TLT-5206 Communication Theory, 5 cr
Vesa Lehtinen, Mikko Valkama
|Lecture times and places||Target group recommended to|
Exam and personal project work. The course can be taken either for 5 or 7 credits. In the basic version (5 cr), the scope and level of the personal project works are more narrow than in the extended (7 cr) version.
NOTICE! *** 7 cr implementation is basically needed for those targeting to study transmission techniques in more details ***
The exam and the project work should be done during the same academic year.
Completion parts must belong to the same implementation
The goal is to build basic understanding of signal level issues, signal analysis tools and signal processing techniques encountered and utilized in electrical communications systems.
|Content||Core content||Complementary knowledge||Specialist knowledge|
|1.||SIGNALS AND COMMUNICATION SYSTEMS ** signal spectrum and related concepts; ability to think and understand the behaviour of signals and systems in frequency domain; Fourier transform vs. correlation analysis and spectral density ** random signals and noise; 1st and 2nd order statistics and their significance; probability densities; random signals and spectral density ** signal distortion in transmission; various distortion types and their significance ** transmission system design and the crucial resources and boundaries; bandwidth and power|
|2.||BANDPASS SIGNALS AND SYSTEMS ** understanding and expressing bandpass signals; envelope and phase functions; I/Q representation ** real and complex signals; lowpass equivalent signals and systems; analytic signals and Hilbert transform ** use of complex signals in communications systems; analysis vs. implementation||- analytic signals and Hilbert transform and their significance and applications in communications signal processing in general - complex filters and filtering|
|3.||ANALOG MODULATION ** the concept of carrier modulation; linear modulation techniques; AM, DSB, SSB; VSB; general I/Q modulation ** angle or exponential modulations; phase and frequency modulation ** modulated signals and detection; envelope detector; synchronous detector; frequency detector ** analysis of modulated signals and their performance; spectral contents; operation in noisy channels; effects of interfering signals ** various transmission environments and the selection of modulation||- detailed mathematical analysis or angle modulations - modulators and their circuit implementations - detectors and their circuit implementations - radio receivers and architectural aspects|
|4.||SIGNAL SAMPLING ** waveforms and their disrete-time samples; mathematical models for sampling; discrete sequence of numbers vs. impulse train model; spectral contents of sampled signals ** sampling theorem; lowpass vs. bandpass sampling|
|5.||INTRODUCTION TO DIGITAL TRANSMISSION TECHNIQUES ** discrete information and analog channels; bits, symbols and waveforms ** baseband pulse amplitude modulation (PAM); line coding and Nyquist pulse shaping; symbol alphabets; intersymbol interference (ISI) ** carrier modulation in digital transmission; linear I/Q modulation; digital frequency modulation ** digital vs. analog transmission, pros and cons ** basics of information theory; channel capacity|
|Type||Name||Author||ISBN||URL||Edition, availability, ...||Examination material||Language|
|Book||Communication Systems||A. B. Carlson, P. B. Crilly, J. C. Rutledge||0-07-112175-7||TUT Bookstore, Published by McGraw-Hill||English|
|Summary of lectures||Communication Theory -lecture notes||English|
|SGN-1200 Signal Processing Methods||Obligatory|
|TLT-5100 Introduction to telecommunications||Obligatory|
|Description||Methods of instruction||Implementation|
|Implementation 1|| Lectures
Contact teaching: 0 %
Distance learning: 0 %
Self-directed learning: 0 %