Fundamentals of Mobile Communications [FuMoCo]


Lecturer:
Prof. Dr.-Ing. Ralf Müller

Time:
Monday 10:15-11:45, Friday 14:15-15:45

Place:
Monday H9, Friday 14:15-15:45 H15

ECTS-Credits:
5 credits

Language:
English


Tutorial:
Time and place: Friday 12:15-13:45, H7

Prerequisites:
Theory of linear systems and signals (in particular Fourier transform), basics of digital (linear) modulation schemes (PSK, QAM) and corresponding pulse shapes (square-root cosine pulses), probability theory, basics of stochastic processes, in particular Gaussian processes. These topics are presented in the lectures "Communications" and "Signals and Systems".


Description:
Goal of the lecture is to convey the fundamentals for understanding of communication systems with mobile subscribers. The GSM standard is taken as realization example. The topics include the components of the radio transmission link like time-variant radio channel and the corresponding stochastic models, modulation and demodulation for digital transmission, channel equalization (maximum likelihood sequence estimation, Viterbi-algorithm), channel coding and decoding (convolutional codes).

Furthermore the fundamental diversity principles multiple access methods and interference effects in mobile radio systems will be treated.

The cellular concept and the methods to analyze the radio coverage and frequency efficiency of a cellular system will be presented. Taking GSM as an example further system aspects like handover, power-control, slow frequency hopping, time synchronization and the network topology are considered.

Literature:
Koch, W.: Script Fundamentals of Mobile Communications.
Rappaport, T.: Wireless Communications: Principles and Practice, IEEE, 1995.
Steele, R.: Mobile Radio Communications, Pentech Press, London, 1992.
Lee, W.C.Y.: Mobile Communications Design Fundamentals, 2. ed., John Wiley & Sons, New York, 1993.