Wireless transmission systems IS-FEE-10019

Understanding of design of radio channels with different frequency band, understanding of mathematical bases and design of multiport radio complexes and different wireless transmission systems.
Radio channels with different frequency band. Radio wave propagation in free space. Equation of radiocommunication. Propagation of earth waves, troposphere radio links. Propagation of ionosphere waves, of long and medium waves. Propagation of HF and UHF waves. Microwave propagation models (Lee, Okumura, Hata, COST – Hata, Walfish, NLOS1-2, LOS).
Mathematical foundations of design of multiport radio complexes. Properties of complex matrices, eigenvalues and eigenvectors. Scattering matrix of multiport network. Maximization of input power of multiport network, Rayleigh ratio. Cascade connection of the multiports. Power parameters of broadband transmit-receive complexes. Multiport transmit-receive complexes WTS. Base elements of the transmit-receive complexes. Transmit multiport radio complexes. Receive adaptive antenna arrays, smart antenna arrays. Examples of WTS. Wireless communication systems (paging systems, wireless telephony, trunking systems, and cell telephony systems, UMTS). Satellite radiocommunication systems (satellite radio link, types of orbits, systems INMARSAT, GLOBALSTAR).
Requirements:
Students should have basic knowledge in the field of mathematics, electrical physics, circuit theory, digital and analog electronics, fundamentals of computer science. The general requirement is that student has studied engineering for at least 2 years. In some cases prerequisites are defined.