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Lecturer(s)
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Juryca Karel, Ing. Ph.D.
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Němec Zdeněk, Ing. Ph.D.
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Course content
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1. Information chain, communication chain, communication channel. Digital modulator: definition of linear and non-linear modulation, modulator structure, modulation function. 2. Modulation without and with memory, output and state equations, modulator grid (state diagram), decomposition of modulation function in signal space, constellation diagram. 3. Digital pulse amplitude modulation (PAM): modulation functions REC, RC, RCS, RRC, Gauss, properties, spectra. 4. Modulators and demodulators of one-dimensional and multidimensional PAM. 5. Digital modulation with carrier wave - ASK, PSK modulation, spectra, energy properties, modulators and demodulators. 6. Digital Carrier Wave Modulation - APSK modulation, QAM, spectra, energy properties, modulators and demodulators. 7. Digital modulation with carrier wave - Linear FSK modulation, spectra, energy properties, modulators and demodulators. 8. Digital modulation with carrier wave - Nonlinear FSK modulation: CPFSK, GMSK, spectra, energy characteristics, modulators and demodulators. 9. Modulation with multiple carrier waves: BOC, QBOC, AltBOC, MBOC, definition, properties, modulators, demodulators. 10. Multicarrier modulation: MTM, OFDM, definition, properties, spectra, modulators and demodulators. 11. Modulation with memory, Channel coding, Lattice modulation. 12. TCM (Ungerboeck codes), free distance messages, carrier recovery.
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Learning activities and teaching methods
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Monologic (reading, lecture, briefing), Dialogic (discussion, interview, brainstorming), Laboratory work
- Preparation for laboratory work and processing of results
- 33 hours per semester
- Home preparation for classes
- 30 hours per semester
- Preparation for an exam
- 30 hours per semester
- Contact teaching
- 30 hours per semester
- Participation in classes
- 57 hours per semester
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Learning outcomes
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The aim of the course is to deepen students' knowledge in the field of communication signals and provide the necessary theoretical basis for understanding and further study of communication systems and subjects dealing with signal processing in communication systems. Emphasis is placed on the spectral and energy properties of individual modulations.
The student will gain an overview of the used methods of modulation and demodulation and a theoretical basis in the field of theory of detection in communications for further study of signal transmission and processing in communications.
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Prerequisites
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Mathematical calculus at the technical university graduates level
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Assessment methods and criteria
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Oral examination, Written examination
During the semester and in the final exam, the student must demonstrate an understanding of the solved problems. The specific requirements will be communicated to the students by the teacher in the first week of the semester.
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Recommended literature
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Bezoušek, P. Diskrétní komunikační techniky. 2018.
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Couch, L. W. Digital and analog communication systems. Upper Saddle River: Prentice Hall, 2001. ISBN 0-130812234.
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McClaning, K. Wireless Receiver Design for Digital Communications. 2nd Edition. New Dehli: SciTech Publishing, 2012. ISBN 978-1-891121-80-7.
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Němec, Z. Elektronická opora k předmětu: Diskrétní komunikační techniky. 2024.
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Proakis, J., G. Digital Communication. McGraw Hill, Inc., 3rd ed, 1996.
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Sýkora, J. Teorie digitální komunikace. Praha: Vydavatelství ČVUT, 2002. ISBN 80-01-02478-4.
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Žalud, V. a Dobeš, J. Moderní radiotechnika. Praha: BEN ? technická literatura, 2006. ISBN 80-7300-132-2.
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