Call Admission Control under a Probabilistic Bandwidth Reservation Policy and Handover Queueing in Mobile Hotspots

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Call Admission Control under a Probabilistic Bandwidth Reservation Policy and Handover Queueing in Mobile Hotspots

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  • July 1, 2022
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Marinos Vlasakis, Irene Keramidi, Ioannis Moscholios, Panagiotis Sarigiannidis: Call Admission Control under a Probabilistic Bandwidth Reservation Policy and Handover Queueing in Mobile Hotspots. 2022, ISBN: 978-1-6654-1044-1.

Abstract

In this paper we study a mobility-aware call admission control algorithm in a mobile hotspot. More specifically, we consider a vehicle which has an access point of a fixed capacity and may alternate between stop and moving phases. In the stop phase, the vehicle services new and handover calls. To prioritize handover calls a probabilistic bandwidth reservation (BR) policy is considered where a fraction of the capacity is reserved for handover calls. Based on this policy, new calls may enter the reservation space with a predefined probability. In addition, handover calls have the option to wait in a queue of finite size if there are no available resources at the time of their arrival. In the moving phase, the vehicle services only new calls under the classical complete sharing policy. In both phases, calls arrive according to a Poisson process, require a single bandwidth unit for their acceptance in the system and have an exponentially distributed service time. To analytically determine the various performance measures such as call blocking probabilities an efficient iterative algorithm is proposed.

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@conference{inproceedingsc,
title = {Call Admission Control under a Probabilistic Bandwidth Reservation Policy and Handover Queueing in Mobile Hotspots},
author = {Marinos Vlasakis and Irene Keramidi and Ioannis Moscholios and Panagiotis Sarigiannidis},
url = {https://www.researchgate.net/publication/364234461_Call_Admission_Control_under_a_Probabilistic_Bandwidth_Reservation_Policy_and_Handover_Queueing_in_Mobile_Hotspots},
doi = {10.1109/CSNDSP54353.2022.9907974},
isbn = {978-1-6654-1044-1},
year  = {2022},
date = {2022-07-01},
pages = {263-268},
abstract = {In this paper we study a mobility-aware call admission control algorithm in a mobile hotspot. More specifically, we consider a vehicle which has an access point of a fixed capacity and may alternate between stop and moving phases. In the stop phase, the vehicle services new and handover calls. To prioritize handover calls a probabilistic bandwidth reservation (BR) policy is considered where a fraction of the capacity is reserved for handover calls. Based on this policy, new calls may enter the reservation space with a predefined probability. In addition, handover calls have the option to wait in a queue of finite size if there are no available resources at the time of their arrival. In the moving phase, the vehicle services only new calls under the classical complete sharing policy. In both phases, calls arrive according to a Poisson process, require a single bandwidth unit for their acceptance in the system and have an exponentially distributed service time. To analytically determine the various performance measures such as call blocking probabilities an efficient iterative algorithm is proposed.},
keywords = {admission, handover, hotspot, loss, mobility, queueing, Reservation},
pubstate = {published},
tppubtype = {conference}
}
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