Queuing System with Unreliable Servers and Inhomogeneous Intensities for Analyzing the Impact of Non-Stationarity to Performance Measures of Wireless Network under Licensed Shared Access

Ekaterina Markova, Yacov Satin, Irina Kochetkova, Alexander Zeifman and Anna Sinitcina
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Ekaterina Markova: Applied Probability and Informatics Department, Peoples’ Friendship University of Russia (RUDN University), 6 Miklukho-Maklaya St, 117198 Moscow, Russia
Yacov Satin: Department of Mathematics, Vologda State University, Lenina 15, 160000 Vologda, Russia
Irina Kochetkova: Applied Probability and Informatics Department, Peoples’ Friendship University of Russia (RUDN University), 6 Miklukho-Maklaya St, 117198 Moscow, Russia
Alexander Zeifman: Department of Mathematics, Vologda State University, Lenina 15, 160000 Vologda, Russia
Anna Sinitcina: Department of Mathematics, Vologda State University, Lenina 15, 160000 Vologda, Russia

Mathematics, 2020, vol. 8, issue 5, 1-13

Abstract: Given the limited frequency band resources and increasing volume of data traffic in modern multiservice networks, finding new and more efficient radio resource management (RRM) mechanisms is becoming indispensable. One of the implemented technologies to solve this problem is the licensed shared access (LSA) technology. LSA allows the spectrum that has been licensed to an owner, who has absolute priority on its utilization, to be used by other participants (i.e., tenants). Owner priority impacts negatively on the quality of service (QoS) by reducing the data bit rate and interrupting user services. In this paper, we propose a wireless multiservice network scheme model described as a queuing system with unreliable servers and a finite buffer within the LSA framework. The aim of this work is to analyze main system performance measures: blocking probability, average number of requests in queue, and average queue length depending on LSA frequencies’ availability.

Keywords: LSA; queuing system; service interruption; radio resources; performance measures (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2020
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