Communication Engineering

Basics Fundamentals ofin Ccommunication Eengineering:

Introduction to communication engineering
Overview: basic concepts, signals, time/frequency range.
Level calculation: definitions, signal-to-noise ratio, dynamics, level diagram.
Transmission disruptions: disruptions, distortions, noises.
Transmission of periodic signals:
System performance: complex functions, pointers, transmission function.
Diagrams: lLocus curves, amplitude and phase response, bode diagram.
Fourier series: complex/real coefficient, discrete spectrum.
Linear distortion: aAmplitude frequency response, phase and duration.
Non-linear distortions: harmonic waves, non-linear effects with characteristic curves.
Signals and systems:
Elementary signals: characteristics and operations.
LTI system: folding, impulse and step response.
Fourier transformation: spectrum, correspondences, transmission function.
Laplace transformation: complex frequency, correspondences, initial values, transmission function, poles, zeroing.
Ideal systems: ideal filter, non-causally system reactions, approximations.
Components in communication engineering:
Lines: model, parameter, waves, attenuation, reflections.
Quadrupole: elemental quadrupoles, matrices, linkage, operational behaviour.
Linear filters: tolerance scheme, low-pass types, realisations, design.

Fundamentals of Transmission Technology:

Transmission theory and system models:
Channel capacity, information cuboid, entropy, redundance, irrelevance, mutual information, sink-oriented source coding
Transmission methods: baseband, transposed
Transmission media: specifications, application example, application areas
CU lines: transmission characteristics, wiring of applications, network structures, transmission methods
Glass fibre: attenuation and impulse limited systems, transmission methods and multiplex technology
Optical transmitter: impulse behaviour, spectral width
Optical receiver: impulse behaviour, responsivity
Fibre optic connectors: refractive index profile, numerical aperture. Coupling attenuation, modal and spectral dispersion. Repeater, regenerator (digipeater). Special measurement methods, optometer, impulse, reflectometer.
Free space waves: system overview and link budget
Technical specifications
Transmitter, receiver, antenna.
Functions of transmitter and receiver.
Wave propagation – frequency ranges and characteristics.
Ground wave propagation.
Quasi optical wave propagation. Ionospheric wave propagation.
Examples: DECI radio-relay technology, satellite transponder.