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TLT-5406 Digital Transmission, 7 cr |
Mikko Valkama, Markku Renfors
Lecture times and places | Target group recommended to | |
Implementation 1 |
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Exam or two mid-term exams and successfully completed Matlab project.
Completion parts must belong to the same implementation
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Give basic knowledge of the signal processing techniques used in digital transmission systems. Elements of digital transmission chain: source coding, channel coding, modulation, equalization, and synchronization.
Content | Core content | Complementary knowledge | Specialist knowledge |
1. | Information Theoretic Foundation of Electical Communication: - Information, entropy, and mutual information; - Maximal mutual information and channel capacity; - Source coding vs. channel coding. | - Capacity of frequency-selective and fading channels | |
2. | Baseband and Bandpass Digital Transmission: - Bits, symbols, and waveforms; - Baseband pulse amplitude modulation (PAM), Nyquist pulse-shaping, line coding; - Linear I/Q modulation, real and complex symbol alphabets; - Digital frequency modulation techniques. | - Basics of partial response (PR) signaling - Scrambling - Carrier and symbol timing recovery (synchronization) | |
3. | Performance of Digital Transmission Chains: - Effects of additive noise, symbol & bit errors and their probability, Gray mapping; - Spectral efficiency and related concepts, connections to channel capacity theorem. | ||
4. | Detection Theory and Intersymbol Interference (ISI) Mitigation: - Basics of statistical decision making and detection, maximum likelihood (ML) and maximum a posteriori (MAP) principles; - Signal space concepts and connection to practical waveforms, sufficient statistics; - Detection of single symbols, matched filtering (MF); - Detection of symbol sequences; - Optimal receiver front-end, signal space arguments, intersymbol interference (ISI); - Zero-forcing (ZF), mean-squared error (MSE) and other optimization principles; - ML sequence detection and Viterbi algorithm; - Channel equalization, linear vs. nonlinear equalizers, adaptive techniques. | - Various adaptive filtering algorithms and their relative performance; convergence properties and other essential characteristics | |
5. | Error Control Coding in Digital Transmission Systems: - Error detection vs. correction vs. prevention, redundancy; - Hard and soft decoding, coding gain; - Block codes and convolutional codes, Viterbi decoding; - Coded modulation and trellis codes; - Interleaving, puncturing. |
Exam, quality of the project work.
Numerical evaluation scale (1-5) will be used on the course
Type | Name | Author | ISBN | URL | Edition, availability, ... | Examination material | Language |
Book | Digital Communication | (J.R. Barry,) E. A . Lee and D. G. Messerschmitt | 1.-3. Editions, Kluwer Academic Publishers | English | |||
Lecture slides | Digital Transmission | Markku Renfors, Mikko Valkama | English |
Course | O/R |
SGN-1107 Introductory Signal Processing | Obligatory |
TLT-5206 Communication Theory | Obligatory |
Course | Corresponds course | Description |
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Description | Methods of instruction | Implementation | |
Implementation 1 | Lectures Excercises Practical works Laboratory assignments |
Contact teaching: 0 % Distance learning: 0 % Self-directed learning: 0 % |