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Lecturer(s)
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Kopecký Dušan, doc. Ing. Ph.D.
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Course content
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The subject part will be experimental verification of the properties of digital modulation of coded signals or direct code modulations using modern instrumentation in combination with the existing infrastructure of the subject. Content: *Basic features of digital modulators, mathematical description of linear and non-linear modulations. *Overview of PAM digital modulations, modulations with single carrier, more carriers and multiple carriers. Spectral characteristics of modulation. Experimental verification. *Additive channel with AWGN, optimal detection and receivers. *Generation and detection of code modulations with memory, Viterbi algorithm and its variants. Verification of algorithms through simulations using a computer model. *LTI channels, linear equalization, MLS equalization, blind equalization, direct and feedback equalization, equalization filters. Verification by simulations on a computer model. *Phase and frequency synchronization. Experimental Phase Synchronization Verification. *Symbol and frame synchronization. Experimental verification of symbol synchronization. *Random LTV channels, its mathematical description, random channel models. *Adaptive equalization. Experimental verification of adaptive equalization filters. *Digital repeaters: transparent ones, with demodulation, echo supression *Modern radio-communications systems: cognitive radio networks, MIMO systems.
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Learning activities and teaching methods
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Monologic (reading, lecture, briefing), Methods of individual activities, Laboratory work
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Learning outcomes
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The aim of this subject is to be familiar with the problems of spectral properties of digital modulations, codes used in digital modulations or directly with kinds of code modulations. Further content will be devoted to the subsequent demodulation and decoding of sequences/symbols and principles of iterative decoding.
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Prerequisites
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unspecified
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Assessment methods and criteria
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Oral examination, Written examination, Home assignment evaluation
The student completes at least 3 consultations during the semester concerning the theoretical content of the course. The student will pass at least 2 consultations concerning the assigned practical work. As part of the practical work, the student will work out the topic concerning digital modulation/demodulation and coding / decoding. The relevant topic will be determined with regard to the topic of dissertation. Functionality will be validated on laboratory facility.
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Recommended literature
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Haykin S. Adaptive Filter Theory 5th ed.. Pearson Inc., 2014. ISBN 0-273-76408-3.
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Sýkora, Jan. Teorie digitální komunikace. Praha: Vydavatelství ČVUT, 2002. ISBN 80-01-02478-4.
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Yang, Hong-Chuan. Introduction to Digital Wireless Communications. ISBN 978-178561-160-5.
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