Table of contents 1. Mobile Communications: Evolution and Fundamentals. Speech Coding for Wireless Systems Applications. Speech Coding Techniques for Audio and Voice. American and European Speech Codes. Radio Propagation and Cellular Engineering Concepts.
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THEORY Description: Course aim is to give the basics of digital signals transmission and to describe the modern digital communication systems. In the theoretical course part the theory of digital signal transmission is presented and the techniques of converting an analog signal to digital as well as the techniques of digital modulation and transmission are analyzed.
For the more complete comprehension of all subject from point of view of students, in the laboratorial course part, simulation of basic digital communication systems with the use of suitable simulation parcels is attempted. The basic principles of signals theory and the basic mathematic background that is used in the study of digital communications systems Analysis Fourier, probability theory, theory of sampling and coding, linear systems are given.
Basic principles of designing digital communication systems. Elements of digital communication systems, factors affecting digital communication systems design and performance, fundamental principles and technological restrictions in the methods of digital data transmission.
Signaling principles. Baseband signaling, Binary and M-ary signaling. The effect of noise and finite bandwidth are analyzed, and the maximum channel capacity is described. The problem of intersymbol interference and the use of and Nyquist and are presented too. Noise and interference in digital communication systems. Sources and consequences of noise and interference effect in digital signal transmission parameters. Ways of confrontation of relative problems.
Basic techniques of digital modulation. Modulation techniques and coherent and nocoherent demodulation techniques are analyzed. Timing and carrier recovery circuits are presented. Rectangular modulation schemes. Vector chart, eye and constellation diagrams, noise effects. LABORATORY During the series of laboratorial exercises the student: Will be familiarized with the use and the planning of suitable simulation parcels Python, Matlab for the study of digital communication systems, Will develop algorithms for solution of problems of digital modulation.
The students will undertake in teams the two or three individuals the study, implementation and presentation of small scale of work that is related to subjects of digital communications. Simon, S. Hinedi, W. Ziemer R. Peterson "Introduction to Digital Communication", 2nd ed. Prentice Hall Proakis M. Cavallo, R.
Setola, F. Feher, "Wireless Digital Communications. Loukrezi, "Subjects of digital communication ", Publications Gutenberg, Athens Syrkou, "Digital signal prosessing ", 2nd Edition, Athens
Wireless Digital Communications
Most modern digital communications techniques required for the comprehension, analysis, design, and maintenance of digital wireless systems are described in this book. I do not know of another book of comparable scope and depth in the wireless digital communications field. Industry Standards for Propagation Models. Fundamental and practical definitions of spectral and power efficiency, as well as specifications, are presented. Modem Principles and Architectures. Personal Satellite Communications Programs.
Wireless digital communications : modulation and spread spectrum applications
Wireless Digital Communications : Modulation and Spread Spectrum Applications