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Introduction to mobile communication systems; models for mobile radio channels: path loss models, slow fading (shadowing), fast fading channel, frequency and time selective channels, delay and Doppler spread, multipath propagation. Derivation of error probabilities due to fading and noise; equalization for mobile communication systems: maximum ratio combining, zero-forcing, MMSE equalizer, Viterbi algorithm; channel and noise estimation. The physical layer of the existing UMTS and its successor LTE, associated with an introduction of CDM(A), OFDM(A), MIMO and scheduling techniques.