Synchronization and Equalization in Digital Communications

Přednášející:

Cvičící:

Předmět zajišťuje:

katedra radioelektroniky

Anotace:

The core parts of the course cover the parameter estimation and optimal filtration theory and the feed-back systems theory. The theoretical results are applied on the design of synchronizers, equalizers and channel state estimators for digital communication systems. The course also covers the synchronization and equalization for spatial diversity systems and active interference cancellation methods in multiuser systems. The seminars are focused on practical algorithm design using computer simulation.

Požadavky:

Osnova přednášek:

1. Position of synchronization and equalization with respect to data detection in parametric channel.

2. General principles of synchronization and equalization (structure, properties).

3. Elements of parameter estimation and optimal filtration theory (ML, MAP, MSE, LS, Kalman, RLS).

4. Feed-back systems theory - equivalent model, continuous and discrete time systems.

5. Feed-back systems theory - linear and nonlinear analysis.

6. Feed-back systems theory - nonlinear feed-back system with random excitation.

7. Phase synchronization algorithms.

8. Frequency synchronization algorithms.

9. Symbol timing and frame synchronization. Synchronization for CDMA and UWB.

10. Channel state estimators.

11. Equalization (linear - MSE, LMS, Kalman, RLS; nonlinear - DFE).

12. Iterative joint synchronization/equalization and detection.

13. Synchronization and equalization for spatial diversity systems.

14. Active interference cancellation, multiuser detection.

Osnova cvičení:

1. Alternative methods of data detection and their relation to channel nuisance parameters

2. Parameter estimation and optimal filtration algorithms

3. Equivalent model of feed-back system

4. Linear and nonlinear analysis of feed-back system

5. Design of carrier synchronizer

6. Design of symbol timing synchronizer

7. Design of linear equalizer

Cíle studia:

Studijní materiály:

1. Meyr, H., Moeneclaey, M., Fechtel, S. A.: Digital Communication Receivers-Synchronization, Channel Estimation and Signal Processing. John Wiley. 1998

2. Mengali, U., D'Andrea, A. N.: Synchronization Techniques for Digital Receivers. Plenum Press. 1997

3. Proakis, J.G.: Digital Communications. McGraw-Hill. 1995

4. Benedetto, S., Biglieri, E., Castellani, V.: Digital Transmission Theory. Prentice-Hall. 1987

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