

Assesment methods and criteria linked to learning outcomes

All laboratory measurements and professional trainings are compulsory. If the student duly apologize his/her absence, missed exercises, measurements and trainings could be repeated in agreement with the teacher, usually at the last week of the teaching period.

Course curriculum

    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.

Work placements

Not applicable.

Aims

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.

Specification of controlled education, way of implementation and compensation for absences

Concurrent checking of workbooks in the laboratory and computer practice.
Eavuated activities:
  • professional training 10 points,
  • computer exercises 10 points,
  • active laboratory work 10 points,
  • final examination 70 points.

Recommended optional programme components

Not applicable.

Prerequisites and corequisites

Not applicable.

Basic literature

Not applicable.

Recommended reading

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.

Classification of course in study plans

  • Programme IT-MSC-2 Master's

    branch MGM , 0 year of study, winter semester, elective
    branch MIN , 0 year of study, winter semester, elective
    branch MIS , 0 year of study, winter semester, elective
    branch MBI , 0 year of study, winter semester, elective
    branch MBS , 0 year of study, winter semester, elective
    branch MMI , 0 year of study, winter semester, elective
    branch MMM , 0 year of study, winter semester, elective
    branch MPV , 0 year of study, winter semester, elective
    branch MSK , 0 year of study, winter semester, elective

Type of course unit

 

Lecture

39 hod., optionally

Teacher / Lecturer

Ing. Radim Číž, Ph.D.

Syllabus

  • 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.

Fundamentals seminar

13 hod., optionally

Teacher / Lecturer

Ing. Radim Číž, Ph.D.

Syllabus

  • 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.

Laboratory exercise

13 hod., compulsory

Teacher / Lecturer

Ing. Radim Číž, Ph.D.

Exercise in computer lab

13 hod., optionally

Teacher / Lecturer

Ing. Radim Číž, Ph.D.

Syllabus

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