Course detail
Theory of Communication
FEKT-MTSDAcad. year: 2012/2013
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
Number of ECTS credits
Mode of study
Guarantor
Department
Learning outcomes of the course unit
Prerequisites
Co-requisites
Planned learning activities and teaching methods
Assesment methods and criteria linked to learning outcomes
Course curriculum
Digital communication system. Mediums for data transfer.
Noise in communication systems. Receiving of disturbed signal.
Amplitude and frequency modulations and keyings.
Phase modulation and keying. Problems of BPSK data transfer.
Reducing of intersymbol interference (ISI). Synchronization. Scrambling.
Equalizers. Modern discrete modulations with harmonic carrier (QPSK, 8PSK, OK-QPSK, MSK, FFSK, GMSK, pi/4-DQPSK, MQAM).
Digital representation of analog signal. Quantization.
Pulse modulations (PAM, PDM, PPM, PWM, PCM, DPCM, DM, SDM).
Multiplexing and multiple access. OFDM.
Modulations in optoelectronics. Effect of the noise in passband.
Systems of digital subscriber lines (xDSL).
Introduction to the information theory. Trellis coding.
Work placements
Aims
Specification of controlled education, way of implementation and compensation for absences
Recommended optional programme components
Prerequisites and corequisites
Basic literature
Recommended reading
Classification of course in study plans
Type of course unit
Lecture
Teacher / Lecturer
Syllabus
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
Teacher / Lecturer
Syllabus
PCM, DPCM, DM.
Formats of digital signals. Their parameters in the time and frequency domains.
ASK, BFSK, DPSK.
Test (10 points). Shift keying I.
Shift keying II.
Exercise in computer lab
Teacher / Lecturer
Syllabus
BPSK.
QPSK.
MSK and GMSK.
Data communication bz means of modem.
Testing and credit hour.
Laboratory exercise
Teacher / Lecturer
Syllabus
BPSK.
QPSK.
MSK and GMSK.
Data communication bz means of modem.
Testing and credit hour.