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Using the theories of fuzzy sets for researching the processes of diagnostics of data communication networks

Omonov Ibratbek

Diagnostyka

2023

Vol. 24, No. 2

art. no. 2023202

The article deals with the application of the queuing theory apparatus for analysing the diagnostic processes of data transmission networks (DTN). It is shown that with an increase in the complexity of DTN and existing tools and algorithms for their diagnostics, it seems expedient to create automated diagnostics systems that take into account the disadvantages and advantages of existing network diagnostics methods. The existing analytical methods (in the capacity of which probabilistic methods of the queuing theory are used) and statistical (methods of simulation modelling) are presented. In terms of the queuing system, the analysis of the closed, open (QS) is carried out and their characteristics are determined. The analysis of the statistical method for modelling the diagnostic system in the GPSS World environment is carried out. Models of the DTN diagnostics system are considered from the point of view of closed and open queuing systems. For analytical models of DTN diagnostic systems, the possibility of using the QS is considered, as a result of which the general structure of the main elements and procedures for the functioning of the diagnostic system are determined. The analysis of the possibilities of using the queuing theory made it possible to determine the analytical regularities for the model of diagnostic systems. The creation of automated diagnostic systems based on a queuing system provides a deep and accurate analysis of the characteristics of diagnostics and, therefore, is a promising direction in the development of systems for the technical operation and maintenance of DTN.

Implementacja usług CPDLC (Controller Pilot Data Link Communications) w polskiej przestrzeni powietrznej

Kocot B.

Przegląd Telekomunikacyjny + Wiadomości Telekomunikacyjne

2017

nr 7

620--626

Omówiono obecnie implementowane usługi łącza danych na potrzeby zarządzania ogólnym ruchem lotniczym w polskiej przestrzeni powietrznej oraz przedstawiono architekturę krajowego systemu, który będzie umożliwiał wykorzystywanie tych usług.

This paper discusses the currently implemented data link services for the needs of managing the general air traffic in the polish airspace and presents the architecture of the national system which will enable the use of these services.