Syllabus academic year 2009/2010
(Created 2009-08-11.)
DIGITAL TRANSMISSION ENGINEERINGEIT010

Higher education credits: 7,5. Grading scale: TH. Level: A (Second level). Language of instruction: The course will be given in English. Compulsory for: MWIR2. Optional for: C4, C4ks, D4, D4ks, E4, E4ks. Course coordinator: Professor John Andersson, anderson@eit.lth.se, Inst för elektro- och informationsteknik. Recommended prerequisits: ETT051 Digital communication. Assessment: Final grade is based 40% on 5 homework problem sets and 60% on the final examination. Further information: The course will be given in English. Home page: http://www.eit.lth.se/course/eit010.

Aim
The course aims to

Knowledge and understanding
For a passing grade the student must

Skills and abilities
For a passing grade the student must

Judgement and approach
For a passing grade the student must

Contents
Introduction. Review of pulse, PSK and FSK modulation. Basic signal space analysis. Spectrum and error probability.

Simple channels. Guided (coax, wire, fibre) and voice modem channels. Radio propagation and antennas, noise, and detailed link budgets. Space channels.

Difficult channels. Multipath, refraction, reflection; terrestrial link design. Rayleigh and Rician fading channels, diversity and other fading transmission techniques. Time and frequency dispersion in mobile channels, statistical characterization of mobile channels, types of mobile channels. Introduction to equalization.

Phase synchronization. The analogue phase-lock loop and its responses to transients, noise and signal waveforms. Raised-power, remodulation, and Costas circuits. Acquisition-mode synchronization. Phase noise. System design examples with synchronization.

Symbol synchronization. Review of z-transforms and transformations from analog responses. Digital PLLs and their stability. Loops based on accumulators, zero crossings and early-late gates.

Network synchronization. PN and similar marker sequences, frame synchronization, and synchronous multiplexing and demultiplexing. Distribution of clock.

Equalizers: Channel modeling. Linear and feedback equalizers.

Literature
Anderson J B: Digital Transmission Engineering, 2nd ed., IEEE Press, New York, 2005.