Information technologies and computer sciences

Research of the Wireless Centralized Network Cluster with the Implementation of Infocommunication Interaction Sessions in Institutions in the Virtual Segments

Authors

O. M. Danylchuk
Vasyl’ Stus Donetsk National University
V. V. Kovtun
Vinnytsia National Technical University ROR
O. D. Nykytenko
Vinnytsia National Technical University ROR
Yu. Yu. Nestiuk
Vinnytsia National Technical University ROR
V. V. Prysiazhniuk
Vinnytsia National Technical University ROR
DOI https://doi.org/10.31649/1997-9266-2022-161-2-68-80

Keywords

centralized network cluster infocommunication interaction session virtual segment mathematical model of accessibility resource allocation management service

Abstract

The growing trend of information traffic in centralized wireless communication systems clearly proves the need for the evolution of generations of mobile communications, in particular, the transition from 4G to 5G. According to the specification, the latter should be implemented flexible services for traffic management, improving the efficiency of which is an urgent task. The article presents a mathematical model of the process of functioning of a wireless centralized network cluster, sessions of infocommunication interaction in which are implemented in independent virtual segments of the information space of the base station. The researched process is described by the Markov queuing system, the inputs of the conveyors of which are coordinated with the independent flows of incoming requests from the end devices. It is taken into account that for the maintenance of each such flow in the information environment of the base station is reserved the appropriate amount of system resources - the so-called virtual segment, the weight of which depends on the priority of the corresponding flow. The distribution of a single amount of system resources of the base station between the weighted virtual segments is carried out by a specialized management service dynamically. Within the framework of the proposed mathematical apparatus, an algorithm for forced termination of an active session of infocommunication interaction in an overloaded virtual segment and a service for managing the distribution of released system resources between the rest of virtual segments taking into account the degree of their overload. The simulation results showed that the functional mechanism of forced termination of infocommunication sessions and the system resource allocation service proposed by the authors allow the 5G base station to continue accepting new incoming requests despite the congestion of individual virtual network segments. Experiments have shown that the proposed software tools are effectively adapted to the available publicly available volume of system resources and the way to allocate within it the guaranteed amount of system resources for individual virtual network segments.

509 186

How to Cite

[1]
“Research of the Wireless Centralized Network Cluster with the Implementation of Infocommunication Interaction Sessions in Institutions in the Virtual Segments”, Вісник ВПІ, no. 2, pp. 68–80, Apr. 2022, doi: 10.31649/1997-9266-2022-161-2-68-80.

Author Biographies

O. M. Danylchuk, Vasyl’ Stus Donetsk National University

Cand. Sc. (Еduc), Associate Professor, Associate Professor of the Chair of Applied Mathematics

V. V. Kovtun, Vinnytsia National Technical University

Dr. Sc. (Eng.), Associate Professor, Professor of the Chair of Computer Control Systems

O. D. Nykytenko, Vinnytsia National Technical University

Cand. Sc. (Eng.), Associate Professor, Associate Professor of the Chair of Computer Control Systems

Yu. Yu. Nestiuk, Vinnytsia National Technical University

Student of the Department of Intelligent Information Technology and Automation

V. V. Prysiazhniuk, Vinnytsia National Technical University

Senior Lecturer of the Chair of Metrology and Industrial Automation

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