Diffusion Limit for Single-Server Retrial Queues with Renewal Input and Outgoing Calls

This paper studies a single-server retrial queue with two types of calls (incoming and outgoing calls). Incoming calls arrive at the server according to a renewal process, and outgoing calls of <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline&q...

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Main Authors: Anatoly Nazarov, Tuan Phung-Duc, Svetlana Paul, Olga Lizyura
Format: Article
Language:English
Published: MDPI AG 2022-03-01
Series:Mathematics
Subjects:
Online Access:https://www.mdpi.com/2227-7390/10/6/948
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author Anatoly Nazarov
Tuan Phung-Duc
Svetlana Paul
Olga Lizyura
author_facet Anatoly Nazarov
Tuan Phung-Duc
Svetlana Paul
Olga Lizyura
author_sort Anatoly Nazarov
collection DOAJ
description This paper studies a single-server retrial queue with two types of calls (incoming and outgoing calls). Incoming calls arrive at the server according to a renewal process, and outgoing calls of <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>N</mi><mo>−</mo><mn>1</mn></mrow></semantics></math></inline-formula> (<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>N</mi><mo>≥</mo><mn>2</mn></mrow></semantics></math></inline-formula>) categories occur according to <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>N</mi><mo>−</mo><mn>1</mn></mrow></semantics></math></inline-formula> independent Poisson processes. Upon arrival, if the server is occupied, an incoming call joins a virtual infinite queue called the orbit, and after an exponentially distributed time in orbit enters the server again, while outgoing calls are lost if the server is busy at the time of their arrivals. Although M/G/1 retrial queues and their variants are extensively studied in the literature, the GI/M/1 retrial queues are less studied due to their complexity. This paper aims to obtain a diffusion limit for the number of calls in orbit when the retrial rate is extremely low. Based on the diffusion limit, we built an approximation to the distribution of the number of calls in orbit.
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spelling doaj.art-773c586c7dd1492e97fa0b2d1a6e484a2023-11-30T21:24:31ZengMDPI AGMathematics2227-73902022-03-0110694810.3390/math10060948Diffusion Limit for Single-Server Retrial Queues with Renewal Input and Outgoing CallsAnatoly Nazarov0Tuan Phung-Duc1Svetlana Paul2Olga Lizyura3Institute of Applied Mathematics and Computer Science, National Research Tomsk State University, 36 Lenina Ave., 634050 Tomsk, RussiaDepartment of Policy and Planning Sciences, Faculty of Engineering, Information and Systems, University of Tsukuba, 1-1-1 Tennodai, Tsukuba 305-8573, Ibaraki, JapanInstitute of Applied Mathematics and Computer Science, National Research Tomsk State University, 36 Lenina Ave., 634050 Tomsk, RussiaInstitute of Applied Mathematics and Computer Science, National Research Tomsk State University, 36 Lenina Ave., 634050 Tomsk, RussiaThis paper studies a single-server retrial queue with two types of calls (incoming and outgoing calls). Incoming calls arrive at the server according to a renewal process, and outgoing calls of <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>N</mi><mo>−</mo><mn>1</mn></mrow></semantics></math></inline-formula> (<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>N</mi><mo>≥</mo><mn>2</mn></mrow></semantics></math></inline-formula>) categories occur according to <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>N</mi><mo>−</mo><mn>1</mn></mrow></semantics></math></inline-formula> independent Poisson processes. Upon arrival, if the server is occupied, an incoming call joins a virtual infinite queue called the orbit, and after an exponentially distributed time in orbit enters the server again, while outgoing calls are lost if the server is busy at the time of their arrivals. Although M/G/1 retrial queues and their variants are extensively studied in the literature, the GI/M/1 retrial queues are less studied due to their complexity. This paper aims to obtain a diffusion limit for the number of calls in orbit when the retrial rate is extremely low. Based on the diffusion limit, we built an approximation to the distribution of the number of calls in orbit.https://www.mdpi.com/2227-7390/10/6/948retrial queuetwo-way communicationrenewal processdiffusion approximationincoming calloutgoing call
spellingShingle Anatoly Nazarov
Tuan Phung-Duc
Svetlana Paul
Olga Lizyura
Diffusion Limit for Single-Server Retrial Queues with Renewal Input and Outgoing Calls
Mathematics
retrial queue
two-way communication
renewal process
diffusion approximation
incoming call
outgoing call
title Diffusion Limit for Single-Server Retrial Queues with Renewal Input and Outgoing Calls
title_full Diffusion Limit for Single-Server Retrial Queues with Renewal Input and Outgoing Calls
title_fullStr Diffusion Limit for Single-Server Retrial Queues with Renewal Input and Outgoing Calls
title_full_unstemmed Diffusion Limit for Single-Server Retrial Queues with Renewal Input and Outgoing Calls
title_short Diffusion Limit for Single-Server Retrial Queues with Renewal Input and Outgoing Calls
title_sort diffusion limit for single server retrial queues with renewal input and outgoing calls
topic retrial queue
two-way communication
renewal process
diffusion approximation
incoming call
outgoing call
url https://www.mdpi.com/2227-7390/10/6/948
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AT tuanphungduc diffusionlimitforsingleserverretrialqueueswithrenewalinputandoutgoingcalls
AT svetlanapaul diffusionlimitforsingleserverretrialqueueswithrenewalinputandoutgoingcalls
AT olgalizyura diffusionlimitforsingleserverretrialqueueswithrenewalinputandoutgoingcalls