The thesis presents the elements and technologies that participate in transmission of signals to the end users. The essence of the thesis are satellite communications, that is, the transmission of satellite radio and television signals to the users’ homes. Today, we mainly use DVB-S2 technology for transmission, as DVB-S technology is slowly abandoning. DVB-S2X technology, which is currently not being used so often, is under development. Any technology that is more modern enables better picture and sound quality.
Every operator wants to transmit their programs via satellite to the end users all day long in a smooth way, but this is virtually impossible. The problems that arise are often the result of influences in the atmosphere itself, such as rain, clouds, fog, etc. Operator, as well as user do not want this, but unfortunately, it is unavoidable.
The purpose of the thesis is to examine how theory matches practice, since the theory accurately describes what happens with the signal in clear and rainy weather. In the last year, I was employed by AVS Gorjup. There, I gained new knowledge and experience that I used to write my thesis. Since there are very few concrete examples on transmission of satellite radio and television signals to the end user in worse weather conditions, I decided to explore this field in the thesis. For years, I have been looking for specific examples on the Internet and in other sources, but I have not found them to this day, so I showed them in the task and proved that the theory holds. By comparing the measurements in all weather conditions, end-users can actually also graphically read the differences in the received signal, and thus they can easily imagine why interruptions of picture and sound in a television screen or radio receiver occur.
The aim of the thesis is to verify all the chosen theory and to measure the accepted satellite signals in order to investigate whether all the theory holds true about the various weather phenomena in the atmosphere that influence the transmission of the signal. In the graduation thesis, I want to present the differences between the received signals in different weather conditions.