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JOURNALS // Vestnik Udmurtskogo Universiteta. Matematika. Mekhanika. Komp'yuternye Nauki // Archive

Vestn. Udmurtsk. Univ. Mat. Mekh. Komp. Nauki, 2025 Volume 35, Issue 3, Pages 395–407 (Mi vuu932)

MATHEMATICS

Asymptotic-diffusion analysis of an infinite-linear queuing system with negative calls and a recovery unit for distorted positive ones

A. A. Nazarov, Ya. E. Izmailova, A. T. Isaev

Tomsk State University, pr. Lenina, 36, Tomsk, 634050, Russia

Abstract: In this paper, we consider an infinite-linear queuing system with positive and negative calls and a recovery unit for distorted positive ones. The main research method is the method of asymptotic diffusion analysis, which consists in constructing a diffusion approximation of the probability distribution of the number of calls in the recovery block. One-dimensional probability distributions of the number of calls in the service block and the number of calls in the recovery block are obtained. The simulation model of the queuing system functioning is built. The field of applicability of the obtained asymptotic results has been established.

Keywords: queueing system, negative calls, recovery unit, asymptotic-diffusion analysis, simulation modeling

UDC: 519.872

MSC: 60K25, 41A60

Received: 16.06.2025
Accepted: 14.09.2025

DOI: 10.35634/vm250303



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